ML20083M547
| ML20083M547 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 02/27/1984 |
| From: | HOUSTON LIGHTING & POWER CO. |
| To: | |
| Shared Package | |
| ML20083M504 | List: |
| References | |
| NUDOCS 8404180196 | |
| Download: ML20083M547 (166) | |
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REVISION 0 m
February 27, 1984 i
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Executive Summary
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PDR The SouthTexas Project c'
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REVISION LOG.
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L Revision Pages No Date Description Affecteo 1
0 1/30/84 Initial Issue i
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EXECUTIVE SUMM ARY REPORT TABLE OF CONTENTS Section Title M
REVISION LOG i
TABLE OF CONTENTS ii LIST OF FIGURES iv APPEN DICES vi
' ACRONYMS AND ABBREVIATIONb vil
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SUMMARY
x PREFACE xiv ACKNOWLEDGEMENTS xx
1.0 INTRODUCTION
1-1 1.1
GENERAL COMMENT
S 1 -1 1.2 CRDR PURPOSE AND OBJECTIVES 1-2 1.3 PLANT DESCRIPTION 1-3 1.4 DEFINITION OF CONTROL ROOM l-3 2.0 CRDR PLAN, METHODOLOGY AND RESULTS 2-1 2.1 PLANNING 2-1 2.2 REVIEW 2-2 2.3 METilODOLOGY 2-3 1
3.0 CRDR ASSESSMENT AND IMPLEMENTATION 3-1
3.1 ASSESSMENT
RESULTS 3-2 3.2
SUMMARY
OF REMAINING WORK 3-6 I
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EXECUTIVE
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TABLE OF CONTENTS I
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4.0 CRDR NRC lh-PROGREb5 AUDIT REVIEW 4-1
4.1 BACKGROUND
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4.2 AUDIT CONMENTS AND HL&P RESPONSES 4-2 5.0 SCHEDULE 5-1 5.1 COLD HYDRO 5-1 5.2 ENERGIZATION 5-2 g
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EXECUTIVE SUMM ARY REPORT TABLE OF CONTENTS l
LET OF FIGURES Figure Title Page S-1 SOUTil TEXAS PROJECT AT BECilTEL-ilOUSTON OFFICE xviii P-1 STP CRDR MAJOR REPORTS xix l-1 RELATIONSHIP OF NUREG 0660 TASK ACTION ITEMS 1-4 1-2 ARTIST'S RENDITION OF STP PLANT l-5 1-3 CONTROL ROOM LAYOUT 1-6 2-1 OVERVIEW OF CRDR PROCESSES 2-23 2-2 OVERVIEW OF CRDR ORGANIZATION 2-24 2-3 PROGRAM TASK ORGANIZATION 2-25 2-4 DEMARCATION STUDY PANELS 2-26 3-1 ASSESSMENT AND IMPLEMENTATION METliODOLOGY 3-10 3-2 SELECTION OF llEDs TO BE ANALYZED FOR CORRECTION 3-11 3-3 SELECTION OF DESIGN IMPROVEMENTS 3-12 3-4 GilECKLIST OBSERVATION PROCESS 3-13 3-5 CllECKLIST OBSERVATION 3-14 3-6 ZONE MARKING EXAMPLE 3-15 4-1 NRC AUDIT TEAM AT STP MOCK-UP 4-40 4-2 FUNCTIONAL ALLOCATION FOR PANELS CP-001,002, AND 003 4-41 4-3 FUNCTIONAL ALLOCATION FOR PANELS CP-004,005, AND 006 4-42 4-4 FUNCTIONAL ALLOCATION FOR PANELS CP-007 - CP-010 4-43 4-5 OPERATOR CONSOLE 4-44 4-6 AUXILIARY CONSOLE 4-45 4-7 IIVAC PANEL MOCK-UP 4-46 4-8 RECORDER PANEL MOCK-UP 4-47 4-9 AUXILIARY SilUTDOWN PANEL MOCK-UP 4-48 4-10 EQUIPMENT LIST, CP-001, PAGE 8 4-49 b
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REPORT TABLE OF CONTENTS LIST OF FIGURES Figure Title M
4-11 EQUIPMENT LIST, CP-002, PAGE 13 4-50 4-12 EQUIPMENT LIST, CP-006, PAGE 145 4-51 4-13 SWITCli DEVELOPMENT 4-52 4-14 FORMATTED SFTA FORM LISTING REQUIRED PANEL EQUIPMENT 4-53 4-15 OPERATIONAL SEQUENCE DIAGRAM 4-54 4-16 FORMAT FOR OER VALIDATION 4-55
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REPORT TABLE OF CONTENTS APPENDICES Appendix Title A
CATEGORY A HED DISPOSITIONS B
CATEGORY B HED DISPOSITIONS C
LIST OF DEVIATIONS FROM THE CRITERIA REPORT GUIDELINES WITH JUSTIFICATIONS D
LIST OF CLO/HEDs VS CRS REPORT VOLUME AND PAGE NUMBER I
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EXECUTIV$ SUMM ARY REPORT TAbbE OF CONTENTS ACRONYMS AND ABBREVIAT10h8 ARO Auxiliary Reactor Operator ASSOC Associated
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ASST Assistant AUX Auxiliary CAT Category CLO Checklist Observation CONT Control CR Control Room CRDR Control Room Design Review
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CRT Cathode Ray Tube CVCS Chemical Vol'ume Control System EES Emergency Event Sequences EOF Emergency Operating Facility EOP Emergency Operating Procecure(s)
EPRI Electric Power Research Institute ESF Engineereo Safety Feature (s)
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EST Estimate (c)
EXPER Experience FW Feedwater llE 11uman Engineering IIED
.Iluman Engineering Discrepancy 1111SI liigh llead Safety Injection
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llPSI Iligh Pressure Safety injection I&C Instruments and Controls
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INPO Institute of Nuclear Power Operators INSTR Instrument LDR Leader 5.5/02234 3747W/0112W
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g EXECUTIVE SUMM ARY REPORT TABLE OF CONTENTS ACRONYMS AND ABBREVIATIONS (Ccnt.)
LHSI Iow Head Safety Injection LOCA Loss of Coolant Accident LOSP Loss of Offsite (AC) Power LPSI Low Pressure Safety injection LR01 Licensed Reactor Operator #1 LR02 Licensed Reactor Operator #2 M/M Man / Machine MCP Main Control Panel MON Monitor MSR Moisture Separator Reheater MT Management Team M W(e)
Megawatts (electric)
NOS Numbers NRC Nuclear Regulatory Commission OERT Operating Experience Review Task Group OSC Operational Support Center PORV Power Operated Relief Valve PRT Project Review Team PSAR Preliminary Safety Analysis Report RAS Recirculation Actuation Signal PZR Pressurizer RCB Reactor Containment Building RCP Reactor Coolant Pump RCS Reactor Coolant System RECIRC Recirculating a
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EXECUTIVE SUMM AkY REPORT TABLE OF CONTENTS ACRONYMS AND ABBREVIATIONS (Cont.)
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RilR Residual lleat Removal RO Reactor Operator
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RWST Refueling Water Storage Tank RX Reactor SBCS Stanoby Cooling System SFTA System Function and Task Analysis SG Steam Generator j
SIS Safety Injection System SOE Selected Operational Event (s) l
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SPDS Safety Parameter Display System SRO Senior Reactor Operator SS Subsystem STAT Systems Task Analysis Team SUPVR Supervisor SW Switch SYS System
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'lhree-Mile Island TSC Technical Support Center
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SUMMARY
I This report summarizes the results of the detailed Control Room Design Review (CRDR) of the South Texas Project Nuclear Power Generation Station and addresses NRC audit comments noted in the NRC letter to Mr. J.11. Goldberg dated October 31,1983 (Docket Nos. 50-498 and 499).
'lhis CRDR was initiated to address the NRC identifieo control room design problems following its investingations of the 'Ihree Mile Island accident; namely:
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Non-compliance of control facilities with human factors principles.
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Defleiencies in information and controls available to plant operators.
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Inacequate operating proceoures.
This program is based on an overall liL&P plan to integrate the following pertinent TMI action plan (NUREG-0660) andf NUREG-0737 Supplement I related activities.
1.
Implementation of a safety parameter display system (SPDS) 2.
Implementation of Regulatory Guide 1.97 instrumentation for minimizing risk to plant safety I
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Implementation of instrumentation to monitor critical parameters following an accident (post-accident monitors) i I
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Training to enhance coping with emergencies 5.
Development of symptom-based emergency operating procecures (EOPs),
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Design of emergency response facilities.
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This review was performed by a multi-discipline consortium of specialists from Houston Lighting & Power Company, Bechtel Energy Corporation and Torrey Pines Technology.
This review was initiated in September 1982, and will be on-going until the Unit 1 Control Room becomes operational. He control room for Unit 2 is planned to be identical to Unit 1, which was reviewed. Any differences will be reviewed using human factors guidelines to assure the same quality as the Unit I control room.
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Re program was conducted in compliance with NUREG-0700 as defined in the Program Plan submitted by IIL&P to the NRC on October 11, 1982. The principal working tools for
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this program were the full scale mock up of the control room, Figure S-1, located in the Bechtel engineering office in Houston, Texas and the plant simulator located at the Gould Simulator facility, at Long Islano.
'lhe CRDR and design evolutions (TMI requirements) resulteo in major revisions of the l
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panel layouts, cesign features, and a series of special studies to effect major control room design changes consistent with NUREG-0700 guidelines.
The program made extensive use of operations and training personnel in the data collection phase, panel relayout work, enhancement phase, particularly the major stuales (annunciator, demarcation and hierarchiallabeling), and in the final validation phases.
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l The two meetings with the NRC, reviewing the Program Plan and the in-process aucit conducted at the mockup, were very useful in the overall conduct of the program and in particular to the many task efforts to resolve disrepencies that were of major concern.
The principal elements of the human factors program developed the following major discrepancies and recommmended actions:
1 1.
Major panel relayouts as a result of the system function and task analysis, control room survey, design evolutions and Reg.
Guide 1.97 implementation.
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Major mocifications of the annunciator design as a result of the control room survey and the annunciator study prograin.
3.
Addition of hierarchial labeling and extensive revision of incivicual nameplates.
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Changeover of many switches to effect continuity with plant design conventions.
5.
Removal of many panel devices from the prime panel locations by relocation on back panels or elimination altogether.
I 6.
A panel surface paint technique (color pads) to show the association of panel devices in a system or subsystem resulted from a demarcation study. 'Ihis study resulted in a change of the basic panel background color from seamist green to belge.
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'1!mely application of human factor engineering to the cesign of the control room operator work stations.
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A logical development of CRT and plasma displays to complement the symptom-based emergency operating procedures.
%e criteria report lists 816 guidelines in the nine NUREG-0700 topical subjects. The review of the ten main control room panels, the HVAC and recorder back panels ano the
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auxiliary shutdown panel showed that 441 of these guidelines were assessed as Human l
Engineering Discrepancies (HEDs) as follows:
l Category A (Safety Consequences)- 45 l
Category B (Availability Enchancement)- 323 l
Category C (Reliability Enhancement)- 20 Category D (Minor)- 53 Total - 441
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Dere were 55 Category E (review of item delayed until control room is operational) generic guidelines that require an operational control room for evaluation. Rese will be completed when the Unit I control rcom becomes operational.
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PREFACE Be control room design review (CRDR) of the South Texas Project (STP) Nuclear Generating Station was started in September 1982. This review is being performed by Torrey Pines Technology for Houston Lighting & Power Company (HL&P) with Bechtel Energy Corporation (Bechtel) acting as agent.
De program plan was presented to the NRC at the STP mock-up in October 1982. The basic review work for operator experience review, system function and task analysis and control room survey was completed in October 1982. In November 1982 the management team put a hold on CRDR activities, and authorized a cesign study to correct mounting evolutionary engineering changes and discrepancies with the NUREG 0700 guidelines.
