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==SUMMARY==
==SUMMARY==
REPORT DETAILED CONTROL ROOM DESIGN REVIEW OF THE PLANT ST.'LUCIE UNIT 1 NUCLEAR POWER STATION DOCKET 50-335 PREPARED BY: FLORIDA POWER AND LIGHT COMPANY OCTOBER 1983 (831 1~~()g()()@gag PDR ADOCK Pgg p~i0@lNNH QPR (tn n 4~<<'v TABLE OF CONTENTS 1.0 METHODOLOG Y PAGE 1.1 1.2 1.3 1.4 1.5 Overview Review Procedures Document and Document Control Technical Approach Assessment and Implementation 1 4 8 15 15 2.0 FINDINGS/RESULTS 20 2.1 2.2 2.3 2.4 Equipment Inventory Operator Interviews/Operating Experience Reviews Surveys 2.3.1 Noise 2.3.2 Lighting.2.3.3 Environment
REPORT DETAILED CONTROL ROOM DESIGN REVIEW OF THE PLANT ST.'LUCIE UNIT 1 NUCLEAR POWER STATION DOCKET 50-335 PREPARED BY: FLORIDA POWER AND LIGHT COMPANY OCTOBER 1983 (831 1~~()g()()@gag PDR ADOCK Pgg p~i0@lNNH QPR (tn n 4~<<'v TABLE OF CONTENTS 1.0 METHODOLOG Y PAGE 1.1 1.2 1.3 1.4 1.5 Overview Review Procedures Document and Document Control Technical Approach Assessment and Implementation 1 4 8 15 15 2.0 FINDINGS/RESULTS 20 2.1 2.2 2.3 2.4 Equipment Inventory Operator Interviews/Operating Experience Reviews Surveys 2.3.1 Noise 2.3.2 Lighting.2.3.3 Environment 2.3.4 Controls and Displays 2.3.5 Conventions 2.3.6 Process Computer 2.3.7 Emergency Garments 2.3.8 Labels 2.3.9 Annunciators 2.3.10 Anthropometry 2.3.11 Force/Torque 2.3.12 Communications 2.3.13 Maintainability System Function and Task Analysis 2.4.1 Identify/Review Systems, Functions, and Tasks 2.4.2 Analyze Tasks 2.4.3 Verify Task Performance Capability/Human Engineering Suitability 2.4.4 Validate Control Room Functions 2.4.5 Results/Findings 20 23 43 44 48 52 57 66 69 76 81 89 92 111 113 117 123 123 125 126 128 129 3.0 IMPLEMENTATION 132 3.1 Develop Backfit Schedules 3.1.1 Phase 3-Enhancement and and Design Solutions 3.1.2.Analysis of Correction by Enhancement
 
~3.1.3.Analysis of Correction by Design Alternative 3.1.4.Extent of Correction 132 132 132 133 133 t'r~fr,)<A"'C~ll t'pga f'1 6L I'l Q'1 L h (l k'QP~eiiAQ g)i, fl I s aJ)I f54 Qe<<h z aa P i)C g$fN()Q$)f)~tt.4g''L s r c>>C TABLE OF CONTENTS 3.2 3.3 3.4 3.5 Human Engineering Backfit Program 3.2.1 Labeling 3.2.2 Demarcation 3.2.3 Annunciator Review 3.2.4 Coding Convention 3.2.5 Engineering Intergration Review 3.2.6 Administrative and Training Written Justification/No Corrective Action Intended 3.3.1 Low Error Assessment 3.3.2 Invalid Findings Completed Backfits 3.4.1 Completed Enhancements/Design Solutions 3.4.2 Scheduled Completion dates for Standarized Backfit Solutions Implementation Program Tracking System 3.5.1 Inventory Control 3.5.2 Status Updates 3.5.3 Open Item List Development 3.5.4 Project History 3.5.5 Program Index and Listing PAGE 138 138 140 141 142 143 150 152 152 239 248 248 250 251 251 251 251 252 252 APPENDIX 1 Computer Output of All Human Engineering Deficiencies APPENDIX A Checklist of NUREG-0700 Criteria Used For the St.Lucie Unit 1 DCRDR I 4~pic'",0 t.'lf:: L't l.c.ac 9-'.rI~(~,;I I'I 11 II~1't.t gc I~4 e~I J ,~ci I 5(, (II~V','.//J~.E.''~~
====2.3.4 Controls====
1.0 METHODOLOGY 1.1 Overview This report has been prepared in response to NUREG-0737 item 1.D.1 and details the means by which a Detailed Control Room Design Review was conducted for the St.Lucie, Unit 1 Nuclear Power Plant owned and operated by the Florida Power R Light Company.The review was conducted using NUREGs-0700 and-0801, and spanned the period from July 1981 to July 1983.The review was conducted in four phases, as follows: o Preparation of a review planning document which discusses Review methodologies Review documentation Status, personnel qualifications;and project organization Assessment and prioritization of discrepancies Reporting (findings, assessment, and schedules).
and Displays 2.3.5 Conventions
 
====2.3.6 Process====
Computer 2.3.7 Emergency Garments 2.3.8 Labels 2.3.9 Annunciators 2.3.10 Anthropometry 2.3.11 Force/Torque 2.3.12 Communications 2.3.13 Maintainability System Function and Task Analysis 2.4.1 Identify/Review Systems, Functions, and Tasks 2.4.2 Analyze Tasks 2.4.3 Verify Task Performance Capability/Human Engineering Suitability
 
====2.4.4 Validate====
Control Room Functions 2.4.5 Results/Findings 20 23 43 44 48 52 57 66 69 76 81 89 92 111 113 117 123 123 125 126 128 129 3.0 IMPLEMENTATION 132 3.1 Develop Backfit Schedules 3.1.1 Phase 3-Enhancement and and Design Solutions 3.1.2.Analysis of Correction by Enhancement
~3.1.3.Analysis of Correction by Design Alternative 3.1.4.Extent of Correction 132 132 132 133 133 t'r~fr,)<A"'C~ll t'pga f'1 6L I'l Q'1 L h (l k'QP~eiiAQ g)i, fl I s aJ)I f54 Qe<<h z aa P i)C g$fN()Q$)f)~tt.4g''L s r c>>C TABLE OF CONTENTS 3.2 3.3 3.4 3.5 Human Engineering Backfit Program 3.2.1 Labeling 3.2.2 Demarcation
 
====3.2.3 Annunciator====
Review 3.2.4 Coding Convention
 
====3.2.5 Engineering====
Intergration Review 3.2.6 Administrative and Training Written Justification/No Corrective Action Intended 3.3.1 Low Error Assessment
 
====3.3.2 Invalid====
Findings Completed Backfits 3.4.1 Completed Enhancements/Design Solutions 3.4.2 Scheduled Completion dates for Standarized Backfit Solutions Implementation Program Tracking System 3.5.1 Inventory Control 3.5.2 Status Updates 3.5.3 Open Item List Development
 
====3.5.4 Project====
History 3.5.5 Program Index and Listing PAGE 138 138 140 141 142 143 150 152 152 239 248 248 250 251 251 251 251 252 252 APPENDIX 1 Computer Output of All Human Engineering Deficiencies APPENDIX A Checklist of NUREG-0700 Criteria Used For the St.Lucie Unit 1 DCRDR I 4~pic'",0 t.'lf:: L't l.c.ac 9-'.rI~(~,;I I'I 11 II~1't.t gc I~4 e~I J ,~ci I 5(, (II~V','.//J~.E.''~~  
 
==1.0 METHODOLOGY==
 
===1.1 Overview===
This report has been prepared in response to NUREG-0737 item 1.D.1 and details the means by which a Detailed Control Room Design Review was conducted for the St.Lucie, Unit 1 Nuclear Power Plant owned and operated by the Florida Power R Light Company.The review was conducted using NUREGs-0700 and-0801, and spanned the period from July 1981 to July 1983.The review was conducted in four phases, as follows: o Preparation of a review planning document which discusses Review methodologies Review documentation Status, personnel qualifications;and project organization Assessment and prioritization of discrepancies Reporting (findings, assessment, and schedules).
Phase 2-Control Room Review.This represents the period in which data'<<'ollection, reduction, and analysis was conducted, resulting in Human'ngineering Discrepancy reports and draft reports.Phase 3-Enhancement R Desi n Solutions.
Phase 2-Control Room Review.This represents the period in which data'<<'ollection, reduction, and analysis was conducted, resulting in Human'ngineering Discrepancy reports and draft reports.Phase 3-Enhancement R Desi n Solutions.
Human Engineering Discrepancies were collated, alternate enhancements and design solutions were gene-.-'ated, and the results were considered in trade-offs.
Human Engineering Discrepancies were collated, alternate enhancements and design solutions were gene-.-'ated, and the results were considered in trade-offs.
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.review of operating experience assembly of control room documentation system/function/task analysis conduct of control room surveys verification of task performance capability validation of control room functions 4~l>q h~dt I I''., (\IVhv 4IV IP~~I~~V hV C'.'I"r~'~hr~\~~~'h r~~I IV n.rI1r f.~'l f.v 4 r~r fm U 4 4~C~~I I 4~VI~IvrV I I y'I 4 VI VI<<II fr~VI A 4=.d4~I I\4 fh 4 r+h" t'4 PHASE II CR AEVIEW PHASE III ASSESSMENT AND DESIGN SOLUTIONS PHASE IV REPORTING REVIEW.OPERATING EXPEAIENCE SYSTEM FUNCTIONS AND TASK ANALYSIS VEAIFY TASK PERFOR-MANCE CAPABILITY DEVELOP FINAL REPORT DEVELOP PROGRAM PLAN ASSESS DISCRE-PANCIES ANALYZE AND SELECT CORRECTIVE ACTION ASSEMBLE CONTROL ROOM DOCUMEN.TATION CONDUCT CONTROL ROOM'UAVEYS VALIDATE CONTROL ROOM FUNCTIONS DEVELOP BACKFIT SCHEDULE.FlGURE-.2.'The:four.phases and.the task flowlrelationships of.the CR,review.
.review of operating experience assembly of control room documentation system/function/task analysis conduct of control room surveys verification of task performance capability validation of control room functions 4~l>q h~dt I I''., (\IVhv 4IV IP~~I~~V hV C'.'I"r~'~hr~\~~~'h r~~I IV n.rI1r f.~'l f.v 4 r~r fm U 4 4~C~~I I 4~VI~IvrV I I y'I 4 VI VI<<II fr~VI A 4=.d4~I I\4 fh 4 r+h" t'4 PHASE II CR AEVIEW PHASE III ASSESSMENT AND DESIGN SOLUTIONS PHASE IV REPORTING REVIEW.OPERATING EXPEAIENCE SYSTEM FUNCTIONS AND TASK ANALYSIS VEAIFY TASK PERFOR-MANCE CAPABILITY DEVELOP FINAL REPORT DEVELOP PROGRAM PLAN ASSESS DISCRE-PANCIES ANALYZE AND SELECT CORRECTIVE ACTION ASSEMBLE CONTROL ROOM DOCUMEN.TATION CONDUCT CONTROL ROOM'UAVEYS VALIDATE CONTROL ROOM FUNCTIONS DEVELOP BACKFIT SCHEDULE.FlGURE-.2.'The:four.phases and.the task flowlrelationships of.the CR,review.
r'k i'.s")r~>~~E S~L it$d L)C H 0 o Method of assessment of discrepancies o Method of identification and selection'of enhancement and design solutions o Review results of Human Engineering Discrepancie's, Human Engi-'eering Discrepancy Assessment, and the selected enhancement and design solutions will be organized into the following groups: survey findings (annunciator, communications, etc.)task analysis findings (panel/workspace) human factors engineering suitability and validation of functions'indings (control room traffic, workload distribution, and man/machine functional allocations) o Improvements to be made enhancements/justification/extent of correction design alternative/justification/extent of correction o Schedule of implementation.
r'k i'.s")r~>~~E S~L it$d L)C H 0 o Method of assessment of discrepancies o Method of identification and selection'of enhancement and design solutions o Review results of Human Engineering Discrepancie's, Human Engi-'eering Discrepancy Assessment, and the selected enhancement and design solutions will be organized into the following groups: survey findings (annunciator, communications, etc.)task analysis findings (panel/workspace) human factors engineering suitability and validation of functions'indings (control room traffic, workload distribution, and man/machine functional allocations) o Improvements to be made enhancements/justification/extent of correction design alternative/justification/extent of correction o Schedule of implementation.
I<<'P~tt.P 4 t, 4 Vs'L'C~~*s/I jt+I~ll I)~a v~I 1/q I\I, J tqsr.ii,s~e iW<p c>~~,~i~t~  
I<<'P~tt.P 4 t, 4 Vs'L'C~~*s/I jt+I~ll I)~a v~I 1/q I\I, J tqsr.ii,s~e iW<p c>~~,~i~t~
 
1.2 Review Procedures This section presents, in general terms, the review procedures employed.In Section 2.0, Findings, detailed descriptions of the procedures employed, and results of each, are presented.
===1.2 Review===
1.2.1 Phase 2-Control Room Review The Control Room Review phase was subdivided into six subtasks as follows: o Review of Operating Experience o Assemble Control Room Documentation o Review of System Functions and Task Analysis o Control Room Surveys o Verify Task Performance Capability o Validate Control Room Functions.
Procedures This section presents, in general terms, the review procedures employed.In Section 2.0, Findings, detailed descriptions of the procedures employed, and results of each, are presented.
 
====1.2.1 Phase====
2-Control Room Review The Control Room Review phase was subdivided into six subtasks as follows: o Review of Operating Experience o Assemble Control Room Documentation o Review of System Functions and Task Analysis o Control Room Surveys o Verify Task Performance Capability o Validate Control Room Functions.
1.2.1.1 Review of Operating Experience
1.2.1.1 Review of Operating Experience
-This task was composed of two subtasks: 1)conduct of operator interviews, and 2)review of plant operational experience through Licensee Event Reports, technical specification modifications, etc.This review task was conducted in accordance with the guidelines of NUREG-0700 published September 1981.1.2.1.2 Assemble Control Room Documentation
-This task was composed of two subtasks: 1)conduct of operator interviews, and 2)review of plant operational experience through Licensee Event Reports, technical specification modifications, etc.This review task was conducted in accordance with the guidelines of NUREG-0700 published September 1981.1.2.1.2 Assemble Control Room Documentation
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p 1.2.1.6 Validate Control Room Functions-This task involved analysis of workload and distribution of workload for operators for specific task and event sequences.
p 1.2.1.6 Validate Control Room Functions-This task involved analysis of workload and distribution of workload for operators for specific task and event sequences.
Overall control room traffic was also analyzed.The means of the analysis were task timelines and traffic analysis.Checklists were used to aid validation of control room functions.  
Overall control room traffic was also analyzed.The means of the analysis were task timelines and traffic analysis.Checklists were used to aid validation of control room functions.  
,*4 A]~~p I,I~r I~r l~~p  
,*4 A]~~p I,I~r I~r l~~p 1.3 Documentation and Document Control Three types of documehtation were addressed:
 
===1.3 Documentation===
and Document Control Three types of documehtation were addressed:
I)reference documentation, 2)process and Human Engineering Discrepancy documentation, and 3)Detailed Control Room Design Review output findings and reports.1.3.1 Reference Documentation A program library was established with reference documents to support the Detailed Control Room Design Review tasks.It contains: Final safety analysis reports Technical specifications and system descriptions Piping and Instrumentation Diagrams Floor plans Panel drawings and photographs Software descriptions Procedures Samples of computer printouts Various Nuclear Regulatory Commission and industry documents bearing on control room design (i.e., NUREGs-0700 and 0660, IEEE specifications and standards, human factors engineering texts, etc.).As required, this documentation was referenced to support specific tasks within the control room evaluations.
I)reference documentation, 2)process and Human Engineering Discrepancy documentation, and 3)Detailed Control Room Design Review output findings and reports.1.3.1 Reference Documentation A program library was established with reference documents to support the Detailed Control Room Design Review tasks.It contains: Final safety analysis reports Technical specifications and system descriptions Piping and Instrumentation Diagrams Floor plans Panel drawings and photographs Software descriptions Procedures Samples of computer printouts Various Nuclear Regulatory Commission and industry documents bearing on control room design (i.e., NUREGs-0700 and 0660, IEEE specifications and standards, human factors engineering texts, etc.).As required, this documentation was referenced to support specific tasks within the control room evaluations.
 
1.3.2 Process Documentation Data collection and reduction methods were documented for reporting purposes.The general flow of information management is presented in Figure 1-2.Task plans served as the basic process documentation.
====1.3.2 Process====
1.3.3 Guideline Human Engineering Discrepancy Documentation Data files for each Human Engineering Discrepancy were generated.
Documentation Data collection and reduction methods were documented for reporting purposes.The general flow of information management is presented in Figure 1-2.Task plans served as the basic process documentation.
 
====1.3.3 Guideline====
Human Engineering Discrepancy Documentation Data files for each Human Engineering Discrepancy were generated.
For each task requiring a report, file space was reserved for that report.Human Engineering Discrepancy information was stored in a computer file which contains the following information:
For each task requiring a report, file space was reserved for that report.Human Engineering Discrepancy information was stored in a computer file which contains the following information:
o Guideline number, which also serves as the Human Engineering Dis-crepancy number>o Human Engineering Discrepancy description  
o Guideline number, which also serves as the Human Engineering Dis-crepancy number>o Human Engineering Discrepancy description  
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The Human Engineering Discrepancies noted against a component are, where appropriate, listed on the bottom of the form by Human Engineering Discrepancy number (which corresponds to NUREG-0700 guideline number).The Component Level Human Engineering Discrepancy form used is presented in Figure 1-0.1.3.5 Task Reports For each survey, a separate report section has been generated detailing:
The Human Engineering Discrepancies noted against a component are, where appropriate, listed on the bottom of the form by Human Engineering Discrepancy number (which corresponds to NUREG-0700 guideline number).The Component Level Human Engineering Discrepancy form used is presented in Figure 1-0.1.3.5 Task Reports For each survey, a separate report section has been generated detailing:
o Objectives of the survey o Actual data collection and analysis methods employed o Criteria (guidelines) implemented o Summary of findings.In short, the process followed for each survey or evaluation, from inception to writing of Human Engineering Discrepancies, has been documented.
o Objectives of the survey o Actual data collection and analysis methods employed o Criteria (guidelines) implemented o Summary of findings.In short, the process followed for each survey or evaluation, from inception to writing of Human Engineering Discrepancies, has been documented.
 
1.3.6 Filing System The Detailed Control Room Design Review Filing System is structured as follows: o Human Engineering Discrepancies sequenced by file number 10 y~w~Ir FIGURE/-3 HUMAN ENGINEER!NG D!SCREPANCY REPORT NO: REVIEVfER NAME: a)HED TITLE: PLANT.UNIT'ATE:.b)ITEMS INVOI.VED:
====1.3.6 Filing====
System The Detailed Control Room Design Review Filing System is structured as follows: o Human Engineering Discrepancies sequenced by file number 10 y~w~Ir FIGURE/-3 HUMAN ENGINEER!NG D!SCREPANCY REPORT NO: REVIEVfER NAME: a)HED TITLE: PLANT.UNIT'ATE:.b)ITEMS INVOI.VED:
ITEM TYPE NOMENCLATURE LOCATION PHOTO NO.c)PROBLEM DESCRIPTION (GUIDELINES VIOLATED):
ITEM TYPE NOMENCLATURE LOCATION PHOTO NO.c)PROBLEM DESCRIPTION (GUIDELINES VIOLATED):
d)SPECIFIC OPERATOR ERROR(S)THAT COULD RESULT FROM HED:
d)SPECIFIC OPERATOR ERROR(S)THAT COULD RESULT FROM HED:
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o Component sheets filed by panel (e.g., RTGB 101, RTGB 102, etc.)and sequenced by location code o Task Analysis Volumes I and II-System Function and Part-Task Analysis Volume III-Functional Sequences, Traffic Analysis, Timelines, and V/orkload Estimations.
o Component sheets filed by panel (e.g., RTGB 101, RTGB 102, etc.)and sequenced by location code o Task Analysis Volumes I and II-System Function and Part-Task Analysis Volume III-Functional Sequences, Traffic Analysis, Timelines, and V/orkload Estimations.
o Checklists and data forms provided as Appendix A to this summary report.  
o Checklists and data forms provided as Appendix A to this summary report.
 
1.0 Technical Approach The technical approach employed is briefly introduced in this section.Detailed discussions of review methodologies ar'e presented'in Section 2.0, Findings, where text is provided which describes the activities.
===1.0 Technical===
Approach The technical approach employed is briefly introduced in this section.Detailed discussions of review methodologies ar'e presented'in Section 2.0, Findings, where text is provided which describes the activities.
for the following tasks: o Review of operating experience o Review of system functions and task analysis o Surveys noise lighting environment design conventions controls and displays computers emergency garments labeling annunciator s-anthropometrics force/torque communications maintainability o Verification of task performance capability o Validation of control room functions o Assessment of discrepancies.
for the following tasks: o Review of operating experience o Review of system functions and task analysis o Surveys noise lighting environment design conventions controls and displays computers emergency garments labeling annunciator s-anthropometrics force/torque communications maintainability o Verification of task performance capability o Validation of control room functions o Assessment of discrepancies.
Each survey report addresses:
Each survey report addresses:
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o Task Definition
o Task Definition
-Steps or procedures followed in the conduct of the task.o Outputs and Results-Task results.These are Human Engineering Discrepancies which may be drawn upon by subsequent tasks (e.g., Task Analysis).
-Steps or procedures followed in the conduct of the task.o Outputs and Results-Task results.These are Human Engineering Discrepancies which may be drawn upon by subsequent tasks (e.g., Task Analysis).
 
1.5 Assessment and Implementation Once a Human Engineering Discrepancy was identified, its disposition had to be determined.
===1.5 Assessment===
and Implementation Once a Human Engineering Discrepancy was identified, its disposition had to be determined.
This section of the summary report: 1)describes the means whereby Human Engineering Discrepancies were assessed for error-inducing potential and system conse-quences of induced errors, and 2)details the means by which Human Engineering Discrepancies will be disposed of (redesign, additional Gob Performance Aids, etc.)The 15 0 0 assessment portion, in essence, determines the scheduling of backfits as a function of the potential consequences of the Human Engineering Discrepancy.
This section of the summary report: 1)describes the means whereby Human Engineering Discrepancies were assessed for error-inducing potential and system conse-quences of induced errors, and 2)details the means by which Human Engineering Discrepancies will be disposed of (redesign, additional Gob Performance Aids, etc.)The 15 0 0 assessment portion, in essence, determines the scheduling of backfits as a function of the potential consequences of the Human Engineering Discrepancy.
The disposition portion determines the means by which a Human Engineering Discrepancy will be ameliorated.
The disposition portion determines the means by which a Human Engineering Discrepancy will be ameliorated.
Assessment is initially divorced from disposition in terms of selection of backfits;however, Human Engineering Discrepancy disposition may, in some instances, drive scheduling of backfits due to availability of materials, extent of engineering redesign, and so forth.Also, candidate backfits undergo assessment to ensure that human engineering discrepancies have been adequately addressed.
Assessment is initially divorced from disposition in terms of selection of backfits;however, Human Engineering Discrepancy disposition may, in some instances, drive scheduling of backfits due to availability of materials, extent of engineering redesign, and so forth.Also, candidate backfits undergo assessment to ensure that human engineering discrepancies have been adequately addressed.
 
1.5.1 Assessment The basic assessment process is divided into four steps, as follows: o Assess extent of deviation from NUREG-0700 guidelines o Assess Human Engineering Discrepancy impact on error occurrence o Assess potential consequences of error occurrence o Assign Human Engineering Discrepancy scheduling priority.A Human Engineering Discrepancy Assessment Form and a Logic Diagram are presented in Figure 1-5.1.5.1.1 Assess Extent of Deviation from NUREG-0700 Guidelines
====1.5.1 Assessment====
The basic assessment process is divided into four steps, as follows: o Assess extent of deviation from NUREG-0700 guidelines o Assess Human Engineering Discrepancy impact on error occurrence o Assess potential consequences of error occurrence o Assign Human Engineering Discrepancy scheduling priority.A Human Engineering Discrepancy Assessment Form and a Logic Diagram are presented in Figure 1-5.1.5.1.1 Assess Extent of Deviation from NUREG-0700 Guidelines
-This step required that a subjective assessment of the extent of discrepancy from NUREG-0700 guidelines be, made with regard to the control room.For example, symbol/background contrast might be 00 percent rather than 50 percent, or, only small amounts of parallax may exist in a display.A judgement was made based on the content of the guideline being applied and the.control room component under assessment.
-This step required that a subjective assessment of the extent of discrepancy from NUREG-0700 guidelines be, made with regard to the control room.For example, symbol/background contrast might be 00 percent rather than 50 percent, or, only small amounts of parallax may exist in a display.A judgement was made based on the content of the guideline being applied and the.control room component under assessment.
Extent of deviation was subjectively scaled from"1" (some deviation) to"5" (complete deviation).
Extent of deviation was subjectively scaled from"1" (some deviation) to"5" (complete deviation).
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~IG 2$i 5 2.SAFETY FUNCTION?NO NON SAFETY RELATED, REOUIRKD TO MITIGATE CONSEOUKNCKS OF AN ACCIDENT NO S.CONSEOUENCKS OF ERROR OCCURENCK e A UNSAFE OPERATION L VIOLATION OF TECH.SPECS.YES NO NO 1.DEV f 0?NO FILE HED YES 2.ERROR NO ASSESSMENT 2?CATEGORY III HED TA YES TA e CATEGORY II~C HED TECH SPEC VIOLATED OR UNSAFE OPERATION YES S.SAFETY NO FUNCTION OR OBJECTIVE?
~IG 2$i 5 2.SAFETY FUNCTION?NO NON SAFETY RELATED, REOUIRKD TO MITIGATE CONSEOUKNCKS OF AN ACCIDENT NO S.CONSEOUENCKS OF ERROR OCCURENCK e A UNSAFE OPERATION L VIOLATION OF TECH.SPECS.YES NO NO 1.DEV f 0?NO FILE HED YES 2.ERROR NO ASSESSMENT 2?CATEGORY III HED TA YES TA e CATEGORY II~C HED TECH SPEC VIOLATED OR UNSAFE OPERATION YES S.SAFETY NO FUNCTION OR OBJECTIVE?
TECH SPEC VIOLATED OR CATEGORY II,C UNSAFE HED OPERATION%
TECH SPEC VIOLATED OR CATEGORY II,C UNSAFE HED OPERATION%
YES CATEGORY II A HED 19 YES CATEGORY II B HED  
YES CATEGORY II A HED 19 YES CATEGORY II B HED 2.0 FINDINGS This section presents results and findings of the Detailed Control Room Design Review.Section 2.1 discusses the Equipment Inventory.
 
===2.0 FINDINGS===
This section presents results and findings of the Detailed Control Room Design Review.Section 2.1 discusses the Equipment Inventory.
Section 2.2 presents findings for the Operating Experience Review.Section 2.3 presents findings and results of the Control/Room Surveys.Finally, Section 2.0 discusses the System Functions and Task Analysis findings.V/here applicable, all Human Engineering Discrepancies identified via the evaluation processes are presented.
Section 2.2 presents findings for the Operating Experience Review.Section 2.3 presents findings and results of the Control/Room Surveys.Finally, Section 2.0 discusses the System Functions and Task Analysis findings.V/here applicable, all Human Engineering Discrepancies identified via the evaluation processes are presented.
 
2.1 Equipment Inventory 2.1.1 Objective The objective of the Equipment Inventory was to identify and reference all instrumentation controls and equipment within the control room for: 1)assessment of task equipment demands, 2)Component LeVel Human Engineering Discrepancy documen-tation, and 3)priority assessment.
===2.1 Equipment===
Inventory 2.1.1 Objective The objective of the Equipment Inventory was to identify and reference all instrumentation controls and equipment within the control room for: 1)assessment of task equipment demands, 2)Component LeVel Human Engineering Discrepancy documen-tation, and 3)priority assessment.
The inventory included all components and major assemblies with which operators interface in the main control room.2.1.2 Review Team Responsibilities A human factors specialist with control room operating experience assembled the Equipment Inventory using the form presented in Figure 1-0.(One form was completed for each component or major assembly).
The inventory included all components and major assemblies with which operators interface in the main control room.2.1.2 Review Team Responsibilities A human factors specialist with control room operating experience assembled the Equipment Inventory using the form presented in Figure 1-0.(One form was completed for each component or major assembly).
 
2.1.3 Criteria Criteria for this task included: o The inventory should include all controls, displays and other com-ponents on the control boards, peripheral consoles, back panels, etc.-that is, the components with which operators interface at all work stations.(NUREG-0700, p.3-19).o Each component should have a unique identifier (NUREG-0700, p.3-20).o The inventory should identify the system, subsystem, function/sub-function, purpose, and characteristics (range for scaled displays, colors for indicator lights, and position labels for controls)for each component (NVREG-0700, p.3-19).20 2.1.0 Task Definition A photomosaic of the control room was used as the basis for most of the inventory work.Because the panels are long, they were divided into sections for the purpose of assigning alphanumeric identifiers.
====2.1.3 Criteria====
Criteria for this task included: o The inventory should include all controls, displays and other com-ponents on the control boards, peripheral consoles, back panels, etc.-that is, the components with which operators interface at all work stations.(NUREG-0700, p.3-19).o Each component should have a unique identifier (NUREG-0700, p.3-20).o The inventory should identify the system, subsystem, function/sub-function, purpose, and characteristics (range for scaled displays, colors for indicator lights, and position labels for controls)for each component (NVREG-0700, p.3-19).20 2.1.0 Task Definition A photomosaic of the control room was used as the basis for most of the inventory work.Because the panels are long, they were divided into sections for the purpose of assigning alphanumeric identifiers.
The console consisted of the following sections: o RTGB 101 Plant Electrical Diesel Generators Turbine Generator Condenser o RTGB 102 Main Feedwater Auxiliary Feedwater Circulating Water Steam Pumps o RTGB 103 Reactor Coolant Pumps Pressurizer o RTGB 100 Nuclear Control Nuclear Instrumentation o RTGB 105 Chemistry Control Volume Control Waste Management o RTGB 106 Engineered Safety Feature Component Cooling Water o Radiation Monitoring o Reactor Protection Logic System o Switchyard Panel o Auxiliary Panels.One Component Level Human Engineering Discrepancy Report (component sheet)was completed for each unique alphanumeric code.Information not available from the photomosaic was collected on site.Components were divided into subsystems within each panel by a human factors specialist with control room operating experience, and this information was included on the component sheet.The bottom half of the component sheet includes a list of Human Engineering Discrepancies noted for each component.
The console consisted of the following sections: o RTGB 101 Plant Electrical Diesel Generators Turbine Generator Condenser o RTGB 102 Main Feedwater Auxiliary Feedwater Circulating Water Steam Pumps o RTGB 103 Reactor Coolant Pumps Pressurizer o RTGB 100 Nuclear Control Nuclear Instrumentation o RTGB 105 Chemistry Control Volume Control Waste Management o RTGB 106 Engineered Safety Feature Component Cooling Water o Radiation Monitoring o Reactor Protection Logic System o Switchyard Panel o Auxiliary Panels.One Component Level Human Engineering Discrepancy Report (component sheet)was completed for each unique alphanumeric code.Information not available from the photomosaic was collected on site.Components were divided into subsystems within each panel by a human factors specialist with control room operating experience, and this information was included on the component sheet.The bottom half of the component sheet includes a list of Human Engineering Discrepancies noted for each component.
The Human Engineering Discrepancy number shown refers to the NVREG-0700 guideline which was violated by the component.
The Human Engineering Discrepancy number shown refers to the NVREG-0700 guideline which was violated by the component.
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The component sheets are filed by unit, by panel, by component type within each panel, and finally by location code within component type.2.1.5 Outputs and Results The output of this task is a data base for each component in the control room.The 4 form contains information describing the component and a list of associated Human Engineering Discrepancies.
The component sheets are filed by unit, by panel, by component type within each panel, and finally by location code within component type.2.1.5 Outputs and Results The output of this task is a data base for each component in the control room.The 4 form contains information describing the component and a list of associated Human Engineering Discrepancies.
The Human Engineering Discrepancy number references NUREG-0700 guidelines and the appropriate Human Engineering Discrepancy.
The Human Engineering Discrepancy number references NUREG-0700 guidelines and the appropriate Human Engineering Discrepancy.
22 0  
22 0
 
2.2 Operator Interviews/Operating Experience Reviews 2.2.1 Objective Interviews were conducted with operating personnel in order to obtain information on control room design and operability from users of the system.Questions were intended to gather information on staffing and workload, workspace design, control room environ-ment, communications, annunciator/warning systems, operator protective equipment, computers, procedures/documentation, operator work scheduling, and manual/automatic control.Documents (Licensee Event Reports)were reviewed for a 5-year period to identify any historic events that involved human error occurences within the control room.2.2.2 Review Team Responsibilities Interviews were conducted by a human factors analyst experienced in interview techniques.
===2.2 Operator===
Interviews/Operating Experience Reviews 2.2.1 Objective Interviews were conducted with operating personnel in order to obtain information on control room design and operability from users of the system.Questions were intended to gather information on staffing and workload, workspace design, control room environ-ment, communications, annunciator/warning systems, operator protective equipment, computers, procedures/documentation, operator work scheduling, and manual/automatic control.Documents (Licensee Event Reports)were reviewed for a 5-year period to identify any historic events that involved human error occurences within the control room.2.2.2 Review Team Responsibilities Interviews were conducted by a human factors analyst experienced in interview techniques.
Each interviewee was briefed regarding the purpose and general content of the questionnaire, and each recorded responses appropriately on the interview forms.Briefings and interviews both were conducted individually.
Each interviewee was briefed regarding the purpose and general content of the questionnaire, and each recorded responses appropriately on the interview forms.Briefings and interviews both were conducted individually.
Operations personnel participating in the interviews consisted of the following:
Operations personnel participating in the interviews consisted of the following:
nine shift operators including reactor operators and senior reactor operators, one watch engineer, and two nuclear plant supervisors.
nine shift operators including reactor operators and senior reactor operators, one watch engineer, and two nuclear plant supervisors.
Of the people surveyed, eleven were male and one was female.They had been licensed for an average of 3 years, representing a range of 2 months to l3 years.Documents were reviewed by a human factors specialist with control room experience.
Of the people surveyed, eleven were male and one was female.They had been licensed for an average of 3 years, representing a range of 2 months to l3 years.Documents were reviewed by a human factors specialist with control room experience.
 
2.2.3 Criteria Responses to interview questions and document review data were not measured against specific criteria.Rather, these directed further investigation, and were verified and evaluated through other data collection and analysis tasks (e.g., checklists, surveys, task analyses, etc.).Additionally, the interviews provided the operators with a channel through which they could suggest or discuss backfits for specific problems.2.2.0 Task Definition The human factors analyst performed the following steps while conducting the-interviews:
====2.2.3 Criteria====
Responses to interview questions and document review data were not measured against specific criteria.Rather, these directed further investigation, and were verified and evaluated through other data collection and analysis tasks (e.g., checklists, surveys, task analyses, etc.).Additionally, the interviews provided the operators with a channel through which they could suggest or discuss backfits for specific problems.2.2.0 Task Definition The human factors analyst performed the following steps while conducting the-interviews:
23  
23  


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0.Are you aware of any opera-tors who have experienced per-sonal problems as a result of working shif ts and/or overtime?Yes No Don't Know No Human Engineering Discrepancy was generated.  
0.Are you aware of any opera-tors who have experienced per-sonal problems as a result of working shif ts and/or overtime?Yes No Don't Know No Human Engineering Discrepancy was generated.  


===2.3 Surveys===
2.3 Surveys This section presents the objectives, review team, evaluation
This section presents the objectives, review team, evaluation
~criteria, task definition/methodology, and results/finding of each control room survey.These include: o Noise o Light o Environment/Workspace o Controls and Displays o Conventions o Process Computer o Emergency Garments o L'abels and Location Aids o Annunciator s o Anthropometry o Force/Torque o Communications o Maintainability.
~criteria, task definition/methodology, and results/finding of each control room survey.These include: o Noise o Light o Environment/Workspace o Controls and Displays o Conventions o Process Computer o Emergency Garments o L'abels and Location Aids o Annunciator s o Anthropometry o Force/Torque o Communications o Maintainability.  
2.3.1 Noise Survey 2.3.1.1 Objective-The purpose of the Noise Survey was to ensure that noise levels within the control room do not interfere with aided and unaided voice communications or with signal audibility.
 
====2.3.1 Noise====
Survey 2.3.1.1 Objective-The purpose of the Noise Survey was to ensure that noise levels within the control room do not interfere with aided and unaided voice communications or with signal audibility.
To accomplish this, noise and signal levels were measured to determine whether or not they were within acceptable ranges.2.3.1.2 Review Team Responsibilities
To accomplish this, noise and signal levels were measured to determine whether or not they were within acceptable ranges.2.3.1.2 Review Team Responsibilities
-The survey was conducted by two human factors engineers familiar with operation of the sound level'eter and fundamerital properties of sound.The survey also required the participation of a control room operator to identify and initiate alarms and to describe problems in the control room related to high noise levels.2.3.1.3 Criteria-o.Verbal communications between points are intelligible under slightly raised voice levels (6.1.5.5.a) o Ambient noise levels do not exceed 65dB(A)(6.1.5.5.b) o Noise distractions are minimized (6.1.5.5.d) o Signal-to-noise ratio (S/N)for alarms is at least 10dB with an S/N of 20dB in one or more octave bands between 200 and 5000 Hz (6.2.2.6.a) o Auditory signal intensities do.not exceed 90dB(A)(6.2.2.6.c).
-The survey was conducted by two human factors engineers familiar with operation of the sound level'eter and fundamerital properties of sound.The survey also required the participation of a control room operator to identify and initiate alarms and to describe problems in the control room related to high noise levels.2.3.1.3 Criteria-o.Verbal communications between points are intelligible under slightly raised voice levels (6.1.5.5.a) o Ambient noise levels do not exceed 65dB(A)(6.1.5.5.b) o Noise distractions are minimized (6.1.5.5.d) o Signal-to-noise ratio (S/N)for alarms is at least 10dB with an S/N of 20dB in one or more octave bands between 200 and 5000 Hz (6.2.2.6.a) o Auditory signal intensities do.not exceed 90dB(A)(6.2.2.6.c).
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Overall, the noise environment was assessed to be adequate and to enable audible signal detection and voice communications.
Overall, the noise environment was assessed to be adequate and to enable audible signal detection and voice communications.
Table 2.3.1-2 summarizes the Human Engineering Discrepancy identified by the Noise Survey.
Table 2.3.1-2 summarizes the Human Engineering Discrepancy identified by the Noise Survey.
TABLE 2.3.1-2 NOISE SURVEY HUMAN ENGINEERING DISCREPANCY (HED)File 8 HED f 6.2.2.3.a Descri tion Similar non-distinguishable auditory signals., Location Control Room  
TABLE 2.3.1-2 NOISE SURVEY HUMAN ENGINEERING DISCREPANCY (HED)File 8 HED f 6.2.2.3.a Descri tion Similar non-distinguishable auditory signals., Location Control Room 2.3.2 Lighting Survey 2.3.2.1 Objective-The objective of the, Lighting Survey was to ensure that the control room lighting is sufficient to permit, the operator to effectively perform all necessary tasks.The lighting tested includes ambient illumination, reflected luminance, and reflectance throughout'he control room.Ambient illumination was tested under both full AC lighting conditions and full DC lighting conditions.
 
====2.3.2 Lighting====
Survey 2.3.2.1 Objective-The objective of the, Lighting Survey was to ensure that the control room lighting is sufficient to permit, the operator to effectively perform all necessary tasks.The lighting tested includes ambient illumination, reflected luminance, and reflectance throughout'he control room.Ambient illumination was tested under both full AC lighting conditions and full DC lighting conditions.
2.3.2.2 Review Team Responsibilities
2.3.2.2 Review Team Responsibilities
-Two human factors specialists conducted this survey.Responsibilities included developing the test procedures, conducting the test, and recording and analyzing the data.2.3.2.3 Criteria-Figure 2.3.2-1 summarizes the criteria used in the survey: o Recommended illumination
-Two human factors specialists conducted this survey.Responsibilities included developing the test procedures, conducting the test, and recording and analyzing the data.2.3.2.3 Criteria-Figure 2.3.2-1 summarizes the criteria used in the survey: o Recommended illumination
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RTGB 103 is an exception, possibly because of the proximity of the light source.Diesel Generator Emergency AC Illumination was also measured for the condition of loss of all off-site power.This condition included the following subsequent lighting configurations:
RTGB 103 is an exception, possibly because of the proximity of the light source.Diesel Generator Emergency AC Illumination was also measured for the condition of loss of all off-site power.This condition included the following subsequent lighting configurations:
o A R B Diesel Generator AC lights o A Diesel Generator AC lights with B Battery Bus DC lights o B Diesel Generator AC lights with A Battery Bus DC lights.Table 2.3.2-1 summarizes the Human-Engineering Discrepancies identified by the Lighting Survey.50 TABLE 2.3.2-1 LIGHTING SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 HED 0 6.1.5.3.a Descri tion Ambient light readings for illumination levels are too low.Location Remote Shutdown Panel 39 00 6.1.5.3.a 6.1.5.3.b 6.1.5.3.c 6.1.5.0.c Illumination levels for benchboards are too high.No illumination uniformity from one panel area to another.Lack of supplemental lighting in needed areas.DC illumination levels.are below 10 fc.All benchboards
o A R B Diesel Generator AC lights o A Diesel Generator AC lights with B Battery Bus DC lights o B Diesel Generator AC lights with A Battery Bus DC lights.Table 2.3.2-1 summarizes the Human-Engineering Discrepancies identified by the Lighting Survey.50 TABLE 2.3.2-1 LIGHTING SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 HED 0 6.1.5.3.a Descri tion Ambient light readings for illumination levels are too low.Location Remote Shutdown Panel 39 00 6.1.5.3.a 6.1.5.3.b 6.1.5.3.c 6.1.5.0.c Illumination levels for benchboards are too high.No illumination uniformity from one panel area to another.Lack of supplemental lighting in needed areas.DC illumination levels.are below 10 fc.All benchboards
.All vertical benchboards and auxiliary panels Line Repeat Panel;Control Room Auxiliary Console;Post-Accident Panel;Heating, Ventilation, R Air Conditioning; Reactor Protection System All except panel RTGB 103  
.All vertical benchboards and auxiliary panels Line Repeat Panel;Control Room Auxiliary Console;Post-Accident Panel;Heating, Ventilation, R Air Conditioning; Reactor Protection System All except panel RTGB 103 2.3.3 Environment Survey 2.3.3.1 Objective-The objective of the Environment Survey was to evaluate the control room environment to ensure safe, comfortable, and efficient operation.
 
====2.3.3 Environment====
Survey 2.3.3.1 Objective-The objective of the Environment Survey was to evaluate the control room environment to ensure safe, comfortable, and efficient operation.
The assessment included furniture and equipment layout;document organization, use, and storage;supervisor access to the control room;ambience and comfort;temperature; humidity;and ventilation.
The assessment included furniture and equipment layout;document organization, use, and storage;supervisor access to the control room;ambience and comfort;temperature; humidity;and ventilation.
2.3.3.2 Review Team Responsibilities
2.3.3.2 Review Team Responsibilities
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TABLE 2.3.5-1 CONVENTIONS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 18, 19, 21-23 26-36 37-39 HED 8 6.8.2.1.(a.2, a.3, c)6.8.2.2.(a, b)6.8.2.3.a Descri tion Displays are not arranged in the conventional operating sequence.Displays are not arranged in the conventional operating sequence.Functionally similar controls are not similarly located.Location All panels All panels RTGBs 103, 106 50 6.8.3.2 Large matrices of similar components are not RTGBs 102, 103, 105, 106 subdivided by demarcation or other method.  
TABLE 2.3.5-1 CONVENTIONS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 18, 19, 21-23 26-36 37-39 HED 8 6.8.2.1.(a.2, a.3, c)6.8.2.2.(a, b)6.8.2.3.a Descri tion Displays are not arranged in the conventional operating sequence.Displays are not arranged in the conventional operating sequence.Functionally similar controls are not similarly located.Location All panels All panels RTGBs 103, 106 50 6.8.3.2 Large matrices of similar components are not RTGBs 102, 103, 105, 106 subdivided by demarcation or other method.  


====2.3.6 Process====
2.3.6 Process Computer Survey 2.3.6.1 Objective-The objective of the Process Computer Survey was to evaluate the system hardware and operational characteristics of the process computer user-system interface.
Computer Survey 2.3.6.1 Objective-The objective of the Process Computer Survey was to evaluate the system hardware and operational characteristics of the process computer user-system interface.
Included in this evaluation were the Digital Data Processing System, Sequence of Events Recorder, Fire Panel, Radiation Monitor Console, and Metrascope.
Included in this evaluation were the Digital Data Processing System, Sequence of Events Recorder, Fire Panel, Radiation Monitor Console, and Metrascope.
Sequence of Events Recorder-The Sequence of Events Recorder is located in the primary operating area and has an'output capacity of approximately 120 characters per~second (CPS).The backup printer is a teletype located behind the main control panels.Events are printed in the following format on both printers: NORMAL DAY: YEAR HOUR:MINUTE SECOND:MILLISECOND POINT//EVENT DESCRIPTOR ABNORMAL Digital Data Processing System-The Digital Data Processing System is a Fisher and Porter system designed to perform calorimetric and xenon calculations, monitor CEA position, monitor and control movable incore detectors, and provide various parameter values.Operators interface with a console and a medium speed printer located next to the Reactor Protection System.All other parts of the system (teletype, card reader, etc.)are located behind the main control boards.Metrascope
Sequence of Events Recorder-The Sequence of Events Recorder is located in the primary operating area and has an'output capacity of approximately 120 characters per~second (CPS).The backup printer is a teletype located behind the main control panels.Events are printed in the following format on both printers: NORMAL DAY: YEAR HOUR:MINUTE SECOND:MILLISECOND POINT//EVENT DESCRIPTOR ABNORMAL Digital Data Processing System-The Digital Data Processing System is a Fisher and Porter system designed to perform calorimetric and xenon calculations, monitor CEA position, monitor and control movable incore detectors, and provide various parameter values.Operators interface with a console and a medium speed printer located next to the Reactor Protection System.All other parts of the system (teletype, card reader, etc.)are located behind the main control boards.Metrascope
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Radiation Monitoring Panel, Sequence of Events Recorder 32 6.7.3.l.f.O Recorded matter obscured by noise attenuator.
Radiation Monitoring Panel, Sequence of Events Recorder 32 6.7.3.l.f.O Recorded matter obscured by noise attenuator.
Radiation Monitoring Panel 33 6.7.3.2 Content of alarm messages, information meaning is not apparent.Sequence of Events Recorder TABLE 2.3.6-1 PROCESS COMPUTER SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 30 35 36 HED 8 6.7.3.3.d.l 6.7.3.3.d.2 6.7.3.3.d.3 Descri tion Table horizontal spacing.Table vertical spacing.Spacing between columns/indexing.
Radiation Monitoring Panel 33 6.7.3.2 Content of alarm messages, information meaning is not apparent.Sequence of Events Recorder TABLE 2.3.6-1 PROCESS COMPUTER SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 30 35 36 HED 8 6.7.3.3.d.l 6.7.3.3.d.2 6.7.3.3.d.3 Descri tion Table horizontal spacing.Table vertical spacing.Spacing between columns/indexing.
Sequence of Events Recorder Sequence of Events Recorder, Digital Data Processing System Sequence of Events Recorder  
Sequence of Events Recorder Sequence of Events Recorder, Digital Data Processing System Sequence of Events Recorder 2.3.7 Emergency Garments Survey 2.3.7.1 Objective-The objective of the Emergency Garments Survey was to identify Human Engineering Discrepancies associated with the use of emergency garments and breathing apparatus.
 
====2.3.7 Emergency====
Garments Survey 2.3.7.1 Objective-The objective of the Emergency Garments Survey was to identify Human Engineering Discrepancies associated with the use of emergency garments and breathing apparatus.
Using checklists drawn from NUREG-0700 and a standard rhyme test, the emergency garments and breathing apparatus were evaluated.
Using checklists drawn from NUREG-0700 and a standard rhyme test, the emergency garments and breathing apparatus were evaluated.
The evaluation consisted of anthropometrics, communications while wearing breath-ing apparatus, storage and placement of emergency gear in the control room, the ease of access to and donning of emergency gear, and operation of the control boards while wearing emergency clothing.2.3.7.2 Review Team Responsibilities
The evaluation consisted of anthropometrics, communications while wearing breath-ing apparatus, storage and placement of emergency gear in the control room, the ease of access to and donning of emergency gear, and operation of the control boards while wearing emergency clothing.2.3.7.2 Review Team Responsibilities
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Communications functions are impeded while using protective gear.N/A N/A N/A Location 6,7,10 6.0.l.l.d Control identification is impeded while wearing protective gear (gloves).All panels 8,9 11-17 6.0.I.I.d.(I, 2)6.0.l.l.d.2 Identification and operation of instruments is impeded while using breathing mask.Control use is impeded with emergency clothing (gloves).All panels All panels  
Communications functions are impeded while using protective gear.N/A N/A N/A Location 6,7,10 6.0.l.l.d Control identification is impeded while wearing protective gear (gloves).All panels 8,9 11-17 6.0.I.I.d.(I, 2)6.0.l.l.d.2 Identification and operation of instruments is impeded while using breathing mask.Control use is impeded with emergency clothing (gloves).All panels All panels  


====2.3.8 Labels====
2.3.8 Labels Survey 2.3.8.1 Objective,,-
Survey 2.3.8.1 Objective,,-
The objective of the Labels Survey was to determine the appropriateness and clarity of labeling in the'ontrol room to enhance operator performance.
The objective of the Labels Survey was to determine the appropriateness and clarity of labeling in the'ontrol room to enhance operator performance.
2.3.8.2 Review Team Responsibilities
2.3.8.2 Review Team Responsibilities
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-b)6.6.5.2.(a, b)6.6.6.0.b.(0, 5)6.8.1.3.(b
-b)6.6.5.2.(a, b)6.6.6.0.b.(0, 5)6.8.1.3.(b
-d)Descri tion Inadequate line spacing.Use of temporary labels.Use of temporary labels.Use and control of tag-out labeling.Use and control of temporary labeling.Incomplete mimic.Mimic arrangement incomplete.
-d)Descri tion Inadequate line spacing.Use of temporary labels.Use of temporary labels.Use and control of tag-out labeling.Use and control of temporary labeling.Incomplete mimic.Mimic arrangement incomplete.
All panels RTGB 101 All panels All panels All panels RTGB 101 RTGB 101  
All panels RTGB 101 All panels All panels All panels RTGB 101 RTGB 101 2.3.9 Annunciator Survey 2.3.9.1 Objective-The objective of the Annunciator Survey was to assess the operability and usability of the system using the guidelines outlined in NUREG-0700, and to document and assess all resulting discrepancies.
 
====2.3.9 Annunciator====
Survey 2.3.9.1 Objective-The objective of the Annunciator Survey was to assess the operability and usability of the system using the guidelines outlined in NUREG-0700, and to document and assess all resulting discrepancies.
2.3.9.2 Review Team ResponsibiTities
2.3.9.2 Review Team ResponsibiTities
-The members of the review team included I a human factors specialist to conduct the annunciator survey;a nuclear operations specialist to supply plant systems information (i.e., interrelationship of various compo-nents, the impact of loss of a pump on plant operations);
-The members of the review team included I a human factors specialist to conduct the annunciator survey;a nuclear operations specialist to supply plant systems information (i.e., interrelationship of various compo-nents, the impact of loss of a pump on plant operations);
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The procedure for generating Spatial-Operational Sequence Diagrams is as follows: o Assemble line drawings of control board o Code components compatibly with locator codes on Task Analysis/Response Selection Diagram forms o Sequentially link control board instrumentation and displays based on Task Analysis/Response Selection Diagram data o Numerically identify links with task code numbers from Task Analysis/Response Selection Diagrams o Assemble and file Spatial-Operational Sequence Diagrams for subse-quent analysis.The outputs and results of this subtask were Spatial-Operational Sequence Diagrams for each system and subsystem function that identify: o Sequence of control/display use for each function o Frequency of control/display use for each function o Decision and task sequence output failure points.With the knowledge of the original design considerations and the design and human factors trade-offs that were conducted during the plant design phase, the Operations Department performed an integral role in the determination of task requirements.
The procedure for generating Spatial-Operational Sequence Diagrams is as follows: o Assemble line drawings of control board o Code components compatibly with locator codes on Task Analysis/Response Selection Diagram forms o Sequentially link control board instrumentation and displays based on Task Analysis/Response Selection Diagram data o Numerically identify links with task code numbers from Task Analysis/Response Selection Diagrams o Assemble and file Spatial-Operational Sequence Diagrams for subse-quent analysis.The outputs and results of this subtask were Spatial-Operational Sequence Diagrams for each system and subsystem function that identify: o Sequence of control/display use for each function o Frequency of control/display use for each function o Decision and task sequence output failure points.With the knowledge of the original design considerations and the design and human factors trade-offs that were conducted during the plant design phase, the Operations Department performed an integral role in the determination of task requirements.
The outputs and results of this subtask were verification or identification of: instrumentation and design requirements for performance of tasks, operator skills and knowledge required for task performance, and workload assessment.
The outputs and results of this subtask were verification or identification of: instrumentation and design requirements for performance of tasks, operator skills and knowledge required for task performance, and workload assessment.
 
2.4.3 Verify Task Performance Capability/Human Engineering Suitability This task required further analysis and evaluation of operator-allocated tasks.a Subtasks for this task are discussed below.2.4.3.1 Develop Functional Sequence Diagrams-The objective of this subtask was to develop event-based Functional Sequence Diagrams for each event sequence listed in Section 2.4.1.3, above.For each event sequence which underwent evaluation, event evolutions (courses)were identified.
====2.4.3 Verify====
Task Performance Capability/Human Engineering Suitability This task required further analysis and evaluation of operator-allocated tasks.a Subtasks for this task are discussed below.2.4.3.1 Develop Functional Sequence Diagrams-The objective of this subtask was to develop event-based Functional Sequence Diagrams for each event sequence listed in Section 2.4.1.3, above.For each event sequence which underwent evaluation, event evolutions (courses)were identified.
126 ji, Functional Sequence Diagrams generated from procedures represent the evolving plant and operational status ensuing after an initiating event.The procedure for developing Functional Sequence Diagrams was as follows: o Identify the previously defined functions and tasks as operationally sequenced in the event o Identify branch points (e.g., diagnostic decisions, etc.)o Timeline operations and tasks to identify event progressions.
126 ji, Functional Sequence Diagrams generated from procedures represent the evolving plant and operational status ensuing after an initiating event.The procedure for developing Functional Sequence Diagrams was as follows: o Identify the previously defined functions and tasks as operationally sequenced in the event o Identify branch points (e.g., diagnostic decisions, etc.)o Timeline operations and tasks to identify event progressions.
As Functional Sequence Diagrams were completed, sequential functions were overlaid on control room floor plans and sequentially numbered to identify and analyze control room traffic patterns.The traffic pattern analysis was conducted as follows: o Assemble Functional Sequence Diagrams for each event o Obtain control room floor plan drawings o Sketch the traffic paths for all operators as required by the event sequence o Identify functional (operational) dependencies, as required.Outputs of this subtask are Functional Sequence Diagrams and Traffic Diagram checklists.
As Functional Sequence Diagrams were completed, sequential functions were overlaid on control room floor plans and sequentially numbered to identify and analyze control room traffic patterns.The traffic pattern analysis was conducted as follows: o Assemble Functional Sequence Diagrams for each event o Obtain control room floor plan drawings o Sketch the traffic paths for all operators as required by the event sequence o Identify functional (operational) dependencies, as required.Outputs of this subtask are Functional Sequence Diagrams and Traffic Diagram checklists.
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Component obscuration.
Component obscuration.
Switch position does not correspond with associated display.Functional reach.Sequence of use.Display location.Display not above control.Display precision.-
Switch position does not correspond with associated display.Functional reach.Sequence of use.Display location.Display not above control.Display precision.-
Location RTGBs 102, 105, 106 RTGBs 102, 105, 106 Various RTGBs 102, 103 RTGB 102 RTGBs 102-100 Remote Shutdown Panel RTGBs 101, 105 RTGB 103  
Location RTGBs 102, 105, 106 RTGBs 102, 105, 106 Various RTGBs 102, 103 RTGB 102 RTGBs 102-100 Remote Shutdown Panel RTGBs 101, 105 RTGB 103 3.0 IMPLEMENTATION The objectives of this phase are: 1)preparation of schedules for implementation of selected backfits, 2)develop standardized backfit solutions, 3)present justification for not correcting certain discrepancies and 4)provide current status of implementation program.3.1, DEVELOP BACKFIT SCHEDULES Backfit implementation programs were prepared as human engineering discrepancies were identified, documented, and assessed.Scheduling of human engineering discrepancy backfits were a function of: o Human engineering discrepancy priority o Engineering and procurring lead time requirements and constraints o Overall plant outage schedules.
 
==3.0 IMPLEMENTATION==
The objectives of this phase are: 1)preparation of schedules for implementation of selected backfits, 2)develop standardized backfit solutions, 3)present justification for not correcting certain discrepancies and 4)provide current status of implementation program.3.1, DEVELOP BACKFIT SCHEDULES Backfit implementation programs were prepared as human engineering discrepancies were identified, documented, and assessed.Scheduling of human engineering discrepancy backfits were a function of: o Human engineering discrepancy priority o Engineering and procurring lead time requirements and constraints o Overall plant outage schedules.
Schedules will be periodically reviewed and updated as part of the implementation program.3.1.1 PHASE 3-ENHANCEMENT AND DESIGN SOLUTIONS PROPOSED BACKFIT CORRECTIVE ACTION The basic procedure employed in identifying and selecting enhancements and design solutions is based on Figure 3-1.1.Analysis of correction by enhancement 2.Analysis of correction by design alternatives 3.Assess extent of correction.
Schedules will be periodically reviewed and updated as part of the implementation program.3.1.1 PHASE 3-ENHANCEMENT AND DESIGN SOLUTIONS PROPOSED BACKFIT CORRECTIVE ACTION The basic procedure employed in identifying and selecting enhancements and design solutions is based on Figure 3-1.1.Analysis of correction by enhancement 2.Analysis of correction by design alternatives 3.Assess extent of correction.
 
3.1.2 ANALYSIS OF CORRECTION BY ENHANCEMENT e Discrepancies selected for correction were first examined for possible correction by enhancement (labeling, demarcation, procedure aids, etc.).Each human engineering discrepancy is considered and, where such correction is possible, the discrepancy was reassessed for its effect on operator performance.
====3.1.2 ANALYSIS====
As appropriate, human engineering discrepancies can be reevaluated via checklisting and task analysis until human factors engineering suitability is verified.Where it was determined that correction by enhancement was not possible, the discrepancy was analyzed for correction by design alternatives (see Figure 3-2).l,32 3.1.3 ANALYSIS OF CORRECTION BY DESIGN ALTERNATIVE Identification of design alternatives was achieved by the examination of the human engineering discrepancy, reference to task analysis data, and identification of potential constraints (e.g., availability of equipment, Reg.Guide 1.75, etc.)and was dispositioned by taking into account plant safety, design restrictions, operator performance, and cost effectiveness.
OF CORRECTION BY ENHANCEMENT e Discrepancies selected for correction were first examined for possible correction by enhancement (labeling, demarcation, procedure aids, etc.).Each human engineering discrepancy is considered and, where such correction is possible, the discrepancy was reassessed for its effect on operator performance.
As appropriate, human engineering discrepancies can be reevaluated via checklisting and task analysis until human factors engineering suitability is verified.Where it was determined that correction by enhancement was not possible, the discrepancy was analyzed for correction by design alternatives (see Figure 3-2).l,32  
 
====3.1.3 ANALYSIS====
OF CORRECTION BY DESIGN ALTERNATIVE Identification of design alternatives was achieved by the examination of the human engineering discrepancy, reference to task analysis data, and identification of potential constraints (e.g., availability of equipment, Reg.Guide 1.75, etc.)and was dispositioned by taking into account plant safety, design restrictions, operator performance, and cost effectiveness.
The acceptability of design alternatives will be verified by further evaluation using the following:
The acceptability of design alternatives will be verified by further evaluation using the following:
o Functional analysis o Task analysis o Reapplication of appropriate checklists.
o Functional analysis o Task analysis o Reapplication of appropriate checklists.
Figure 3-3 presents the general activity involved in analysis of correction by design alternative.
Figure 3-3 presents the general activity involved in analysis of correction by design alternative.
 
3.1.4 EXTENT OF CORRECTION For all human engineering programs implemented or discrepancies selected for correction by design alternatives, extent of correction (by enhancement or redesign)will undergo evaluation.
====3.1.4 EXTENT====
OF CORRECTION For all human engineering programs implemented or discrepancies selected for correction by design alternatives, extent of correction (by enhancement or redesign)will undergo evaluation.
To achieve the assessment, a simple reapplication of program guidelines and verification of human factors engineering suitability will be performed.
To achieve the assessment, a simple reapplication of program guidelines and verification of human factors engineering suitability will be performed.
Figure 3-4 is the form used to document extent of correction assessments.
Figure 3-4 is the form used to document extent of correction assessments.
Line 795: Line 711:
3.2.5.ENGINEERING INTERGRATION REVIEW As a result of the Detailed Control Room Design Review'erformed on St.Lucie Unit No.1 there are 53 of the findings (as summarized in Table 3.2-1)identified as requiring design changes remaining to be implemented and/or engineering review completed a'nd final dispositioning assigned.Of the 53 findings remaining in this catagory 13 have been dispositioned for design enhancement corrective action and will be implemented during the units current 1983 outage.The remaining 40 require additional engineering review with regard to design alternatives taking into account qualification of equipment, common operational concerns between the St.Lucie Site Control Rooms, coordination of construction support requirements and availability of equipment/materials.
3.2.5.ENGINEERING INTERGRATION REVIEW As a result of the Detailed Control Room Design Review'erformed on St.Lucie Unit No.1 there are 53 of the findings (as summarized in Table 3.2-1)identified as requiring design changes remaining to be implemented and/or engineering review completed a'nd final dispositioning assigned.Of the 53 findings remaining in this catagory 13 have been dispositioned for design enhancement corrective action and will be implemented during the units current 1983 outage.The remaining 40 require additional engineering review with regard to design alternatives taking into account qualification of equipment, common operational concerns between the St.Lucie Site Control Rooms, coordination of construction support requirements and availability of equipment/materials.
The remaining engineering review items will be dispositioned by July 30, 1984.The following is a list of the Findings currently scheduled for implementation during St.Lucie Unit No.1's current outage.SECTION NO.FILE NO.6.1 11 6.5 209,210,258 6.7 12,14,18,19 6.8 6,8,26,37 6.9 20 The following is a list of the findings scheduled to have their., evaluations and dispositioning completed by July 30, 1984.The results of the'subject Engineering Intergration Review will be reported to Nuclear Regulatory Commission Human Factors Branch by August 30, 1984 for their review of Florida Power and Light Companies proposed dispositioning.
The remaining engineering review items will be dispositioned by July 30, 1984.The following is a list of the Findings currently scheduled for implementation during St.Lucie Unit No.1's current outage.SECTION NO.FILE NO.6.1 11 6.5 209,210,258 6.7 12,14,18,19 6.8 6,8,26,37 6.9 20 The following is a list of the findings scheduled to have their., evaluations and dispositioning completed by July 30, 1984.The results of the'subject Engineering Intergration Review will be reported to Nuclear Regulatory Commission Human Factors Branch by August 30, 1984 for their review of Florida Power and Light Companies proposed dispositioning.
SECTION NO.FILE NO.6.1 19,21,25,38,41,42
SECTION NO.FILE NO.6.1 19,21,25,38,41,42 6.2 Continued on next page.143  
 
===6.2 Continued===
on next page.143  


6.4 6.5 6.7 6.8 6.9 4,5,27,28,69 3,14,15,22,23,27,44,110, 251 thru 254,264,265 32,34,36 2,3$4$31$35$36$38$39,40 12,22 A brief description of the subject findings and proposed design enhancement foQows for those human engineering descrepancies which are currently scheduled to be implemented during the units 1983 outage.In addition a detailed listing along with descriptions of each line item is presented in Section 3.5 of this report.144 0  
6.4 6.5 6.7 6.8 6.9 4,5,27,28,69 3,14,15,22,23,27,44,110, 251 thru 254,264,265 32,34,36 2,3$4$31$35$36$38$39,40 12,22 A brief description of the subject findings and proposed design enhancement foQows for those human engineering descrepancies which are currently scheduled to be implemented during the units 1983 outage.In addition a detailed listing along with descriptions of each line item is presented in Section 3.5 of this report.144 0  
Line 833: Line 746:
INDEK POR BACKFIT PROGRAM NUREG 0700 SECTION NO'S/NO.ITEMS PHR SECTION 6.9 PROGRAM TOTALS 1.LABELING 13 12 34 161 224 2.DEMARCATION 3.ANNUNCIATOR 4.CODING CONVENTION 5.ENGINEERING INTER-GRATION REVIEWS 6.ADMINISTRATIVE/
INDEK POR BACKFIT PROGRAM NUREG 0700 SECTION NO'S/NO.ITEMS PHR SECTION 6.9 PROGRAM TOTALS 1.LABELING 13 12 34 161 224 2.DEMARCATION 3.ANNUNCIATOR 4.CODING CONVENTION 5.ENGINEERING INTER-GRATION REVIEWS 6.ADMINISTRATIVE/
TRAINING PROCEDURHS-CONTROLS 15 32 12 71 19 7 15 13 16 53 7.JUSTIFICATION OP NO ACTION ITEMS 8.INVALID PINDINGS 9.COMPLETED 24 12 23 112 10 20 17 14 229 16 ITEM SUB-TOTALS/
TRAINING PROCEDURHS-CONTROLS 15 32 12 71 19 7 15 13 16 53 7.JUSTIFICATION OP NO ACTION ITEMS 8.INVALID PINDINGS 9.COMPLETED 24 12 23 112 10 20 17 14 229 16 ITEM SUB-TOTALS/
SECTION 43 44 85 265 181 36 51 22 732 732 TABLE 3.2-1 151  
SECTION 43 44 85 265 181 36 51 22 732 732 TABLE 3.2-1 151 3.3 WRITTEN JUSTIFICATION/NO CORRECTIVE ACTION INTENDED 3.3.1 LOW ERROR ASSESSMENT As a result of the Detailed Control Room Design Review and Human Engineering Descrepancy Review Team meetings on St.Lucie Unit No.1 there are 229 findings (summarized in table 3.2-1)which were identified as requiring no corrective action.These items are presented in detail along with Florida Power and Light Company's justification for taking no corrective action on these items.The following is a list of findings by section number as they relate to NUREG-0700 and file numbers as they relate to Florida Power and Light Companies tracking system.A complete listing of all items along with a brief descriptions of each line item is presented in Section 3.5 of this report.SECTION NO.FILE NOS.6.1 1,2,3,5 thru 10,16 thru 18,23,24, 26 thru 31,33,37,39,40 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6,8,10,11,14,19,20,24,28,40,41,44 1,2,3,19,20,21 thru 25,29,36,42,44,46, 50,74,75,79,81,82,83,85 2,7,8,9,11,13,17,19,20,25,26,28 thru 33, 35,37,39,42,43,47,51,54,56)59,66,67,72,74, 75,76,78,79,83,85,86,90 thru 97,99,101,105 109,111,112,115,122,123,124,125,126,128, 129t131t133t134t135t136>137u139t140t144u145t 167 thru 170,174 thru 194,208,211,223 228,229,230,231,232,233,234,235,236,255,257, 259,260 thru 263 50 thru 54,109 1 thru 4,10,11,13,15,16,17,20 thru 25,29,30 31,33 1,7,18,21,22,29,30,34,41,42,43 thru 49 3 thru 11 15,16,17,19,21 152  
 
===3.3 WRITTEN===
JUSTIFICATION/NO CORRECTIVE ACTION INTENDED 3.3.1 LOW ERROR ASSESSMENT As a result of the Detailed Control Room Design Review and Human Engineering Descrepancy Review Team meetings on St.Lucie Unit No.1 there are 229 findings (summarized in table 3.2-1)which were identified as requiring no corrective action.These items are presented in detail along with Florida Power and Light Company's justification for taking no corrective action on these items.The following is a list of findings by section number as they relate to NUREG-0700 and file numbers as they relate to Florida Power and Light Companies tracking system.A complete listing of all items along with a brief descriptions of each line item is presented in Section 3.5 of this report.SECTION NO.FILE NOS.6.1 1,2,3,5 thru 10,16 thru 18,23,24, 26 thru 31,33,37,39,40 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6,8,10,11,14,19,20,24,28,40,41,44 1,2,3,19,20,21 thru 25,29,36,42,44,46, 50,74,75,79,81,82,83,85 2,7,8,9,11,13,17,19,20,25,26,28 thru 33, 35,37,39,42,43,47,51,54,56)59,66,67,72,74, 75,76,78,79,83,85,86,90 thru 97,99,101,105 109,111,112,115,122,123,124,125,126,128, 129t131t133t134t135t136>137u139t140t144u145t 167 thru 170,174 thru 194,208,211,223 228,229,230,231,232,233,234,235,236,255,257, 259,260 thru 263 50 thru 54,109 1 thru 4,10,11,13,15,16,17,20 thru 25,29,30 31,33 1,7,18,21,22,29,30,34,41,42,43 thru 49 3 thru 11 15,16,17,19,21 152  
~Findin: (Section 6.1, File No.1)(HED No.6.1.1.1.b)
~Findin: (Section 6.1, File No.1)(HED No.6.1.1.1.b)
Fire panel and radiation monitor computer panel are outside the control room primary operating area.Both panels require operator response to alarms and/or to take log reading.~Res onse: (Seotion 6.1, File No.1)At least two licensed operators are on duty in the control room at all times.One operator can leave the primary area to answer alarms, take log readings, etc.Florida Power and Light Company contends the existing operating staff and administrative controls allow for effective operator response to normal and off normal task requirements and intends no action on this item.~Findin: (Seotion 6.1, File No.2)(HED No.6.1.1.l.b)
Fire panel and radiation monitor computer panel are outside the control room primary operating area.Both panels require operator response to alarms and/or to take log reading.~Res onse: (Seotion 6.1, File No.1)At least two licensed operators are on duty in the control room at all times.One operator can leave the primary area to answer alarms, take log readings, etc.Florida Power and Light Company contends the existing operating staff and administrative controls allow for effective operator response to normal and off normal task requirements and intends no action on this item.~Findin: (Seotion 6.1, File No.2)(HED No.6.1.1.l.b)
Line 1,242: Line 1,152:
Switch B is located above switch A.~Res onse: (Sction 6.8, File No.27)As a result of HED review team meetings it was identified that the subject valves and display arrangement do comply with the recommended convention configuration (top-to-bottom).
Switch B is located above switch A.~Res onse: (Sction 6.8, File No.27)As a result of HED review team meetings it was identified that the subject valves and display arrangement do comply with the recommended convention configuration (top-to-bottom).
The Valves functionally operate as swing or cross tie valves for the HPSI system.The subject finding was dispositioned as being invalid and Florida Power and Light Company intends no action on this item.246,  
The Valves functionally operate as swing or cross tie valves for the HPSI system.The subject finding was dispositioned as being invalid and Florida Power and Light Company intends no action on this item.246,  
~F(odin: (Section 6.9, File No.l)(HED No.6.9.1.1)Indicator lights for the blowdown valves RCV-23-1, RCV-23-2 and RCV-31-1 are not located near their controls.~Res onse: (Section 6.9, File No.l)As'a result of the HED review meetings it was determined that only the display, i.e., indicator lights are located in the control room for operator information, no controls are provided.This HED was determined to be invalid and Florida Power and Light Company intends no action on this item.247 0  
~F(odin: (Section 6.9, File No.l)(HED No.6.9.1.1)Indicator lights for the blowdown valves RCV-23-1, RCV-23-2 and RCV-31-1 are not located near their controls.~Res onse: (Section 6.9, File No.l)As'a result of the HED review meetings it was determined that only the display, i.e., indicator lights are located in the control room for operator information, no controls are provided.This HED was determined to be invalid and Florida Power and Light Company intends no action on this item.247 0
 
3.4 COMPLETED BACKFITS 3.4.1 COMPLETED ENHANCEMENT/DESIGN SOLUTIONS As a result of the construction work during the St.Lucie Unit No.1 refueling outage there is 1 finding (summarized in Table 3.2-1)which was completed.
===3.4 COMPLETED===
BACKFITS 3.4.1 COMPLETED ENHANCEMENT/DESIGN SOLUTIONS As a result of the construction work during the St.Lucie Unit No.1 refueling outage there is 1 finding (summarized in Table 3.2-1)which was completed.
The following states the finding by section number as it'relates to NUREG-0700 and file number as it relates to Florida Power and Light Companies tracking system.A description of this finding and it's correction foDows: SECTION NO.FILE NOS.6.8 33 248 0 D  
The following states the finding by section number as it'relates to NUREG-0700 and file number as it relates to Florida Power and Light Companies tracking system.A description of this finding and it's correction foDows: SECTION NO.FILE NOS.6.8 33 248 0 D  
~Findin: (Section 6.8, File No.33)(HED 6.8.2.2.a)
~Findin: (Section 6.8, File No.33)(HED 6.8.2.2.a)
On RTGB 106 the arrangement of component strings for the four Safety Injection Channels is illogical and doesn't follow operator expectations for an alpha numeric sequence convention as per NUREG 0070 Guidelines (top-to-bot tom and lef t-to-right).
On RTGB 106 the arrangement of component strings for the four Safety Injection Channels is illogical and doesn't follow operator expectations for an alpha numeric sequence convention as per NUREG 0070 Guidelines (top-to-bot tom and lef t-to-right).
The controls and displays of subject components involving the: SI Loop Pressure Indicators SIT Pressure Indicators SIT Level Indicators SIT Leakage Valves SIT Fill/Drain Valves LPSI Valves(s)R Displays HPSI Valve(s)R Displays Rows of displays are not placed symetricaQy above corresponding controls.~Res ense: (Seotion 6.8, File No.33)The subject controls and displays were relocated and placed in the correct conventional configuration.
The controls and displays of subject components involving the: SI Loop Pressure Indicators SIT Pressure Indicators SIT Level Indicators SIT Leakage Valves SIT Fill/Drain Valves LPSI Valves(s)R Displays HPSI Valve(s)R Displays Rows of displays are not placed symetricaQy above corresponding controls.~Res ense: (Seotion 6.8, File No.33)The subject controls and displays were relocated and placed in the correct conventional configuration.
This HED was reviewed as a part of an Engineering Integration Review meeting and was resolved with the issuance of a Plant Change Modification (PCM 0290s183)3 and was completed during the 1983 Refueling Outage.249  
This HED was reviewed as a part of an Engineering Integration Review meeting and was resolved with the issuance of a Plant Change Modification (PCM 0290s183)3 and was completed during the 1983 Refueling Outage.249 3.4.2 SCHEDULED COMPLETION DATES FOR STANDARIZED BACKFITSOLUTIONS This section provides the currently scheduled completion dates for the Plant St.Lucie Unit No.1 Standardized Backfit Program.PROGRAM 1.'abeling 2.Demarcation 3.Annunciator Review a)Hardware Installation 4.Coding Convention 5.Engineering Intergration Review*a)Dispositioned Complete (install)b)Disposition Pending (comp.eval.)6.Administrative and Training COMPLETION DATE December 1984 December 1984 July, 1984 Next Refueling Outage September 1984 July, 1984 Prior to return from 1983 outage August, 1984 December 1984*NOTE: Refer to Section 3.2;5 of this report for a list of those engineering intergration review items scheduled for installation during the units 1983 refueling outage and those items remaining to be reviewed, dispositioned and reported on by August 30, 1984.250 3.5 IMPLEMENTATION PROGRAM TRACKING SYSTEM AND  
 
====3.4.2 SCHEDULED====
COMPLETION DATES FOR STANDARIZED BACKFITSOLUTIONS This section provides the currently scheduled completion dates for the Plant St.Lucie Unit No.1 Standardized Backfit Program.PROGRAM 1.'abeling 2.Demarcation 3.Annunciator Review a)Hardware Installation 4.Coding Convention 5.Engineering Intergration Review*a)Dispositioned Complete (install)b)Disposition Pending (comp.eval.)6.Administrative and Training COMPLETION DATE December 1984 December 1984 July, 1984 Next Refueling Outage September 1984 July, 1984 Prior to return from 1983 outage August, 1984 December 1984*NOTE: Refer to Section 3.2;5 of this report for a list of those engineering intergration review items scheduled for installation during the units 1983 refueling outage and those items remaining to be reviewed, dispositioned and reported on by August 30, 1984.250  
 
===3.5 IMPLEMENTATION===
PROGRAM TRACKING SYSTEM AND  


==SUMMARY==
==SUMMARY==

Revision as of 12:01, 6 May 2019

Detailed Control Room Design Review, Summary Rept
ML17214A549
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 10/31/1983
From:
FLORIDA POWER & LIGHT CO.
To:
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ML17214A548 List:
References
RTR-NUREG-0700, RTR-NUREG-0737, RTR-NUREG-700, RTR-NUREG-737, TASK-1.D.1, TASK-TM NUDOCS 8311080246
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Text

SUMMARY

REPORT DETAILED CONTROL ROOM DESIGN REVIEW OF THE PLANT ST.'LUCIE UNIT 1 NUCLEAR POWER STATION DOCKET 50-335 PREPARED BY: FLORIDA POWER AND LIGHT COMPANY OCTOBER 1983 (831 1~~()g()()@gag PDR ADOCK Pgg p~i0@lNNH QPR (tn n 4~<<'v TABLE OF CONTENTS 1.0 METHODOLOG Y PAGE 1.1 1.2 1.3 1.4 1.5 Overview Review Procedures Document and Document Control Technical Approach Assessment and Implementation 1 4 8 15 15 2.0 FINDINGS/RESULTS 20 2.1 2.2 2.3 2.4 Equipment Inventory Operator Interviews/Operating Experience Reviews Surveys 2.3.1 Noise 2.3.2 Lighting.2.3.3 Environment 2.3.4 Controls and Displays 2.3.5 Conventions 2.3.6 Process Computer 2.3.7 Emergency Garments 2.3.8 Labels 2.3.9 Annunciators 2.3.10 Anthropometry 2.3.11 Force/Torque 2.3.12 Communications 2.3.13 Maintainability System Function and Task Analysis 2.4.1 Identify/Review Systems, Functions, and Tasks 2.4.2 Analyze Tasks 2.4.3 Verify Task Performance Capability/Human Engineering Suitability 2.4.4 Validate Control Room Functions 2.4.5 Results/Findings 20 23 43 44 48 52 57 66 69 76 81 89 92 111 113 117 123 123 125 126 128 129 3.0 IMPLEMENTATION 132 3.1 Develop Backfit Schedules 3.1.1 Phase 3-Enhancement and and Design Solutions 3.1.2.Analysis of Correction by Enhancement

~3.1.3.Analysis of Correction by Design Alternative 3.1.4.Extent of Correction 132 132 132 133 133 t'r~fr,)<A"'C~ll t'pga f'1 6L I'l Q'1 L h (l k'QP~eiiAQ g)i, fl I s aJ)I f54 Qe<<h z aa P i)C g$fN()Q$)f)~tt.4gL s r c>>C TABLE OF CONTENTS 3.2 3.3 3.4 3.5 Human Engineering Backfit Program 3.2.1 Labeling 3.2.2 Demarcation 3.2.3 Annunciator Review 3.2.4 Coding Convention 3.2.5 Engineering Intergration Review 3.2.6 Administrative and Training Written Justification/No Corrective Action Intended 3.3.1 Low Error Assessment 3.3.2 Invalid Findings Completed Backfits 3.4.1 Completed Enhancements/Design Solutions 3.4.2 Scheduled Completion dates for Standarized Backfit Solutions Implementation Program Tracking System 3.5.1 Inventory Control 3.5.2 Status Updates 3.5.3 Open Item List Development 3.5.4 Project History 3.5.5 Program Index and Listing PAGE 138 138 140 141 142 143 150 152 152 239 248 248 250 251 251 251 251 252 252 APPENDIX 1 Computer Output of All Human Engineering Deficiencies APPENDIX A Checklist of NUREG-0700 Criteria Used For the St.Lucie Unit 1 DCRDR I 4~pic'",0 t.'lf:: L't l.c.ac 9-'.rI~(~,;I I'I 11 II~1't.t gc I~4 e~I J ,~ci I 5(, (II~V','.//J~.E.~~

1.0 METHODOLOGY 1.1 Overview This report has been prepared in response to NUREG-0737 item 1.D.1 and details the means by which a Detailed Control Room Design Review was conducted for the St.Lucie, Unit 1 Nuclear Power Plant owned and operated by the Florida Power R Light Company.The review was conducted using NUREGs-0700 and-0801, and spanned the period from July 1981 to July 1983.The review was conducted in four phases, as follows: o Preparation of a review planning document which discusses Review methodologies Review documentation Status, personnel qualifications;and project organization Assessment and prioritization of discrepancies Reporting (findings, assessment, and schedules).