In November 1982, a decision was made by HIAP to completely relayout six panels and upgrace the four remaining main control panels baseo on the design stucy. Bis redesign effort was required to accommodate design changes resulting from plant design evolution and Reg. Guide 1.97 requirements and to correct discrepancies with NUREG 0700. In December 1982 the management team selected one of five alternatives studied for design implementation.
The mock-up was revised considering the 441 identifiec HEDs and evolutionary engineering changes. As the Bechtel layout engineers advanced the layouts of the 10 panels, Torrey Pines Technology engineers reviewed the rework for correction of known discrepancies and compliance with good human factor principals. He redesign effort on the main control panels was completed in April 1983. The NRC performed an in progress audit in May 1983 after which the panel vendor was provided with firm layout drawings.
He NRC audit comments required the addition of several special studies to those already in progress, i.e., demarcation, and hierarchial labeling. De most significant addition was the evaluation of specified parameters which resulteo in a net reduction of 51 panel meters. The extensive relayout required a repeat of the System Function and Task u
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Analysis with verification and walk-through/ talk-through validation. Likewise a specially
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structured control room review and human factors review of the corrective measures for all Category "A" and representative Category "B" discrepencies were performed. The y
L demarcation and hierarchial labeling studies resulted in continued upgrading of the mock-up. The completion of the panel relayout allowed the redesign of the annunciator
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system consistent with the relocations of many systems and subsystems, and a reduction.
of active windows from 1055 to 642.
'Ihe documentation for this program was necessarily extensive in view of its design development nature.
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Documentation describing the work performed during the CRDR is summarized below and L
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Program Plan -Defines the plan for performing the CRDR.
2.
Criteria Report - Provides the detailed guidelines and basis for the CRDR and describes the interface between the control room ano plant systems.
This report also incluces review precedures, plant conventions and Human Factors data developed during the CRDR that will facilitate future control room modifications.
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Operating Experience Review (OER) Report - Describes the operations personnel review process results, conclusions and recommendations of this task defined in the Program Plan.
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System Function and 'Iask Analysis (SFTA) Report - Describes the methodology, results, conclusions and recommendations for this 5FTA
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effort defined in the Program Plan.
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Control Room Survey' (CRS) Report - Describes the review process, results, conclusions anc recommendations of this task defined in the Program Plan. This report also includes the final results and dispositions for the human factor observations obtainea from the OER and the SFTA.
6.
Annunciator Report - Describes the review process, results, conclusions and recommendations of the annunciator review task defined in the Program Plan, and the annunciator study guide.
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Special Studies Report - Describes details of miscellaneous studies performed as part of the CRDR. This includes the anthropometric study, the hierarchial labeling study, the demarcation study, evaluation of specified parameters and many minor studies to resolve NRC audit g
comments.
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Implementation Plan Report - Summarizes the control panel design changes resulting from the implementation of Reg. Guide 1.97 requirements, engineering design requirements and preliminary observation of the CRDR design review team. It describes the reasons for major changes to the control panellayouts.
9.
SFTA Validation Report -Summarizes the second review required because of the extensive revisions made to the control panel layouts una also includes walk-through/ talk-through exercises performed in the mock-up area.
10.
OER Validation Report - Summarizes the review made by operators to determine if the redesigned panels corrected reported operator concerns and evaluated if any new problems were created as a result of the corrective measures taken.
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- 11. CRS Validation Report - Summarizes the review made to determine if the Category A and representative samples of the Category B IIEDS were satisfactorily corrected and if any new problems were created.
- 12. Executive Summary - Summarizes the CRDR results, conclusions and
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recommendations. Technical details are in the Operating Experience Review Report, the System Function and Task Analysis Report, the Annunciator
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Report, the Control Room Survey Report, the Special Studies Report, the implementation Plan Report and various Validation reports.
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STP CRDR MAJOR REPORTS Figure P 1
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ACKNOWLEDGEMENTS The following individuals are acknowlecged for their participation in this program:
llOUSTON LIGilTING & POWER COMPANY o
Plant Operators and Training Ken Christian Joel L. Colston Stan Eldridge Gary R. IIelgeson Robert D. Neil Del Ruthven John Tedens g,
o Management Team Stephen M. Dew Jerold G. Dewease M. G. (Jimmy) Zaalouk Warren 11. Kinsey Jr.
o Project Review Team Gary R. Helgeson Peter VanceVisse i
UECllTEL ENEltGY COltPOltATION I
o Management Team Allen P. Caine o
Project Review Team Mary B. Moreton
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Design Review and Technical Task Team 7
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Tim Walsh o
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Jay Coberley Rod Cooper
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o Annunciator Study Chuck Pola
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Bill Edwards
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WESTINGilOUSE ELECTRIC CORPORATION
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Frank Bursic l
l Ren Slavey TORitEY PINES TECilNOLOGY William R. Arnold Danna Beith
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Rick Bolig Jerry M. Childs l
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Errol P. Gagnon Sal F. Luna George J. Malek Richard C. Potter Raymond Sabeh
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llobert 11. Sturtevant Fred W. Todd
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1.0 INTRODUCTION
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1.1
GENERAL COMMENT
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The South Texas Project Control Room Design lieview has procecaed as far as possible without(the use of an operational control room. This report covers activities from this
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program initiated in September l$82 t,hrough February 1984.
De review was conducted as described in the Program Plan and expanded to include I
L activities normally handled in post CRDR programs. The motivation f$c this expanaed s
activity was to incorporate the identified changes in the controi board manufacturing h
cycle. This will provide a product consistent with NUREG-0700 guidelines.
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Ec program represents a vigorous effort to comply with NUREG-0700, NUREG-0801 and implements to related program integration recommended in Generic Letter 82-33
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(Supplement I to NUREG 0737). The following were considered throughout the program:
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Design control room modifications that correct egnditions aaverse to
' safety (reduce significant contributions to risk), and add instrumentation
, 'necessary to ipplement Regulatory Guide 1.97.
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The use of Westinghouse Owners group producca' uymptom-baseo
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B;aergency Respons7 Guidelines.
Trhining to enhance coping with emergencies.
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14RC program plan revie^W in' critirul room auhit c' omments.
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In proces5' integration of NUltEG 0737 Supplement I related programs 5.
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such as: dPDS, Regulatory Guide 1.97, EOPs, trainin'g and emergency
.,e response facilities.
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Figure 1-1 is a block diagram showing the relationship of the NUREG-0660 Task Action g
items fil2kP is addressing, u
1.2 CRDR PURPOSE AND OBJECTIVES The purpose of this CRDR is to identify and implement control room design improvements that offer high probability for meeting plant safety and availability objectives. The following are the objectives of the program:
1.
Determine that the control room provides the system status information, control capabilities, feedback, and analytical aids necessary for control room operators to effectively accomplish their functions, i
2.
Identify characteristics of the existing control room instrumentation, i
controls, and physical arrangements that may impact optimum operator performance.
3.
Analyze and evaluate potential problems as identified in this review.
4.
Define and put into effect a plan of action that applies additional human factors principles to enhance cperator effectiveness. Particular emphasis is placed on improvements affecting control room design and operator performance under abnormal or emergency conditions.
5.
Integrate the CRDR review with other areas of human factors inquiries identified in the NRC Task Action Plan (Generic Letter 82-33/NUREG-0737, Supplement 1).
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1.3 PLANT DESCRIPTION The South Texas Project (STP) is currently under construction in south-central Matagorda County on a site 89 miles southwest of liouston, Texas (see Figure 1-2). 13echtel is the
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architect / engineer and Ebasco is the constructor. De station will consist of two 1250-Mh(c)(nominal) units. Each unit is powered by a hestinghouse Electric Corporation
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nuclear steam supply system consisting of a four-loop, pressurizeo water reactor and supporting auxiliary systems.
De basic power cor. version unit is also furnished by h estinghouse.
Each turbine-generator is an 1800 rpm tandem compound unit and is furnished with
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electrohydraulic controls. Commercial operation for Units 1 and 2 is scheouled for June 1987 and June 1989, respectively.
1.4 DEFINITION OF CONTROL ROOM The STP Control Room is defined as area panels CP-001 through CP-010 in the central control room, including new panels CP-018 and CP-022 Qocated behind panels CP-001, CP-002 and CP-003), and the auxiliary shutdown panel. Figure 1-3 illustrates ue layout in the central control room. The Unit I and 2 control rooms are essentially identical. See
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the SFTA report for a listing of all systems ar.d subsystems locatec in these panels.
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2.0 CONTROL ROOM DESIGN ItEVIEW PLAN, METilODOLOGY AND itESULTS l
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' The overview of the CRDit process is shown in Figure 2-1, which is a copy of Exhibit 3-1 of NUllEG-0700.
F L
2.1 PLANNING E
flouston Lighting & Power organized a management team to guide, monitor and implement this program. %e overall review structure is shown in Figure 2-2.
Qualification of the participants is included in the program plan. The management team made provisions for designated alternates to key positions. We functions of this team
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corresponded to those recommended for Management in NUltEG-0700 as follows:
E 1.
Assure proper relationships and awareness between this project and other NUREG-0660 efforts, b
Assign key management and Project Review Team personnel (see Figure 2.
2 -2).
b 3.
Approve cetail Program Plan.
FL 4.
Provide resources required to carry out the program plan.
f 5.
Identify and assure that plant operational constraints and project requirements are properly coordinated.
l G.
Monitor CRDR progress.
7.
Review and approve control room improvement recommendations.
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8.
Establish and initiate the control room improvement program, r~
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The management team gave consideration to the advantages and disadvantages of performing the CRDR prior to completion of operating procedures, training, and construction of the control room complex. The decision to proceed with the review was based on the advantage of identifying major departures from good human factors design, if any, of the control panels prior to completion of manufacture. This would minimize negative transfer and retraining problems. To facilitate this review, project management authorized the construction of a full scale, realistic mock-up and provided facilities for an extensive review by human factors ano systems specialists at the Bechtel-liouston engineering offices with the reviewers performing most phases of their tasks in the vicinity of the mock-up.
2.2 REVIEW l
The review phase was the investigative phase. 'Ihis effort was organized into specialty task groups per Figure 2-3. Specialized personnel were selected as required for each task group from IIL&P, Bechtel, and Torrey Pines Technology. Approximately 25 engineers and key operations personnel participated in the detailed reviews and evaluations of the g
task groups.
u The following types of personnel were included:
1.
System design and analysis engineers 2.
Iluman factors consultants 3.
Control board designers l
ll 4.
Instrumentation ano control engineers 5.
Computer engineer 6.
Plant operators 5.5/02234 2-2
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Licensing engineer 2.3 METilODOLOGY 2.3.1 Criteria Report
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The Design Review and Technical Task Team preparea control room design ano review criteria that was presented in the Criteria Report. This report stresses the human factors considerations and requirements for the control room design. This cocument describes the
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function of the control room and plant systems related to external communications. It also addresses one of the major post-TMI concerns: the systems and human factors
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features for Annunciator / Computer /ESF Status Monitor interfaces relative to prioritization, consistency, and overall integration.
The following topics are included in this document:
1.
Introduction
{
2.
General
{
3.
Control Room Layout anc Features 4.
Main Control Panels and Auxiliary Shutdown Panel Layouts and Features 5.
tiuman Factors Guicelines (plant specific adaptations of NUREG-0700,
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Section 6, guidelines not covered in other major topics)
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6.
Communications Criteria 7.
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Control Room Annunciation Features
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l 8.
Post-Accident Monitoring Features 9.
Bypasseo and Inoperable Status Features 10.
Safety Parameter Display System Features 11.
Plant Computer Features 12.
References This document also includes the following appendicies:
1.
Anthropometric and Workspace Design Guidelines for Stano-up Consoles, Sit-Down Consoles, Sit-Stand Work Stations, and Vertical Panels 2.
Guidelines for Ccntrol Room Desks and Chairs 3.
Guidelines for Emergency Equipment Used by Control Itoom Operators 4.
Control Room Environment Guidelines 5.
Guidelines Specific to Pushbuttons, Rotary Controls, and Joysticks 6.
Visual Displays General Guidelines
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7.
Meter Displays Guidelines 8.
Indicator Lights Guidelines 9.
Graphic Recorders Guidelines
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10.
Guidelines Specific to Drum-Type Counter Displays q
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11.
Guidelines Specific to Electronic Counter Displays 12.
Standard Abbreviations List for all STP Labeling 13.
Label Lettering Guidelines 14.
Location Aids Guidelines 15.
Process Computer Guidelines 16.
Guidelines Pertaining to Keyboards, Function Controls, Computer
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Response Times, and Access Aids 17.
Computer Response Times, and Access Aids 18.
Guidelines Specific to CRT Displays 19.
Printers Guidelines 20.
Guidelines for the Use of Color in Control Room Design 21.
Guidelines for Applying IIFE Principals to CR Changes 22.
Demarcation Study Guide
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23.
Labeling Design Guide
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The criteria were developed considering:
1.
Those human factors engineering practices that have general industry a'eceptance and have resulted in proven performance.
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2.
Pertinent NUREG documents and Regulatory Guides, h
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1 3.
Established criteria from general industry, EPRI, INPO, government sources, lilA P, Westinghouse, and Bechtel standards and practices.
g 4.
Current plant systems and operations requirements.
5.
Firm human factors-related criteria stated by suppliers of major equipment and systems.
2.3.2 Operating Experience Review The operating experience review task team (OERT) reviewed pertinent operating experience documents and conducted a survey of control room operations personnel. In addition to typical human factors operator concerns, the OERT emphasized systems operability. It received valuable input for use by the other task groups, particularly the Systems Task Analysis Team (STAT). Specific attention was placed on those normal plant procedures that experienced operators identified as having the greatest potential for human factors engineering enhancements. 'Ihis information was used in the selection process for those events that were analyzed by the STAT.
E A special meeting was held to review the methodology used in the preparation of operating procedures. Sample procedures were reviewed and comments submitted to the operations department.
The OERT:
1.
Reviewed, with key operations and training personnel, the pertinent information on training, assigned duties, anticipated work scheduling, a walk through of a generic operating procedure which was completed for general oparator orientation prior to the OER, and the availability of the various classes of operations personnel 5.5/02234 2-6 3867h/0112W
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HOUSTON CONTROL ROOM LIGHTING DESIGN REVIEW
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2.
Prepared questionnaires and interview forms (See OER Report) which were reviewed by the Project Review Team and completed by operations
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personnel 3.
Evaluated the responses to the questionnaires 4.
Interviewed plant personnel 5.
Evaluated the interview results and included them in the OER report E
i 6.
Prepared an OER report.
The following NUREG-0700 topics were included in this OER:
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1.
Workspace layout and environment 2.
Panel design
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3.
Annunciator warning system l
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4.
Communications
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5.
Process computers 6.
Corrective and preventive maintenance i
4 7.
Procedures 8.
Staffing and job design 9.
Training
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The following summarizes the items identified by plant operations as areas of concern:
1.
Work Space I
o Instruments too high on panel j
o Annunciators and status lights hara to reaa o
Itecorders hard to reach for maintenance 2.
Controls o
Wide variety of controls not functionally grouped o
Some controls difficult to identify and reach o
Inconsistent or illogical arrangement o
Excessive operator movement requirca to address controls o
Nonstandard usage of controls 3.
Need prioritizing in arrangement Layout inconsistent or poor functional arrangement o
o Tile engraving inconsistent, not clear and hard to read o
Permissives need auditory tone o
Poor location and arrangement of alarm switches Many alarms not required on main panel and/or on any panel o
o No first out alarms 4.
Labels and Location Aids o
inconsistent with plant documentation o
Poor message content 1
o Lack of hierarchiallabels o
Lack of system ano subsystem demarcation 5.5/02234 2-8 3867h/Oll2W
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5.
Panel Layout / Integration l
Illogical and nonfunctional groupings o
Prime panel areas lacking devices located on peripheral panels o
Controls and associated displays too far apart I
o Following the completion of the redesign of the main control board layout, a second questionnaire was prepared. This questionnaire contained the responses to the original survey, with space provided for responses and comments. A group of four plant operators
(
were requested to execute a normal startup procedure ano to respond to the questionnaire, which was organized according to the content areas of NUREG-0700.
{
Comments were also solicited concerning any new observations generated as a result of 1
the new control board layout. 'Ihe responses indicated that no new observations were introduced as a result of the redesign of the control boards. 'Ihe comments maae by the original reviewers have been resolved. The results of the subsequent review is presented in the OER Validation Report.
2.3.3 System Function and Task Analysis The Systems Task Analysis Team performed a structured review and analysis of the STP control room complex in compliance with NUREG-0700 and with the Program Plan. This review was performed to document and determine the design adequacy for safe plant operation. It included a review of: plant systems, emergency response documents, selection of operational events, and task analysis to identify pertinent operator actions.
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He SFTA team reviewed pertinent plant documents, such as P&lDs, Westinghouse ERGS, the FSAR and system descriptions. Rey also attended a series of lectures to become g
familiar with the systems. Data forms for system information such as safety function, ano failure modes were filled out, and simplified systems flow diagrams were preparea.
After becoming familiar with the systems, a set of criteria for the selection of events to be analyzed was prepared. 'lhe criteria are:
1.
Broad range of functions 2.
Time dependent i
3.
Multi-system coverage 1
4.
High stress situations Using these criteria, the team reviewed the events listed in the FbAR and the Westinghouse ERGS and chose the following set of events. It was confirmed during discussion with a group of experienced operators that these events best satisfied the a
criteria:
1 1.
Small break loss of coolant accident 2.
Steam line break 3.
Steam generator tube rupture 4.
5.
Turbine load rejection 6.
Plant startup 5.5/02234 2-10
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Re six events established evolutions that created a high-stress potential, multi-system operation, rapid operator action, and involvement of a broso range of control room 1
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functions.
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The analysis of each event involved the following phases:
1.
System functional review 2.
Traffic flow analysis 3.
Spatial operational sequence analysis
[
The functional review identified the broad functions involved in each event. A flow
[
diagram, with decision-action points, documented this review. He traffic flow analysis required the identification of each device used in the sequence, whether required for monitoring or for actuation. Traffic-link diagrams were prepared, showing the operator travel paths between control boards for the event. The spatial operational sequence analysis traced the sequence of actions required at a given control position, and through diagrams, ioentifiec the patterns involved. Tracing the operating path in this manner identified improperly located devices.
2.3.3.1 Results
[
Panel 001,002 and 003
(
The traffic link diagrams for all selected events were considered, as a group, to determine the overall patterns of traffic. De most obvious problem was the number of repeated
{
trips necessary between the ESF panels in order to control any one ESF system. If these controls were arranged by system, with those used most often located on CP-001 and those used least on CP-003, then control would be much easier. Bis is especially true since any emergency requires the same set of early diagnostic activities to determine exactly which type of emergency occurred.
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Another major potential problem was the controls for Auxiliary Feedwater, which were g
spread among the three ESF Panels and Panel 006. Pump and valve controls and flow 4
Indication were located on the ESF panels, but the flow regulators were on Panel 006.
I The ESF traffic link diagrams were also used to rank the systems by frequency of use ano at what sequential point in the procedure it was used. This information was used to decide which systems should be nearest the " center of action", and minimize operator travel. 'Ihe data indicated that liigh llead Safety injection (IlliSI) and Low 11ead Safety injection / Residual lieat Removal (LilSI/RilR) were most important with component 1
cooling water (CCW) and containment spray next, followed by the diesel generators. This layout results in a system-oriented arrangement, a
Panel 004 The sequence diagrams showed that the operator had to move arouno almost randomly during start-up and emergency procedures using the charging and letdown systems. The j
panel equipment for these events were not arranged according to the sequence defined by the procedures.
Panel 005 The reactor control panel operational sequences were examined and the following systems were found to be not functionally grouped:
1.
Pressurizer heaters, spray and pressure controls 2.
Pressure relief tank controls h
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Panel 006 l
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A review of the steam generator control panel inoicated the layout of the controls was not acceptable. 'Ihe Auxiliary Feed hater (AFW) controls from the ESF panels needed to
{
be relocated on this panel and integrated into the layout. The controls for the steam generators were not functionall grouped. Indicators for monitoring were not adjacent to controllers, and valve centrols for supplying feedwater were not integrated. Dump,
)
isolation and blowdown were scattered - either on 007 or off by themselves on the extreme left of 006. There was a row of indicators for Post Accident Monitoring (PAM),
[
which should be integrated with their respective systems.
{
Panel 007 The controls for condenser steam dump were not grouped and the isolation (PORVs, MSIVs and Bypass) valves referred to above needed to be relocated to 006 with other SG devices. 'Ihe condenser steam dump system was not arranged by functional groups. The controls for sychronizing the generator should be relocated to panel 007 from 010 so that they are with the turbine controls.
[
Panel 010 The electrical auxiliary panelis not used often in the selected events, except for startup
[
and turbine load rejection. 'lhe generator sychronization controls should be moved closer to the turbine controls.
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2.3.3.2 SFTA Supplemental Review and Validation l
After the redesign of the main control board layout was completed, the SFTA was i
reviewed to verify that the observations had been corrected and no new ones introduced.
'Ihe operator task identification sheets for the six selected events were revised to show the new locations of devices, both within panels, and between panels. In some cases, devices had been removed or added, requiring the revision of the instrument detail section of these forms. 'lhe traffic link diagrams were then revised to reflect the movement of instruments from panel-to-panel. The spatial operational sequence diagrams were revised to reflect the relocation of subsystems and of instruments within a subsystem. The six sets of diagrams were then evaluated for efficiency of operator motion.
E
'Ihe new layout resulted in significant improvement in the functional arrangement of the control boards. Operator travel between boards was recuceo. 'lhe results of this review i
are presented in the SFTA Validation Iteport.
l 2.3.4 Control Room inventory The inventory of controls, instrumentation, displays, and other equipment on the control room man / machine interfaces was performed at the time of the construction of the STP control room mockup. 'lhe information source used was the control room equipment list.
Each item on the list was located on the mockup in accordance with the issued panel layout drawings. The equipment list is prepared on a panel-by-panel basis, categorized by equipment type, and is maintained as a data base for ease of updating, revising, and sorting.
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The inventory data base was updated to reflect the additions and deletions of equipment, relocations between panels as work progressed in the SFTA, the revision of panel layouts,
{
and verification. Devices identified by the control room survey as not complying with the control room criteria, such as wrong switch types, were also entereo in the data base. A significant number of panel adoitions resaltea from Reg. Guide 1.97 requirements and design evolution. The decision to add two control boards, for llVAC and for recorders, resulted in the relocation of many panel devices.
Only those recorders and HVAC equipment necessary for immeoiate operator attention
(
were retained on the main control panels CP-001 thru CP010.
{
2.3.5 Control Room Survey E
A survey of the full scale mock-up and the simulator was performed to document compliance with the human factors criteria document. 'lhe use of a realistic mock-up, including sample control panel hardware, permitted completion of the buff of the
[
checklist items developed. 'Ihose items that ::ould not be checked, such as voice communication devices, control room noise, illumination, use of protective clothing, and
{
other environmental considerations were deferred and will be completed when the control room is put into service.
i
[
The Control Room Survey Task Group performed the following tasks.
1.
Preparco ; dant specific checklists for the following:
(
o Control room workspace o
Communicaticns
{
Annunciator warning system o
o Cor.trols o
Visual displays
[
o Labels and location alos
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o Process computers o
Panel layouts g
o Control-display integration 1
2.
Submitteo checklists for Project Review Team review.
3.
Finalized checklists.
4.
Performed control room survey.
5.
Evaluated data; summarized observations.
6.
Rechecked significant modifications resulting from the above work, as necessary.
The Control Room Survey Task Group performed a representative survey of the revisea panel layouts to validate compliance with the criteria document.
'lhe program produced 441 HEDs in the following categories.
I 1.
Category A (Safety Consequences)- 45 2.
Category B (Availability Enchancement) - 323 3.
Category C (Reliability Enhancement)- 20 1
4.
Category D (Minor)- 53 There were 55 guidelines, classified as Category E (items delayed until control room is operational), that cannot be evaluated until the control room becomes operational.