Phase 2-Control Room Review.This represents the period in which data'<<'ollection, reduction, and analysis was conducted, resulting in Human'ngineering Discrepancy reports and draft reports.Phase 3-Enhancement R Desi n Solutions.

Human Engineering Discrepancies were collated, alternate enhancements and design solutions were gene-.-'ated, and the results were considered in trade-offs.

Phase 0-~Re ortin.Backfit schedules and detailed control room design review..results will be provided to the Nuclear Regulatory Commission.'.

Figure 1-1 shows, in general, the phases and task flow for the Detailed Control Room Design Review.A brief discussion of the activities conducted in each phase of the review follows this figure.The Detailed Control Room Design Review was conducted using the NUREG-0700 guidelines.

Planning, staffing, technical approach, and prioritiza-tion were conducted in accordance with the guidelines as stated in NUREG-0700.

The present Detailed Control Room Design Review report closely follows the outline recommended in Section 5.2 of NUREG-0700.

Specifically, this final report discusses:

o The Detailed Control Room Design Review phases o The technical activities

.review of operating experience assembly of control room documentation system/function/task analysis conduct of control room surveys verification of task performance capability validation of control room functions 4~l>q h~dt I I., (\IVhv 4IV IP~~I~~V hV C'.'I"r~'~hr~\~~~'h r~~I IV n.rI1r f.~'l f.v 4 r~r fm U 4 4~C~~I I 4~VI~IvrV I I y'I 4 VI VI<<II fr~VI A 4=.d4~I I\4 fh 4 r+h" t'4 PHASE II CR AEVIEW PHASE III ASSESSMENT AND DESIGN SOLUTIONS PHASE IV REPORTING REVIEW.OPERATING EXPEAIENCE SYSTEM FUNCTIONS AND TASK ANALYSIS VEAIFY TASK PERFOR-MANCE CAPABILITY DEVELOP FINAL REPORT DEVELOP PROGRAM PLAN ASSESS DISCRE-PANCIES ANALYZE AND SELECT CORRECTIVE ACTION ASSEMBLE CONTROL ROOM DOCUMEN.TATION CONDUCT CONTROL ROOM'UAVEYS VALIDATE CONTROL ROOM FUNCTIONS DEVELOP BACKFIT SCHEDULE.FlGURE-.2.'The:four.phases and.the task flowlrelationships of.the CR,review.

r'k i'.s")r~>~~E S~L it$d L)C H 0 o Method of assessment of discrepancies o Method of identification and selection'of enhancement and design solutions o Review results of Human Engineering Discrepancie's, Human Engi-'eering Discrepancy Assessment, and the selected enhancement and design solutions will be organized into the following groups: survey findings (annunciator, communications, etc.)task analysis findings (panel/workspace) human factors engineering suitability and validation of functions'indings (control room traffic, workload distribution, and man/machine functional allocations) o Improvements to be made enhancements/justification/extent of correction design alternative/justification/extent of correction o Schedule of implementation.