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After the redesign of the panels, each of the 45 Category A HEDs and a representative sample of the Category B HEDs were reexamined. The results indicated that the observations had been corrected and no new ones created. %ese are presented in the Control Room Survey Validation Report.
2.3.6 Verification of Control Room Function The verification task group verified the availability of instruments and equipment neeced to implement each task. 'Ihis verification was made by comparing the requirements identified by the SFTA to the Control Room Inventory List. An adequacy determination of operator-equipment interfaces for task accomplishment was made and the observations were recorded. Formatted information developea during the inventory ano system function task analysis activities was used.
2.3.7 Validation of Control Room Functions In conjunction with the SFTA update, and after the control boarcs were revised, the CRDR team performed a validation of the control room layout. This valication was performed by two separate operating crews using walk-through/ talk-through techniques, and procedures developed for two SOEs; i.e., steam generator tube rupture and startup.
These two sequences are included in those analyzed in the SFTA.
I Re two walk-through/ talk-through sessions were videotaped to allow examination of the operator responses using the new panel layouts. Each team of operators made specific I
recommendations for displays to be incluced in the Qualified Display Processing System (QDPS). These are detailed in the SF1 A Validation report. The suggestec graphic displays are tailored for the following specific operating evolutions:
1.
Steam generator level anc pressure, feeowater and steam ilow.
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Subcooled margin parameters.
4.
Containment status parameters.
5.
Nuclear instrumentation parameters.
The graphics display software for the QDPS has not been finalized, and these recommendations will be considered for inclusion in the set of displays finally agreed upon. The results of this validation are presented in the SFTA Validation Report.
2.3.8 Annunciator Review The annunciator review was conducted by the Annunciator Study Task Group (ASTG) in accordance with the Program Plan and the annunciator review guide. Twenty-six meetings were held with an average of seven attendees per meeting. The review included all alarms of the main plant annunciator, plant computer, ESF bypass and inoperable status system, and the operators' alarm cubicle in the basement of the turbine building.
~
The review was performed in two phases. In the preliminary phase, a review of design documents, including various EPRI and NRC studies pertaining to annunciator systems, was completed; criteria for the annunciator and computer systems were prepared; checklists for the evaluation of the design compared to the criteria were generated and performed; and preliminary recommendations made. These recommendations were recorded as observations and incluaed in the Control Room Survey Report.
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Re decision to redesign the control board layout invalidated the location of many alarm windows, and the final phase of the review was conducted after the control board redesign
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was complete. A study guide was prepared to control this effort. The group performed a functional integration of the identified annunciators, assigned priorities, and reviewed
[
each window for applicability, position, wording, and operator actions. Design documents were examined to determine possibilities for eliminating windows of little utility, and for combining those windows of similar operator response. The study resulted in: a reduction b
of main panel active tiles from 1055 tiles to 642, a reduction in the basic window box size f
from 96 tiles to 48 tiles, messages reconciled with a standard abbreviation list,
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calculations to enhance visibility of engraving, elimination or redistribution of alarms not
)
essential to prime panel space and integration with the ESF status displays and computer displays. The detailed results are reported in the Annunciator Report.
2.3.9 Special Studies During the CRDR, several observations were made of discrepancies that affectea the
(
overe.ll control room. These items were assigned to small task groups for determination of the correct course of action to integrate corrections into the control room design. The
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results of tuese studies are summarized below ano presented in the Special Stuales Report.
2.3.9.1 Anthropometry Study
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An anthropometry study was performed to evaluate the control boaro profile. 'Ihis study l
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concluded that the control board profile was acceptable with allowance for " extended reach" for operators from 20th percentile female to 95th percentile male.
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2.3.9.2 Labeling Studj The control room survey identified labeling us a human factors observation. There was no apparent hierarchial labeling, the labels lacked consistent abbreviations, and some labels were unclear in meaning. A study group was assigned, and a study guide issued. The study guide is an appendix to the Criteria Report. He study guide includes label parameters, character height, label size, color, and a uniform label format. Ilierarchial labe" vere made to conform to the criteria established. %e abbreviations from the Criteria Report were used to prepare consistent messages. The mock-up was modified to incluce the review recommendations anc reviewed by appropriate operations personnel. This effort resulted in a listing from which the panel vendor is to prepare labels for the control panels. Extensive use was made of operator reviews of labeling techniques that resultea in immediate recognition of the labeling content. Af ter the initial labeling review, labeling refinements where made considering the results of the Demarcation Study.
I 2.3.9.3 Demarcation Study The control room design review noted that tiie original panel layout provided for minimal demarcation of systems. This lack of demarcation could have caused operator confusion and delay in responding in times of high stress due to celay in locating the oesired controls or displays.
A design guide was prepared to structure and document a demarcation scheme that was the result of both industry survey and a broad technical input, through a study team. %e guide was added to the Criteria Report as Appendix U.
We team prepared a set of criMria for demarcing the control boards. After studying various methods, a recommencation was made to use beige for a basic panel color, with a color pad technique used for highlighting and grouping controls (see figure 2-4).
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2.3.9.4 Meter Scales
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The control room survey reported observations conecrning meter scales, for examples wrong progressions (sheet number 331).* no zone markings (sheet number 006), too many, and confusing gradations (sheet numbers 359 ano 361), gracation dimensions (sheet number 475), and different type styles (sheet number 357).
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A study was performed to quantify e.camples of correct gradations, and to provide samples of zone markings for application to the meters that are to be zoned. He results are included in the Special Studies Report.
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- See Control Room Survey Report for details 2.3.9.5 Recorder Survey
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The revision to the panellayout included the relocation, from the main control panels to a
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new recorder panel, of approximately 50 recorders that were considered unnecessary to the operation of the plant, during either normal or emergency evolutions. Nineteen l
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recorders were retained on the main control boards. During the NRC Auait of May 1983, concerns were raised relating to these recorders. There is no dual speed capability to allow the operator to scroll down the record and view the parameter value quickly. A survey was performed on the main control board recorders to determine if any were usec by the operator in normal plant evolutions. One set of four recorders are used for
[
indication, i.e., the RCP seal water flows on panel 004. The operator uses these to establish and monitor flows before starting a RCP. De remaining 15 recorders are used l
h for either trending or for historical recording. In none of these cases is there a need for the capability to review fast transient developments. However, fast transients may be displayed and examined on the Emergency Response Facilities (ERF) computer displays.
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2.3.10 Effectiveness An NRC audit of the redesigned control room was conducted during the week of May 2, 1983. As a result of that audit the following post CRDR activities were performed:
2.3.10.1 Knurled Knob Position Indicator Problem A study was made to correct the problem of 71 switch handles obscuring switch position markings. Twelve of the switches were changed to lioneywell selector switches which do not have the problem. The remaining 59 switch handles will be replaced with lever handles as recommended by VanCott and Kinkace in "The Human Engineering Guice to Engineering Design".
2.3.10.2 Distinguishing Legend Pushbutton From Legeno Lights Problem A survey study was made to select a method of cistinguishing legeno pushbuttons from legend indicating lighta. 'Ihe "close corner octagon" was selected by a consensus of g
operations staff and engineering personnel 3
2.3.10.3 Lack of Defined Color Usage Conventions in Published Form A survey was made to determine the color conventions that were used in the STP control room design. 'Ihis information was organized and adoed to the Criteria Report as Appendix S.
2.3.10.4 Guidelines for Applying Human Factor Engineering Principles to Control Panel Design Changes These guidelines were produced in response to the concern, expressed by the NRC audit team, that all future design changes include human factors review. 'lhis structured material was added to the Criteria Report as Appendix T.
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3.0 CRDR ASSESSMENT AND IMPLEMENTATION All observntions identified in this program were processeo accoroing to the assessment h
and implementation methodology presented in Figures 3-1 through 3-4.
The Design Review and Technical Task Team documented these observations and recommencations on
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Checklist Observation forms (CLOS) (Figure 3-5) which were submitted to the Project Review Team for assessment.
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The initial step by the Project Review 'Ieam was to accept or reject the formatteo information where, in the latter case, they returned the CLO to the Design Review ana Technical Task Team for further evaluation anc resubmittal. Acceptec CLOS were categorized according to the Assessment Factor Criteria as outlined in Selection of HEDs
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to be Analyzed for Correction (Figure 3-2). De criteria chosen provicea for a simple, but effective, relationship between assessment factor and implementation requirements
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commensurate with the significance of the observation. Bis approach greatly reduced the need to consider various levels of safety while still accomplishing the assessment objectives of NUREGs 0700 and 0801.
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All observations assigned Categories A, B or C were identified as Human Engineering Discrepancies (HEDs) and were analyzed for correction (Figure 3-3).
Correction of Category D results are optional. De first step in this process was to icentify those HEDs
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which can be corrected by enhancement. He remaining HEDs were analyzed to identify design improvement alternatives and to select solutions. In addition, some HEDs will be corrected through training. An integral part of this step was the reapplication of the control room review process, as appropriate, to ensure that:
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1.
Other guidelines were not violateo 2.
Other corrections were not invalidatea h
3.
Any resulting increase in significance of other findings was identified and accommodated r~
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Solutions which do not bring the discrepancies into full compliance with the guidelines have been identified and justified herein.
'lhe Project Review Team has processed their recommendations through the management team for approval.
m 3.1 ASSEbSMENT RESULTS The following summarizes the status of the forty-five (45) Category "A" hEDs identifieo in this program. Appendix A contains the detailed disposition of the Category "A" HEDs:
1.
Relayout of panels for functional grouping of associated system or subsystem devices, or relocation on an appropriate panel to minimize operator movement or to facilitate task sequence, or to accommodate frequency of usage.
I Sheet Numbers * -
511, 526, 530, 568, 569, 570, 572, 573, 574, 575, 576, 577, 578, 593, 594, 598, 599, 600, 603, 604, 605,875 2.
Include needeo information on a panel CRT or plasma display Sheet humber -875 3.
Add equipment to the main panels, modify equipment, or replace with equipment that meets NUREG-0700 guidelines Sheet Numbers - 510, 517, 518, 549 l
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- See Appendix D for master list of numerically sequenced sheet numbers vs.
the Control Room Survey Report Book number and page number.
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- 4. Provide easily distinguishable coding system l
Sheet Numbers - 517
- 5. Upgrade engraving, label or annunciator rewording or application of hierarchial labeling.
Sheet Numbers - 054, 068, 322, 498, 511, 530, 566, 567, 774 I
- 6. Engineering is in progress at this time.
Sheet Numbers -
367, 484, 679, 725, 726, 727, 731, 732, 748, 749, 750, 767, 768 l
l The following summarizes the disposition of the 323 Category "B" HEDs identified in this program. Appendix B contains the detailed disposition of a representative sampling of the Category "B" HEDs as reported in the Control Room Survey Validation Report for the main panels.
I
- 1. Relaycut of panels for functional grouping of associated system or subsystem devices, or reposition label, or relocation on an appropriate panel to minimize operator movement or to facilitate task sequence, or to accommodate l
4 frequency of usage or reposition or relocation of displayed or alarmed l
information.
I Sheet Numbers -
001, 002, 003, 004, 021, 022, 023, 024, 026, 027, 028, 029, 031, 032, 033, 037, 039, 040, 041, 043, 044, 045, 046, 065, 066, 067, 069, 076, 077, 078, I
079, 110, 112, 114, 115, 319, 320, 321, 323, 382, 383, 393, 398, 400, 410, 411, 412, 419, 421, 454, 494,495,496,497,499,503,504,505,306,520, 525, 571, 579, 597, 606, 656, 688, 708, 797, 798 5.4/02234 3-3 I
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2.
Require detailed engineering for implementation.
Sheet Numbers - 054, 328, 332, 356, 469, 646, 665, 715, 738, 754, 777 3.
Add equipment to the main panels, adjust or mcdify equipment, or replace with criteria report or NUREG-0700 guidelines equipment.