I<<'P~tt.P 4 t, 4 Vs'L'C~~*s/I jt+I~ll I)~a v~I 1/q I\I, J tqsr.ii,s~e iW

~~,~i~t~ 1.2 Review Procedures This section presents, in general terms, the review procedures employed.In Section 2.0, Findings, detailed descriptions of the procedures employed, and results of each, are presented. 1.2.1 Phase 2-Control Room Review The Control Room Review phase was subdivided into six subtasks as follows: o Review of Operating Experience o Assemble Control Room Documentation o Review of System Functions and Task Analysis o Control Room Surveys o Verify Task Performance Capability o Validate Control Room Functions. 1.2.1.1 Review of Operating Experience -This task was composed of two subtasks: 1)conduct of operator interviews, and 2)review of plant operational experience through Licensee Event Reports, technical specification modifications, etc.This review task was conducted in accordance with the guidelines of NUREG-0700 published September 1981.1.2.1.2 Assemble Control Room Documentation -In this task, a control room data base was established to support subsequent evaluation. A library was established with control room related documentation (technical specifications, drawings, etc.), control room components were photo-documented, and a 1/3 scale photomosaic was constructed. The library and photo-documentation were centrally located to support the effort.In addition to the library and photographic documentation; a control room inventory of components was developed, identifying for each component, its location, system relation-ships, functions, and characteristics. Inventory data has been filed for subsequent use.1.2.1.3 Conduct Control Room Surveys-Much of the detailed assessment of the control room was conducted via surveys.Surveys required the collection of data using preconstructed checklists, interview forms, and the taking of direct measurements of control room parameters such as noise levels, light levels, etc.The source of the survey criteria is found in NUREG-0700. For each survey, a draft report (summarizing Human Engineering Discrepancies) was prepared for subsequent inclusion into the present final report.The surveys conducted were: o Noise-direct measurements of noise levels were taken and com-pared to individual checklists items. %0'5~J~w.gy pip g~g))~~a i'!"9<i'("r>f r'.'.'-"~"'1 L/s v'r g.~~owl','J~'4 I t 1 p,~s*~r 0 r<i~~.~('te-'~i" r~4~I Iij II P ff 0 0 0 0 0 0 0 0 0 Lighting-measurements were taken under various conditions (e.g., normal and emergency lighting)and compared to individual NUREG-0700 items.Control Room Environment -assessments were made by direct measurement of the parameters (listed below)and compared to'he data in the NUREG-0700 guidelines. temperature humidity ventilation workspace arrangement document organization, use, and storage control room access Design Conventions -evaluations by survey for the conventions listed below.The data was subsequently compared to NUREG-0700 guidelines. I coding methods (color, shape, pattern, etc.)standardization of abbreviations and acronyms consistency of control use consistency of display movement or indication Controls-checklist evaluation of controls.Displays-checklist evaluation of displays.Computers-checklist evaluation of computer systems.Emergency Garments-data were collected by walk-throughs, use of emergency garments, speech intelligibility analysis, and checklist, application. Labeling-checklist evaluation of labels.Annunciators -checklist evaluation of annunciator systems;, direct measurement of annunciator fonts, signal intensities, etc.Anthropometrics -analysis of reach and visual access to control room components given physical configuration of boards, panels, layout, etc.The data was subsequently compared to checklist item requirements. Force/Torque -where indicated by operator observation, force/torque information for control types were collected for comparison to checklist items.Communications -checklist evaluation of communications systems;speech intelligibility analysis of communications modes Maintainability -checklist and questionnaire data concerning operator-maintained components (trend recorders, bulbs, etc.).1.2.1.0 Review of System Functions and Task Analysis (SFTA)-System functions and tasks were identified and evaluated in this task.A 0-step procedure was employed: o Identification of systems and subsystems by review of plant documen-tation C I>p C)I~<4+<o Human Engineering Discrepancy description ~'4 p+pp p.~~~<<2 p.S p J ppp p J~\~pp'I W~~~h p~e I~p'l~p~'t~t~~~ FIGURE 0-2 INFORMATION MANAGEMENT DATA COLLECTION PROCEDURE 1 ATA COLLECTION .,~~~~,, DATA COLLECTION PROCEDURE 2~.PROCEDURE N COLLECT DATA COLLECT DATA~~~Q 4~4 4 COLLECT DATA IDENTIFY HEDs H IDENTIFY HEDs 4~i 4 4 4 eIDENTIFY HEDs DOCUMENT DOCUMENT~~~4~~~~~DOCUMENT FILE (MANUAL)&ADP)FILE (MANUAL~~~~~~FILE (MANUAL'ADP)&ADP)ASSESS HEDs UPDATE FILES IDENTIFY RESOLUTIONS UPDATE FILES DEVELOP SCHEDULESI RESOLUTIONS REPORT 2 r o Human Engineering Discrepancy assessment o Human'ngineering Discrepancy locations (components which are discrepant from the NUREG-0700 guidelines) o Action to be taken on the Human Engineering Discrepancy. Figure 1-3 presents the Human Engineering Discrepancy format used.1.3'omponent Human Engineering Discrepancy Reports A manually maintained file was established which documented, for each component, Human Engineering Discrepancies cited against that component. In addition, the header for each Component Level Human Engineering Discrepancy contains the following Control Room Inventory information: .o Panel/workstation o Unique, location code o System relationship o Component function and use o Component type and characteristics. The Human Engineering Discrepancies noted against a component are, where appropriate, listed on the bottom of the form by Human Engineering Discrepancy number (which corresponds to NUREG-0700 guideline number).The Component Level Human Engineering Discrepancy form used is presented in Figure 1-0.1.3.5 Task Reports For each survey, a separate report section has been generated detailing: o Objectives of the survey o Actual data collection and analysis methods employed o Criteria (guidelines) implemented o Summary of findings.In short, the process followed for each survey or evaluation, from inception to writing of Human Engineering Discrepancies, has been documented. 1.3.6 Filing System The Detailed Control Room Design Review Filing System is structured as follows: o Human Engineering Discrepancies sequenced by file number 10 y~w~Ir FIGURE/-3 HUMAN ENGINEER!NG D!SCREPANCY REPORT NO: REVIEVfER NAME: a)HED TITLE: PLANT.UNIT'ATE:.b)ITEMS INVOI.VED: ITEM TYPE NOMENCLATURE LOCATION PHOTO NO.c)PROBLEM DESCRIPTION (GUIDELINES VIOLATED): d)SPECIFIC OPERATOR ERROR(S)THAT COULD RESULT FROM HED: VA Q\*~8~: A" 4 FlGURE 1-3 e)SUGGESTIONS FOR POTENTIAL BACKFITS f)ESSEX REVIEW DATA COLLECTOR DATA COLLECTION MGR PROGRAM MGR DATE DATE DATE 0)DISPOSITION Cl FURTHER REVIEW BY C3 TO BE CORRECTED BY D REFER TO OPERATIONS Cl NO ACTION C3 OTHER DATE DATE EVALUATION COMPLETED PSE&G PROJECT DIRECTOR 12 DATE f I' FIGURE t-4 COMPONENT REPORT HUMAN ENGINEERING blSCREPANCY REPORT CDMI'DIEITjsl IADEL ASCDCIATED EDNFI4EIT DESICIIATIDI I EWE 2~ASTI EDC CODE LIDE 0 SUBSYSTEM: CONTROL MODESIOISPLAY RANGE: USE'ED NUMBER CAT HEO NUMBER CAT 13 o Component sheets filed by panel (e.g., RTGB 101, RTGB 102, etc.)and sequenced by location code o Task Analysis Volumes I and II-System Function and Part-Task Analysis Volume III-Functional Sequences, Traffic Analysis, Timelines, and V/orkload Estimations. o Checklists and data forms provided as Appendix A to this summary report. 1.0 Technical Approach The technical approach employed is briefly introduced in this section.Detailed discussions of review methodologies ar'e presented'in Section 2.0, Findings, where text is provided which describes the activities. for the following tasks: o Review of operating experience o Review of system functions and task analysis o Surveys noise lighting environment design conventions controls and displays computers emergency garments labeling annunciator s-anthropometrics force/torque communications maintainability o Verification of task performance capability o Validation of control room functions o Assessment of discrepancies. Each survey report addresses: o Task Objectives -The type of data to.be collected or human performance variables under analysis.o Review Team-The personnel required to conduct the task.o Criteria-Generally, the NUREG-0700 evaluation guidelines appro-priate to the'evaluation being conducted. o Task Definition -Steps or procedures followed in the conduct of the task.o Outputs and Results-Task results.These are Human Engineering Discrepancies which may be drawn upon by subsequent tasks (e.g., Task Analysis). 1.5 Assessment and Implementation Once a Human Engineering Discrepancy was identified, its disposition had to be determined. This section of the summary report: 1)describes the means whereby Human Engineering Discrepancies were assessed for error-inducing potential and system conse-quences of induced errors, and 2)details the means by which Human Engineering Discrepancies will be disposed of (redesign, additional Gob Performance Aids, etc.)The 15 0 0 assessment portion, in essence, determines the scheduling of backfits as a function of the potential consequences of the Human Engineering Discrepancy. The disposition portion determines the means by which a Human Engineering Discrepancy will be ameliorated. Assessment is initially divorced from disposition in terms of selection of backfits;however, Human Engineering Discrepancy disposition may, in some instances, drive scheduling of backfits due to availability of materials, extent of engineering redesign, and so forth.Also, candidate backfits undergo assessment to ensure that human engineering discrepancies have been adequately addressed. 1.5.1 Assessment The basic assessment process is divided into four steps, as follows: o Assess extent of deviation from NUREG-0700 guidelines o Assess Human Engineering Discrepancy impact on error occurrence o Assess potential consequences of error occurrence o Assign Human Engineering Discrepancy scheduling priority.A Human Engineering Discrepancy Assessment Form and a Logic Diagram are presented in Figure 1-5.1.5.1.1 Assess Extent of Deviation from NUREG-0700 Guidelines -This step required that a subjective assessment of the extent of discrepancy from NUREG-0700 guidelines be, made with regard to the control room.For example, symbol/background contrast might be 00 percent rather than 50 percent, or, only small amounts of parallax may exist in a display.A judgement was made based on the content of the guideline being applied and the.control room component under assessment. Extent of deviation was subjectively scaled from"1" (some deviation) to"5" (complete deviation). There was also a catagory N/A (not applicable) for Human Engineering Discrepancies which are not a part of NUREG-0700 (discrepancies from other documents such as military standards, human factors engineering texts, etc).Extent of deviation judgements are not directly used to assess priority or scheduling of backfits, but relate to assessment of operational error potentials. It is possible to have little deviation from the guidelines and high error assessments, and vise versa.1.5.1.2 Assess Human Engineering Discrepancy Impact on Error Occurrence-Given that no control system can be designed to be operationally error-free, the assessment here was to estimate Human Engineering Discrepancy impact on hypothetical (unknown)baseline error rates of control room components; e.g., will additional errors be.16 induced by discrepancies from the guidelines? Estimates of Human Engineering Discrep-ancy impact on error occurrence were qualitatively arrived at by consideration of the following: o Body physiology fatigue/physical stress discomfort injury anthropometry o Sensory/perceptual per formance vision audition propioception touch o Information processing overload.confusion recall pattern matching/recognition data manipulation (comparing, extrapolating, etc.)o Learning, inhibition habituation response predominance transfer response competition-response latency o Task demands frequency duration competition sequence speed communication precision information. 1.5.1.3 Assess Potential Consequences of Error Occurrence -Review team, tech-nical staff, and operations representatives evaluated system consequences of hypothesized operational errors.Four determinations 'are required: o Does the Human Engineering Discrepancy relate,to plant safety functions? o Does the Human Engineering Discrepancy relate to plant functions required to mitigate the consequences of an accident?o Could an error lead to unsafe operations or plant conditions? o Could an error lead to violations of technical specifications? 17 Each of these requires a yes/no type response.The Logic Diagram on Figure 1-5 (Human Engineering Discrepancy Priority)shows how these data are integrated to assign categories and priorities to Human Engineering Discrepancies. Note that Category I Human Engineering Discrepancies are those which have been noted from documented operational errors.All Category I Human Engineering Discrep-ancies are deemed to increase error potential, but consequences must still be assigned to determine ultimate scheduling priority.Category II Human Engineering Discrepancies are those identified through conduct'of surveys, etc., which are deemed to contribute to the inducement of operational errors.Priority, within Category II is a function of error consequence after error occurrence. Category III Human Engineering Discrepancies are those designs which deviate from NUREG-0700 guidelines, but due to the context of the St.Lucie Unit 1 Control Room, little, if any, additional error inducement is anticipated. Assessment of error occurrence was estimated for the following: o Overall operator performance is/is not degraded by the Human Engineering Discrepancy impact on body physiology? o The Human Engineering Discrepancy does/does not degrade sensory performance? o Information processing capability is/is not exceeded via the Human Engineering Discrepancy? 'The Human Engineering Discrepancy does/does not induce direct error due to principles of learning?o Task difficulty and reliability is/is not affected by the Human Engineering Discrepancy? Based on the above, a subjective error assessment was generated on a 5-point scale;"1" indicating a low probability of induced errors is expected as a result of the Human Engineering Discrepancy, and"5" indicating a high probability of additional errors being induced.1.5.1.0 Assign Human Engineering Discrepancy Priority Scheduling -Priority for scheduling of backfit was assigned per the following: o Priority A-Prompt-first outage, given availability of materials and engineering lead time.'Priority B-Near Term-second refueling outage given availability of parts and engineering lead time.o Priority C-Long Term-at any time. e FtGURE 1.5 HED ASSESSMENT FORM 1.EXTENT OF DEVIATION FROM OT00 GUIDELINES /AMP~: 1 2 3 I 5 2.ERROR ASSKSSMKNT ~IG 2$i 5 2.SAFETY FUNCTION?NO NON SAFETY RELATED, REOUIRKD TO MITIGATE CONSEOUKNCKS OF AN ACCIDENT NO S.CONSEOUENCKS OF ERROR OCCURENCK e A UNSAFE OPERATION L VIOLATION OF TECH.SPECS.YES NO NO 1.DEV f 0?NO FILE HED YES 2.ERROR NO ASSESSMENT 2?CATEGORY III HED TA YES TA e CATEGORY II~C HED TECH SPEC VIOLATED OR UNSAFE OPERATION YES S.SAFETY NO FUNCTION OR OBJECTIVE? TECH SPEC VIOLATED OR CATEGORY II,C UNSAFE HED OPERATION% YES CATEGORY II A HED 19 YES CATEGORY II B HED 2.0 FINDINGS This section presents results and findings of the Detailed Control Room Design Review.Section 2.1 discusses the Equipment Inventory. Section 2.2 presents findings for the Operating Experience Review.Section 2.3 presents findings and results of the Control/Room Surveys.Finally, Section 2.0 discusses the System Functions and Task Analysis findings.V/here applicable, all Human Engineering Discrepancies identified via the evaluation processes are presented. 2.1 Equipment Inventory 2.1.1 Objective The objective of the Equipment Inventory was to identify and reference all instrumentation controls and equipment within the control room for: 1)assessment of task equipment demands, 2)Component LeVel Human Engineering Discrepancy documen-tation, and 3)priority assessment. The inventory included all components and major assemblies with which operators interface in the main control room.2.1.2 Review Team Responsibilities A human factors specialist with control room operating experience assembled the Equipment Inventory using the form presented in Figure 1-0.(One form was completed for each component or major assembly). 2.1.3 Criteria Criteria for this task included: o The inventory should include all controls, displays and other com-ponents on the control boards, peripheral consoles, back panels, etc.-that is, the components with which operators interface at all work stations.(NUREG-0700, p.3-19).o Each component should have a unique identifier (NUREG-0700, p.3-20).o The inventory should identify the system, subsystem, function/sub-function, purpose, and characteristics (range for scaled displays, colors for indicator lights, and position labels for controls)for each component (NVREG-0700, p.3-19).20 2.1.0 Task Definition A photomosaic of the control room was used as the basis for most of the inventory work.Because the panels are long, they were divided into sections for the purpose of assigning alphanumeric identifiers. The console consisted of the following sections: o RTGB 101 Plant Electrical Diesel Generators Turbine Generator Condenser o RTGB 102 Main Feedwater Auxiliary Feedwater Circulating Water Steam Pumps o RTGB 103 Reactor Coolant Pumps Pressurizer o RTGB 100 Nuclear Control Nuclear Instrumentation o RTGB 105 Chemistry Control Volume Control Waste Management o RTGB 106 Engineered Safety Feature Component Cooling Water o Radiation Monitoring o Reactor Protection Logic System o Switchyard Panel o Auxiliary Panels.One Component Level Human Engineering Discrepancy Report (component sheet)was completed for each unique alphanumeric code.Information not available from the photomosaic was collected on site.Components were divided into subsystems within each panel by a human factors specialist with control room operating experience, and this information was included on the component sheet.The bottom half of the component sheet includes a list of Human Engineering Discrepancies noted for each component. The Human Engineering Discrepancy number shown refers to the NVREG-0700 guideline which was violated by the component. 21 ' Although the control room Equipment Inventory was intended for use in Task Analysis, the references to Human Engineering Discrepancy numbers on the component sheets also provide Florida Power R Light with a list of Human Engineering Discrepancies associated with each component. The component sheets are filed by unit, by panel, by component type within each panel, and finally by location code within component type.2.1.5 Outputs and Results The output of this task is a data base for each component in the control room.The 4 form contains information describing the component and a list of associated Human Engineering Discrepancies. The Human Engineering Discrepancy number references NUREG-0700 guidelines and the appropriate Human Engineering Discrepancy. 22 0 2.2 Operator Interviews/Operating Experience Reviews 2.2.1 Objective Interviews were conducted with operating personnel in order to obtain information on control room design and operability from users of the system.Questions were intended to gather information on staffing and workload, workspace design, control room environ-ment, communications, annunciator/warning systems, operator protective equipment, computers, procedures/documentation, operator work scheduling, and manual/automatic control.Documents (Licensee Event Reports)were reviewed for a 5-year period to identify any historic events that involved human error occurences within the control room.2.2.2 Review Team Responsibilities Interviews were conducted by a human factors analyst experienced in interview techniques. Each interviewee was briefed regarding the purpose and general content of the questionnaire, and each recorded responses appropriately on the interview forms.Briefings and interviews both were conducted individually. Operations personnel participating in the interviews consisted of the following: nine shift operators including reactor operators and senior reactor operators, one watch engineer, and two nuclear plant supervisors. Of the people surveyed, eleven were male and one was female.They had been licensed for an average of 3 years, representing a range of 2 months to l3 years.Documents were reviewed by a human factors specialist with control room experience. 2.2.3 Criteria Responses to interview questions and document review data were not measured against specific criteria.Rather, these directed further investigation, and were verified and evaluated through other data collection and analysis tasks (e.g., checklists, surveys, task analyses, etc.).Additionally, the interviews provided the operators with a channel through which they could suggest or discuss backfits for specific problems.2.2.0 Task Definition The human factors analyst performed the following steps while conducting the-interviews: 23 o Utility operations representatives were contacted to arrange times and places for briefings and interviews. When necessary, operator and interviewer moved to the control room so that incidents or problems described could be demonstrated. o Operators were briefed on the purpose of the interview and its contribution to the overall control room evaluation. For operators not familiar with human factors, the field and its application in the design of power plant control systems and interfaces were discussed. Operators were assured of their anonymity, and no names were recorded on the interview form.o Questions from the structured interview form (see Appendix A)were read aloud to each operator, and responses were recorded on the form by the interviewer. Responses were read aloud to the operator to ensure accuracy.Each interview took approximately 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br />.2.2.5 Outputs and Results A quantitative summary of the responses is shown in the RESPONSES and FREQUENCY columns of Table 2.2-1.FREQUENCY value is based on responses from 12 operators. Any qualification of an answer, e.g.,"yes, but only when...", is discussed in the COMMENTS column, which also includes any other information necessary to interpret the response s'ummary.Unless otherwise noted, a number in parentheses listed under the COMMENTS heading refers to the frequency of identification. These are used particu-larly where operators have listed examples of a problem.Outputs consist of 12 completed questionnaires. In analyzing comments and suggested backfits made by operators, it was noted that some of the same answers were made a number of times in response to different problems.Approximately 200 Licensee Event Reports were reviewed to identify potential instances of human error.Of the approximately 40 reported events specifically involving human error, four involved human error on the part of the control room operator.The remaining human errors entailed errors outside the main control room on the part of auxiliary operators, maintenance technicians, etc.A number of errors occurred due to documentation deficiencies including incorrect valve lineup specifications in procedures, procedural steps not performed or specified in procedures, maintenance schedules not followed or specified, software deficiencies, miscalculations of equipment, and surveil-lance test not conducted. Those errors involving the control room operator included the following: o A reactor coolant system pressure increase due to the starting of an additional charging pump 24 o A low safety injection tank level due to undetected instrument drift o Refueling water tank overflow due to failure to respond to a high level alarm o Shutdown cooling flow stopped too soon due to failure to align 6.9 kV busses.The reactor coolant system pressure increase was due to the starting of an additional charging pump during shutdown cooling operations to increase letdown flow rate.This caused reactor coolant system pressure to increase to above 268 psia, thereby initiating automatic isolation of the shutdown cooling system.No control room design deficiency has been identified as a result of this event.Rather, procedure guides and cautions should direct operating personnel to the possibility of this type of event.The low safety injection tank level event occurred due to instrument drift which caused the level instrumentation to erroneously present level information. A low-low level alarm alerted operators to the condition, and the condition was corrected. The human engineering concern here stems from the issue of physical meter needle position driving annunciators. The low level safety injection tank annunciator did not alarm.The computer low-low level alarm alerted operators to the condition. This issue is discussed in Human Engineering Discrepancy 6.5.1.1.e.l. ~The refueling water tank overflow occurred when an operator failed to respond to a high level alarm.A number of Human Engineering Discrepancies have been noted regarding annunciator readability and response coding.Further, Florida Power 2 Light is enhancing tile readability and prioritizing alarms.However, operator attentional and response factors are not under the influence of design factors alone.The annunciator usability/readability enhancement program should significantly reduce the incidences of this type of event.The shutdown cooling flow was interrupted too soon when the system was stopped, and the reactor coolant pumps failed to start when the attempt to start was made by the operator.The reactor coolant pumps did not start due to failure to align properly the 6.9 kV busses supplying the pumps.First, the startup procedures should specifically and conspicuously detail racking in the reactor coolant pump breakers.A note or caution in the procedure may even be necessary. Second, it should be apparent that the breaker is racked in since the green or red lights adjacent to the control room reactor coolant pump controls will be illuminated only when power is available to the pumps: Since those lights are immediately adjacent to the control handles, no design-related Human Engineering Discrepancies were noted or generated. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION A.STAFFING R WORKLOAD 2.What is the maximum num-ber of operators needed to effectively operate the control room during: a.-normal operations? b.startup/shutdown? c.transients? RESPONSES+2 ROs, 2 SROs 3 ROs, 2 SROs 2-3 ROs-2ROs, 1 SRO 3 ROs, 2SROs 0 ROs, 2SROs 0 ROs, 3 SROs 0 ROs 0 ROs, 2 SROs 0 ROs, 1 SRO 3 ROs, 3 SROs 3 ROs, 2 SROs+2 ROs, 2 SROs 0-5 SROs 2-3 ROs, 1 SRO 3 ROs, 1 SRO no answer+=actual staffing FRE UENCY 1 1 1 1 HUMAN ENGINEERING DISCREPANCIES GENERATED No Human Engineering Discrepancy was generated. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED 0.Have administrative or record-keeping responsibilities ever interfered with your operational duties, especially during off-normal conditions? Yes No Operators responding"yes" indicated that record-keeping caused problems particularly during off-normal situations due to increased operational and paperwork requirements at those times.Operators responding"no" indicated that although there is a great deal of paperwork and it is not usually possible to keep up with it during transients, plant operation is always the first priority.No Human Engineering Discrepancy was generated since paperwork duties are abandoned during off-normal situations. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED B.WORKSPACE DESIGN 3.Do the actions or tasks of another operator ever interfere with performance of your tasks?Yes No Occasionally No Answer Operators responding"occasionally" indicated interference from non-control room operators, particularly trainees.No Human Engineering Discrepancy was generated since responses addressed control room access, not controlling interference. 0.Have you ever experienced any difficulty in reaching a re-quired control or seeing/reading a required display?Yes No 10 2 Ten operators reported having problems with at least the top row of lower case meters.Of the two who said that they did not have problems, one said that it was because he estimated his readings on the top row of meters.A number of operators also reported having difficulty reading the second row from the top and the bottom row of sigma meters..One operator named the meters displaying pressurizer temperature and safety and relief line temperatures, all located in the top row of RTGB 103, as being particularly difficult to read because normal values are at the top of the meters.Human Engineering Discrepancies 6.1.2.2.e.l.b and 6.1.2.5.b. Several controls were identified as being difficult to reach.Human Engineering Discrepancies 6.1.2.2.b.l and 6.1.2.5.a. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING ~DISCREPANCIES GENERATED 5.Have you ever experienced any difficulty in locating a re-quired control or seeing/reading a required display?Yes No 12-0 Many operators cited RTGBs 105 and 106 as having the most occurrences of substitution errors.Both of these panels have long arrays of identical rotary controls which are not shape-coded or broken up by spacing or demarcation. Human Engineering Discrepancies 6.1.2.2.e.2 and 6.1.2.2.f. 6.Are panels arranged within the control room in a manner which is logical for normal and emergency operations? Yes No No Answer Six operators commented that there are feedwater controls used during start up on RTGBs 102 and 106.They suggested that those on 106 be moved to 102.Human Engineering D>screpancy 6.1.2.2.e.2. 7.Are controls and displays pertaining to systems or subsys-tems grouped logically and dis-tinctively within each panel?Yes No Sometimes The panel frequently noted as being disorganized and confusing was RTGB 106.Human Engineering Discrepancies 6.8.1.2, 6.8.2.1.(a, b, c), and 6.8.3.2.b. 8.Does your panel lack impor-tant information, controls, or displays which would help you perform your job more effec-tively or safely?Yes No Several controls and displays considered important by operators are not presently in the control room.Human Engineering Discrepancy 6.5.1.1.b. 9.Are important data, con-trols, or displays inaccessbile or difficult to access because of placement (e.g., located in back panels out of operator's view)?Yes No No Answer 10 1 1 Several controls and displays considered important by operators are not located in a primary area.Human Engineering Discrepancies 6.1.1.l.b and 6.1.1.3.a. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES HUMAN ENGINEERING DISCREPANCIES GENERATED 10.Does the control room contain controls, displays, or other equipment which is inop-erative, not used, or unneces-sary for you to do an effective job?Yes No No Answer 8 3 1 Operators cited items that are inoperative, unnecessary, or do not belong on the front of the panel.Human Engineering Discrepancy 6.5.1.1.c. 11.Do you find mimics or gra-, phic/pictorial panel arrange-ments, if used, helpful in per-forming your job?Yes No 12 0 Operators were very positive about mimics, however, they cited a few criticisms of the present mimics.Two operators noted that the electrical mimic on RTGB 101 does not show the actual arrangement of the busses it represents, but the drawings used in training do.Operators are tested for licensing on the actual arrangement. Two operators said that mimics are not used frequently enough and suggested that the Auxiliary Feedwater System should be mimicked.Human Engineering Discrepancy 6.8.1.3.b. 12.Have you ever inadver-tently disturbed control set-tings (e.g., accidently bumped a switch)?Yes No No Answer 2 9 1 The following control activation errors were reported by operators: Substituted Annunciator Reset for DEH Fluid Test Moved rotary controls beneath annunciator controls on RTGB 103 while acknowledging, resetting, or testing annunciators. No Human Engineering Discrepancy was generated. The annunciator controls have been relocated. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED 13.Have groups of controls or displays which look identical or very similar been marked or coded to permit easy discrimination between them?Yes No Occasionally 1 10 1 Operators have marked some controls to discriminate between important and less important controls, e.g., Reactor Coolant Pumps and Emergency Borate.The following methods for control coding were suggested: Demarcation (1 response)Shape coding (0 responses). Two operators commented that they thought demarcation would degrade the situation. No Human Engineering Discrepancy was generated. 15.Do you find operator-added modif ications helpful?Yes No 12 0 No Human Engineering Discrepancy was generated. 17.Is the control room arranged to be effectively operated by the minimum shift required during: a.normal operations? b.transients/emergency operations? Yes No No Answer Yes No No Answer Two operators noted that although there are problems with panel location now, the poorly located panels are the ones which have been added recently.Specifically, the Control Room Auxiliary Console and Fire Panel are located outside the primary operating area.Other comments were that: A rack is needed to hold the procedures so the operator is not required to walk back and forth between the desk and panel.The Reactor Regulating System surveillance requires the operators to yell back and forth over the board.Human Engineering Discrepancies 6.1.1.1.b and 6.1.1.3.a. e TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION C.WORKSPACE ENVIRONMENT RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED 1.Which of the following en-vironmental factors interfere with effective performance of your job?a.Ventilation b.Temperature/Humidity c.Illumination d..Noise e.Excessive control room traffic f.Other:+No music Dirty board Carpet color Wall and floor colors in control room+Operator responses when asked what"other" environ-mental problems they had.2 9 11 11 3 1 1 1 a.Ventilation -paint (fumes)and dust from construction have, on occasion, forced operators to prop control room doors open.No Human Engineering Discrepancy was generated. c.Illumination -there is considerable disagreement as to the appropriate amount of illumination necessary to operate the control room.Some operators complained that the present lighting level causes glare, particularly on the Metrascope. Others complained that the control room is too dim.No Human Engineering Discrepancy was generated since a.discrepancy was not substantiated by the control room survey.d.R e.Noise and Excessive Control Room Traffic-"unnecessary people in the control room" was cited as a major factor in the excessive noise level, particularly during transients. These people, operators reported, cause distractions by talking among themselves and by asking the operators questions about what.is happening. Control room noise and traffic is also affected by the backfit work being done.This brings in construction workers, and noise from the construction work is excessive. It is not possible to hear an alarm when someone is drilling holes in the floor.The noise survey failed to substantiate high basal noise levels;no Human Engineering Discrepancy was generated. Human Engineering Discrepancy 6.1.1.3.d addresses control room traffic. ~TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED 2.Are there problems with time and distance involved in leaving the control room to prepare food or use facilities? Yes No Three operators reported that an operator in the control room cannot contact an operator in the kitchen or restroom.They suggested that a-buzzer or intercom be installed. One operator noted that because all operations people use the kitchen,-it is sometimes inaccessible to control room operators.. Since control room manning is'pecified by technical specifications, no Human Engineering Discrepancy was generated. 0 TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED D-COMMUNICATIONS l.Are there problems with communications procedures or equipment which interfere with receiving or transmitting required information in any of the.following instances? a.Control room to field b.Field to control room c.Control room to super-visor d.Control room to NRC e.Control room to others Yes Yes Yes Yes Yes 10 6 2 0 I Problems with communications between control room and field operators were primarily attributed to noise in the field or control room.Field operators cannot always hear the page in high noise areas.When they do pick up the phone, the noise levels in the field and the control room prevent control room operators from hearing them.No Human Engineering Discrepancy was generated. 2.Are you aware of any instances in which operator-to-operator communications have been lost or misheard due to distance or noise levels?Yes No In general, lost communications were most often attributed to noise and distraction produced by visitors and construction. Ambient control room noise was found to be adequate, and no Human Engineering Discrepancy was generated. 3.Does the operation of communications equipment or requirements for communica-tions interfere with operations during: a.normal operations? b.off-normal operations? c.emergency operations? Yes Yes Yes"Yes" answers to this question discussed interference of both the sound of the phones and the requirement to answer them.Frequency of phone calls increases during peak and midnight shifts because the switchboard is no longer operated, particularly between 6:30 and 7:30 a.m.;and during transients as people call the control room for information. No problems were noted concerning the operability/usability of the~communications equipment. No Human Engineering Disrepancy was generated. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED E.ANNUNCIATORS/LEARNING SYSTEM 7.Do you have any problems reading annunciator messages from any point in the control room from which the messages must be read?Yes No No answer One operator indicated that annunciators should be readable from the operator's desk and that yellow and green tiles were particularly difficult to see.Human Engineering Discrepancy 6.3.3.5.a. 9.Do"nuisance" or"false" alarms ever interfere with your performing your job effec-tively?Yes No 12 0 Operators reported that problems occur more frequently during transients than during normal operations. Nuisance alarms fell into three cate-gories: those which are unnecessary; tiles nor-mally in the alarm state due to administrative controls;and windows that alarm frequently. All operators listed at least one nuisance alarm.Human Engineering Discrepancy .6.3.1.2.a.l. 10.a.Are there sufficient an-nunciator controls?Yes No No answer The four operators who responded negatively be-lieved that another set of controls should be installed on RTGB 106.One of the four felt that every panel should.have its own annunciator con-trol station.Human Engineering Discrepancy 6.3.0.2.b. 10.b.Are they easily accessi-ble from all panels?Yes No No answer 5 3 Four operators were concerned with the accessi-bility of the controls on RTGB 103 and felt they should be moved to the front of the board.These have been moved;no Human Engineering Discrep-ancy was generated. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES HUMAN ENGINEERING DISCREPANCIES GENERATED 12.What recommendations would you make to enhance the operator usability of your annunciator system?Listed below are the recommendations made and the frequency of occurrence. Institute"dark panel" concept.(1)Indication of cleared alarm.(5)(Note: 3 believed that an"alarm clear" indication would be detrimental.) Larger letters.(1)Institute a system allowing operators to pull one card to disable one window instead of two.(1)Engrave set points on windows.(2)Eliminate windows with more than one message.(2)Institute a system allowing operators to reset or acknowledge an alarm from any.annunciator control station.(2)Color coding window on which the message involves a Tech.Spec.violation. (1)Institute an audible alarm system in which each panel's alarm is distinctive in either location or tone.(6)No Human Engineering Discrepancy was generated. e TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION F.OPERATOR PROTECTIVE EQUIPMENT RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED 3.Does the face mask inter-fere with visibility? Yes No No Answer 3 3 One operator said that masks limit peripheral vision,'and another said that the lenses are easily scratched. A third reported that the masks become fogged, but ony after a few hours of wear.Human Engineering Discrepancy 6.2.1.8.b. 0.Does the face mask inter-fere with: Human Engineering Discrepancies 6.2.1.8.(b, c).t a.Operator-to-operator communications? Yes No No Answer 2 6+b.Use of communications equipment? Yes No No Answer 2 5.Have you ever encountered dif ficulty in performing re-quired tasks as a result of wearing protective equipment? Yes No No Answer Two of the three operators responding"yes" to this question specifically identified gloves as a problem.They felt that the thick rubber gloves normally used would not allow the necessary degree of tactile sensitivity. Human Engineering Discrepancy 6.0.1.l.d. 6.Do you feel sufficiently practiced in donning protective equipment so that, if the need arises, you feel you could don it easily and quickly?Yes No 10 2 No Human Engineering Discrepancy was generated. +These people had not been fitted for a respirator. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED G.COMPUTERS 2.Do you find the computer useful and reliable?Yes No No Human Engineering Discrepancy was generated. 3.Do you feel that operators are adequately trained to use the computer?Yes No I Most operators remarked that they were capable of performing basic tasks on or with the computer systems, but that they knew that the computer could be used for more complex tasks.No Human Engineering Discrepancy was generated. 0.What changes or additions in computer usage would you recommend? Listed below are the recommendations made and the frequency of occurrence. Install CRTs to display system schematics and/or immediate actions.(3)Install CRTs to show system status.(1)Reduce printer noise.(1)Make system-use instructions available. (1)Formalize use of Hewlitt-Packard Programmable Calculator. (1)No Human Engineering Discrepancy was generated. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES PRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED I.OPERATIONS 1.Do you feel that too many functions are performed auto-matically by the system in con-trolling an abnormal event?Yes No No Answer No Human Engineering Discrepancy was generated. 3.Can you suggest examples where automatic control would be preferable, where not cur-rently provided?Yes No No'uman Engineering Discrepancy was generated. 0.Please describe any addi-tional operational problems you have experienced with the cur-rent panel design.Listed below are the recommendations made and the frequency of occurrence. Meter increments are not consistent, parti-cularly the array of Reactor Coolant Pump meters on RTGB 103.(2)The Matrix Relay Surveillance on the Reactor Protection -System requires holding a button for approximately 20 minutes while manipulating other controls.(1)Too much information for an operator to assimilate is presented on the core mimic.(1)Headphone communications are poorly designed;jacks are poorly located, and plugging in a jack can cut in on commu-nications. (1) 0 TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES HUMAN ENGINEERING DISCREPANCIES GENERATED The Metrascope should not flash to indicate a dropped rod;the rod cannot be distin-guished when the display is flashing.(1)There are too many components on the board.(1)There are not enough nuclear, turbine, and-auxiliary operators scheduled. (1)The control room should be less accessible during off-normal operations.(I)A clerical worker should be hired to help complete paperwork. (1)No Human Engineering Discrepancy was generated. TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED 3.OPERATOR WORK SCHEDULING l.Would you prefer a different system of shift scheduling? Yes No No answer Listed below are the recommendations made and the frequency of occurrence. Work straight shifts rather than rotating.(3)Spend more than one week on a shift.(3)Work 12-hour days.(1)Move from day to peak to midnight rather than evening to day to night.(2)No.Human Engineering Discrepancy was generated. 2.a.Have you ever experienced any negative effects in chang-ing from one shift to another, in yourself or in other opera-tors?Yes No 12 0 No Human Engineering Discrepancy was generated. 2.b.Has this affected oper-ating abilities? Yes No No answer 9 1 2 No Human Engineering Discrepancy was generated. 3.a.Do you feel that extended shif ts or overtime degrades your ability to perform your job ef f ectively?Yes No No Human Engineering generated. Discrepancy was TABLE 2.2-1 OPERATOR SURVEY RESPONSES UESTION RESPONSES FRE UENCY HUMAN ENGINEERING DISCREPANCIES GENERATED 3.b.Have you ever experienced any problems operating the plant as a result of working extensive overtime?Yes No No answer No Human Engineering Discrepancy was generated. 0.Are you aware of any opera-tors who have experienced per-sonal problems as a result of working shif ts and/or overtime?Yes No Don't Know No Human Engineering Discrepancy was generated. 2.3 Surveys This section presents the objectives, review team, evaluation ~criteria, task definition/methodology, and results/finding of each control room survey.These include: o Noise o Light o Environment/Workspace o Controls and Displays o Conventions o Process Computer o Emergency Garments o L'abels and Location Aids o Annunciator s o Anthropometry o Force/Torque o Communications o Maintainability. 2.3.1 Noise Survey 2.3.1.1 Objective-The purpose of the Noise Survey was to ensure that noise levels within the control room do not interfere with aided and unaided voice communications or with signal audibility. To accomplish this, noise and signal levels were measured to determine whether or not they were within acceptable ranges.2.3.1.2 Review Team Responsibilities -The survey was conducted by two human factors engineers familiar with operation of the sound level'eter and fundamerital properties of sound.The survey also required the participation of a control room operator to identify and initiate alarms and to describe problems in the control room related to high noise levels.2.3.1.3 Criteria-o.Verbal communications between points are intelligible under slightly raised voice levels (6.1.5.5.a) o Ambient noise levels do not exceed 65dB(A)(6.1.5.5.b) o Noise distractions are minimized (6.1.5.5.d) o Signal-to-noise ratio (S/N)for alarms is at least 10dB with an S/N of 20dB in one or more octave bands between 200 and 5000 Hz (6.2.2.6.a) o Auditory signal intensities do.not exceed 90dB(A)(6.2.2.6.c). ?3.1A Task Definition/Methodology Ambient Sound Level-Ambient sound level was recorded at 17 points within the control room and recorded on Table 2.3.1-1, Sound Survey Record.Measurements were 1 taken in dB(A)weighting, the scale which most accurately represents the response of human hearing.Readings were also taken at each point for the octave ranges from 250 to 0000 Hz using the A-weighting scale.All of the basal measurements were taken in the control room, without contributing conversation, communication, or noise from alarms.Levels were taken when the plant was operating at 100%power.The basal readings represented constant noise in the control room from ventilation and equipment. Other sources which were not constant, however, also contributed to the ambient sound level;these may hinder future detection of important signals such as annunciator alarms.Sound sources which were reported by operators as distracting, i.e., the printers and vacuum cleaner, were measured and recorded.Printer readings were taken three feet'rom the source, and vacuum cleaner readings were taken at the operator's desk.Signal Detection-Measurements of dB and octave bands from 250 to 4000 Hz were taken from alarms at the alarm source and at the operators'esk. All readings were TABLE 2.3.1-1 SOUND SURVEY RECORD Work Station Octave Band dB(A)250 500 1K 2K 0K Fire Panel 101-Back 102/103-Back 100/105-Back 106-Back NPS Office RAD Monitor 106-Front 100/105-Front 102/103-Front 101-Front Comm.Desk Operators Desk Printer Door WE Office Line Repeat 60 59 60 60 66 60 68 66 62 61 59 59 58 58 60 59 59 59 58 58 59 59 59 59 58 58 59 59 59 59 59 57 58 58 60 50 65 65 68 58 67 63 61 57 58 50 56 52 62 , 52 60 53 57 51 59 52 58 52 56 52 57 50 59 60 51 57 52 52 00 63 05 57 08 59 55 50 09 09 06 08 00 09.00 09 00 08 05 08 05 08 00 08 00 08 00 09 00 07 00 57 00 Basal Basal Basal Basal Basal Basal Basal Basal Basal Basal Basal Basal Basal Basal Basal Basal Basal Level Level Level Level Level Level Level Level Level Level Level Level Level Level Level Level Level Operators Desk 71 67 69 66 63 56 Noise contributed by vacuum cleaner, at desk.Printer (DDPS-SER) 70 61~62 63 61 62 Printer operating. Comm.Desk 67 58 68 62 59 57 With noise contributed by annunciator audible.CRAC 102/103-Front Line Repeat 80 69 63 66 68 59 59 52 70 59 56 52 82 77 With noise contributed by Control Room Auxiliary'onsole.50 65 With noise contributed by fire alarm.70 71 With noise contributed by Line Repeat audible. '0 8 0 A-weighted. These measurements were compared to the ambient readings to determine whether they were sufficiently different in pitch and volume to be discernible from the background noise.The alarms evaluated were from'he Line Repeat Panel, Control Room Auxiliary Console, Fire Panel, and Main Control Board.Measurements and comparisons to ambient sound level were completed and recorded.Equipment-The sound level meter used was a Genrad Model 1982 with a 1962-9610 microphone. The meter is capable of measuring in dB, dB(A), dB(B)and dB(C)weightings and in octave band ranges from 30 to 16,000 Hz.Operator input was necessary to identify noise sources which may mask audible alarms.A form was used to'ecord readings for ambient sound level, noise sources, and audible alarms.2.3.1.5 Results/Findings -Table 2.3.1-1 summarizes noise levels in the St.Lucie Unit 1 Control Room.Although some areas of the control room had sound levels greater than the recommended maximum (65 dB(A)), they were not part of the primary operating area and only exceeded the maximum by 3 dB(A).Noise created by the vacuum cleaner and printers, however, was 5 dB(A)greater than the maximum when measured in the area around the operators'esk. Although the vacuum cleaner only operates a few minutes a day and may be turned off at the opertors'equest, the printers both operate more frequently during transients and hence will add extraneous noise just at the time when it will have the highest likelihood of masking alarms.Two alarms measured were not sufficiently different from the ambient sound level to prevent them from being masked.Since this exists in conjunction with a slightly excessive ambient sound level, particularly during off-normal conditions, the probability that these alarms will be masked is increased. Overall, the noise environment was assessed to be adequate and to enable audible signal detection and voice communications. Table 2.3.1-2 summarizes the Human Engineering Discrepancy identified by the Noise Survey. TABLE 2.3.1-2 NOISE SURVEY HUMAN ENGINEERING DISCREPANCY (HED)File 8 HED f 6.2.2.3.a Descri tion Similar non-distinguishable auditory signals., Location Control Room 2.3.2 Lighting Survey 2.3.2.1 Objective-The objective of the, Lighting Survey was to ensure that the control room lighting is sufficient to permit, the operator to effectively perform all necessary tasks.The lighting tested includes ambient illumination, reflected luminance, and reflectance throughout'he control room.Ambient illumination was tested under both full AC lighting conditions and full DC lighting conditions. 2.3.2.2 Review Team Responsibilities -Two human factors specialists conducted this survey.Responsibilities included developing the test procedures, conducting the test, and recording and analyzing the data.2.3.2.3 Criteria-Figure 2.3.2-1 summarizes the criteria used in the survey: o Recommended illumination .levels, in'footcandles, as stated in NUREG-,0700 (6.1.5.3)o Recommended reflectance levels, in percentage, as stated in NUREG-0700 (6.1.5;3.f). o Checklist criteria (see Appendix A).2.3.2.0 Task Definition/Methodology -The general procedure for taking photom-eter measurements includes measuring ambient illumination and reflected luminance. A Tektronix Model 316 digital photometer with illuminance and luminance probes was used.Ambient illumination measurements, in footcandles, were taken at all operator work stations.Consoles and panels were measured in approximately two-foot increments in,a grid pattern over the surface evaluated. The probe was placed on the surface area, and measurements were taken under normal and emergency lighting conditions. The readings were recorded on a data sheet reflecting the same grid pattern.., Reflectance of surfaces in the control room was measured using a combination of illuminance and luminance probes with the application of the reflectance formula to the data.The formula employed to derive reflectance is as follows: Reflectance Reflected Luminance Ambient llluminance Presence of glare within the control room was visually examined.2-3.2.5 Results/Findings Ambient illumination levels for the vertical panels at primary operating areas are within acceptable limits;however, illumination levels on bench boards exceed the recommended ranges.However, reducing ambient light on the benchboards would likewise reduce ambient light on the vertical panels where the majority of information (linear Areas Luminance Ragfo Work Area or Type of Task Mini.mum Racom mended Maxi-mum Task lllumlnance, footcandles Task area versus adjacent darker surroundings Task area versus adJacent lighter surroundings Task area versus more remote darker surlacas Task area versus mora remote Ilgher areas Inarles versus surfaces Jacent to!hem Anywhere within normal field of view 1:3 10:1 1:10 Maximum task area luminance ratios.Panels, primary operating area Auxiliary panels Scale Indicator reading Seated operator stations Reading:~Handwritten (pencIIJ~Prfnted or typed Writing and data recording Maintenance and wiring areas Emergency operating lighting 10 75 100 50 100 As above for area/task (Source: Illuminating Engineering Society of North America, fES Lighting Handbook, 1981 Application Volume.)illumination levels Surface.Rellectances Preferred Permissible Calling Upper Wall Lower Wall InstrumentslDlsplays CablnetiConsoles Furniture 80%50%'5 20%80 100%2540/>>30%35%NN5%4040'/i 15 30%2&45%aRecommended rellectances are for finish only.Over~ll average rellectance of acoustic materials may be somewhat lower.The upper walla (one to two feet below the calling)may be painted with the same paint aa la used on the calling.Recommended workplace reflectance levels FIGURE 2.3.2-1 Summary of I.lghtlng Evaiuatlon CriterIa scale displays, etc.)is presented. Therefore, reducing ambient light levels may not be advisable. The illumination levels from NUREG-0700 (6.1.5.3.a) are as follows: o Minimum-20 footcandles o Recommended -30 footcandles o Maximum-50 footcandles. I Large variances exist for illumination levels between vertical panels and bench-boards and between the primary operating area and auxiliary panels.Illumination levels of high variability throughout the control room force rapid pupil accommodation to occur when scanning the control boards or moving from one location to another.Ambient light readings taken at the Remote Shutdown Station indicate levels below recommended guideline ranges.Existing levels range from 6.0 to 22.6 footcandles. Reflectance readings taken at cabinets and consoles all fall within the recommended levels of 20 to 00 percent.DC Illumination System does not provide the minimum acceptable level (10 footcandles) for effective task performance. RTGB 103 is an exception, possibly because of the proximity of the light source.Diesel Generator Emergency AC Illumination was also measured for the condition of loss of all off-site power.This condition included the following subsequent lighting configurations: o A R B Diesel Generator AC lights o A Diesel Generator AC lights with B Battery Bus DC lights o B Diesel Generator AC lights with A Battery Bus DC lights.Table 2.3.2-1 summarizes the Human-Engineering Discrepancies identified by the Lighting Survey.50 TABLE 2.3.2-1 LIGHTING SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 HED 0 6.1.5.3.a Descri tion Ambient light readings for illumination levels are too low.Location Remote Shutdown Panel 39 00 6.1.5.3.a 6.1.5.3.b 6.1.5.3.c 6.1.5.0.c Illumination levels for benchboards are too high.No illumination uniformity from one panel area to another.Lack of supplemental lighting in needed areas.DC illumination levels.are below 10 fc.All benchboards .All vertical benchboards and auxiliary panels Line Repeat Panel;Control Room Auxiliary Console;Post-Accident Panel;Heating, Ventilation, R Air Conditioning; Reactor Protection System All except panel RTGB 103 2.3.3 Environment Survey 2.3.3.1 Objective-The objective of the Environment Survey was to evaluate the control room environment to ensure safe, comfortable, and efficient operation. The assessment included furniture and equipment layout;document organization, use, and storage;supervisor access to the control room;ambience and comfort;temperature; humidity;and ventilation. 2.3.3.2 Review Team Responsibilities -The personnel required to conduct this survey and their responsibilities included: o A human factors engineer responsible for data collection, data analysis, and final report preparation. o Various control room operators, familiar with control room opera-tions and problems, to assist in the assessment of the control room environment. Their input was contributed through informal and formal interview processes. o A technical assistant to aid in the collection of measurements and data.2.3.3.3 Criteria-The following are summarized criteria from NUREG-0700 used to evaluate the control room environment.. Detailed criteria are contained in Appendix A.Furniture and Equipment Layout-Work stations, including desks, consoles, and panels, should be placed and spaced to facilitate unobstructed viewing, movement, and communications. o L-shape, U-shape, concentric, or wing configurations facilitate sight, movement, and communications. o Enough space is allowed to enable a single operator to perform required tasks.A minimum of 60 inches is recommended between a single row of equipment/panel and a wall or other opposing surface.A minimum of 50 inches is recommended between two rows of facing equipment. o A minimum of 3 feet of space is recommended between opposing rows of equipment where more than one operator must work simul-taneously or where kneeling or bending is necessary. Document Organization, Use, and Storage-A good system for organizing and storing documents is recommended to enhance their location and use.All documents should be easily accessible. Documents should be clearly labeled.Supervisor Access to Control Room-The Shift Supervisor's Office should be readily accessible to the control room.52 0 0 0 Temperature, Humidity, and Ventilation o Air temperature at floor level and at head level should not differ by more than 10o F.~o The ventilation system should make up outdoor air into the control room at a rate of at least 15 cubic feet per minute per occupant.Ambience and Comfort-Features to consider in creating a pleasant and com-fortable atmosphere in the control room are: o Color combination o Color and lighting o Visual relief from instrumentation o Comfortable seating o Carpeting. 2.3.3A Task Definition/Methodology -The following procedures were used to evaluate each of the control room environment subcategories. Furniture and Equipment Layout o The control room work stations were determined to include the control room operator's desk;the entire bench console;vertical panels A, 8, and Nuclear Instrumentation System;and the computer printer table.Also examined were entrance/exits from the primary work area and walkspace/passageway dimensions surrounding work stations.o'aintenance and operational requirements were reviewed (to elimi-nate those criteria not applicable to this control room).o Furnishings and equipment were evaluated using the checklist con-tained in Appendix A.Document Organization, Use, and Storage o Plant procedures were the only documents evaluated as these were the only documents stored within the primary area of the control room.o The procedures were evaluated on a sample basis using the checklist contained in Appendix A.Temperature, Humidity, and Ventilation o Temperature and humidity were measured 20 hours2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br /> each at head and floor level using a 7-day continuous circular trend recorder.o Temperature, humidity, and ventilation measurements were com-pared to NUREG-0700 recommended guidelines. 53 Control Room Decor-Operator interviews were reviewed and each feature of control room decor was evaluated and compared to NUREG-0700 recommendations. 2.3.3.5 Results/Findings -In general, the St.Lucie Unit 1 Control Room meets the NUREG-0700 guidelines. Table 2.3.3-1 summarizes the Human Engineering Discrepancies identified by the Environment Survey. TABLE 2.3.3-1 ENVIRONMENT SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File f HED 8 Descri tion Location 6.1.1.3.a 6.1.1.3.(c, d)Panel location/visibility. Control room accessibility. Control Room Auxiliary Console, Radiation Monitoring Panel Control Room Auxiliary Console 8,9 10 6.1.1.3.d 6.1.1.3.f.l 6.1.1.3.f.3 Arrangement of chairs interferes with circulation patterns in control room.The distance from desk to panel does not meet minimum requirements. Opposing panels not suf ficiently separated. RTGBs 101, 102 Reactor Protection System Panel Turbine Panel (Back), Dehydrator Control Cabinet 6.1.1.3.g Openings in the primary panels pose a danger for the entry of unwanted objects.Various 12 6.1.1.0.a.l No procedures stored in Remote Shutdown Control Room.Remote Shutdown 16 26 6.1.1.6.a 6.1.2.3.h.3 Supervisor's Of f ice location.Lack of adequate writing space at console.Supervisor's Of f ice Reactor Protection System Desk 31 6.1.2.7.a Lack of adequate writing space at Primary Operating Desk area.Primary Operating Desk area TABLE 2.3.3-1 ENVIRONMENT SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File II 30 35, 36 37 03 HED f 6.1.0.2.c 6.1.0.2.d 6.1.5.1.a 6.1.5.6 Descri tion Emergency equipment training (fire).Lack of Remote Shutdown Panel operating procedure. The Climate Control System does not provide adequate temperature levels.Inadequate storage space for personal use.Location Fire equipment locations Remote Shutdown Panel N/A Locker area 2.3A Controls and Displays Survey 2.3.0.1 Objective-The purpose of the Controls and Displays Survey was to identify and document Human Engineering Discrepancies associated with the complement of'controls/displays existing at the time of evaluation of controls and displays.2.3.0.2 Review Team and Responsibilities -The review team consisted of two human factors specialists who collected data and documented the discrepancies. Opera-tions personnel available in the control room at the time of data collection answered plant-specific questions regarding the operator-control board interface. 2.3.0.3 Criteria-Criteria for controls and displays are presented in the control and display checklists which consist of NUREG-0700 recommended guidlines that are applicable to control and display evaluation. 2.3.0A Task Definition/Methodology -The Controls and Displays Survey was divided into a number of component-specific checklists (e.g., meters, rotary controls, etc.), each of which was designed to be used independent of all other checklists. All checklist items for a particular control or display type were applied to each component in that class.All components that did not meet a criterion were listed in a Human Engineering Discrepancy discussing the principle violated.All Human Engineering Discrepancies resulting from this survey are listed on the appropriate control room inventory forms, providing Florida Power 8c Light with a list of discrepancies associated with each component. As many checklist items as possible were answered using the photomosaic, thereby reducing time spent on-site and minimizing disruption of control room activities. Questions answered on-site generally required operator input or visual clarity not available from the photomosaic. 2-3.0.5 Results/Findings -For the detailed assessment of control and display design, approximately 100 Human Engineering Discrepancies were generated. These are introduced in Table 2.3.0-1.57 TABLE 2.3.0-1 CONTROL R DISPLAYS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 HED f Descri tion Location 6.0.l.l.a.2 Guarded controls/ease of adjustment. Reactor Protection System 19 6.0.1.l.b.l 6.0.l.l.c.2 6.0.1.1.e.l 6.0.1.2 Unguarded/unnecessary control.Inappropriate control type, human suitability. Label maintenance, integral labels.Pushbut ton separation. Reactor Protection System, Remote Shutdown Panel, RTGB 100 H2 Analyzer Various Radiation Monitoring Panel 20 21-25 26-29 30-30 36 6.0.1.2.c.l 6.0.1.2.e 6.0.2.1 6.0.2.1.g 6.0.2.2.b 6.0.3.1.c 6.0.3.3.a Guard interference, control.Low resistance to control movement.Direction of control movement.Control/display movement convention. Component position consistency. Control surface not frictionalized. Legend light/pushbutton not discriminable. Various RTGB 100 Remote Shutdown Panel RTGBs 102, 103, 105, 106 Radiation Monitoring Panel Radiation Monitoring Panel Radiation Monitoring Panel TABLE 2.3.0-1 CONTROL R DISPLAYS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 Descri tion 50 52-60 61-68 69 70, 71 72/73 70, 75 76 77 78-80 81-83 6.0.3.3.b.l 6.0.3.3.b.3 6.0.3.3.e.5 6.0.0.3.b 6.0.0.3.d 6.0.0.3.e 6.0.0.3.f 6.0.0.0.b 6.0.0.5.b.l 6.0.0.5.b.0 6.0.0.5.c 6.0.0.5.d.l 6.0.0.5.d.2 Inadequate legend light contrast.Inadequate legend pushbutton contrast.Excessive pushbutton resistance. Orientation of switch key."Off" not vertical for keyswitches. Keyswitch key removal.Missing control position labels.Scale pointer contrast and visibility. Controls lack deten't/actuation feedback.Discrete rotary control format, 360 0 control positioning. Fixed pointer/moving scale displays.Lack of display pointer visibility. Parallax from scaled display pointer.Pasqual Panel RTGB 101 Reactor Protection .System All panels Control Room Auxiliary Console;RTGBs 102, 103, 105, 106 Control Room Auxiliary Console;RTGBs 102, 103, 105, 106 Reactor Protection System, RTGB 101 RTGBs 102, 100 RTGBs 102, 103 RTGB 101 RTGB 102 Operating Panels Reactor Protection System TABLE 2.3.0-1 CONTROL R DISPLAYS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 80, 85 8-16 17, 19-22 20-31 32/33 39, 00 01-50 51-55 56 59 72 HED P 6.0.0.5.e.3 6.5.1.1.b 6.5.l.l.c 6.5.l.l.e 6.5.1.1.f 6.5.1.2.a 6.5.1.2.(b, c)6.5.1.2.d.(l, 2)6.5.1.2.e 6.5.1.3.b.2 6.5.1.3.d.3 6.5.1.5 Descri tion Rotary control dimensions, gripping surface.Parameter units not labeled.Unnecessary information.. Control position displayed, not equipment response.Display failure not apparent.Units of measurement/scale size.Use of decimal graduations, rather than integer.Incorrect/inadequate scale face.Scale size, markings, and information transformations. Inconsistent numeral size.Control difficult to use.Format of scale graduation. RTGBs 102-106 Various Various Various Various RTGBs 101-106 RTGBs 102, 100 Various RTGBs 102, 105;Remote Shutdown Panel;back of RTGBs 102, 103 RTGBs 102, 103, 106 Radiation Monitoring Panel Control Room Auxiliary Console;RTGBs 102, 103, 105 TABLE 2.3.0-1 CONTROL R DISPLAYS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 HED 0 Descri tion Location 73 75 76 77-80 6.5.1.5.a 6.5.1.5.a.l 6.5.1.5.a.3 6.5.1.5.b 6.5.1.5.c Format for quantitative scales.-More than nine minor marks between numbers, linear scales.Scale format, lack of intermediate graduations. Scale format, graduation mark dimensions.. Scale increments. RTGBs 101, 102, 103, 106;Post-Accident Panels A8(B RTGBs 101, 102, 103, 105, 106 Reactor Protection System RTGBs 101-105 Post-Accident Panel, RTGBs 100-106 81-88 90-92 113 110, 115 116-130 6.5.1.5.d 6.5.1.5.(e, f)6.5.1.5.f 6.5.1.2.(b, c), 6.5.2.2.a.2 6.5.2.2.b.l 6.5.2.2.b.2 Scale markings inconsistent.- Incompatible scales.Multiple scales/single pointer.Numbers increase top-to-bottom; right-to-lef t.Pointer obscures information. Pointer too wide.Display pointer parallax.Various RTGB 105 RTGBs 101, 103, 100 RTGB 103, and back of RTGBs 102, 103 All panels RTGBs 102, 105 Control Room Auxiliary Console, Remote Shutdown Panel,.RTGBs 101-106 TABLE 2.3.0-1 CONTROL R DISPLAYS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 135-139 153-166..167-169 170 171-173 170-177 195, 196 206-207 208 209-211 210, 215 HED 0 6.5.2.2.c 6.5.2.3.a 6.5.2.0.b.2 6.5.2.0.c.l 6.5.2.5.6.5.3.1 6.5.3.l.c.l 6.5.3.2.a.l 6.5.3.3.a.2 6.5.3.3.a.3 6.5.0.l.a Descri tion Pointer visibility. Set point coding inconsistency. Null point orientation. Incorrect scale face.Fixed pointer/moving scale.Pointers obscure indicator (set point)lights.Light extinguishment denotes malfunction. Indicator light meaning ambiguous. Unlit legned legibility. Legend cover inadequate readability. Recorder readability. Location Remote Shutdown Panel;Reactor Protection System;Post-Accident Panel;RTGBs 102, 103 RTGBs 101, 102, 103, 106 RTGBs 101, 102, 103, 106;Line Repeat RTGB 101 RTGBs 102, 103, 105;Remote Shutdown Panel RTBGs 102, 103, 105, 106 RTGB 101 Control Room Auxiliary Console, RTGB 105 Reactor Protection System RTGBs 103, 100 RTGB 101, Radiation Monitoring Panel 0 TABLE 2.3.0-1 CONTROL R DISPLAYS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File II 216-222 223 220 230 235, 236 208-250 251 252-250 255 256 257 HED 8 6.5.0.l.b 6.5.0.1.c 6.5.0.1.d 6.5.0.1.g 6.5.0.1.i 6.5.0.2.a.2 6.5.0.2.b.l 6.5.0.2.b.3 6.5.0.2.b.0 6.5.5.1 6.5.5.1.a.3 Descri tion Recorder paper/scale mismatch.Greater than nine minor marks, Trend Recorders. Recorder paper take-up.Marked/actual time, recorder stamping.Recorder speed adjustability. Unidentified Recorder pen colors..Channel/scale overload.Recorder readability. Recorder channel selection. Incorrect mimic.Grouping of display numerals.RTGBs 101-105, Control Room Auxiliary Console, Post-Accident Panel, Radiation Monitoring Panel Radiation Monitoring Panel RTGB 101 All panels All panels RTGBs 101, 100, 105;Radiation Monitoring Panel, Post-.Accident Panel RTGBs 101, 102, 106;Radiation Monitoring Panel RTGBs 101, 102, 106 All panels Remote Shutdown Panel RTGB 101 TABLE 2.3A-l CONTROL R DISPLAYS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File II 261, 262 259 260 261, 262 263, 260 265 HED 4 6.5.5;l.a.5 6.5.5.l.c.l 6.5.5.2.a.2 6.5.5.2.a.5 6.5.5.2.b 6.5.5.2.c 6.8.3.1 Descri tion Display glare and reflectance. Counter drum movement.Character style.Separation between numerals (counter). Readability/rate of motion.Display contrast.Controls dose together.Location RTGB 101=RTGB 101 RTGB 103 RTGB 105 Reactor Protection System RTGB 100-RTGB 100 TABLE 2.3.5-1 CONVENTIONS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)HED 0 Descri tion Location 35 6.0.2.2.a Rotaries differentiated by types do not reflect a different function, system, etc.RTGBs 102, 105, 106 37-00 51 69 6.0.2.2.d 6.0.2.2.e 6.0.0.1.b 6.5.1.0.d There is an absence of shape-coding for those controls that must be blindly manipulated. Rotating knobs for different control actions not distinguishable by sight and touch.Arrays of controls for widely different functions not distinguishable. Absence of plant conventions and consistency for the use of abbreviations. All panels RTGB 100, Reactor Protection System RTGBs 105, 106 N/A 93-97 6.5.1.6.c.l Inconsistent application of color coding based on NRC conventions. All panels99-108 6.5.1.6.c.2 6.5.1.6.d.(1, 2, 3)Red, green, and amber are not reserved for conventional meanings.Inconsistent application of color coding based on FPRL conventions. All panels All panels 100-152 212-213 6.5.2.3 6.5.3.3.c Lack of scale face coding to enhance recognition of particular operating bands.Designs of functionally different components are highly similar.All panels All panels 0 2.3 5 Conventions Survey 2.3.5.1 Objective-The objectives of the Conventions Survey were to: o Identify plant conventions o Determine if they are acceptable by human factors standards o Locate deviations from convention. 2.3.5.2 Review Team Responsibilities -The evaluation team was composed of a human factors specialist and a control room operator as required to supply information. Responsibilities included the collection and analysis of measurements and data.2.3.5.3 Criteria o Components and.system arrangement for ease in locating components and conducting accurate operation per NUREG-0700 guidelines. o Coding system (including size, shape, and color coding)and use of symbols, signals, and abbreviations for uniformity and appropriate applications throughout the control room per NUREG-0700 guide-lines.2.3.5A Task Definition/Methodology Interview-Control room operations personnel were interviewed to determine what conventions exist in the control room related to arrangement of systems and components, coding, abbreviations and acronyms, and control operation. It was also determined whether or not confusion existed due to certain conventions, deviations, or lack of conventions. Sample-A sampling of components, systems, labels, and other performance aids were used to verify interview findings.If 50%or more of each group were similar in arrangement, coding, and operation; then a convention was assumed to be established. Any deviation was reported, as well as lack of convention. Checklist-A checklisting procedure was employed to determine if existing conventions are acceptable by human factors standards. Some items required operator assistance. 2.3.5.5 Results/Findings -Florida Power R Light has a color coding convention which is somewhat consistent with the NUREG-0700 coding convention, however, majorative meanings attached to specific colors are not always applied as such.Another application of coding in the St.Lucie Unit 1 Control Room entails use of color dots on panel components to'denote nominal equipment (e.g., valves)status for different levels of safety feature activation (i.e., safety injection, containment isolation, safety injection recirculation, etc.).This system was consistently and reliably applied and seems to be an effective coding and job-aiding technique. 66 0 0 0 Given contextual information in the use of color coding, the coding at the St.Lucie Unit 1 Control Room is not necessarily error-inducing. Divergent coding techniques are bascially consistent from application to application (e.g., radiation color meanings are consistent on the Radiation Panel, Reactor Protection System Panel color'meaings are consistent, etc.).Table 2.3.5-1 summarizes Human Engineering Discrepancies identified by the Conventions Survey.67 TABLE 2.3.5-1 CONVENTIONS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 18, 19, 21-23 26-36 37-39 HED 8 6.8.2.1.(a.2, a.3, c)6.8.2.2.(a, b)6.8.2.3.a Descri tion Displays are not arranged in the conventional operating sequence.Displays are not arranged in the conventional operating sequence.Functionally similar controls are not similarly located.Location All panels All panels RTGBs 103, 106 50 6.8.3.2 Large matrices of similar components are not RTGBs 102, 103, 105, 106 subdivided by demarcation or other method. 2.3.6 Process Computer Survey 2.3.6.1 Objective-The objective of the Process Computer Survey was to evaluate the system hardware and operational characteristics of the process computer user-system interface. Included in this evaluation were the Digital Data Processing System, Sequence of Events Recorder, Fire Panel, Radiation Monitor Console, and Metrascope. Sequence of Events Recorder-The Sequence of Events Recorder is located in the primary operating area and has an'output capacity of approximately 120 characters per~second (CPS).The backup printer is a teletype located behind the main control panels.Events are printed in the following format on both printers: NORMAL DAY: YEAR HOUR:MINUTE SECOND:MILLISECOND POINT//EVENT DESCRIPTOR ABNORMAL Digital Data Processing System-The Digital Data Processing System is a Fisher and Porter system designed to perform calorimetric and xenon calculations, monitor CEA position, monitor and control movable incore detectors, and provide various parameter values.Operators interface with a console and a medium speed printer located next to the Reactor Protection System.All other parts of the system (teletype, card reader, etc.)are located behind the main control boards.Metrascope -The Metrascope, located on RTGB l00, is a CRT which displays control rod position and Power Dependent Insertion Limit!Pre-Power Dependent Insertion Limit.It has two controls: a cursor to select an individual rod for display of position and a discrete rotary which is associated with display of the Power Dependent Insertion Limit/Pre-Power Dependent Insertion Limit.Fire Panel-The Fire Panel is a Honeywell system which consists of a printer, keyboard, and projection display with a slide file, and is located beside the Post-Accident Panel.Data may be accessed using the keyboard, with the printer functioning as the only output device.Points may be printed by group or individually, and all out-of-tolerance conditions are printed at the time the signal is received and again on the hour as long as they remain out-of-tolerance. Data are printed in the following format: Three-character problem descriptor Two-digit unit identifier Two-digit channel identifier Two-digit area identifier The problem descriptor will be one of'hree types: FA.(fire), ALM (short in circuit or detector taken out of service), or TBL (failed detector). The last four digits are used with a chart found in the system procedure (OP 1800021)which lists slide numbers and area 69 I descriptors. The operator must use the list to determine the location of the problem and, if a picture of the area is necessary, the slide number.The slide number is then selected on the projection display and a map of the area is shown.The audible alarm is located above RTGB 100 and alerts operators to an abnormal condition. The operator must then go to the Fire Panel and silence the control room alarm.An alarm also sounds in the area of the fire and must be silenced locally.The control room operator therefore dispatches someone to investigate the situation and to silence and reset the local alarm.Radiation Monitor-The Eberline Microcomputer Controlled Radiation Monitoring System i's located near the Nuclear Plant Supervisor's office.Operators interface with an operating console which has an integral printer and a panel containing meters and trend recorders. The system monitors radiation and contamiriation levels.Abnormal conditions precipitate an audible alarm and printout of the descriptor and parameter value.The system which has been installed within the last year supplements, and has partially replaced, the existing Victoreen panels.The console consists of two keypads, one with instruction keys and the other with data keysfour legend lights and one legend pushbutton; and various key switches and rotary controls.The console also contains a printer using paper approximately three inches wide.2.3.6.2 Review Team-The review team included human factors engineer, control room operators, and in some cases the instrumentation and control engineer responsible for the system under evaluation. Operation and interpretation of the Digital Data Processing System and Sequence of Events Recorder will be similar between St.Lucie Units 1 and 2;therefore, the computer-cognizant engineers at St.Lucie Unit 2 were interviewed to supplement information supplied by St.Lucie Unit 1 control room operators. 2.3.6.3 Criteria-.Applicable criteria are from Section 6.7 NUREG-0700, and are h detailed in the Process Computer Checklist (see Appendix A).2.3.6.0 Task Definition/Methodology -Computer-cognizant instrumentation and control engineers were questioned about system hardware and software.They were asked both to describe input methods and interpret data to output.A copy, of hourly logs was obtained when possible.Applicable checklist sections were referenced at each step to obtain appropriate criteria.Printer outputs were evaluated for format.Control room operators were asked to describe their interactions with the system~(e.g., when and how they access data and how they use the information they obtain).The system was then evaluated in terms of its suitability to meet operational requirements. 70 The computer system was evaluated using operating procedures and printouts and interviews with computer-cognizant instrumentation and control engineers and operators. When available, computer operating procedures were also evaluated to ensure that they provide sufficient information to allow a trained operator to use the system.Human Engineering Discrepancy reports were written detailing all discrepancies noted.2.3.6.5 Results!Findings -Overall the computer system discrepancies identified stem from the detailed design of the vendor components. Many discrepancies, however, concern issues such as switch positioning, layout, etc.A number of Human Engineering Discrepancies were generated by the Process Computer Survey and are summarized in Table 2.3.6-1.71 TABLE 2.3.6-1 PROCESS COMPUTER SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File f 1, 2, 3 HED 8 6.1.1.1.b 6.1.1.2.a 6.7.1.0.b Descri tion Panel location outside primary area.Control room task assignments. Pushbutton arrangment. Location Radiation Monitoring Panel, Fire Panel Radiation Monitoring Panel Internals Vibration Monitor 5,6 6.7.1.0.1 6.7.1.5.d.1 6.7.1.5 d.2 6.7.1.8.a.l 6.7.1.8.a.O.b 6.7.1.8.a.O.c Unused pushbut tons.Key grouping layout.Distinguishability of various keys.Computer use procedure availability. Keys not discussed in procedure. Procedure content, comprehensibility. Digital Data Processing System Digital Data Processing System Digital Data Processing System Digital Data Processing.System, Sequence of Events Recorder, RTGB 100 Fire Panel Digital Data Processing System TABLE 2.3.6-1 PROCESS COMPUTER SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 10 12 16 20 21 HED 8 6.7.1.8.a.S 6.7.1.8.b.l 6.7.2.1.a 6.7.2.1.(a, b)6.7.2.l.c.2 6.7.2.1.c.O 6.7.2.l.h 6.7.2.2.f.l 6.7.2.2.f.2.d 6.7.2.0.n 6.7.2.7.b Descri tion Computer failure.Labeling of alarm groups.CRT contrast, brightness readability. CRT readability and rpflected glare.CRT ambient illuminiation and character , color.CRT screen luminance. CRT adjustability. CRT character and line separation. CRT message readability. Inconsistent label placement. Usability of information. Location Radiation Monitoring Panel, Digital Data Processing System, Sequence of Events Recorder, Fire Panel Sequence of Events Recorder RTGB 100 RTGB 100 RTGB 10IF RTGB 100 RTGB 100 RTGB 100 RTGB 100 RTGB 100 RTGB 100 TABLE 2 3.6-1 PROCESS COMPUTER SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 22-20 HED 8 6.7.3.l.c Descri tion Printing of non-existent points, decoding and interpretation requirements. Location Radiation Monitoring Panel, Digital Data Processing System, Fire Panel 25 6.7.3.1.d Printer speed insufficient. Sequence of Events Recorder 26, 27, 28 29, 30 6.7.3.2.e.2 6.7.3.1.e.3 Printer lacks positive indication that paper is running out.Lack of printer paper reloading instructions. Radiation Monitoring .Panel, Digital Data Processing System, Sequence of Events Recorder, Fire Panel Radiation Monitoring Panel, Fire Panel, Digital Data Processing System, Sequence of Events Recorder 31 6.7.3.l.f.l Printed data visibility. Radiation Monitoring Panel, Sequence of Events Recorder 32 6.7.3.l.f.O Recorded matter obscured by noise attenuator. Radiation Monitoring Panel 33 6.7.3.2 Content of alarm messages, information meaning is not apparent.Sequence of Events Recorder TABLE 2.3.6-1 PROCESS COMPUTER SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 30 35 36 HED 8 6.7.3.3.d.l 6.7.3.3.d.2 6.7.3.3.d.3 Descri tion Table horizontal spacing.Table vertical spacing.Spacing between columns/indexing. Sequence of Events Recorder Sequence of Events Recorder, Digital Data Processing System Sequence of Events Recorder 2.3.7 Emergency Garments Survey 2.3.7.1 Objective-The objective of the Emergency Garments Survey was to identify Human Engineering Discrepancies associated with the use of emergency garments and breathing apparatus. Using checklists drawn from NUREG-0700 and a standard rhyme test, the emergency garments and breathing apparatus were evaluated. The evaluation consisted of anthropometrics, communications while wearing breath-ing apparatus, storage and placement of emergency gear in the control room, the ease of access to and donning of emergency gear, and operation of the control boards while wearing emergency clothing.2.3.7.2 Review Team Responsibilities -The evaluation team was composed of two Essex Corporation staff members, one utility staff member from the Health Physics Department, and one control room operator.The Essex staff, composed of research scientists and associates, served as human factors specialists. Utility'Health Physics personnel functioned as operations specialists and evaluation process expediters. The experience of the control room operator aided in identification of plant-specific discrep-ancies relevant to the survey.2.3.7.3 Criteria-The control room emergency garments should not restrict the control room operator from performing assigned tasks.Operator Protective Equipment o Types of Equipment-Protective equipment includes protective clothing and breathing apparatus. 'o Anthropometry -Protective clothing and breathing equipment are compatible with operator body size and tasks to provide adequate tactile sensitivity and ability to see, reach, move, communicate, and hear.o Periodic Checks-Operator protective equipment is periodically checked to determine if it is in good condition. o Quantity-Protective equipment is available in sufficient quantities and sizes for the required number of operators. o Marking-Protective clothing sizes are clearly identifiable. o Expendables -There is an adequate supply of personal protection equipment expendables, such as filters.o Accessibility -All protective equipment is easily and readily accessible. o Training-Operators are well practiced in donning protective equip-ment.o Procedures -Instructions for donning, doffing, and controlling per-sonal protective equipment are provided.76 Emergency Communications -Voice Communications with Masks o Emergency face masks are equipped with diaphragms that are specially designed to transmit speech.o The diaphragms separate voice from exhaust valve action.o If not equipped with diaphragms, masks are equipped with electronic speech systems which pick up the voice with an internal microphone and transmit it to a loudspeaker attached outside the mask.2.3.7.0 Task Definitions/Methodology -A human factors specialist with Health Physics training observed and timed Health Physics personnel dressing out in anti-contamination clothing.Overall time and task times, along with pertinent human factors observations, were recorded.A touch-and-feel test for the identification of an assortment of hand-held objects was conducted with a subject wearing anti-contamination gloves.A subject was observed donning the breathing apparatus. Overall time and task times along with pertinent human factors observations were recorded.A modified rhyme test requires a subject (listener) to identify a set of spoken words from a list of phonetically similar (rhyming)words.A modified rhyme test was conducted with the talker'wearing the breathing apparatus mask to test the intelligibility of speech when attenuated by the mask faceplate. The test was then repeated using a mask equipped with an electronic speech system.The talker's instructions used during the test were: l.Each list V/AS PRESENTED BY the following statement:,"This is test", where the blank was replaced with the list identification letter found at the bottom left corner of the Talker's List.2.Each word was embedded in the carrier sentence"Please circle in group", where the first blank was the target word from the Talker's List and the second blank-was the word group number from the corresponding Listener's Sheet containing the target word.3.The presentation rate was approximately 0 seconds between target words.77 2.3.7.5 Results/Findings -Since the emergency equipment used in the St.Lucie Unit 1 Control Room is identical to that used in the St.Lucie,Unit 2 Control Room, the evaluation was conducted only once.Therefore, the results and findings for this survey presented in both the St.Lucie Unit 1 and St.Lucie Unit 2 Detailed Control Room Design Reviews are the same.Table 2.3.7-1 summarizes Human Engineering Discrepancies identified during this survey.When reviewing findings in this survey, the following should.be considered: The St.Lucie Unit 1 Control Room is environmentally protected from the external environment; therefore, the use of anti-contamination clothing is not antici-pated.In addition, there are=no technical specification requirements for anti-contamincation clothing in the control room.Control room uninhabitability due to fire is the only postulated event requiring emergency protective equipment. Below general results and conclusions are discussed. Anti-contamination clothing dressout was accomplished in a total of 5.11 minutes, with individual task times as follows: o Overalls-0.38 minutes o Boots and tape up-1.16 minutes o Gloves and tape up-3.17 minutes.Hand-held objects such as pencils, pens, and pocket knives were identified correctly. Only coins could not be identified by size due to the lack of tactile feedback.Digit accommodation in gloves was observed.It was found that the small finger is too short, the large finger is too long, and the glove does not sit on finger webbing.Donning the breathing apparatus required 3.30 minutes, with individual task times as follows: o Out of case-1.30 minutes o Don beathing apparatus and adjust harness-1.24 minutes o Don mask and adjust air flow-0.36 minutes.It was found that while wearing respirators and air packs, vision is blurred, and restricted vision occurs with a loss of peripheral vision.Communication is unclear.The defogger does not function well since the mask fogged up immediately. The results of the modified rhyme test indicated that speech intelligibility is highly impeded by the face mask as presently used on the Scott Air Pack;56%of the words spoken were correctly identified. The mask significantly muffled and attenuated the spoken words.At a distance of 5 feet the voice level of the speaker with the mask on was 55 dB;the voice level of the speaker without the mask was 65 dB.The mask does not incorporate an amplifier or diaphragm y ith which voice communication could be improved.There are no written procedures for donning and controlling protective clothing.However, donning and doffing protective clothing is addressed as part of the training program.Controlling protective clothing is the responsibility of the Health Physics Department. In addition, storage of protective garments can be confusing for those dressing out because garments are not grouped as a package or organized by size.Based on the modified rhyme test, it was concluded that communication functions while wearing protective gear are impeded.The usability of communications equipment is not compatible with the present design of the face mask and the Scott Air Pack.This is partially due to the lack of a diaphragm or electronic speech device to separate voice from exhaust valve actions.79 0 TABLE 2.3.7-1 EMERGENCY GARMENTS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 32 33 HED 8 6.1.0.1.(e, g)6.1.0.l.i 6.2.1.8.b Descri tion Sizes for protective garments are not grouped or organized to afford easy access.No provision for procedures/instructions for doffing, donning, and controlling protective equipment. Communications functions are impeded while using protective gear.N/A N/A N/A Location 6,7,10 6.0.l.l.d Control identification is impeded while wearing protective gear (gloves).All panels 8,9 11-17 6.0.I.I.d.(I, 2)6.0.l.l.d.2 Identification and operation of instruments is impeded while using breathing mask.Control use is impeded with emergency clothing (gloves).All panels All panels 2.3.8 Labels Survey 2.3.8.1 Objective,,- The objective of the Labels Survey was to determine the appropriateness and clarity of labeling in the'ontrol room to enhance operator performance. 2.3.8.2 Review Team Responsibilities -A human factors specialist was responsible for data collection, analysis, and report preparation. A control room operator was required to assist in collecting the necessary information and to advise the human factors specialist of problems that have been encountered. 23.8.3 Criteria-The criteria used for the labeling survey are contained in the labels checklist and are presented in Appendix A of this report.2.3.8.0 Task Description -All components, panels, and systems requiring identifi-cation and manipulation were examined to ensure that they were labeled, as were the positions of all discrete controls.In addition, the location and orientation of each label were evaluated for readability and consistency. Panels without hierarchical labeling were identified. Label content was reviewed for clarity, brevity, and spelling.Label readability was evaluated. Measurements included character height, width, width-to-'height ratios, and visual angle subtended at the eye;stroke width-to-character height ratios;space between characters, words and lines;and character-to-background contrast.Type style was assessed for consistency, simplicity, and use of all capital letters.Components with unique labeling requirements (e.g., contrast on electronic counters)were evaluated. Temporary labels, including equipment"tag-outs", were assessed to ensure that they conform with human engineering criteria applied to permanent labels.The procedure for adding a temporary label to the board was evaluated. 2.3.8.5 Results/Findings Need for Labeling-Many components lack sufficient descriptive labeling, and some have only temporary dynatape labels.Several Trend Recorders are missing legend cards to identify the pen's numerical or color coding.It is recommended to employ hierarchical labeling which graduates label letter heights to represent the hierarchy of components, their parts, and their functional grouping.In other words, letter size on group labels would be largest followed by component labels with 25%smaller letter size followed by switch position labels with 25%smaller letter size than the component label.A design of this type was not found.Label Location-It was found that some labels are positioned above components, others are positioned below or to the side of components. This is inconsistent and is a source of confusion in locating and identifying components. Labels are not always located close enough to the corresponding component, causing potential errors in identification. .)In some instances adjacent labels appear to be continuous due to their close proximity. These particular observations exist primarily due to space limitations on the panels.It was also observed that labels are not always mounted securely, or they are not positioned to prevent visual obstruction by a component door.It was found that some displays have labels or calibration stickers placed on the display face which may obscure information. Also identified was a particular control handle design which obscures position labels due to its size and dimensions; however, this problem may be, in some cases, alleviated by relocating and enlarging the labels.Label Content-Labels often lack sufficient content or have inaccurate or ambiguous descriptions. Other labels contain excessive or unnecessary information. Word selection should be brief, but clear.It was found that some control positions are unlabeled. Labels have inconsistent abbreviations and use abstract symbols which may lead to different interpretations. Maintenance -It was found that permanent labels have become dirty from the collection of grime and dust, and administrative procedures for periodic cleaning are lacking.This condition significantly reduces readability. In addition, these labels do not conform to human engineering standards such as secure mounting, readability, and placement to preclude the obstruction of adjacent components. Label Format and Readability -It was found that overall there is an absence of standards for label lettering including height and size.Character heights vary from one component to another, and lower case letters are sometimes used.The character size is generally inadequate for the maximum viewing distance.It was also found that inadequate character heights, stroke widths, and spacing between lines significantly reduces readability. Finally, it was found that low character-to-background contrast, C particularly on the legend lights, prevents ease and accuracy in label reading.Location Aids-There is minimal use of location aids.The use of demarcation, color, and mimics is highly desirable and has been proven to enhance operator perfor-mance.Demarcation lines are quite useful to enclose functionally-related groups of components, thereby reducing operator search time and identification errors.It was found that the use of a mimic on RTGB 101 and the Line Repeat Panel is effective in aiding operator performance. However, the design of the mimics is incomplete. Flow directions are not clearly indicated, and none of the origin and termination points are labeled.82 The employment of summary labels, standardized abbreviations, and standardized label, characteristics; incorporation of location aids, where possible;and standardization of label placement where space and viewing angle allow will alleviate the majority of problems associated with the St.Lucie Unit 1 Control Room labeling.Implementation of the above will provide the control room operator with a much more usable labeling and locating system..Table 2.3.8-1 provides summaries of Human Engineering Discrepancies identified by the Labels Survey. TABLE 2.3.8-1 LABELS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 57 60-65 66, 67 70 HED 8 6.5.1.3.c.2 6.5.1.1.(e, e.l)6 5.1.3.d 6.5.1.0.a 6.5.1.0.b 6.5.1.0.c 6.5.1.0.f Descri tion Insufficient label contrast.Label inaccurate; displays control position, not.equipment status.Inadequate character dimensions and spacing.Units of measurement not visible.Manufacturer's name on display face.Labeling is redundant. Missing units of measurement or required transformations. Location All panels Reactor Regulator System Radiation Monitoring Panel RTGB 101, Post-Accident Panel All panels RTGB 101-RTGB 102 237-202 203-207 209 1-13 6.5.0.l.k 6.5.0.2.a.l 6.5.0.2.a.2 6.6.1.1 Label obscures information. Pen color labeling.Ink color identif ication.Label absent, inconsistent, incomplete. RTGBs 101-100 RTGB 100, Post-Accident Panel A, Radiation Monitoring Panel RTGB 103 RTGBs 101, 102, 103, 100 106;Line Repeat Panel;Radiation Monitoring Panel TABLE 2.3.8-1 LABELS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs).File 8 10-16 HED 8 6.6.1.2.a.2 Descri tion Lack of group labeling.Location Line Repeat Panel, Post-Accident Panel, Radiation Monitoring Panel 17 18-29 30-00 01-06 07, 08 6.6.1.2.a.3 6.6.1.2.b.(1, 2, 3)6.6.2.1.a 6.6.2.l.d 6.6.2.1.f Component level labeling.Hierarchical labeling.Inconsistent label placement. Remote Shutdown All panels All panels Adjacent labels appear continuous. RTGBs 102, 105 Label proximity to one another and component. All panels 50-50 55 56-61 6.6.2.2.a 6.6.2.3.a 6.6.2.0 6.6.2.0.a Labels coming off.Label orientation. Labels not visible.Label obscures information. Reactor Protection System RTGBs 101, 102, 103, 105, 106 Annunciator Pushbuttons RTGBs 101-106, Post-Accident Panel 62--73 6.6.2Ã.b 6.6.2.0.c Label concealment. Label not visible.All panels Control Room Auxiliary Console TABLE 2.3.8-1 LABELS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 75-77 78-89 90-97 99 100-108 HED 8 6.6.2.0.d 6.6.3.1.(a, b)6.6.3.2.(a, b)6.6.3.2.d 6.6.3.2.f 6.6.3.3.(a, b)Descri tion Label maintenance. Label incomplete, unclear, inaccurate. Content excessive or inadequate. Inconsistent wording.Label spelling.Inconsistent abbreviation R labeling.Location All panels RTGBs 101, 102, 103;Line Repeat Panel;Feddwater Regulating Rack RTGBs 102, 103, 106;Reactor Protection System Radiation Monitor RTGB 102 Post-Accident Panel;Reactor Protection System;RTGBs 102, 103, 100 109 110 6.6.3.0.a 6.6.3.0.b 6.6.3.5 112-119'.6.3.6 120-125 6.6.3.7.a Use of abstract symbols.Letter/label number not distinguishable. Unnecessary information. Labels highly similar.Lack of functional group label.RTGB 101 All panels RTGB 101 All panels All panels TABLE 2.3.8-1 LABELS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)126-129 130-130 135, 136 137 HED f 6.6.3.7.b 6.6.3.8.a 6.6.3.8.b 6.6.3.8.c Descri tion Group label placement. Unlabeled control position.Unidentified direction of motion.Position label obscured.Location RTGBs 101, 100, 105 Line Repeat Panel;RTGBs 101, 103, 106;Reactor Protection System;Radiation Monitoring Panel All panels, Remote Shutdown Control Room Auxiliary Console 139, 100 101-150 151-156 157 158 159, 160 161 6.6.0.1.a.l 6.6.0.l.a.2 6.6.0.1.b.l 6.6.0.2 6.6.0.2.a.l 6.6.0.2.(c, d)6.6.0.2.d.(1, 2)Inadequate character heights for maximum-viewing distance.Character heights vary.Lettering contrast.Label spacing/stroke width.Use of lower case lettering. Label spacing and stroke width.Label not readable.RTGB 101 RTGBs 101, 102, 105, 106 RTGBs 102, 103, 100, 105 All panels RTGB 101'll panels RTGB 102 TABLE 2.3.8-1 LABELS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 162 163, 160 165-172 173, 170 175-177 178-181 10-16 HED 8 6.6.0.2.d.3 6.6.5.i.a 6.6.5.1.(a, b)6.6.5.1.(d -b)6.6.5.2.(a, b)6.6.6.0.b.(0, 5)6.8.1.3.(b -d)Descri tion Inadequate line spacing.Use of temporary labels.Use of temporary labels.Use and control of tag-out labeling.Use and control of temporary labeling.Incomplete mimic.Mimic arrangement incomplete. All panels RTGB 101 All panels All panels All panels RTGB 101 RTGB 101 2.3.9 Annunciator Survey 2.3.9.1 Objective-The objective of the Annunciator Survey was to assess the operability and usability of the system using the guidelines outlined in NUREG-0700, and to document and assess all resulting discrepancies. 2.3.9.2 Review Team ResponsibiTities -The members of the review team included I a human factors specialist to conduct the annunciator survey;a nuclear operations specialist to supply plant systems information (i.e., interrelationship of various compo-nents, the impact of loss of a pump on plant operations); and a plant instrumentation and control engineer to answer questions, provide information, and obtain any necessary documentation for completion of this task.2.3.9.3 Criteria-The criteria used to evaluate the annunciator system are described in the Annunciator Checklist. The specific criteria for each subtask are contained in Appendix A.2.3.9.0 Task Definition/Methodology -This survey was conducted by: 1)applica-tion of checklists, and 2)by verification of operator concerns identified during operator interviews. The checklists were separated into two major parts: visual displays and auditory warnings.These checklists addressed maintainability, identification, coding, operation, and arrangements of the annunciator system.The checklisting was designed to be conducted on-site.Operations personnel were interviewed about the system, and were asked to demonstrate the alarm systems operability. Observations and notations were recorded on the checklist sheets.For those items found to be in conflict with checklist criteria, Human Engineering Discrepancy reports were written.2.3.9.5 Results/Findings -Table 2.3.9-1 presents Human Engineering Discrep-ancies identified by the Annunciator Survey.The annunciator system, in general, is not designed to optimize human performance. Implementaiton of enhancements such as priority coding, re-engraving to enhance readabiltiy, etc., should significantly improve operator performance. 89 TABLE 2.3.9-1 ANNUNCIATOR SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 0,5 6 10, 11 12 13, 15 16, 17 HED 8 6.3.1.2.a.l 6.3.1.2.a.2 6.3.1.2.b.l 6.3.1.2.c 6.3.1.3.a.l 6.3.1.0 6.3.1.5 6.3.2.2.a 6.3.3.l.a 6.3.3.1.b.l 6.3.3.1.c.l Descri tion Normally"ON" annunciator nuisance alarms.Set points.Annunciator location.Multi-input alarms.Reactor first out.Prioritization/unnecesary information. No"alarm clear" signal.Auditory signal.Annunciator location/group. Annunciator panel labeling.Tile replacement. Various RTGBs 102, 106 Various Various RTGB 100'll panels All panels All panels Various All panels Control Room Auxiliary Console 20 23 6.3.3.2.b 6.3.3.2.c 6.3.3.2.d Flash rate.Flasher failure.Window contrast.All panels All panels Panel"C" on RTGB 101 TABLE 2 3.9-1 ANNUNCIATOR SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 0 21, 22, 25, 26 27 28 29 30-33 30-35 36 37, 38 39 00 01-03 HED 8 6.3.3.2.e 6.3.3.3.c.l 6.3.3.3.d.l 6.3.3.3.e 6.3.3.0.a 6.3.3.0.c 6.3.3.0.d 6;3.3.5.(a.2, b.2)6.3.3.5.d 6.3.0.1.d.l 6.3.0.2.b.(1 -0)6.3.0.2.c 6.5.1.l.e.l Descri tion Normally lit annunciators. Axes labeling/array indices.Tiles per panel.Recognition of out-of-service alarms.Wordy/unclear legend.Lack of alarm warning;message specificity.. Inconsistent abbreviations Font size/style/readability. Letter dimensions/spacing. Brightness/lamp test.Annunciator control coding.'Lack of guarding/controls nondefeatable. Meter drives annunciator. Location Various All panels RTGB 101, 102, 106 Various Various Various All panels All panels All panels All panels RTGBs 101, 103, 105 RTGBs 101, 103, 105 All panels 2.3.10 Anthropometry Survey 2.3.10.1 Objective-The objective of the Anthropometry Survey was to determine whether controls and displays are located in a manner which makes them highly visible, within reach, and precludes inadvertent actuation. 2.3.10.2 Review Team Responsibilities -Two human factors engineers took the measurements necessary for performance of the Anthropometry Survey.With those measurements, one person developed the reach envelopes and visual angles and applied all checklist items.2.3.10.3 Criteria-The following general cr iteria were applied to meet task objectives: a.All controls are within reach of the 5th percentile female (i.e., the person who is smaller than 95 percent of the female population) (6.1.2.2.b.l). b.The 95th percentile male can reach all controls without stooping (6.1.2.2.b.2). c.All displays are visible from'any point at which they must be monitored, based on eye height of both the 5th percentile female and the 95th percentile male.This includes viewing of annunciators from their associated acknowledge controls (6.1.2.2.e). d.Controls are placed far enough back on the board to avoid inadver-tent actuation (6.1.2.2.d. 1).e.All controls and displays involved in a single task sequence are located to minimize the requirement for operator movement (6.1.2.2.f). f.Consoles are designed to allow sufficient leg and foot room and, if necessary, space for writing (6.1.2.2.g). g.Controls and displays which are frequently used or important are located in the most favorable position with regard to viewing or reaching (6.1.2.5.a 8 6.1.2.5.b.2). h.CRTs are easy to view with a minimal amount of head movement (6.7.2.3). I 2.3.10.0 Task Definition Reach Envelopes-To ensure that all controls can be reached by the 5th percentile female and 95th percentile male, vertical reach envelopes were developed using shoulder height and two different reach distances: functional reach and extended functional reach.Functional reach is defined as the distance from the right index fingertip when the arm is extended forward to the right shoulder when both shoulders are directly above the operator's feet.Extended functional reach is the same measurement except that the right shoulder is extended forward.92 Functional reach is the measurement prescribed in NUREG-0700 for the design of reach envelopes. It is used on the assumption that an operator leaning forward may inadvertently actuate a control.RTGBs 101-106 are equipped with a guardrail which protects the controls located close to the benchboard edge.In addition, no controls are within three inches of the front of the panel edge.An operator leaning forward, therefore, will not inadvertently actuate a control.For that reason, extended functional reach is more appropriate for the development of reach envelopes. There are some controls, however, which an operator should not have to stretch to reach.For instance, if a control requires precise adjustments, a location which requires leaning to reach it may make it difficult to adjust.Emergency or frequently used controls should also be within easy reach.'Since there are different conditions in which either functional reach or extended functional reach is appropriate, Human Engineering Discrepancies were identified as follows: o All controls must be within extended functional reach, i.e., a 5th percentile female operator stretching forward should be able to touch all controls in front of her.o'll controls which were not within functional reach were noted.In most cases, however, these controls will not cause operational problems simply because of their location.o Controls which are used frequently or in an emergency, or require precise adjustments may be difficult to operate in a timely fashion if the operator must stretch to reach them.They should be within functional reach.To construct reach envelopes, profile drawings were made of the main control panels, the Control Room Auxiliary Console, and the Line Repeat Panel.Shoulder heights were marked, and functional and extended functional reach distances were measured for both the 5th percentile female and 95th percentile male (see Figures 2.3.10-1 through 2.3.10-8). It was assumed that the operator was standing at the guardrail. Areas where the reach line was in front of the board, i.e., where the extended arm would not touch the panel, were measured and marked on panel drawings.These drawings were attached to Human Engineering Discrepancies describing the guideline violated.Note that the dimensions of the main control boards at corners, e.g., where'TGB 102 meets RTGB 103, are different than the dimensions of the remainder of the board (see Figure 2.3.10-9). Separate drawings were made for these sections.Visual Angles-The visual angle of a display refers to the angle measured from the line of sight to the display face.Maximizing this angle in the vertical plane ensures that 93 0 the display is not so low or so high that it is difficult to read.Maximizing the angle in the horizontal plane ensures that the display is not located too far to the left or right of the position from which the display is monitored; for example, start-up rate indications should be located close to the CEA controls.These criteria were applied to all displays, including annunciators and CRTs.It is assumed that an operator stands at the guardrail while observing a meter or CRT, and stands at arm's reach from the annunciator controls while observing an annunciate. Figure 2.3.10-10 shows the distance a 5th percentile female would stand from the board to reach each of the three sets of annunciator controls.To determine vertical visual angles, silhouette drawings were used'gain. Eye height was marked for the 5th percentile female and 95th percentile male.The areas in which the angle, determined by the line of sight and the display face, was 45 or less (see Figures 2.3.10-1 through 2.3.10-8)were measured and marked on panel drawings.The panel drawings were attached to Human Engineering Discrepancies describing the discrepant components, Figure 2.3.10-10 presents vertical viewing angles for annunciator tiles.As evidenced in the drawing, a 5th percentile female is able to reach the annunciator acknowledge station on RTGBs 101 and 105 when standing 13 inches back from the board.The viewing angle, therefore, is drawn from that point.The acknowledge controls on RTGB 103, however, were not within functional reach.These have since been relocated. Based on either the distance from the vertical portion of the console to the guardrail or the reach distance to the annunciator controls, Figure 2.3.10-11 depicts the permitted horizontal displacement of displays (i.e., the area in which the angle deter-mined by the line of sight and the display face was 05 or less).Failed displays were not within the allowable distance from the associated controls.Annunciator controls were paired with tiles, and all other control-display pairs were identified through task analysis.To ensure that extreme movements of the head up or to the left or right were not necessary, measurements were made of the angle from the straight-ahead line of sight to the line of sight when monitoring the display.All displays should be less than 75 above the horizontal line of sight of the 5th percentile female.All other criteria of this type apply only to CRTs.Based on task analysis, the Metrascope was classified as a CRT which requires frequent monitoring and which displays important information. It was therefore required to be within 35 to the left or right of the operator's straight-ahead line of sight and not more than 35 above or 25 below the operator's horizontal line of sight (see Figures 2.3.10-12 and 2.3.10-13). 96 92~ss TOP OF BOARD TOP OF ANNUNCIATORS FIGURE 2.3.10.1-VISUAL ANGLES AND REACH ENVELOPES FOR 5th PERCENTILE FEMALE 84 80 45'4" FAIL VISUAL (ANGLE (450)76 72 e-64 60 EXTENDED F UN CTI ON AL REACH (28.9")e48 44 FUNCTIONAL REACH (25.2")75'YE HEIGHT (55.5")SHOULDER HEIGHT (48.4")40 36 45o 3 4I I 32 28 20 16 p 4 8 12 24 28.32 36 95 16 20 40 44 48 52 56 0 84 72 EXTENDE TOP OF BOAAD, TOP OF ANNUNCIATORS D FUNCTIONAL REACH (39")FIGURE 2.3.10.2-VISUAL ANGLES AND REACH ENVELOPES FOR 95th PERCENTILE MALE FUNCTIONAL REACH (35")Q EYE HEIGHT (66.6")y SHOULDER HEIGHT (60.8")48 J'56 36 (HAN D RAIL)24 12 12 24 96 36 48 '1 00 96" g2tl TOP OF BOARD TOP OF ANNUNCIATORS t FIGURE 2.3.10.3~VISUAL ANGLES/REACH ENVELOPES FOR 5th PERCENTILE FEMALE AT CORNER OF BOARD 80 TO 60 66 I I 45'UNCTIONAL REACH (25.2")PEYE HEIGHT (55.5").EXTENDED FUNCTIONAL REACH (28.9")SHOULDER HEIGHT (48 4")r 40 371/I" 3.5>>8.5>>45'9,75>>33.5>>30 (DISTANCE FROM CORNER OF BOARD TO RAILING)20 10 20 30 40 '100 80 60 40 FIGURE 2.3.10.4~VISUAL ANGLEStREACH ENVELOPES FOR 95th PERCENTILE MALE AT CORNER OF BOARD EXTENDED FUNCTIONAL REACH (39")SHOULDER HEIGHT (60.8")I 2i~TOP OF BOARD 92'OP OF ANNUNCIATORS FUNCTIONAL REACH (35")4 EYE HEIGHT (68.6")/45o 30 3yi~5$9 7gss (DISTANCE PRO OF BOARDŽCORNER TO RAILING)33.5" 20 10 20 93 30 40 FIGURE 2.3.10.5~REACH ENVELOPESNISUAL ANGLES FOR 5Ih PERCENTILE FEMALE~CRAG 72 so FUNCTIONAL REACH (25.2")754 EYE HEIGHT (55.5")48 SHOULDER HEIGHT (48.4")36 534 464 24 12 12 24 99 48 FIGURE 2.3.10 6~REACH ENVELOPENISUAL ANGLES FOR 95th PERCENTILE MALE~CRAC FUNCTIONAL REACH (35")72 EYE HEIGHT (68.6")SHOULDER HEIGHT (60.8")48 454 gt'I 36 24 12 12 24 100 36 48' 84 FIGURE 2.3.10 7~REACH ENVELOPESNISUAL ANGELS FOR 5th PERCENTILE FEMALE~CRAG 72 IFUNCTIONAL REACH (25.2")EXTENDED FUNCTIONAL REACH (28.9")EYE HEIGHT (55.5")48 SHOULDER HEIGHT (48.4")36 45'.25" 12 0'2 24 101 36 48 '0 FIGURE 2.3.10.8~REACH ENVELOPENISUAL ANGLE FOR 95th PERCENTILE MALE~CRAG FUNCTIONAL REACH (35")72 EYE HEIGHT (68.6")SHOULDER HEIGHT (60.8")48 454 5lt 36 12~'2 24 102 36 48 FIGURE 2.3.10-9-HORIZONTAL REACH ENVELOPES FOR CORNER OF BOARD 4.45 27.5/iL 1.5th%FEMALE-FUNCTIONAL REACH (25.2")2 5th%FEMALE EXTENDED REACH (28.9")3.95th%MALE-FUNCTIONAL REACH (35")4.95th%MALE-EXTENDED REACH (39") 96 92 TOP OF BOARD TOP F ANNUNCIATORS 45'IGURE 2.3.10 10-REACH TO ANNUNCIATOR CONTROLS BY 5th PERCENTILE FEMALE 80 45'6 72 I, 60 52 EYE HEI G HT(55.5")SHOULDER HEIG HT(48.4")40 FUNCTIONAL REACH=25.2" 36 32 28 4 103l104 101/102 105l106 ANNUNCIATOR CONTROL LOCATION 13" 20 16 12'ANNUNCIATOR CONTROLS ON RTGB 103 ARE NOT WITHIN FUNCTIONAL REACH12 p 4 8 16 20 28 32 36 40 44 48 52 56 60 100 FIGURE 2.3.10.11~HORIZONTAL DISPLACEMENT OF DISPLAYS/ANNUNCIATORS 24 12 12 24 36 45 45'54 45'ENCHBOARD DEPTH 12 36 A..EYE REFERENCE POINT FOR ALL DISPLAYS EXCEPT ANNUNCIATORS. MAXIMUM DISPLACEMENT IS 28 INCHES FROM CONTROL.B.EYE REFERENCE POINT FOR ANNUNCIATOR CONTROLS ON RTGBs 101/102 AND 105/106.MAXIMUM DISPLACEMENT FOR ANNUNCIATOR TILES IS 41 INCHES FROM THE CONTROLS.105 96 92 e..TOP OF BOARD TOP OF AN N UN CIATORS FIGURE 2.3.10.12~VERTICAL ANGLES TO METRASCOPE FOR 5th PERCENTILE FEMALE AND 95th PERCENTILE MALE 84 80 76 72~64 544 14" 624 254 EYE HEIGHT FOR 95th.PERCENTILE MALE 60 56 34~rr 594 rr 354 EYE HEIGHT FOR 5th PERCENTILE FEMALE 52 48 40 36 32 20 16 12 p 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 106 FIGURE 2.3.10-13-HORIZONTAL VIEWING ANGLE TO METRASCOPE 0 CPSI%PWR METERS CONTROLS METRASCOPE ~17.5~VERTICAL BOARD 12 o<24 56'UARDRAIL 36 48 0 I I f I I)I I t I I j I I t I I 12 24 36 48 60 72 84 Vertical Panels-A vertical panel is any panel without a benchboard, for example, the Reactor Protection System and Radiation Monitoring Panel.It is not practical to determine reach envelopes and visual angles for these panels, as the distance an operator may stand from the board will not be be constant.Rather, it will be determined by the task being performed and by the anthropometrics of the particular operator.For that reason, controls and displays on vertical panels were evaluated based on their distance from the floor.Task analysis results were used to identify components requiring precise or frequent operation or monitoring. Discrepant components were.discussed in Human Engineering Discrepancies. 2.3.10.5 Results/Findings -Analysis of the drawings drawn during the"conduct of the Anthropometry Survey revealed the Human Engineering Discrepancies listed in Table 2.3.10-1.108 TABLE 2.3.10-1 ANTHROPOMETRIC SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 17, 13 19 20, 22 21 23, 20 25 27, 28 29 HED 8 6.1.2.2.b.l 6.1.2.2.b.l 6.1.2.2.e.l.b 6.1.2.2.e.l.b 6.1.2.2.e.2 6.1.2.2.f 6.1.2.5.a.(1, 2)6.1.2.5.(b, b.l)6.7.2.3.b Descri tion Controls out of functional reach.Controls out of extended functional reach.Displays too low.Annunciator height.Horizontal displacement of displays.Lateral spread of controls and displays.Control height on vertical boards.Display height on vertical boards.Metrascope viewing angle.Location RTGBs 101-106, Line Repeat Panel Various RTGBs 101-106, Line Repeat Panel, Control Room Auxiliary Console RTGBs 103, 100 RTGBs 101-106 RTGBs 102, 105, 106;Back Panels;Radiation Monitor Post-Accident Panel, Reactor Protection System, Radiation Monitoring Panel, Back Panels Post-Accident Panel, Reactor Protection System, Radiation Monitoring Panel, Back Panels RTGB 100 TABLE 2.3.10-1 ANTHROPOMETRIC SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 19 5,6 HED 8'.7.2.3.d.l.a 6.8.1.1.c Descri tion Horizontal limits for CRT location.Grouping by importance and frequency of use.Location RTGB 100 RTGBs 101-106 0 2.3.11 Force/Torque Survey 2.3.11.1 Objective-The objective of the Force Torque Survey was to identify control room equipment, via operator interview, which require too little or too excessive force for their operation, and to evaluate conformance of any potentially discrepant equipment to applicable human engineering criteria.2.3.11.2 Review Team Responsibilities -The evaluation team consisted of a human factors engineer qualified to take force/torque measurements and a control room operator.Where control actuation was necessary to subjectively assess the force/resistance of a control, operations personnel directed the activity.2.3.11.3 Criteria-The force criteria for operation of switch types are contained in the checklists in Appendix A.The source document for the checklist was NUREG-0700. 2.3.11'ask Definitions/Methodology -Several control room operators were interviewed using a preconstructed force/torque questionnaire (see Table 2.3.11-1). Individual component~tes were activated by a control room operator to test conform-ance with criteria, and were evaluated using the checklist. 2.3.11.5 Results(Findings -No Human Engineering Discrepancies were identified in the Force/Torque Survey.111 TABLE 2 3-11-1 FORCE/TORQUE QUESTIONNAIRE 1.Do you recall any inadvertent switch actuations as a result of coming in contact with the switch mechanism? If so, do these switches appear to be too easily actuated?GO TO FIRST PANEL, THEN REPEAT QUESTIONS AT EACH PANEL 2.Are there any controls, pushbuttons, or legend pushbuttons which appear to be too easily actuated or difficult to actuate?3.Do toggle switches have an elastic resistance that increases as the control is moved and drops as the switch maps into position?0.Are knobs for spring loaded momentary contact rotary selector controls large enough'to be easily held against the spring torque for as long as necessary? 5.Does rocker switch resistance gradually increase then drop to zero when the control snaps into position?6.Does the resistance for the rocker switch preclude the switch from being placed between positions? 7.Do any control knobs or handles rotate or move loosely on their shafts?8..Do any controls give the"feeling" that internal wear has occurred or that breakage might occur, or have the"feel" that sensory feedback has altered over the life of the control?112 2.3.12 Communications Survey 2.3.12.1 Objective-The objective of the Communications Survey was to assess the degree to which various modes of communication transmission and reception used in the control room conform to the criteria identified in the attached checklist. Through the evaluation process generic discrepancies and discrepancies specific to individual commu-nication devices were identif ied.2.3.12.2 Review Team Responsibilities -The members of the review team included: o A human factors specialist to conduct the checklisting, identify discrepancies, and report the survey findings.o A senior human factors scientist to observe the system operation during an emergency drill and identify those discrepancies noted, and to assist in conducting rhyme tests.o Communications system operators (Control Room Operator, Nuclear Plant Supervisor, and Nuclear Watch Engineers) to supply operational information and demonstrate system operations. o Plant technicians (Instrumentation and Control and Electric Depart-ment personnel) to work closely with the Essex Corporation researchers answering questions, providing information, and obtaining any necessary documentation for completion of this task.2.3.12.3 Criteria-The cr'iteria used to evaluate the various communication systems are presented in the attached checklist (Appendix A).2.3.12.0 Task Definition/Methodology -The three procedures used to conduct this survey were: 1)conduct of operator interviews, 2)application of human engineering checklists, and 3)conduct of a modified rhyme test.Each is discussed briefly below.Interview-The operator interviews collected in the"Review of Operating Experi-ence" task were reviewed for identification of potential communications discrepancies. The discrepancies were then targeted for reverification in the control room and evaluated using checklist criteria.Human Engineering Checklist-The checklist, applied on-site, was concerned with the following issues: maintainability, identification, coding, operation, audibility,'usability, and accessibility. Operations personnel were asked specific questions about the different communi-cations systems or were asked to demonstrate the system operation and capabilities. Instrumentation and control engineers and plant technicians were consulted concerning specific system capabilities (e.g., frequency ranges, power supplies, and maintenance). Page System Rhyme Test-A modified rhyme test of the Plant Page System was spontaneously conducted, based on operator interview findings.In this subtask, 15 words 113 were spoken over the page system while the plant was in normal operating condition. The procedure used was, except for talker's list length, the same as described in Section 2.3.7 of this report.2.3.12.5 Results/Findings -Table 2.3.12-1 summarizes the Human Engineering Discrepancy findings of the Communications Survey.In general, the results of the Communications Survey include the completed checklist and the Human Engineering Discrepancy reports documenting the identified discrepancies. In general, the Communi-cations System was found to be discrepant in several areas including emergency use, reliability/maintenance, identification/coding, location, and design.Interviews suggested intelligibility problems with the page system.Table 2.3.12-2 presents the test words used in the modified rhyme test.The test was presented, and 87%correct recognition was made of target words.These findings are considered to indicate marginal intelligibility of the instruments tested.In terms of spoken phrases, contextual cues will"increase speech intelligibility dramatically. The addition of constrained language (e.g., use of phonetic alphabet)would enhance intelligibility further. 0 TABLE 2.3.12-1 COMMUNICATIONS SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File g HED 8 6.2.1.2.b.5 6.2.I.8.c 6.2.2.3.d Descri tion Phone cord presents tripping hazard.Respirators and communications. Auditory frequency coding.Location Communications Panel N/A N/A TABLE 2.3-12-2 MODIFIED TALKERS'S LIST FOR PAGE SYSTEM RHYME TEST'Group 11 12 13 10 15 16 17 18 19 20 21 22 23 20 25 DIM SHED TOE JAR SIN DUG SWOG'EEN NOT WEST PIT BAT SAY DIG PAGE 116 2.3.13 Maintainability Survey 2.3-13.1 Objective-The objective of the Maintainability Survey was to evaluate the adequacy of the control room design to support maintenance activities performed by operations personnel. The survey was organized into three parts: o Maintenance of Components with Integral Lighting o.Recognition of Visual Display Failure o Spare Parts, Operating Expendables, and Tools.2.3.13.2 Review Team Responsibilities -The following personnel were required to conduct this survey: a human factors engineer, responsible for data collection and analysis and for report preparation; a control room operator, responsible for providing assistance during data collection and analysis;and an instrumentation and control technician, who was responsible for providing information and assistance during data collection and analysis.2.3.13;3 Criteria-Criteria used in this survey are summarized below.o Lamps should be replaceable from the front of the panel (i.e., components should not have to be removed to replace lamp.o Components are not susceptible to,shorting out or, in the case of switches, to inadvertent activation during the process of lamp removal or replacement. o Lamp replacement does not subject the operator to a shock hazard.o Covers having legends, color coding, or other component-specific information are physically keyed, or some form of procedural safe-guard is provided to prevent interchanging of covers.o If lamp replacement requires tile removal, there is a way to ensure that the tile is replaced in the correct location.o Dual-bulb or dual-filament light assemblies are used, or bulb-test capability is provided where lamp status cannot be verified.o Component design encourages immediate replacement of burned-out bulbs by providing for rapid and convenient bulb replacement with power on and without hazard to personnel or equipment. o Operator aids are provided if needed for lamp replacement. o When panel instruments such as meters fail or become inoperative, the failure is apparent to the operator (i.e., a failed meter displays an off-scale indication). o Spare parts, such as indicator lamps, and any tools required by operating personnel are stored in suitable designated space(s)within the control room.o An adequate supply of expendables and spare parts (e.g., fuses, bulbs, ink, recorder charts, printer paper, etc.)are provided.117 o Expendables and spare parts are readily accessible. o All tools required to replenish expendables and install spare parts are available. o There should be adequate storage space for expendables and spare parts.o When different types, sizes, or styles of expendables and spare parts are required, they should be clearly and distinctively marked to avoid confusion or misapplication. o Records should be maintained concerning the status of expendables and spare parts.o The paper, ink, and other expendables required to maintain graphic recorders should be provided and accessible in the control room.o The design of graphic recorders permit quick and easy replenishment of paper and ink.o Fresh replacement batteries for walkie-talkies are accessible and well marked.o The stock of batteries is sufficient to support continuous emergency operation of walkie-talkies. 2.3.13.0 Task Definition/Methodology -The following procedures were followed to conduct this survey, Maintenance of Components with Integral Lighting-All components having inte-gral lighting were identified. Components were organized into generic classes (e.g., legend switches, annunciators, etc.).Next, representative components were selected from each class for evaluation. Maintenance procedures for lamp replacement for each sample component were reviewed and assessed.Finally, each sample component was evaluated according to the above criteria by using the checklist contained in Appendix A.Whenever necessary, the control room operator or the instrumentation and control technician demonstrated required maintenance activities. Recognition of Visual Display Failure-All visual displays were identified. Visual displays were organized into generic classes (e.g., vertical meters, strip charts etc.).Next, representative displays from each class were selected for evaluation; and display failure modes, indications, etc., were identified by interviewing the control room operators and/or instrumentation and control technician using the interview form contained in Appendix A.Each sample display was evaluated according to the above criteria using the checklist contained in Appendix A.Whenever necessary, the operator or instrumentation and control technician simulated display failure either by disrupting the electrical signal to the display, or some other means, as appropriate. Where it was impractical to simulate display failure, display specifications were reviewed to determine display failure response.'Spare Parts, Operating Expendables, and Tools-All control room components requiring maintenance by operations personnel in the form of replacing parts or replenishing expendables were identified. The components were organized into generic classes (e.g., transilluminated displays, graphic recorders, printers, etc.).Next, for each class of components the associated spare parts and/or operating expendables required for maintenance by operations personnel were identified and described. Information entered on the data form included: o Component-component name or designation (e.g., graphic recorder)o Type-type of spare part or operating expendable (e.g., paper)o Size-cubic dimensions of spare part or expendable, as stored (approximate) o Markings-provisions for labeling or otherwise designating similar items to avoid confusion o Replacement frequency-how often the item must be replaced (e.g., once per week)o Tools-tools required to replace spare part or replenish expendable o Storage location-where in the control room the item is stored.Storage closets, lockers, etc., were also identified and described. Information entered on this form included:/o Designation -name assigned to locker, closet, etc.(e.g., Storage Locker Nl).o Location-where in the control room the container is located o Size-internal dimensions of the container o Stored items-items stored in the container o Labeling-bins, compartments, etc.o Frequency of stocking-schedule for restocking container. The control room design was evaluated with respect to spare parts, operating expendables, and tools by using the checklist contained in Appendix A.In conducting this evaluation it was important to consider the following: o Adequacy of supply-to determine if the supply of expendables and spare parts is adequate, one must determine the frequency with 119 which the spare part or expendable is replaced, as well as the periodicity of stock replacement (i.e., the likelihood that an item will run out before the shelves are restocked). o Adequacy of space-to determine the adequacy of storage space, one must compute the volume of all items contained in the storage space when the shelves are fully stocked.2.3.13.5 Results/Findings -The survey of integrally lighted components in the control room revealed both positive and negative features of the present system in ensuring that all bulbs on the board are operable.A positive feature is that all bulbs are replaceable from the front of the board.V/hen tools are required, (e.g., to avoid receiving'shock when changing annunciator bulbs)they are provided and easily accessible. Lamp tests and/or redundant bulbs are provided on some systems such as rod control push-buttons, annunciators, the core mimic, and most legend lights and pushbuttons. Table 2.3.13-1 summarizes the Human Engineering Discrepancies identified by the Maintainability Survey.120 TABLE 2.3.13-1 MAINTAINABILITY SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 13 19 07, 08, 09 178-183~180-188 189 190-190 HED 8 6.1.1.5 6.1.1.5.e 6.1.1.5.f 6.3.3.1.c.2 6.0.3.3.c.3 6.0.3.3.c.O 6.5.3.1.a.l 6.5.3.l.a.2 6.5.3.l.a.3 6.5.3.l.b Descri tion Storage at Remote Shutdown.Bulb storage labeling.Bulb inventory records.Lamp replacement hazards.Lamp replacement hazards.Legend cover interchange, legend pushbut tons.Failure of display not apparent Oack of bulb redundancy). Bulb test.Shock hazard.Uniformity of brightness. Location Remote Shutdown Control Room Control Room RTGBs 101-106 RTGBs 101, 103, 100 RTGBs 101, 102, 103, 105, 106;Remote Shutdown;Radiation Monitoring Panel;Line Repeat Panel;Control Room Auxiliary Console;Back Panels RTGBs 101-106, Control Room Auxiliary Console, Reactor Protection System, Radiation Monitoring Panel, Remote Shutdown, Back Panels RTGB 101 RTGBs 102, 103, 105, 106 TABLE 2.3.13-1 MAINTAINABILITY SURVEY HUMAN ENGINEERING DISCREPANCIES (HEDs)197-205 225, 226 227-233 HED II 6.5.3.1.c.2 6.5.0.l.e 6.5.0.1 f Descri tion Legend cover interchange, legend lights.Recorder paper storage.Ease of routine replacement. Location RTGBs 101, 100, 105;Reactor Protection System All panels All panels 2A System Function and Task Analysis System Function and Task Analysis was conducted in four basic steps, as follows: o Identify/review systems, functions, and tasks identify system functions develop task lists and Response Selection Diagrams identify event sequences to be analyzed o Analyze tasks analyze tasks for each function develop Spatial-Operational Sequence Diagrams o Verify task performance capability/human engineering suitability o Validate control room functions. Each of these steps is discussed in the following sections.2.0.1 Identify/Review Systems, Functions, and Tasks The overall objectives of the System Function and Task Analysis were to identify and organize plant systems, functions, and operator tasks to support subsequent analysis.Subtasks are presented below.2.0.1.1 Identify Systems/Subsystems and System Functions-The objectives of this subtask were to identify and document the plant systems and subsystems which function'o operate the reactor plant and generate and distribute power.This included the systems which are represented in the control room.Once the system and subsystem boundaries were identified, the functions which are performed within a subsystem division were identif ied and documented. The review team consisted of several senior operations personnel, four human factors specialists, and plant instrumentation and control engineers. The team members reviewed the Final Safety Analysis Reports, technical specifica-tions, system descriptions, and other available documentation which describe the reactor plant, power generation, and power distribution systems.A preliminary systems and subsystems list was developed. The team interviewed the operations personnel using the I control room photomosaic to verify/revise the system and subsystem divisions which were identified by operations personnel as governing: o Reactor control and instrumentation systems o Safety systems o Feedwater systems o Radwaste systems o Power generation systems o Power distribution systems.123 The, system and subsystem boundaries were identified and verified to reflect the as-built operational status and operating. practices. The operations personnel were requested to provide, for each subsystem, the functions (or operations) of (and any operational variations associated with it)the subsystem and its components. Operational variations and the conditions under which they are employed were'documented as function alternatives. This subtask identified the major plant systems, the functions which they govern, and the subsystems of each major system.The list of system functions underwent task Analysis.2.0.1.2 Develop Task Lists and Response Selection Diagrams-The objectives of this subtask were: 1)to identify and describe motor, perceptual, and information process-ing tasks associated with performance of system and subsystem functions, 2)to identify task sequences and dependencies, and 3)to graphically depict task sequences in Response Selection Diagrams.Through review of standard, abnormal, and emergency operating procedures and interviews with operations personnel; conditions which initiate operator tasks in relation to performing functions (initiators include alarms, routine monitoring, administrative procedures, etc.)were identified. Also identified were the prerequisite conditions for the conduct of functions and the possible variations in the conduct of functions based on presence or absence of prerequisite conditions. By reviewing system operating procedures and interviewing training instructors and operators, individual tasks and decision points involved in function performance were identified. Detailed descriptions of task actions were recorded in the form of Response Selection Diagrams which graphically represent task sequences (see Figure 2.0-1)and identify actions and decisions on the part of the operator.This subtask provided Response Sele'ction Diagrams for each control room function, depicting: o Tasks o Task sequences o Decision points o Task dependencies o Detailed task descriptions. These Response Selection Diagrams were used as initializing information for detailed analysis of tasks.120 2.0.1.3 Identify Event Sequences-The objective of this subtask was to identify event sequences (postulated and experienced transients) to be evaluated in the task analysis.The specific list of event sequences selected for analysis were: o Plant Startup/Shutdown/Change in Power o Loss of Coolant Accident o Inadequate Core Cooling o Multiple Steam Generator Tube Ruptures o Failure of Auxiliary and Main Feedwater o Failure of High Pressure Reactor Coolant Make Up o Anticipated Transients Without Scrams Loss of offsite.power Stuck Power-Operated Relief Valve.2.0.2 Analyze Tasks'he basic objective of this System Function and Task Analysis activity was to use the data previously generated to analyze, in detail, operator-allocated tasks for each of the functional sequences selected for analysis.Subtasks are discussed below.2.0.2.1 Analyze Tasks for Each Function-The objectives of this subtask were to analyze task requirements to determine information requirements, control requirements, communication requirements, constraints (time, etc.)on task performance, and decisions and skills/knowledge requirements; and to document task requirements in an accessible, usable format for each task and task sequence.The Response Selection Diagrams were used as a basis to determine detailed task requirements. Detailed task descriptions were analyzed, and for each task the following information was assembled on the Task Analysis/Response Selection Diagram form (See Figure 2.0-1): o The required control action, if applicable (i.e., binary, multi-discrete, or continuous) o The control panel and the display or control code associated with the task o The display requirement, if applicable (i.e., binary, multi-discrete, or continuous scale)o Parameter ranges and control features necessary for safe plant operation o Skills/knowledge demanded of the operator for task performance o Workload assessment. 125 2.4.2.2 Develop Spatial-Operational Sequence Diagrams-The objective of this subtask was to present sequential task accomplishment graphically on line drawings of the board layouts.Using Task Analysis/Response Selection Diagram data as input, human factors engineering analysts graphically represented task sequences on panel line drawings (i.e, Spatial-Operational Sequence Diagrams). The procedure for generating Spatial-Operational Sequence Diagrams is as follows: o Assemble line drawings of control board o Code components compatibly with locator codes on Task Analysis/Response Selection Diagram forms o Sequentially link control board instrumentation and displays based on Task Analysis/Response Selection Diagram data o Numerically identify links with task code numbers from Task Analysis/Response Selection Diagrams o Assemble and file Spatial-Operational Sequence Diagrams for subse-quent analysis.The outputs and results of this subtask were Spatial-Operational Sequence Diagrams for each system and subsystem function that identify: o Sequence of control/display use for each function o Frequency of control/display use for each function o Decision and task sequence output failure points.With the knowledge of the original design considerations and the design and human factors trade-offs that were conducted during the plant design phase, the Operations Department performed an integral role in the determination of task requirements. The outputs and results of this subtask were verification or identification of: instrumentation and design requirements for performance of tasks, operator skills and knowledge required for task performance, and workload assessment. 2.4.3 Verify Task Performance Capability/Human Engineering Suitability This task required further analysis and evaluation of operator-allocated tasks.a Subtasks for this task are discussed below.2.4.3.1 Develop Functional Sequence Diagrams-The objective of this subtask was to develop event-based Functional Sequence Diagrams for each event sequence listed in Section 2.4.1.3, above.For each event sequence which underwent evaluation, event evolutions (courses)were identified. 126 ji, Functional Sequence Diagrams generated from procedures represent the evolving plant and operational status ensuing after an initiating event.The procedure for developing Functional Sequence Diagrams was as follows: o Identify the previously defined functions and tasks as operationally sequenced in the event o Identify branch points (e.g., diagnostic decisions, etc.)o Timeline operations and tasks to identify event progressions. As Functional Sequence Diagrams were completed, sequential functions were overlaid on control room floor plans and sequentially numbered to identify and analyze control room traffic patterns.The traffic pattern analysis was conducted as follows: o Assemble Functional Sequence Diagrams for each event o Obtain control room floor plan drawings o Sketch the traffic paths for all operators as required by the event sequence o Identify functional (operational) dependencies, as required.Outputs of this subtask are Functional Sequence Diagrams and Traffic Diagram checklists. 2.4.3.2 Verify Human Engineering Suitability -The objective of this subtask was to identify man-machine interface problems that may affect task performance, but that may not be evident in component surveys.There are four major design issues that this subtask addressed: 1)the grouping of components with respect to function, sequence, importance, and frequency-of-use crite-ria;2)control and display integration to ensure that associated controls and displays are not dispersed and that their designs are compatible; 3)component discrimination through enhancements such as demarcation and coding techniques; and 4)panel layouts for consistency of conventions across all panels/units. Specific checklist items regarding the above issues were used as compliance standards. The functional groups were identified. in the system and subsystem definition of Task 1.The extent to which functional groups/systems/subsystems define an appropriate functional group with respect to operational requirements was then assessed using the Spatial-Operational Sequence Diagrams.These diagrams identify: 1)the components which are involved in carrying out the subsystem functions, 2)the sequence of component use, and 3)the associated controls and displays for a particular action.In addition, by identifying corresponding functions between control panels and units, where applicable, 127 location and sequence aspects of the layout consistency were assessed.The checklist criteria items (Appendix A)were applied to each Spatial-Operational Sequence Diagram sheet, and discrepancies were noted.All the Spatial-Operational Sequence Diagrams involving a discrepant component were analyzed with respect to the component's frequency-of-use and importance as determined in Subtask 2.0.0.A 2.0A Validate Control Room Functions The objective of this task was to: 1)estimate the importance and frequency-of-use for equipment, and 2)verify the availability of required instrumention and controls in the control room.2.0.0.1 Develop Frequency and Importance Data-The objective of this subtask was to determine both importance and frequency-of-use data for equipment used in task sequences and selected plant events.Based on: 1)event sequences, 2)normal operating procedures (e.g., startup), and 3)fr'equency estimates of nonprocedurally-bound operations (e.g., Boron control, annun-ciator responses, etc.), frequency data for equipment use is estimated. The procedure for estimating task frequency was as follows: 1.Determine an estimate of the frequency of implementation of normal operating procedures (e.g., start-up, shutdown, change in power)by interviewing senior operations personnel. 2.Similarily, determine estimates of the frequency of nonprocedurally-bound operations (e.g., boration, volume control, etc.)for each function.3.Assemble data on form.Develop a frequency table for function call-up.5.Develop frequency estimation for each instrument/control/ communication requirement based upon'stimated frequency-of-function execution. 6.Sort and store frequency data.Using a similar technique, indication of equipment importance was identified by weighting the importance of the events shown on frequency data form and then summing the weighted frequencies of equipment uses in function callups.The outputs and results of the subtask were estimated frequency-of-use and importance data for control room equipment by event/operation. 2.0.0.2 Verification of Equipment AvailabiTity -The objectives of this subtask were to identify availability (presence) of required instrumentation and controls in the 128 c'ontrol room to support performance of system functions, and to identify potentially extraneous control room equipment. The basic criteria for the subtask were: 1)the control and display designs should match the task needs and operators'apabilities, 2)frequently required or important instrumentation or controls should be located in the control room, and 3)infrequently used or unimportant instrumentation should be excluded from the control room inventory. The Task Analysis/Response Selection Diagrams were compared with the Functional Sequence Diagrams to identify the equipment requirements. To identify any deficient areas, the results were then compared to the control room inventory list representing the present equipment capabilities and characteristics.. All equipment was evaluated for its appropriateness to operating requirements using the checklist (see Appendix A).The calculated frequency-of-use data was examined to identify equipment with very high or very low frequency of use.L'ists were prepared for infrequently used equipment located in the control room and frequently used equipment located outside of the control room.These lists were also annotated with the assessment of the component's importance to operations as previously developed. The outputs and results of this subtask include: 1)a list of required control room equipment located external to the control room, 2)a list of infrequently used equipment located in the control room, and 3)a list of discrepancies based on Task Analysis of the equipment requirements and the present control room inventory. 2.0.5 Results/Findings Approximately 06 Human Engineering Discrepancies which are summarized on Table 2.0.5.-1 were noted during the Task Analysis.In general the St.Lucie Unit 1 Control Room was found to afford acceptable operability. 129 TABLE 2.0.5-1 TASK ANALYSIS HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 27 3 30-38 7-9 17 20 20, 25 33 00 02, 03 Q9 51 HED 8 6.5.l.l.a 6.5.1.1.b 6.5.1.1.(b, f)6.5.1.2.b 6.8.l.l.b 6.8.l.l.c 6.8.1.2 , 6.8.2.l.a.l 6.8.2.1.b 6.8.2.1.c.2 6.8.2.2.(a, b)6.8.2.0.a 6.8.3.l.a 6.8.3.1.b 6.8.3.2.(b, c)Descri tion Operator information requirements. Information required, completeness of.Lack of redundant information. Information must be converted. Component grouping.Grouping by importance and frequency of use.Frequency of use/panel layout.Control/display coiocation, sequence of use.Frequency of use/panel layout.Functional grouping.Unconventional sequence.Position standardization. Location inadequate for fine adjustments.. Control separation inadequate. Long arrays of meters.Location RTGBs 101, 106;Remote Shutdown Panel RTGB 101 Remote Shutdown Panel RTGBs 101, 102, 106 RTGB 106 Various RTGBs 100-106 RTGB 101 RTGB 105 RTGB 105 RTGB 106 RTGB 102 RTGB 103 Various RTGB 103 TABLE 2.0.5-1 TASK ANALYSIS HUMAN ENGINEERING DISCREPANCIES (HEDs)File 8 2p 3 0-11 12-IO 15 16, 17 19 20, 21 22 HED 8 6.9.1.1 6.9.1.1.a 6.9.1.1.b 6.9.1.l.c 6.9.1.2.a.l 6.9.1.2.b 6.9.2.2.a 6.9.2.2.a.l 6.9.3.2.b Descri tion Colocation of related components. Control/display proximity. Component obscuration. Switch position does not correspond with associated display.Functional reach.Sequence of use.Display location.Display not above control.Display precision.- Location RTGBs 102, 105, 106 RTGBs 102, 105, 106 Various RTGBs 102, 103 RTGB 102 RTGBs 102-100 Remote Shutdown Panel RTGBs 101, 105 RTGB 103 3.0 IMPLEMENTATION The objectives of this phase are: 1)preparation of schedules for implementation of selected backfits, 2)develop standardized backfit solutions, 3)present justification for not correcting certain discrepancies and 4)provide current status of implementation program.3.1, DEVELOP BACKFIT SCHEDULES Backfit implementation programs were prepared as human engineering discrepancies were identified, documented, and assessed.Scheduling of human engineering discrepancy backfits were a function of: o Human engineering discrepancy priority o Engineering and procurring lead time requirements and constraints o Overall plant outage schedules. Schedules will be periodically reviewed and updated as part of the implementation program.3.1.1 PHASE 3-ENHANCEMENT AND DESIGN SOLUTIONS PROPOSED BACKFIT CORRECTIVE ACTION The basic procedure employed in identifying and selecting enhancements and design solutions is based on Figure 3-1.1.Analysis of correction by enhancement 2.Analysis of correction by design alternatives 3.Assess extent of correction. 3.1.2 ANALYSIS OF CORRECTION BY ENHANCEMENT e Discrepancies selected for correction were first examined for possible correction by enhancement (labeling, demarcation, procedure aids, etc.).Each human engineering discrepancy is considered and, where such correction is possible, the discrepancy was reassessed for its effect on operator performance. As appropriate, human engineering discrepancies can be reevaluated via checklisting and task analysis until human factors engineering suitability is verified.Where it was determined that correction by enhancement was not possible, the discrepancy was analyzed for correction by design alternatives (see Figure 3-2).l,32 3.1.3 ANALYSIS OF CORRECTION BY DESIGN ALTERNATIVE Identification of design alternatives was achieved by the examination of the human engineering discrepancy, reference to task analysis data, and identification of potential constraints (e.g., availability of equipment, Reg.Guide 1.75, etc.)and was dispositioned by taking into account plant safety, design restrictions, operator performance, and cost effectiveness. The acceptability of design alternatives will be verified by further evaluation using the following: o Functional analysis o Task analysis o Reapplication of appropriate checklists. Figure 3-3 presents the general activity involved in analysis of correction by design alternative. 3.1.4 EXTENT OF CORRECTION For all human engineering programs implemented or discrepancies selected for correction by design alternatives, extent of correction (by enhancement or redesign)will undergo evaluation. To achieve the assessment, a simple reapplication of program guidelines and verification of human factors engineering suitability will be performed. Figure 3-4 is the form used to document extent of correction assessments. In cases where a generic program is consistantly implemented, ie.labeling, color coding, etc.only a sample of enhancements will be re-evaluated for extent of correction since the results will be the same in all cases.Correction assessments will occur as part of the implementation program since the full extent of enhancements cannot be evaluated until a sample survey of field implementation is made.133 HUMAN ENGINEERING DISCREPANCIES TO BE ANALYZED FOR CORRECTION (FROM THE HED SELECTION PROCESS)ANALYSIS FOR CORRECTION BY ENHANCEMENT CORRECT NITH ENHANCEMENTS YES NO ANALYSIS TO IDENTIFY DESIGN IMPROVEMENT ALTERNATIVES AND SELECT RECOMMENDED SOLUTION~FUNCTION ANALYSIS~ALLOCATION I MAN I MACHINE~VERIFY ALLOCATION

4 I~SELECT PREFERRED DESIGN ALTERNATIVE I~VAI.IDATE DESIGN----W DESIGN AND VERIFY IMPLEMENT AND DOCUMENT JUSTIFY AND DOCUMENT Not Corrected Fully Corrected ASSESS EXTENT OF CORRECTION SCHEDULE IMPLEMENTATION DOCUMENT Part fally.Corrected JUSTIFY AND DOCUMENT SCHEDULE IMPLEMENTATION DOCUMENT FIGURE 3-0 ASSESSMENT:

SELECTION OF DESIGN INPROYEMENT 134~

FIGURE 3.2 FLOW FOR CORRECTION OF HEDe BY ENHANCNEMT CONSIDER.ENHANCHlEMT ALTERNATIVES REEVALUATE HED HKO RESOLVED t Valng NUREQ 04M and 0700 ERROR ASS ESSIlEMT~2 HED SELECTED FOR CORRECTION BY OESIQN ALTERNATIVES DETAILED KNHANCEIlENT DESIQN, NMJ ENTATION AND ODCUtlENTATION Detailed dealgn preceodtt, ealng 0700 guide linea when appn)pdata, aa dealgn teq4remonta 135 RGURE S-S PROCESS FOR ANAl.YZlNG HED DESlGN ALTERNATlYES REVIEW SYSTEM FUNCTIONS AND TASK ANALYSIS IDENTIFY ALTERNATIVES EVALUATE ALTERNATIVES HKD RESOLVED 2 KRHA EXHAUSTED EHHAHCEMKNT SOLUTIONS SSlbLE H HEDs NTRODUCE 2 JUSTIFY 4 DOCUMENT DESIGN FKASlbLK QINEERINQ?SCHEDULE IMPLEMENT DOCUMENT 136 HED BACKFIT ASSESSMENT HED NO.FIGURE M PROPOSED IMPLEMENTED IENHANCEMENT a)LABELING e)b)DEMARCATION b)c)CODING c)d)PROCEDURES d)o)TRA)NING e)t 11 DESIGN ALTERNATIVES I)RELOCATION a)')REPLACEMENT b)c)CONFORMANCE TO PROCESS CONVENTION c)d)RELOCATION OF FUNCTION d)BACKFIT BACKFlT REASSESSMENT OF PROBABLE ERROR AND DEVIATION C.EXTENT OF DEVIATION FROM 0700'UIDELINES N/A SOME COMPLETE 2.ERROR ASSESSMENT l.ON 3.4 HIGH SIGNOFF: HEPM DATE: NO 2.ERROR ASSESSMENT 0%NO RESOLVED RESOLVED REDESlQN SACKFfT

6.6 6.8 6.9 1 thru 49,55,56,62 thru 97,99 thru 108, 110 thru 137,139 thru 171,179,180,181 10,25 13,14 139 3.2.2.DEMARCATION As a result of the Detailed Control Room Design Review performed on St.Lucie Unit No.1, 19 of the findings (summarized in Table 3.2-1)identified remain to be implemented as part of the ongoing demarcation program at the St.Lucie Site.A set of guidelines was developed to provide general guidance for designing and intergrating demarcation along with summary labels and mimic coding.The demarcation guide lines ensure that the final product maintains:

o Simplicity of design o Intergration of summary labels o Use of mimics where beneficial to the operator and current panel space permits.The final demarcation design selected will be developed using task requirements, system/functional relationship, and operating experience on St.Lucie Unit No.1.The demarcation will be coordinated with the relabeling program.The following is, a list of the remaining findings to be corrected by the ongoing demarcation effort.The findings are listed by section number as they relate to Florida Power and Light Companies tracking system.A more detailed listing along with descriptions of each line item is presented in Section 3.5, of this report.SECTION NO.FILE NOS.6.5 6.8 6.9 10,256 5,9,11 thru 15,19,20,23,24,28,32,50,51 2,18 140 3.2.3.ANNUNCIATOR REVIEW As a result of the Detailed Control Room Design Review per formed on St.Lucie Unit No.1, 16 of the findings (summarized in table 3.2-1)identified remain to be corrected as part of the ongoing Annunciator Review Program.The Annunciator Review Program addresses the following points to resolve the subject findings: o Re-engraving of alarm windows to alleviate:

Congested tiles Incomplete messages Confusing messages Addition, of new tiles Standarization of abbreviations o Prioritization of alar ms by color coding o Review of alarm windows to identify those with multiple inputs requiring reflash capability o Review of alarm location with regard to associated controls o Review of annunciators to identify those common alarms which could be combined into catagory alarms.Annunciator engraving specifications, prioritization coding and abbreviation list are contained in the St.Lucie site Administrative Procedure 0010137.The following is a list of.the remaining findings to be corrected by the ongoing Annunciator Program.The findings are listed by section number as they relate to NUREG-0700 and file number as they relate to Florida Power and Light Companies tracking system.A more detailed listing along with descriptions of each line item is presented in Section 3.5 of this r eport.SECTION NO.FILE NOS.6.2 , 5 6.3 1 thru 5,7,12,13,15,21,22,25,26,34,35 141 0

3.2.4.CODING CONVENTION As a result of the Detailed Control Room Design Review performed on St.Lucie Unit No.1, 111 of the findings (as summarized in table 3.2-1)identified remain to be corrected as part of the established coding convention effort.The coding conventions implemented in the St.Lucie Unit No.1 Control Room are identified in Florida Power and Light Companies St.Lucie Site Administrative Procedure 0010137 and are consistant with the standards developed during the original control room design philisophy.

The subject coding conventions are applied to: o Indicator lights o Push buttons o Mimics o Power trains o Meter scales o Automatic actuation signals o Control handles The following is a list of the remaining findings to be corrected by application of the developed coding conventions.

The findings are listed by section number as they relate to NUREG-0700 and file number as they relate to Florida Power and Light Companies tra'cking system.A more detailed listing along with descriptions of each line item is presented in Section 3.5 of this report.SECTION NO.FILE NOS.6.1 6.3 6.4 6.5 6.6 6.8 20,22 9,43 26,35,37 thru 41,43,47,48,49,51 thru 68, 76,78,80 34,36,40,53,55,70,7 3)80,81,82,84, 87,88,98,100,102,103,104,106,108, 113,114,116,117,118,119,120,121, 127,130,132,141,142,143,146 thru 166, 195 thru 207,212,213,250 98,178 16,17 142

3.2.5.ENGINEERING INTERGRATION REVIEW As a result of the Detailed Control Room Design Review'erformed on St.Lucie Unit No.1 there are 53 of the findings (as summarized in Table 3.2-1)identified as requiring design changes remaining to be implemented and/or engineering review completed a'nd final dispositioning assigned.Of the 53 findings remaining in this catagory 13 have been dispositioned for design enhancement corrective action and will be implemented during the units current 1983 outage.The remaining 40 require additional engineering review with regard to design alternatives taking into account qualification of equipment, common operational concerns between the St.Lucie Site Control Rooms, coordination of construction support requirements and availability of equipment/materials.

The remaining engineering review items will be dispositioned by July 30, 1984.The following is a list of the Findings currently scheduled for implementation during St.Lucie Unit No.1's current outage.SECTION NO.FILE NO.6.1 11 6.5 209,210,258 6.7 12,14,18,19 6.8 6,8,26,37 6.9 20 The following is a list of the findings scheduled to have their., evaluations and dispositioning completed by July 30, 1984.The results of the'subject Engineering Intergration Review will be reported to Nuclear Regulatory Commission Human Factors Branch by August 30, 1984 for their review of Florida Power and Light Companies proposed dispositioning.

SECTION NO.FILE NO.6.1 19,21,25,38,41,42 6.2 Continued on next page.143

6.4 6.5 6.7 6.8 6.9 4,5,27,28,69 3,14,15,22,23,27,44,110, 251 thru 254,264,265 32,34,36 2,3$4$31$35$36$38$39,40 12,22 A brief description of the subject findings and proposed design enhancement foQows for those human engineering descrepancies which are currently scheduled to be implemented during the units 1983 outage.In addition a detailed listing along with descriptions of each line item is presented in Section 3.5 of this report.144 0

~P(odin: (Section 6.1, File No.11)(HED No.6.1.1.3.g)

There are several holes in the vertical panel from removal of components.

This results in the danger of the entry of unwanted objects.They should be covered.~Res onse: (Section 6.1, File No.11)The meters will be installed or covers will be placed over openings no longer required.~Findin: (Section 6.5, File No.209)(HED No.6.5.3.3.a.3)

Legend cover is not heat resistant and appears to be cracked and/or partially melted, which often distorts the legend.~Res onse: (Section 6.5, File No.209)The damaged legend covers will be replaced.The light bulbs used will be checked and if the wrong bulbs have been used, they will be replaced by the proper voltage and wattage bulb to reduce the temperature.

Finding (Section 6.5, Pile No.210)(HED No.6.5.3.3.a.3)

Legends are either missing or melted.Dyno tape labels have been added next to"legend" lights.Operators have reported that this problem is caused by using the wrong bulb.~Res onse: (Section 6.5, File No.210)The damaged legend covers will be replaced.The light bulbs will be checked and if the wrong bulbs have been used, they will be replaced by the proper bulb.145

~Findin: (Section 6.5, File No.258)(HED No.6.5.5.1.a.5)

The windows on mechanical counters have glare due to material used for window pane.~Res onse: (Section 6.5, File No.258)The window panes will be replaced with a non-glare material.~Findin: (Section 6.7, File No.12)(HED No.6.7.2.1 a dc b)The readability of the Metrascope is adversely affected by the glare from the normal control room lighting on the CRT screen.~Res onse: (Section 6.7, File No.12)An anti-glare screen will be installed on the CRT to reduce the glare problem and improve readability.

~Findin: (Section 6.7, File No.14)(HED No.6.7.2.1.ce4)

The luminance of the CRT characters on the Metrascope is less than the required 23 ft-candles requirements for the control room normal light level.~Res onse: (Section 6.7, File No.14)The maximum luminance of the screen will be checked to see if the level:.can be increased.

Engineering will conduct a review to determine how to improve readability of the screen.146 Fr(odin: (Section 6.7, File No.18)(HED No.6.7.2.3.b)

The viewing angle between the operators normal work station and the plane of the CRT face of the Metrascope is less than 45o in the horizontal direction.

This makes reading of the Metrascope very difficult.

The metrascope needs to be moved 12 inches on the panel toward the operator to make this angle 45oe~Res onse: (Section 6.7, File No.18)The Metrascope will be moved during the 1983 refueling outage toward the operator during the rework of RTGB 104 panel for the addition of SAS.I~F(odin: (Section 6.7, File No.19)(HED 6.7.2.3.d.l.a)

The Metrascope is located more than 45o to the right of the operators straight ahead line of sight.Movement of the Metrascope 12 inches to the left would make this angle 45o.~Res onse: (Section 6.7, File No.19)The Metrascope will be moved during the 1983 refueling outage to the left during rework of RTGB 104 panel.~Findin:Findin: (Section 6.8, File No.6)HED No.6.8.1.l.c)

The annunciator acknowledge, reset, and test controls are frequently used but not located on a primary location of panel 103.~Res onse: (Section 6.8, File No.6)These controls will be moved to the edge of the benchboard with the addition of SAS and the rework of RTGB 103.147

~Findin: (Section 6.8, File No.8)(HED No.6.8.1.2)Process controllers located on vertical panels 105 and 106 are not within the normal and extended reach of the 5th percentile female.These are frequently used and should be moved within the functional reach area to minimize error potential.

~Res ense: (Section 6.8, File No.8)Panels 105 and 106 will be reworked where feasible while maintaining electrical physical separation and electrical and measurement train integrity.

~Findin: (Section 6.8, File No.26)(HED No.6.8.2.2 a 2 b)Holdup-Tank Level and Charging Pump indicators are arranged from right-to-left rather than left-to-right.

Rotary controls arranged in A-C-B sequence instead of an A-B-C sequence.~Res onse: (Section 6.8, File No.26)Hierarchal labeling and demarcation will be implemented.

Hold up tank level indicator will be arranged)eft-to-right.

Charging pumps are consistently oriented due to electrical bus configuration.(There is a two bus system and C pump can be powered from bus A or Bus B.)~Findin: (Section 6.8, File No.37)(HED No.6.8.2.3.a)

Annunciator acknowledge, reset, and test controls are not similarly located on panels 101, 103, and 105.~Res onse: (Section 6.8, File No.37)The controls will be relocated so that they are located at the bottom of all 3 panels.148

~Find(0: (Section 6.9, File No.20)(HED No.6.9.2.2.a.l)

Displays for the letdown level and letdown temperature controllers are not mounted above their respective controllers.

~Res onse: (Section 6.9, File No.20)The displays and controls will be functionally grouped during the RTGB 105 upgrade.149 3.2.6.ADMINISTRATIVE AND TRAINING As a result of the Detailed Control Room Design Review performed on St.Lucie Unit No.1, 62 findings (summarized in table 3.2-1)identified remain to be incorporated in to site administrative procedures and/or the operator training program.The following is a list of the remaining findings still to be incorporated.

The findings are listed by section number as they relate to NUREG-0700 and file number as they relate to Florida Power and Light Companies tracking system.A more detailed listing along with descriptions of each line item is presented in Section 3.5 of this report.SECTION NO.6.1 6.2 6.3 6.4 6.5 6.6 6.7 FILE NOS.12 thru 15,32,34,43 213 23,29 6 thru 17 1,16,24,46,77,214 thru 222, 224 thru 227 57 thru 61, 172 thru 177 5 thru 9,26,27,28,35 150 e

PROGRAM TITLE 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 ST.LUCIH UNIT NO.1 HUMAN ENGINEERING BACEPIT PROGRAM

SUMMARY

INDEK POR BACKFIT PROGRAM NUREG 0700 SECTION NO'S/NO.ITEMS PHR SECTION 6.9 PROGRAM TOTALS 1.LABELING 13 12 34 161 224 2.DEMARCATION 3.ANNUNCIATOR 4.CODING CONVENTION 5.ENGINEERING INTER-GRATION REVIEWS 6.ADMINISTRATIVE/

TRAINING PROCEDURHS-CONTROLS 15 32 12 71 19 7 15 13 16 53 7.JUSTIFICATION OP NO ACTION ITEMS 8.INVALID PINDINGS 9.COMPLETED 24 12 23 112 10 20 17 14 229 16 ITEM SUB-TOTALS/

SECTION 43 44 85 265 181 36 51 22 732 732 TABLE 3.2-1 151 3.3 WRITTEN JUSTIFICATION/NO CORRECTIVE ACTION INTENDED 3.3.1 LOW ERROR ASSESSMENT As a result of the Detailed Control Room Design Review and Human Engineering Descrepancy Review Team meetings on St.Lucie Unit No.1 there are 229 findings (summarized in table 3.2-1)which were identified as requiring no corrective action.These items are presented in detail along with Florida Power and Light Company's justification for taking no corrective action on these items.The following is a list of findings by section number as they relate to NUREG-0700 and file numbers as they relate to Florida Power and Light Companies tracking system.A complete listing of all items along with a brief descriptions of each line item is presented in Section 3.5 of this report.SECTION NO.FILE NOS.6.1 1,2,3,5 thru 10,16 thru 18,23,24, 26 thru 31,33,37,39,40 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6,8,10,11,14,19,20,24,28,40,41,44 1,2,3,19,20,21 thru 25,29,36,42,44,46, 50,74,75,79,81,82,83,85 2,7,8,9,11,13,17,19,20,25,26,28 thru 33, 35,37,39,42,43,47,51,54,56)59,66,67,72,74, 75,76,78,79,83,85,86,90 thru 97,99,101,105 109,111,112,115,122,123,124,125,126,128, 129t131t133t134t135t136>137u139t140t144u145t 167 thru 170,174 thru 194,208,211,223 228,229,230,231,232,233,234,235,236,255,257, 259,260 thru 263 50 thru 54,109 1 thru 4,10,11,13,15,16,17,20 thru 25,29,30 31,33 1,7,18,21,22,29,30,34,41,42,43 thru 49 3 thru 11 15,16,17,19,21 152

~Findin: (Section 6.1, File No.1)(HED No.6.1.1.1.b)

Fire panel and radiation monitor computer panel are outside the control room primary operating area.Both panels require operator response to alarms and/or to take log reading.~Res onse: (Seotion 6.1, File No.1)At least two licensed operators are on duty in the control room at all times.One operator can leave the primary area to answer alarms, take log readings, etc.Florida Power and Light Company contends the existing operating staff and administrative controls allow for effective operator response to normal and off normal task requirements and intends no action on this item.~Findin: (Seotion 6.1, File No.2)(HED No.6.1.1.l.b)

Radiation monitor panel is obscured by the main control board and operator could fail to detect a dangerous condition.

~Res onse: (Seotion 6.1, File No.2)The radiation panel is alarmed on the main control board and at the radiation monitor panel as well.The free control room operator responds to any alarm and takes the necessary corrective action.Florida Power and Light Company contends that the staffing level and task assignments of the control room operating staff allow for quick and efficient response to normal and off normal conditions.

Florida Power and Light Company intends no action on this item.153

~Findin: (Section 6.1, File No.3)(HED No.6.1.1.1.b)

Various controls and displays i.e., isolation dampers for the control room kitchen and toilet are located on the backside of RTGB 101.These controls must be checked after a containment isolation signal is received to insure that they are in the proper position.~Res onse: (Section 6;1, File No.3)The subject equipment is verified as part of the control room operators verification of the containment isolation signal.The subject equipment does not require immediate operator verification and are checked after critical responses are performed.

Florida Power and Light Company intends no action on this item.~Findin: (Section 6.1, File No.5)(HED No.6.1.1.3.a)

Control room auxiliary panel and radiation monitor panel cannot be viewed from the control room operators desk.~Res onse: (Section 6.1, File No.5)The control room auxiliary panel and radiation monitor panel are provided with auditory and supervisory alarms.The free control room operator responds to any alarm and takes the necessary corrective action.Florida Power and Light Company contends that the staffing level and task assignments of the control room operating staff allow for quick and efficient response to normal and off normal conditions.

Florida Power and Light Company intends no action on this item.154

~Findin: (Section 6.1, Pile No.6)(HED No.6.1.1.3.c,d)

Control room auxiliary panel is located in back of personnel barrier.This could cause a problem in accessing panel during emergencies as non-licensed personnel loiter in this area during plant transients.

~Res onse: (Seotion 6.1, File No.6)Control room operators have authority to clear the control room of non-essential personnel at anytime.The technical support center is provided to allow additional plant staff access to plant information and provide assistance without adding to the confusion of the control room environment.

Finding (Seotion 6.1, File No.7)(HED No.6.1.1.3.d)

Circulation patterns in the control room are interfered with by the arrangement of chairs, desks and consoles.Movement is obstructed.

~Res onse: (Seotion 6.1, File No.7)Extra chairs and office furniture i.e., non-functional equipment in excess of shift personnel requirements have been removed from the control room to improve circulation patterns and access to the control panels.Plorida Power and Light Company intends no further action on this item.155

~F(odin: (Section 6.1, File No.8, 9, and 10)(HED No.6.1.1.3.f(1))

Panel to wall/panel spacing is less than 50 inches between: 1)Internals vibration monitor and RTGB 2)Reactor Protection System and operators'esk 3)Hydrogen analyzer and RTGB 4)RTGB and DEH control cabinet~Res ense: (Section 6.1, File No.8, 0 and 10)The subject panel areas have controls which are not normally used.They are used mainly by maintenance personnel performing periodic testing of the subject equipment.

The available space is adequate if necessary to support unobstructed entrance into the desired control area and allow single operator oriented tasks to be performed without any obstruction.

Florida Power and Light Company intends no further action on this item.~Find(a: (Section 6.1, File No.16)(HED No.6.1.1.6.a)

Shift supervisors office is located behind control panel 106 and does not provide him good voice and visual contact with the control room area.~Res onse: (Section 6.1, File No.16)(HED No.6.1.1.6.a)

The shift supervisors office was moved to the office area which was designated as the nuclear watch engineers office.The new office location provides the shift supervisor with good direct visual and voice access to the control room.Florida Power and Light Company intends no further action on this item.156

~Findin: (Section 6.1, File No.17, 18, 27)(HED No.6.1.2.2.b(1))

Controls are out of functional reach of the 5th percentile female.Controls are located on line repeat panel and vertical sections of RTGB's: 101, 102, 103, 104, 105, 106.~Res onse: (Section 6.1, File No.17, 18, 27)A field walkdown of the subject control room was performed on March 8, 1983, with Florida Power and Light Company representatives from operations

{including a 5th%female operator), Engineering and Human Factors Review Team representatives from Essex Corporation.

The field survey results verified that the 5th%female operator could reach and operate all required controls without bending or excessive stretching except for the 125 volt DC bus tie trapped key switches located on content board 101, reactor trip pushbuttons on control board 101, turbine trip pushbuttons on control board 101 and barrier wall valves on control board 101.These items which could not be reached and are associated with time based operator response, will be relocated to more accessible areas prior to the units return to service from the current 1983 outage.A stop stool is provided for those controls which must be operated during surveillance test, inspection and/or adjustment of non-time based controls i.e., 125 volt DC tie breaker alignment.

The subject work is being performed in response to file No.19 of Section 6.5.Florida Power and Light Company intends no action on the above findings.157

~Findin: (Seotion 6.1, File No.23)(HED No.6.1.2.2.e(2))

The following controls and displays are not within 28 inches of one another in horizontal displacement:

ITEM TYPE NOMENCLATURE LOCATION PANEL Controller Meters Letdown Press RCS Pressure Letdown press is adjusted to maintain RCS pressure at 240-150 psig during plant heatup 014 C14, C16, D10, D12 105 Controller Letdown Level D12 105 Meters, Recorder, Controllers D19>B28>Xll>X13 103 Pressure Level Letdown level is adjusted to maintain prior level at 35%during'lant heatup and when a charging pump is started or stopped Controllers Meters Rotaries ATM STM Dumps D5, D6 RCP's and Other Assoc.Controls Xl, 5,6,7 Y1-8, Z1-4 Reactor Coolant Loop Temp CHA-D D15-18 ATM steam dump valves are opened and closed to adjust FAvg during plant heatup 102 103 103 Meters Rotaries SE AP and Total Core Flow Channels MA-MD Core flow is monitored while starting RCP's Stm.Gen.Blowdown Controls C20-23 Y21,22,23 26, 27 03 106 Controllers Stm.Gen.Blowdown Rate Procedure says to open valves and then verify flow on controllers at MET tower control room console Meterological Panel in back of 102/103 158 ITEM TYPE NOMENCLATURE LOCATION PANEL Controllers Shutdown Cooling Return Flow D25 Shutdown Cooling Return HCV-3437 D40 The controllers are adjusted to begin heating up RCS.RCS temp.indications are on 104 and 103.106 106 Rotary Rotary Rotary Meter Meter Meter Diesel Generator 1B 4.16 KV Bus 1B3 Diesel Generator 1B Control Diesel Generator 1B Voltage Adjust Incoming volts Synchronizing Running volts Controls are adjusted while monitoring displays when starting B diesel generator Y30 Y29 Z26 A20 A21 A22 101 101 101 101 101 101 Rotaries Ind.Lights Aux.Feedwater Pumps and ValvesX9-12, Y19, Y27, 102 Y23, Y24 Recorder Meter Rotaries Wide range SG levels The auxiliary feed system is used A2 to fill the SG's prior to startup A25, A26 Aux.Feedwater Pump and Valves X9-12, Y19, Y27, Y23, Y24 PAP 103 102 Recorder SG Level SG level recorder must be monitored during testing or actual actuation of the Aux.Feed System C2 102 Meters Meters Pushbuttons lever Protection displays METRASCOPE A8 CPS/%Power A1-4 DPM Bl-4 Rod controls Y12-16, Group 1, Group 2 Z2-7 The controls and displays are all D1, D1 used during startup.In particular CPS/%PWR and DPM'are monitored for indications of criticality while pulling rods.104 104 104 104 104 159

~Res onse: (Section 8.1, File No.23)The subject controls and displays are functionally grouped for normal power operation and off normal/emergency operation based on importance of control/display function, time response requirements and available space.The conditions mentioned above are for plant normal startup/shutdown and surveillance testing.The requirements for control display configuration based on all the above conditions are conflicting due to the nature of the task requirements for each plant condition i.e., normal startup/shutdown versus normal operation and emergency operation.

Florida Power and Light Company contends that the subject displays are functionally grouped for the most frequently performed tasks and also for emergency off normal conditions where time base operator responses are required.Florida Power and Light Company is applying demarcation and hierarchical labeling to the control boards to help improve segregation of equipment and better identify associated controls and displays.Florida Power and Light Company intends no action on the above findings.160

~Findin: (Section 6.1, File No.24)(HED No.6.1.2.2.e(2))

Most annunciator tiles are not within the maximum recommended displacement from their associated annunciator controls.~Res onse: (Section 6.1, File No.24)As a result of the ongoing labeling and coding convention program annunciator legend plates are being increased to approximately 1/4" to improve readability from control stations, standardized abbreviations are being implemented to reduce message length and color priority coding is being applied to the subject annunciator windows to better identify importance and time response requirements of alarm windows.Florida Power and Light Company contends that there are an adequate number of annunciator alarm control stations functionally located throughout the control room and that the present labeling and coding programs will significantly assist control room operators in assessing and responding to incoming alarms from these control stations.Florida Power and Light Company intends no further action on this finding.~Findin: (Seotion 6.1, File No.26, 31)(HED No.6.1.2.3.h(3), 6.1.2.7.a)

There is minimum writing space provided for operators working at the CRT console located with the Reactor Protection System panels.There should be a table or desk provided adjacent to the console;to write on and place books on, etc.~Res onse: (Section 6.1, File No.26, 31)As a result of the TMI modifications made to the St.Lucie Unit 1 control room chairs and office equipment were evaluated along with circulation requirements.

As a result of the review, non-functional office equipment was removed and verification of the existing equipment was provided.Florida Power and Light Company contends that the existing control room writing surfaces and layout areas are adequate and intends no further action on this item.161

~Findin: (Section 6.1, File No.28)(HED No.6.1.2.5.a(1))

Controls on the hot shutdown panel are less than 34 inches from the floor.~Res onse: (Section 6.1, File No.28)The bottom most row of selector i.ee2 rotary controls mounted less than 34 inches from the floor (approximately 30 inches from the floor).The subject control switches have clearly labeled detent positions as well as associated indicator light status.The subject control functions are either on or of, no adjustments of speed and/or flow are required.Florida Power and Light Company contends that there is little to no error assessment associated with the above finding and intends no action on this item.Fin~inK: (Seotion 6.1, File No.29)(HED No.6.1.2.5.a(1))

Somedisplays in the control room are not between 41 and 70 inches from the floor.~Res onse: (Section 6.1, File No.29)As a result of the ongoing labelling and coding convention program control room indicator component labels are being re-engraved to improve lettering to background contrast of label messages and reduce the effects of glare.This effort will help operators quickly identify necessary displays.In addition, range coding is being added to displays in the control room such that operators can quickly tell at a glance whether equipment parameters are within the desired limits.Displays are arranged based on importance, frequency of task and available space.Florida Power R Light Company contends that the existing arrangement of displays is consistent with their intended function and intends no further action on this item.162 0

~Findin: (Section 6.1, File No.30)(HED No.6.1.2.5.b(2))

The small wide range CPS horizontal meter located on the Reactor Protection System panel is over 70 inches high making it difficult to read.~Res onse: (Section 6.1, File No.30)When monitoring counts per second during startup operations the control room operators use the primary indication located on control panel 104 which is easily readable and functionally grouped with the controls associated with controlling reactivity.

The display described in the above finding is not used for any operator tasks.Florida Power 8(: Light Company intends no action of this item.~Findin: (Section 6.1, File No.26, 31)(HED No.6.1.2.3.h(3), 6.1.2.7.a)

There is minimum writing space provided for operators working at the CRT console located with the Reactor Protection System panels.There should be a table or desk provided adjacent to the console;to write on and place books on, etc.~Res onse: (Section 6.1, File No.26, 31)As a result of the TMI modifications made to the St.Lucie Unit 1 control room chairs and office equipment were evaluated along with circulation requirements.

As a result of the review, non-functional office equipment was removed and verification of the existing equipment was provided.Florida Power and Light Company contends that the existing control room writing surfaces and layout areas are adequate and intends no further action on this item.163

~Findin: (Section 6.1, File No.33)(HED No.6.1.4.l.i)

Instructions for donning, doffing and controlling protective equipment are not provided.Any control over this is informal;however, health physics provides training in donning equipment.

~Res onse: (Section 6.1, File No.33)All site personnel required to work in radiation areas are trained in the use of respirators and receive periodic requalification training.The training requirements and frequency are consistent with Federal and site requirements.

The site Health Physics Group is responsible for controlling and maintaining those protective equipment stations required on site.Florida Power dc Light Company maintains that the existing administrative controls and inplace training requirements for site radiation training are adequate and intends no further action on this item.164

~Find(0: (Section 6.1, File No.37)(HED iso.6.1.5.1.a)

Temperature in the control room has reached 80oF-this temperature is outside the recommended 74-76oF range.~Res onse: (Seotion 6.1, File No.37)The subject control room is provided with redundant 100Fo capacity air conditioning units which automatically control the control room environment.

Environmental settings are maintained by the thermostat which can be set by control room operating personnel to the desired temperature.

Control room temperature recovery time varies based on traffic and heat load.The installed equipment is capable of maintaining temperature and humidity within acceptable ranges.Florida Power 2 Light Company intends no action on this item.~F(odin: (Section 6.1, File No.39, 40)(HED No.6.1.5.3.a)

Ambient illumination levels in the control room are too high approximately 88 ft-candles.Measured reading averaged 88 ft-candles on horizontal surfaces and 45 ft-candles on vertical surfaces.~Res onse: (Section 6.1, File No.39, 40)The light levels in the control room are maintained by control room personnel.

The control room operation personnel may increase or decrease light levels as they desire by switching on or off selected bank of non-vital A.C.lighting Florida Power (3(: Light Company believes adequate controls exist to allow control room operators to set light levels as desired to support performance of desired tasks i.e., most maintenance and calibration work is done during day shift requiring higher light levels for the subject activity and on back shift during periods of low activity light levels are reduced to desired levels.Florida Power R Light Company intends no action on this item.165

~F(ndin: (Section 6.2, File No.4)(HED No.6.2.2.3.a)

The new radiation monitor alarm and the fire panel alarm are sufficiently similar that they are confusing.

~Res onse: (Section 6.2, File No.4)The subject alarms are different in that the fire alarm and the radiation monitor alarm use different auditory coding and special separation of sound source.One alarm uses a pulsing tone while the other is solid and the subject sound sources are located 180 degrees apart i.e., on opposite sides of the control room.Florida Power 8c Light Company intends no action on this item.166

~Findin: (Section 6.3, File No.6)(HED No.6.3.1.2.b(1))

There are a number of alarms for which the operator's only function is to call an auxiliary field operator to report the alarm.Although auxiliary operators have their own annunciator panels, they are frequently from their station and do not hear the alarm.~Re onse: (Section 6.3, File No.6)The subject alarms are supervisory trouble annunciators.

They are provided in the control room because it is the control room operator's and nuclear plant supervisors responsibility to direct field personnel.

This operating philosophy maintains a centralized control allowing for the proper priorization of field work tasks based on overall plant conditions and requirements.

Florida Power (3(: Light Company believes the existing system design and administrative responsibilities are adequate and intends no action on this item.~Findin: (Section 6.3, File No.8)(HED No.6.3.1.3.a(1))

There is no first out annunciator panel for the reactor system.~Res onse: (Section 6.3, File No.8)The plant is provided with a sequence of events computer and printer which monitors and records pre-selected relay contacts.This information is available to the operator if desired and is presented in an organized time/event sequenced order so that an analysis can be made of the transient by plant staff.In addition, Florida Power R Light Company is installing a Safety Parameter Display System which is to be used as an operator aid in determining the type of event and possible corrective actions to be taken.Florida Power 8c Light Company does feel that it has adequate sequence event logs for determining the sequence of events for analyzing a plant trip and intends no further action on this item.167

~Findin: (Section 6.3, File No.10, 11)(HED No.6.3.1.5)Annunciators on the panel are not provided with an indication that the alarm has cleared.~Res onse: (Section 6.3, File No.10, 11)It is Florida Power (t(;Light Company operational philosophy that annunciator extinguishment is adequate indication of a clearing alarm since there should be no alarms present during normal operating conditions other than some plant permissives and possible equipment out of service for maintenance.

During transient conditions such as a plant trip the ring back feature would introduce excessive visual and auditory noise in the control room environment.

It would also require an additional operator manual control action to acknowledge each clearing alarm thus taxing the operator and increase the risk of operator error during a potentially critical time due to the shear volume of information which must be processed.

Under normal and steady state conditions operators take deliberate corrective actions to clear alarms and monitor system status to ensure the alarms condition is cleared.In addition, Florida Power (l(: Light Company is implementing an annunciator priority color coding convention to the alarm windows which will aid the operator in assessing the importance of the alarm and the time response required to implement corrective action and clear the off normal condition.

Florida Power 2 Light Company intends no further action on this item.~Findin: (Section 6.3, File No.14)(HED No.6.3.3.l.a)

The line repeat panel is set up to mimic the switchyard but annunciators above board are randomly placed.~Res onse: (Section 6.3, File No.14)The line repeat pane)is approximately 60 inches wide and approximately 60 inches high.The panel has the switchyard associated breakers for the plant feeders and tie breakers.The annunciator tiles associated with the subject equipment are located directly above the associated controls on the line repeat panel.The control display configuration on the line repeat panel is functionally grouped and clearly labelled.Florida Power 8c Light Company contends the panel configuration is functionally grouped and intends no action on this item.168

~Find)0: (Section 6.3, Pile llo.19)(HED No.6.3.3.1.c(2))

Lamp replacement on annunciator system subjects control room operators to shock hazard.~Res onse: (Section 6.3, File No.19)Operators have non-conductive lamp replacement tool available in the control room for use when replacing the subject bulbs.Florida Power (t(: Light Company intends no action on this item.~Findin: (Section 6.3, File No.20)(HED No.6.3.3.2.b)

Annunciator flash rate should be between 3 and 5 seconds.Flash rates checked averaged 2 seconds.~Res onse: (Section 6.3, Pile No.20)The error assessment associated with the above finding is extremely low.The existing annunciator system flash rate does provide the control room operator with sufficient visual stimulus to identify the activated annunciator window.Florida Power R Light Company intends no action on this item.~Findin: (Section 6.3, File No.24)(HED No.6.3.3.2.d)

The annunciator window for the main transformer 1B ground current trip has yellowed and is difficult to identify as illuminated.

~Res onse: (Section 6.3, File No.24)As a result of the labelling program all annunciator windows are being re-engraved with larger front and standarized abbreviations.

The subject window will be replaced as part of this effort.Florida Power dc Light Company intends no further action on this item.169 Finding: (Section 6.3, File No.28)(HED No.6.3.3.3.d(1))

There are more than 50 tiles in 8 of the 17 annunciator panels.~Res onse: (Section 6.3, File No.26)As a result of the labelling program annunciator windows are being engraved with larger front, standardized abbreviations, matrix coding and ref lash coding.The subject labelling program will improve annunciator message readability and operator performance.

Florida Power 8 Light Company intends no further action on this item.~Findin: (Section 6.3, File No.40)(HED No.6.3.4.1.d(1))

Annunciator brightness is not uniform, making it difficult for operators to tell if one light is out.~Res onse: (Section 6.3, File No.46)All annunciator windows are tested once per shift by control room operation personnel and burned out lamps replaced.There are two indicating lamps per window.Extinguishment of one lamp reduces light output by 50%.Florida Power R Light Company contends that the periodic testing of annunciators does provide the control room operator with adequate opportunity to identify an extinguished lamp.In addition, Florida Power 4 Light Company contends that a reduction in light output of 50%is easily identified.

Florida Power 4 Light Company intends no action on this item.170

~Findin: (Section 6.3, File No.41)(HED No.6.3.4.2.b(1,2,3,4))

Annunciator response controls have same design for all responses-round pushbuttons (silence, acknowledge, test).~Res onse: (Seotion 6.3, File No.41)The subject pushbuttons are clearly labelled, consistently located and arranged.There are no other control stations requiring the same sequence of tasks which would confuse the control room operator.Florida Power 4 Light Company contends that there is little to no operator error associated with their use.In the event of an operator error there are no adverse conditions which would arise.Florida Power 8c Light Company intends no action on this item.~F(odin: (Seotion 6.3, File No.44)(HED No.6.3.4.2.c)

Because of the design of the annunciator control, operators may defeat them.~Res onse: (Section 6.3, File No.44)The annunciator system is provided with an automatic 3 second auditory silence feature.The purpose of the automatic silence feature was to help minimize control room noise during normal startup and plant transient conditions when operators are involved in tasks and not able to manually silence each and every alarm coming in.This feature allows the control room operator to scan the annunciator panels when the auditory signal sounds to determine whether an immediate response to the subject alarm is required.Florida Power R Light Company believes the existing system design and administrative controls preclude unauthorized defeating of the annunciator auditory control and intends no action on this item.171 0

~Find(6: (Section 6.4, File No.l)(HED No.6.4.1.1.a(2))

The controls on the Reactor Protection System (Nuclear Power Calibrate, (Delta Power Calibrate and Temperature Cold Calibrate) require fine adjustment but are surrounded by platic guards which makes their activation difficult.

~Res onse: (Section 6.4, File No.l)There is no error assessment associated with the above finding.The subject controls are used under procedural control for calibration of the associated equipment.

The installed guards are to prevent inadvertent activation of the subject controls.Florida Power and Light Company believes that the installed guards are necessary and does not pose any operational problems.Florida Power and Light Company intends no action on the above finding.~F)odin: (Section 6.4, File No.2)(HED No.6.4.1.1.b(1))

Rotary control for flow setpoint selector on the Reactor Protection System has five possible positions.

According to plant procedures, plant must always be operated in the four pump mode.Control needs to be guarded to ensure that it cannot be moved.~Res onse: (Seotion 6.4, File No.2)The subject rotary is a four position switch with positive detent positions.

Inadvertent operation of this switch would cause the reactor to trip due to reducing the reactor coolant high flow setpoints.

Inadvertent activation of the subject switch would not cause the reactor to be operated in an unsafe manner.Florida Power and Light Company intends no action on this item.172

~Findin: (Section 6.4, File No.3, Section 6.5, File No.9)(HED No.6.4.1.1.b(1))

There'is a spare rotary control and indicator light located on the hot shutdown panel which is labeled spare.There should be a good reason to require any control on this board.~Res onse: (Section 6.4, File No.3, Section 6.5, File No.9)The subject panel was ordered with installed spare components.

The panel was qualified in this manner to allow for future addition to the subject panel.The installed spare rotary control switch is clearly labeled and poses no operational problem to the control room operator.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.4, File No.19)(HED No.6.4.1.2)The color pushbuttons on the radiation monitoring panel are neither separated by 1/2 inch nor guarded, which could cause an inadvertent activation of an adjacent control.~Res onse: (Section 6.4, File No.19)The subject pushbuttons are acknowledge pushbuttons for high (alert), high-high and failed detector.A inadvertent activation of an adjacent pushbutton would not cause any control function.The subject pushbuttons have adequate surface area, are clearly labeled and provide no possible source of operator error.Florida Power and Light Company intends no action on this item.173

~Find(0: (Seotion 6.4, File No.20)(HED No.6.4.1.2.c(1))

The control for channel power/power range recorder selector is covered with a non-hinged dust cover.It may interfere with the operation of the protected controls within a required time period.~Res onse: (Section 6.4, File No.20)The non-hinged dust cover was a dust cover.The subject cover was provided to keep the subject recorder free of debris during periods when not in use.The subject recorder was removed as part of the rework to RTGB 104 and is no longer installed in the control room.Florida Power and Light Company considers this item closed.~Findin: (Seotion 6.4, Files 21, 22, 23, 24 end 25)(HED No.6.4.1.2.e)

SI Loop lAl, 1A2, 1B1, 1B2 Leakage (106)Shutdown cooling return flow (106)RC pump seal coolers heat exchanger isolation valves (1A1, 1A2, 1B1, 1B2)(103)4)Flash tank level (105)5)Boric acid flow (105)6)Liquid waste flow (105)7)Letdown level (105)8)Letdown temperature (105)9)Letdown pressure (105)10)Pressure heater proportional controllers channel x and y (103)11)Pressurizer level controller channel x and y (103)12)Pressurizer spray controller PCV-1100 (103)1)2)3)~Res onse: (Section 6.4, Files 21, 22, 23, 24 end 25)The above findings have extremely low error assessments associated with them.The subject controllers all would require a deliberate holding and turning of'the subject control to cause a change in rotary position.Florida Power and Light Company believes the subject rotary control design does provide sufficient protection against inadvertent actuation and intends no action on the above findings.The following Fisher-Porter control station manual control rotary offers little resistance to movement and extends out a enough to preclude accidental striking or actuation:

174

~Findin: (Section 6.4, File No.29)(HED No.6.4, 2.1)Rotary switches for charging valves ISE-02-1, ISE-02-2, letdown stop containment isolation valve and letdown containment isolation valve do not conform to open-right/close-left convention.

e.g., Reset-lef t/close-middle/open-right Close-lef t/open-middle/reset-right

~Res onse: (Seotion 6.4, File No.29)The subject rotary control switches are clearly labeled and operated under administrative controls.The switches are configured in order to support proper system control operation.

Florida Power and Light Company contends that the subject valve control rotary switches are properly designed, labeled and proper procedural control do exist to support their use and intends no further action on this item.Finding (Section 6.4, File No.36)(HED No.6.4.2.2.b)

Colored pushbuttons are not consistently located.~Res onse: (Seotion 6.4, File No.36)The color coded pushbuttons on the radiation.

montoring panel for the Victoreen equipment is consistently color coded, clearly labeled and consistently located.Florida Power and Light Company intends no action on this item.175

~Findin: (Section 6.4, File No.42)(HED No.6.4.3.1.c)

Colored pushbuttons do not have concave or frictionalized surfaces to avoid slippage.(reset-fail, alert, high)~Res onse: (Section 6.4, File No.42)The colored pushbuttons (reset-fail, alert, high)associated with the radiation monitoring panel are of sufficient size i.e., approximately 1/4 inch, making accidential slippage of the operators finger a highly unlikely situation.

In the event that inadvertent actuation of an adjacent pushbutton did occur, no control function or operational error would occur.Florida Power and Light Company believes the subject pushbuttons design is adequate and intends no action on this item.~Findin:: (Section 6.4, File No.44)(HED No.6.4.3.3.b(3))

The legends on the DEH turbine control valve test panel have low letter/background contrast.It is dif ficult to read without internal illumination.

Letter height on pushbuttons/lights is too small.~Res onse: (Section 6.4, File No.44)The subject lettering is black engraved characters on a white background which is the most desirable letter/background contrast possible.The subject lettering size is limited to the component description and physical size of the pushbutton/legend light.The subject controls are used during procedurally controlled surveillance tests and do not pose any significant operator error potential.

Florida Power and Light Company intends no action on this item.176

~Findin: (Section 6.4, File No.46)(HED No.6.4.3.3.c(3))

Anyone trying.to change the bulbs associated with the Electro-hydraulic control panel may be subject to shock.~Res onse: (Section 6.4, File No.46)The subject lamps are removed with the associated tile or legend.The subject legends can be removed by hand without any potential shock hazards.Work requiring removal of equipment for maintenance is~performed by the Instrumentation and Control Department.

Plorida Power and Light Company intends no action on this item.~Pindin: (Seotion 6.4, File No.50)(HED No.6.4.3.3.e(5))

The reactor protection system matrix relay hold pushbuttons are difficult to depress for the period of time required to perform the system test.Control resistance is to high for activation beyond a few seconds.~Res onse: (Seotion 6.4, Pile No.50)The subject matrix relay hold pushbuttons are momentary contact devices.They are only intended to be depressed for a second or two while performing the subject surveillance test.The subject control devices are properly designed for their intended function and no operator control errors are associated with their use since their operation and function are clearly described in the subject test procedure.

177 0

~Findin: (Section 6.4, File No.74 and 76)(HED No.6.4.4.5.6(1))

Rotary controls for motor operated isolation valves are spring return to center and have no positive indication of activation by way of control position.Only indication or feedback is through indicator lights.~Res onse: (Section 6.4, Pile No.74 and 75)The subject valves are motor operated valves and are provided with mechanical limit switches at each position (full closed and full opened).The valves are normally in the opened position which is indicated by a red indicating lamp.Nhen the operator activates the subject valve close relay both indicating lights are illuminated as the valve moves off it's full open position and the green light remains illuminated and the red light is extinguished when the valve reaches it's full closed position.Florida Power and Light Company believes the design and operation of the subject motor operated valve control circuits is correct and intends no action on this item.~Pindin: (Section 6.4, File No.79)(HED No.6.4.4.5.d(1))

Spray valve PCV-1100P has a lack of control action feedback.There are two sets of indicator lights which are associated with the rotary control.Both indicator lights respond to one control position but do not respond to the control position they are associated with.~Res onse: (Section 6.4, File No.79)The subject indicator lights reflect valve position i.e., red open, green closed, they do not reflect spray valve control mode which is displayed by the detented switch position.The subject system is correctly labeled and provides adequate control and tactical feedback to the control room operator.Florida Power and Light Company believes this finding is invalid and intends no action.178

~Findin: (Section 6.4, File No.81, 82 and 83)There is parallax from pointer because pointer is not close enough to scale on rotary control selector switches.~Res onse: (Section 6.4, File No.81, 82 and 83)The error assessment associated with the above findings is extremely low to non-existent.

All rotary controls are provided with tactical feedback.They either have position indicating lamps, process displays, detent positions which are labeled along with installed pointers, position status fiags, etc.Florida Power and Light Company believes that the subject rotaries identified:

1)2)3)4)5)Dynamic test panel T hot rotary Boron load control valve-2525 (RTGB 105)Reactor makeup mode selector (RTGB 105)Reactor regulatory system (RTGB 104)Reactor coolant temperature selector (RTGB 104)are properly designed and provide no potential for operator error.Florida Power and Light Company intends no action on these items.~Find(a: (Section 6.4, File No.85)(HED No.6.4.4.5.e(3))

Rotary controls are e75 inches in diameter which is less than the one inch recommended minimum.~Res onse: (Section 6.4, File No.85)The error associated with the subject rotary knob diameter is extremely low.The subject control knobs provide adequate gripping surface for operators to perform the desired tasks.The current knob diameters do not impare operator performance and Florida Power and Light Company intends no action on this item.179 00

~Findin: (Section 6.5, File No.2)(HED No.6.5.1.1.b)

Information needed to meet task requirements while adjusting the percent position base adjuster is not provided.During turbine generator startup the operator is required to raise base adjust to 15 KV with display feedback.Parameter provided to the operator for feedback is percent position base adjuster (0-100 percent).There is no lack or display feedback in units of measurement required (KV).~Res onse: (Section 6.5, File No.2)Alternate sources of information are provided to the operator to the task of turbine generator startup which allow for KV feedback.The percent indicator is intended as a source of backup verification during startup.Florida Power R Light Company intends no further action on this item.~F(odin: (Section 6.5, File No.7)(HED No.6.5.1.l.b,f)

There is no redundant indication for cold leg temperature Tl-115 or HIC 4100 spray valve control and pressurizer pressure indication.

~Res onse: (Section 6.5, File No.7)There are adequate sources of information available to the control room operator to verify plant performance and process information.

There are a number of pressurizer pressure and pressurizer temperature indicators and recorders as well as hot leg, cold leg, T average, T reference indicators and recorders.

Florida-Power and Light Company believes the plant design and displays available to the operator are sufficient to allow for effective and prompt performance of their required tasks.Florida Power and Light Company intends no action on this item.180

~Findin: (Section 6.5, File No.8)Containment pressure recorder located on the CRAG panel, containment radiation recorder channel 58 and 59 located on the radiation monitoring panel have spare unused pens.Trend recorders are displaying unnecessary information.

~Res onse: (Section 6.5, File No.8)The subject recorders have spare channels and are clearly labeled as spare.Florida Power and Light Company believes there is little to no potential for operator error since in all cases high readings are of major concern and require operator action and low or zero readings require no operator action.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.4, File No.3, Section 6.5, File No;9)(HED No.6.4.1.1.b(1))

There is a spare rotary control and indicator light located on the hot shutdown panel which is labeled spare.There should be a good reason to require any control on this board.~Res onse: (Section 6.4, File No.3, Seotion 6.5, File No.9)The subject panel was ordered with installed spare components.

The panel was qualified in this manner to allow for future addition to the subject panel.The installed spare rotary control switch is clearly labeled and poses no operational problem to the control room operator.Florida Power and Light Company intends no action on this item.181

~Findin: (Seotion 6.5, File No.11)The core mimic and reactor regulating system have unnecessary or unmeaningful legend lights.Core mimic uses five colors to indicate that rods are in or out (only two are needed).~Res onse: (Seotion 6.5, File No.11)The core mimic is on aid to the operator and provides him with a number of rod status information such as normal insertion limit, low insertion limit, rod at upper limit, rod off upper limit, rod moving.The presented information in the core mimic and rod control display is correct and used by operation personnel.

The reactor regulating system is an integral part of the reactor control and even though the plant is not operated in a load follow mode the system is still functional.

The subject systems are correct and operational, Florida Power and Light Company intends no action on this item.~Findin: (Seotion 6.5, File No.13)(HED No.6.5.l.l.c)

Extraneous information is presented on legend lights associated with the boron concentration recorder.The four lights display a range of numbers (0-550, 500-1050, 1000-1550, 1500-2050).

The bottom number is added to the reading taken on the associated trend recorder.The top number is not used at all.~Res onse: (Section 6.5, File No.13)(HED No.6.5.1.1.c)

The subject illuminated pushbuttons provide the control room operator with the selected recorder range.The recorder and range selector pushbuttons are properly labeled and provide the operator with the correct information.

Florida Power and Light Company believes the subject finding is invalid and intends no action.182

~Findin: (Seotion 6.5, File No.17)(HED No.6.5.1.1.e)

Valve control switches associated with the pressure relief block valves do not have valve position status.Indicating lights display demand signal not valve position.~Res onse: (Section 6.5, File No.17)The pressurizer relief block valves do display positive valve position.The valve position status is indicated by the subject indicator lights which receive the valve status from associated valve limit switches.The pressurizer relief valves are provided with acoustic monitors and discharge temperature indicators to provide the operator with valve status.The subject system is correctly designed and does provide the control room operator with the necessary information to determine valve status.Florida Power and Light Company intends no action on this item.FindinK: (Seotion 6.5, File No.19)(HED No.6.5.1.1.e)

Indicator lights associated with the reactor coolant pump oil lift pump respond to control switch position not pump status.~Res ond: (Seotion 6.5, File No.19)The oil lift pumps associated with their respective reactor coolant pumps are interlocked with discharge pressure permissives and do have analog indication of pressure and temperature located directly above the subject controls.Florida Power and Light Company believes that the provided displays and administrative procedural controls adequately identify the proper pre-requisites for the subject equipment operation and intends no action on this item.183

~Findin: (Section 6.5, File No.20)(HED No.6.5.1.1.e(1))

The reactor regulating system rotary control selector switch selects channel but both sets of indicator lights remain iQuminated regardless of which channel has been selected.~Res onse: (Section 6.5, File No.20)The reactor regulating system rotary control selector switch is clearly labeled as well as the associated group of indicating lights.The subject lights are arranged in two separate vertical columns directly above the rotary control-switch which points to the set of display lights selected.The current arrangement provides the operator with an immediate status of selected control channel as well as the status of the backup channel.Florida Power and Light Company believes the existing configuration best optimizes the control room operator's performance and intends no action on this item.~Findin: (Section 6.5, File No.25, 26)(HED No.6.5.1.l.f)

Failure of instruments is not readily apparent to the control room operator.~Res onse: (Section 6.5, File No.25, 26)Indicators are calibrated for 0-to full scale.On a loss of power, indicators read below their zero calibration point.Control room operators use meters, indicating lights, supervisory annunciator alarms as well as other plant equipment such as the digital data process system to monitor equipment status.In general, where desirable, indicators will be range coded to indicate normal and off normal operating ranges to assist operators in identifying off normal conditions.

Control room operators take hourly log readings and are trained to identify plant problems such as equipment failure.Florida Power and Light Company aids and training does provide the operators with the necessary tools to quickly identify equipment failure and intends no further action on this item.184

~Find(0: (Section 6.5, File No.28, 29)(HED No.6.5.1.1.f)

The metrascope (CRT of control rod position)flashes when a rod drops or there is a signal failure.There is no way to stop the flashing to determine whether there is a signal failure or a rod has dropped.~Res onse: (Section 6.5, File No.28, 29)The core mimic display, supervisory annunciator system, and reactivity instrumentation provide the control room operator with sufficient information to determine the cause of the metrascope display flashing.If a rod has dropped, it can be easily identified and the necessary corrective action taken.Florida Power and Light Company believes there is adequate indication provided to identify the failure mode and intends no action on these items.~Find(0: (Section 6.5, File No.30)(HED No.6.5.1.l.f)

When the sensor to a trend recorder fails, the recorder either goes to the high or low end of the scale;however, failure to the null point or highest value could be misinterpreted by the operator, particularly when the normal scale range is at the top or bottom of the scale.~Res onse: (Section 6.5, File No.30)The trend recorders in the control room provide the operator with historical trends of various parameters.

Failure of the input to the trend recorder would also disrupt the analog indicator, supervisory annunciator system and plant computer in various instances.

Loss of power to the recorder would also be obvious since the paper would not be advancing and the pen lying still in on area of the chart would start to cause large blotches due to the capillary action between the chart paper and ink.Florida Power and Light Company believes that ther e is adequate information available to the control room operators such as analog indicators, supervisory annunciator alarms, plant process computer, etce2 to allow the control room operator to quickly identify a failure associated with a trend recorder.In addition, trend recorders are time marked and date stamped by control room operators once per twenty-four hours.Florida Power and Light Company intends no further action on this item.185

~Findin: (Section 6.5, File No.31)(HED No.6.5.1.1.f)

All General Electr c c'rcu a)eter" a'o the owe g, aduat~~ark.It is never clear, therefore, whether a pump a-p meter's readi"r zero because the pump has failed or because the meter has failed.All meters should fail off scale or in some other way which gives a clear indication that the meter has failed.~Res onse: (Section 6.5, File No.31)Normal operating and off normal range coding will be applied to various indicators throughout the units control room as part of the range coding program.This will allow operators to quickly identify those indicator parameters which are off normal and require further investigation.

Florida Power and Light Company believes the current control room design O.e., primary and secondary information displayed for operator used)and normal watch duties provide the control room operator with the necessary information to determine display failure or an associated process failure.Florida Power and Light Company believes the existing equipment and administrative controls are adequate and intends no further action on this item.186 0

~F)odin: (Seotion 6.5;File No.32)(HED No.6.5.1.2.a)

The meters for safety injection pressure, caustic tank level (LIS-OV-7D) and gland seal steam condenser vacuum uses inappropriate units of measurement.

~Res onse: (Section 6.5, File No.32)A field inspection of the subject meters was performed by Florida Power and Light Company personnel and it was determined that the scale ranges and units of measurement were correct for the intended use.1)Safety injection pressure displays are presented in pounds per square inch.2)Caustic tank level is in inches of water and the subject indicator will be range coded.3)Gland seal steam condenser vacuum is presented in inches water column vacuum and it's normal operating range will be range coded as part of the coding program.Florida Power and Light Company believes the scales and range coding provide the control room operator with adequate information to perform the desired tasks and intends no further action on this item.~Findin: (Seotion 6.5, File No.33)(HED No.6.5.1.2.a)

The component cooling water pump amp meter scales go from 0 to 150 amps.The maximum reading that will ever appear on the scale is 90 amps.~Res onse: (Section 6.5, File No.33)The subject scale range is correct.Good engineering practice is to provide indicators such that normal operating values fall within approximately 2/3 the indicators calibrated range.This insures good instrument accuracy and ease of readability.

Florida Power and Light Company intends no action on this item.187

~Findin: (Section 6.5, File No.35)(HED No.6.5.1.2.b)

The containment sump level meters must be used together because narrow range is below the scale on the wide range.The inter-relationship is not marked and scales are not compatible.

Operators must, therefore add 6 to the wide range meter to get actual level.~Res onse: (Section 6.5, File No.35)The subject meters are not narrow range and wide range indicators and no mental conversions have to be made to use the subject indicators.

There are four level transmitters located in the containment sump (2)low range (-7 feet to 0 feet)and (2)high range (0 feet to 25 feet).They are direct reading, properly labeled and do have a scale overlap to assist control room operators in clearly assessing containment sump level.Florida Power and Light Company believes the subject displays are correct and intends no action on this item.~Findin: (Section 6.5, File No.37)(HED No.6.5.1.2.b)

The following counters must be multiplied by 2 or 20 to arrive at the directly usable figure.1)Generator MWh X 2 2)6.9 kv bus 1Al and 1B1 X 20 3)4.16 kv bus lA2 and 1B2 X 20 4)Diesel Generator 1A and 1B X 2~Res onse: (Section 6.5, File No.37)The subject counters listed above are direct reading and require no conversion.

The above finding is invalid and Florida Power and Light Company intends no action on this item.188

~Findin: (Seation 6.5, File No.39)The power ratio trend recorder numbers are normally used for comparison so they do not need to be decimals.~Res onse: (Seotian 6.5, File No.39)The subject display is direct reading and displays valves which are correctly identified and clearly labeled.Florida Power and Light Company believes the subject scale ranges are correct and there are no temporal errors associated with using the subject display.Florida Power and Light Company intends no action on this item.~Find(a: (Seation 6.5, File Na.42)(HED No.6.5.1.2.d)

The safety injection tank level, safety injection tank pressure and steam generator pressure measurement channel meters are not designed so they can be read to the degree of accuracy required by personnel.

~Res onse: (Seation 6.5, File No.42)The safety injection tank level and pressure indicators have high and low set point markings on the scale.The safety injection tank parameters are maintained within this operating band.Steam generator pressure is dependent on steam flow and turbine generator output.The steam generator displays identified in the above finding provide the control room operator with the safety measurement channel readings and are not used for control function by the control room operator but rather status.Florida Power and Light Company believes the subject display ranges and accuracies are correct and intend no action on this item.189

~Findin: (Section 6.5, File No.43)(HED No.6.5.1.2.d(1))

The containment pressure meters and recorders have a range of 0-175 psig.Containment is only designed to withstand 50 psig.Therefore, the majority of the scale, from 50 to 175 psig is unnecessary.

~Res onse: (Section 6.5, File No.43)As a result of the Three MQe Island accident it was determined that specific parameter ranges on instruments needed to be increased to better monitor these parameters in the event of an accident.Nuclear Regulatory Guide 1.97 contains a list of the subject parameters and their expected ranges.Florida Power and Light Company contends the subject ranges are correct and intends no action on this item.Finding (Section 6.5, File No.47)(HED No.6.5.1.2.d(1))

The meters for cold leg temperatures (TIC-1111y and 1121y)do not span the expected range of operational parameters.

Existing range provided is 520-610 degrees F.~Res onse: (Section 6.5, File No.47)The subject indicators (TIC-lllly and 112ly)are narrow range indicators provided to give the control room operator an accurate reading of cold leg temperature when the unit is at power.The subject display range is correct for its intended use and Florida Power and Light Company intends no action on this item.190

~F(odin: (Section 6.5, File No.51)Steam flow/feed flow deviation meters located on the back of RTGB 102 and 103 is expanded by multiplying by 200,000.Operators should not be required to make mental computations in order to read a display.~Res onse: (Seotion 6.5, File No.51)The subject display is not required to be used by control room operators.

The display is used by plant maintenance and staff personnel.

It provides the difference in feed flow and steam flow.It is a direct reading instrument and Florida Power and Light Company intends no action on this item.Finding (Seotion 6.5, File No.54)The blowdown and condensate conductivity recorder scale range is multiplied by other than a factor of 10.~Res onse: (Section 6.5, File No.54)The scale multiplyers are.1,.2 and.02.The recorder provides a trend of condensate and feedwater conductivity for plant historical purposes.In the event an intrusion of circulating water did occur operations staff could refer to the subject recorder and identify approximately where in the condensate/feedwater train it occurred.The control room operator does not use the subject recorder for any control operations and in addition local samples are taken by chemistry and the results reported to the control room operator.Florida Power and Light Company does not believe there are any control, interpretation or temporal errors associated with using the subject display since it is not required for any time based operational procedure or task.Florida Power and Light Company intends no action on this item.191 0 0

~Findin: (Section 6.5, File No.56)(HED No.6.5.1.3.b(2))

Numeral size on scales vary from one meter to the next.Letter numeral height should be identical for all labels within the same hierarchical level.~Res onse: (Section 6.5, File No.56)Numeral and letter size is the same on identical meters, i.e., same model/same size scale.Meter faces are consistent throughout the control room for specific manufacturer model and meter size.Florida Power and Light Company believes that the subject lettering and numerals sizes on indicator scales is correct for the scale size and available space.Florida Power and Light Company intends no action on this item.Finding (Section 6.5, File No.59)(HED No.6.5.1.3.d(3))

Continuous rotaries on the RPS are difficult to use.There is an opening in the control knob where the numeral is displayed.

The opening fills up with dust making the numeral difficult to read.The numbers on the knob are very small and difficult to ready anyway.~Res onse: (Section 6.5, File No.59)The subject rotaries are potentiometers which are used by instrumentation and control maintenance personnel under procedural control while calibrating the associated equipment.

These potentiometers are used in conjunction with calibrated test equipment and readings are recorded from the test equipment not the subject potentiometer.

The subject rotaries are not used by control room operational personnel.

Florida Power and Light Company believes the subject equipment design is correct for the intended application and intends no action on this item.192

~F(ndin: (Section 6.5, File No.66)(HED No.6.5.1.4.b)

Manufacturer's name (SIGMA)appears on display face distracting from instrument reading and relevant scale information.

Display has extraneous and unnecessary information on it.~Res onse: (Section 6.5, File No.66)The above finding has little to no error assessment associated with it because the subject indicators have clear distinctive scales which are consistantly arranged and clearly labeled.The manufacturer's name can not be misinterpreted as a number, does not conflict with scale graduations nor scale numerals, i.e., labeling.Florida Power and Light Company believes there is no operator error associated with the above finding and intends no action on this item.~indinS: (Section 6.5, File No.67)(HED No.6.5.1.4.b)

Meter scales have thick black marks which extend the major marks to the scale numerals.These marks give the misleading appearance of minus (-)signs in front of numerals.~Res onse: (Section 6.5, File No.67)A field inspection was made by Florida Power and Light personnel to review the above finding.The result of the review was that even though thick meter graduation marks did exist on indicator scales they were consistantly and clearly applied thus not providing any possible operator error.The subject displays can be easily read and no misinterpretation of the subject marks are expected since no negative values are presented on the subject displays.Florida Power and Light Company intends no action on this item.193

~F(ndin: (Seotion 6.5, File No.72)(HED No.6.5.1.5)The format of meter scales does not conform to the recommended format which calls for easily distinguishable minor, intermediate and major graduation marks.~Res onse: (Seotion 6.5, File No.72)The subject indicators are clearly labeled and major graduations do have their associated valves indicated in proper and consistant format.Range coding is being applied to indicators where operator performance is expected to be improved by the availability of a quick status reference operating range.Florida Power and Light Company believes the existing scale formats in conjunction with the applied operating bands provides the control room operator with the necessary information to quickly identify and respond to the situation at hand and intends no further action on this item.~Findin: (Section 6.5, File No.74)(HED No.6.5.1.5.a(l))

There are more than nine major, minor and intermediate marks between numbered scale points.~Res onse: (Seotion 6.5, File No.74)The subject indicator scales are process specific and due to the required accuracy, space limitations, and need for simple, easily readable scales, there are more than nine graduations (major, intermediate and minor)between numbered scale markings.Florida Power and Light Company believes that the existing manor/minor mark conventions and implementation of an operating range coding program on indicator scales is adequate and does not pose an operating/interpretation problem to control room operators.

Florida Power and Light Company intends no further action on this item.194

~F(ndin: (Section 6.5, File No.75)(HED No.6.5.1.5.a(3))

Circular meters on the reactor protection system do not have intermediate marks although they do have nine minor marks between numbered points.~Res onse: (Section 6.5, File No.75)The subject displays show disintegrations per minute and percent power.The indicators are clearly labeled and numerals are placed at major graduations.