I Sheet Numbers - 329,330,331,334,335,359,360,361,362, 374, 376, 391, 392, 408, 422, 423, 459, 460, 461,470,475,476,477,479,649,650,651, 655, 660, 661, 666, 670, 671, 672, 673, 675, 695,696,699,701,705,706,711,712,713, 716, 719, 720, 721, 724, 734, 735, 736, 739, I
742,743,744,745,747,759,760,761,763, 771,776,781,782,783,784,786,796,799, 800,801,803,804,805,807,808,809,870, 872, 873, 874, 876, 878, 879, 880, 881, 882, 883,884,885 4.
Provide easily distinguishable coding system Sheet Numbers -
006, 060, 288, 299, 310, 364, 364, 480, 676, 764, 787 I
5.
Upgrade engraving, label or annunciator rewording or application of hierarchial labeling.
Sheet Numbers - 013, 014, 015, 019, 026, 030, 051, 052, 053, 057, 196, 197, 198,199, 204, 209, 210, 211, 215, 216, 294, 305, 316, 322, 342, 343, 344, 345,346,347,348,354,371,372,404,406, 415, 424, 429, 430, 431, 432, 436, 437, 440, l
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458,463,471,486,492,493,498,527,528,
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529, 581, 584, 585, 589, 591, 592, 595, 596, 601,602,607,608,609,610,614,615,618, 619, 620, 623, 624, 625, 626, 629, 630, 631, 632,633,636,637,639,640,642,643,644,
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648, 668, 683, 691, 692, 693, 694, 718, 741, 757,769,778
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6.
Provide panel enhancement, e.g.
demarcation, or modify current enhancement.
Sheet Numbers -
035, 036, 042, 413, 417, 420, 514, 703, 802 7.
Not accepted by the PRT Sheet Numbers -
011, 016, 025, 038, 059, 074, 109, Ill, 113, 116, 117, 118, 119, 120, 121, 200, 212, 286, 295, 306, 317, 336, 337, 338, 339, 340, 341, 349,353,355,363,373,377,378,379,381, j
384, 388, 389, 394, 399, 409, 414, 416, 418, 433,455,465,466,467,473,474,483,487,
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489, 490, 491, 515, 580, 588, 611, 622, 634, 641,653,657,358,659,662,664,684,686,
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687, 689, 698, 700, 704, 710, 714, 722, 729, 730,733,751,752,753,772,773,775,790,
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791, 792, 794, 795, 896, 811, 818, 821, 855, 886.
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3.2
SUMMARY
OF RENAINING WORK i
The following is a list of CRDR Human Factors work that is in progress or cannot be completed until the control room and/or simulator becomes operational:
1.
The final engineering solution to the problem of non-distinguishable Rotatellite green color will be checked.
2.
The final engineering solution to the problem of poor readability of the Bypass / Inoperable status lights will be checked.
3.
De methodology for zone coding meters is completed, see figure 3-6.
Temporary zone coding of meters will be performed by operating personnel during startup testing. The permanent zone coding will be completed af ter startup verification.
I 4.
Sample checks will be mace of approximately 100 labels taken at ranoom to verify that the panel fabricator complieo with the recommendations made in the labeling study. Note that this may not be necessary if the quality control report verifies compliance.
5.
Many meters wem removed from the panels and the parameters transferred to the QDPS plasma display.
In
- addition, the walk '.hrougn/ talk-th-ough exercises identified a variety of recommendec displays. Rese displays will be checked.
6.
He effectiveness of the five annunciator horns designated to correct a reported diserspancy will be checked.
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7.
Sample checks will be made of approximately 50 random annunciator tiles to verify compliance with the recommendations of the annunciator study.
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8.
Sample checks will be made of the demarcation painting to verify compliance with the recommendations of the demarcation stuay.
9.
A check will be made to verify that the recommended change of switch j
handles corrects the reacability of switch positions.
10.
'Ihe final engineering solution for the need for meters to fail off-scale will be checked.
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11.
Sample checks will be made of approximately fifty meter scales to verify compliance with recommendeo meter scale markings.
L 12.
Sample checks willbe made of approximately fifty legeno light engravings to verify compliance with the labeling study and criteria report recommendations.
13.
Sample checks will be made of recorder paper for correction of reported discrepancies and accessibility of supplies.
l 14.
Sample checks will be made that vertical meter pointers have been l
changed from black to rec.
15.
A check will be maae to determine if operators are trained to interpret the status of legend lights. See sheet number 792 for a description of this IlED.
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16.
'Ihe following summarizes the Category E criteria that will be checked for compliance to the guicelines.
o Full view of controls and displays from the normal desk position.
o All communications guidelines.
I o
Operator access guidelines for equipment in work stations.
o Compliance with guidelines for all work space and furniture dimensional and design features.
o Stcrage, coding, portability, ease of useage, protection of and organization of control room documents.
o Availability, quantity, storage, and identification of expendable supplies and tools.
o Supervisor access guidelines to the control room.
o Accessibility to controls (anthropometries).
o Accessibility, storage identification, instructions, training ana useage of protective clothing and gear in plant operations and maintenance thereof.
o Control room environment for comfort temperature, humidity, air velocity, normal and emergency illumination, and sound levels (noise).
I o
inclusion of annunciation on the auxiliary shut down panel.
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o Compliance with guidelines for systems related annunciator L
arrangement, annunciator facilities, ano console annunciator
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o Compliance with guidelines for the process computer and ERF
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o Compliance with the human factors features of meters.
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Reccgnition of intended information via indicator lights (transmitted light intensity).
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Effectiveness of the methodology used to prevent the interchanging o
of indicator lenses.
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Ability of displays to accurately track plant conoitions.
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o Ability of controls to perfom their criteria report guideline functions.
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rL 4.0 CRDR NRC IN-PROGRESS AUDIT REVIEW
4.1 BACKGROUND
llL&P requested an NRC in-progress audit of the STP CRDR in April 1983. The prime purpose for the audit was to receive NRC review comments of the redesigned main panel
(
layouts prior to issuing a release to manufacture panels 001 through 010. 'lhe audit was conducted from May 2 through May 6,1983 at the mock-up facility in Bechtel's Houston
{
engineering facilities. The NRC was assisted by its consultants from Lawrence Livermore
)
National Laboratory. Figure 4-1 shows many of the audit participants at the mock-up, f
The following was available at the mock-up to facilitate the audit:
1.
A full-size control room mock-up.
2.
A half-size color photo mosaic of the control room simulator.
3.
A scale model showing control room layout.
[
4.
Sample controls and displays.
I L
5.
A full scale panel section showing demarcation and hierarchial labeling techniques being developed to assist control room operators.
FL llL&P also provided a number of documents by mail and at the audit site to support the E
in-progress audit. Finally, HL&P, Bechtel Energy Corporation, and Torrey Pines Technology (human factore consultant) personnel involvec in the CRDR were available on 7
a daily basis during the auoit.
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The in-progress audit consisted of walk-throughs, document reviews, briefings, and discussions. Najor emphasis was placed on evaluation of the organization and process of the CRDR. CRDR results, particularly in areas which coula affect main control board layout, were also evaluateo.
m The results of this audit are reported in a letter from hnighton to Goloberg cateo October 31,1983 (Docket Nos.: 50-498 and 50-499).
I 4.2 AUDIT COMMENTS AND llL&P RESPONSES For clarity this section extracts the NRC comments from the audit results and puts them in quotes. The HL&P response follows the quotes.
4.2.1
Background
A Summary Report is to be submitteo at the end of the CRDR. As a minimum it shall:
"1.
Outline proposed control room changes."
This CRDR has resulted in the following significant changes that are reflected on the released panellayout drawings:
I o
The original train-orientea layout of the Engineereo bafety Features (EbF) panels (CP-001, 002, ana 003) was totally revised to a system-oriented layout. In this recesign effort auxiliary feeowater controls were moved to CP-006 as recommended by the Operating Experience Review and SFTA. This effort permitted the correction of indicators on CP-002 that were located too high for accurate viewing. The auxiliary feedwater controls were moved from CP-001, 002 and 003 to 006. Figure 4-2 shows the functional allocation of systems for the ESF panels.
4 4-2 5.5/02234 5736W/0187W
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De controls, CRT and associatea keyboard for radiation monitoring o
have been relocated on the operators console anc recorder panel.
Figure 4-3 shows the reviseo functional allocation for CP-004, CP-005 and CP-006. Major layout changes were made to satisfy the apparent discrepancies noted by the OER, CRS and SFTA.
o Figure 4-4 shows the revised functional allocation for CP-007 through 010. The HVLC controls were relocated to the HVAC back
{
panel. De PORV and MSIV controls were grouped with the steam generator controls on CP-006. The full-flow deaerator equipr
.t was added to panel 008.
Figures 4-5 ano 4-6 show the configuration of the operator console o
and the auxiliary console that were aadeo to the control room.
'Ihese consoles were mockea up anc used curing the walk-through-talk-through exercises.
l l
{
Over 30 percent of all panel switches were changen to cifferent o
types in order to comply with the switch conventions noted in the Criteria Report.
[
De hierarchiallabeling study resulted in gross label changes for all o
panels.
He study techniques were extended to rototellites, arnunciator, and status light engravings.
o An extensive annunciator review resulted in a reouction of active windows, addition of zone alarm horns, a revision of window boxes to match the revised panel layouts, prioritization of alarms, reworking of tile messages, reduction of window box tiles from 96 to
(
48 and enlarged tile lettering.
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J De demarcation study resulted in the addition of color patching and o
mimics to distinguish systems and subsystems.
o
%e addition of panel equipment to satisfy Req. Guide 1.97 requirements.
o Figures 4-7, 4-8 and 4-9 show the mock-up of the HVAC and Recorder back panels and auxiliary shutoown pane's addeo in the CRDR process.
o See Appendix A for a listing of all changes mace or to be made to correct Category "A" HEDs and Appendix B for a listing of typical changes made or to be mace to correct Category "B" ItEDs.
Gross changes were made to meter scales in order to bring them in o
i line with the NUREG-0700 guidelines. Provisions were also made for adding zone coding to meters. Vertical meter pointers will be painted red instead of black.
o Switch handles that obscured switch position markings were corrected with new type switches or with revised handles as g
recommended by Van Cott and Kinkade.
I o
Legend pushbuttons will be distinguished from legeno lights with
" closed corner octagon" markings on the lenses.
l "2.
Outline proposed schedules for implementation" 1
See Section 5.0.
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u "3.
Provide summary justification for HEDs with safety significance to be f
lef t uncorrected or partially corrected."
L Dere are no known HEDs in these categories. Some deficiencies are in the process of being corrected.
4.2.2 Planning Phase 1
{
l.
" Milestones for other important CRDR activities (e.g. these related to the remote shutdown panel and environmental surveys) were not available ano could not be evaluated."
Section 5.0 lists all known significant activity requireu to complete the e
DCRDR and the currently projected completion dates.
4.2.3 Review Phase
{
1 1.
"Some plan for keeping both tne document [LERs etc.) review and operator survey current is recommended. It is expected that such a plan would be useful throughout plant life."
L The oocument reviews will be included as part of the Operating
(
Experience Review Program for both internal ano external events with HF considerations included as part of the review.
F We operator's survey will be covered by the design change request program. If changes to the Control Room are involved, it will be evaluated for HFE, i.e., Criteria Report, Appendix T.
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2.
"One concern was that the SFTA was not based on finalized emergency operating procedures.... We staff recommends that HL&P confirm, after EOPs are finalized, the.t information (parameter type, dynamic range, r.eeuracy.
frequency,
- feedback, etc.)
and control functions (discrete 'ana og, precision, duration, criticality, etc.) have been adequately identified and are satisfied by aveilable instrumentation and g
controls."
I The program plan stated the WOG ERGS woulo be useo ano acceptable as a basis for the SFTA.
The finalized EOPs are required to be valicated in accordance with NUREG-0737 and deficiencies will be resolved accordingly.
4.2.1 Assessment and implementation Phase 1.
"%c bssic plan for scheduling implementation appears aacquate, however, a more definitive implementation schedule will be needed as part of the summary report."
See Section 5.0 for this scheduling.
2.