These indicators provide secondary information and are not used for control functions by control room operators.

Florida Power and Light Company believes the subject indicator scales are correct for the intended use and intends no action on this item.~Findin: (Section 6.5, File No.76)(HED No.6.5.1.5.b)

The height of index marks on trend recorders does not comply with minimum requirements, and they are too small and difficult to discriminate.

~Res onse: (Section 6.5, File No.76)Trend recorders provide operators and plant staff with historical information.

Trend recorder paper is scaled and clearly indexed.The subject recorder scale legends are clearly labeled and scale graduations are provided as an operator aid.Florida Power and Light Company believes the subject recorders and their scales do not pose any interpretation or temporal error potential for control room personnel and intends no action on this item.195

~Findin: (Section 6.5, File No.78)(HED No.6.5.1.5.c)

The LPSI, HPSI and AUX HPSI valves have scale indicators with unconventional increments (0, 15, 30, 45...).Such a progression of valve indication may cause excessive time in reading scales.~Res onse: (Section 6.5, File No.78)The subject indicators provide the control room operator with an indication of valve controller output signal.The subject valves are automatically operated and require no operator action.In the event of operator intervention, control of valve position is determined by the associated header flow indicator, not valve output signal.Valve output signal is provided to assist the operator in diagnosing possible system failure modes, not control function.Florida Power and Light company believes the subject displays are correct for their design function and intends no action on this item.196 0

~F(ndin: (Section 6.5, File No.79)(HED No.6.5.1.5.c)

The flux axial offset and power range indicator scales do not increase by 1, 2,or5.~Res onse: (Section 6.5, File No.79)I;tt The subject indicator scales are process specific and their increments are a function of accuracy and range.The scale range and selected graduations provide the control room operator with the necessary accuracy and information for monitoring reactor power and flux axial offset.Range coding of the subject scales would not improve operator performance since there are variations for different operating conditions.

Florida Power and Light Company believes that the existing displays, associated supervisory annunciators and administrative controls provide adequate guidance with regard to operating limits and use of the subject displays.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.5, File No.83)(HED No.6.5.1.5.d)

The recorders for process radiation monitor on RTGB105, vibration and differential expansion on RTGB101 and pressurizer pressure on RTGB103 have multi-pointer scales with two different scale ranges.Scales are incompatible, if comparison is required.~Res ense: (Section 6.5, File No.83)The subject recorder scales are stand alone scales i.e.not used for comparison.

The recorder scales are correct and properly ranged for their intended application and no operator interpretation errors are expected.Florida Power and Light Company intends no action on this item.197

~Findin: (Section 6.5, File No.85)The CIS monitor and HVAC Post LOCA meter scales are identical but are numbered 1, 10, 102, 103, 104, 105 and others are numbered 100, 101, 102, 103, 104, 105.~Res onse: (Section 6.5, File No.85)There is little to no displav interpretation error associated with the subject indicators.

The indicator scales are direct reading and are consistent i.e.;all the CIS monitor displays are the same and all the HVAC POST LOCA displays are the same.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.5, File No.86)(HED No.6.5.1.d)The scale range on the blowdown and condensate conductivity recorder should be the same for steam generator 1A and steam generator 1B.~Res onse: (Section 6.5, File No.86)The scale multipliers are.1,.2 and.02.The recorder provides a trend of condensate and feedwater conductivity.

The scale's ranges are graduated by a factor of ten between the two steam generators such that operation personnel can identify any intrusion i.e.increase in conductivity at the earliest possible time by detecting any change in trend slope.Florida Power and Light Company believes the subject recorder ranges are correct for the intended design application and intends no action on this item.198

~F(odin: (Seotion 6.5, File No.90)(HED No.6.5.1.5.f)

Channel power indicators have multi-seal~

i~"tca'nr and hou d b ovn d(.d.unleSS theV Can be iuStified aS an Oner5)tiOn~l

.'nd preCautinn A p taken to avoid operator confusion.

These scales have one pointer with twin scales.~Res onse: (Seotion 6.5, File No.99)This finding poses no problem to the operator.These dual scales with single pointers are used to monitor source range flux levels and neutron power in percent.The source range automatically transfers to the power range when a predetermined level is reached in the source range scale and vice versa when decreasing power.Legend lights above the meters indicate which scale is in use.Florida Power and Light Company believes the current system is correctly designed for its intended use and intends no action on this item.~F(odin: (Section 6.5, File No.91)(HED No.6.5.1.5.f)

The steam generator P and total core flow indicators on RTGB103 use multi-scale and single pointer indicators.

~Res onse: (Section 6.5, File No.91)The subject indicators scales are manually selected by the control room operator and the active scale is also displayed by a backlit legend light.Florida Power and Light Company believes the subject displays are clearly labeled and identified as to which is selected to preclude any operator error.Florida Power and Light Company intends no action on this item.199

~Find(a: (Section 6.5, File No.92)(HED No.6.5.1.5.f)

The trend recorders associated with turbine vibration/differential expansion/casing expansion and turbine-speed/valve position use multiple scales with different ranges.The recorders are difficult to read and associate the appropriate information with its associated meter.~Res onse: (Section 6.5, File No.92)The.turbine supervisory recorder (turbine vibration/differential expansion/casing expansion) is primarily used during turbine startup and shut down.Points are clearly labeled on the legend plate and have associated supervisory annunciator alarms.The turbine speed/valve position recorder is also used during plant startup and the recorder is clearly labeled.There is little to no error assessment associated with the use of the subject recorders since they are direct reading and clearly labeled.Florida Power and Light Company intends no action on this ite'm.~F(ndin: (Section 6.5, File No.93, 94, 95 and 96)(HED No.6.5.1.6.C(1))

Sigma meters have three indicator lights, each light has three possible meanings i.e.provide indication of power to meters, high setpoint exceeded and low set point exceeded.~Res onse: (Section 6.5, File No.93, 94, 95 and 96)On those Sigma indicators where provided, the high and low setpoint indicator lights are intended to be used by instrumentation and control maintenance personnel when calibrating the indicators and are not used by control room personnel.

Equipment having high and/or low range setpoints are annunciated via the supervisory annunciator system when a parameter reaches a predetermined setpoint.The activation of the annunciator alarm window notifies the control room operator that corrective action is required.Sigma indicators with servo drive meter movements are provided with power indicator lights and do provide the control room operator of meter power feed status.Florida Power and Light Company believes that the existing sigma indicators are not confusing to operation personnel since they are dir ect reading analog displays and intends no action on this item.200

~Findin: (Section 6.5, File No.9V)(HED No.6.5.1.6.C(1))

Push buttons on the Reactor Protection System panel are colored amber.The conventional meaning of amber'is caution, alert.These push buttons do not fall in this narrowly defined meaning.~Res onse: (Section 6.5, File No.97)There is no potential for operator error associated with the subject push buttons.The identified push buttons are used for equipment calibration on the subject panel under procedural control and are clearly and adequately labeled.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.5, File No.99)(HED No.6.5.1.6.d)

The yellow indicating lights associated with the diesel generator control and voltage adjust rotaries does not indicate a permissive but rather an intermediate position (i.e.speed between fast and slow for Y17 and 29).~Res onse: (Section 6.5, File No.99)The subject indicating lights (yellow)do indicate permissive i.e.voltage is correct for load.Florida Power and Light Company intends no action on this item.201

~Findin: (Section 6.5, File No.101)(HED No.6.5.1.6.d)

Reactor trip breaker legend lights on top of the reactor protection system panel (RPS trip status mimic lights)are while lights and are used to denote breaker closed.Since green is used for breaker open, red should be used for breaker closed.~Res onse: (Section 6.5, File No.101)The subject mimic is a standard Combustion Engineering mimic provided for this generation plant.The mimic provides status of the subject breakers (illuminated light-breaker closed, light out-breaker open).The control room operator does not perform any control functions using the subject mimic and no operator errors are associated with it as a result.The mimic provides a quick status of breaker logic for the control room operator and does not pose any possible interpretation errors.Florida Power and Light Company intends no action on this item.Finding (Section 6.5, File No.105)(HED No.6.5.1.6.d(l))

On all other controDers except for the feedwater regulating valve controllers on RTGB 102, amber is used for the manual push button and white for the auto push button.On these controllers, blue is used for auto, white for manual and amber for hold.The push buttons are consistent in location and the amber hold button is used with the amber increase and decrease buttons.~Res onse: (Section 6.5, File No.105)The subject controllers are process specific and unique in the control room.The subject push buttons are clearly labeled, consistently arranged and operation personnel are trained in their use and function.Florida Power and Light Company intends no action on this item.202

~Findin: (Section 6.5, File No.109)(HED No.6.5.1.6.e(2))

Legend pushbuttons have low contrast with control panel.~Res onse: (Section 6.5, File No.109)Pushbuttons in the control room are of sufficient size and provide adequate contrast with background color (green)to allow for easy location and identification by control room operating personnel.

Florida Power and Light Company intends no action on this item.~F(odin: (Section 6.5, File No.111)(HED No.6.5.2.1.b)

Steam flow/feedwater flow process controller on the back of RTGB 102 and 103, increase with a downward movement.~Res onse: (Section 6.5, File No.111)The subject display is not a controller but rather displays the differential between steam flow and feedwater flow (i.e.zero in center and increasing valves in each direction).

The display is direct reading and is not used by control room operating personnel but rather plant support staff.The subject display is correct for its intended design function.Florida Power and Light Company intends no action on this item.203

~Findin: (Section 6.5, File No.112)(HED No.6.5.2.l.c)

The channel power/power range recorder and reactor coolant temperature recorder numbers increase in a right to left direction because trend recorder is installed in the horizontal section of the panel upside down.~Res onse: (Section 6.5, File No.112)The channel power/power range recorder is no longer used or installed.

The T average trend recorder is provided for operator reference with T reference.

The control room operator matches the T reference signal with T average by either adding boron or primary water to the reactor coolant system.The subject recorder is used as a match needed device (minimize the difference between signals).Florida Power and Light Company believes the application of the subject recorder is correct and intends no action on this item.~F(ndin: (Section 6.5, File No.115)(HED No.6.5.2.2.b(1))

The width of the trend recorder pointer on: A 2)3)Steam generator 1A and 1B outlet and turbine inlet pressure trend recorder Cir culating water intake water temperature trend recorder Blowdown and condensate ph trend recorder exceeds the width of the index scale intermediate marks and obscures shortest scale marks.~Res onse: (Section 6.5, File No.115)Trend recorders provide historical trends of desired process parameters.

The subject recorders use scaled gridded paper and operators read the required information directly off the subject recorder paper.The recorders provide directly readable information i.e.operators do not have to refer to index scale to determine reading.Florida Power and Light Company believes the subject recorders do provide the control room operators with directly readable information and intends no action on this item.204 0 0 2~F(ndin: (Section 6.5, File No.122 thtu 126, 128 and 131)The pen on the following recorders is not mounted close to scale causing parallax: 1)Pressurizer level recorder 2)Pressurizer pressure recorder 3)Hot leg temperature for loops 1A/1B 4)Cold leg temperature for loops 1A1/1A2 and 1B1/1B2 5)TAVE and TREF recorders 6)'ide range power recorder 7)Shutdown cooling heat exchanger inlet temp recorder 8)Turbine speed/valve position recorder 9)Generator megawatts~Res onse: (Section 6.5, File No.122 thtu 126, 128, and 131)Recorders provide historical trend information.

The above subject recorders are provided with scaled gridded paper and are direct reading.The operator is able to see parameter trend and also directly read the desired parameter from the recorder trace.Florida Power and Light Company intends no action on this item.~F(ndin: (Section 6.5, File No.129, 133, 134, 135, 136 and 132)(HED No.6.5.2.2.b(2))

Process controllers for the atmospheric steam dumps, steam bypass and pressurizer heated propor tional control have parallax between the indicator pointer and the green band used to indicate the operating setpoint band.~Res onse: (Section 6.5, File No.129, 133, 134, 135, 136 and 137)The subject green band on the process controllers in question is part of the original equipment design and is approximately 3/32 of an inch wide.The green band provides an operating band reference.

Operators use trend recorders and analog indicators when adjusting set points on the subject controllers since system feedback is necessary and the effects of an adjustment is not instantaniously measurable.

Florida Power and Light Company believes the controls are adequate and do provide the operator with sufficient accuracy and information to safely and efficiently perform the desired tasks.Florida Power and Light Company intends no action on this item.205

~Findin: (Section 6.5, File No.139)(HED No.6.5.2.2.c)

Trend recorder pointers are located behind the index scale rather than in front of the scale.~Res onse: (Section 6.5, File No.139)Trend recorders provide historical trends of desired process parameters.

All recorders use scaled and gridded paper.Operators read the required information directly from recorder chart paper.Recorders provide directly readable information i.e.operators do not have to refer to index scales to determine parameter valve.Florida Power and Light Company believes the subject recorders provide the control room operators with directly readable information and intends no action on this item.~F(odin: (Section 6.5, File No.140, 144, 145)(HED No.6.5.2.3)No process controller meters have color or pattern coding on the scale face to indicate normal, dangerous, undesirable or inefficient operating ranges.~Res onse: (Section 6.5, File No.140, 144, 145)The above finding was determined to be not applicable.

Range coding of controQer scales does not provide operation personnel with any meaningful information.

Operation personnel take readings and perform control functions based on analog and digital indicator feedback.Florida Power and Light Company does have a range coding program for indicators.

The subject finding was determined to be invalid and Florida Power and Light Company intends no action on this item.206 0

~Findin: (Section 6.5, File No.167, 168 end 170)(HED No.6.5.2.4.b(2))

The vibration phase eccentricity and phase angle vibration circular meters should have zero at 12 o'lock position instead of 10 o'lock position.~Res onse: (Section 6.5, File No.167, 168 end 170)The subject circular meters are direct reading and are clearly labeled.No operator error is associated with their use.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.5, File No.169)(HED No.6.5.2.4.b(2))

The megawatt and megavar meter do not have the zero position at 12 o'lock when positive and negative valves are displayed.

Zero is located at 11 o'lock position.~Res onse: (Section 6.5, File No.169)The subject circular indicators are direct reading and are clearly labeled.No operator error is associated with their use.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.5, File No.174 thsu 177)(HED No.6.5.3.1)Pointers on sigma meters obscure set point indicating lights.~Res onse: (Section 6.5, File No.174 thsu 177)Set point indicating lights are provided on sigma indicators as a calibration/maintenance aid for maintenance technicians.

The subject lights are used during field calibration bench testing of equipment.

The indicating light mentioned in the above finding is not used by control room operating personnel.

Florida Power and Light Company intends no action on this item.207 0 0

~Findin: (Section 6.5, File No.178 thru 188)(HED No.6.5.3.1.a(l))

Simple indicator light failure or display circuit is not immediately apparent to the control room operator.Extinguishment of light could mean either bulbs or system failure.~Res onse: (Section 6.5, File No.178 thru 188)The control room operator maintains simple indicating lights as part of their normal routines.Those lights with a press to test feature such as annunciators are periodically tested and maintained.

Safeguards equipment and related valves are periodically tested along with their associated indicating lights.Additionally, some displays such as diesel generator load sequence status lights are provided with redundant lamps.Florida Power and Light Company maintains that there is adequate information available to the operator such as analog indicators, trend recorders, and annunciators to verify equipment status as well as adequate surveillance testing and administrative controls to insure indicator lamp integrity.

Florida Power and Light Company intends no action on this item.~Findin: (Section 6.5, File No.189)(HED No.6.5.3.1.a(3))

Legend light removal on the electro-hydraulic control panel may cause shocks to the person trying to change the bulb.~Res onse: (Section 6.5, File No.189)(Duplicate of File No.46, Section 6.4)The subject lamps are removed with the associated tile or legend.The subject legends can be removed by hand without any potential shock hazard.Work requiring removal of equipment for maintenance is performed by the Instrumentation and Control Department.

Florida Power and Light Company intends no action on this item.208

~Findin: (Section 6.5, File No.190 thtu 194)(HED No.6.5.3.1.b)

Indicating lights lack uniformly of brightness because of inconsistent cover opacity.~Res onse: (Section 6.5, File No.190 thtu 194)he vb'ect nd'cator ah~p~~v de on/off status i.e.they are either illumIna'ed or not.There a)'e 52~~pera4or'n~erpre>a'ion erma a~c'ated with the subject lights since they are sufficiently bright to determine'he indicators status.Florida Power and Light Company intends no action on this item.~F(ndin: (Section 6.5, File No.208)(HED No.6.5.3.3.a(2))

Reactor protection system matrix relay legend lights (hold and drop out)are not legible unless component is illuminated.

~Res onse: (Section 6.5, File No.208)Florida Power and Light Company disagrees with the above finding.The subject legend lights are readable.In addition, they are status lights which are used while performing equipment surveillance testing under procedural control.The legend lights do not provide the operator with any status information with regard to plant operation.

Florida Power and Light Company intends no action on this item.209

~Findin: (Section 6.5, File No.211)(HED No.6.5.3.3.a(3))

The group deviation and highpower trip reset legend/pushbuttons are difficult to read when indicator lights are on.~Res onse: (Seotion 6.5, File No.211)Florida Power and Light Company disagrees with the above finding.The subject tiles are sufficient in size and have adequate contrast to afford quick and accurate discrimination by operation personnel.

The legends provide the operator with status indication with regard to associated channel activation and/or rod group status.The subject legend/pushbuttons are located with their respective controls and displays.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.5, File No.223)(HED No.6.5.4.1.c)

All radiation monitor impact trend recorders have more than nine minor marks between numbered points.~Res onse: (Seotion 6.5, File No.223)The subject recorder scales are process dependent and due to the desired accuracy, space limitations and need for a simple, easily readable index there are more than nine graduations between numbered index marks.However, major, intermediate and minor mark coding is employed along with scaled and gridded chart paper.The coding conventions employed allow for easy identification of trends and interpretation by control room operation personnel.

Florida Power and Light Company believes the existing trend recorders do provide direct reading information in a clear and easily read format.Florida Power and Light Company intends no action on this item.210

~Findin: (Seotion 6.5, File No.228 thru 233)(HED No.6.5.4.1.f)

Pen assemblies spill when the operator fills them.They are not easy to adjust properly.Spill on paper could cause loss of information.

~Res onse: (Section 6.5, File No.228 thru 233)Any time recorder maintenance is performed, a time mark is placed at the end of the trance and the subject trace is advanced or removed.Upon completion of maintenance and when the recorder is placed in service, it again is time marked and dated.Florida Power and Light Company believes adequate precautions are taken when performing recorders maintenance to prevent any data loss and intends no action on this item.~F(odin: (Section 6.5, File No.234)(HED No.6.5.4.1.g)

On more than half of the trend recorders the time marked on the paper is incorrect.

The discrepancy is in excess of two hours in most cases.~Res onse: (Seotion 6.5, File No.234)The subject trend recorders are provided with recorder chart paper which is scaled in both time and process parameter.

Control room operators date and time mark control room recorders once per twenty-four hour period to provide a reference point in the event there is a discrepancy in the recorder scale time mark due to maintenance or service.When recorders are removed for maintenance and or service, their charts are also dated and time marked.Florida Power and Light company believes that the current administrative practices provide adequate historical records and intends no action on this item.211

~Findin: (Seotion 6.5, File No.235, 236)(HED No.6.5.4.1.0 No recorders are adjustable for proper speed.Recorders should have a high speed and a selection of low speeds.~Res onse: (Seotion 6.5, File No.235, 236)The majority of recorders in the control room are not speed selectable by the control room operator but may have speed changes made by maintenance personnel.

Recorders are provided with single speed settings because there is no need for speed.adjustability due to the nature of the process they monitor (monitoring changes during plant steady state conditions e.g.plant at full power).In some instances, dual speed recorders are provided for use during startup or shutdown.The dual speed recorders provide control room personnel with better resolution of selected time based processes.

Florida Power and Light company contends the recorders provided in the control room are adequate and intends no action on this item.~Findin: (Section 6.5, File No.255)(HED No.6.5.4.2.b(4))

Recorders do not offer the capability to select any channel for display without awaiting completion of the cycle.~Res onse: (Section 6.5, File No.255)Impact trend recorders are used to monitor data points which normally have very close valves such that if one data point or a few data points go out of normal operating limits they can be easily identified.

The subject recorders can be selected to trend one desired data point and also trend blocks can be programmed on the plant computer.Florida Power and Light Company contends that the control room operator has adequate trend capability to identify and monitor any major potential plant parameter deviation.

Florida Power and Light Compariy intends no action on this item.212

~Findin: (Section 6.5, File No.257}(HED No.6.5.5.1.a(3))

Counters on RTGB 101 have more than four digits;there is no grouping and separation by comma, decimal point or additional space.~Res onse: (Section 6.5, Pile No.257)The subject mechanical counters were determined to be unnecessary and under normal plant maintenance are scheduled to be removed from RTGB 101.Florida Power and Light Company intends no action on this item.213 0

~Findin: (Seotion 6.5, File No.259)(HED No.6.5.5.1.c(1))

Drum counter numbers on RTGB 101 change is continuous movement rather than by snap action;may view more than one digit in window as they pass through intermediate points.~Res onse: (Section 6.5, File No.259)The subject mechanical counters were determined to be unnecessary and under normal plant maintenance are scheduled to be removed from RTGB 101.Flordia Power and Light Company intends no action on this item.'Findin: (Seotion 6.5, File No.260)~(HED No.6.5.5.2.a(2))

The subcooled margin monitor, hot leg temperature A/B loop and cold leg temperature A/B LED displays have slanted characters as opposed to simple characters.

~Res onse: (Seotion 6.5, File No 260)The subject finding has a very low error assessment associated with it since the LED displays in question are large and easily read by operations personnel from the equipment control station.Florida Power and Light Company intends no action on this item.214

~Findin: (Seotion 6.5, File No.261)(HED No.6.5.5.2.a(5))

Horizontal separation between counter numerals is greater than k the numeral width.~Res onse: (Seotion 6.5, File No.261)The subject counter numerals are large enough to be easily read from their respective operator control station.The above finding has a very low error assessment associated with it since the subject counters are used as integration devices and quantities are present prior to initiation of the automatic control function.Florida Power and Light Company intends no action on this item.~Findin: (Seotion 6.5, File No.262)(HED No.6.5.5.2.a(5))

Drum counters on RTGB 101 horizontal separation between numerals is not between one quarter and one half the numeral width;separation is too great.~Res onse: (Seotion 6.5, File No.262)The subject drum (mechanical) counters were determined to be unnecessary and under normal plant maintenance are scheduled to be removed from RTGB 101.Florida Power and Light Company intends no action on this item.215

~F(ndin: (Seotion 6.5, File No.263)(HED No.6.5.5.2.b)

Numerals for D.C.volts display on the reactor protection system follow each other in succession faster than two per second.This makes it quite difficult to read.~Res onse: (Seotion 6.5, File No.263)The subject voltage display on the reactor protection panel also has an analog display associated with it such that rate of change can be observed clearly by operation personnel if desir ed.The subject digital display allows for more precise readings at steady state conditions if required.Florida Power R Light Company contends the subject displays are correct for their intended function and intends no action on this item.216 0

~Findin: (Section 6.6, File No.50-54)(HED No.6.6.2.3.a)

Position labels are diagonal rather than horizontally oriented about rotary , controls.~Res ose: (Section 6.6, File No.50-54)This type labeling of subject rotary control positions is an industry standard.Operators recognize this method of labeling as standard.If guidelines were followed with labeling switches of this type it would be more confusing.

Florida Power 4 Light Company intends no further action on this item.~Findin: (Section 6.6, File No.109)(HED 6.6.3.4.a)

The use of abstract symbols in labels may not be commonly accepted by all operators, i.e., Gen.current OA, OB, OC.~Res onse: (Section 6.6, File No.109)This subject abstract symbol is industry standard.It is mentioned as part of training.Florida Power 4 Light Company intends no action on this item.217

~Findin: (Section 6.7, File No.1)(HED No.6.7.1.4.b)

Pushbuttons on the internals vibration monitor are arranged other than normal keyset arrangement.

~Res onse: (Section 6.7, File No.1)The pushbuttons.are arranged on subject keyboard in a consistent manor with other industry keyboards.

Florida Power and Light feels this is also a low error assessment finding.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.7, File No.2)(HED No.6.7.1.4I)'I DDPS Panel has a pushbutton labelled leak.This was used to demand a cable leakage program on the incore detectors.

The program is now removed and pushbutton is no longer functional.

Control room keyboards should only contain useable keys.~Res onse: (Section 6.7, File No.2)The subject pushbutton is engraved.Information about said pushbutton is supplied in training.Florida Power and Light Company, due to the low error assessments, intends no action on this item.~Find in (Section 6.7, File'No.3)(HED No.6.7.1.5d)There are groups of keys (pushbuttons) which are used together or are related but are separated by unrelated keys.Keys used together should be placed together.~Res onse: (Section 6.7, File No.3)The subject keys are engraved.Operators have operating procedures available for a reference.

This was a low error assessment.

Florida Power and Light Company intends no action.218 0

,~Findin: (Section 6.7, File No.4)(HED No.6.7.1e5d2)

A variety of functions are performed on the DDPS keys.The distinguishability of various keys is difficult.

~Res onse: (Section 6.7, File No.4)The keys functions are covered in operator training.Operating procedures are available for reference.

This find also has a low error assessment., Florida Power and Light Company intends no action on this item.~Findin: (Section 6.7, File No.10)(HED No.6.7.1.8B1)

Sequence of events recorder output points are divided into groups but the groups are not named to facilitate location of a point.Operators must look through each group to find the point they are looking for.~Res onse: (Section 6.7, File No.10)Sequence of events recorder provides histirical information and that is the only intent.Operators use board information for equipment and system status.Florida Power and Light Company intends no action on this item.~Findin: (Section 6.7, File No.11)(HED No.6.7.2.1a)The CRT metrascope numbers are difficult to read from a distance.Control rod degree of withdrawal numbers are small and colored light orange.~Res onse: (Section 6.7, File No.11)This same information is provided redundently at other locations.

The control rod degree of withdrawal is also on the core mimic as well as the step counters.Florida Power and Light Company intends no action on this item.219

~Findin: (Section 6.7, File No.13)(HED No.6.7.2.1C2)

When ambient illumination in the vicinity of the CRT (metrascope) is in the medium to high range (30-50 ft.candles), the CRT should use dark characters on light background.

The illumination is (40-46 ft.candles)and light characters are used against dark background.

~Res onse: (Section 6.7, File No.13)Florida Power and Light Company is investigating the removal of the existing Lucite screen and to replace it with a matted anti-glare screen to improve the display format.This work is being done to satisfy File No.14.Therefore no action is being taken about lighting changes or changing the metrascope background or color display.~Findin: (Section 6.7, File No.15)(HED No.6.7.2.1h)The operator can not adjust lumance, contrast, or color of the Metrascope

'RT.~Res onse: (Section 6.7, File No.15)There is no need to adjust the lumance, contrast, or color of the Metrascope once it has been set.The readout is alpha-numeric and can be adequately read.Therefore no further action is intended.~Findin: (Section 6.7, File No.16)(HED No.6.7.2.2f1)

Rod group displays are not formatted in like groups.The displays are too close together so that it is hard to see individual rod displays and rod numbers.~Res onse: (Section 6.7, Pile No.16)The Metrascope is a redundant display and provides relative group information.

Rod information can also be obtained from the core mimic and step counters.Thus no further action is intended.220

~Findin: (Section 6.7, File No.17)(HED No.6.7.2.2fkd)

The rod group displays for groups A and B on the metrascope are too smag and too close to be read by the operator when the CRT is greater than 35 from the operator's straight ahead line of sight.~Res onse: (Section 6.7, File No.17)The Metrascope will be moved closer to the operator when SAS is added to the panel.Therefore there will not be any modifications to the display format or size.~Findin: (Section 6.7, File No.20)(HED No.6.7.2e4n)Rod labels are below the rod indication rather than above the rod sysbol.~Res onse: (Section 6.7, File No.20)The rod label position has a very minor effect on the accuracy of reading rod position.The Metrascope displays are adequately different from other displays that label position.No further action is intended.~Findin: (Section 6.7, File No.21)(HED No.6.7.2.7b)When rods drop after a trip the Metrascope flashes making the readability of rod position impossible.

The operator can not determine if all the rods are down.~Res onse: (Section 6.7, File No.21)The primary source of information for dropped rods or fully inserted rods is the rod bottom light display on the core mimic.Therefore no further action is intended.221

~Findin: (Section 6.7, File No.22)(HED No.6.7.3.1c)The radiation monitor prints non-existant points and values along with existing monitored points during a point summary printout.The non-existant points are marked with asterisk which is the alarm indication.

~Res onse: (Section 6.7, File No.22)A list of the monitored points is posted for the radiation monitor to aid the operator in interpreting the summary printout.Therefore no further action is intended.~F(odin: (Section 6.7, File No.23)(HED No.6.7.3.1c)The Calorimetric Data Log identifies numerical values with units of measurement and point number.The operator needs to look at the number in the system manual to see what is being monitored.

~Res onse: (Section 6.7, File No.23)This data is collected for plant records and the historical file.The monitored parameter can be looked up when the files are being reviewed.The operator does not normally use this log for operations.

No further action is intended.~Findin: (Section 6.7, File No.24)(HED No.6.7.3.1c)The Fire Protection Panel data points consist of a 6 digit location point that identifies the monitor in alarm.The operator needs to look up the'umber on a chart to determine the name of the area in alarm, the slide that shows a drawing of the area, and the location of the detector.~Res onse: (Section 6.7, File No.24)The current system provides the operator with more detaild information than is possible with a verbal description of the monitored location.Therefore no further action is intended.222

~Findin: (Section 6.7, File No.25)(HED No.6.7.3.1d)The Sequence of Events Recorder prints 144 lines per minute and the backup printer prints 12 lines per minute.These are slower than the 300 lines per minute recommended for an alarm printer.~Res onse: (Section 6.7, File No.25)The present printer and buffer are adequate for the amount of data that needs to be printed.Therefore the system will remain as is and no further action is intended.~F(odin: (Section 6.7, File No.29)(HED No.6.7.3.le3)

Instructions to load paper on the Sequence of Events Printer are not provided.~Res onse: (Section 6.7, File No.29)The paper is loaded similar to a standard typewriter.

Since the loading of paper is obvious, no instructions are needed.~Findin: (Section 6.7, File No.30)(HED No.6.7.3.le3)

Instructions to load paper on the Radiation Monitor Printer, Fire Panel Printer, and DDPS Printer are not provided.~Res onse: (Section 6.7, File No.30)The paper is loaded similar to a standard typewriter.

Since the loading of paper is obvious, no instructions are needed.223 Q,i

~Findin: (Section 6.7, File No.31)(HED No.6.7.3elf1)

The Sequence of Events Printer obscures the last printed line since it does not automatically advance.~Res onse: (Seotion 6.7, File No.31)The operator can manually advance the paper as required.Therefore no further action is intended.~Findin: (Seotion 6.7, File No.33)(HED No.6.7.3.2)Annunciators alarms are not all monitored by the Sequence of Events Recorder.The Sequence of Events Recorder does not print the same message as written on an annunciator when both monitor the same parameter.

The operator can not request that messages be printed by alarm grOupse~Res onse: (Section 6.7, File No.33)The Sequence of Events Recorder records predetermined parameter alarms.It is not intended to be a log for all annunciated alarms.Therefore no further action is intended.224

~Findin: (Section 6.8, Pile No.l)(HED No.6.8.1.1.b)

Containment vacuum relief valve indicator lights are located above the auxilliary/ECCS system damp ers indication lights instead of the containment purge valve indication lights.~Res onse: (Section 6.8, File No.l)These valves are automative except for manual test.There is not any normal or emergency operator action required which would be associated with other valves.Therefore, no action will be taken on this item.~Findin: (Section 6.8, File No.7)(HED 6.8.1.2)The letdown level and letdown pressure rotary switches must be operated simultaneously.

These switches are in the least comfortable zone for ease of reach and the 5th percentile female operator cannot reach these switches.~Res onse: (Section 6.8, File No.7)A subsequent walk through was made with a 5th percentile female, who was able to operate the control switches without undue strain.No further action is intended.225

~Findin: (Section 6.8, File No.18)(HED No.6.8.2.1a2)

Component strings on panels 102, 105 and 106 are arranged in an illogical sequence (1A, 1C, 1B)and do not follow the normal alpha numeric sequence of 1A, 1B, 1C.~Res onse: (Seotion 6.8, File No.18)The"C" components are placed between"A" and"B" components since they can share either the A or B power supply.This placement serves as an indicator to the operator that the power supply is shared.No further action is intended.~Findin: (Seotion 6.8, File No.21)(HED No.6.8.2.lc)Caustic tank level and pressure displays have been located around component cooling water displays which are unrelated.

~Res onse: (Seotion 6.8, File No.21)The displays were reviewed by operations and engineering.

The safeguards actuations are automatic.

Therefore there is minimal possible operator error involved, so no further action is intended.226

~Findin: (Section 6.8, File No.22)(HED No.6.8.2.1.eel)

Controls and displays for RPS trip status matrix relay hold and trip circuit breaker reset are used together but are not within functional reach of each other.~Res onse: (Section 6.8, File No.22)These controls and displays are used during equipment calibration and surveillance testing.Therefore, no further action is intended.~Findin: (Section 6.8, File No.29)(HED No.6.8.2.2.a)

The radiation monitoring cabinets are not located in sequential order.Their order is ACBDE.~Res onse: (Section 6.8, File No.29)The radiation monitors are clearly labeled as to which radiation monitoring channels are in each cabinet.The cabinet sequence is not important.

Therefore, this is a low error assessment and no further action is intended.227

~F(ndin: (Section 6.8, File No.30)(HED No.6.8.2.2.a)

The pressurizer safety discharge temperature and pressurizer relief line meters are not installed in sequential order with respect to their'ngineering numbers, the order is 1107, 1108, 1109 and 1106.~Res onse: (Seotion 6.8, Pile No.30)These meters were functionally installed.

The temperature monitored lines (sensors 1107, 1108 and 1109)discharge into the relief line 1106.The arrangement is correct and no action is intended.~Findin: Section 6.8, File No.34)(HED No.6.8.2.2.b)

The steam drain valve indicating lights are top-to-bottom while the governor end cross under valve indicator lights are ordered from left-to-right.~Res onse: (Seotion 6.8, File No.34)These valve indicator lights are installed to reflect the field installation sequence of the valves and are correct.They are simple indicating lights to show valve position and there are no controls involved in the control room.Therefore, no action is intended.228"

~Findin: (Section 6.8, File No.41)(HED No.6.8.3.1)The rotary controls for the CH power/power range recorder and the reactor coolant temperature recorder are mounted closer than 1 inch apart.~Res onse: (Section 6.8, File No.41)The controls are functionally located with their displays.The display configuration is adequate and no further action is intended.~Findin: (Section 6.8, File No.42, 43)(HED No.6.8.3.l.a)

Several controllers that require fine adjustments are not located in the operators optimum perpendicular line of sight.The top of the scale is subject to parallax.~Res onse: (Section 6.8, File No.42, 43)The subject controllers are functionally located with their displays.The important readings are not at the upper range of the meter scale.Florida Power and Light Company considers the arrangement adequate and intends no further action.229 0 0 0

~Findin: (Section 6.8, Pile No.44)(HED No.6.8.3.1.b)

Rotary controls for spray PCV-110 E.P.and the RC pump oil light pump are mounted too close.These controls do not have a guard, high movement resistance or other protection from accidental movement.~Res onse: (Section 6.8, Pile No.44)There is a low error assessment with this problem.The rotary controls need to be finely adjusted and increasing the turning resistance would be detremental.

Therefore, no further action is intended.~F(odin: (Section 6.8, File No.45)(HED No.6.8.3.1.b)

Rotary controls for shutdown cooling return and RAS control channels are, mounted too close.These controls do not have protection from accidental movement.~Res onse: (Section 6.8, File No.45)There is a low error assessment and no action is intended.(See Pile No.44)230 00

~Findin: (Section 6.8, File No.46)(HED No.6.8.3.1.b)

The rotary controls for letdown level are too close.These controls do not have protection from accidental movement.~Res onse: (Section 6.8, File No.46)There is a low error assessment and no action is intended.(See File No.46)~Findin: (Seotion 6.8, File No.47)The RMW flow pushbutton does not have a barrier and it is not separated from other controls by at least k inch.~Res onse: (Section 6.8, File No.47)The operators have not experienced problems with this pushbutton spacing.There is a low error assessment and no action is intended.231"

~Findin: (Section 6.8, File No.48)(HED No.6.8.3.l.b)

The RW flow pushbutton is too close to other controls.~Res onse: (Section 6.8, File No.48)This is a duplicate of Pile No.4V.~Findin: (Section 6.8, File No.49)(HED No.6.8.3.l.b)

Pushbuttons on steam bypass controller and PW reg M/A steam generator controls are too close.The pushbotton and controllers do not have protection from accidental movement.~Res onse: (Section 6.8, File No.49)This problem has a low error assessment and no further action is intended.232'

~Findin: (Section 6.9, File No.3)(HED No.6.9.1.1.a)

The displays for RCS pressure must be observed while manipulating letdown pressure.The display is on an adjacent panel and may cause paraQax while trying to monitor the display.~Res onse: (Section 6.9, File No.3)The process/task associated with the use of the subject controller and associated display requires that a small control adjustment be made and the effect on the process (lowering or increasing RCS pressure)be checked a few minutes after the control adjustment.

The control room operator is free to move around in the control room to perform other tasks and monitor displays.The process control adjustments are made in the above manner until the desired pressure is maintained.

The same operating procedure would be required if the display was mounted directly over the controller or as it is currently placed (12 inches to the right).Florida Power and Light Company maintains that the existing control/display arrangement if functionally arranged to be optimize available space, separation requirements and normal/off normal operating requirements.

Florida Power and Light Company intends no action on this item.~F(ndin: (Section 6.9, File No.4)(HED No.6.9.1.1.b)

Controls for the flash tank, boric acid flow, liquid waste flow and letdown are located so that a right-handed operator will obstruct the view of the associated display with his hand.~Res onse: (Section 6.9, File No.4)Af field walkdown was performed and it was determined that an operator can operate these controls without obstructing his view.Therefore, no action is intended.233 0 0 0

~Findin: (Section 6.9, File No.5)(HED No.6.9.1.1.b)

Controlls for the pressurizer heaters, pressurizer level, and spray PCY are located so that a right-handed operator will obstruct his view of the display.~Res onse: (Section 6.9, File No.5)A field walkdown was performed and it was determined that the operator can adequately see the displays, therefore, no action is intended.~Findin: (Section 6.9, File No.6)(HED No.6.9.1.1.b)

Controls for SI loop leakage and shutdown cooling are located so that a right-handed operator will obstruct his view of the display.~Res onse: (Section 6.9, File No.6)A field walkdown was performed and it was determined that the operator can adequately see the displays, therefore, no action is intended.~Findin: (Section 6.9, File No.7)(HED No.6.9.1.1.b)

Controls on panel 102 are located so that a right-handed operator will obstruct his view of the display.~Res onse: (Section 6.9, File No.7}A-field walkdown was performed and it was determined that the operator can adequately see the displays, therefore, no action is intended.234

~Findin: (Section 6.9, File No.8)(HED No.6.9.1.1.b)

The rod number counter is not visible while using the associated thumbwheel to change counter valves.~Res onse: (Section 6.9, File No.8)A field walkdown was performed and it was determined that the operator is able to monitor the displays, therefore, no further action is intended.~Findin: (Section 6.9, File No.9).(HED No.6.9.1.l.b)

Controls for CH power/power range recorder and reactor coolant temperature recorder are located so that the operator's hand obscures his view of the display.~Res onse: (Section 6.9, File No.9)A field walkdown was performed and it was determined that the operator can adequately see the displays, therefore, no action is intended.~Findin: (Section 6.9, File No.10)(HED No.6.9.1.1.b)

Controls for RC pump seal cooler heat exchanger isolation valves are located so that the operator's hand obscures his view of the display.~Res onse: (Section 6.9, File No.10)A field walkdown was performed and it was determined that the operator can adequately see the displays, therefore, no action is intended.235

~Findin: (Section 6.9, File No.11)(HED No.6.9.1.1.b)

File 11 is a duplication of File No.10.~Findin: (Section 6.9, File No.15)(HED No.6.9.1.2.a.1)

Discharge valve indications on the safeguards panel (panel 106)must be checked before operating feedwater pump controls.~Res onse: (Section 6.9, File No.15)Discharge valves must be opened before the pumps can be started.The pumps are interlocked with low flow and low pressure trips.Valves are functionally grouped with containment isolation status.Therefore, no further action is intended.~Findin: (Section 6.9, File No.16)(HED No.6.9.2.1.b)

Legend lights for dual scale nuclear instrumentation are in a bottom to top sequence while the meter is in a left to right sequence.~Res onse: (Section 6.9, File No.16)The appropriate light indicator indicates what scale the operator should use.There is no confusion as to which scale to use.Thus, no further action is intended.236

~Findin: (Seotion 6.9, File No.17)(HED No.6.9.2.1.b)

The hydrogen purity meter bottom scale reads from top to bottom and the top carbon dioxide scale reads from bottom to top.The hydrogen is flushed from the generator with carbon dioxide, which is flushed'ith air.The parameters on the scale are arranged from hydrogen-air-carbon dioxide.~Res onse: (Seotion 6.9, File No.17)The meter scale is arranged in the described manner due to the physics of the instrumentation used to make thees measurements.

The indications are clear, and there is no operator confusion.

Therefore, no further action is intended.P~Findin: (Seotion 6.9, File No.19)(HED No.6.9.2.2.a) s The display monitored while adjusting the controller is directly below it.Process controller adjusts position of steam valve supplying turbine.~Res onse: (Section 6.9, File No.19)The subject auxiliary feedwater steam turbine speed controller displays pump speed on the top indicator and controller output signal on the bottom indicator.

The subject controller and associated displays are clearly labelled and easily monitored by control room operators.

Florida Power and Light Company maintains the subject controller and associated displays are correct as is and intends no action on this item.237 0 0

~Findin: (Section 6.9, File No.21)(HED No.6.9.2.2.a(1))

Displays on vertical panel 101: 1)2)3)4)5)Bearing oil temperature Bearing oil pressure Electric hydraulic fluid pressure Electric hydraulic fiuid pump lA and 1B control Bearing oil lift pump control are not located directly above their corresponding controls.~Res onse: (Section 6.9, File No.21)The controls for the subject equipment are aligned during unit startup and shutdown, i.e., turned on or off.There is no throttling control or any other operator associated control functions associated with these controls.The subject displays provide control room operators with the necessary information to periodically monitor field equipment status.The subject controls and displays are clearly labelled and demarcation will be applied at a later date.Florida Power and Light Company maintains the control display configuration is adequate and intends no further action on this item.238 3.3.2 DELETED/INVALID FINDING (NO FURTHER ACTION REQUIRED)As a result of the Detailed Control Room Design Review and Human Engineering Descrepancy Review Team meetings on St.Lucie Unit No.1 there were 17 findings (summarized in Table 3.2-1)which were deleted either because they were duplicated elseware or because they were invalid.These findings were dispositioned as requiring no further action.These items are presented in detail along with Florida Power and Light Companies dispositioning of these items.The following is a list of those findings which were, deleted.The subject findings are listed by section number as they relate to NUREG-0700 and file number as they relate to FPdcL's tracking system.A more detailed listing along with a brief description of each line item is presented in Section 3.5 of this report.SECTION NO.FILE NOS.6.1 6.4 6.5 6.6 6.8 6.9 4,35,36 77 12,41,44,45,48,49,50,107,244,248 138'>>239.'

~Findin: (Section 6.1, File No.4)(HED No.6.1.1.2a)Control room assignments do not ensure that the radiation panel, computer console and CRAG panel will be operated correctly during all plant conditions because operators have not received any training on them.~Res ense: (Section 6.1, File No.4)As a result of the HED review team meetings it was determined that the operator training program has incorporated training with regard to new panel installations.

Operators are trained and the subject finding was dispositioned as invalid and Florida Power and Light Company intends no action on this item.~Findin: (Section 6.1, File No.35)(HED No.6.1.4.2d)There is no specific procedure for operation of the hot shutdown panel.~Res onse: (Section 6.1, File No.35)During HED reviews it was identified that plant operating procedures as well as surveillance test procedures do exist for operation of the hot shutdown panel.The subject finding was dispositioned as invalid and Florida Power and Light Company intends no action on this item.~Findin: (Section 6.1, File No.36)(HED No.6.1.4.2d)There is no procedure for recovery from loss of both heater drain pumps.~Res onse: (Section 6.1, File No.36)As a result of the HED review team meetings it was determined that control room operators are trained in normal and off normal plant operation and adequate plant procedures do exist for plant normal/off normal conditions.

The subject finding was dispositioned as invalid and Florida Power and Light Company intends no action on this item.240

~Findin: (Section 6.4, File No.77)(HED No.6.4.4.5c)Control has a fixed pointer and a moving scale which minimizes readability.

~Res onse: (Section 6.4, File No.77)As a result of the HED review team meetings it was determined that the subject control scale numerals and index marks are large to provide the operator with sufficient readability for the desired accuracy.The subject finding was dispositioned as being invalid and Florida Power and Light Company intends no action on this item.241

'

~Findin: (Section 6.5, File No.12)(HED No.6.5.1elc)The boric acid flow and reactor makeup water flow trend recorders are only meaningful when boration is being done in automatic mode.Since it is always done in manual mode, the subject recorders do not provide the operator with any useful information.

~Res onse: (Section 6.5, File No.12)As a result of HED review team meetings it was identified that the subject trend recorders provide operators with trends and a historical record of boration whether the operation is performed manually or automatically.

This information is useful to operation personnel in determining rates of expected power change.The subject finding was determined to be invalid and Florida Power and Light Company intends no action on this item.~Findin: (Section 6.5, File No.41, 44, 45, 48, 49 snd 50)(HED No.6.5.1.2d)Meter scales do not cover the necessary operating ranges.~Res onse: (Section 6.5, File No.41, 44, 45, 48, 49 end 50)As a result of the HED review team meetings it was determined that indicator scale ranges selected were intended to cover not only normal but also off normal (i.e., accident conditions) operating ranges as required by regulatory guidelines.

In addition the plant process computer also augments the control room operators available instrumentation system.The subject findings were determined to be invalid and Florida Power and Light Company intends no action on these items.242 i

~Find(0: (Section 6.5, File No.107)(HED No.6.5.1.6.d(1)(2)(3))

Green applied to metroscope is not within the contentional meaning of green (stop, close, etc.)~Res onse: (Section 6.5, File No.107)The metroscope (CRT)display used for control and assembly status is a black and white display.The subject display does not implement any color conventions.

Florida Power and Light Company believes the subject findings is invalid and intends no action on this item.~Findin: (Section 6.5, File No.244)(HED No.6.5.4.2a(l))

Single pen recorders have units of measurement labels with the same format as dual pen recorders.

~Res onse: (Section 6.5, File No 244)As a result of the HED review team meetings it was identified that the subject recorder legend labels were correct.The subject finding was dispositioned as invalid and Florida Power and Light Company intends no action on this item.243

~Findin: (Seotion 6.5, Pile No.248)~~(HED No.6.5.4.2a(2))

Multiple scales are presented on the turbine vibration/expansion differential/easing expansion recorder and the turbine speed/valve position recorder but lack coding.~Res onse: (Section 6.5, File No.248)I As a result of the HED review team meetings it was determined that the subject finding was invalid since the turbine vibration/expansion differential/easing expansion recorder has a legend plate and each point is identified by a data point number and the turbine speed/valve position recorder is a single pen unit.It was determined that the subject finding was invalid and Plorida Power and Light Company intends no action on this item.244

~Find(a: (Seotian 6.6, File Na.138)(HED No.6.6.3.8c)Control position information on J handles and key switches on the CRAG panel are obscured by the control handles.~Res onse: (Section 6.6, File No.138)The subject finding is a duplicate of File No.137 Section 6.6 and was deleted.Florida Power and Light Company intends no action on this item.245

~Findin: (Section 6.8, File No 27)(HED 6.8.2.2a)On RTGB 106, controls and displays for HPSI Pumps: C/A (Discharge Valve V-3655)and C/B (Discharge Valve V-3653), do not follow a top-to-bottom convention.

Switch B is located above switch A.~Res onse: (Sction 6.8, File No.27)As a result of HED review team meetings it was identified that the subject valves and display arrangement do comply with the recommended convention configuration (top-to-bottom).

The Valves functionally operate as swing or cross tie valves for the HPSI system.The subject finding was dispositioned as being invalid and Florida Power and Light Company intends no action on this item.246,

~F(odin: (Section 6.9, File No.l)(HED No.6.9.1.1)Indicator lights for the blowdown valves RCV-23-1, RCV-23-2 and RCV-31-1 are not located near their controls.~Res onse: (Section 6.9, File No.l)As'a result of the HED review meetings it was determined that only the display, i.e., indicator lights are located in the control room for operator information, no controls are provided.This HED was determined to be invalid and Florida Power and Light Company intends no action on this item.247 0

3.4 COMPLETED BACKFITS 3.4.1 COMPLETED ENHANCEMENT/DESIGN SOLUTIONS As a result of the construction work during the St.Lucie Unit No.1 refueling outage there is 1 finding (summarized in Table 3.2-1)which was completed.

The following states the finding by section number as it'relates to NUREG-0700 and file number as it relates to Florida Power and Light Companies tracking system.A description of this finding and it's correction foDows: SECTION NO.FILE NOS.6.8 33 248 0 D

~Findin: (Section 6.8, File No.33)(HED 6.8.2.2.a)

On RTGB 106 the arrangement of component strings for the four Safety Injection Channels is illogical and doesn't follow operator expectations for an alpha numeric sequence convention as per NUREG 0070 Guidelines (top-to-bot tom and lef t-to-right).

The controls and displays of subject components involving the: SI Loop Pressure Indicators SIT Pressure Indicators SIT Level Indicators SIT Leakage Valves SIT Fill/Drain Valves LPSI Valves(s)R Displays HPSI Valve(s)R Displays Rows of displays are not placed symetricaQy above corresponding controls.~Res ense: (Seotion 6.8, File No.33)The subject controls and displays were relocated and placed in the correct conventional configuration.

This HED was reviewed as a part of an Engineering Integration Review meeting and was resolved with the issuance of a Plant Change Modification (PCM 0290s183)3 and was completed during the 1983 Refueling Outage.249 3.4.2 SCHEDULED COMPLETION DATES FOR STANDARIZED BACKFITSOLUTIONS This section provides the currently scheduled completion dates for the Plant St.Lucie Unit No.1 Standardized Backfit Program.PROGRAM 1.'abeling 2.Demarcation 3.Annunciator Review a)Hardware Installation 4.Coding Convention 5.Engineering Intergration Review*a)Dispositioned Complete (install)b)Disposition Pending (comp.eval.)6.Administrative and Training COMPLETION DATE December 1984 December 1984 July, 1984 Next Refueling Outage September 1984 July, 1984 Prior to return from 1983 outage August, 1984 December 1984*NOTE: Refer to Section 3.2;5 of this report for a list of those engineering intergration review items scheduled for installation during the units 1983 refueling outage and those items remaining to be reviewed, dispositioned and reported on by August 30, 1984.250 3.5 IMPLEMENTATION PROGRAM TRACKING SYSTEM AND

SUMMARY

REPORT The Human Factors Implementation Program Tracking System data base has been developed for the purposes of maintaining:

o Inventory Control o Status Update o Open Items List o Project History 3.5.1.INVENTORY CONTROL The Implementation Program Tracking System will account for a file of records, which are documented Human Engineering Discrepencies complied from an audit performed by Essex Corp.in coDaboration with Florida Power and Light Company.These records are a brief synopsis of each Human Engineering Discrepancy containing:

1.2.3.4, 5.A unique FPRL control file index numbering system.Human Engineering Discrepancy number based on a"as found" descrepency with reference to the NUREG 0700 indexing format.Identity of the general area or location in the plant where the problem exists.Responsible lead for work being done.A brief description of descrepency.

3.5.2.STATUS UPDATE The Implementation Program Tracking System will maintain status of each Human Engineering Discrepancies which will be within a status block designated for status (or progress)information, and will provide a current work history (or synopsis)of each controlled item.3.5.3.OPEN ITEM LIST DEVELOPMENT When inventory control and status updates are made, the Implementation Program Tracking System provides project management with a current"Open Items List", and will enable effective and systematic"closing" of each item.The items that were completed have the associated Plant Change Modification number listed where applicable, and are included in the Implementation Program Tracking System for accountability and historical reasons.'"251 3.5.4.PROJECT HISTORY Upon completion of the task, this document will provide a project work history for reference purposes, and can be used at any point in time as an index for resolutions and applications for the work done during Human Factors implementation program.The intent of the Implementation Program Tracking System is'o provide project management and support work organization groups with an effective means of coordinating and facilitating the Human Factors work effort.The up-date of the Implementation Program Tracking System will be done on a"as needed" basis.3.5.5 PROGRAM INDEX AND LISTING The following computerized listing is the index and listing of Florida Power and Light Company St.Lucie Unit No.1 Detailed Control Room Design review implementation program tracking system.(See Appendix 1).

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RANGE.QOOlNG...~ .:t~,"'~)EF".NEO,6 SP2 AM)LE49)4Q,.Q.;. tt/A EPJ.".JUSTIF.L'LCJt, PF'RhNG E CODINFE...'.'BEF.ItED TERED*)Q k FILFCOi)Q',L>><<r,>>-.*t~~: y'Err>>,;ger.~eI Q>>>>q q, q'Q w",~'>1>>Q e Q r>>'~L I I rQ L1'~>>--~~~E>>."r+0~q~~->>'.,),.>>~~*~~~~=*--r~o~.>><<>>p.Q g I;r<<--r r" i-~>>~>>)'I t~.-')t ~LOS I OA P)HLR A40 LIGHt CO E.BASCO SERVLCfS INCUHPORATEO S.ONT-.E(EO N)/INOAX NU 5 I L UC IE UNIT 1 OE IAILEO L ONIHOL ROOH OESlGN REVIEM PAGE~0038-10/26/S3 DATA Ot)SE" Og f ILE/INSET (A)4 HEO NU (8)lu AREA CA I RESP.(C)4 (O)4 (E)lu 0:SCRIP TION ()40 STATUS (G)40--,--I~~:~1146" bva 2 3 gf"0331)14]~goo~Zap HF 0332 2 C,NE0/fE,C.ZC'EO/INC L(C((OF RANGE COOING, LIC((OF, RANG)CgOING, PREF-.Hkn 6.5.j,j FILE~OI40..; 'I~~I~P a~I...RKF..PEQ ()2%sgi)fTLE!O.tr(0.-... 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P~~}I I A\ZC.NEO/IAC..(4CK Of.SET POINTERS HARAERS...:.2 ..-..REF....HEO ('2'+5~223.FILESOI40 ~~I P P/1,~-*V=I,~ ST LUCIE UNlf 1 OEIAILt.'ll CUNIRUL O'ION)ESIGN REVIEH 10/Z6/0 3 OAIA BASE-OH', I~0 0 I I RESP I*S IAIUS I E)10 I G}40~~1'Zc NEO/Ixc L4cll.of scALE coul jG~.-~-" REF-HE0,605.,20$ -.FILEsnt40 I I I-,*~,~0~II I~~NE4/ICC., LACb Of, SCALE.j:OQ$$9,,...~REf;" NEO (I,StK3 Fjl E!0(t)0,..ZA.HEO/ICC,.L4CN OF..SCALE COOING..-....,:..R EF=ttEQ k~5~Rt)f ll E!Q1%Q.ii 3., NEO/1IC..S:.I..PPI.NKRS M.SCjlRF'INSZRiitif tiI CQflf TN--'P EF PEO 6'2~3')LE!014$S I\~C I: NE4/LAC'-."-~"'"'""'~--'~-"W>Z."~~4~~" BEE~;diEIL1'Ii5*Z.X;;E/LEf91(sQ'""- I 00 I I I NEP/'ICP..";-.'-'.-Lt CP'af;SCALE r(tan~a-,s",I(",.','...'...",;tL;"-.>';-'.. '<.;gq'-,'EO,6,5',2',3 gLE<OI4O:.,-.;-',:-'.-;-,'I I kI I J I~~;0-.=,-,~0..'0~ZC)EO/lac.;:;L(CK Of" SC/L'E Cap)NG i'g',<<.',.":."-'iIPEF.HEO 6+512P3'FlLEAO)$ 0'LORIOA PURER A<<0 LIG!Ir CO 6BASCO SERV ICES INC(tRPIIRAII.II 5 Oft I-Ilf:0 NO/I NDt.X tlU.ILE/I NOEX I A)4 HEU Hn AREA (0)10 (C)4 CAI (U)4 0 SCRIPIIUtl lr)4U 605~20SA"0 155 4F-0340 0156$F-0341 6.5.2.sA-' =0157-6 5 2>A ff-0342 6~V~20SA 0150 HF-0343=-)159.HF-0344 6~5~2~Sh 60m~ZPSA~If~)160 HF-.OS45 6 502 Oh 0 161 HF"03A6~~~~3]tl 3/iti 3)163 HF-ns40*-t.b>2~sA)162-6 502~S'A HF-034'C fifa/I4C...NEAIIING5.OF..SET. ZOINIEBS,ttQI CPNSIHENt'REF", tlF9.&<%gga3.FILE!QI49..I 2C,'EO/IAC....,H ANINGS:Df. SEf.POlNlERS t/DI.,CONSISIENI ".',REF ijE4.6 5.Z 3 P.l'C!Q14Q.,' 0-I 00 I~~g 0~~0'0'(P I 0 0 I P-0 I~.I y I=~~0~...-~>>>, I0~~.~':>'<,~<<0~I I 0 I'~~l~~~~~rt g I J~q j I 0 I S, I P,P II I

-~PAGE 0040 alt (I'LDRIDA POMEH A<<D I.IG)IT CD EBASCO SfRVICES INCtjAPORATED SORT-IIEO tto/INDEX No F ILE(-$NOEX t A)4 AREA CA I RESP.(C)jo (0)4 (E)'IE)RES)NO tOEIO 6oi~2>A 0164$f-0349 2C I Q I ts5 tl F-0350 6~V~ZGSA-QltA6-.6>2~>A EIF=0351'~6~3 GZGSOBZ 3 16I HF-035Z.~='-6oi~2~vBZ'-Q 168 ttF-0353 ST LUCIE UNIT 1.~" 10/26/83 s)ETAILEU C E)HTROL ROON DESIGN REVIEW QArA BhsE-OH 0 SCRIP.TION srATUs~'(r)40'I'.~-I ZC ttED'.'IAHINGS D'F SEI POINTERS NOT CONS/)E'EN(REF~HE(6)Z YF/LEt0140.

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I ZA..NED LL/HE..t.OVERS LtlTERCHANGEABLE,':.37Ef NEO.6 5 3H lC1 FILECPlh.P c~t{I$~{~'o v r F ILE/'-1ttDEX (A)4 ttEO ND LO))0 6b 31CZ 3Z00 tlf"0385 6 o 3vACZ.4201 HF 03S6 t Id.i 3, t C2-0202 HF=038/..~~~~0 4203 Hf-0388 I~~~...4204--ttf-"0389 0205.-H F=03 90 6~i 3~AC2 6>3ohCZ...6 sp3~1C2~>>~.~.2A NEO=LA)LP.COVERS INTERCt)AHGEABLF= .~~..REf.(EO.Sa5~'AH.ICI f ILEf'1)IPT I I----------'"-1->>1{'-IHQIQIIENQ-IIHPQ-..HQ:dQIEQN IHIENQEQ HIIIE.IXIX'IIIIQ:QQIIIEHIMII. 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'-~'fEE=.HKP ka)a4igh3-KlkKTQ209E '.BC., HEH,.HIBHLY BIHILBB BEBIBILFCB BIEEEIIEIIY CBHP HEE.='"HEJI,B*H BDDBEB EBL$EBIBY~<<~OXa N~S.-'~>>~<<'rt'q I w,B 4>>*-r<<=~~~.2C:;NEII.""",."'~OHtSIIIILhA'j)E$ 1fiILFQILQIFLEBEIIf~.CDIIP 'REE!~:NR ks%g)aitccB2g!LEfQ1Ã.'=:.,~D-Al*>>t>><<B~'='6 ye*w>>Q y r>>Q<<y~>>y t~'y~e>>t>>'t<<t<<t g~e'D~~g r">B-',-y ZC'NFO/I4C,.,:~..REAOABI J I JY-('..--.-;,I'..'.:,'.:;.',:.*.':..-,'-:",4;~;," I IIPLEIIEIt TEO, PREVENTPy'TVE. Nhlq f ENANCE...1IIB<<OF. RECIIBQEIIS I e 2C'EO'..',','f')OABTll JV,.'.,'":,'I;.'...'.;,.'.'"'fl:<:EB:w,;:"ITE[>> HED 6 5$PFIL'ECOZI4 'I E (0216 IIF.0401'0211 dF-0402 ee.>-4.aU e.i.4>>I a e e~'2C j e*r 2C..NEI)......,.L>>RA PFRl ICAL(.NISI((.TCp.~,,'~E. ~, I.HS TALL.',RROPEp CIIA)T.PhPER ..e~<<~m<<j~A La~~-E>>-~ttEO......= PAPER/'SCA'I,E.tlISt(h TCIL.'~..e..'.REr..IIEQ ki5ekllg.f ILES QZI6~y~q rw q r>>e~~>>~~cree=,"~=L-~~..~t e>'~t C~I>>E'B A'E~"~f~-<<D>>I I B".~>>>>H~e X e'e,.4>>>>e-*'-"e-ee t'>>'I I~~~ 0 f ILE/I ttOEX l A)4 tt EP)tto C8))0.AREA C Af tc)4 (O)rl f Lotlloh PURER A.PU Lf tittf CU BASCD SERVICES IttcoltPORAT Et)5 DR T=IIEO lt tt/I tror.A HO jl I.UCIE Uttl f 1 DEfAILEI)CONTROL R)ott OE5IGH RFVIEk RESP.'-C0 SCR IP T IO trt~IB 6'5i4 ALII.6+5 4;18-~~" 6~5P4+LC 65410.'.G 6~5~4~EE b~5~4PIE'l..I"l>~" id I~~~'~,~'.=~~I>>~.r S~Zp Hl0'APER/SCALE HIStIA fcH,~,~.REF HEO 645~Ay 18'fllE'log)6""r,',,l').)r+l c'I'r ZC.HFO...eaPER/SCALF.qISHAtCq ....,,-.....'.,8(F-. 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ZC'EO.....H4lttfENhHCE ., PAPER,.....,. ~,...'REF..IICQ 6 0 tc 1C..FILETP)225,..)i I III;~r I P,\oM*M.vt i~I I t l'I~I~-I F I~'~I~ D 41 P LDRIDA PDMF R A.RD EHASCD SERVICES I..ADDI"t)ED t)3/INDE.A I L IGNI CO I)CORP(IRAf ED t)0 SI LDCIE DHII 1 I DE f AI LLD C ONfRDL RDOH DESIGN REVIE)t 4~PAGE 004?10/26/83 0 Ald OAS E Ot)F ILE/INDEX..HED ND (A)4 (r))10 I<<)22l (F"041Z'~6os~4ULF jll ()228 HF"-0413)229 ,.Hf=44)4 6.5.4..(F 6~0(I~IF C'RI(q)1230~.tlf 0415 6+5 half-0231, ts 5~4Ulf'HF 0416 I\('4232 HF"-0411 6~O41F (It'233 C.HF-4418 6~0~4~)F.)234.HF-0419 I 6.~.4<<I G 4~I 0235 6~5 4 11,..Hf 0420 I I Sfhf(1$(Fs)40 v~I.~~-q V v y-.<<v y~~.3-3~I~~~I vie>>4 vv%34-4~p I'4 v=<<7 4 v-'pa 5.NEO:-,'.'.frAPER/PEN gEPLAgE)(f)II !",-.',';,;".=.-'.,'.;.'= REf: HEO,6 r)<r4')E~P)LES022$r~I~.~rg wa w rv<<*3....NEQ......l(HE.,BECaRQI>G. ..',."'.fOLL6)tlNr EXlSANQ PgaCE0()RE FQRi TIH),*'<...>>.,:,-...:;. Is..'Na>>E,,-'g'-,,.';.'.," HARt(ING OF PECORQE)$)(ILL PORRECl'U."~I~,-<<,I>-. SISL.'<r-~.,"UI-'<'a,rrvh ~...RECQRQERS ARE'DATE.SIAHPEO'd CHECt(ED.',".- r'y...:OK.Nroorbllr..sNIEI.::,:: I...EPP.-JUSrlf...PIPER SPIES'SOJUSEIRILIII ...,..., LOU EIIROR.SSSESSIIENI NO IIOIIOII:REOUIREO ~~g w~g U~'tv"~~~-'n'~~~v I~4 T I~~R 3~~~',=I-," v U"~, I~I d2 ARE'A CA I RESP..'Q SCRIP IlON (C)>>(D)4 (E)10.('.)40~3 r 4 3 ZA tiED"~P(PER/PEN REPLACEHE'(f 'EF HED 6 5 4q 1E, FlLE40225'-I~~.a.x-I'.,-Uva.=,--'-~~(y--v U.p I~3.NED...., P(Pf R(PEN REPLdcct(EP($ ......-..:...I...Ut(EF".."... A.fgygq)~LP, ILCt.I p I A<<~<

~SRIEE,EELK!QIANA I~~3.NEQ.'...p)p+8//EM.REpL)cEt)EO)$ ...~'..." QK.~HE/6URRIRt))g F fLEgq225~=r'4'"'~Wt v v.t'I~'I y.Rg>>~vr v~3 hr~ap'ggr'v sa~az~vvl Iv.w,<>.~ '4 I"""':"'~P3'""PEE'>>"'.I(Ef) 44R.4R.IE'I',f'$LK<QZRA':,;:; ~~I 4~*3'EQ4'I'" s IP4 Pf R/PEN'E pl AC))E)f'~a,.-"-.r",'i'~'r~g'."Iiq>v)aa'tr~'R Ef v'i HEQ'U5U4 j$E f'I)EOQZ$5:r",;'c="'">>~>ra+'4'-Y p~vs r-p I A'-I~-4 4~I, v'I*E~.'...~-v~>'~-"..~~4 4'4)Itt1) PAGE i0048 LUCIE UNl l 1 OETAILEO 0 EJNfRIJL RJOt(OESlGH-REVlEM F LURlOA POMER A.IO LIGHT CO BASCO SERVICES INCORPORAfEO .~SORT-HEO NO/I NOEX nu F ILE/-l NOEK.HE(t NO (AJ4.(IJJ10 RESP--(EJ10 0236'EIF gttzl..-423/-6 5 4~(K tIF-0422 0238 6 5 4 aK-.=.t(F-0423.0239 6rs~4~(tL, EIF-0424'-0240-.-NF-,0425'4 J241 br'4~Ih HF=0426'J Z42 EIF-.0421 J243.6~SQ4~ZA1 HF-0420~I O244 6.i.4.ZAI EI F.-O 4 29 rw~"-~*I~=~+4~q yet w 4-I r~I'44~.I I'~2 y'--~I~~I I 4<<I r y*4-" I I 4,~-=.I(Dr~*sw~q<<'J rp year.q.r.Iy<pr 4-=-2~I I'10/26/83 OATA BASE"Otl I~~AREA CAT OSCRIPTION .,-.=.....STATUS..... '...'.-0'C)4 (D)4.I:)44.'...~:.:.-(Q))D I 6.9 4.(f 3 EPP"JUST/F P(PER SPEEO AOJUSTAOlLI f T'LOM t RROR ASSESSMENT.-,IIO AC fIO)'IIEOU jR$0 E.,!'"=-',,:-,4~~~,~~.~~I~~4~.4 r~~*2"')~~.4 (I'NEO......;..YlS10IL/TY....-.~. '...,......, EIIGRA)FQ RECORGfII..I(lII40MS ~~*I~4~~~'~4L~~rr r 4 2~~4 2 43 I~~~,.'EU..VISIOILITY ..=:....'=.".REF".IIEO 6 5, ft..lh FJLEV 023?4 er~I))r y g~r 4 ry 4~4 I r.Qr~I..((ED.Diktat(t tt.'.'.EEF=,.HED. D.Q,Q 12-EELEIQE(tt 6~a 4~(h..-,.-.-.3...'-'..-NEO""~IRILllX'"'-.,~""'~='-.'"~-"'"""'"".O'EIF"'.IIEQ..6 5 fi'lK'IL'E$023L"~I~I)NEQ II".=4>.-"".)pf SIBIL'I/Y w"~-'."".'.<'.""';.2'J .'--.-.>IQ4>4~'.'<Rfpq IrEO-6rg>4> p j'ILE4023$ 214.r'I',,."-~!."-I r*4 I 6r5r4~1K.2~-', 3;NEO',,:,";V)S/OII.) jY lq~~'()~)T(I'2;,'~~" 2-j~((j;~rf)h'<..-f!!.,')EFg.)EO 6-',ark'>'II(FILEOOZ3Tl.-";-~('(.'. 4'r~-'I~~~I W.-.~~=v-~Zd...,.NEQ... '.II COLIIII.LdQELlIIf'I' ~t....,"='...-IIECOIIOEB LdBELIIIII C'98lfftIT.IOtl CORRECT.502.~".';.D".'...'.:. g...',"I)I~!'.1.'."I'.::).,",pEII'COLORS'$ND'LfGE)0 COLO($EAGIIEE~',').,'",'.EPP.-JUSTIF. P.t(COLOR LABELINQ 2...,....='...HEO OELETEO...'))'I'I)-

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NO ,ST LUCIE UNIf I OE TAI LEO C ON f ROL ROOtl UESI GN REVIEH IO/26/83 0 ATA'OAS E-0 t r'4)PII C F ILE/-.I t)OEX.HEO NO (AJ4 (U)10':4 I f)u="'rut')SCRIP TION (.)40 P=N COl.OR LA SE IulG'Alt Eh (C)4 llESP.(E)It)Chf (O)4 STATUS (G)40~'*)Z45 HF, 0430...12<<ie IIF-,0431 424T IIF 0432"7~I~~QZIG8 rl f-0433--.-0249 ttF 0434 9250 t F-043))ZSI gF-443b'252 8 F" 0431 t 4 253 ttF=0430 (i ry~4~/At 3, NEO'.'tECOROER 1.ASFI.IHG CONVENTION ~1)STALl-.: -.'-;i.I LEGENO (COt.08 COOE)'.'.',-'l.-,~>>-',~*~-v 2~-I l(EO p.It qgLgg phqEI (g(ts, REF, IlEO 6 5..<<I12Al ffLET02<<tg.,......:, 4<<4,~'J pl,.y I rr du<<e g 4+o.r r w, r 4~'4~\~4~<Al 2h., NEO u,,..IP U,COLOR-Lh UELlNG,'--,.I,. =.'..'.REF, IIE06ege% j 2h 1 F1LECO2 I i).I I~I.'4<<>>I y r<<>><<r Ew<<'vc r)~)yves 0 I pt<<euu>>ro'go d v I 4 I>>I r'r II~~4,'4 4 242.'," eld.E)PE.JGGIIE.ISEIC<<GEGIL IGESrrEIedilGS. '.: '" GGSIECI.SECESW PESGGCGCGer Caallle Iet ALI 0 e I iedeedllt~~-.y~'.4~r.m~v e y e<<~~~w'~I>>i>>c4<<<<~u<<we 4~~4 i p I<<'=6 Sr4>>ZAZ'....~2h=.;HER.'-'<<~>>'K'OLQILIQEIIISFSChXIO)L'"<"~t'~>>'~~JkEK~ IIEP Sa5~2(2~2h) EllElf1245) ....'~I~=<<,~~r<>c 4~~*u I~~~I~~3.)PP-.JUSj) f" I'tlj'COLOR;IOEHTTFJC)t )$04~..;.~;",~t;-;,";j,).,,'COLOR PEN'IPEQTlf TCAT IO(l$.CLEARLT=..i: I'-: ""-:-.'."'i':" d~r;=::tube!.Eases..:iieet.raaraee GCrlae I'irrraere '.'!~4 4~.<<~-"<<~~t~.'r<<~~=i~':~~-=~-~I p~<<u)4 r u~~~'I ee>I ZA ERG'EVp~'-C4)tffIEL/SCALE':gl/)RLQhht.')'.,:I ".~r~',~,,'I j'~<<lP~lHPROVE~RECOBOER H)iINTEHANCE'R REDUCE.GROUP 2'" t'" tlc..',".')'j'.l""'j'u,'.',~;(',*,"~'~',~p';",":"'tRECORPER POT HTS.Pf 8'PECOROER $0$HTS f'Eg='"',"~.'"'="""=-='".='- ~"g';:.";..;-RECOROER OR-II(CREASE.RECIIROER SPEEQ...., I 4 2.6.5,4GZO3....ZC..':EPP-JIISllE.8=COROER..REaOhbyL$ Ty,....,; '..,.:)EF.-.)EO 6,$,4.2(g'FJLEi02)l. uh fur<<~-'~-.>>'4 I.idatEC.Ceeii SEt.eC'aeecaerrdadaljddrt "'..'=:.:'EE=.GEG SSdZGS riiceeeai,...,..4>>~I II~)r<<==~~-'--.-~-c--~~-'u~~l rd e)6>>5~4~2A2 4 e I'.O I"4 I I,)~=u e w-~=.2~4 I~,I I 4~-~r v~4-~~*I I d I 4~--r~*I I\ 0 AGE 0050 10/26/83'ATA BASE"DN Sl LUCIE UNIr DETAILED c DNTRDL RDDII DEsl GN R'Ev IEM FLORIDA PDMEI(A Ql)LIGNT CD EBASCO SERVlCES INCDRPORAlED Sober-NED N3/INDE.B(NO F ILE/-INDEX (A)4~)254.NF-4439.I-.0255 PIF"0440 NEE)ND (8)'10 I bam~(PCB3'I b~5~4ic84 AREA (C)t, I~~P t~,'<<tp+E I<<t D.SCRIPTION.-'...,-,.-...,..STATUS.........;,.'.h 4....'.E'P4.t (..)40.'I ENGR REv R:coRDER R<<EJDABTL f rf','Rgf IIE0$'Q(lg2B)"FILE40251-h t\EPP=JIISTfF. C(hMNEL SELECTION....,...:... 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LDM PRIgRt P L'f'P.-JUSTIEL,S.:PARAZIOH,BEIMEEM MIIIIERALS ...,".."....LOH ERROR.ASSENNEIIT,.II) ACf IOII.IIITEIIPKD..'.h. 4, 4<<Edt 4 4e--~r*~:)III);P 4 E t B-i'~.~>>p"N" S t 4~t t t -~PAGE 0051 LUCIE UHIf I uEf AILEt)C uNfRUL HOAtl uESfGtl REVIEH FLORIDA t'OHER AII&LIGIl(.I 0 OASCO SERVICES INCOHPORA)EO SOH f.Hl.o NO/)Hue.X tlo I 10/26/83 I DATA, Bh'SP'Oll' I g~)-I E(a'ILE/INUEA (A)4 4262 iF,-04<<f.0263 iF-0448)$64 ,qF.-0449)2b5 tlF 0450 HEu Ntt (OJ(u 6~5 5t c A5 bt)~5.29 b th t5AA'0 6 5~5t2C t"V I tft Cif RESP...'0:SCRIPIION,.,.5 fifUS (u)~(E)lu (:)<<0,."...,., f.(G)40 I EPP-%Sf IF 5=PARA)ION OEIHEEH HUHER(LS.~l LOM, ERROR.ASSESSH)HT HO ACIZOH')IlfEHOEO:,:,'J':.,~'I','Hog USED REHO!(ED,~'.'7-'>~C I I 1-=AI~f EPP JUSIIF.....,,....,....,.....,...,.Log, ERgOlf A)SESSNEt(f PRlNE ItlOIC))/ION E5',,'(HA'LoG-.HO 'Acriog,(IEQUJREl) I~f II*l 2c,." 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DATA BASE-OHOre* I 0.SCRIP flOH-----~.----=-STATUS)40.~(G)40 5 H)0, GROUP LABEL PLhCEHt:I(7 '," REF-.HEO 6~6$1 FILE)040.1 ~r~,'1*~>><<5~.I'>>~-=W~<<>>.~-~~r~I)(En...P ACEHE((T/POSftfaqING,.OF ((ROUP.Lb@5.. BEF-, RCO 6~6,),.)..fILEtQ491,. -,.0129..-clF-05T9.4130 r(F-O500-4 L31 NF'=05al 4132'--HF 0502 u)33 HF 0563 0136 r(F-0504-.j)135....HE=0505 6.o 3.(O jo<<o~3~IJ A 6<<i~3eah 6ob~3FE(A.6~6~3~j)A boo~3, E)A 6~o<<3 dA O~-L.--I~--r r-<<5<I~ZC...NEUQ..,.$3l)UB I.ABEI 3!LACEHERI .~".REF>>=liEIL6a6Qloi UL>>EfOOQL' HEO~SLABEgEO. SKglC)l POSISIOH.. ,ggF=NEQ.(T~{iQ)QiXf(,K)QC01'.-. ~**~>>5~~~L>>m-w4 w~-="~---~I r I: II*r\~j 3,'g)O"QQ ON" I](<<EOH 6'f'SJEggp'Cp gTQDL, POS$f f f)p"<'!j (,"hhr+f~>>~(.".,REF+ I FEO,,6>(Q< 41'f I(ff ar)4$1'L',""'>>~.~.~~'C r>>'~~O ZC" ,H)0: '-;.---,:!'kfhBP g(CO/CAROL,f'gS1tTOH;.",,~;-i,4.:,"-;I J(P)"PfP '6'$l 1,Jf(E>000$ I U\O I r~.CC.IlpL JNLIRELEQ.QQUIRQj,EOhljjgjlh ~"~IF=II$Q.Ji hrj Oj&jL'jEQOOQl I I O IC..UEO'IRECIIOIIOF-.OOIIOILIREOL .: "'HILL.LhOIL..QIROIIGH.GF RGIITIGH'FQR'IIICIIEIRE.I5HIIRI.'IERII1;,jUFE5FIOIIE fOR.':;O',':Cli FUIURf REFLOCLIIEHI,.:.:..:. "",'l:.".~~\I I~---<<.U W=-"<<e>>.q~~--q=I~~~I~OI r<<+-~~~L'I rg.w"-w,>>>>r'I',~>>p I~',~'r r I\)l)I.) i/n ji)(l , C I ((>>I (~F LURIUA VONEH AIIU E, UASCO SERO I CES I'..SORT-HEO NG/INULX F ILE/I NDEX.1.HEIU N&I, I h)4 ta)10 0156 e.e-3,00 Hf" 05&6,~~LIGHT CU NCOR PG RA f f I)NU*AREA-CAT.IC)4~I O)4 I Sl'uCIE UNIf 1 I UEIAILEO CdNTROL ROON UESIGN REVIEH-1 RES E....;..5.S CR lP I IO H.-...-.....,. IE)10'...I:)40>>>>NEO.'I REC'fIO)l OF,HirfIOH IQENI'I~~PACE 006f 10/26/83 OATA BASE-.OH~~I>>~'"~STATUS...,'.'.',,.,'.;,."'..."..',.:... i~f'"~i REF--PEQ 6~6n3qPA FlLE/OI)S',',,~."I;',",.',.'~'i. ~I~-=,=.-~~+T-~01ST.e EI 3&C HF-05&f I , tl 138 El f-,0588, 6~0~4~1 0)39 11F 05&9 I>>>>6T6~4~I AI 0140 (F-.0590 I I 6T 6 T4~LAI 0 141..LHF-.0591 6qe~4ILA2~)IE12 HF-0592 6'Te~4~1 A2~'.)143 dF"0593 6~6+4~IAZ/\*')144...HF-O594 6~e~4~E'AZ'I>>~I>>'I NEO...,...,,...,,,...... =..RELY"=HEo.)E)gk..)Q..rTIEPQQ7$ ..., T~4~>>~T L'~~LIB 4 g~4-E>>>>~II 4 T ELfl I vL EeL".JllSTTF AWARE.',',." REF.1lgP.%f6 R hk f1440971.:.'.I 'IEE.,..ELMEEJEEJIJIEL'EEEJEELE EJLEEIE&JJIELEEE. JJEEI E>>Ti.,LLEELLEIIEIL '.'.Effn"':-"nnlaELEEEs'JJEEfrio .: ".: '-': ".-.~I"I':~ ':-jJr"=Enf'-Er'.-'I4 ELEiIi@'J'!;".V OffP=TT,~~+T>>>>I>>>>'OY Q I T, tl/V'lI'-'g T I ZC'.)tEU.'-'j-<".,$4 RAHET/R" LABEL.0/ff TCULT",TQ>>RE)g(flARgv." Pgf~'HEO'j(yfgl FTI E)0801;,-'""'4 T E~>>;3'.)HEO",.":;;",.;,;.* IyC P/S[,STE'NTT, t,($If Q,Hf 1 CP f.@)i.'..;.",.-"-,- ~~K<,-"...-RP' Hg'a;6,6,1, gf f)LESOQO I'-,",,'I.,I$>>I'I~T~4S m~l~,M-~I 3...,..)IEQ.TfulSSI)TEqf&f JlEBAECGllt,.'.:../fan=REQ.46*.1+,f TLEf QOQl:,.=.NEO....., CHARACTER.HEIGtlT...;,....,.,',:.'.;...REf.'.IlEQI 6 6 In 1,.f ILt<fl001>>t w-TITS'>>4TE~4" T,, r~TI I~>>T 1~fftt t4>>TTJQT+'-'!I'--'-'ATI I'~I>>'~>>v=T!-'--~-~~~==-,~~I-~*~I I>>-A~I I-HT>>=Q'~.t-~>>>>I I>>>>)l1)1)l I")'I ~4 n FLOAlOA VaMER A..U LTGIIT CO E.OASCU SI.AsI)CES lNCVNPVAATLs) 5 OR T IICU NO/1 NO@X NO ST LUC)E VNl j 1 OE 1 A l LLO C l)NT AUL ROON DESI GN RE V)EM'AGE, 0068 10/26/83~DATA OASE 0(*j()(jIF 4 F lLE/l NOEX TA)4 0145 HF-0595 ,0146 6~ER~4t 1 A2 RF-0596 0 14T 6~Eh~4 J A2 k F=,059 f-I)148 iIF-0590 3149)IF=0599 l 150 HF,=0600 I 4 0 151 FIF-0601 0152)IF-0602, 0153.-...,$F-.0603 HEU NO AREA CAI'AESPL.O=SCRlP TlON.6,=..~...'....,',.STATUS (D))0 (C)4.(O)4 CE)10....(I)40--,-='---~-.----2~C G)40 I t I ht 2 6.6.4~1A2-, 3.NEO.',"CHARACTER Hf,lPHT""'~>F's','REFR'EP 6!6il'i$f)Lfl000'1- ",;,;,,'2',.2~,-y'f'-'<<,";i;F<~ ~~~~.-4>r t~1'>~~I~r*'I~'--==.~-~f t, r 24 t h~NEg-.---,- -C4$RACTEB-IIE)GHf,~,,...', Off~;HED)lR)jul,,EJLE30001. ii 3-.NEO..=.TPCI)NSTSTENT..CHAAACTEII-SlZE-; --"'" Rgf.KEk.6'6 1 1.(TLf4000l. 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L;~'-";",": ""'RIESS IRRS RIRERRIISREE...'.','.'"'"..: 21>'~I r 6~fh~4e1 8 ZA HEO rf 11-r.LL gf f CONT+ST4 2 h'=shr 2'*4',,IS~E'Afpp KEq 6 F61 2)4$f T)$$0075'~>'*li I I*1~..." r:~I I 4 42',~...-2ii.-, SER SIRENS~RRRIRIRI.'.~ =-,.~"-'ff=ffp 2 6 RLSILSILEIROf) I 4 6 I 6~6~4.18..ZA.NEQ..Sl ZE...t...:,'.'8ff.HEQ R R 2 4Q, fll Ef)QT5...;...,.~ttt~I 2 I'ft'\%rthr~t 4 r't rtdt'J S I 2 2 4 I 4-~"~t=2 4'1&I l~y~~~~>>h tt h'~'~~~J I 4 I rr I~2~,)I I.l'))II.11 3 E3.I I:l)II 0 PAGE 006$Sf LUCIE UNI I 1 DETAI LEO CONfllOL Ri)ON DESIGtl REVIEII/Lr)RIOA PUXER Awa Lf Gllf CU EBASCD SERVICES frrCDRPQRATEn Sallt-NEO ND/tkacx ND F ILE/.I NDEX'NEE)NQ (A)4 (B)10 10/26/43 DATA BA5E-.Q>>0 154 Pl f-0604 0 155>>F-0605 0156..)F-0606 6.o~4)r)1 6.o.4,(BI 6co~4~101 cr h t'AREA.CAI.STATUS (g)4 la)4 I G)ha r(ED 14BEL, CONTRAST-','REF-)(EO 6cfr2+4()F'ILE400.T.5 t~ce 1~~'~v 2C NED:.....LlBEL CgNTBAPT,. ~=.'..'-', PRE HFP(f(..rA-C.-.AO f/')O.SP..-=.,':. -Y 3, Nfa'MlBELtCO))IRA Sf'..'.=.s.REF=llKR frukiZa3P fILARRF%,. 1 1 h RESP...D SCRIP TIO'N (E)lr)-.t.)40.1 2C 0 151.ElF-Olla(0 154 E(F-.0604 0160 6co~4~20 rlF"-0610 0161 r(F-0611 0 162>>f"0612 0 163 q f-Qols 6 o 4 E!',',, 2C,NED.'LBEL.SPAClHQ LDJI(Q)(E,.Mlle)f -'~.'.RK)HgQ..fr 6a41 fllE4900$',.'.r fl.~~-.~c'=-tr~.<<'w~-=1 A'=I." r 1 t e e.S.AA.I.....,..S'E.I.L~.'..SELS JISE:LHHEHHA SEgs'LIE~i":I("u: 'SEi-"HCf Et.'S.l A::EILEEltllflt:: 't r JLwc r&~1 h~~~1~0'<<"r~~i ABEI S<<'IFFlCI/Ll" TO'READ""~>"".')Itl"~,"'.,"Asg fp7',')I(p'6~r)f) g20'.FfL($ 01 46'St'r.=S~ACEA'AETREEM CB)LR)raIEBSaMQRQ~LINESI"';.""~',.~.'t.c<<'wr"".~'..'~'.A'L'IA~""...:~~.~... r~I\~p c c~H h<<~t h~>H p y r~--*=t~"T~~'~~t'I ff,7 eh~Cg~., r Ct crt+'P C'~C 1 th cu'~616~4~201$JEST-',,'..'-.-" L(BELS gfFFICUL f TO j)E/DQE t"X',-"'I';",A",,'-. 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HSE.HE-.IEHRHHAHS LAHELS..".',.IHSIALL<<PERIIAIIEH1: LASELS..IIEHELIIP Gulgfl",~~.---<<<<-.'.--,-.J.-...: ',~.."', LINES FOII%)SE Or.gfNPOHblf T.LhBELS't S h t~~'<<.t,=h I t~r I'~~*r<<, I 1~<<C" W<<0'h-1>>=~Cr A-, P==~~.*,r~~'~RL h',: ','ectr~.~.,i c,h , r 0 .~PAGE 0010 5 I'UC IE UN I I 1 UE IAI LEO C iltlTRUL R3tltt OESIGN REV IEM 10/Z6/83 OATA BASE-Ott F LORIOA PANE.tl AEGU LIGHt Cu:UASCO SERVICES IttCORPORA)EO 5 OR I-llE 0 tlD/I NDt.tt tlO F ILE/<<l)NOES'(Alt)41bra tIF-Ota lra 4 165 rlR 0615 tt 166 rlF-0616 0167 (=NF=0617--0lp&,.---LF=Obl&*II AREA'AT RESP.-....O=SCRItt TION.-.....=---,-S TitUS (G)h.IG)4.)E))ll... l)4ll-...'....- ......'IG)44.I ZC'EO~-j: ttPOI ARY LA)EL),E~'.-=",,;,.', REF."I?EO'a'6')'I),F)LESOldt3-r '-.'" 4, E:.:;-.Ei- ".~=~=,r<<L~~~m-~<<I<<-+La 2A..ttE)-.', USF.IlF TEMPO RART.I AGE)S...,-.--~'.-., REF HEO 6E&sgE1$..F/L)dOI64 .a~I'I'4 ,.ZA..NEO-..USE OF)TENPOBhgY. 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C3HPOtIEtlf Of)SCURA TIOtl LOH ERROR ASSESSHEtlf ~NO ACTION 8EOUTREO Uut)5 6.9.1~aO 4F-t)/25 3 EPP JUSTIF,C3HPOhEHf It)SCURA TION..LOH ERROR ASS ESSHENf NO ACI'10tl REOUIRFO ouu6 6.9.1.4ft 4F-u/24 3 EPP-JUSTIF C3HPONENT Ott SCUBA TION LOH ERROR ASSESSHENT ~NO ACTION REQUIREO)Ill)~Ouul o 9 1)U 1t I)f 29 I EPP JUS I'IF C3HPOKENf N)SCURA fIOII'OH ERROR ASS ESS HEtl f~NO ACTION 0 EOUI REO 0008 6 9~1.ad 4r-.tr ze 3 EPP JUS f1 F.C3 t)POhE Nf 00 SCURA Tllltl I LOH ERROR ASSESSHEN'f NO ACTION REQUIREU)I"t'I)Ut)09.tt.u 1.)U lt-u!2(I EPP JUS f1 F C3HPO)4ENI Dt3 SCURA TIOtl LOH ERROR ASSESSHENT v NO ACTION REQUIREQ.1 r LultlOA Ptrtra.ti iliiu L lbllf I.'0 0 A 5 C i)5 t.it V I C ES I'l C lith I 0 RA f t.0 SORT-ilLU UD/Itti)L.X HO 5 T L Jl'l C JNI f l OC I'Al LCO C Vtl f ROL R30tt i)ES I lirl RCV ICM GC 0003 IU/26/0 3 OA'f A BASE-UH F ILC/I ti)CA itE J tlO I A)4 lu)lU AHEA CAI RESP lC)4 l U)4 lC)IU 0: 5 C fl I t'10 tt lr)40 STATUS (G)40 ll il I 0 UF"0/20 ii~')~I~)0$EPP JUSf IF COrlPVACNT 00 SCU IA flUN LOM ERROR ASSESStlEtlf NO AC TI OH REQUIRED 4i)li rtF-0?29 b~)~1~LB$Lpp-JusTIF C:IxpulCHT u05cURA t{DH LO'X CRRDII ASSESSHEtlf tlO ACTION REQUIRED)012 HF-0130 6e9 1'C i'.C ENGR RCV~541TCH POSITION LACKS CORRESPDtlOCNCE GROUP P.Ml ftl DISPLAY H ILL CORR EC f LABELS f 0 PrIOPERLY I BENI'IF Y SMII'CH>>Ul)13 1.)~le aC tF 0/31 2C NEO C)NTROL/DISPLAY INfCGRhtIQH f tIE5E ll'CHS MILL BE EffllANCEO H2 ANALYZER 0U14 3)-0/32 be9~IeaC Pi))5~.6~9.1 CAI rlF-UI 3$C C NEll~....C3 N I ROL/OT SP LAY.I NIEGR ATION 2C EPP-JUSTIF F Jt)C rl'UNA THESC[TENS COULD BE ENHANCED MI fH THE USE OF LABELS'PS/fECH RESPUtlSE. RE-QUIRED I FPL INI'ENDS NO ACflOH~FPL FEELS HSIV~5'RC PROPERLY LOCA IEO PCflOR~PAGE I I c COI-6Ar JUNE 12t 1981 0 016 l F-Uf 3>>6~9~2~aU ll 1 EPP-JUS I'IF'.QUCNCE OF USE i LOX ERilOR ASSESSHENT ~NO, ACI'ION REQUIRED Ui)ll lf-0/3i b~9~2 lu G.CLSO CPP JU5flF OI OCR Of UAfh USC LOM ERROR ASSESStlolf e NO ACTION'HTENPEO 0010 be')~2~r!tF-s)/$b NEU CO N f if OL/01 SP Lh Y A RllA NG EtllN I NO HARD COPY ON FILE >>f,~!F LUHIOA POItt.R A.>I)Llt III Cil.0>jS CO 5 EII V s C ES I iVC II>I I U tlA I E 0 6 I>It I-IILI)tt J/I ttJ>.X ttu F ILE/1 tl0EX I A)t>AII EA IC)A HI)ttu IU)10 CAT RESP I 0)t t E)ltt b I LUC IE 0 ill f 1 UE IAI LE0 C 0>tf HOL RJI)il OESI Ci>I RLV IEtl 0-SCil IP Tli)H)t>II.~STATUS I G)40 PAGE t)086 10/Z6/B3 OAf A BASE"Utl avis>IF-Q/3r 6 9~2+i.'A 3 EPP JUSf IF 01 SPLAY Bf.LOII COtl fHOL CONTHOLLER OISPLAY IS CORRECT I oE-SPEED INO~Otl fOP OF OISPLAY H/CONTROLLER OUTPUT ON BOTl'OH OISPLAY.NO ACTION IIITENOEO)UZV>IF-vr)8 6~9o Zol Al ZA Etltifl REV 01 SPLAY tt3T AB3VE CONTROL CROUP I OPS/fECH RESPONSE REOUIREO TO CVALUATE HOVEHEN f)VZ1 Ut--Ur 39 6 9 Z cAI CL SO FPP-JUS'flF Ol SBL AY ABOVE ASSOC I AT EO CIINf R UL SUB JECf 0ISPLAYS ARE USE0 I NOEPENIIENfLY OF PUHP CONT'ROLS PUHPS CAN BE"ON/OFF" H/NO FLOM COtlTROLLFR ACTIOtl~Na ACTION I Nf ENOEO\)'~I I)i)ZZ 6 9.3.'IIF-0/AU I ZA Et)GR REV~Ol SPLAY PREC I SION GROUP-8.EtlGR.INVESTIGATE INSTALLING OIGITAL UISPLAY FOR PSLll~~)1 I I) APPENDIX A 0 TABLE OP CONTENTS/PAGE OPERATOR INTERVIEW NOISE LIGHTING CR ENVIRONMEiNT CONTROLS DISPLAYS CONVENTIONS PROCESS COL>IPUTER EMERGENCY GARiMENTS LABELING ANNUiNCIATORS ANTHROPO METRIC PORCE/TORQUE COMMUNICATIONS iVlAINTAINABILITY TASK ANALYSIS WALK-THROUGH 10 36 51 66 79 83 84 91 93 99 HUMAN EMGjNEERlMG CHECKUST OPERATOR INTERVIEW EVALUATION GUIDELINE, REF.EVALUATION GUIDELINE Senior operators who supervise or assist operations of more than one unit need to be stationed so that they can communicate effectiveiy with operator s in each unit and have an unobstructed visual path to each units'ontrol boards.6.1.3.1 b.9.Emergency equipment will be stored in an orderly fashion.10.Storage location(s) will be accessible, clearly marked, and known to all personnel. 6.1 4.3 80 6.1.4.3 b.24 e,.Operational crews will be committed to one or the other unit and will not be allowed to alternate between the two mirrored units.The distinction between the mirrored units will be heightened as much as possible.6.1.3.2 aO 6.1.3.2 b.All equipment such as fire, radiation and rescue equipment, will be checked periodically for its condition. 6.1.4.2 aO 5.All equipment will be easily and readily accessible. 6.1 4.2 b.7.Cjperators will be trained in the use of all emergency equipment. An administrativeiy approved procedure for each type of emergency will be written.6.1.4.2 Co 6.1 4.2 d.8.There will be an automatic fire warning system for control room fires.6.1.4.2 e.ON-SITE EVALUATION 9 OPERATOR ASSISTED EVALUATiON NOISE+Criteria are different. EVALUATION GUIDELIIIIE REF.EVALUATION GUIDELINE Rfl'.Speech Intelligibility Verbal communications between points are intelligible under slightly raised voice levels for ambient noise levels.6.1.5.5 aO 7.Auditory signal intensity does not cause auditory discomfort. 8.Auditory signal intensities do not exceed 90dB(A)with the exception of 115dB(A)for evacuation alarms.6.2.2.6 b.6.2.2.6 Co Noise 2.Background noise levels do not exceed 65dB(A).3.When voice transmission sys-tems are not provided between the primary operating area and other control room loca-tions, background noise is further reduced.6.1.5.5 b.CRE-ll 6.1.5.5 Co 9.Auditory signal frequencies are between 200 and 5000 Hz with the maximum range of 500 to 3000 Hz.10.Wide-band auditory signals of approximately 200 Hz are used.ll.The signal intensity is dis-t cernible above ambient CR noise.6.2.2.5 a.AD-12 6.2.2.5 b.6D.2.1 a.+AD-23 4.Noise.distractions are mini-mized.6.1.5.5 d.Acoustical Treatment Acoustical treatment limits$E reverberation time to one second or less.Auditory Signals 6.1.5.5 e.6.To assure gaining the opera-tor's attention, a normal signal-to-noise (S/N)ratio of 10dB(A)is maintained in the control room with a S/N or 20dB in one octave'and between 200 and 5000 Hz being adequate.6.2.2.6 ao AD-15 ON-SZTE EVALUATZON 8 OPERATOR ASSZSTED EVALUATZON 0 HUMAN EIII GIIIIEERlNG CHECKLlST+Criteria are different. EVALUATION GUIDELINE REF.EVALUATION GUIDELIIIIE 5.6.70 Illuminated indicators are at least 10%greater in illumi-nation than surrounding panel.Ambient lighting avoid reflection or refraction that cause light indicators to appear to be glowing when they are not.Changes in ambient lighting do not affect discrimination of color coding.The emergency illumination system provides a minimum of 10 footcandles at all work stations in the primary opera-ting area.Failure of the normal lighting system does not degrade the emergency lighting system.An automatically activated emergency lighting system that is independent of any other lighting system is pro-vldede Surface colors are recog-nizable under both normal and emergency conditions. 6.5.3.2 b.and 6.5.3.3 a.(1)VD-90 6.5.3.1 b.VD-91 6.5.1.6 e.(3)VD-65 6.1.5.4 Co 6.1.5.4 b.6.1.5.4 aO 6.1.5.3 h.CRE-7 10.12.13.14.15., 16.17.Labels, instructions and other written information are not in a shadowed position.Ambient illumination is pro-vided via direct or diffuse lighting.To reduce operator fatigue and eyestrain, shadows are avoided.Luminance ratios for task areas conform to guidelines. Supplemental lighting provides for specialized visual tasks in areas where fixed illumination is not adequate.Illumination levels do not vary greatly within work stations.Illumination levels conform to guideline. The illuminated condition is recognizable under the highest predicted ambient light con-dition and is at least 10%brighter than the surrounding panel.6.1.5.3 e.(2)6.1.5.3 e.Q)CRE-5 6.1.5.3 e.6.1.5.3 d.CRE-8 6.1.5;3 Co CRE-10 6.1.5.3 b.6.1.5.3+CRE-10 6.4.3.3 b.(2)8.Reflectance conforms to guidelines. 9.Glare does not interfere with readability of displays, labels, or indicators. 6.1.5.3 ge CRE-6 6.1.5.3 f.CRE-3 18.19.When the CRT uses light char-acters on a dark background, character luminance is 23 ft-L minimum and 46 ft-I pre-ferred.When the CRT uses dark char-acters on a light background, screen background luminance is 23 ft-L minimum and 46 6.7.2.1 c.(4)+VD-47 QN-S1TE RVALUATTAM HUMAN EIIIGlMEERIMG CHECKLlST EVALUATION GUIDEL}IE REF.EVALUATION GUIDELINE 21.22.23.When ambient illumination in the vicinity of the CRT is in the medium to high range, the CRT uses dark characters and symbols on a light background. Ambient illumination 'on-tributes no more than 25%to screen luminance through diffuse reflection and phos-phor excitation. CRT screens are installed to minimize or eliminate reflected glare at normal operator viewing angles.Alphanumeric and graphic characters are easy to read under all control room lighting conditions. 6.7.2.1 c.(2)VD-47 6.7.2.1 c.(1)VD-47 6.7.2.1 b.VD-47 6.7.2.1 aO VD-47 24.Proper lighting of at least 8 ft.C is provided in work access areas.CRE-I COUNTERS Visibility 25.7jf Counters are self-illuminated when used in areas which pro-vide display luminance below 1 ft.-L.VD-83 HUMAN EMGINEERIMG CHECKLIST CR ENVIRONMENT EVALUATION GUlDELINE REF.EVALUATION GUIDELINE Workspace Arrangement fE Control room arrangement facilitates efficient unob-structed movement and com-munication. 2.Equipment is arranged with fP movement and communi-cations patterns in mind.Visual relief from arrays of instrumentation is provided.Controls are located so that simultaneous operation of 2 controls does not require a crossing or interchanging of hands.Workspace Location 6.Operators at desks and con-soles have full view of all eon-'trol and display panels in the primary operating areas.7.Desk and console placement$E facilitates voice communica-tions from seated operators to any point in the primary operating area.Qut-of-the-way storage is pro-vided for operators'oats and personal belongings. 5.The shift supervisor's office is$P.readily accessible to the con-trol room.6.1.1.3 d.(1)6.1.3.1 aO 6.1.5.7 a.(3)WA-4 6.1.1.6 aO 6.1.1.3 aO WA-28 6.1.1.3 b.6.1.5.6 aO 9.10.12.13.N 14.Shelves are located so that contents can be seen and reached.Under no circum-stances is the top shelf higher than 76 inches.The CRT screen data and messages are within unobstructed view of the operatoi at normal work station.If writing space is on the con-sole, it does not interfere with viewing and operation of con-.trols and displays.If writing space is not pro-vided on the console, it is located at a nearby desk or table.Controls are placed close to the display they affect and with an equal distribution of work between right and left hands (finest adjustment reserved for the right hand).Controls on a vertical sui face are located in an area no greater than 8 inches above the head and no further than 18 inches from the center line.Controls frequently operated or critical are located between shoulder level and waist height.WA-8 6.7.2.3 f.6.1.2.3 h.(2)6.1.2.3 h.(3)WA-3 WA-6 ON-SITE EVALUATION OPERATOR ASSISTED EVAL HUMAIN EIIIG)NEER)MG CHECKLlsT CR ENVIRONMENT EVALUATlON GUlDEl.lNE REF.EVAl.UATlOM GUlDEl.llblE REF.15.Finger-operated controls are located with 29 inches from operator's shoulder.Controls operated with the whole hand are located within approximately 27 inches of the operator's shoulder.Workspace Size, Shape, Design 17.Operators are able to perform I tasks at any work station.18.A means for voice communi-~~cations is provided in rest-rooms and eating areas.19.Desks provide enough space I for all materials required during task performance. Adequate space is allowed between the chair and desk/console so the operator can easily get in and out of the chair or can view equipment behind.23.XE Panels and equipment enclosures are designed so that no unwanted objects can be introduced. 20.Desks have adequate knee space.25prk8ygg Qygti~gd~gicggi~ork I comfortably at desks as per-mitted by desk dimensions. WA-3.WA-3 6.1.1.3 c.(2)6.1.5.7 b.(>)6.1.2.7 aO 6.1.2.7 Co 6.1.2.7 b.6.1.1.3 e.24.y 25.26.27.28.29.30.gp Lockers are large enough for storage of personal items.The minimum lateral work-space for racks with drawers: a)racks with drawers weighing less than 45 lbs., 18 inches clearance on one side and 4 inches clearance on the other;and b)racks having drawers weighing over 45 lbs., 18 inches clearance on each side.Segmented, wraparound con-soles are used when the panel space for a single seated operator exceeds 44 inches of flat surface.If vision over top is required, the width of central segment does not exceed 44 inches and the left and right segments do not exceed 24 inches.Controls used for performing the same function on different items or equipment are the same size.Labels are located on main chassis of the equipment. When instructions applying to a covered item are labeled on a hinged door, the lettering is properly oriented so that it can be read when door is open.6.1.5.6 b.WA-15'A-28 WA-28 CON-1 PA-44 PA-29 ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION HUMAN EMGlNEERlNG CHECKLlST CR ENVIRONMENT EVALUATlON GUIDELlME REF.EVALUATION GUIDEUNE Workspace Visibility 1.Total left-to-right viewing angle does not exceed 190o.WA-29 39.Stairs, stair-ladders, ramps, etc., are equipped with hand-rails on each side.Where one or both sides are open, guard-rails are provided.WA-36 32.jp 33.e Where functional groups are outlined with contrasting lines, a 1/16 inch border desig-nates secondary or non-critical groups.Where functional groups are outlined with contrasting lines, a 3/16 inch border designates primary, emer-gency, or extremely critical operations. CDI-13 CDI-13 40.41.8 Stair-ladder s are made of metal;handrails have non-slip surface.Emergency doors/exits are accessible and easily opened.The doors are designed to be opened by a single motion of hand or, foot.There are emergency exits from secure or classified areas.WA-39 CRE-1'7 Workspace Safety 34.y Operators are able to get to any work station without encountering any obstacles. 6.1.1.3 c.(l)42.Exposed edges are rounded to a minimum radius of.4 inch and corners to a minimum of.5 inch..VD-6 Workspace Climate 35.e..Handset cords are positioned to avoid entangling critical controls or endangering passing traffic.Vertically mounted handset cradles are located out of the way o f traf f ic.6.2.1.2 b'.(5)'.2.1.2 b.(6)43.y 44.The climate control system is capable of maintaining temperature and humidity.Air temperature at floor and head levels do not differ by more than 10oF.6.1.5.1 ao CRE-1 6.1.5.1 b.CRE-1 37.8 Handrails are provided for platforms, stairs, and floor openings or wherever per-sonnel may fall from an eleva-tion.Skid-praof flooring on stair or step-tread coverings are used.CRE-1 WA-39 45.46.ty Capacity of ventilation system is at least 15 cubic feet per minute per occupant.Air velocity in the primary operating area'oes not exceed 45 feet per minute measured at oper ator head level and does not produce a noticeable draft.6.1.5.2 aO CRE-15 6.1.5.2 b.CRE-15 HUMAN ENGINEERING CHECKLIST EVALUATION GU)GEL)NE EVALUATION GUIDEL)NE REF.Workspace Comfort Control room colors are coordinated. 48 I 49.Comfortable seating is pro-vided.50.Carpeting is provided.Color and lighting creates a cheer ful atmosphere. 6.1;5.7 a.(l)6.1.5.7 a.(2)6.1.5.7 a.(4)6.1.5.7 a.(5)'8.graf The backrest reclines between 103o and 115o.The backrest engages the lumbar and thoracic regions of the back, and supports the torso so that the operator's eyes can be brought to"eye line" with no more than 3 inches of forward body movement.If only lumbar support Is given, lateral curvature does not exceed 7.3 inches in radius.WA-17 52.4P 53.54.56.Chairs pivot so that operators can readily adjust position.A restroom and kitchen or eating area are located within or near control room.Restroom and eating facilities're easily accessible. A rest area is provided.Chairs pivot so that operators can readily adjust position.Chairs support the lower back;the angle between the back and seat is about 100o for office tasks and greater for reading and resting.Chairs with armrests are pre-ferred for personnel who remain seated for long periods of time.6.1.2.8 aO 6.1.5.7 b.(1)6.1.5.7 b.(2)6.1.5.7 co 6.1.2.8 aO 6.1.2.8 b.WA-17 6.1.2.8 c Workspace Accessory Hardware Lighting systems use light baffles or diffused indirect lighting.60.Trademarks, company names, or other markings are not displayed on the panei face.62.Acoustical treatment in accordance with the figure on back is used to reduce rever-beration time.Workspace Qlumination 63.Luminaires are placed at least 60o from the viewer's line of sight.Workspace Acoustics 61.The average room sound fE absorption coefficient is at least.20.CRE-3 CRE-6 CRE-14 CRE-12 Seats and backrests are padded with at least 1" of compressible mater ial.6.1.2.8 d.WA-17 ON-SITE EVALUATZON js OPERATOR ASSISTED EVALUATION HUMAN EMGtIIIEERjIG CHECKI.1ST 0 EVALUATION GUIDELINE EVALUATIOI GUIDEl.lNE 64.Instrument panels have a dull matte finish.65.Pastels and light grays are used for ceilings, walls, or cansoles rather than dark grays, green, blue, red, and brown.Control Room Performance Aids CRE-3 CRE-5 73.Documents are protected from fP being dog-eared, dirty, loose, tom, and difficult to read.74.Sets of procedures are stored 8 separately for each unit in a multi-unit control room.75.Procedures are accessible I while tasks are being per-formed.6.1.1.4 d.6.1.1.4 e.6.1.2.6 66.jj Procedures references accessible. and other are readily 6.1.1.4 a.(i)WA-33 76.Annunciator response proce-dures are available in the con-trol room.6.3.4.3 aO 68./Jf 69.fP Reference documents are stored out in the open where they are easy to locate and use.Specific documents are clearly labeled.Labeis distinguish documents.. 6.1.1.4 a.(2)WA-33 6.1.1.4 b.(i)6.1.1.4 b.(2)77.Annunicator response proce-dures are indexed by panel identification and annunciator tile coordinates. 78.Each plant unit has its own set of procedures. Control Room Procedures Design 6.3.4.3 b.6.1.3.1 d 70.y 0 A method of organizing documents to reduce search time is used, such as separating operational docu-mentation from other documents. 6.1.1.4 b.(3)79.Nonessential personnel have I limited access to various areas within the control room.6.1.1.7 71.0 72.iy 0 Documents are removable from racks.I Documents are bound and per-mit fixed opening at a desired place.6.1.1.4 c.(1)6.1.1.4 c.(2)ON-SITE EVALUATION 8 OPERATOR ASSISTED EVALUATION HUMAN EMGlIEERIMG CHECKLlST 10 CONTROLS+Criteria are different. EVALUATIOIII GUIDELINE REF.EVALUATIOI GUIDELIItIE PUSH-PULL Operations e Arrangement 1.Control separation conforms to Table 6.8-2 and 6.8-3.Coding/Identification 2.Each control is recognizable in I.terms of its function.If there is labeling on this slide control, control shaft is locked in position to maintain correct label orientation. All discrete functional control positions are identified. 5.When color coding is used to Q relate a control to its cor-responding display, the same color is used for both the con-trol and the display.Size, Shape, Design 6.Selected controls make best~~use of space for the intended purpose and requirements for activation. 6.8.3.1 6A.l.l c.(i)'ON-6 6.6.3.8 a.6A.2.2 f.(2)CON-2 6A.1.1 b.(4)7.Accidental activation of con-trols is minimized by one or more of the following methods (check those which apply): a.Controls are located and I oriented so that the opera-tor will not strike or move them accidentally in any sequence of control moVe-ments.b.Controls are recessed, shielded, or otherwise sur-rounded by physical barriers.c.Controls are covered or fP guarded with movable barriers.d.Controls are provided with I interlocks so that extra movement is required.e.Controls are provided withinterlocks so that prior operation of a related or locking control is required.f.Controls are provided with I resistance so that distinct or sustained effort is required for activation. 8.If controls are recessed, shielded or otherwise guarded, the control is entirely con-tained within the envelope described by the recess or barrier.6A.1.2 aO CON-1 6A.1.2 b.(i)CON-1 6.4.1.2 c.(i)6A.1.2 d.(1)CON-1 6.4.1.2 d.(2)'ON-1 6.4.12 e CON-1 6.4.1.2 b.(2)CON-1 ON-SITE EVALUATION Is OPERATOR ASSISTED EVALUATION HUMAIN ENGINEER)Ma CHECKLIST CONTROLS EVALUATION GUIDELINE REF.EVALUATION GVIDEUNE When a guard is in the open position, it does not interfere with the operation of the guarded control or other adja-cent controls.6A.1.2 c.(3)CON-1 16.Control position information is I visible to the operator during control operation. Maintenance =6.6.3.8 Ce 10.On moveable covers or guards,$P safety or lock wires are not used.6A.1.2 c.(2)CON-1 Control surfaces have not (R been allowed to break, chip or crumble.6A.l.l e.(1)When sequential activation is necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new control action.6A.1.2 f.CON-1 12.Rotary action controls are used when linear or pushbutton controls would be subject-to inadvertent operation and fixed protective structures are impractical or inappropriate. 6.4.1.2 ge CON-1 13.Push-Pull controls have the operating position in the OUT position.CON-6 Direction/Rate of Motion Control movements conform to population stereotypes (see table in back).6.4.2.1 CON-1 Visibility 15.The control color contrasts with the panel background. 6A.2.2 f.(3)CON-3 ON-S1TE EUhTUhTTAN 8 APER h'TEER h 0 0 T%TED EVh T.ff h'PT HUMAN ENGINEERING CHECKLIST 12 CONTROLS EVALUATlON GUlDELlIE REF.EVALUAT10N GUlDELlNE TOGGLE SWITCHES Size, Shape, Design e Arrangement 18.Where a horizontal row of dis-plays is associated with a ver-tical column of switches (or vice versa), the farthest left horizontal item corresponds to the topmost vertical item.19.Where switches are arranged in fewer rows than displays, switches associated with top row of displays are positioned at far left;switches associa-ted with second row of, dis-plays are placed immediately to the right, etc.Coding/Identification 21.m Each control is recognizable in terms of its function.All discrete functional control positions are identified. 23.Q When color coding is used to relate a control to its cor-responding display, the same color is used for both the con-trol and the display.20.Control separ ation conforms$P to Table 6.8-2 and 6.8-3.CDI-11 CDI-3.1 6.8.3.1 6.4.1.1 c.(1)6.6.3.8 aO PA-28 PA-49 6.4.2.2 f.(2)CON-2 24.Selected controls make best use of space for the intended purpose and requirements for activation. 26.Omitted./Jf Operations 27.Accidental activation of con-trols is minimized by one or more of the following methods (check those which apply): a.Controls are located and I oriented so that the opera-tor will not strike them accidentally in any sequence of control move-ment.b.Controls are recessed, shielded, or otherwise sur-rounded by physical barriers.c.Controls are covered or guarded with movable barriers.d.Controls are provided with fR interlocks so that extra movement is required.25.Toggle switches conform to fP the dimensions in the figure on the back of this page.6 4.1.1 b.(4)6.4.5.3 Co CON-6 6.4.1.2 ao CON-1 6.4.1.2 b.(i)CON-1 6.4.1.2 c.(1)6 4.1.2 d.(1)CON-1 e ON-SITE EVALUAT1ON Ls OPERATOR ASSISTED EVALUATION HUMAN ENGIIIIEERIMG CHECKllST 13 CONTROLS EVALUATION GUIDELINE BEl'.EVALUATION GUIDELINE REF.e.Controls are provided with I interlocks so that prior operation of a related or locking control is required.f.Controls are provided with I resistance so that distinct or sustained effort is required for activation. 28.If controls are recessed, shielded or otherwise guarded, the control is entirely con-tained within the envelope described by the recess or barrier..9.When a guard is in the open~~~I position, it does not interfere with the operation of the guarded control or other adja-cent controls.30.On moveable covers or guards, safety or lock wires are not used.6A.1.2 d.(2)'ON-1 6A.1.2 e.CON-1 6A.1.2 b.(2)CQN-1 6.4.1.2 c.'(3)CQN>>1 6.4.1.2 c.(2)CQN-1 33.If this switch requires only.occasional resetting it is pro-vided with cover to protect it against inadvertent actuation. 34.If used, the guard is either: a.Lif t-to-unlock mecha-nism-resistance does not exceed 48 oz.b.Safety cover-location does not interfere with activation of guarded con-trol or any adjacent con-trols.c.Any equivalent method.Direction/Rate of Motion 35.Control movements conform to population stereotypes (see table in back).Feedback , CQN-6 6A.2.1 CON-1 31.I 32.I Rotary action controls are used when linear or pushbutton controls would be subject to inadvertent operation and fixed protective structures are impractical or inappropriate. When sequential activation is necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new control action.6.4.1.2 ge CON-1 6A.1.2 f.CQN-1 36.3 Toggle switches have an audible check, or provide some other source of feedback upon activation. Visibility 37.The control color contrasts with the panel background. 38.Control position information is Q visible to the operator during control operation. 6A.5.3 b.CON-6 6.4.2.2 f.(3)CON-3 6.6.3.8 Co ON-SITE EVALUATION Is OPERATOR ASSISTED EVALUATION HUMAN EIGlNEERING CHECKUST 14 CONTROLS EVALUATION GUIOELIIIIE REF.EVALUATION GUIDELINE REl'.Maintenance 39.Control surfaces have not been allowed to break, chip or crumble.6 4.1.1.:(1)ROCKER SWITCHES Arrangement 40 Control separation conforms$P to Table 6.8-2 and 6.8-3.41.Rocker switches are oriented vertically unless the location of the controlled function or equipment requires it to be horizontal. Coding/Identification 42.Each control is recognizable in I terms of its function.43.All discrete functional posi-t>ons are<denttfied. 6.8.3.1 6.4.5 4 a.(2)CON-7 6.4.1.1 c.(l)6.6.3.8 aO PA-28 PA-49 When color coding is used to relate a control to its cor-responding display, the same color is used for both the con-trol and the display.Size, Shape, Design 45.Rocker Switch displacement (see figure)is a m>nimum of 30 degrees and a maximum of 120 degrees for two positions and a minimum of 18 degrees, a maximum of 60 degrees, and an optimum of 25 degrees for three positiohs. 46.Rocker switches conform to the dimensions in the figure on the back of this page.6.4.2.2 f.(2)CON-2 6.4.5.4 e(3)(4)CON-7 6.4.5.4 e.CON-7 ON-SITE EVALUATION 9 OPERATOR ASSISTED EVALUATION HUMAN ENGINEERING CHECKI.IST CONTROLS EVALUATlON GUIDELlNF EVALUATlON GUlDEUME REF.47.Selected controls make best use of space for the intended purpose and requirements for~~activation. 1 Operations 48.Accidental activation of con-trols is minimized by one or more of the following methods (check those which apply): a.Controls are located'nd I oriented so that the opera-tor does not strike or move them accidentally in any sequence of control move-ments.b.Controls are recessed, shielded, or otherwise sur-rounded by physical barriers.c.Controls are covered or PP guarded with movable barriers.d.Controls are provided with I interlocks so that extra movement is required.e.Controls are provided with I interlocks so that prior operation of a related or locking control is required.f.Controls are provided with I resistance so that distinct or sustained effort is required for activation. 6A.l.l b.(4)6.4.1.2 ao CQN-1 6A.1.2 b.(1)CQN-1 6A.1.2 c.(1)6.4.1.2 d.(i)CQN-1 6A.1.2 d.(2)CON-1 6A.1.2 e.CON-1 49.50.I 51.52..54.fR 55.If controls are recessed, shielded or otherwise guarded, the control is entirely con-tained within the envelope described by the recess or barrier.When a guard is in the open position, it does not interfere with the operation of the guarded control or other adja-cent controls.On moveable covers or guards, safety or lock wires are not used.Rotary action controls are used when linear or pushbutton controls would be subject to inadvertent operation and fixed protective structures are impractical or inappropriate. When sequential activation is necessary, controls are pro-vided with locks to prevent controls form passing through a position.Further movement: requires a new control action.In the on position, the top of the switch is flush with the panel surface.Controls that have critical functions are protected to prevent inadvertent activa-tion.6.4.1.2 b.(2)CON-1 6A.1.2 c.(3)CON-1 6.4.1.2 c.(2)'OJV-1 6.4.1.2 go CQN-1 6.4.1.2 f.CON-1 6A.SA b.(2)CON-7 6.4.5.4 d.CON-7 I ON-SZTE EVALUATION 8 OPERATOR ASSISTED EVALUATION HUMAN EhlGIMEERING CHECKLIST 16 CONTROLS EVAI.UATION GUIOEI.INE REF.FVAI.UATION GUIDEI.INE Direction/Rate of Motion 56.Control movements conform~~~~to population stereotypes (see table in back).57.Activation of the upper part controls the QN or INCREASE function.Feedback 58.,Activation is indicated by a m snap feel, an audible check, or an integral light.6 4.2.1+CQN-11 6.4.5.4 a.(1)CON-71 6 4.5.4 b.(i)SLIDE SWITCH Arrangement 62.Control separation conforms to Table 6.8-2 and 6.8-3.Coding/Identification 63.Each control is recognizable in N terms of its function.64.All discrete functional control positions are identified. 6.8.3.1 6 4.1.1 c.(1)6.6.3.8 aO PA-28 PA-49 Visibility ~~59.The, control color contrasts with the panel background. 6 4.2.2 f.(3)CON-3 65.N When color coding is used to relate a control to its cor-responding display, the same color is used for both the con-trol and the display.6 4.2.2 f.(2)CON-2 60.Control position information is N visible to the operator during control operation. Maintenance 61.Control sur faces have not Q been allowed to break, chip or e crumble.6.6.3.8 Co 6.4.1.1 e.(l)Size, Shape, Design 66.$Jf Selected controls make best use of space for the intended purpose and requirements for activation. 67.Slide switch length is 1.0 inch.6 4.1.1 b.(4)6 4.5.2 b.(2)CON-7 68.The surface of slide switches is serrated or knurled.6.4.5.2 aO CON-7 69.Slide switch thickness is 0.25 inch.6.4.5.2 b.(1)CQN-7 ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION HUNlAN ENGlNEERIMG CHECKLlST 17 CONYRGLS EVALUATION GUIDELINE EVALUATION GUIDELINE REF.Operations 7 0.Accidental activation of con-trois is minimized by one or more of the following methods (check those which apply): a.Controls are located and Q oriented so that the opera-'or will not strike or move them accidentally in any sequence of control move-ment.b.Controls are recessed, shieided, or otherwise sur-rounded by physical barriers.c.Controls are covered or 8 guarded with movable barriers.d.Controls are provided with Q interlocks so that extra movement is required.e.Controls are provided with m interlocks so that prior operation of a related or locking control is required.f.Controls are provided with m resistance so that distinct or sustained effort is required for activation. 71.If controls are recessed, shielded, or otherwise guarded, the control is entirely contained within the envelope described by the recess or barrier.6 4.1.2 aO CQN-1 6 4.1.2 b.(i)CON-1 6 4.1.2 c.(i)6.4.1.2 d.(1)CON-1 6.4.1.2 d.(2)CON-1 6 4.1.2 e.CQN-1 6.4.1.2 b.(2)CQN-'1 72.Q When the guard is in the open position, it does not interfere with the operation of the guarded control or other adja-cent controls.74.S Rotary action controls are used when linear or pushbutton controls would be subject to inadvertent operation and fixed protective structures are impractical or inappropriate. 75..When sequential activation is m necessary, controls are pro-vided with locks to pr event controls from passing through a position.Further movement requires a new control action.Direction/Rate of Motion 76.Control movements conform to population stereotypes (see table in back).Visibility 77.The control color will contrast with the panel background. 78.Control position information is Q visible to the operator during control operation. 73.Qn moveable covers or guards, safety or lock wires are not used.6.4.1.2 c.(3)CON-1 6 4.1.2 c.(2)CON-1 6 4.1.2 go CQN-1 6.4.1.2 f.CQN-1 6.4.2.1+CON-1 6 4.2.2 f.(>)CQN-3 6.6.3.8 Co ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION HUMAN EmalNEER)MG CHECKUST 18 CONTROLS EVALUATION GUIDELINE REF.EVALUATION GUIDELINE Maintenance C ontrol surfaces have not been allowed to break, chip or crumble.6.4.1.1 e.(i)THUM3%HEEL5 Arrangement 80.Control separation conforms to Table 6.8-2 and 6.8-3.6.8.3.1'oding/Identification 81.Each control is recognizable in Q terms of its function.6.4.1.1 c.(1)82.If the thumbwheel is used as an input device, the QFF, zero, or normal position will be coded.6 4.5.1 b.+CON-9 83.Vlhen color coding is used to relate a control to its cor-responding display, the same color is used for both the con-trol and the display.84.All discrete functional control positions are identified. Size, Shape, Design 6.4.2.2 f.(2)CQN-2 6.6.3.8 aO 85./jan Selected controls make best use of space for the intended purpose and requirements for activation. 6.4.1.1 b.(4)86.Thumbw heel readouts are visible from the thumb wheel operating position.6.4.5.1 ao CON-8 87.Discrete setting thumbwheels conform to the figure and exhibit recommended dimen-sions.6 4.5.1 d.(1)CON-9 HUMAN ENGINEERIMG CHECKLIST CONTROLS EVALUATION GUIDELINE REF.EVALUATION GUIDEUNE REF.Operations '8.Accidental activation of eon-'~~trois is minimized by one or more of the following methods (check those which apply): a.Controls are located and oriented so that the opera-tor will not strike or move them accidentally in any sequence of control move-ment.b.Controls are recessed, shielded, or otherwise sur-rounded by physical barriers.c.'ontrols are covered or guarded with movable barriers.d.Controls are provided with m interlocks so that extra movement is required.e.Controls are provided with m interlocks so that prior operation of a related or locking control is required.f.Controls are provided with m resistance so that distinct or sustained effort is required for activation. 89.If controls are recessed, shielded, or otherwise guar ded, the control is entirely contained within the envelope described by the recess or barrier.6A.1.2 aO CON-1 6A.1.2 b.(i)'ON-1 6A.1.2 c.(1)6A.1.2'.(i) CON-1 6.4.1.2 d-(2)CQN-1 6.4.1.2 b(2)'ON>>1 6A.1.2 b.(2)CON-'1 90.m When a guard is in the open position, it does not interfere with the operation of the guarded control or other adjacent controls.92.m 93.e'4.m When sequential activation is necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new control action.Continuous adjustment thumb-wheeis have at least one inch of the wheel exposed to per-mit easy manipulation. When continuous adjustment thumbwheels have an CFF position, a detent is provided for feedback at that point.Direction/Rate of Motion 95.Control movements conform to population stereotypes (see table in back).96.Direction of motion is identi-fied for continuous motion rotary controls.91.Qn moveable covers or guards, safety or lock wires are not usede 6A.1.2 c.(3)CQN-1 6.4.1.2 c.(2).CQN-1 6.4.1.2 f.CON-1 6 4.5.1 c.(1)CON'-9 6.4.5.1 c.(3)CQN-9 6.4.2.1 CQN-1 6.6.3.8 b.PA-32 HUMAN EIIIGINEERlIIIG CHECKLlST 20 CONTROLS EVALUATlON GUlDELlIE REF.EVALUATION GUiDELlNE REF.Resistance, Force, Torque Thumbwheel controls which have discrete settings are detented between positions and snap into each position.6.4.5.1 d.(1)CON-9 PUSHBUTTONS Arrangement 102.Control separation conforms to Table 6.8-2 and 6.8-3.6.8.3.1 Visibility 98.The control color contrasts with the panel background. 6 4.2.2 f.(3)CON-3 103.I Lamps on panels having less than 4 lights may be tested by individual press to test function on legend push-buttons.VD-92 99.Control position information is visible to the operator during control operation. ReadabiHty 100.Digits on this thumbwheel are bold, black numerals engraved on a light background. Maintenance 6.6.3.8 Ce CON-9 104.Displays are arranged con-sistently from panel to panel.on legend pushbuttons. 105.Simultaneous testing of lamps Q on all control panels is avail-able on legend pushbuttons. 106.Sarriers are used when legend pushbuttons are located too close to each other.VD-18 VD-91 6.4.3.3 d.(i)>>CON-5 101.Control surface has not been Q allowed to break, chip or crumble.6.4.1.1 e.(1)Coding/Identification 107.Each control is recognizable in I terms of its function.6.4.1.1 c.(1)108.I When color coding is used to relate a control to its cor-responding display, the same color is used for both the con-trol and the display.6.4.2.2 f.(2)CON-2 HUMAN EMGIItI EERIIIIG CHECKLlST 21 CONTROLS EVAl.UATlON GUlDELlmE REF.EVALUATlON GUIDEi.lNE Size, Shape, Design Selected controls make best use of space for the intended purpose and requirements for activation. 110.Size dimensions for legend pushbuttons are a minimum of 0.75 inch and a maximum of 1.5 inches.lll.Barrier depth for legend buttons is a minimum of inch and a maximum Inch+push-0.183 0.250 112.Barrier width for legend push-buttons is a minimum of 0.125 inch.114.4P Diameter for fingertip opera-tion of unguarded and non-recessed pushbuttons is a minimum 0.385 inch and of guarded or recessed push-buttons is a minimum of 0.75 inch.115.Barriers have rounded edges.116.The surface of a pushbutton offers slip resistance or is concave.113.Pushbutton diameter for thumb or heel of hand opera-tion is a minimum of 0.75 inch.6.4.1.1 b.(4)6A.3.3 e.(i)CON-5 6.4.3.3 c.(4)CQN-5 6.4.3.3 e.(3)+CON-5 6.4.3.2 b.CON-5 6.4.3.2 a.+CON-5 6.4.3.3 d.(2)CON-'5 6.4.3.1 Co CQN-5 Operations 117.Accidental activation of con-trols is minimized by one or more of the following methods (check those which apply): a.Controls are located and I oriented so that the opera-tor will not strike or move them accidentally in any sequence of control move-ments.b.Controls are recessed, shielded, ot otherwise sur-rounded by physical barriers.c.Controls are covered or 8 guarded with movable barriers.d.Controls are provided with I interlocks so that extra movement is required.e.Controls are provided with I interlocks so that pr ior operation of a related or locking control is required.f.Controls are provided with resistance so that distinct or sustained ef fort is required for actuation. 118.If controls are recessed, shielded, or otherwise guarded, the control is entirely contained within the envelope described by the recess or barrier.6.4.1.2 aO CQN-1 6A.1.2 b.(1)CON-1.6.4.1.2 c.(l)6A.1.2 d.(1)CON-1 6A.1.2 d.(2)CON-1 6A.1.2 e.CQN-1 6.4.1.2 b.(2)CQN-1 HUMAN ENGINEERING CHECKLIST 22 CONTROLS EVAI.UATION GUIDELINE KVAI.UATIOIII GUIDBIIE REF.When a guard is in the open position, it does not interfere with the operation of the guarded control or other adja-cent controls.6.4.1.2 c.(3)CON-1 126.I Displacement for legend push-buttons is a minimum of 0 inch (touch plate)minimum 0.125 inch (all others)and a maxi-, mum of 0.250 inch.6A.3.3 e.(2)CQN-56 I 120.I I 121.I Qn moveable covers or guards, safety or lock wires are not usedo Rotary action controls are used when linear or pushbutton controls would be subject to inadvertent operation and fixed protective structures are impractical or inappr opriate.6A.1.2 c.(2)CON-13 6A.1.2 g>>CQN-1 Visibility 128.Transilluminated numerals and letters do not vary in engraving depth on legend pushbuttons. 127.The control color contrasts with the panel background. 6A.2.2 f.(3)CQN-3 VD-103 A positive indication is pro-vided in the form of a snap feel, an audible check, or an integral light for pushbuttons. 122.When sequential activation is Q necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new control action.4 Direction/Rate of Motion 123;Control movement conforms to population stereotypes (see table in back).Feedback 124.I 6.4.1.2 f.CQN-14 6.4.2.1+CON-11 6A.3.1 b.CON-53 129.Control position information is S visible to the operator during control operation. Maintenance 130.Control surfaces have not (R been ailowed to break, chip or crumble.6.6.3.'8 Co 6A.1.1 e-(1)125.Pushbut ton displacement for I thumb or finger operatipn is a~~minimum of 0.125 inch.h 6.4.3.2 Co CON-50 HUMAN ENGtNEERfIG CHFCKklST 23 CONTROLS EVALUATION GUIDELINE REF.EVALUATION GUIDELINE HAND CRANK Operations D1-Control separation will con-PP form the Table 6.8-2 and 6.8-3.Coding/Identification 132.Each control will be recog-I nizable in terms of its function.All discrete functional control~~~~positions will be identified. 134.When color coding is used to relate a control to its cor.-responding display, the same color will be used for both the control and the display.Size, Shape, Design 135.Selected controls make best~~~use of space for the intended purpose and requirements for activation. 136.Hand Crank switches conform/E to the dimensions in the figure on the back.6.8.3.1 6.4.1.1 c.(1)6.6.3.8 aO PA-28 PA-45 6.4.2.2 f.(2)CQN-2 6.4.1.1 b.(4)CQN-1 137.Accidental activation of con-trols is minimized by one or more of the following methods (check those which apply): a.Controls are located and Q oriented so that the opera-tor does not strike or more them accidentally in any sequence of control move-ments.b.Controls are recessed, shielded, or otherwise sur-rounded by physical barriers.c.Controls are covered or fP guarded with movable barriers.d.Controls are provided with I interlocks so that extra movement is required.e.Controls are provided with I interlocks so that pr ior operation of a related or locking control is required.Controls are provided with Q resistance so that distinct or sustained effort is required for activation. 138.If controls are shielded, recessed, or otherwise guarded, the control is entirely contained within the envelope described by the recess or barrier.6.4.1.2 aO CQN-1 6.4.1.2 b.(1)CQN-1 6 4.1.2 c.(1)6.4.1.2 d.(1)'QN-1 6.4.1.2 d.(2)CQN-1 6 4.1.2 e.CQN-1 6.4.1.2 b.(2)CON-1 ..HUMAN EmolNEERIIG CHECKLlST 24 CONTROLS EVALUATION GUIOELIIIIE EVALUATION GUIDELINE 139.When a guard is in the open~~position, it does not interfere with the operation of the guarded control or other adja-'ent controls.'I 140.On moveable covers or guards, safety or lock wires are not used.6 4.1.2 c.(3)CON-1 6.4.1.2 c.(2)CON-1 146.Control position information is I visible to the operator during control operation. Maintenance 147.Control surfaces have not g been allowed to break, chip or crumble.6.6.3.8 Co 6.4.1.1 e.(1)141.Q Rotary action co'ntrols are used when linear or pushbutton control would be subject to inadvertent operation and fixed protective struc'tures are impractical or inappropriate. 6.4.1.2 go CON-1 142.I When sequential activation is necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new control action.6 4.1.2 f.CON-1 Direction/Rate of Motion 143.Control movements conform to population stereotypes (see table in back).144.Direction of motion is identi-fied for continuous motion rotary controls.6 4.2.1 CON-1'.6.3.8 b.PA-32 Visibility 145.The control color contrasts with the panel background. 6.4.2;2 f.(3)CON-3 HUMAN ENGINEERlmo CHECKklST 25 CONTROLS EVALUATION GUIDELINE REF.EVALUATION GUIDELIItlE Coding/Identification 149.N 150.Each control is recognizable in terms of its function.All discrete functional control positions are identified. 151.N When color coding is used to.relate a control to its cor-responding display, the same color will be used for both the control and the display.Size, Shape, Design 152.fP Selected controls make best use of space for the intended purpose and requirements for activation. HAND WHEELS Arrangement 148.Control separation conforms$E to Table 6.8-2 and 6.8-3.6.8.3.1 6 4.1.1 c.(1)6.6.3.8 aO PA-28 PA-45 6.4.2.2 f.(2)CON-2 6 4.1.1 b.(4)Operations b.Controls shielded, rounded barriers.c.Controls guarded barriers.are recessed, or otherwise sur-'y physical are covered or with movable d.Controls are provided wit:h S interlocks so that extra movement is required.e.Controls are provided with N interlocks so that prior operation of a related or locking control is required.Controls are provided with N resistance so that distinct or sustained effort is required for activation. 154.If controls are recessed, shielded, or" otherwise guarded, the control is entirely contained within the envelope described by the recess or barrier.'53. Accidental activation of con-trols is minimized by one or more of the following methods (check those which apply): a.Controls are located and Q oriented so that the opera-tor does not strike or more them accidentally in any sequence of cont:rol move-ments.6.4.1.2 aO CON-1 6.4.1.2 b.(1)CON-1 6 4.1.2 c.(1)6 4.1.2 d.(1)CON-1 6.4.1.2 d.(2)CON-1 6.4.1.2 e.CON-1 6.4.1.2 b.(2)CON-1 HUMAN EMGIIEERlMG CHECKi.1ST 26 CONTROLS EVAf.UATlON GUtDELlIE EYALUATtON GUIDEUNE REF./155.When a guard is in the open~~position, it does not interfere with the operation of the guarded control or other adja-cent controls.6A.1.2 c.(3)CON-1 Visibility 162.The control color contrasts with the panel background. 6A.2.2 f.(r)CQN-3 156.On moveable covers or guards, safety or lock wires will not be used.6A.1.2 c.(2)CON-I 163.Control position information is I visible to the operator during control operation. 6.6.3.8 Ce 157.I 158.I Rotary action controls are used when linear or pushbutton controls would be subject to inadvertent operation and fixed protective structures are impractical or inappropriate. When sequential activation is necessary, controls are pro-vided with lacks to prevent controls from passing through a position.Further movement requires a new control action.6A.1.2 ge CQN-1 6A.1.2 f.CON-1 Maintenance 164.Control surfaces have not I been allowed to break, chip or crumble.6.4.1.1.e.(1)Direction/Rate of Motion 159.Control movements conform to population stereotypes (see~~~~table in back)..160.Direction. of motion is identi-fied for continuous motion rotary controls.6A.2.1 CQN-1 6.6.3.8 b.PA-32 Resistance, Force, Torque 161.8 This handwheel's rim is pro-vided with contoured molding and has a high degree of frictional resistance. CQN-1 1 HUMAN EMGfNEER)MG CHECKLlST 27 CONTROLS EVALUATION GUIDELINE REI:.EVALUATION GUIDELINE REF.DISCRETE ROTARY-GENERAL Arrangement 165.Control separation conforms to Table 6.8-2 and 6.8-3.Coding/Identification 166.Each control is recognizable in Q terms of its function.167.All discrete functional control positions are identified. ~~~~~8.When color coding is used to~el relate a control to its cor-responding display, the same color will be used for both the control and the display.169.Shape coding techniques are 8 visually and tactually identi-fiable and free of sharp edges.Size, Shape, Design 170.Selected controls make best~~use of space for the intended purpose and requirements for activation. 6.8.3.1~6A.l.l c.(1)6.6.3.8 aO 6A.2.2 f.(2)CQN-2 6A.1.1 b.(4)'perations 171.Accidental activation of con-trols is minimized by one or more of the following methods (check those which apply): a.Controls are located and Q oriented so that the opera-tor does not strike or move them accidentally in any sequence of control move-ment.b.Controls are recessed, shielded, or otherwise sur-rounded by physical barriers.c.Controls are covered or guarded with movable barriers.d.Controls are provided with Q interlocks so that extra movement is required.e.Controls are provided with (R interlocks so that pr ior operation of a related or locking control is required.Controls are provided with Q resistance so that distinct or sustained effort is required for activation. 172.If controls are recessed, shielded, or otherwise guarded, the control is entirely contained within the envelope described by the recess or barrier.6A.1.2 aO CQN-1 6A.1.2 b.(1)CQN-1 6.4.1.2 c.(l)6.4.1.2 d.(i)CQN-I 6.4.1.2 d.(2)CQN-1 6.4.1.2 e.CQN-1 6A.1.2 b.(2)CQN-1 HUMAN EMGlIEERIIG CHECKLIST 28 CONTROLS EVAI.UATION GUIGEI.IIIIE REF.EVALUATION GUIDEI.IIE 173.When the guard is in the open position, it does not interfere with the operation of the guarded control or other adja-cent controls.6.4.1.2 c.(3)CON-1 180.The control color contrasts with the panel background. Maintenance 6A.2.2 f.(3)CON-3 174.On moveable covers or guards, safety or lock wires are not used.6A.1.2 c.(2)CQN-1 181.Control sur faces have not I been allowed to break, chip or crumble.6A.l.l e.(1)175.I Rotary action controlsare used when linear or pushbutton controls would be subject to inadvertent operation and fixed protective structures are impractical or inappropriate. 176.I When sequential activation is necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new control action.Direction/Rate of Motion 177.Control movements conform to population stereotypes (see table in back).L78.Rotary control settings increase in value with a clock-wise rotation.Visibility 179.Control position information is I visible to the operator during control operation. 6A.1.2 ge CON-1 6A.1.2 f.CON-1 6A.2.1 CON-1 6.4A.l aO CON-2 6.6.3;8 Ce DISCRETE ROTARY-STAR HANDLES DISCRETE ROTARY-ROTARY SELECTOR Size, Shape, Design 182.Rotary selector switch length is a minimum of 1.0 inch and a maximum of 4.0 inches.183.Rotary selector switch width is a maximum of 1.0 inch.184.Rotary selector switch diam-eter is a minimum of 1.0 inch.185.Rotary selector switch depth$P is a minimum of 0.625 inch and a maximum of 3.0 inches.h 186.Controls have a moving pointer and fixed position settings.6.4.4.5 e.(1)CQN<<3 6.4.4.5 e.(2)CON-3 6A.4.5 e.(3)6AA.5 e.(4)CQN-6AA.5 ce CQN-HUMAN ENGlNEERlNG CHECKLlST 29 CONTROLS EVALUATION GUIDELINE REF.EVALUATION GUIDELINE REF.187.This rotary control is provided~~~with a reference line on the pointer.This line has 50%minimum contrast with the control cover under all lighting conditions. 188.Position indication is provided by either illuminated indicator lights, a line engraved both on the top of the knob and down the side, or a pointer shape.189.The position of the knob in reference to position markers does not result in confusion. To minimize the problem of parallax, pointers on knobs will be mounted close to the settings to which they point.190.Rotary selector controls are used when there are 3 or more detended positions required, and may be used for 2-detented position operation. CQN-2 6A.4.5 d.(i)6.4.4.5 d (2)++CON-2 6AA.5 a.+CON-3 Resistance, Force, Torque 194.Detents are provided at each m control position.DISCRETE ROTARY-J-HANDLE Size, Shape, Design 195.J-handle clearance is between 1 and 2 inches.196.Where smaller 3-handles are used, the handle preportion has a flattened or flared tip for finger placement, and the clearance between handle and panel surface can be less.197.J-handle length is between 1 and 2 inches.6A.4.5 b.(i)CQN-3 6AA.2 a (2)CON-4 6.4.4.2 b.6A.4.2 a.(i)CON-4 1.It is not be possible to position a control between detented positions. 6A.4.5 b.(2)CON-3 192.A maximum of 24 positions is used.6.4A.5 b.(3)CON-3 193.Stops are provided at the Q limits of the control range.6.4.4.5 b.(4)CON-3 00 HUMAN ENGlNEERlmo CHECKUST 30 CONITROLS EVAl.UATlOI GUIDEl.lNE REF.EVAl.UATlON GUIDEl.lNE REF.Arrangement ~98-Control separation conforms~$P to Table 6.8-2 and 6.8-3.Coding/Identification 199.Each control is recognizable in Q terms of its function.200.Control positions are labeled on key-operated switches.201.Direction of motion is identi-fied for key-operated switches.202.When color coding is used to fR relate a control to its cor-responding display, the same color is used for both the con-trol and the display.Size, Shape, Design 203.Selected controls make best use of space for the intended purpose and requirements for activation. 204.Keys with a single row of teeth are inserted into the lock with the teeth pointing up or forward.6.8.3.1 6A.1.1 c.(1)6A.4.3 f.CQN-4 6.6.3.8 aO PA-28 PA-49 6.6.3.8 b.PA-32 6A.2.2 f.(2)CON-2 6.4.1.1 b.(4)6.4A.3 b.CON-4 207.I Key-operated controls are used solely when system requirements dictate that the function being controlled should be secured against acti-vation by unauthorized per-, sonnel.Operations 208.Locks are oriented so that the switch is OFF (or SAFE)when the key is in the vertical position.209.I Oper ators normally are not able to remove the key from the lock unless the switch is turned to the OFF or SAFE position.210.The angular displacement is a minimum of 80o and a maxi-mum of 90o.211.I When sequential activation is necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new control action.205.If keys have teeth on both edges, they fit the lock with either side up or forward.206.The height of key in inches is a minimum of 0.5 and a maxi-mum of 3.0.6AA.3 Co CON-4 6A.4.3 g.(2)CQN-4 6.4A.3 ao 6.4A.3 d.CQN-4 6.4.4.3 e.CQN-4 6A.4.3 g.(1)CQN-4 6.4.1.2 f.CQN-1 0 e HUMAN ENGINEERING CHECKLIST 31 CONTROLS EVALUATlOlbl GUIDELINE REF.EVALUATlOI GUIDELlltlE Direction/Rate of Motion Control movements conform to population stereotypes (see table in back).213.Control settings increa'se in value with a clockwise rotation.Visibility 214.The control color constrasts with the panei background. 6.4.2.1+CQN-1 6.4.4.1 aO CON-2 6.4.2.2 f.(3)CQN-3 C KNOBS Arrangement 217.Control separation conforms to Table 6.8-2 and 6.8-3.Coding/Identification 218.Each control is recognizable in I terms of its function.219.All discrete functional control positions are identified. 6.8.3.1 6 4.1.1 c.