"%ere are certainly advantages to early conduct of the CRDR. However, care should be taken that future operating procedures and training efforts are coordinated with the CRDR effort. Establish'nent of a means to assure proper consideration of control room improvements to resolve human factors problems identified curing operator training and development of procedures is recommended."
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As noted in Section 4.2.3, each EOP will be valicated using a staff that P
will provice continuity with the present CRDR Design Review Team.
L Methodology has been developed to assure the application of good human factors principles to all future changes (see Appencix T of the Criteria Report).
l
... however, there is some concern about the reporting of CRDR issues
)
3.
that cannot be addressed fully by the Summary Report date. For
{
example, the environmental surveys may not be acequately completed until the plant is actually operating, and other activitics may co.itinue past the Summary Report date (e.g., coordination of emergency procecure and training efforts with the CRDR)."
(
Section 5.0 clearly identifies all open items for completing the tasks identified in the prograrr plan and known open items. HL&P is committed to continue to apply the benefits of the CRDR program in the appropriate plant activities on a continuing basis.
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4.2.5 NRC Audit Conclusions l
A.
"Several recommendations resulted from the NRC evaluation of the STP CRDR. They were:
1.
Keep the operating experience review current through document review and periodic updates of the operator survey."
l See above 4.2.3, Item 1 "2.
During ve.rification and validation, use the control room mock-up to assess, the integrated effect of the fullest range of design improvements possible (to include labeling ano demarcation)."
See above 4.2.3, item 2 "3.
Update the simulator as soon as possible ana use it for operator training and confirmation of the integrated effect of design improvements (verification ana validation of proceaures might also be done conveniently on an updated simulator)."
A plan to modify the simulator is currently in th9 development stage. Completion of the modification is targeted to support the scheduled operator training activities in the fall of 1985.
"4.
Continue to assure participation of an adequate mix of personnel (including operators and human factors professionals) throughout the development and evaluation of design improvements."
4-8
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L The CRDR effort following the May audit placed great emphasis on the participat:on of operators ana human factors professionals. This is evidenced in our post-review validation effort. See the Operating Experience Review Validation Report and Control Room Survey Validation Report.
"5.
Include humen factors review of the remote shutoown panel, any control room modification or additions made as a result of post-TMI actions, as well as lessons learned from operating reactor events."
This report includes the results of our review of the auxiliary (remote) shutdown panet HL&P plans to continue to monitor industry produced LERs and internal plant produced documents as q
applicable to future control room modifications.
{
3.
"Several information needs remain to be filled in order to complete NRC cvaluation of the STP CRDR. They are:
b I
1.
A schedule reflecting all activities associated with the CRDP 1
(including more detailed implementation schedules and schedules for any activities which might extend beyond licensing)."
See Section 5.0.
t "2.
Description of any document review accomplished as part of the L
operating experience review process."
[
'Ihe Operating Review Team reviewed INPO's Significant Operating Experience Reports (SOERs) issued as of May 19,1982. This review
(
included SOERs 80-1 through 80-6, 81-2 through 81-17 and 82 through 82-4.
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"3.
Description of the completed control room inventory anc its use."
l Figures 4-10, 4-11 and 4-12 show typical printout sheets from the computer-based main control panel equipment list. De initial layout of the mock-up was made from this type of listing. The CRDR resulted in extensive changes to both the make-up (layout of equipment) of each panel and the type of equipment on each panet Here were significant changes made to switch types, meters and recorders. This inventory is a basic Bechtel engineering document and is in a continuous process of change. Changes will undoubtedly be made during the installation and plant startup stages. The application of human factors considerations is provided for by the Criteria Document; specifically Appendix 1, which cefines a review methodology to incorporate human factors concerns. Figure 4-13 shows a typical switch development and wiring scheme which is referenced on the inventory sheet Figure 4-11 (see item no.
001S054). The inventory sheets were also used during the control room survey and in the verification of the equipment and equipment l
characteristics defined by the Task Analysis process.
"4.
Description of the completed verification process and results."
In the verification of task performance capabilities (NUREG 0700 Section 3.7) the verification of availability was performed by the task analysis specialists using the mock-up and completing the formated information shwn in Figure 4-14 (see SFTA Report and SFTA Validation Report)."
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The verification of human engineering suitability was also performed by the task analysis specialists. The principal tool used to evaluate the practicality of the inventoried displays and controls was the spatial operational sequence stucy. Figure 4-15 is a typical diagram. We diagrams are contained in the SFTA and 5FTA Validaticn Reports. in addition, NUREG-0700 recommenos the use
(
of CRS check lists. This concept was implemented by the execution of the CRS panellayout and control aisplay integration check lists assisted by the human factors specialist after most of the task analysis work was completed. In this check list review emphasis was placed on the task application for the panel hardware.
HL&P also plans to supplement this effort with the results of the verification efforts associated with its production of Emergency Operating Procedures.
[
"5.
Description of the completed validation process and results."
[
Ee validation effort for the CRDR consisted of three efforts as follows:
De use of walk and talk through procedures following NUREG o
[
0700 Section 3.8.2 approach.
{
One operating crew performed this function for the steam generator tube rupture selected operational event (SOE) and a second operating crew performed the plant startup SOE.
[.
D ese exercises were conducted at the mock-up using advanced developed EOPs. These exercises were video taped.
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l.
'Ihe STP Emergency Procedures are prepared with a system that involves the shift supervisor (SRO) to direct the actions of two licensed operators. The SRO is responsible for performing diagnostics as the procedures progress. This validation effort resulted in the f.ollow up study of 112 meters g
associated with the control and protection channels of 53 5
parameters. This study resulted in the recommendation to eliminate 61 meters while adding 10 meters primarily through the use of the Qualified Display Processing System (QDFS).
'Ihe validation also uncovered a few procedural problems and identified QPDS display needs. See the evaluation of specified parameters in the Special Studies Report, and the SFTA Validation Report.
o An Operating Experience Review (OER) Validation was conducted as suggested in the May 83 NRC audit meeting.
Essentially 33 percent of the operators who provideo the basic data for the OER report reviewed the redesigned main panel layout with a human factors specialist to determine 11 the concerns they had identified were corrected and to determine if the corrections generated any new problems or discrepancies. Figure 4-16 shows a few of the 82 concerns a
covereo in this valloation effort.
See the Operating Experience Review Valication Report for details.
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A Control Room Survey (CRS) Validation was conducted as o
suggested in the May 83 NRC audit meeting. This effort covered the review of all Category "A" HEDs and five Category "B" HEDs of each checklist identifiec through the review of the main control panels. A human factors specialist compared each of the above discrepancies on the half scale
{
mosaic with the reviewed panel layout on the mock-up to validate that the ciscrepancy was resolveo ano that the corrective action did not create any new problems or discrepancies. See the CRS Validation Report for details.
l "6.
Confirmation, after EOPs are finalized, that information (parameter type, dynamic range, accuracy, frequency, fecoback, etc.) ano
(
control functions (discrete / analog, precision, duration, criticality, etc.) have been adequately identified and are satisfied by available
{
instrumentaticn and controls.
[
See Section 4.2.3 above for response.
i "7.
Identification of deviations from information already received."
These are identified throughout each report with a revision log ano
{
change bars.
"8.
Resolution of concerns raised curing the NRC audit of liEDs una indepenaent control room survey."
[
These are reviewed throughout this report.
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"9.
An outline of proposed control room changes."
See Section 4.2.1, item 1 above.
"10. Justification for leaving safety significant HEDs uncorrected or partially corrected."
E There are no known safety significant HEDs uncorrected or partially corrected. Some deficiencies are in the process of correction (see Appendix A). See Appendix C for a list of deviations from the Criteria Report guidelines.
4.2.6 Appendix Part A "The audit of the HL&P identified HEDs and the NRC's indepencent control room survey were limited. ho representation of the following panels was available for audit of HL&P identified IIEDs or independent NRC survey:
"1.
CP0ll through CP015" These panels are not utilized curing emergency operations and are not a part of the CRDR. 'Ihey are titleo as follows:
I CP-Oll-Nuclear Instrumentation CP-012-Flux Mapping CP-013-Seismic Monitoring CP-014-Vibration Monitoring CP-015-Loose Parts Monitoring "2.
CP018 (Recorder Panel)"
This panel has been mocked-up (See Figure 4-8) and the review results
]
integrated in this report and pertinent support reports referenced herein.
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"3.
CP019 (Fire Protection Panel)"
c This panelis not utilized during emergency operations and is not a part of the CRDR.
"4.
CP022 (HVAC Panel)"
l This panel has been mocked-up (See Figure 4-7) and the review results
{
integrated in this report and pertinent support reports referenced herein.
"5.
Auxiliary (Remote) Shutdown Panel" This panel has been mocked-up (See Figure 4-9) and the review results integrated in this report and pertinent support reports referenced herein.
L "In addition, facilities at the audit site did not permit audit of HL&P 1
identified IIEDs or an indepenoent survey against the following guidelines i
sections in NUREG-0700:
CONTROL ROOM WORKSPACE s
6.1.1.4 General Layout - Document Organization ano Storage f(
6.1.1.5 General Layout - Spare Parts, Operating Expendables, and Tools
[
6.1.1.6 General Layout - Supervisor Access L
6.1.1.7 General Layout - Non-essential Personnel Access 6.1.3 Multi-Unit Control Rooms (does not apply to STP) 6.1.4 Emergency Equipment 6.1.5 Environment 1
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COMMUNICATIONS 6.2.1 Voice Communication Systems 6.2.2 Auditory Signal Systems ANNUNCIATOR W ARNING SYSTEMS 6.3.1 General System Characteristics 6.3.2 Auditory Alert Subsystem 6.3.3 Visual Alarm Subsystem 6.3.4 Operator Response Subsystem VISUAL DISPLAYS 6.5.5 Miscellaneous Display Types LABEL AND LOCATION AIDS 6.6.1 Labeling Principles 6.6.2 Label Location 6.6.3 Label Content 6.6.4 Label Lettering 6.6.5 Use and Control of Temporary Labels l
PROCESS COMPUTERS 6.7.1 Computer Access 6.7.2 Cathode Ray Tube (CRT) Displays 6.7.3 Printers" The guidelines will be evaluated in the Unit I control room when it becomes operational 5736W/0187W
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4.2.7 Appendix Part B
[
t "A limited audit of the HL&P control room survey and the NRC's indepenoent control survey resulted in no NRC concerns with DCRDR results associated
[
with the following NUREG-0700 guidelines sections:
i
(
CONTROL ROOM WORKSPACE 6.1.1.1 General Layout - Accessibility of Instrumentation / Equipment i
6.1.1.2 General Layout - Consistency of hianning with Equipment Layout 6.1.1.3 General Layout - Furniture and Equipment Layout i
CONTROLS 6.4.4 Rotary Control Specifications 6.4.5 Other Control Specifications CONTROL-DISPLAY INTEGRATION 6.9.1 Basic Control-Display Relationships 6.9.2 Layout Arrangement Factors 6.9.3 Specific Panel Layout Design" The STP CRDR work indicates no change in status for the above guidelines.
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1 4.2.8 Appendix Part C 1.
"The following general concerns about HL&P's control room survey ano special studies were identified:
Deviations from Criteria Deviations from HL&P criteria were observec in the mock-up (e.g.,
J-hanoles instead of selector switches). It is not known whether the deviations were errors in the mock-up or intentional. Assurance that the final control room configuration will follow conventions developed during the DCRDR is necessary. Intentional deviations should be treated as uncorrected or partially correctec HEDs to be justified in the Summary Repo rt."
See Appendix C for a listing of all known deviations from HL&P criteria with justifications.
I 2.
" Disposition of HEDs The final disposition of many HL&P observations (HEDs) is not known.
Included are those in Category "E" (items which could not be assessed using the mock-up or simulator) and those whose proposed corrections has g
not passeo thew gh the full review hierarchy."
l See Control Room Survey Report for cisposition of all category A, b, C and D HEDs. Category E HEDs will be reported after they are reviewed j
and assessed after the Unit I control room becomes operational.
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3.
" Workstation Design The bulk of the workstation design guidelines in NUREG-0700 are based on anthropometric data.