(l)6.6.3.8 aO c3.5.Control position information is I visible to the operator during control operation. Maintenance 6.6.3.8 co 220.I When color coding is used to relate a control to its cor-responding display, the same color is used for both the con-trol and the display.6.4.2.2 f.(2)CQN-2 216.Control surfaces have not Q been allowed to break, chip or crumble.6.4.1.1 e.(1)Size, Shape, Design 221.Selected controls make best use of space for the intended purpose and requirements for activation. 6 4.1.1 b.(4)Operations 222.Accidental activation of con-trols is minimized by one or more of the following methods (check those which apply): a.Controls are located and Q oriented so that the opera-tor will not strike or move them accidentally in any sequence of control move-ment.6 4.1.2 ao CQN-1 HUMAN ENGlIEERlNG CHECKLlST 32 EVALUATlON GUlDELlIE REF.EVALUATlGI GUIDELlIE b.Controls are recessed, shielded, or otherwise sur-rounded by physical barriers.c-Controls are covered or guarded with the movable barrier.d.Controls are provided with interlocks so that extra movement is required.e.Controls are provided with fR interlocks so that prior operation of a related or locking control is required.f.Controls are provided with I resistance so that distinct or sustained effort is required for activation. 223.If controls are recessed, shielded, or otherwise guarded, the control is entireiy contained within the envelope described by the recess or barrier.When a guard is in the open position, it does not interfer'e with the operation of the guarded control or other adja-cent controls.6A.1.2 b.(i)CON-1 6A.1.2 c.(i)CON-I 6A.1.2 d.(1)CON-1 6A.1.2 d.(2)CQN>>1 6A.1.2 e.CON-1 6A.1.2 b.(2)CON-1 6A.1.2 c.(V)CQN-1 226.I 227.I Rotary action controls are used when linear or pushbutton controls would be subject to inadvertent 'operation and fixed protective structures are impractical or inappropriate. When sequential activation is necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new controi action.Direction/Rate of Motion 22S.Control movement conforms to population stereotypes (see table in back).229.Control settings increase in value with a clockwise rotation.230.Direction of motion is identi-fied for continuous motion rotary controls.Visibility 231.The control color contrasts with the panel background. 6A.1.2 go CQN-1 6A.1.2 f.CON-1 6.4.2.1 CQN-1 6AA.1 aO CON-2 6.6.3.8 b.6A.2.2 f.(~)CQN-3 225.On moveable covers or guards, fP safety or lock wires will not be used.6.4.1.2 c.(2)CON-'1 232.Control position information is I visible to the operator during control operation. 6.6.3.8 Co HUMAN EIIIGIIFERIMG CHECKUST 33 CONTROLS EVALUATlGN GUlOFL1HE REF.EYALUAT10M GUIOELlNE REF.(ALL)Control surfaces have not been allowed to break, chip or.crumble.6.4.1.1 e.(l)Arrangement 234.Control separ ation conforms/E to Table 6.8-2 and 6.8-3.6.8.3.1 Coding/Identification 235.Each control is recognizable in I terms of its function.- 6.4.1.1 c.(i)'36.I When color coding is used to relate a control to its cor-responding display, the same color is used for both the control and the display.6 4.2.2 f.(2)CON-2 Size, Shape, Design 237.fP Selected controls make best use of space for the intended purpose and requirements for activation. 6.4'.l.l b.(4)238.Knobs for continuous adjust-ment controls are round<n shape, with knurled or serrated edges.6.4 4.4 aO CON-3 239.Fingertip grasp knobs conform to the following dimensions: height (inches)minimum 0.5 and maximum 1.0;diameter (inches)minimum 0.375 and maximum 4.0.6 4.4.4 c.(l)CON-3 HUMAIN FIT GtNEERIMG CHECKklST 34 CONTROLS EVALUAT10N GUIDE1.IIE EVALUAT10I GU10EL1ME REF.240.Thumb and forefinger fP'ncircled knobs conform to~~~~~~the following dimensions: diameter (inches)minimum 1.0 and maximum 3.0.241.Controls used with knob skirts 7P have a minimum skirt diameter of 2.0 inches.242.Controls used with knob skirts have a minimum skirt height of 0.25 inch.243.Controls used with knob skirts'have a minimum finger stop diameter of 1.25 inches.244.Controls used with knob skirts$P have finger stop height plus rotary knob height of a total minimum of 0.75 inch.245.When controls are used with 8 knob skirts, minimum knob diameter is 0.75 inch.Operations 6.Accidental activation of con-trois is minimized by one or more of the following methods (check those which apply): a.Controls are located and I oriented so that the opera-tor will not strike or move them accidentally in any sequence of control move-ments.6.4AA c.(2)CON-3 6.4.4.4 e.(i)CON-2 6.4.4A e.(2)>>CON-2 6AA.4 e.(3)>>CON-2 6AAA e.(4)CON-2 6A.4A e,(5)>>CON-2 6.4.1.2 80 CQN-1 b.Controls are recessed, shielded, or otherwise sur-rounded by physical barriers.c.Controls are covered or guarded with movable barriers.d Controls are provided with (R inter locks so that extra'ovement is required.e.Controls are provided with I interlocks so that prior operation of a related or locking control is required.. f.Controls are provided with Q resistance so that distinct or sustained effort is required for activation. 248.I When a guard is in the open position, it does not interfere with the operation of the guarded control or other adja-cent controls.249.Qn moveable covers or guards, safety or lock wires are not used.247.If controls are recessed, shielded, or otherwise guarded, the control is entirely contained within the envelope described by the recess or barrier.6.4.1.2 b.(1)CON-1 6A.1.2 c.(1)6A.1.2 d.(1)CON-1 6A.1.2 d.(2)CQN-1 6A.1..2 e.CON-1 6A.1.2 b.(2)CON-1 6.4.1.2 c.(3)CQN-1 6A.1.2 c.(2)CON-1 AH RT'PV%'Elhi r'Th&'TA% HUMAN ENGINEERING CHECKLIST CONTRQLS svaL,uaVio~ Gu~oE<is~EVALUATlON GUIDE1.IIII'EF. 250.I 251.(R Rotary action controls are used when linear or pushbutton controls would he subject to inadvertent operation and fixed protective structures are impractical or inappropriate. When sequential activation is necessary, controls are pro-vided with locks to prevent controls from passing through a position.Further movement requires a new control action.6A.1.2 ge CON-1 6A.1.2 f.CON-1 Readability 257.When an indication of positon is desirable, pointers conform to those in guideline. When more accuracy is required, a line is engraved on the top and side of pointer.Maintenance 258.Control surfaces have not I been allowed to break, chip or crumble.6.4A.4 b.CON-40 6A.1.1 e.(1)Direction/Rate of Motion t~2.Control movements conform to population stereotypes (see table in hack).6A.2.1 CON-1 253.Rotary control settings increase in value with a clock-wise rotation.6A.4.1 aO CON-2 254.Direction of motion is identi-fied for continuous motion rotary controls.6.6.3.8 b.PA-32 Yisihility 5.The control color contrasts~~with the panel background. 6A.2.2 f.o).CON-3 256.Control position information is Q visible to the operator during control operation. 6.6.3.S Co ON-SITE EVALUATION 8 OPERATOR ASSISVPn~un.v.<~r~~r~. HUMAN EmolNEERING CHECKl.lST 36 DISPLAYS EVALUATlOM GUIDELlME REF.EVALUATlOM GUlDELIME ding/Identification 1.Component representations on mimic lines are identified. 2.All mimic origin points are labeled or begin at labeled components.. All mimic destination or ter-minal points are labeled or end at labeled components. 4.Flow directions are clearly indicated by distinctive arrow-he'ads.Visibility 5.There is adequate contrast between the mimic colors and the panel.Readability No more than 4 mimic lines of the same color run in parallel if the operator must quickly identify them.6.6.6.4 b.(6)PA-65 6.6.6.4 b.(4)PA-64 6.6.6.4 b.(5)PA-64 6.6.6.4 b.(i)PA-64 6.6.6 4 a.(3)6.6.6.4 a.(5)PA-65 COUNTERS Arrangement 8.Counters are constructed and arranged to minimize reflection of ambient illumi-nation from the display cover.Location 9.The viewing distance to counters is at least 13 inches and preferably at least 20 inches.Operations 10.Numbers change by snap action rather than continuous movement.This counter used to indicate the sequence of equipment automatically resets upon completion of the sequence.Direction/Rate of Motion 12.Counter drums move upward with increasing vaiues.VD-23 VD-24 6.5.5.1 c.(1)VD-82 VD-83 6.5.5.1 c.(2)VD-82 7.Overlapping of mimic lines is avoided.6.6.6.4 b.(2)13.For counters, one knob revo-lution equals about 50 counts (the right hand drum rotates 5 times).VD-82 CDI-5 HUMAN ENGINEERING CHECKLIST 37 DISPLAYS EVALUATlON GUIDELlIE REF.EVALUATlGN GUIDELINE Readability t 4.Multi-digit numbers are read horizontally from left to right.15.Window size permits only one digit to appear at any one time.16.If more than 4 digits are used, grouping of digits separated by appropriate commas, decimal points, or spaces will be used.6.5.5.1 a.(i)VD-83 6.5.5.1 b.(3)VD-83 6.5.5.1 a.(3)VD-83 22.Numerals intended to be read consecutively do not follow each other faster than two per second.Readability 23.Multi-digit numbers will be read horizontally from left to right.24.Valid messages on the display face are brief.6.5.5.2 b.6.5.5.2 a.(1)6.5.1 4 Co e 7.Counters are mounted per-pendicular to line of sight.18.Counters are mounted close to panel surface.6.5.5.1 b.(1)VD-82 6.5.5.1 b.(2)VD-82 25.N Displays indicate values in a form immediately usable by the operator without requiring mental conversion. Values may, however, be multiplied or divided by a power of ten.6.5.1.2 b.and 6.5.1.4 f.VD-6 20.Valid messages on the displays face will be brief.19.Surface of drum and sur-II roundings have matte finish to minimize glare.6.5.5.1 a.(5)VD-84 6.5.1.4 Co PA-55 LEGEND LIGHTS Operations 26.Status is inferred by illumi-I nated indicators and never by absence of illumination. 6.5.3.1 c.(1)VD-89 21.Q Displays indicate values in a form immediately usable by the operator without requiring mental conversion. Values may, however, be multiplied or divided by a power of ten.6.5.1.2 b.and 6.5.1.4 f.VD-6.27.Indicator lights are not used to I alert operators to unfavorable status.6.5.3.1 d.PRO JECTION-ELECTRONIC COUN HERS irection/Rate of Motion HUMAN ENGIIIIEER)IG CHECK(.)ST 38 DISPLAYS EVALUATION GUIDELINE REF.EVALUATION GUIDELINE REF.Visibility t 8-For legend pushbuttons used al under varied ambient lighting,. a dimming control is provided that permits display legibility under all ambient lighting con-ditions.29.Circuitry is design to test I operation of total indicator circuit.30.Control room contains only~~~minimum numbers'f'ights required.VD-90 VD-92 VD-94 IMPACT RECORDERS Coding/Identification 34.I When readings must be multi-plied or divided by a power of ten, the component is clearly marked as to whether the reading should be multiplied or divided, and what the factor iso Size, Shape, Design 35.Moving scale fixed-pointer meters are not used.6.5.1.2 e.6.5.2.5 PA-41 PA-62 INDICATOR LIGHTS Location 36.A selection of low paper I speeds and a high paper speed is available. 6.5A.l.I~31.I Changes critical to safety or effectiveness have a high priority in the operator's cen-tral field of view and contain stimuli demanding high attention. erations VD-8 37.lt is convenient to annotate Q information on the recordings. Means are provided to receive completed recordings and for tearing of f records for storage.6.5.4.1 je VD-79 6.5A.1 d.VD-78 VD-79 32.Status is inferred by illumi-I nated indicators and never by absence of illumination. Indicator lights are not used to I alert operators to unfavorable status.6.5.3.1 c.(1)VD-89 6.5.3.1 d.Operations 39.The number of channels does not exceed capacity.40.A channel is selected for dis-I play without;awaiting com-pletion of sampling cycle.6.5.4.2 b.(1)6.5A.2 b.(4) HUMAIN EIIIGINEERlNG CHECKllST 39 DISPLAYS EVALUATION GUIDELINE REF.EVALUATION GUIDELINE Readability Printed numbers on recording are clear, sharp and small enough to avoid data crowding.42.fE Channels are easily viewed on display and instrument. Numerals on fixed scale meters are vertical.43.All recorded data is visible through the window.6.5A.2 b.(3),6.5.4.2'b.(2)6.5.4.1 k.VD-80 6.5.2.4 aO VD-65 51.Pointer/background contrast and pointer size provide good indication of pointer position.52.I Displays indicate values in a form immediately usable by the operator without requiring mental conversion. Values may, however, be multiplied or divided by a power of ten.53.Zone markings are conspicuous and distinctively different for different zones.54.Zone markings do not inter-IR fere with display reading.6.5.2.2 Co 6.5.1.2'.'and 6.5.1A f.VD-6 6.5.2.3 aO 6.5.2.3 b.45.Valid messages on the display face are brief.6.5.1A Co PA-55 Scaling 46.Single pointer with multiple scales are not used.6.5.1.5 f.VD-69 55.Scales on paper correspond to 8 scales shown on recorder.6.5A.1 b.47.48.49.gp Pointer tips are simple.Examples are shown in the figure.Pointer tips do not conceal scale graduation marks or numerals.Pointer tip extends to within about 1/16 inch of (but does not overlap)the smallest grad-uation marks.Pointers are mounted to avoid parallax problems.6.5.2.2 a.(i)VD-70 6.5.2.2 a.'(2)VD-70 6.5.2.2 b.(1)-VD-70 6.5.2.2 b.(2)VD-70 56.No more than 9 graduations separate numerals in the scale markings.57.Major and minor graduations are, used if up to four gradua-tions are used between numerals.58.Major, intermediate and minor graduations are used if 5 or more graduations are used between numerals.6.5.1.5 a.(1)VD-63 6.5.1.5 a.(2)6.5.1.5 a.(3) HUMAN EMGINEFRIMG CHECKLIST 40 DISPLAYS EVALUATION GUIDELINE REF.EVALUATION GUIDELIItIE 59.Graduation height for scale markings conform to figure.~~60.Successive values of unit grad-uations conform to figure or those values multiplied by powers of ten.61.Scale values increase with movement of the pointer upward, clockwise, or to the right.62.Logarithmic scales for scale markings are not used except where a large range of values are required.6.5.1.5 b.VD-32 6.5.1.5 c>>VD-71 6.5.2.1 a>>b>>c>>VD-65 VD-67 6.5.1.5 e.VD-63 67.68.69.$P Printed information on this trend recorder is compre-hensible and minimizes need for decoding, interpolating, etc.Aids are provided when operator must interpret graphic data.If multiple scales appear on this trend recorder, color coding is used t:o associate correct scale with correct selector-switch position.A means is provided to receive completed recordings and for tearing off records for storage.VD-78 VD-69 6.5.4.1 d.VD-78 VD-79 STRIP CHARTS Coding/Identification 63.Chart paper is white, the graph lines black, and pen tracing red or green.Size, Shape, Design 4.Moving scales fixed-pointer meters are not used.66.It is convenient to annotate Q information on the recordings. 65.A selection of low paper m speeds and a high paper speed are available. VD-80 6.5.2.5 PA-41 PA-62 6.5.4.1 I~6.5.4.1 VD-79 72.Printer paper moves from bottom to top.73.The numerical progression on this trend recorder increases clockwise, from left to right or from the bottom up, depending on display design or orientation. Direction/Rate of Motion 70.Pens for this single sheet chart system move from left to right.71.Moving chart system paper moves from right to left.VD-80 VD-80 VD-80 VD-65 ON-STTF, F.V>7.UA'PTER a APFRA'PO HUMAN ENGIIIIEERlMG CHECKl.lST DISPLAYS EYALUATlON GUIOELlNE REF.EYALUATlON GUlDELlNE REF.All recorded data are visible through the window.6.5.4.1 k.VD-80 83.The printer incorporates inter-nal illumination to enhance readability of printed material under inadequate ambient illumination. VD-79 75.Numerals on fixed scale meters are vertical.76.Valid messages on the display face are brief.6.5.2.4 a4 VD-65 6.5.1 4 Co PA-55 84.Q Displays indicate values in a form immediately usable by the operator without requiring mental, conversion. Values may, however, be multiplied or divided by a power of ten.6.5.1.2 b.and 6.5.1.4 f.VD-6 g7.78.Single pointer with multiple scales are not used.Pointer tips are simple.Examples are shown in the figure.6.5.1.5 f.VD-69 6.5.2.2 a.(1)VD-70 85.Zone markings are conspicuous and distinctively different for different zones.86.Zone markings do not inter-Q fere with display reading.Scaling 6.5.2.3 aO 6.5.2.3 b.79.80.y e 81.82.Pointer tips do not conceal scale graduation marks or numerals.Pointer tip extends to within about 1/16 inch of (but does not overlap)the smallest grad-uation marks.Pointers are mounted to avoid parallax problems.Pointer/background contrast and pointer size provide good indication of pointer position.6.5.2.2 a.(2)VD-70 6.5.2.2 b.(1)VD-70 6.5.2.2 b.(2)VD-70 6.5.2.2 ci 87.Scale on paper corresponds to scales shown on recorder.88.No more than 9 graduations separate numerals in the scale markings.89, Major and minor graduations are used if up to 4 graduations are used between numerals.90;Major, intermediate and minor graduations are used if 5 or more graduations are used between numerals.91.Graduation height for scale markings conform to figure.6.5.4.1 b.6.5.1.5 a.(i)VD-63 6.5.1.5 a.(2)6.5.1.5 a.(3)'.5.1.5 b.VD-32 HUMAN ENGINEERflo CHECKLIST DISPLAYS EVALUATION GUIOEI.INE REF.EVALUATION GUIDELINE REF.92.Successive values of unit grad-uations conform to figure or those values multiplied by powers of 10.93.(R Logarithmic scales for scale markings are not used except where a large range of values are required.METERS Location Coding/Identification 95.When readings must be multi-Q plied or divided by a power of ten, the component is clearly marked as to whether the reading should be multiplied or divided, and what the factor iso Size, Shape, Design~~~96.Moving scales fixed-pointer $P meters are not used.94.Pointers are located to the t right of vertical scales and at the bottom of horizontal scales.6.5.1.5 Co VD-71 6.5.1.5 e.VD-63 VD-67 6.5.1.2 e.6.5.2.5 PA-41 PA-62 97.Linear scales are used in preference to nonlinear scales.Nonlinear scales are used to condense a large range into a small space for sensitive readings at critical ranges of the scale.98.This meter's scale indicators are used to display quanti-tative and qualitative infor-mation (such as trend and direction-of-motion). 99.IR For this moving scale display, if the control is a gross approximator of position and has position detents, the numbers increase from right to left.Operations 100.The pointer color is the same as that of numbers and indices.Direction/Rate of Motion 101.The scale indicators for various applications are based on the criteria in table on the back.VD-61 VD-62 PA-41 VD-70 VD-62 102.5E Scale values increase with movement of the pointer up-ward, clockwise or to the right.6.5.2.1 a.b.c.VD-67 VD-65.t ON-SZTE EVALUATZON Q OPERATOR ASS'USTED EVALUATION HUMAN EmolIEERIMG CHECKLlST 43 DISPLAYS EVALUATION GUIDELIIIIE REF.EVALUATION GUIDEUNE REF.103.SE For knobs used to make coarse display element settings (0.016 to 0.100 inch tolerance), one complete knob turn results in approximately 6 inches of dis-play element movement.104.$P Readability For knobs used to make fine display settings (0.007 to 0.015 inch tolerance), one complete knob turn results in approxi-mately 1-2 inches of display element movement.CDI-5 CDI-5 ill.Pointer is mounted to avoid parallax problems.112.Pointer/background contrast and pointer size provide good indication of pointer position.Displays indicate values in a form immediately usable by the operator without requiring. mental conversion. Values may, however, be multiplied or divided by a power of ten.6.5.2.2 b.(2)VD-70 l 6.5.2.2 Co 6.5.1.2 b.and 6.5.1.4 f.VD-6 e Numerals on fixed scale meters will be vertical.6.5.2 4 aO VD-65 114.'one markings are conspicuous and distinctively different for different zones.6.5.2.3 aO 106.Valid messages on the display face are brief.107.Single pointer with multiple$P scales are not used.108.Pointer tips are simple.Examples are shown in the figure.109.Pointer tips do not conceal scale graduation marks or numerals.110.Pointer tip extends to within about 1/16 inch of (but does not overlap)the smallest grad-uation marks.6.5.1.4 Co PA-55 6.5.1.5 f.VD-69 6.5.2.2 a.(i)VD-70 6.5.2.2 a.(2)VD-70 6.5.2.2 b.(1)VD-70 115.Zone markings do not inter-I fere with display reading.Scaling 116.No more than 9 graduations separate numerals in the scale markings.117.Major and minor graduations are used if up to 4 graduations are used between numerals.118.Major, intermediate and minor graduations are used if 5 or more graduations are used between numerals.119.Graduation height for scale markings conform to figure.6.5.2.3 b.6.5.1.5 a.(1)VD-63 6.5.1.5 a.(2)6.5.1.5 a.(i)6.5.1.5 b.VD-32 ON-SETE EVALUATION 8 OPERATOR ASSXSTED EVALUATION HUMAN EIGINEERIMG CHECKLIST DISPLAYS EVALUATlON GUIDELINE EYALUAT)ON GUlDEElNE , 120.Successive values of unit grad-uations conform to figure or those values multiplied by'owers of 10.6.5.1.5 Co VD-71 127.If this circular meter dial is to be scanned rapidly, the normal position of the pointer is at the 9 o'lock position.121.Q Logarithmic scales for scale markings are not used except where a large range of values are required.6.5.1.5 e.VD-63 128.I Information is displayed on this meter only to the degree of specificity and precision required'for a specific opera-tor action or decision.CIRCULAR ONLY Visibility 22.The two ends of the pointer, are identifiable when recipro-cal readings are required.VD-70 Scaling 129.Dial scale on this meter is oriented so that the critical range to be read appears left to right.Readability 123.Where positive and negative values are displayed around a zero position, the zero is at 12 o'lock.6.5.2A b.(2)VD-66 124.This meter has a moving pointer against a fixed scale and is used for qualitative check readings.If pointer movement is more than 360o, the zero point is at 12 o'lock position.VD-1 6.5.2A b.(i)126.ty Where the scale covers less than a full rotation of the pointer, scale end-points are indicated by a break in scale of at least one numbered interval and should be oriented 6.5.2A c.(1->)VD-66 HUMAN EMGIMEERIMG CHECK1IST CONVENTIONS +Criteria are different. EVALUATlON GUIOELlIE REF.EVALUATION GUIDELlNE REF.AUDITORY CODING Coding/Identification SIZE CODING Size, Shape, Design 2.I/E 5.Q 6.e 7.Q Auditory coding methods are distinct and unambiguous, without conflict.Auditory pulse codes are limited to 2 or 3, ensuring proper discrimination. Center frequencies are between 500 and 1000 Hz for signals using frequency modulation for coding.No more than 5 separate fre-quencies are used within the limited range of 200-5000 Hz for discrete coding.6.2.2.3 80 AD-1 6.2.2.3 b.AD-19 6.2.2.3 Co AD-14 6.2.2.3 d0 AD-15 Auditory coding techniques are used when the work station associated with the alarm is not in the primary operating area.Coded signals from a single audio source is not used to identify individual work stations within the primary operating area.6.3.2.2 a.(1)6.3.2.2 a.(2)Coding by intensity is avoided.6.2.2.3 e.9.No more than 3 different sizes of controls are used for discrimination by absolute size.10.ti Controls used for performing the same function on different items of equipment are the same size.12.$jf When knob diameter is used as a coding param'eter, dif-ferences between diameters are at least 0.5 inch.When knob thickness is a coding parameter, thickness differences are at least 0.4 inch.14.Control shapes are tactually m identifiable. SHAPE CODING Coding/Identification 13.Control shapes are visually identifiable. 6.4.2.2 c.(1)CON-1 6.4.2.2 c.(2)CON-1 6 4.2.2 c.(3)CON-1 6.4.2.2 c.(4)CON-1 6.4.2.2 d.(1)CON-1 6.4.2.2 d.(2)CON-I 8.Coding is used to indicate alarm priority.6.3.2.2 b.15.I Rotating knob controls for dif-ferent types of control actions are distinguishable by sight and touch and cannot be con-fused with each other.6.4.2.2 e.CON-1 HUMAhl ENGINEERING CHECKllST CONVENTIONS EVALUATlQI GUIDELINE REF.EVALUAT10I GUIDELlIE REF.16.Shape-coded rotary controls are visually identifiable. 17.Shape-coded rotary controls Q are tactually identifiable. Size, Shape, Design 18.Annunciator. response controls, especially the silence control, use shape coding.6 4.4.1 c.(1)CON-2 6.4.4.1 c.(2)CON-2 6.3.4.2 b.(4)COLOR CODING Coding/Identificstion 23.Color coding provides redun-I dant information. 24.The-number of colors for coding is kept to a minimum, not exceeding 11.6.5.1.6 a4 CON-1 6.5.1.6 b.(1)a (2)CON-1 VD-108 CON-2 e19.If rotary controls used for widely different functions are placed on the same panel, shape coding is employed.6 4.4.1 b.CON-2 25.Color meanings are narrowly Q defined.6.5.1.6 c.(1)VD-107 CONTROL CODING Coding/Identification 20.The coding system for controls I is uniform throughout the con-trol room.6.4.2.2 aO CON-1 26.Red, green, and amber are I used in accordance to guide-line.27.Color meanings are consistent across all applications including panel surfaces, pro-jected signal lights, and CRTs.6.5.1.6 c.(2)VD-107 6.5.1.6 d.(1)a (2)VD-107 22.Annunciator response controls are coded using techniques such as color coding, demar-cation, shape coding or group shading.1.Color coding follows the recommendations of Guideline 6.5.1.6.6.4.2.2 f.(1)6.3.4.2 b.(i)a (2)28.(R Color meanings remain the same within and among sys-tems to which they are applied.The color of indicator lights conforms to convention. 29.Color coding of meter zone markings conform to Guideline 6.5.1.6.c. 6.5.1.6 d.(i)6.5.2.3 VD-75 6.5.3.2 a.(2)VD-10 ON-SITE EVALUATXON 9 OPERATOR ASSISTED EVALUATION HUMAN ENGINEERING CHECKlIST EVAl.UATlON GUIOEl.lNE EVALUATlOM GUlDEi.lIE 31.The color of indicator lights is clearly identifiable. 32-The color of lit legend back-ground conforms to coior con-ventions.33'.Color coding of label print conforms to color conventions. 34.The color coding scheme applied to specific functions or conditions is consistent throughout the control room.35.Color coding is consistent with I conventions. 36.No more than one color is I assigned for the same meaning or purpose.37.Red is used for unsafe con-I ditions, danger, immediate operator required, or critical parameter value out of balance.r8-Green is used for safe con-I ditions, no operator action required, or parameter is within balance.6.5.3.2 a.(3)VD-108 6.5.3.3 dO VD-110 6.6.4.1 b.(2)6.6.6.3 6.7.2.7 k.(i)6.7.2.7 k.(2)6.7.2.7 l.(1)a 6.5.1.6 c.(2)VD-10I 6.7.2.7 l.(2)~6.5.1.6 c.(2)VD-10 Visibility 40.Color shading enhances recognitian of cantrols, dis-plays or func tional groups, providing adequate contrast, and is consistent with other color coding throughout the control room.41.Distinctive enhancement tech-niques are used for emergency controls.44.Each trend recorder pen uses a distinctly different color for channel identification pro-viding good contrast with paper.45.Where possible, the red/green I combination is not used in CRT displays.42.Colors which do not have the immediate sa fety implications are used to ensure that each color is recognized as different from any other.43.Colors used for coding provide goad contrast with back-ground.6.8.1.3 co CDI-13 6.8.1.3 d., 6.5.1.6 e.(1)6.5.1.6 e.(2)VD-1.08 6.5 4.2 a'.(2)'.7.2.7 m.(1)39.Q Yellow/amber is used for hazard, potentially unsafe, caution, attention required, or marginal parameter exists.6.7.2;7 l.(3)i 6.5.1.6 c.(2)VD-10 46.Red symbols/characters on a N green CRT background are not used.6.7.2.7 m.(2) HUMAN ENGINEERIMG CHECKUST 48 CONVENTIONS EVALUATION GUIDELINE REF.EVALUATIOIII GUIDELINE REF.USE OF SYMBOLS Coding/Identification 47.Legend light symbols are clear and unambiguous in meaning.Abstract symbols are used only if they have a commonly accepted meaning for all intended users.6.5.3.3 b.{3)6.6.3.4 aO PA-56 CONFUSION Arrangement 55.Strings of small displays do not exceed 20 inches on the control board.56.No more than 5 similar com-ponents are laid out in an unbroken row or column.6.8.3.2 b.6.8.3.2 c.(1)49.51.52.Q Symbols are distinguishable from each other.A commonly accepted standard configuration is used for symbols.Symbols are consistently used within and across panels.Graphic symbols such as those in mimics are readily under-stood and commonly used.6.6.3.4 b.6.6.3.4 Co 6.6.3 4 d.6.6.6 4 c.(i)PA-65 57.If more than 5 similar com-ponents must be together., the string or cluster is broken'up by techniques such as physical spacing or demarcation. 58.Mirror-imaging is avoided.Coding/Identification 59.The group of annunciator con-trols are demarcated. 6.8.3.2 c.(2)6.8.3.3 CDI-16 6.3 4.2 b.(3)STANDARD ABBREVIATIONS AND ACRONYMS 54.A list of standard names, acronyms, abbreviations, and part/system numbers is consis-tently used and is adminis-tratively controlled. 53.Symbols are used consistently. 6.6.6.4 c.(2)6.6.3.3 a.h b.PA-46 and 6.5.3.3 b.(6)PA-46 60.I 61.62.Legend pushbuttons are readily distinguishable from legend lights and is achieved by distinctive shape, labeling, location, or other techniques. Large matrices of similar components have the coordi-nate axes labeled for identifi-cation of any single com-ponent within the grid.P Large matrices are subdivided by appropriate demarcation. 6 4.3.3 aO 6.8.3.2 d.(i)6.8.3.2 d.(2)ON-SITE EVALUATION OPERATOR ASS1STED EVALUATION HUMAN EMGlhlEERIIG CHECKl.lST 49 EVALUATION GUIDELINE REF.EVALUATION GUIDELINE REF.t Size, Shape, Design D.Legend indicators are dis-Q tinguishable from legend push-buttons by form, size,.or other factors.MIMICS Coding/Identification 64.Mimic flow paths are color coded in conformance with the selected color scheme.65.Mimic colors are discriminably different from each other.6.5.3.3 Co 6.6.6.4 a.(i)6.6.6.4 a (2)Visibility 72.8 At or below eye level, labels are placed above mimic areas (including branches and com-ponents)they describe.(If panel is above eye level, labels may be below.)Readability 73.Flow direction for this mimic is always on the horizontal or vertical axis.71.Total mimic can be seen at operational distances without head movement.VD-14 PA-45 PA-65 66.Mimic lines depicting flow of the same conte'nts are colored the same throughout the con-trol room.6.6.6 4 a.(4)PA-64 LEGEND LIGHTS Size, Shape, Design 67.No more than 7 colors are used for mimic lines.PA-64 74.Legend design is consistent thr oughout the control room.6.5.3.3 b.(i)tss.Summary lines are separate systems mimic on labels/demarcation used to identify and systems and sub-surrounding this panel.PA-64 IMPACT RECORDERS Coding/Identification 69.Primary mimic lines are obviously larger than secondary lines.PA-64 75.Abbreviations are consistent with plant conventions. 6.5.1 4 d.PA-46 Size, Shape, Design 0.Differential line widths will be used to code flow paths for mimics.6.6.6.4 b.(i) HUMAN ENGINEERING CHECKLIST 50 BfA1UATlON GtjlOBjME EVAt.UATlON GUlDB)NE REF.Coding/Identification 76.Abbreviations are consistent with plant conventions. 6.5.1.4 d..PA-46 tvtETERS Coding/Identification 77-Abbreviations are consistent $P with plant conventions. 6.5.1.4 d.PA-46 ON-SITE EVALUATION Is OPERATOR ASSISTED EVALUATION HUMAN ENGINEER)No CHECKllST 51, PROCESS COMPUTER+Criteria are different. EVAt.lJATlOI GUIDEUIE REF.EVAI.UATlOI GUlDEl.lNE REF.20 CRTs far displaying simple alphanumeric text have a minimum of 20 resolution e elements per inch.Symbols and graphic detail have a minimum of 100 resolu-tion elements per inch.4.Complex symbols have a mini-mum of 10 resolution elements for the longest dimension of the symbol when used with other complex shapes.5;Alphanumeric characters have a minimum of 10 r esolution elements per character height.6.If a camera generated display is used, at least 10 shades of gray are used in CRT displays.7.Symbol size is at least 20 minutes of arc at normal viewing distance.8.Contrast between symbols and background is between 88%and 94%.t CRT DISPLAYS L Cumulative effects of all geo-metric distortion does not dis-place any point within the viewable area'f the screen from its correct position by more than 5%of picture height.6.7.2.1 e+VD-50 6.7.2.1 f.0)" VD-49 6.7.2.1 f.(2)VD-49 6.7.2.1 f.(>)6.7.2.1 f.(4)VD-49 VD-47 VD-45 VD-47 9.10.12.14.15.16.17.Signal-to-noise ratio is at least 10:l.Displays having high regenera-tion rates and slow image movements use phosphers with short persistence (decay rates less than 1 millisecond). Displays with moderate image movements use medium per-sistence phosphers (decay rates<0:1 second).Where characters subtend visual angle of less than 16, the character separation is about 25%the symbol height.The regeneration rate for particular CRT display is above critical frequency of fusion.Brightness, contrast and color of CRT are adjustable by con-trol room operator.Adjustment controls on CRT conform to Section 6 4 (Controls) and Section 6.9 (Control/Display Integration). Alphanumeric character s are composed of uppercase letters with a resolution of no less than 10 lines per symbol height.Contrast between symbols and background is between 88%and 94%.VD-48 VD-48 VD-48 VD-46 6.7.2.1 ge VD-49 6.7.2.1 h.(i)6.7.2.1 h,(2)VD-45 VD-47 HUMAIN ENGINEERING CHECKI.IST PROCESS COMP UTER EYALUATION GUlofhINE FVALUATlON GUIDELINE REF.19.Red symbols on a green back-ground are avoided.20.Where illumination is low (1.0 fL), character separation is 25%of the symbol height.21.Rectangular or polar-coordinate displays use alpha-numeric, geometric, or color coding rather than coding by.line lengths, angular orienta-tion, inclination, or visual number (dots).22.The use of brightness coding is avoided.23.One or more of the following is used to eliminate reflected glare from CRT: Proper placement of CRT in relation to lighting Filters (directional or spectrum)A hood or shield Coatings or filters over llgh tinge KEYBOARDS 24.Each control is recognizable in terms of its function.25.Control movements conform to population stereotypes. 18.Light source is located at t least 60o on either side of viewer's central field of view.VD-45 VD-48 VD-46 VD-45 VD-47 CRE-3 6.4.1.1 c.(1)6 4.2.1 CON-1 26.All discrete functional control positions are identified. 27.All annunciator alarms are recorded.28.Alarm messages are recorded in the sequence of their occur-rence.29.Provisions are included to pro-vide, upon oper ator request, printouts by alarm group (e.g.,~system, subsystem, com-ponent).30.Alarm messages should be readily distinguishable from other messages.31.Alarm messages provide rapid identification of the nature of the alarm.32.Wording in alarm messages: o Clearly relate to the specific annunciator tile that is illuminated. o Contain at least that infor-mation (i.e., wording)pre-sented in the illuminated annunciator tile.o Provide additional specific data.33.The"QWERTY" arrangement is used on keyboards that com-bine alphabetic and numeric functions. 6.6.3.8 aO PA-28 PA-49 6.7.3.2 a.(2)6.7,3.2 b.6.7;3.2 Co 6.7.3.2 d.6.7.3.2 e.6.7.3.2 f.(1)6.7.3.2 f.(2)6.7.3.2 f.(3)6.7.1.4 aO CON-7 HUMAN ENGINEERING CHECKI.IST 53 PROCESS COMPUTER EVALUATION GUIDELINE REF.EVALUATION GUIDBINE 34.Qn keyboards used to enter solely numeric data, a 3x3+1 matrix is used in either"calculator" or"telephone". style.6.7.1 4 b.>>CON-79 43.This keyboard uses no more than 3 different sizes in coding cantrols for discrimi-nation by absolute size.CON-17 35.When more than ane keyboard exists in the control room, alphanumeric and/or numeric-only key configuration are the same in all cases.6.7.1.4 Co CON-7 PRINTERS 44.Printers are located in the pri-mary operating area.6.7.3.1 a.Q)36.e 37.38.39.41.To minimize effectiveness of keyboards, key dimensions and separation are as shown in Exhibit 6.7-3.Key displacement is as shown in Exhibit 6.7-3.Key resistance is as shown in Exhibit 6.7.There is a definite indication of key activation provided to operator (e.g., snap, audible click, release of resistance). The slope of CRT keyboard is between 15o and 25 fram the horizontal. Data being entered via key-boards are displayed as they are keyed.CRT keyboards contain only.keys that are relevant to com-puter operation. 6.7.1.4 d.CON-7 6.7.1.4 e.(1)CON-7 6.7.1.4 e.(2)CON-7 6.7.1.4 f.CON-5 6.7.1.4 go CON-7 6.7.1 4 h.6.7.1 4 lo 45..Printers record alarm data, trend data, and plant status data.46.Printer supplies a hard copy of any single page on the CRT at the request of the operator.47.If copy is printed remote to the operator, a print confir-mation or denial message is displayed. 48.Printer operation does not alter screen content.49.Printed information is in a directly usabie form.50.Printer capacity is 300 lines per minute or more.51.Hand-finished matte paper is used on the printer to prevent smudges and glare.52.A positive indication of remaining supply of recording materials is provided.6.7.3.1 a.(2)6.7.3.1 b.(1)OCI-25 6.7.3.1 b.(2)OCI-25 6.7.3.1 b.(3)OCI-25 6.7.3.1 Co VD-78 6.7.3.1 d.6.7.3.1 e.(1)6.7.3.1 e.(2)VD-79 AM CTm&'P315T.IT5.%TPA7 0 nnaaamaa zecTcmwn m HUMAN EMGlNEKRIMG CHECKl.lST 54 PROCESS COMPUTER EVALUATION GUIDELINE REF.EVALUATION GUIDELINE REF.54.55.56..58.Instructions for reloading paper, ribbon, ink, etc., are attached to printer.I A printer is provided for recording alarm messages.When printer is down, data and information which would nor-mally be printed is not lost.A take-up device for printed materials is provided.Operator can read the, most recently printed line.Printed material has adequate contrast ratio.6.7.3.1 e.(3)6.7.3.2 a.(i)6.7.3.1 e.(4)6.7.3.1 e.(5)VD-78 6.7.3.1 f.(i)VD-80 6.7.3.1 f.(2)VD-80 63.64.65.66.67.Graphs are constructed so that numbered grids are bolder than unnumbered grids.'f 10-grid intervals are used, the fifth intermediate grid is less bold than the numbered grid, but bolder than the unnumbered gr>d.Tables are simple, concise and readable.When table columns are long, numbers are separated into'roups by providing a space between groups of five.When columns are not sepa-rated by vertical lines, the columns are separated by at least 2 character widths.6.7.3.3 c.(1)6.7.3.3 c.(2)6.7.3.3 d.(1)6.7.3.3 d.(2)6.7;3.3 d.o)59.Print copy can be annotated while in machine.6.7.3.1 f.o)VD-79 COMPUTER FUNCTION CONTROLS 61.62.Recorded matter is not obscured, marked, or other-wise hidden to prevent reading of printed material.A graph is used if the shape of the function is important in decisionmaking. If interpolation is necessary, line graphs are preferred to bar graphs and tables.6.7.3.1 f.(4)VD-80 6.7.3.3 aO 6.7.3.3 b.68.69.70.Design of function controls on the computer conform to appr opriate guidelines. Terms, nomenclature, and abbreviations used on function controls are consistent with those of selected computer function that is displayed. A positive indication is pro-vided at the CRT master con-trol to identify displays under local or master control.6.7.1.5 ao ALL C N 6.7.1.5 b.OCI-12 6.7.1.5 c.Q) HUMAN ENGINEERIMG CHECKLIST SS PROCESS COM UTER EYN.uAVIDa GUIDEI.IME REF.EYAI.UATIDN GUIOEI.INE REF.71.72.A positive identification is provided at the individual CRT to indicate if it is under local or master control.Dedicated keys that initiate/activate functions are grouped together.6.7.1.5 c.(2)6.7.1.5 d.(1)CON-9 79.The accuracy of control method or device is commen-surate with the functians to be served.80.Control design allows the operator freedom of move-ment to perform other duties.6.7.1.6 co 6.7.1.6 d.73., Function controls are easily distinguishable from other types of console keys.6.7.1.5 , d (2)COMPUTER-OPERATOR RELATIONSHIP 75.76.Function controls are clearly labeled to indicate function.Design and layout of function controls are consistent for all consoles in control room.Function keys are physically separated from alphanumeric keys on the console.6.7.1.5 d.(~)CON-1 6.7.1.5 d(4)CON-7 6.7.1.5 d.(5)81.82.Correct response is provided within response times listed in Exhibit 6.7-6 for each type of query.l When response time exceeds 3 seconds, a delay message is presented in order to maintain the operator's attention and to confirm normal computer operation. 6.7.1.7 aO 6.7.1.7 b.OTHER CONTROLS 83.Procedures are in hard copy form at a minimum.6.7.1.8 a.(3)7.Control devices (such as light~~pens, selector pens, RAND.tablets, etc.)are operable from most favorable position for computer interaction. 78.Control devices provide rapid positioning of cursors or selection of choices.6.7.1.6 aO 6.7.1.6 b.84.A complete set of operatians and contingency procedures is available in control room.85.Procedures are prepared from control room operator's point of view.86.Viewing distance on CRT is greater than 18 inches 6.7.1.8 a.(i)6.7.1.8 a.(2)6.7.2D aO VD-46 0 HUMAN EIGIIEERlmo CHECKLlST 56 PROCESS COMPUTER FVALUATIOIII GUIDELINE REF.EVALUATION GUIDEI.IIIIE Mode designation and the file(s)being'rocessed are dis-played by the computer sys-tem.88.Viewing angle is at least 30o for standing observer, or 45o for seated observer.0.Visual axis of operator is per-pendicular to center of CRT screen.91.A-12-inch diagonal screen size at 28-inch viewing distance is used for by single seated operated.COMPUTER-OPERATOR DIALQGLE 92.Dialogue is based on operator's point of view, not pro-grammers.93.Computer dialogue is logical.94, Computer dialogue is used in a consistent manner.Computer dialogue reflects the vocabulary and syntax of expected user population-89.Maximum viewing distance for single seated operator is 28 inches for 12 inch diagonal screen.6.7.1.3 CQ.QCI-24 VD-46 VD-46 VD-45 VD-46 6.7.1.2 a.(i)QCI-25 6.7.1.2 a.(2)OCI-21 6.7.1.2 a.(3)OCI-21 6.7.1.2 a.(4)OCI-21 96.97.98.99.100.101.102.103.104.Input words (keywords) approximate real words.Computer dialogue requires an explicit command to termi-nate an interaction. Computer input words do not exceed 7 characters. Abbreviations are used as computer input words when possible;The same synonym or abbre-viation for a system command name is used for messages, prompts, etc., to operator.Use of abbreviations or con-tractions for output data is avoided.Operator inputs, responses, or actions which could signifi-cantly degrade computer sys-tem or plant performance are not dependent on a single key-stroke.Prompting and structuring features allow operator to request additional infor-mation.Prompting and structuring features are available upon request when an error is detected.6.7.1.2 a.(5)OCI-22 6.7.1.2 a(6)+OCI-24 6.7.1.2 b+OCI-22 6.7.1.2 c.(1)OCI-22 6.7.1.2 c-(2)OCI-22 6.7.1.2 c.(>)QCI-22 6.7.1.2 d0 OCI-22 6.7.1.3 aO QCI-24 6.7.1.3 b.QCI-24 HUMAN ENGINEERING CHECKLIST 57 PROCESS COMPUTER EVALUATION GUIDELINE. REF.EVALUATION GUIDELINE REF.106.107., 109.Corrections of individual errors are made without requiring re-entry of correct data.The computer system contains a sequential file of operator entries, available upon operator request.When many subsystems require monitoring, information is filtered by software or machine function.Operator is provided instructions for correcting computer diagnosed errors.System recognizes and reports detectable er rors.6.7.1.3 d..OCI-24 6.7.1.2 e.QCI-24 VD-9 QCI-19 OCI-19 ACCESS AIDS 114.Oper ating describe: procedures 0 The overall cotnputer system, The computer system components with which the operator can inter face, The specific procedures necessary to accomplish all operator-computer interface functions. 113.Before the operator requests that result in permanent changes are pr ocessed, the computer system r equires operator acknowledgement. 6.7.1.1 d.OCI-24 25 6.7.1.8 a.(4)(a,b,c)COMPUTER ACCESS 110.Only properly authorized per-sonnel are allowed to make changes by entry, deletion of alteration of data.6.7.1.1 aO 115.Contingency procedures describe indications which identify failure or mal-functioning of computer system and necessary actions to be performed by the oper ator in case of mal-functionn. 6.7.1.8 a.(5)(a,b)112.At least one copy of current operating software is securely and remotely stored.When characters, words, or phrases are to be inserted, such items are first collected and displayed on a buffer area of screen, and then inserted by one operator command.6.7.1.1 b.6.7.1.1 co QCI-26 116.Specific codes or addresses that the operator may request are cross-indexed by alpha-numeric or numeric code pro-gram name, system/subsystem identification, and functional group identification. 117.Cross-indices of data displays are available in at least hard-copy form in control room.6.7.1.8 b.(i)(a,b,c, ad)6.7.1.8 b.(Z) HUMAN EMGlIIIEER1NG CHECKLlST 58 PROCESS COMPUTER EVALUATION GUIDELINE REF.EVALUATION GUIDELINE REF.SSAGES.8.119.120., Messages on CRT are concise.Messages provide necessary information to complete a specific action or decision sequence.Messages are necessary, com-plete, and readily usable.Prompts are displayed when-ever operator may need direction or guidance to initiate or complete an action to sequence of actions.6.7.2.6 a.(i)'CI-14 6.7.2.6 a.(2)OCI-14 6.7.2.6 b.0CI-14 6.7.2.6 Co 127.128.129.130.131.Feedback is provided to indi-cate changes in status of system functioning. When an option is selected as input to system, the subject item is highlighted. When system response is delayed, periodic feedback is provided to indicate normal operation and reason for delay.Results and requirements for subsequent actions are pro-vided after a process or sequence is completed. Feedback describes type and location of error.6.7.2.6 i~OCI-10 6.7.2.6 jo OCI-10 6.7.2.6 k.OCI-10 6.7.2.6 I.OCI-10 OCI-19 122.124.125.26.Prompts contain clear and specific cues and instructions which are relevant to action to be taken.Directions are placed in the sequence to be used by operator.Whenever operator error or invalid input is detected, an error message is displayed. Error messages contain instructions for corrective action.Capability is provided for operator to correct errors without affecting adjacent valid entries.6.7.2.6 d0 6.7.2.6 6.7.2.6 f.OCI-19 6.7.2.6 go 6.7.2.6 h.OCI-19 132.133.134.135.136.Displays of complex con-figurations avoid use of unnecessary detail.Information critical to safety or effectiveness has a high priority in the operator's cen-tral field of view and is com-posed of stimuli demanding high attention. Feedback is provided that light pen has actuated.Feedback concerning light pen placement is available. Feedback is provided indi-cating that light pen input has been received by system.VD-6 VD-10 OCI-28 OCI-28 OCI-28 HUINAN ENGINEERlho CHECKLIST 59 PROCESS COMPUTER EVALUATION GUIOEUNE REF.EVALUATION GUIDELINE REF.e'38.139.Message occurring in multiple frames occupies constant physical location on screen.Formats minimize.cursor positioning movement.Each data group or message contains descriptive title, phrase, word, or other device to indicate its content.OCI-17 OCI-5 0CI-12 OCI-17 146.Where multi-input annunciators are used, an alarm printout capability is provided.LABELING 147.Visual angles of complex sym-bols on CRT subtend not less than 20 minutes of arc at the required viewing distance.6.3.1.2 c.(2)6;7.2.2 aO VD-51 140.Data, text, formats, etc., essential to system perform-ance are under system control.<41.Information required for next'perator entry is presented at the end of the message.142.Critical information is pre-sented at the beginning of a message.143.p.Messages requiring operators to reference external data sources are avoided.Counting tasks start with the number"one," while measuring tasks start with"zero." 145.For messages containing variable option lists and occurring in multiple frames, physical relationships among common elements are main-tained.OCI-14 OCI-14 0CI-14 OCI-1 OCI-17 148.The height of alphanumeric characters have a visual angle of not less than 12 minutes of arc at the required viewing distance.149.Alpha-numeric characters are upper-case letters.150.The width-to-height ratio for alphanumerics is between 3:5 and 1:1.151.Stroke-width-to-character-heig ratio is between 1:5 and 1:10.152.Graphic lines contain a mini-mum of 50 resolutions per inch.153.Horizontal separation between characters or symbols is between 10%and 65%of char-acter or symbol height.6.7.2.2 b.(i)VD-45 6.7.2.2 b.(2)VD-45 6.7.2.2 co VD-45 6.7.2.2 t d.VD-45 6.7.2.2 e.VD-50 OCI-7 6.7.2.2 f.(1) 00 HUMAN ENGlNEERlNG CHECKLlST 60 PROCESS COMPUTER EVALUAT10N GUlDELINE REF.EVALUATlON GUIDELINE REl'.154.The height~idth ratio for I t~~~~alphanumerics is between 7:5 and 3:2.155;Stroke width:height ratio of characters is in the range of 1:6 to 1:10.156.Character separation is between 25%and 63%of char-acter height.157.Two individual light pennable characters are separated by at e least one symbol area.~58.If label presents list of operator options, the decision or action required of operator is also indicated. 159.Separation is at least 25%of'haractet'r symbol height: o When character or symbol width is less than 85%of height, o When character or symbol luminance is less than 12 ft.-L, o When luminance contrast is less that 88%, VD-45 VD-45 VD-46 VD-45 OCI-13 6.7.2.2 f.(2)(a)>>iVD-46 6.7.2.2 f.(2)(b)>>6.7.2.2 f.(2)(c)>>160.161.162.163.164.165.o When visual'ngle sub-tended by symbol height is less than 15 minutes, o When visual angle sub-tended by character height is less than 12 minutes of arc.Simple character fonts are used without serifs, variable stroke width, slanting, etc.When dot-matrix characters are used, 7x9 dot matrix is used in preference to 5x7 dot-matrix.Character styles such as Lincoln/Mitre or Leroy are used.Labels reflect unique chat-acteristic of content of data group or message.I Labels are located in con-sistent manner eithet'bove or to the right or left of data group or messages the describe.Labels are oriented hori-zontally.6.7.2.2 f.(2)(e)>>6.7.2.2 f.(2)(f)>>6.7.2.2 g(1)6.7.2.2 g(2)6.7.2.2 g(~)6.7.2.4 m.(2)OCI-12 6.7.2 4 n.OCI-12 6.7.2.4 oo OCI-12 o When CRT screen location is greatet than 25%to the left or right of operator's straight-ahead line-of-sigh tg 6.7.2.2 f.(2)(d)>>166.Labels are highlighted to facilitate operator scanning recognition. 6.7.2.4 p.(l)0CI-12 HUMAN ENGINEERING CHECKLIST 61 PROCESS COMP, UTER EVALUATION GUIDELINE EVALUATION GUIDELINE'EF.e" The technique used to high-light labels is distinguishable from one used to highlight emergency/critical messages.168.Option labels reflect questions or choices posed to operator.6.7.2.4 p.(2)QCI-12 6.7.2.4 qo OCI-13 176.The manner of presentation of identical data is based on uses to which the data will be put by the operator.175.Elements in data field are dis-played in logical order.6.7.2.4 d.OCI-1 6.7.2 4 e.(1)QCI-1 DATA PRESENTATION AND SCREEN LAYOUT Data are presented to operator in readily usable format.6.7.2 4 a(1)QCI-1 177.178.Identical data in different pre-sentations is displayed in con-sistent, standardized manner.Numbers are used as menu designators. 6.7.2.4 e.(2)QCI-1 6.7.2.4 f.(1)QCI-2 170.171.173.174.Data do not have to be transposed, computed, inter-polated or mentally translated to be usable to the operator.Illustrations are used to sup-plement or explain text wherever possible.When five or more digits and/or non-text alphanumerics are displayed and no natural organization exists, characters are grouped in blocks of 3-4.Groups of data are.separated by a minimum of one blank space.Where multi-input annun-ciators must be used, an alarm printout capability is provided.6.7.2 4 a.(2)OCI-1 6.7.2.4 b.OCI-1 6.7.2.4 c.(1)OCI-1 6.7.2.4 c.(2)OCI-1 6.3.1.2 c.(2)'79.180.181.182.183.184.Numerical designators start with the number"1", not zero.If number s as designators is confusing, alphabetic char-acters are used.When used, alphabetic desig-nators start with the letter I I A I I Lists are vertically aligned and left-justified. Indentations are used.for sub-classifications on lists.Quantitative 'ata (to be scanned)is in tabular or graphic form.6.7.2.4 f.(2)OCI-2 6.7.2.4 f.(3)6.7.2.4 f.(4)6.7.2.4 g.(1)QCI-2 6.7.2.4 g.(2)QCI-2 6.7.2 4 h.QCI-2 HUMAN ENGlNEERlMG CHECKS.lST 62 PROCESS COMPUTER EVALUATION GUIDELINE REF.EVALUATION GUIDELINE e'86.187.189.190.191.The use of hyphenation is minimized. When presented in.tabular form, alphanumeric data is left-justified. When presented in tabular form, numeric data is right-justified with decimal points aligned.Periods are placed after item selection designators and at the end of a sentence.Telephone numbers are pre-sented in following format: (914)555-1212.Time is presented in the following format: HH:MM:SS, HH:MM.MM:SS(.S)The date is presented in the following format: MM:DD: YY.Each individual data group or message has a descriptive title.6.7.2.4 le OCI-2 6,7.2.4 j.(1)OCI-2 6.7.2.4 j.(2)OCI-2 6.7.2 4 k.OCI-2 6.7.2.4 1.(1)OCI-2 6.7.2 4 i.(2)OCI-2 6.7.2.4 i.(~)OCI-2 6.7.2.4 m.(1)OCI-2 195.Physical location of data groups (alarms, menus)are consistent on screen.196.Organization and separation of data subgroups are apparent to operator through the use of blank lines, etc.197.Lists of options are organized by probability of selection, with high probability items presented first.198.Non-option lists o'f equal-probability options are pre-sented in alphabetical or numerical order.199.Paragraphs are separated by at least one blank line.200.Selection designators in menus are separated from text descriptors by at least one blank space.201.When data are contained on multiple pages, each page displays both page number and total number of pages.6.7.2.4 b.OCI-4 6.7.2.5 Co OCI-4 6.7.2.5 d.OCI-5 6.7.2.5 e.OCI-5 6.7.2.5 f.OCI-5 6.7.2.5 ge OCI-5 6.7.2.5 h.OCI-5 193.194.Displayed data are organized logically and consistently. Displayed data reflect an obvious and inherent quality of the data groups (hierarchical, sequential, or mimic).6.7.2.5 a.(i)OCI-4 6.7.2.5 a.(2)OCI-4 202.Items of a numbered list"continue" on following pages relative to the first number on the first page of the list.6.7.2.5 i~ 63 PROCESS COMPUTER EVALUATION GUIDELINE REF.EVALUATION GUIDELINE REF.20'.When directions to the operator accompany an options list, the directions precede the list.Urgent messages are high-lighted on the CRT screen.6.7.2.5'je OCI-5 6.7.2.5 k.(1)QCI-7 211.Alphanumeric characters (if used)are grouped into words, sentences, or text in a meaning ful way.GRAPHIC CODING AND HIGHLIGHTING VD-38 205.Urgent messages are displayed in the same location on the CRT screen.6.7.2.5 k.(2)212.Highlighting of important messages is used on CRT.6.7.2.7 aO QCI-7 e'07.In systems in which.selection is made by use of a cursor formats are organized to mini-mize positioning movements of the cursor.The amount of informatian-bearing activated screen area does not exceed 2596 of the total screen area.This does not include demarcation lines used to separate groups of data.6.7.2.5 l.6.7.2.5 m~213.Highlight coding methods are consistent. 214.Highlighting methods for emergency conditions are not used in association with normal conditions. 215.If contrast enhancement is used for highlighting, no more than three brightness levels are used in a single presenta-tion.(Two is preferred.) 6.7.2.7 b.(1)6.7.2.7 b.(2)6.7.2.7 Co 208.CRT displayed trend plot e scales are consistent with the intended functional use of the data.209.CRT screen lines are com-posed of at least 20 points per cm (50 points per inch).210.Data, text, formats, etc., essential to system perform-ance are under system control.e 6.7.2.5 n.VD-50 0CI-17 216.Blinking for purposes of high-lighting is not used except for emergency conditions. 217.If blinking is used for high-lighting, na more than two blink rates are used.218.For single b link rate, 2-3 blinks per second with a mini-mum of 50 msec"on" time between blinks is used.6.7.2.7 d OCI-7 6.7.2.7 e.(1)6.7.2.7 e.(2}OCI-7 HUMAN ENGfNEER)NG CHECKl.lsT 64 PROCESS COMPUTER FVAI.UATION GUIDEt.INF REF.EVALUATION GUIQEUNF REF.219.If two blank rates are used for e highlighting, the rates are about 4 per second and 1 per second.220.If 2 blink rates are used, the on-off ratio is about 50%.6.7.2.7 e.(3)6.7.2.7 e.(4)228.229.The number of coding symbols under optimum conditions does not exceed 20.The number of coding symbols under adverse display con-ditions is six.6.7.2.7 j.(2)6.7.2.7 j.(3)221.If 2 blink rates are used, the higher rate is used for'he most critical information. 222.Where blinking is used for~~~highlighting, the blinking rate is between 2-3 Hz with a mini-mum flash duration of 50 msec.6.7.2.7 e.(5)OCI-7 230.Other techniques (i.e., color, filled versus unfilled)to dis-play different states or quali-ties of a basic symbol are used if needed.Mll TI-PAGE CONSIDERATIONS 6.7.2.7 j.(4)223.225.226.If inverse video or image reversal is used for high-lighting, it is used to highlight in dense data field, such as a word or phrase in a paragraph of text or a set of characters in a table of data.If graphic coding is used, it is used to present standard quali-tative information or to draw attention to a portion of the display.Graphic codes are consistently used.If symbols are used for coding, they vary widely in shape.The number of symbols used for coding is kept small.6.7.2.7 f.6.7.2.7 go 6.7.2.7 h.6.7.2.7 la 6.7.2.7 j.(1)231.232.233.234.235.236.Page design and content mini-mize operator memory requirements. All data relevant to a specific entry is displayed on a single page.When pages are organized in hierarchical fashion, a visual audit trail of choices is pro-vided upon operator request.Location references within a scrolling frame are provided in viewable portion of frame.Sectional coordinates are used for panning large schematics. Means are provided for operator to control the amount, format, and com-plexity of information being displayed. 6.7.2.8 a.(1)6.7.2.8 a'.(2)6.7.2.8 b., 6.7.2.8 c.(1)0CI-16 6.7.2.8 c.(2)6.7.2.8 d.OCI-16 0 0 HUMAN ENGINEERING CHECKLIST 65 PROCESS COMPUTER EVALUATION GUIDELIaIE REF.EVALUATION GUIDELINE e If message is a variable option list, common elements main-tain their physical relationship to other recurring elements.6.7.2.8~e.OCI-17 238.Light pen cord is retractable or guarded to avoid catching on console shelf.VD-55 239.240.Cord connecting light pen to console is positioned to mini-mize interference with viewed screen data.Light pens are equipped with a push-tip switch requiring 2-5 oz.of force to active.VD-55 OCI-28 241.242.e Light pennable characters are not coded by blink rate.Light pens are approximately 0.5 in.in diameter and 6;0 in.in length.OCI-28 HUMAN EIGfhlEERlIG CHECKLlST 66 EMERGENCY GARMENTS EVAI.UATION GUIOEI.IIE REF.EVAt.UATIOM GUIDEUIIIE REF.1.Protective equipment includes protective clothing and breathing apparatus. 2.Protective.equipment will be compatible with body sizes and will allow adequate tactile sensitivity and ability to see, move, communicate, reach and hear.Protective equipment will be checked periodically to make sure it is in good condition.. 4.Protective equipment will be available in sufficient number and sizes to accommodate all operators. 5.Sizes will be marked clearly.6.An adequate supply of personal protection equipment expendables will be provided.6.1A.l aO~6.1.4.1 b.6.1.4.1 co 6.1A.1 d.6.1A.1 e.6.1.4.1 f.10.Personnel wearing protective equipment will be able to operate communications equipment. 11.Emergency face masks will be~equipped with diaphragms for transmit ting speech.12.Diaphragms are capable of separating voice from exhaust valve action.13.An electronic speech system will be.used if face mask is not equipped with diaphragms. 14.Controls will be easily identified while wearing emergency gear.15.Controls will be easy to activate while wearing pr otective equipment. 6.2.1.8 b.6.2.1.8 c.Q)COM-1 6.2.1.8 c.(2)COM-a 6.2.1.8 c.(3)6.4.1.1 d.(1)6.4.1.1 d.(2)CON-4 7.Protective equipment will be easily and readily accessible. 6.1A.l go 8.Operators will be well practiced in donning equipment. 6.1A.1 h.9.Instructions for donning, doffing,-and controlling protective equipment will be provided.6.1A.1 i~ HUMAN EIGIIEERIMG CHECKllsT 67+Criteria are different. ++0700 is more specific.+++1580 is more specific.EVALUATIOIII GUIDELiNE REl'.EVALUATION GUIDELINE REF.LABEL CONTENT 1.Labels describe Q functions and, clarity, characteristics nomenclature described. the equipment if needed for engineering or are also 2.Label wording expresses the exact intended action.6.6.3.1 a.h b.PA-56 6.6 3.2 aO PA-55 10.Labels are used to identify functionally grouped controls or displays.ll.This warning notice is clear, direct, and attention getting and of 25%larger letter size than any detailed instructions (e.g.,"Danger!Deadly Shack Hazard" rather'han"Warning-High Voltage").6.6.3.7 aO PA-32 PA-29 Instructions are clear and direct.6.6.3.2 b.h c.PA-55 12.This label uses no periods, PA-46 except to preclude misinter-pretation. Words that have a commonly accepted meaning for all intended users are used in labels.5.I Unusual technical terms are avoided.Use of Roman numerals is avoided.6.Words are spelled correctly. 6.6.3.2 d.PA-55 6.6.3.2 e.PA-55 6.6.3.2 f.6.6.3.4 e.13.Categories of information not needed in using a display are avoided.LABEL LOCATION 14.Labels are located above the functional groups and com-ponents and the panel ele-ments they identify.6.5.1 4 b.VD-7 PA-47 6.6.3.7 b.PA-45 and 6.6.2.1 a.Bc b.PA-45 PA-49 8.9.Words on labels are concise and convey the intended meaning.Words and abbreviations of similar appearance are avoided.6.6.3.5 PA-55 6.6.3.6 PA-56 15.Component labels located above eye level are positioned to ensure visibility. 16.Labels are placed close to the components they describe.6.6.2.1 Co PA-45 6.6.2.1 d.PA-46 HUMAN ENGINEERING CHECKllST 68 BfALUATION GUIDELINE REF.EVALUATION GUIDELINE RKI'.17.18.Labels are placed where they are not obscured for an extended time period during operation. Adjacent labels are separated by sufficient space so they are not read as one continuous label.6.6.2.1 e+PA-44 and 6.6.2.4 b.h c.PA-44 PA-45 PA-47 6.6.2.1 f.PA-46 26.Administrative procedures are I in place for the periodic cleaning of labels.27.Control position indicator s 8;will correspond with display labels.28.Printing is on the display face.GENERAL LABELINQ PRINCIPLES 6.6.2 4 d.6.9.1.2 c.(3)6.5.1.4 a.(1)Labels are mounted to pre-clude accidental removal.21.Labels are positioned hori-zontally.e This label is not a manu-facturers'abel placed directly on an instrument face.23.Vertical orientation of labels is used only when space is limited.24.Curved labels are avoided.20.Labels are mounted on a flat 8 surface.6.6.2.2 ao PA-44 6.6.2.2 b.PA-44 6.6.2.3 a.(1)PA-43 PA-47 6.6.2.3 a.(2)PA-43 6.6.2;3 b.PA-43 29.Controls, displays, and other equipment that will be located, identified, or manipu-lated are appropriately and cleariy labeled.30.Major labels are used to identify major systems on panel sections.31.Subordinate labels are used to identify subsystems or func-tional groups.32.Component labels are used to identify each component. 33.Labels do not repeat infor-mation contained in higher-level labels.6.6.1.1 PA-28 6.6.1.2 a.(1)PA-29 6.6.1.2 a.(2)PA-49 6.6.1.2 a.(3)PA-49 6.6.1.2 a.(4)e 25.Labels do not obscure figures or scales which must be read.6.6.2.4 aO PA-47 nW-eTV~~VhT,rchVTne 9 ADVD h%AQ h 4 4 T O'%PA'7,'Vh T,'f77PTCW HUMAN EmotIEERlmo CHECKLIST 69 EVALUATlON GUlOEt.lNE REF.EVAl.UATlOI GUIOEl.NE 34.Labels will be graduated in letter size as follows: a Major labels are 25%larger than subsystem/functional group labels.o Subsystem/functional group labels are 25~k larger than component labels.6.6.1.2 b.