HL&P conducted a
comprehensive anthropometric survey in response to this item. The present main control boards do not accommodate the full range of functional reach (5th percentile female to 95th percentile male) used in developing
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NUREG-0700 guidelines. HL&P has proposed rearrangement of controls on the boards to reduce the magnitude of the problem.
That rearrangement and use of extended functional reach (i.e., leaning over the l
control boards to operate controls) will allow the main control boards to accommodate 5th percentile male /20th percentile female and larger 1
operators. The proposed rearrangement is an acceptable resolution to the l
discrepancy provided HL&P acts to ensure:
1.
'lhat controls are operable by (not just accessible to) all control room operators, and that no inaovertent activation of controls would result from allowing operators to lean over the main control boara to operate controls. HL&P will demonstrate that the controls are accessible to all operators."
This will be demonstrated by a written procecure using operators that range from the 5th percentile male /20 percentile female and
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larger operators.
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4.
" Location Aids The use of color padding as a demarcation technique is being explored by HL&P. The purpose of location aid techniques (including color padding) is to facilitate rapid, reliable operator orientation and search on complex
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panels. As a general observation, color padding appears to be most effective when a small number of colors are used (i.e., 2-3 including backgrouno). Use of a larger number tends to result in visual clutter and degradation rather than improvement of operator orientation and search.
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Attempts to convey information by manipulating color pad size, shape, location, or interconnection may also result in overextension of the technique. Although color padding can be a useful technique for entering operator performance on complex panels, it should be carefully developeo and evaluated.
1 Other location aid techniques (e.g., labeling, demarcation lines, mimics) appear to be limited in a way similar to color padcing. On complex panels, integrated use of several techniques may result in the most effective location aids. Again, careful development and evaluation are needed.
Considerable effort has gone into relayout of the STP panels.
Development of labels and location aids should enhance orientation to and search of those panels. Given the advantage of a full-scale mock-up, operator evaluation of the label and location aid schemes integrated with other improvements would help to assure that enhancement."
H1AP has expended an extensive effort to perform an integrated demarcation and labeling study. These studies were conoucted by a special team using a systems engineer, a human factors specialist and g
senior level operators for review. The review incluced the use of full l
scale mock-up panel sections that were patch painted and hierarchially labeled. This effort was consistent with the above hRC guidance. See the Special Studies Report for details.
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" General Panel Layout Considerations of factors such as structural bracing of the main control e
boards and electrical separation had not been completed at the time of the introgress audit. Care shoulo be taken to assure that any layout l
changes due to these factors (especially on heavily instrumented panels such as CP006) do not degrade the operator interface. In addition, the
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impact of effective hierarchical labeling on layout should be considered (e.g., on CP006 and above the reactor coolant pump seal recorders)."
Main centrol panels CP-001 thru 010 have been completed and meet current seismic requirements. The final structural design did not affect h
the basic layout recommended in the CRDR process.
g HL&P emphasizes again that prior to and following the NRC audit extensive use was made of operators in the review of label and location aid developments. The continuation of such reviews is provided for in the Criteria Report, Appendix T.
4.2.9 Appendix Part D s
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"On the basis of a limited audit of the HL&P control room survey, concerns typified by the following examples were raised:
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HL&P SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC
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NUMBER REFERENCE CONCERN 1.
0459 6.4.1.1 HL&P OBSERVATION The following switches are not knurled handle selector switches. (NRC NOTE: list of switches has been omitted from
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this report.)
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HL&P RECOMMENDED ACTION Change switch w
type to knurled handle.
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SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC E
NUMBER REFERENCE CONCERN
- 1. (Cont'd)
NRC CONCERNS Shape coding of controls is reasonable, however knurled handle knobs used in the STP control room were observec to obscure the shaft pointer."
As a result of the NRC concern expresseo in the May 1983 audit, the DRT conducted a study of this problem. 'lhis study is reviewed in the Special Studies Report. The DitT recommenoco using lever hanoles which elminates this problem. 'lhe Criteria Report is revised accordingly. 'lhis correction will be validated on the installed control panels.
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SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC g
NUMBER REFERENCE CONCERN 2.
"0662 6.4.1.1 IIL&P OBSERVATION Pushbutton is used for DG emergency start.
HL&P RECOMMENDED ACTION Change switch type.
NRC CONCERN Recommenced action was rejected. Given that the STP control room will have a shape cocing convention, more than a "special case" rationale for no change appears required. 'Ihe consequence of not making the change necos to be assessed in terms of operators' overall concept of the control room, the potential for errors oue to an exception of convention, ano the acceptableness of such s
errors."
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DG emergency start is presently a pushbutton, it is located directly above the Emergency Trip Reset pushbutton. The two of them are demarcated to show the safety implication of their use. 'lhe use of these switches was reviewed and accepted by the STP operators assigneo to this review.
HMP
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SilEET NOREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC NUMBER REFERENCE CONCERN 3.
"0710 6.4.1.'l HMP OBSERVATION CR-2940s that are spring return to center are very hard to turn with some being hard to turn to the full right or full left positlon. Also pull-to-lock SBMs are hard to put in the locked position.
HMP RECOMMENDATION Recuee spring j
tension within switches.
NRC CONCERNS llecommenced action was rejected.
A large number of switches are involved, and their amount of use will probably vary a great deal. Thus a " reduction of spring tension with use" rationale for no change will
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apply to some switches more than others.
Assessment should assure that the involved switches (particularly any which must be held in an active position) are operable by all operators.
If operability problems exist, the recommended b
action or alternative actions (e.g., extender handles) should be reconsidered.
IIMP will assess all CR-2940 switches to assure that they are operable by
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all licensed operators.
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HL&P SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC NUMBER REFERENCE CONCEltN 4.
"0708 6.4.1.2 HL&P OBSERVATION Trip switches are above the rod control lever, which are subject to inaovertent activation because of the amount of time the operator has to hold the lever during start-up.
HL& P RECOMMENDED ACTION Reposition controls.
i NRC CONCERN Recommended action was rejected. 'Ihe observation appeared valid and recommended action appropriate. No rationale, in terms of safety concerns, for not following the recommended action was provided.
g Alternative actions do not appear to have been a
considered."
l The trip switches and rod control lever have been repositioned on the revised panellayout, correcting this concern.
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HL& P SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC NUMBER REFERENCE CONCERN
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5.
"0463 6.4.2.1 HL&P OBSERVATION The " AUTO" position is j
not located at the center position.
HL&P RECOMMENDED ACTION Move " AUTO" position to the center position.
NRC CONCERN 1. Will the " AUTO" position of the first three devices (listed in H L&P's Observation Report) conform to control room
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convention?
2.
'Ihe recommended action was rejected for a fourth device. More than a
" unique device" rationale for no change appears required.
The consequence of not making the change needs to be assessed in terms of the operator's overall
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concept of the control room, the potential for errors due to an exception to convention, and the
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acceptableness of such errors."
Hardware for items 1, 2 and 3 below is not available. An error due to misoperation has been evaluated and does not result in adverse system operation. Item 4 has been revised to conform to Off-Auto-Manual.
1.
XXXX-028-07-C04-307 STEAM DUMP LINE DN VLVS (AUTO, OPEN)
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LVXX-7916-07-C07-301 LH STM CllEST DRN VLV (AUTO, OPEN) 3.
LVXX-7918-07-C08-301 RH STM CHEST DRN VLV (AUTO, OPEN)
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XXX-0018-07-D09-302 TURNING GEAR (OFF, M ANUAL, AUTO) 4-25 5.5/02234
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HL&P SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC NUMBER REFERENCE CONCERN 6.
"0465 6.4.3.3 HL&P OBSERVATION Lamp replacement for pushbuttons on the E.H. turbine operator control panel can not be done without activating pushbuttons on either side of the pushbuttons.
HL& P RECOMMENDED ACTION Provide greater spacing between pushbuttons.
NRC CONCERN Recommended action was rejected. More than the " inadvertent activation of operating pushbuttons can be defeatec" rationale for not following the recommended action appears requirco. The consequence of the inadvertent activation of controls, including the time to recognize ano correct the situation, needs to be assessea."
l Inadvertant activation of controls, including the time to recognize and correct the situation, has been assessed. HL&P will provide a special tool for relamping these pushbuttons.
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NUMBER REFERENCE CONCERN 7.
"0466 6.4.3.3 HL&P OBSERVATION Legend covers are not
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keyed to prevent possiblity of interchanging covers for pushbuttons and lights.
HL& P RECOMMENDED ACTION Key legend covers to identify correct position.
NRC CONCERN Recommended action was
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rejected. " Normal operating practice of only changing one lamp at a time" does not appear to
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provide as adequate correction as keying.
Keying and other alternatives (e.g., provision of a legend panel map) reduce the probability of error even when there is a breakdown in procedures."
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IIL&P will provide in the control room template type legend panel maps.
'Ihese maps will be stored near the replacement bulbs.
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NUMBER REFERENCE CONCERN 8.
"0473 6.5.1.3 HL&P OBSERVATION Character separation on legend pushbuttons and legend lights is not one stroke width.
0474 6.5.1.3 HL&P OBSERVATION Space between lines of text is not one-half character height.
0790 6.5.3.3 HL&P OBSERVATION Lettering on pushbuttons and legend lights on the SGFP turbine control panels do not meet criteria.
Character separation on some lights /pushbuttons is not one stroke width and line separation is not one-half the character height, and stroke width is not consistent.
IIL& P RECOMMENDED ACTION Engrave legends accoroing to specification.
NhC CONCEltN Recommenoco actions for 0473,0474, and 0790 above were rejected on the basis of the legend pushbuttons and lights being on a vendor supplied panel. The readability of legend pushbuttons and lights from a reasonable distance needs to be assured. If readability is poor, some corrective action should be taken regardless of the panel's source."
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llL&P will check legend engraving readability from appropriate operating positions using representative operators when the control room becomes q
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"0075 6.5.1.6 HL&P OBSERVATION The color amber is used to indicate a test position and white is used to indicate a simulate position, which does not follow control room color conventions.
H L& P RECOMMENDED ACTION Change indicator color from amber to white and change
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indicator to reo.
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NRC CONCERN Project and Managernent Review Team concurrences indicate white as appropriate for a test light and "any other color....for simulate." 'the use of "any other color" suggests limited control of color use in the control room."
A check of the control schematic for the generator ground detector shows that the colors are correct for the applications. A control room color convention has been added to the Criteria Report. This action removes the uncertainty noted by the NRC.
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HL&P SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC NUMBER REFERENCE CONCERN 10.
"0289 6.5.3.1 HL&P OBSERVATION A bulb-test capability or dual bulb /cual filament bulb is not provideo.
HL&P RECOMMENDED ACTION Provice lamp test capability.
NRC CONCERN The " Category D (minor)"
designation of this observation is questioned, g
Iluman errors such as those noted with the HL&P observation, i.e., (1) " failure to detect equipment failure," (2) " failure to detect equipment malfunction," and (3) " misinterpretation of equipment status" would appear to affect plant
- safety, availability, and reliability.
Some corrective action appears necessary."
The llL&P decision to classify this item a Category D is baseo on the redundancy provided by associated equipment, particularly the ESF status monitoring system. IlL&P recognizes this is a generic industry problem and will continue to monitor the industry for appropriate application of proven techniques.
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HL&P SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC NUMBER REFERENCE CONCERN 11.
"0483 6.5.3.1 HL&P OBSERVATION Legend lights / legend pushbuttons are located too high for easy f
replacement of burned out bulbs.
HL& P RECOMMENDED ACTION Resposition control and displays.
NRC CONCERN The recommended action was
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rejected on the basis that " frequency of this operation does not warrant relocation." Some action does appear necessary basco on the
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possibility of inadvertent activation of controls.
Although relocation may not be warranted, alternatives should be considered (e.r., provision of a portable platform which eases access and
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reouces the probability of inadvertent activation)."
l IIL&P plans to use a specially designed ladder platform for working with this equipment. 'Ihe acceptability at this platform will be val'dateo in the control room.
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NUMBER REFERENCE CONCERN 12.