(i)PA-50 PA-31 6.6.1.2 b.(2)PA-50 PA-31 39.$P Tag-out labels clearly identify aut-af-service components and equipment, are securely affixed, do not obscure the label associated with the non-operable component and any adjacent devices, and are designed to physically prevent actuatian of a control.40.The use of temporary labels is I administratively controlled. 6.6.5.1 d.-h.6.6.5.2 aO 35.Q 36.o Component labels will be 25'Nr larger than contral position identifiers. Displays are identified as to whether they reflect demand or actual status.Display markings are black on a white background to provide high contrast.6.6.1.2 b.(3)PA-50 PA-31 6.5.1.1 e.(1)VD-89 6.5.1.3 c.(i)PA-59 41.I A review procedure is used to determine if temporary labels will be used: (1)when needed;(2)how used;(3)content;(4)installation; (5)impact on other system equipment; (6)documentation require-ments;(7)retraining require-ments;(8)periodic review;and (9)removal.6.6.5.2 b.(i-9)TEMPORARY LABELS.Temporary labels are used only when necessary and con-form to good human engi-neering principles. 38.Temporary labels do not obscure prior permanent labels unless the old label is to be replaced.6.6.5.1 a.h b.6.6.5.1 co LOCATION AIDS 42.Demarcation lines are visually distinctive from the panel background. 43.Lines of demarcation are attached permanently. GENERAL LABELING READABILITY Character height subte'nds a minimum visual angle o f 15 minutes or 0.004 X viewing distance.6.6.6.2 b.CDI-13 6.6.6.2 Cr 6.5.1.3 a.and 6.6.4.1 a.(l)PA-34 0 0 HUMAN EIGIIIIEERlIG CHECKLlST 70 EVALUATION GUIDEiIIE REF.EYALUATIOM GUIDEI.INE REF.e" Type style is consistent with recommended figures or a similar style and used with consistency. 46.Only upper case letters are used.47.Color combinations provide good contrast.s.Letter height is identical for all labels within the same hierarchical level based on the maximum viewing distance.49.This engraved label is filled with a paint pigment or covered with'clear plastic cover.50.Dark letters are provided on a light background to ensure adequate contrast and prevent readability errors.~1.Labels are in capital letters.52.Stroke width-to-character-height ratios are between 1:6 and 1:B.6.5.1.3 b.(i)a (2)+P.A-36 VD-36 6.5.1.3 b.(3)PA-36 6.5.1.3 c,(2)+PA-59 6.6.4.1 a'.(2)'A-53 6.6A.l b.(1)PA-53 PA-59 6.6.4.2 a.(1)6.5.1.3 d.(i)VD-39 and 6.6A.2 Co PA-38 53.Letter width-to-height ratios are between 1:1 and 3:5.54.Numeral width-to-height ratios are 3:5 except for the number"4" which is one strake width wider and the number"1" which is one stroke in width.56.Minimum space between words is one character width.57.Minimum space between lines 8 will be one-half the character height.55.Minimum space between characters is ane stroke width.6.5.1.3 d.(2)VD-40 and 6.6A.Z b.(i)PA-37 6.5.1.3 d.(3)VD-40 and 6.6A.2 b.(2)PA-37 6.5.1.3 d.(4)PA-60 and 6.6.4.2 d.(i)PA-60 6.5.1.3 d.(5)PA-61 and 6.6A.2 d.(2)PA-61 6.5.1.3 d.(6)PA-62 and 6.6.4.2 d.o)PA-62 0 0 HUMAN ENGlIEERIIG CHECKLlST EVALUATION GUIDELINE REF.EVALUATION GUIDELIItIE REF.58.e Lettering is simple and with-out flourishes or serifs and conforms to conventions for style and size.6.5.3.3 b (2)a+PA-36 VD-36 and 6.6.4.2 a.(2)PA-36 LEGEND LIGHTS 66.The legend is readable under ambient light conditions, with or without internal illumi-nation.6.4.3.3 b.(1)and 6.5.3.3 a.(2)CQN-5 COUNTERS 1 59.For drum-type counters, width to height ratio of numerals is 1:l.60.For drum-type counters, numeral-to-background con-trast is high.6.5.5.1 a.(2)'D-83 6.5,5.1 a.(4)VD-84 67.Legend lettering and contrast and use of color is consistent throughout the control room.68.The legend messages are specific, unambiguous, and concise.6.4.3.3 b.(3)6.4.3.3 b.(4)PA-35 and 6.5.3.3 b.(4)VD-6 61.62.8 63.jj Simple character font is used;variable stroke widths and slanted characters are not used for electronic counters.Numerals subtend a visual angle of 15 minutes from furthest anticipated viewing distance of electronic counter.Electronic counter numeral width-to-height ratio is 3:5.6.5.5.2 a.(2)6.5.5.2 a.g)6.5.5.2 a.(4)69.The legend messages contain no more than three lines of lettering. 70.Where meaning of the light is not apparent, labeling is pro-vided close to a legend light indicator. 6.4.3.3 b.(5)and 6.5.3.3 b.(5)CQN-5 6.5.3.2 a (1)++VD-96 64.Horizontal spacing between numerals is 1/4-1/2 numeral width for electronic counters.Character-to-background con-trast ratio is between 15:1 and e 20:1 for electronic counters.6.5.5.2 a.(5)6.5.5.2 Co 71.Legend lettering contrasts well with background when light is both on and off, under both ambient and transillumi-nated lighting.72.Legends are worded to indi-I cate status indicated by glowing light.6.5.3.3 a.(3)PA-59 6.5.3.3 b.(7) HUMAN ENGINEERING CHECKI.IST 72 EVAI.UATION GUIDEI.INE REl'.EVAI.UATION GUIDEUNE REF.MISCELLANEOUS Access Openings 73.Each access opening is labeled to identify the function of items accessible through it.Danger Safety Instructions 6.6.3.9 aO PA-29 LABELS-ORIENTATION 78.The angle for viewing this label is as shown in the figure on the back.LABELS-COLOR VD-21 74.All danger, warning, and safety instruction labels are in accordance with appropriate safety standards. 6.6.3.9 b.PA-29 79.White alphanumeric char-acters on black background have thinner stroke widths than black characters on white background. VD-38 LABELS-PANELS 75.Labeling for trend recorders identifies the parameters recorded.If muiti-pen, para-meters are listed in order of associated scales or recorders. CONTROLS 76.This switch must be used with jj the cover panel off and dupli-cate switch position labels are placed an the internal unit.6.5A.2 a.(i)PA-51 80.8 This panel is illuminated by ambient or individual illumi-nation, and the stroke width on its label conforms with the following guideiines: a.Dark characters on light background have a stroke width 1/16 of the letter height.b.Light characters on dark background have a stroke width 1/8 of the letter height.PA-38 77.$P See illustration on back.This label for concentric controls uses the following hierarchy: smail solid dot, larger solid line, and larger broken circle.Nomenclature is adjacent to controls and identifies the function of each knob.Color coding is used to increase code-symbol reliability. p, 52 O.4l HUMAN EIG)NEERlNG CHECKLIST 73 ANNLNCIATORS"Criteria are different. ++0700 criteria are more specific.+++1580 is more specific.EVALUATION GUIDEUNE REl'.EVAl.UATlON GUiDEElNE REF.VISUAL DISPLAYS Maintainability ~~8.Master light test control exists for each control panel using incandescent bulbs.VD-91 Lamps may be replaced rapidly and conveniently from the front of the display panel.2.If necessary, operator aids are I provided for lamp replace-ment.6,3.3.1 Co VD-92 6.3.3.1 Co Identification/Coding 9.High-priority or safety-related annunciators flash red, while all other lights do not flash or are a different color.VD-95 e 50 8ulbs may be removed and replaced while power is on without causing circuit com-ponent failure or personnel safety hazards.Legend screen or indicator covers are designed to prevent inadvertent interchange or to provide a check of proper installation. Incande'scent display lamps have dual bulbs or filament redundancy to indicate need for replacement of a bulb or filament without degrading operator performance. 6.3.3.1 Co VD-92 6.3.3.1 Co VD-92 YD-91 10.12.13.Annunciators or warning lights are separate from and clearly distinguishable from status indicators. This annunciator is dis-criminably larger and brighter than other less critical ii.'gend lights.This warning device attracts the attention of a busy or bored operator.The specific tile(s)on an annunciator panel use flashing illumination to indicate an alarm condition. VD-96 VD-110 6.3.3.2 aO VD-112 6.3.3.2 aO VD-109 VD-99+6.70 Annunciators are designed so that failure of the circuits or bulbs is immediately. apparent.Failure of the annunciator cir-cuit will not cause failure in the equipment associated with the display.VD-2 VD-7'4.15.16.This warning device specifies what is wrong or what action to take.This warning device allows continued attention to other duties.This warning device is not likely to fail or give false warnings.VD-112 VD-112 VD-112 ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION HUMAN ENGINEERING CHECKI.IST 74 Ah&LP/CIATORS EVALUATION GUIDELINE REF.EVALUATION GUIDELINE 17.18.x9.Each matrix is labeled with alphanumeric codes for identi-fication of individual tiles.The number of alarm tiles and the matrix density are kep low.Appropriate alphanumeric codes appear on matrix axes for ready coordinate designation.of a particular visual tile;coordinate designation is preferred on the left and top sides of the annunciator panel.Summary labels identify major alarm groups.6.3.3.3~d.(1)6.3.3.3 c.(1)(2)6.3.3.3 24.Size-coded annunciators use a maximum of three sizes/steps. 25.Compound coding is usually less satisfactory than single coding if the single code used is the best available. 26.Coding'n this annunciator system is consistent through-.out the control room.27.No color combinations which can be easily confused (e.g., red and orange;blue and purple)are used for coding annunciators in the control room.VD-111 VD-106 VD-106 VD-97 20.If used, brightness coding uses only two levels (bright and dim).21.If brightness coding is used, bright represents primary items and dim represents background or supplementary information. 2.The maximum number of chromatic colors used on annunciators is five (total of seven, including black and white).C/D Relationships 23.Flashing lights have a flash 31.Bthxtusf Hi@bteend~iehirtg f Se;fieaUdiopee f saxrmn~tiuethsuh. eydteR djMkes frxfrrahboheequ51. chadkbg)4KMtaGXCM4783)stem components. VD-111 VD-ill VD-108 6.3.3.2 LED-89 VD-100 VD-109 28.If used, symbols are clearly associated with the ab jects/condi tions they represent. 29.Symbology codes use only simple, symmetrical symbols with enclosed areas, sharp angles, and/or smooth curves.30.Symbolic codes avoid using variations of a single geo-metric form.VD-110 VD-110 VD-110 4 ON-SXVZ muham,ohVTnN l8 n'PPPh'PnP hCCTWTFD FVhT,77hVTnN HUMAN ENGINEERIIG CHECKLIST 75 ANNUNCIATORS EVALUATIOIII GUIDELINE REF.EVAI.UATION GUIDEUIE 32.Control devices associated ~~~~with this annunciator are within readily reachable distances. 33.Critical function indicators are located within 15o of the operator's normal line of sight.Readability 3'4.Annunciator visual tile legends are specific and unambiguous. 35.Tile legends address specific conditions. 36.Legends are engraved.37.Only upper-case type is used on visual tiles.Type styles are simple (no flourishes or ser iphs).39.Numerals and letters do not vary in engraving depth.40.Letter width-to*eight ratio is between 1:1 and 3:5 or 100%to 60%for black letters on white background. 6.3 4.1 VD-88 VD-90 6.3.3 4+PA-55 VD-6 6.3.3 4 Ca~VD-6 6.3.3.5.(1)VD-103 6.3.3.5 b.(3)VD-103 6.3.3.5 b.(i)VD-103 VD-41 VD-103 6.3.3.5 d.(2)VD-105 VD-40 41.Numeral width-to-height ratio is 3:5.42.Letter height is identical for all tiles.43.Type styles are consistent on all visual tiles.44.Stroke-width-to-character-heig ratio is between 1:6 and 1:8.45..Minimum space between char-acters is one stroke width.46.Minimum space between words is the width of one character. 47.Minimum space between lines is one-half the character height.48.The operator is able to read all the annunciator tiles from the position at the work station where annunciator acknowledge control is located.49.Legends provide high contrast with the tile background. 50.Legends are dark lettering on light background. 6.3.3.5 d.(3)+VD-103 VD-40 6.3.3.5 a.(2)6.3.3.5 b.(2)6.3.3.5 d.(1)+VD-105 6.3.3.5 d.(4)PA-60 6.3.3.5 d.(5)PA-61 6.3.3.5 d.(6)PA-62 6.3.3.5 aO VD-90 VD-35 6.3.3.5+PA-59 6.3.3.5 c.(2)VD-93 0 HUMAN EHGIIFFRllo CHFCKuST 76 ANNLNCIATORS EVALUATION GUIDELINE REF.EVALUATION GUIDELINE REF.There is a high enough con-trast between alarming and steady-an tiles, and between illuminated and nonilluminated tiles.52.In case of flash or failure of an alarmed tile, the tile light illuminates and burns steadily.6.3.3.2 d+VD-93 6.3.3.2 co VD-109 58.Blank or unused annunciator tiles are not illuminated. 59.Flash rates are from 3 to 5 flashes per second with approximately equal on and off times.Location 6.3.3.3 f.6.3.3.2 b.VD-109 1472C 53.Trademarks, company.names, or other markings not related to the annunciator are not dis-played on the window face.VD-6 60.This annunciator is located so that it can be read easily and accurately by personnel in normal operating positions. 1472C Each panel is identified by a label above the panel.Operations 55.Changes in display status signify changes in functional status rather than results of control activation alone.56.Extinguishment of a signal or e visual indication will not be used to denote a"go ahead" or"ready" condition. 57.Some type of visual indication AUDIe lPFUdiRARMhSRhring alarms (ringback) such as:.A special flash rate (twice or.one-half.the normal 64.A qpximurp~qt five auattory signa cornbrriations is used ioheRglahe85tigbtritaooded by both intensity and frequency. o A special color.6.3.3.1 b.(1)PA-49 1472C VD-89 6.3.1.5 6.3.1.5 b.(2)6.3.1.5 b.(3)61.Panel identification label height is consistent with a subtended visual angle of at least 15 minutes when viewed from a control position within the primary operating area.62.Letter height for coordinate designation is consistent with a subtended visual angle of at least 15 minutes.63.Annunciator tile(s)letter heights subtend a minimum visual angle of 15 minutes.6.3.3.1 b.(2)6.3.3.3 c.(3)6.3.3.5 a.(i)VD-35 HUMAN ENGlIEERlNG CHECKllST 77 AHNUNCIATORS EVALUATION GUIDELINE EVALUATION GUIDELINE 66.67.e, 69.70.II1.The maximum number of audible signal codes by sound duration at any given time does not exceed three.Changes in signal intensity are used as a spatial coding cue.Frequency is not used for spatial coding.The maximum number of~spatially coded signals (via intensity changes)does not exceed four.Differences in sound intensity are distinct.The same signal should desig-nate the same information at all times.More critical auditory signals are clearly distinguishable from those o f lesser importance. No more than seven different frequencies are used for coding all auditory displays, including warning systems.AD-19 AD-20 AD-20.AD-21 6.3.3.2 c.(2)AD-1 AD-3 AD-3.5 Operations 74.Caution signals are dis-tinguishable from warning signals.75.Similar audible signals are not contradictory in meaning.76.Signals that increase pro-gressively in level are not used wher e manual silencing is required.77.Communication systems'or warnings, such as loud-speakers, horns, etc., are not used for other purposes.78.Auditory signals capture operator's attention without causing irritation or a startled reaction.79.Auditory alert mechanisms automatically reset after acti-vation.80.Audible alarms are used in conjunction with warning lights, unless alarm is for evacuation. AD-31 AD-18 AD-7 AD-12 6.3.2.1 Co 6.3.2.1 e.AD-23 72.Auditory signals direct operator to location requiring action (localization). 73.Coded signals are used to alert operator to an alarm that is not within primary aperating e areas.6.3.2.1 f.AD-3 6.3.2.2 aO 82.Auditory signals are not pre-sented simultaneously. 83.Alarm audibles are shut off only after initiation of the signais.AD-3 AD-8 81.Alarm system can be silenced.AD-8 ON-SITE EVALUATION 9 OPERATOR ASSISTED EVALUATION HUMAN ENGINEERIMG CHECKllST 78 ANNUNCIATORS KVAI.UATION GUIGEI.INE HEl'.EVAI.UATION GUIGEEINE 84.85.86.System is.equipped with manual initiation as a supple-ment to autamatic initiation (e.g., evacuation, testing, etce)o An audible alarm is provided to indicate malfunctions in unmonitored equipment. Cleared alarms have a dedi-cated distinctive audible signal of finite duration.Audible alarms are discernible over ambient control room noise (level approx.10 dB over ambient).AD-30 CRE-21 6.3.1.5 a.6.3.2.1 aO 92.Failure of audible alarm cir-cuitry does not adversely affect equipment. 93.Where signal intensity is adjustable, such adjustment is governed by administrative procedure. AD-11 6.3.2.1 b.Arrangement t 88.Sound sources are directed towards the operator.89.Sound sources are placed at or above the head of the operator.Maintenance JO.Audio displays are equipped with circuitry test devices or other means of operability testing.91.Systems failures do not affect operability of audible alarm systems.AD-6 AD-10 AD-10 AD-11 ON-SITE EVALUATION 9 OPERATOR ASSISTED EVAIUATION HUMAN EIGINEERIMG CHECKl.lST 79 ANTHROPO ME:TRIC+Criteria are different. ++0700 is more specific.EVALUATIOIII GUIDELINE REF.EVALUATIOIII GUIDELIIIIE WORKSPACE ARRANGEMENT 1.Minimum separation from the~~back of any desk to any opposing surface is 36 inches.3.Minimum separation between a single row o f equipment/panel and a wall is 50 inches.4.8 Minimum separation between two rows of facing equipment if operated by one person is 50 inches.5.Minimum separation between apposing rows of equipment where more than one person works simultaneously will be 8 feet.STANDINQ OPERATIONS 2.Minimum lateral space for a seated operator is 30 inches.6.1.1.3 e.(l)WA-21 6.1.1.3 e.(2)WA-21 6.1.1.3 f.(1)WA-20 6.1.1.3 f.(2)WA-20 6.1.1.3 f.(3)WA-20 8.$9.$10.11.KE'l3.$The lo'west controls on a stand-up'console allows a 95th percentile male to reach with-out bending or stooping.Benchboard slope permits a 5th percentile female to reach all controls.Controls are set back a mini-mum of 3 inches from the front edge to protect against accidental activation. No control is more than 25 inches from the front edge of the console.All displays, including annun-ciators, are mounted so that they are within the upper limit of the visual field of the standing 5th percentile female.All displays and annunciators are mounted so that the angle from the lire of sight to the face plane is 45o or greater.6.1.2.2 b (2)++VD 22 c 6.1.2.2 Ce 6.1.2.2 d.(i)6.1.2.2 d.(2)6.1.2.2 e'.(i)(a)6.1.2.2..(1)(b)VD-22 6.7.$Console height will not exceed 58 inches when a standing operator must see over it.The highest controls an a stand-up console allows a 5th percentile female to reach without stretching or using a stool, ladder, etc.6.1.2.2 aI 6.1.2.2 b.(1)++VD-22 15.The oblique angle from the line of sight to a display located to either side of the working position from which the display must be read is at least 45o.The maximum lateral spread of controls and displays at a single-operator work station does not exceed 72 inches.6.1.2.2 e.(2)6.1.2.2 f.Comm T.'rrhT rvwmTnwv HUMAN ENGINEER)NG CHECKS.1ST 80 ANTHROP 0 METRIC.EVALUATlON GUIOELINK REF.EVALUAT10N GUIDELfNE REF.16.A clearance of 4 inches verti-cal and 4 inches horizontal is provided for foot room at the control board.6.1.2.2 ge WA-25 24.8 Displays are mounted.so that the angle from the lineof-sight to the display face plane is 45o or greater.6.1.2.3 e (2)%%VD-22 SEATED OPERATIONS 17.Q8.19.SP When the seated operator need only monitor (not read)status lights and annunciators beyond the console, see-over console heights above 45 inches are acceptable. All controls on a sit-down con-sole are within the reach of the 5th percentile female.20.The benchboard slope is within the functional reach of the 5th percentile female.Console height for seated operators is no higher than 45 inches above the floor if the operator must see over the console.6.1.2.3 a.(i)6.1.2.3 a.(2)6.1.2.3 b.6.1.2.3 Co 25.26.27.28./Jf Controls and displays for a seated operating sequence will be within maximum extended reach and viewing range of the seated operator specified on Figure 6.1-11.The operator will not have to bend/stretch significantly for operating sequences and sus-tained or precise control action.'ufficient foot and leg room will be provided under all tables, consoles, etc.A surface at least 16 inches deep and 24 inches wide is provided for writing;for other kinds of seated tasks, the sur-face will be 16 inches deep and 30 inches wide.6.1.2.3 f.(1)6.1.2.3 f.(z)6.1.2.3 ge WA-27 6.1.Z.3 h.(i)WA-27 22.Controls are set back a mini-mum of 3 inches from the front edge to protect against accidental activation. Controls are not mounted farther than 25 inches from the console edge.All displays and annunciators are mounted so that they are less than 75o above the hori-zontal line-of-sight of the seated 5th percentile female.6.1.2.3 d.(i)6.1.2.3 d.(2)'.1.Z.3 e.(1)SIT-STAND WORK STATIONS 29.$Height and lateral limits for controls and displays conforms to 6.1.2.2 (see attached). 30.A high chair is available so that seated eye level is the same as standing eye level.6.1.2.4 (a)'6.1.2 4 (b)ON-SXTE EVALUATION OPERATOR ASSISTED EVALUATlON HUMAN ENGINEERING CHECKLIST 81 ANTHROPO METRIC EVALUATlOI GUlQELlHE EVALUATlOM GUlDEUIE REF.31.Knee room and comfortable foot support are provided at sit-stand work stations.VERTICAL PANELS 6.1.2.4 (c)39.Work surface area width is 24 inches minimum if tasks involve reading and writing only;30 inches if other tasks are involved.6.1.2.7+d.(4)WA-16 32.Controls are placed in an area between 34 and 70 inches above the floor.6.1.2.5%a.(i)WA-4 40.Knee room height is 25 inches from the floor for 5th to 95th percentile males and females at sit-down-only stations.6.1.2.7+d.(5)WA-16 33./E 34,/Jf 35.Controls requiring precise or frequent operation and emer-gency controls are placed in an area between 34 and 53 inches above the floor.Displays are placed in an area between 41 and 70 inches above the floor.Displays which are read fre-quently or precisely are mounted in an area between 50 and 65 inches above the floor.6.1.2.5%a.(2)WA-4 6.1.2.5 b.(1)WA-1 6.1.2.5 b.(2)WA-1 41.Knee room depth is 18 inches minimum for desks or con-soles.42.Knee room width is 20 inches minimum for sit down work station.SEATS AND CHAIRS 43.Seats are at least 17 inches wide and 15-17 inches deep.6.1;2.7.d.(6)6.1.2.7%d.(7)6.1.2.8 e.WA-17/18 los:s~s 36.37.38.For seated work only, a desk is 26 to 31 inches above the floor.For sit-stand desks, the height is 36 to 38 inches.Work surface area depth is 16 inches minimum.6.1.2.7 d.(1)WA-16 6.1.2.7 d.(2)6.1.2.7 d.(3)WA-16 44./If 45.Chairs at sit-down stations are adjustable from 15-18 inches in height and for sit-stand stations, from 26-32 inches.An adjustable footrest is provided at a level of no more than 18 inches below the seat surface.If it is part of the chair, a circular design of 18 inches in diameter is recom-mended.6.1.2.8" f.WA-18 6.1.2.8 ge ON-SITE EVALUATION 9 OPERATOR ASSISTED EVALUATION HUMAN EMGINEERllo CHECKLIST 82 ANTHROP QMETRIC EVALUATlOlbl GUIDEl.lIE REF.EVAl.UAT10lbl GU1DEl.llblE CRT DISPLAYS II'he minimum angle between the operator is line-of-sight (LQS)and the display screen plane is 45o or greater hori-zontally and vertically. CRT displays that are moni-tored frequently will not be more than 35o to the left or right of the operators'traight-ahead LQS or not more than 20o above and 40o below the operators'ori-zontal LQS.6.7;2.3+b.VD-46 6.7.2.3+c.(l)()a (b)VD-47 51.Consoles in which CRTs are installed will conform to the guidelines of Section 6.1.2.6.7.2.3 e.VD-54 4S.PP 49.PE 50.CRT displays that are not monitored frequently will be not more than 95o to the left or right of the operators'traight-ahead LQS and not more than 70o above and 90o below the operators'ori-zontal LQS.CRT displays requiring fre-quent monitoring are not more than 35o to the left or right of the operators'traight-ahead LQS and not more than 35o above and 25o below the operators'orizontal LQS.CRT displays not requiring frequent monitoring are not more than 95o to the left or right of the operators'traight-ahead LQS and not more than 85o above and 90o below the operators'ori-zontal LQS.6.7.2.3.(2)()a'(b)6.7.2.3 d.(1)(a)a'(b)6.7.2.3 d.(2)(a)*(b)ON-SITE EVALUATION js OPERATOR ASSISTED EVALUATION HUMAN EMGlIEERllIIG CHECKllST 83 FORCE/TORQUE EVALUATION GUIDELINE EVALUATION GUIDELlNE REF.;0 2.Toggle switches have an elastic resistance that increases as the control is moved and drops as the switch snaps into position.Knobs for spring-loaded momentary contact rotary selector controls are large enough to be easily held against the spring torque for as long as necessary. 6A.5.3 80 CON-6 6A.4.5 f.9.10.Resistance of continuous adjustment thumb wheels is between 3 and 6 ounces.Resistance of rotary selector controls is a minimum of 1.0 inch/lb.and a maximum of 6.0 inch/lbs.Knob torque for continuous adjustment rotaries is within the range of 4.5 to 6.0 inch/ounces. 6.4.5.1 c.(2)CQN-97 6.4A.5 e.(5)CON-3 6AA.4 de CON-3 3.50 7.8.The resistance for rocker switches is a minimum of 10 ounces and a maximum of 40 ounces.Rocker switch resistance gradually increases, then drops to zero when the control snaps into position.This resistance precludes the switch being placed between positions. Resistance of a large toggle switch is 10 ounces minimum and 40 ounces maximum.Resistance of a small toggle switch is a minimum of 10 ounces and a maximum of 16 ounces.Resistance of thumbwheel controls is a minimum of 6 ounces and a maximum of 20 ounces.6A.5A e.(2)CQN-7 6A.5.4 c.(1)CQN-7 6.4.5A c.(2)CON-7 6A.5.3 c.(4)CQN-6 6.4.5.3 c.(3)CON-6 6A.5.1 d.(2)(e)CON-9 12.13.14.15.16.Resistance of key-operated controls is 1.0 inch/lb.'ini-mum and 6.0 inch/lbs.maxi-mum.Resistance for legend push-buttons is a minimum of 10 ounces and a maximum of 40 ounces.Resistance for round push-buttons is a minimum of 10 ounces and a maximum of 40 ounces.Control knobs or handles do not rotate, slip,.or move loosely on their shafts so as to retain full characteristics during its service life.No internal wear or breakage occurs to alter the"feel" or other sensory feedback of the control.6AA.3 g.(3)CON-4 6.4.3.3 e.(5)CQN-5 6A.3.2 d.CON-5 6.4.1.1 e.(2)6.4.1.1 e.(3)ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION HUMAN ENGlNEERlMG GHECKLlST 84 COMMUNICATIONS +Criteria are different. ++0700 is more specific.EVALUATION GUIDELINE REF.EVALUATION GUIDELINE Fixed-base VHF transceivers provide a frequency response of at least 200-3300 Hz and sufficient dynamic range for handling speech character-istics.6.2.1.5 aO COM-1 10.Microphone input is provided within the control room.Speakers are provided in all areas where control room per-sonnel might be.6.2.1.6 b.(5)6.2.1.6 c.(1)COM-2 20 5.6.e 8.9.Gain is adjustable, with the lowest setting allowing audi-bility.Procedures are established and posted for the use of the VHF system.The announcing system pro-vides a good frequency response of 200-3300 Hz, to achieve intelligibility. Loudspeakers are placed to adequately cover all necessary areas without"Dead Spots".Microphone frequency response is compatible with the system.Powered telephones, used with the system, have microphones compatible with the announcing system.Microphones are highly sensi-tive to speech signals.Microphone dynamic range permit 50dB variations in sig-nalinput.6.2.1.5 b.COM-4 6.2.1.5 Co 6.2.1.6 a.(i)COM-1 6.2.1.6 a.(2)COM-9 6.2.1.6 b.(i)COM-1 6.2.1.6 b.(2)6.2.1.6 b.o)6.2.1.6 b(4)COM-1 12.13.14.15.16.17.18.19.Speakers are placed to yield an intelligible level of signal throughout the area.Procedures are outlined for the proper manner of speaking on the announcing system.Speaker volume is adjustable to allow detection of auditory alarms.Lowest;gain control setting allows audibility of communi-cation.Control room inputs have priority to interrupt or bypass messages on the announcing system.Point-to-point intercoms con-nect the control room with important plant areas.The system provides adequate frequency response from 200-3300 Hz.Gain is adjustable at each intercom unit, with lowest setting allowing audibility. 6.2.1.6 c.(2)6.2.1.6 d.6.2.1.6 e.(1)COM-4 6.2.1.6 e.(2)COM-4 6.2.1.6 f.6.2.1.7 6.2.1.7 aO 6.2.1.7 b.ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION HUMAN ENGINEERIMG CHECKLIST 85 CQMMLMCATTONS EVALUATlON GUloEl.lNE REF.EVALUATlON GUloEuNE 20.e 21.22.24.Internal and external com-munications backup is pro-vided during emergencies. Systems dedicated to non-verbal auditory signals are used only for that purpose.Auditory signals provide loca-tion cues, directing operators to area of required attention. Auditory signals are selected to avoid confusion with ambient noise.Auditory signals do not inter-fere with other auditory sources, including verbal com-munication. 6.2.1.8&e 6.2.2.1 aO 6.2.2.1 b.AD-3 6.2.2.1 c.(l)AD-1 6.2.2.1 c (2)+AD-3 30.31.32.Failure of auditory alarm does not adversely affect plant equipment. False auditory alarms are avoided.Auditory test capabilities are provided.Dedicated communication links exist between primary operating areas and the shift supervisor's office.Operating instructions are provided for each communi-cation system including alter-natives if system becomes inoperable. 6.2.2.7 ao AD-11, 6.2.2.7 b.6.2.2.7 Co AD-10 6.1.1.6 b.6.2.1.1 aO 25.The meaning of each auditory signai is clear and unam-biguous.26.Similar auditory signals are not contradictory in meaning.28.Sound sources direct sound toward the center of the pri-mary operating area.87.Alerting auditory signals are distinct from routine signals such as bells, buzzers, etc.6.2.2.2+AD-1 6.2.2.2 b.AD-18 6.2.2.2 ce 6.2.2 4 aO AD-6 35.36.Periodic maintenance is per-formed to ensure that all com-munication systems are nor-mally operative and effective under varying ambient noise levels.Priority procedures are established and are made known to all operators for the transmission of emergency messages from the control room by any of the communi-cation systems.6.2.1.1 b.6.2.1.1 c.(1)29.Auditory alert and warning signals are audible in all parts of the control room.6.2.2 4 b.37.Procedures are established for handling communications during an emergemcy. 6.2.1.1 c.(2)ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION HUMAN EIIIG1IIIEERIMG CHECKLlST COMMUNICATIONS EVALUATIOIII GUIDELIIIIE EVALUATION GUIDELINE REF.38.39.40.41.42.Conventional powered tele-phone systems pravide good frequency response within the auditory spectrum of 200-3000.Hz.Size and shape of handset is compatible with operator's hand size and mouth-ear distance.Handsets maintain firm ear contact by receiver while transmitter is positioned to receive voice waves directly from mouth.Cords are non-link or self-retracting. Cords.are of sufficient length to permit mobility.Telephone instruments are coded to indicate circuit or function in a multiple phone set-up.6.2.1.2 aO COM-6 6.2.1.2 b.(i)COM-1 6.2.1.2 b.(2)COM>>1 6.2.1.2 b.o)COM-1 6.2.1.2 b.(4)COM-2 6.2.1.2 b.(7)46.47.48.50.51.Switching is programmed to give the control room auto-matic priority access to the switching system.Loudness of ringing is adjustable at individual tele-phone sets.Powered telephone system transmitters, when used as microphone inputs to the announcing system, are com-patible with the rest of the announcing system..Good frequency response fram 200-3000 Hz is provided for sound-powered telephone sys-tems.The sound-powered system provides in-phase feedback to the user.Earphones in head set cover the outer ear with cushioning to provide comfort for extended wear.6.2.1.2 c.(2)6.2.1.2 d.6.2.1.2 e.6.2.1.3 a.(i)6.2.1.3 a.(2)6.2.1.3 b.(i)COM-2 45.Press-to-talk buttons are con-venient to both left and right hand operation. Switching is designed or pro-grammed to minimize delays in connection making under normal and emergency con-ditions.6.2.1.2 b.(8)COM-I 6.2.1.2 c.(l)52.53.Earpiece supporting structures in headset do not impose dis-comforts, of weight, con-centrated pressures, or metal contact with the skin.The earpiece is held firmly in place, yet is easy to remove.6-2.1.3 b.(2)COM-2 6.2.1.3 b.(S)COM-2 4 QN-CTTE FVPkLUO'PThM hO'PO'hVh'0 lL C CT C'PVn VWT'5 T.'F'T h 6Th'lJ L I I I i'I C I>'LMA~1~~&-tA Pt~'4 HUMAN EMGINEERING CHECKLlsT 87 COMMUNICATIONS EVAI.UATION GUIDELINE EVAt.UATIOM GUIDELINE 54.55.56.58.59.61.Headsets provide hands-free operation, except where push-to-talk switches become necessary in areas of high ambient noise.Binaural headsets are used in areas with high ambient noise, remote from the control room.Headset storage area is well-marked and accessible. Need for ringing is determined by the plant depending on sound-powered phone pro-cedures.If ringing is not installed, the user is provided the capability for switching the saund-powered transmitter to the paging system to call a party to the line.Plug-in jacks far the saund-powered system are provided in the control room.Jacks are located close to the work stations to prevent the need for unduly long cords.Jacks accommodate only the sound-powered phone system (not conventionally powered phone systems).Requirements for switching with sound-powered phones are assessed for the plant based on procedures for use of sound-powered phones.6.2.1.3 b.(~)CQM-2 6.2.1.3 b.(5)6.2.1.3 b.(6)6.2.1.3 c.(1)6.2.1.3 c.(2)6.2.1.3 d.(i)6.2.1.3 d.(2)6.2.1.3 d.(3)6.2.1.3 e.(1)63.64.65.66.67.68.69.70.71.Patch panels are marked con-spicuously and lacated in accessible areas, especially in back-panel areas.A complete set of patch cords are provided at each panel.Walkie-talkies have a good frequency response between 200 and 3300 Hz.There is sufficient dynamic range and gain to handle instantaneous speech pressures and to develop necessary signal level at headphone or loudspeaker of walkie-talkies. Walkie-talkie radio frequency is broad enough for uninter-rupted communicatian with control room.Use of walkie-talkies is restricted in areas where low-level analog or digital equip-ment are affected by fre-quency bands.Walkie-talk ies are light and portable.Walkie-talkie portability allows one hand, and prefer-ably both, free for other tasks.Microphones are integrated into the transciever package of the walkie-talkie. 6.2.1.3 e.(2)6.2.1.3 e.(3).6.2.1.4 a.(1)6.2.1.4 a.(2)CQM-1 6.2.1A b.(i)6.2.1.4 b.(2)6.2.1.4 c.(1)6.2.1.4 c.(2)6.2.1.4 c.(3)ON-SITE EVALUATlON OPERATOR ASSXSTED EVALUATION ~T I pl+l I 0 l tJ F'U~~l P t I f'%@VIVA P\~'Olt t~ HUMAN ENGINEERING CHECKLIST 88 COMMUNICATIONS EVALUATION GUIDELIItIE EVALUATION GUIDELINE 72-73.74.,5.76.78.79.Party identification is required and provided for when more than two parties are using the same channel on the walkie-talkie at separate locations. Adjustable signal detection for warning systems is controlled by administrative procedure. The warning signal captures the operator's attention but does not cause irritation.or startled reaction.Each auditory signal is adjusted to result in approxi-mately equal detection levels at normal operator work stations in the primary opera-ting area.The annunciator auditory alert mechanism automatically resets when it is silenced.The operator is able to identify the work station or the system where the auditory alert signal originated. This communications system uses auditory signals only for a few of the most urgent warnings.Reach to communication devices and controls is unob-structed.6.2.1.4 do 6.3.2.1 b.6.3.2.1 Ce 6.3.2.1 de 6.3.2.1 e.AD-9 6.3.2.1 f+AD-5 YD-4 80.81.82.83.84.85.86.87.88.89.Communication devices are labeled and color-coded (emergency, normal, etc.).Emergency and most fre-quently used communication devices are immediately accessible. Communication devices are easily reached.Microphones for this equip-ment are protected against breath blast and moisture con-densation. Receiver control layout for this device is"station-select" by the right hand and volume control by the left hand.This communications system allows emergency messages top priority.This communications device has individual visual signals for each channel to show which channel is in use.This device does not use channel sharing.For this infrequently used device, instructions are pro-vided.This microphone does not overload with signals as high as 125-130 dB.COM-1 COM-1 COM-I COM-2 AD-3 COM-1 COM-1 COM-1 ON-SITE EVALUATION LS APFQATAA b,RATS'PRD FU'WT.TTW'PTCW w,lp"'1 ye'I'A P o~a*t~'4 s>~f~~k 1 I L 4~MtVI~A 4 I 1~~P&V'4\~4 J ION~f/g&t%p 4 f~~,~iv L I HUMAN EMGIIIIEERIIIIQ CHECKLIST 89 COMMt.M CATIONS f VALUATION GUIQEI.INE REF.f VALUATION GUIDEI.INE 90.95.96.97.This is a directional micro-phone if feedback"squeal" is a problem.This communications system has loudspeakers of different communication channels separated at least 10o from the operator's position.This headset has a frequency response as'broad as that of the remainder of the system.These headphones and loud-speakers can reproduce sound from 100 to 4000 Hz.This headset receiver has a uniform frequency r esponse between 300 and 4000 Hz.This device transmits sounds from 250 to 4000 Hz.This headset has 2 speech channels, and one channel is fed into one ear and the other channel into other channel into the other ear or both signals are"picket-fenced" at 30-40 Hz.This headset receiver has enough electrical power to drive peak sound-pressure level to 131 dB when using two earphones. This headset/handset .allows speaker to hear own voice in phase with speech.COM-I CQM-I COM-2 COM-5 COM-2 COM-I COM-I COM-2 COM-8 99.100.101.102.103.104.105.106.This emergency communi-cation device is permanently installed. Where speaker reverberation is a problem, many low powered loudspeakers are present, rather than a few powerful loudspeakers. High-quality communications have a dynamic range of 60 dB;commercial broadcast 40-45 dB.This microphone has high pass filters to reduce frequency noises, and frequency-selective filters to give char-acteristic timbre to signals.This device has controls capable of controlling sound pressure levels to 110 dB.This carbon microphone has no"packing" o f the carbon granules.Carbon microphone is avoided if quality criteria demand a truly linear response char-acteristic of very low back-ground noise.A ribbon microphone is not used for close talking unless specifically designed for this use.COM-9 COM-I CQM-3 COM-I COM-4 COM-I CQM-I COM-I ON-SXTE EVALUATION OPERATOR ASSISTED EVALUATION ~4~A~\~~W VI%4 HUMAN EMGIIIIEERfNG CHECKllST 90 COtviMLPGCATiONS EVALUATION GUIDELINE EVALUATION GUIDELINE 3.07.Audio signals provided over operator headsets are coded the same as their respective annunciators. 108.This microphone has a high sensitivity to acoustic speech signals.109.This microphone rejects dis-tracting acoustic signals and noises at the speaker'location.0.This headset receiver has gain control with dynamic range to make the signai 15 dB more intense than ambient noise.COM-7 COM<<6 CQM-2 ON-SXTE EVALUATZON , l,g 9 OPERATOR ASSXSTED EVALUATION t1~Jr 1~-~~a~I I t~I~1 I'Vt~1~1 I~I1 IC l~I I~I~~~~~4~I IFII 1 rt Ft tt W'~r trt~1 Furr r11%44&1 F r~1IFtltrtttrt Jrrtr~~~~tr~~~ 91 MAINTAINABILITY +Criteria are different. ++0700 is more specific.EVALUATIDN GUIDELINE REF.EVALUATIDM GUIDELINE There is an adequate supply of expendables and spare parts-fuses, bulbs, ink, inking pens, recorder charts,, printer paper, etc.6.1.1.5 aO 10.N Legend lights which provide a"maintenance or adjustment" status are uncovered or non-visible during normal opera-tion, but are readily accessible. VD-90 2.Expendables and spare parts are readily accessible. 3.All necessary tools to install expendables and spare parts are available. 5.The variety of expendables is clearly and distinctively marked to avoid misappli-cation.6.Records of the status of expendables and spare parts are kept.7.For lighted displays, a lamp test capability is provided.8.Pushbutton lamps are replace-able from front of panei.9.Legend pushbuttons do not malfunction or activate inad-vertently during lamp removal or replacement. ~4.There is adequate storage t space for expendables and spare parts.6.1.1.5 b.6.1.1.5 Ce 6.1.1.5 d+w WA-33 6.1.1.5 eo 6.1.1.5 f.6A.3.3 c.(1)CON-5 6.4.3.3 c.(2)CON-5 6A.3.3 c.(3)'2.Display failure is apparent to the operator.6.5.1.1 f.VD-'7 VD-2 13..Dual-bulbs or dual-filaments are used.6.5.3.1 a.(1)VD-91 14., Bulb test capability is pro-vided.6.5.3.1 a'.(2)'D-91 15.Bulb replacement while power is on is provided without being hazardous to personnel. 16.For lighted displays, all light covers are keyed to prevent interchangeability. .17.Paper, ink, and other expend-ables are provided and accessible in the control room.18.Recorder design permits quick and easy replenishment of paper and ink.6.5.3.1 a.'(3)VD-92 6.5.3.1 c.(2)VD-92 6.5A.1 e.6.5.4.1 f.VD>>78 11.Legend covers are keyed to-6A.3.3 prevent interchanging. c.(4)CON-5 RIM-CT'PT'. PWTh T.TTh'PTAhJ Al\II AAIlP P lA IIl l V~I kl~~<t PP~~I P~~l I~~P t~PI<I~~IPH'l~N P Weal%~h M, lk II k~'I P)~~I~Ca~t HUMAN ENGINEERING CHFCKI.IST 92 EVA1UATION GUIDELINE REF.EVAI.UATION GUIDEI.lltIE 19.Fresh replacement batteries for walkie-talkie transceivers are stored in an accessible and well-marked area.20.Stock of batteries is large enough to support continuous emergency operation of walkie-talkies. 21.If lamp replacement requires tile removal, there is a way to ensure that the tile is replaced in the correct location.Lamp replacement does not subject the operator to a shock hazard.23.Operator aids are provided if needed for lamp replacement. 6.2.1.4 e.(1)6.2.1.4 e.(2)6.3.3.1 c.(1)VD-92 6.3.3.1 c(2)m VD-92 6.3.3.1 c.(3)ON-SITE EUALUATION 9 OPERATOR ASSISTED'EUALUATION aa Q Pt5 1(it't)I P(VS I ae'aeVes pc'iss/sg t gs((Isa$$i f~pie I, (I: ('A Cc.l4 4'r.aa Ew IM(eeasssM eh va wt',cps 111(Maaasat(M '(sksa~aev v I~~I I I'al v ss awe~*4 II~es e'a eeeaavav Iea 4~(I 4.Na 4 tal>>eM e se Ma MMMaeeeat IM>>al A a A4 I I~rt e'4~"f.s((q~a e~aa I I Iaaa w~~~~1r I I II~'J~e~'~~~(f P~1 ,1~~~Me~(P as~af'f($a>>.e i~(,"," (',a ((a;(I'](~'race a a*(~~~<<,I (es*~~'De'Es+a~'(~(" ((4~'I~g,Q a~I EE~~gg~sp I r'a ('I~~M a~(A Jsl~ee(e~f~'re~')<<((~4 s(e e(P~IV~~~(e 01 I 1~(IE((leal I I s(~14'I4~~~IV P I i~(~I I'I(I(~>4~I~-a'*s 4'('..p rg ('I" 1'Ia as~~~, J>>5~(*~'I~~eave~~MI W IVV I~W I I 14 4 aa I (II H<<MVMV EW AAV1(I (a vw'Meavaaiel va~I~v~Ia saa~~aas M.Ir* HUMAN ENGlNEERlNG CHECKLlSY 93 TASK ANALYSIS EVALUATION GUIDELINE REF.EYALUATIOM GUIDELINE GEhKRAL PRINCIPLES All controls and displays needed for (1)detection of abnormal conditions and (2)bringing the plant to a safe shutdown condition are included in the control room.2.Control of plant equipment from one control room does not affect the ability of operators of other control rooms to maintain control, of their units.The status of plant equipment under the control of one con-trol room is displayed in all control rooms capable of con-trolling that equipment. 4.Availability status indications are displayed in all control rooms if control of plant renders that equipment unavailable to other control roomso A single, centrally'ocated control panel/console is used for dual-unit control rooms.6.Administrative procedures are in place which assign responsi-bility for allocation of use of controls of shared plant equip-ment to a single control room.6.1.1.1 a.6.1.3.1 e.(1)6.1.3.1 e.(2)6.1.3.1 e.(3)'.1.3.1 e.(4)6.1.3.1 e.(5)7.8.9.10.12.13.14.15.Each control provides a suf-ficient range of control.There is a good reason to require a control for the function concerned. The precision and range of a control does not exceed the need.Controls are functionally grouped and are in the same location from panel to panel.Pushbuttons in a row or matrix are positioned in a logical order, or in an order related to the procedural sequence.Analysis of operator tasks is recommended to establish operator information require-ments.Visual displays provide all information about the system status and parameter values that is needed in all situations of plant operation. Only needed information is displayed in the operating area.Visual display of actual system/equipment status is displayed for all important parameters. 6.4.1.1 b.(3)6.4.2.2 b., CQN-8 9 6 4.3.1 aO 6.5.1.1 aO 6.5.1.1 b VD-6 6.5.1.1 4+VD-7 6.5.1.1 e.(2)ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION ~h'Q S Cd'<t,,~4C K rr CE"<<EU h I Err II1 I~I~ill I\at~raatltttr I'I+a4aEC I 1~~.j~r I" j I re r'Ihra I~~~~h f re~4I w'h&w444(KK Ir~~KO I r~Eta h~'le@~I K EWV h.I~I lt I (JC~$~'I III th 11 f Q~1CI.I~.!'.Crj-.'K'I~IC I I'CCl'i I~~'IW IE~~h arl et I~~ar Ir(EK(Ih a I a~I~a Ih KI I'j t I a h~~4~I C f g'h K~tl ra I I r~hr I aa I~~'SKI)(AKC~E~I K rA CV'I r.a rl'Cl"I j'I'1 I l tI'Ih I~\g'111(h C r r I~~r~~~)~I El EI ,>)IC II'~h~~I'IC C's.t'.'c I 1 I.,';: ihI'.)'I I ,.!..'.El)J',~'a I Ih I K.h,I'I f~I>>I,(1~E~~~~K Cl j w'E43 I I)1 I I~~I~I P 8'I I K Kl I K a~h~>~I Vtr'lt h y<<I hICI Ia Ir<<~I.<C~1/I'I I I~I r ar(I j t\)~i ii~II~~I C..'.h)C/'I J, Ch~rt'3 tr.I'C<<.CKC r c: I I I I I~I~5~Ir I~1'Ill~~'r I 3'I'S" Kt\I~K'I~I~CIC I~l'~~i I I i I I=~~I~~~~~Il~I j 1~j i I 1 I~1')~g~'-.E.3%3'~~~I I Kth 1 ll lht a I~~)a'I I 1.E~Et~Kl~ll" rl IKIKI~IEIAErr QIE'lr t J" I I K.'I," KE 4 hl I I CI I~ HUMAN ENGINEERIHG CHECKLIST 94 TASK ANALYSIS EVALUATION GUIDELINE REF.FVALUATlON GUlOELlNE 17.18.20.21.23.24.Scale units is consistent with the degree of precision and accuracy needed by the opera-tor.Percentage indication is used when the parameter is mean-ingfully reflected by per-centage.Scales span the expected range of operational param-.eters.Scales employ the appropriate scale ranging techniques. Scales are supported by auxiliary wide-range instru-ments.Display dynamic sensitivity is selected to minimize the dis-play of normal random varia-tions in equipment perform-ance.Scales are compatible in numerical progression and scale organization. Recorders are used to record trend information and material which may.be needed for later reference. Recorders are located within primary operating areas.There will be no mismatch between nomenclature used in procedures and that printed on the labels.6.5.1.2 a.6.5 J..2 Co VD-6 6.5.1.2 d.(i)6.5.1.2 d.(2)6.5.1.2 d.(3)6.5.1.2 f.6.5.1.5 d.VD-71 6.5.4.1 go VD-78 6.5.4.1 h.6.6.3.3 C>>PA-63 26.27.28.29.30.31.32.Controls and displays are functionally grouped within the constraints of grouping by task sequence.Controls and displays are grouped according to importance and frequency of use within the constraints of grouping by task sequence.The location of controls and displays within a single panel makes the most effective use of the'iewing and manual manipulative areas.Groups of components on a panel are physically spaced so that the boundaries of each group are obvious.Demarcation lines circum-scribe functional or selected groups of controls and dIsplays with a contrasting line.Displays observed in a speci-fied sequence are grouped together, preferably in a left-to-right, top-to-bottom, or natural sequence.Controls operated sequentially are grouped together, pref-erably in a left-to-right, top-to-bottom, or natural sequence.Layout of related controls and displays is symmetrical. 6.8.1.1 b.CDI-8 6.8.1.1 Ci CDI-9 6.8.1.2.6.8.1.3'+CDI-14 6.8.1.3 b CDI-13 6.8.2.1 a.(i)VD-18 6.8.2.1 a.(Z)+~CON-10 6.8.2.1 a.(3)CDI-8 ON-SITE EVALUATION OPERATOR ASSISTED EVALUATION 4 ly?CA Ieg I?f SW'!'?>4 r!+~" 551 ea pet.I 44<<<<err<<<<4 4 4<<4 J'";5 I gf,tt 4 yre 4844 e~'~~~~'7 j y)'je~~~'evr~4 reer I I\4~<<<<<<pp 4414 Ih pv~41'4<<4<<h<<l re~4 4<<<<~I,~'I~,~I~I v 4 A~r t~I 1 h~~i)!I 1~~)I<<Ih<<<<4 p 41 4 4<<re'Ilr~41 lh I~'~Q<<I 1 4~~a.~I eh t I*.I I Pt y I'I el!~)~I w.I~5 4~~-i A 44~.<<s i~~~r.hl~lr'r<<~)J 4'~.~!~is I P~!y r'~~I~I 4~4 I r 45~'.r 1 I" q.I 4~~I+I le~4 14 I I 4 I'.re!I!I!~II~I I<<14 It~'Wr 5 4 f Iy~<<~~5)~'r~'5I'5C.aC.Sj!.Wp I I yl, I~44 I~rig h r.I 4 I I~~II~4 I~vt~~'4$4~~~4~, I i~eI re I, i'I': 'I 1~~~I h I I'~I~I I he~I 4, rl I II 4~'I I?*'),)4'I'I I l~~rir IIS'I Iy I I~~'I~'~4 4~S)t, I<<>I4-g7 I!'I'I~~I I~'I~I I)!I 1 I~\~Pq I]'-..~5.5 (!~P Ih I i~4 rl l')J'I i I~l'I 4 I'I)P.-4~" II!'4~'<<444~v<<l~~A<<re~~re~yves+II 4<<he k rrv L'<<clew~1<<v<<rr 4 4 I<<he<<<<<<r<<<< ~~4 HUMAN ENGINEERIIG CHECKLIST 95 TASK ANALYSIS EVALUATION GUIDELINE REl'.EVALUATION GUIDELINE 35.Frequently used controls and displays are near the center of the preferred visual and manual areas.Frequently used controls and displays are positioned so as to be easily identified. Functionally related controls and displays are grouped together when they are: o Used together to perform tasks related to a specific function.6.8.2.1 b.(i)6.8.2.1 b.(2)6.8.2.1 c.(1)42.Standardization is maintained where simulators or procedure trainers are used that simulate the actual operational equip-ment.'43.Simultaneous actuation of adjacent controls is possible.44.Horizontal rows of similar dis-plays are used instead of ver-'ical columns.SINGLE CONTROL AND DISPLAY PAIRS 6.8.2.4 6.8.3.1 Co 6.8.3.2 a.37.o Identical in.purpose.Components are arranged left-to-right and/or top-to-bottom and are in alphabetical or numerical order.6.8.2.1 c.(2)6.8.2.2 a.CDI-11 46.The direction of control/display movement is associated. 6.9.1.1 c.(2)CDI-7 45.Displays are associated with'.9.1.1 related controls.-'c'.(1)CDI-8 38.$9.f 41.l Components are arranged to match operator expectations. The layout of identicai control and display sets is consistent at all locations. Layouts of repeated functions are not mirror-imaged. Standardization is maintained'here similar functions or panels are located at several work stations or units and must be used by the same per-sonnel.6.8.2.2 b.6.8.2.3 ae CDI-15 6.8.2.3 b.CDI-16 6.8.2.4 aO CON-8 CDI-15 47.The operator is immediately aware of the rate and limits of control/display movement.49.50.Controls are centered on the'isplay.Controls are grouped in a,line or matrix.MLLTIPLE CONTROLS OR DISPLAYS 48.Controls are mounted below'he display.6.9.1.1 c.(3)CDI-.7 6.9.1.2'.(1)CDI-.11 ,6.9.1.2 a.(2)', ,6.9.1.2.a'(3) I~II j tr IJ(/t)A (%~I)l If\/J>rvs4%%4>%(1 %>>t I(sr(slre4>>4<<1>><<(rr eh<<<<J r~h%%<<lrr t%~tt~.".3~"-"r't,>I')"'l".=.'<"-<> rvshrhv<<s<<t %I t r r>>loAv tr%(tt'vrl<<~'\I>>'/(/>s vv(V'rvs<<<<4<<4 J<<h (V-te St>>VJ>I<<'h<<hr~'rrh>>. ~rr.%<<tetr%rh.tL ra'>>r~~C I V~r V r t t'%%V%v%h>>l 4 rfsssv v>>lr I<<htr r sl r~'Irs~%tv>>\h'~~r"tn)l I.'t'/Crt I.I",.'I~r'1 sass%<<%~<<I II p I~rrl%t<<tv<>>>v>>1 'tl Iv>>lv I I etwv%>>r<<h(%>>hf hr>><<tl~1~~~t<<A,<<r(>>ttt'.)~'I~/>>e~~)h.+pv.%~1%I pret,te p I~.r~~~:..Ii,<>C J,e~<<<t"I<<~~t~~I I S I~~I'I~~~~t.I 4/I/~I I'I~A>>"~I C.h tl s I~)%g3<<t"%/I'+r srr V\t t/)/<<%<<.rt(2 t$~sr>lr~(~/%4 I>>~\,/~I~1~I, Y v/4~'%%%>I II 4/tl~<<SV 1 I;));/'r\" t 4'S.'I I~/'I r~4~I t~l<<S%1./~I t>>I~1'~h I'.1"~v%6 I MS l I C,:I I I'r I r~It~i>>~C)1~IS I'8>I>>I I v r~~I/~h (\t~I f\)I I'~%~~,~~'t/~I't>>,I I~I<<I-'v~I I%'4>>~~I~3 tv~/I<</~vl h,~I~I>Jr 1 Vs, J ,)h,<<I I'<<r (~I J v I/I'%'~')~'l l e>>~I f'>~>>+%)I~rl~~\~4~I'I+~t S~~%>II)I~4~>>I r 4<<'I:((I~'I I->>;/,, f 1 I~4~>>I I~rv>~Pt 1~I~Jt<<(r>>sr>><<t e'(>>v<<e<<tet/4%*Jt>>t r*>>I I s,~.P.'..",.1- ~.).l'" (I/(~\)I)'1 1 vd~%<<ht>er r I ((>>I>>%<<1%>1%>>r I/~r I.I,).1~/'%~v<<%v<<%4~\)'S<<>t<</ts k<<rtl<<%%ver)4% ~4~~~r>>sr 4~vs,.t~~~4>v~~~~~AA v~ HUMAN ENGINEERIMG CHECKLIST 96 EVALUATION GUIDELINE REF.EVALUATION GUIDELINE 52.53.If not feasible to mount con-.trols directly below the dis-play, controls ars mounted to ths right of the display.Where there is a normal order of use, controls are arranged far use in.left-to-right, top-to-bottom, or other natural sequence.When techniques in (50)or (51)cannot be employed, layout enhancement techniques are employed-spacing, demarca-tion, color coding.,6.9.1.2 a.(4)6.9.1.2 a.(5)CD[-10 6.9.1.2 a.(6)CDI-13 59.When techniques (50)and (51)do not apply or a c/d relation-ship is not apparent,, layout enhancement techniques are employed (see 6.8.1.3).DISPLAY SELECTORS'0. 'The control moves clockwise from OFF through settings 1, 2~3-.n 61.The control position sequence conforms to the display sequence.6.9.1.2 b.(6)CDI-13=6.9D.2 c.(l)6.9.1.2 c.(2)CDI-8 SINGLE CONTR~MLLTIPLE DISPLAYS I 54.Displays are located above the control.6.9.1.2 b.(i)CD[-11 62.Multiple controls or displays.related to the same function.'re grouped together.63.Sequence of use is left-to-right, top-to-bottom. 6.9.2.1 CDI-8'6.9.'2.1.b.CDI-8 t 55.56.57.Controls are placed near the display and preferably under the center of the display array.Displays are arranged hori-zontally or in a matrix.If not feasible to mount dis-plays above the control, they are mounted to the left of the control.Where there is a normal order of use, displays will read from left-to-right, top-to-bottom, or in other natural sequence.6.9.1.2 b.(2)CON-1 6.9.1.2 b.(3)CON-1 6.9.1.2 b.(4).'6.9.1.2 b.(S)'CDI-10 SINGLE PANEL ARRANGEMENTS 64.Each display is located directly above its associated control.65.Display/control pairs are;arranged in rows.66.Each control occupies the same relativ'e position as the.'isplay to which.it is associated. 6.9.2.2.a.(1)CD[-3.0 6.9.'2.2'.(2).CD[-11'.9.2.2 b.(1) C t)(~C$y)Ft 4 f El'$34)el>>~0 4 3>>'rvevre>> ev 0 we r>>E I'4 0,;4>S I 404>>'>>RWV~re*~$0 3 Iv~44\4 C>>vre 44 w~.w, 4~',~rn>>er'>>0%'I reer>>~>>vr~" I 104 444~4 0 w I'0~4~ve rw Ewe W 1'I>>'4'IJI~Ee re~'.'r<, O'"I9~(<>>', 8 3"j le r~>>E~te 1 3 4"1>>ee)E"ew<</'w, P'k 3)4 44 44>>I H ev0 0~(j I We 4~(~Ir~l g t')~4 0 4 t"$~~I I 3 I)I I'.4 4~1 C~"~4 4 r~Ie (t)I 34 v>>+P 44'>>0~~3 3 rt.C>>l;;.'.i.80<'e ~$0 3,34~4 j 4 C,A CE>>~-~4 3>>4 rd'~')0>~4 v I I'l~~'O 4~,D~4'S>>~43 I 1 t 4 t I rwr~E 4"I3 t'\4'I ,E~51~I"., 4)I'~~~~'~0~t'1~I~~\4>>3>>~4 j r~'I'$~Ir~I rvr t'ei~4~4"COW~4 r Ml~~'I~'4~4 4~'I, 4'4~JII)I>>))~t 3 4f'~'3';)'I)JJE.IJIEte,e) ~,;t I I r'r,~"340 4 E 3 If 4 i'Ief 4 I 1 I 4 CE J 0 I~14~~>>>>I I\)'I 0 Ie>>J t j l'e*(>>4~J(3E I 4 4),~~3'4~I)E~00~4,)41~)~4+4~~4 4 0~'l 4~~0'l I~I 4\3~I~4 r w es 44 JM4>>re 0 I\r>>wrr 4>>E I a er I'v 4 444 h>>e 44 NIL%>>0~H~Ir>>e>>ee~Jr>>~~3 I 0>>0 0~~I 4>>~rvv 44~~ V HUMAN FNGlNEERIMG CHECKLIST 97 TASK ANALYSIS EVALUATION GUIQELINE EVALUATION GUIDEINE 67.Controls and displays have corresponding labels.MULTI-ROW DISPLAYS WITH SINGLE-ROW CONTROLS 68.Displays are ordered left-to-right, top-to-bottom, and matched to controls ordered left to right.69.Controls and displays have corresponding labels.CONSISTENCY 6.9.2.2-b.(2),.PA-32 6.9.2.2 c.(i)'DI-11 6.9.2.2 c.'(2)'A-32 'GENERAL MOVElvIENT RELATIONSHIPS 74.A clockwise turn of a rotary control results in its, associated linear scales';moving up or to the right.75.A clockwise turn of a rotary control results in its associated digital display to increase in value.76.A clockwise turn of a rotary control'esults in its.associated strings of indicator'lights moving from bottom to.top or from left to right.6.9.3.1 a.(1)CDI-1 6.9.3.1 a.(2)6.9.3.1 a.(3)70.71.12.73.Arrangement of functionally similar controls and displays conform throughout the con-trol room.Modular control/display pack-ages are selected and arranged to achieve maximum con-formity to 6.9.2.2 (a-d}.Where displays are on sepa-rated panels, they are pref-erably on the adjacent upper panel from their~associated controls.Related controls and displays are not located on separate panels that face each other.6.9.2.2 de 6.9.2.2 e.6.9.2.3 ae 6.9.2,3 b.77.A clockwise turn of a rotary control results in its associated circular meters moving clockwise. 78.Movement of a linear control up or to the right causes associated linear scales to move up to the right.79.Movement of a linear control up to the right causes associated digital display to increase in value.80.Movement of a linear control up to the right causes associated strings of indicator lights, to move from bottom to top or left to right.6.9.3.1 a.(4)CDI-1 6.9,3.1 b.(1)6.9.3.1 b.(2)6.9.3,1 b.(3)ON-SITE EVALUATION T R TED V 8((Etg et 1 re~>>1 eyv attt tppt+tt f I I'5 I pt, t grtq tt lg~t ttEaat 11 tat E 1 I E Ia 4441~aE~'14ttl et rat: I.Fl'r I E I I.rr>w IVI'A444 vA~I~4 4 4 0'to averwlrtarr w: avap I il tt t)t ,Iga>44>>tat>at vt,tagtrwv 4a.ata araatetea avrravavrer avatr>we>a>err voter>'I I a I ,I44 I Itv rEI atl t Pw 44 144w'reer>44 vp av QPIEa~traa vavleatwtvwavae' I>>.41 4 I I aww wv 4 w'Jr~Ie I 444 4 jht 4 vv apw ataaw I rr'I~Vretrpetv I~I'I , I>4<<*I~>~>4/'I))I j I t1 E t'I I I IE 4 rt E~Pr I'~(I t 4 tat>Iree w rrv vee ap>vva>t,raeeavr~ra N aw 1~tr 11'~E, t f 1 I I t t rr=~.I ar>>'a I I~V 4>f"~\~.t~I~~.~~~C.>VI'"I~,I Ir~4 I II t I~'t~'Ir>4 1 I 1 1 1/>>ra Ie'I~'lq v Il"I:\I I~4 vrew twv~1 perarer&rpa v!4~44 4 I~\0 1 v 1 jt vvra.I I;rett e It~I I I r'E't I'I tet 4"I~I t t,a 1 I.e I I~I E~'~4 E j~t I I I)E t I I y'~~~al 14 4~4 trp)~lra p rv~g~jtt',, w~$~f)p/,pe+ter+pa v p'I'apa I'~.I rs vt~ HUMAN ENGfNEERjMG CHEGKLlST 98 TASK ANALYSIS EVALUATION GUIDEINE.REt'.KVAI.UATIOM GUIDBINE RKl'.83.Controls provide easy and precise parameter control and are efficient and effective under all conditions. Displays provide a capability to distinguish significant levels of the system param-eter controlled Controls and displays have a precision which does not exceed that required.Printing on the display face is consistent with'rocedure nomenclature. 6.9.3.2 a.6.9.3.2 b.6.9.3.2 Co 6.5.1.4 e.PA-63 ON-SXTE EVALUATION 9 OPERATOR ASSISTED EVALUAT'ION JIC~t j',,W~i.-.t~ r~: '.f f;-~>>.I~)A't->>~~ 'tfP g'>>~4'".)f p.t i', Pr 1 za atts>>lb tr C I I~eCI 4 I tr a sr 4t Jtteatt%4445CJJJfh& QQ, I 44/+fl re rsrrast'ar I,a r~rr 1~artstrUuwre arras trsasrt Atwr tr~.Jsa a'r)1 t.Is+f, I'td f~ss~~test~l re Ji srr scrssP'JIXVft f trams'ttz'~z 1st I~II%%rt 11'~rrrr rlrtt"'rrt trt WrrrreasiS 'ISJ artr ff~f,)~f.s I 9<<r I P~.~11~I~~C" (F'-'J'~'I~at I, sf 1.safe'l jjt II l-~~t Q~etsrssz Ir'wz--J~1 I sta I gs 1 1~Er r~te~araarra s rr I'l a rraaealar tf lf~zstcz~m)srtrs rr.~mr~me-:~<<tr1.s 1: wtsrarttzz-It~tsrssae>> .~J.rs.tt z ess: t'.kreis 0'I~r,t It~s~Ca I rs 8 J)~J I a'lysi I e~lP~C<f." Ja.v~tte~I r~1'es<<JJ I IJ~trra J~rst>>w=~~0 1'I (c jtCez 1 tat.,ti~.-res r 1st~~Irr J p la w 4&~~A slat JI~I~I I 11 I~C (t Ct Js rt"C5 lS;:."J l'$;::)'~~~I rr~~la~AJI~')Q g~,'l rtl)'r O'~~I>>1 g I l'P t l~~1 a~\~I I aA,S>>P~~C,;rt g P gl g(f)1,)JP ft 11~II a e~I~~~~~r~~~~II I~~II~~~~~I~1~~~~~~~~~~~~I I~~~~~I)~~~~a f I 1 t*.,.1 Q.'i f fl 1~pr'rt'ff 1 II q ii)['..':"!f~~I.<.'3K C!fit ,r Its~l I~aJ~Ja~J QI J z tl II~t'~I~I el'C I~4rz 1 aC t~'gp, tat f C~~<<J t,.r I~f la ll 1",)CCL.'I* s kl~c cl t~~,~~'-*-'~tl Js tr 1<>.r.ps~rt'1 f rtr tl~.".f'7':.~6".~(1~~1~t C.I 5~" z" e~\.~I~r J)~$,~I l tt~~10>>qg JJ~ter,rr I~IS ter%rr~~te 1 1~~rz-zz z ttsrsrazstJ as~~aa 1 lr 11 ms r~'1 rrs I rr.I ee z stre I't er srt tera H>>~1 r sir ar atar rrr I~q I Jftz I R sr s tr rr/'rmr Pf. HUMAN ENGfIEERfla CHECKl.lST 99,WALK-THROUGH EVALUATION GUIDELINE REF." EVALUATION GUIDELINE 20 e 7.8.When continuous monitoring or the timing of control actions are critical, operators do not have to leave the primary operating area.Control room manning and task assignments ensure com-piete and timely coverage of controls, displays,. and other equipment during plant opera-tion.6.1.1.1 b..6.1.1.2 ao Activities and task assign-ments are planned to ensure proper coordination of additional personnel who augment the normal crew.Control room arrangement minimizes interference between members of the operational crew.Potential task.loading is evaluated to ensure that every unit can be covered ade-quately in all situations. Controls are easily adjusted with'he required level of precision. 6.1.1.2 b..6.1.1 3 d.(2)'.1.3.1 Co 6.4.1.1 a.(2)Each control is the type nor-mally anticipated for the operation concerned. 6.4.1.1 c.(2)Duplication of controls not 6 4.1.1 occur, except for a specific b.(2)reason.9.10.12.13.14.15.16.Controls and displays are assigned to work stations so as to minimize operator move-ment.Control actuation does not result in inadvertent actuation of an adjacent control.A visual display that is moni-tored during control manipula-tion is located sufficiently close so an operator can read it,clearly and without parallax from a normal operating posture.Controls and displays are located so that displays are not obscured during control operation. Displays are not obscured by manipulation. There is no lag time between system condition change and display indication. When there is a time lag between control actuation and ultimate system state, there is an immediate feedback indica-tion of the process and direction or parameter change.Feedback from the display is apparent for any deliberate movement of a control.6.8.1.1 aO CDI-8 6.8.3.1 b.CON-1 6.9.1.1 a.CDI-8 6.9.1.1 b.CDI-10 6.9.1.2 b.(7)CDI-11 6.9.3.1 c.(1)6.9.3.1 c.(2)6.9.3.2 d. 0(:>>>>>>~~>>>>a>>w e<<~~>>'io'y>>Ago Mu>>p~aoaoaw+leva<<.'>>"~O P~~I" l~jar St>Q)AIUJ~'.9Imlj.~iv~ 4~'l>>4 uA Aw~Q+~4'0 vo>>o>>oo sw~w>>~14~(o>>c'j 4.J i IL'4 II I L.X.B.b oc B-IQD ozc syafqsfb bns afolsno'3 a ot.cnafScSc Qlov.oS benpfaoc 0vom'lose'Ieqo GKJrninlrn OS oSrlenl>>L.L.E.b'(>>ll>>4 (~~g(>>cl'l>>lgo iform>>>>, (lawq~J naSc"qc.,),':."j7t";r,FI J(p 9$" QVS'>>489'P: X,Z.S.b od CL-NOD r.L49.b oO S-IQD Loci 4moob QL-IQD;S.r.Q.b I (r>d LL-IGD i LZA'.b!I (L>.o i l L.KP.b I (R).3, son@cob noissusos lo".snot AoJSouSos Sn(Ssevbani.Ai Slut.es.JolSrroo Snooctbs Ac'to-lnonl sf SarlS yafqefb lcu Jv A-cfuqincrn folSAo3 pnhub baaoS yfsnafoIBus baScoof af noiS br!9>na3 aoSsleqo Aa os omofo xcffclcq SvorUi(tv bnc yhaefo Sf pnrSclaqo Jcmaon c Alo@.cluS"aq~ls oyafcl:fb bna efoaSAoD 9".c cgr3J g'fb SG'0 o" bcScoof Jo<nao pnhub baavoado Son.AoiScasqo yd beauo"do Son sac cyafqufQ.AofSsfuqfncm Ae3vvSed emiS pcf on af slorF bnc conan'3 AoiSfbna3 maSaya.AoJSsoibnf yafcp Jb gCJ anliS C ai ecerIS rlerIW bnc noiSsuS3s JoaSAoo AssmSad cf elerIS,9SsSa fnsSaye 9SsmJSlu-cofbnr Asdbegl eScibammi nn bnc caoooaq erIS To noiS asSamclcq ao noiSoelfb~Qpncrf3~Of.cr I.&L R.L.L.(~~r ll)r ks Q>>>>lff ansfr r>>tk'3'o Aloo 9'lusrlJ GSrie>>>Aplr."f: 'io sps'.svc;3 yfemi." bnc;..., ver',SO bAC,Cyioiq. Jb,a!Oa.>>-SzeqO SACJq nnfaub Snenlqir~' r}, R.X.L.b 64L4Lob~S fl~rrloJpgpglC (>)ob cone'ggmtleSnl 9PA'IO sir.L.~.L.b'3 cJ pnfbco" gasVo SofIS-ebs ba"..~-ocn(r>>.L.L.<.b: bsSautbs (s'..L.L.4.b>Son dos'rr." (2'4d I oj)f39'" 8-npf-cc ksS)~Ac ae.'1;";",.l ezucna oS b:;A,;;.c Yo noJScnioi, Offset!JGAAO'"6'"'rl'"-'vt 3/3 Jf f Z.CA.b I.b ci ya!qvfb vriS rnol'I 93odbe93 aSa;edff3b <Ac lo)Snalaqqs.Jo;Snao c'to Snemovom.bL t L.L.tti.b';(R).3 (50A CqgS Qi GrIS ao>b;~:r.~.,:.";,<< oben993>>l~3 f>>=.."5r'HQE 4 hvo atw i Pg A~Il%~~l>>~~>>~~~%~'ao s~~ow s osas>>sr+>>>>v HUMAN ENGINEERlNG CHECKllST 100 WALK-.THROOGH EVALUATlON GUlDELllIlE REF.EVALUATlOI GUlDELlNE REl'.~Redundancy in the presentation of information is limited to cases where needed for backup-.or to avoid excessive operator movement.6.5.1.1 d.VD-2 VD-6 I,e, AD%'Dh'FOP h OCT c'PT'9%'%7hT fTh'PThM I tI , j l I j I+'", j I I'(I,'I jI>>'jj I.jt j"jlj,',I',,', l,<<,'i'g,,',j JQ'JI,Ij IL)'--,I'",'i'j'j Lli,aÃ<j,," I i'.IJ I I II I!I!jI'-I'-r j~~Q k~/'II jl ii Ij tl II I k I[ij$i I C}}
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