"0792 6.5.3.3 HIAP OBSERVATION Some legends are not worded to tell status indicated by glowing of the l
light.
HIA P RECOMMENDED ACTION Changing wording to indicate the presence of the light.
NRC CONCERN Recommended action was rejected in favor of training. Iluman errors associated witti this observation would be more reliably reduced, over the life of the plant, by the originally recommenced action. It shoulo be noted that, even if the human error reduction were equal, the originally. recommenoco action g
would have a time and cost benefit over the life u
of the plant cue to recucco need for training."
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'Ihis problem will be correctec by the addition of labels with engravings to define the meaning of the lighted legends.
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HL&P SHEET NUREG-0700 OBSERVATION / RECOMMENDED ACTION /NRC
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NUMBER REFERENCE CONCERN 13.
"0491 6.5.4.1 HL&P OBSERVATION Viewing of the channel
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and being plotted can only be done af ter a 0688 period of time when the paper has moved down.
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H L& P RECOMMEN DED ACTION Relocate recorders to a lower position for easier viewing.
NRC CONCERN The recommended action was
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rejectad for 0491 on the basis that the pointer could be used until the paper rolls down. There
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is conceri that the rejection did not take into account factors such as the specific information needs being satisfied by the recorder (e.g., point data or trend data) and the consequence of the lag in data availability on operator action. The
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recommended action does not resolve the problem for the flagan Optimac 3-pen recorder
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referred to in 0688."
'Ihe recorders from Sheet 0491 are:
1.
Main Steam Pressure SG 1 & 2 2.
Main Steam Pressure SG 3 & 4 3.
Main Steam Temperature 4.
Main Steam Temperature
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g De Main Steam Pressure recorders are located on the recorder panel and provide a historical trend only. All operating evolutions are performed using meters on the main control panels.
The Main Steam Temperature recorders have been deleted.
We recorders from Sheet 0688 are:
1.
RilR IB llX1B inlet & outlet Temperature (accepted recommenoco action) 2.
RhST Levels 3.
Containment 11 b'V"I 2
4.
Containment Building Pressure The RilR liX recorcer is locatea on the main control panels, they are used to determine the relative amount of cooling being performed in the reactor coolant system when shutdown, cooled down and depressurized.
When the plant is in this condition a very large lag in information can be tolerated. De indication on the recorder is information only, the purpose of the system is to maintain primary coolant temperature which is indicated on the plasma display locateo adjacent to the RilR system on the control panels.
De RWST level recorder is located on the main control panel adjacent to the Si and Ri!R systems. It provides a trend, and historical trend. %ere are two meters for RWST level, and three separate instrument loops indicating RWST level in the QDPS. Operating evolutions are performed using the meters or the QDPS.
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'Ihe containment H and Building Pressure recorders are located on the 2
recorder panel. 'Ihey are for historical trends only. All operating evolutions are performed using the indication on the QDPS.
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'1he above discussion clarifies the usage of these recorders and shoulo resolve the concerns noted by the NRC.
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1 IIIAP SilEET NUltEG-0700 OBSERV ATION/ RECOMMENDED ACTION /bRC NUMBER REFERENCE CONCERN 14.
"0380 6.5.4.1 IIL& P OBSERVATION Number printing on recorder is crowded because numbers are printed on top of each other.
illa P RECOMMENDED ACTION Aojust recorder printing.
NRC CONCERN It is not clear that adjustment of recorcer printing will resolve the problem
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identified in the observation."
The recorders referenced in sheet number 0380 were reviewed with experienced plant operators.
Rey concurred with the engineering concept for these recorders. De intent of the printing is to proouco multi-point groupings. Deviations from these groupco zones provide the quick recognition for out-of-tolerance parameter (s) required for proper plant operations.
4.2.10 Appendix Part E On the basis of the hitC's limited independent control room survey, the following ilEDs were identified:
IIED N UltEG-0700 NUMilER ltEFERENCE llED I
1.
"b303 6.4.1.1 Pressurizer lleater control types are j
inconsistent.
One type may violate tiTP established convention."
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Differentation by type and by demarcation will emphasize the separate function of the control vs. backup heaters.
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2.
"B 10'.
6.4.1.1.b There appear to be controls and displays on
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the main control panels which are unnecessary for emergency operations and h
are used very infrequently during normal operations. Examples of this are:
1.
Chiller controls and displays on CP004.
2.
Spray Valve Supp Temp Loop 4
"T1605/T1604" and surge Line Temp "T1605" vertical meters."
1 The chiller controls and displays on CP0004 and the Spray Valve Supp Temp I
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Loop 4 "T1605/T1604" and Surge Line Temp "T1605" vertical meters have been reviewed with plant operations and it was concluded that although this equipment is not used frequently their location on the main control panels is very important to the planned overall plant control scheme.
3.
"B301 6.4.2.2.a STP pushbutton criterion does not cover all uses of pushbuttons. Examples are:
1.
D.G. EMERGENCY START pushbutton.
2.
Intermediate Range BLOCK pushbutton.
3.
Source Range BLOCK ano RESET on
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rotating switch."
The Criteria Report has been revised to cover the use of the above pushbuttons
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and others as required. '
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4.
"B305 6.4.2.2.a Use of "J handles" for Reactor Trip Switches does not conform to STP criterion to use Pushbuttons for "Irip functions."
An ext,ensive effort has been made to find pushbuttons that meet all regulatory and design criteria. Dere are no such pushbuttons available; consequently, the present J handled switches will be used but will be distinguishea in a unique way.
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"B401 6.4.3.3.a
'Ihere are several cases on panels where it is not possible to distinguish a status light from a control pushbutton. An example of this is the panel pushbuttons and legend status indicators on CP006."
g See special studies for the use of the octogon closed corner solution to this problem.
6.
"B201 6.5.1.1.b There are two "zero" positions on the same scale for the same variable inoication. No "Plus, Minus" inoications on meter face. This u
applies to E.H. 'Ibrbine Control, TV ano GV Tracking meters."
This is an error in the mock-up. 'Ihe actual equipment will be verified.
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7.
"B304 6.5.4.1.b Recorders have different scales and scale l
markings on the recorcer chart paper as
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compared to the meter scaling portion."
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HL&P will purchase paper with scale markings to match the recorder scales.
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8.
"bl02 6.8.2.4.a Panel-to-panel standardization is not followed for some groups of controls which appear on more than one panet Examples are:
i 1.
BYPASS AND INOPERABLE status test buttons on CP001 and CP002.
2.
Annunciator control buttons.
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Plasma cisplay control buttons."
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The final control room layout has standarizea the panel-to-panel grouping of controls.
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9.
"B103 6.8.3.1.b Annunciator controls and BYPASS AND INOPEItABLE status test buttons on CP002
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are located near each other.
'Ihey are similar and the operator may inadvertently
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operate one when the other is intended.
This item was resolved in the final panel layouts utilizing different test button arrangements and distinct demarcation.
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9 n n n n M n n n n n n n n n n R R R P D o"U go r= lI:o I C g SOUTM TEtAS PROICT Math CONTROL PANEL EQUIPKhi SYSTEM DATE 11/10/83 dM JOB 14925-001 TIE 22:52:55 2O REPORT ECLO6 EQUIP 4hi LIST PAGE 145 az n SORT: PANEL h0MBER(* ) 52011247511 REV 07 .g ITEM NO. OEVICE DESCRIPT!on POS/ ESCUTCHEON ENGRAvihG SUPPLIER L]GHTS LOGIC DWG. SEP. STAGE 5 REQD. INSTR TAG NO. P.O. LIGHT TTPE LOOP 0!A. SV5. 00hhECTOR NO. SCALE Latis MJ Mik WG HANDLE VEh06R WIR Pd. CEAN TYP/ TERM HFE REMARK 5 MODEL HANDLE TYPE ELEC(EL EM) ItEMARK5 TYPE / CAT.h0 PLG/5LT f Q CLA551F. 0061110 AFW PLM 14 REVISED MAGNETICS h/A N/A 0 N/A DIAF-PI-(9/83) TLR8 STM PRESS 1547 4304 h/A AF -- PE-7547 0 2000 P5IG 8 80 M 5T N/A T8 INPui 0-10 VDC VI-252 N/A h/A WAS 0011071 (6/83) VERT 0-6350 l 0061111 AFW Pt w 14 OlAF-PI-{9/83) REV!5ED MAGNETICS N/A N/A 0 h/A l 015CH PRESS I529 4304 N/A AF --- () gvy P!-7529 0 3000 251G 6 60 EST h/A - T8 ag O 3"Pui 0-30 VOC VI-252 N/A n/A g hAS 0011072 (6/83) VERT D-6350 2!$- - 0061112 AFW PMP FLOW REVI5EO (9/83) MAGhETICS N/A N/A 0 h/A y
- g TO % 10 OlAF-F1-7526 4304 N/A AF ---
9 A)2 FI-7526 0 700 GPM F 70 d 5T N/A -- is ce INPUT 0-10 VOC VI-252 h/A N/A Lgd WA5 0011073 (8/83) VERT D-6850 h3 a -r & $4 473 d ' 006Ill3 % IC FW FLOW nf 5T h/A h/A N N/A FI-0530/F1-0531 RIFW-FI-0530/0531 4000 N/A FW REMARKS 0 4.8 5 48 51GMA h/A 28-15 RC6107/RC6I10, thPUT 0-10 VDC 1 10 6 L85/HR 125l N/A N/A hA5 0061015 & 0G61014 (9/83) 5H.7-26&28 i 0061114 % IC STEAM FLOW W ST N/A N/A N N/A I FI-0532/FI-0533 NIMS-F1-0532/0533 4000 N/A MS REMARK 5 0 4.8 5 48 SIGMA N/A RC6109/RC6112. INPUT 0-10 VDC I 10 6 L85/HR 1251 h/A N/A 28-15 hAS 006!015 & 0061014 (9/83) $H.7-30&32 OO mO 006I115 AFW TUR8 SPEED MAGhETICS N/A N/A 0 N/A 53-7538 DIAF-SI-7538 4304 N/A AF --- (/) % 0 5000 RPM 10 50 EST N/A T8 VI-252 N/A N/A Q M11069 (6/83) VERT D-6350 E O 0061120 % 1A PROG LVL d 5T N/A h/A h h/A m LI-0551 hlFW-LI-0551 4000 N/A FW RC6109 m 0 100 PCT 10 100 51GMA N/A 29-15 1151 h/A h/A Q iheur 0-i0 v0C Sw.i.30 j mO %5
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! i k 1,I! DHL_l2. e r n a r-719 C2 p h 1P \\ ! I I b . _k/ lE l / is i !.. i i ip l I i y s _.n,- N I OPERATIONAL SEQUENCE DIAGRAM - LOSS OF OFFSITE POWER ~ I 4-54
l l l l PROBLEM REPORTED IN DER REPORT 8 n[, M
- 8. CONTROLS
- 1. TURBINE CONTROLS AND GENERATOR VOLTAGE AND BREAKER
[ CONTROLS ARE TOO FAR APART F REMARKS: lI I i
- 2. AUXILIARY FEEDWATER CONTROLS ARE SCATTERED I
REM AR KS: I l
- 3. CCNTROLS ARE NOT MIMICED AND HARD TO IDENTIFY REMARKS:
I I
- 4. VCT CONTROLS ARE POORLY ARRANGED I
REMARKS: l I I
- 5. MAIN FEEDWATER SYSTEM CONTROLS NOT GROUPED PROPERLY REM AR KS:
l Figure 4-16 4-55
L 1 b HOUSTON CONTROL ROOM lGHTlNG [ gggggy ggyggy _E POWER CO. { 5.0 SCHEDULE l { 'Ihis section lists all the activities planneo for completion as part of this CRDR. This planning is tied to completion prior to the following four major plant milestones: o Cold Hydro o Energization [ o Hot Functional o Fuel Load All items will be completed prior to fuel loading. HIAP will submit a supplementary executive summary report to conclude the CRDR reporting within a periou of three months following the completion of fuelloacing. [ 5.1 COLD HYDRO { Random label checkout (incluaing readability from normal control room o positions). Check of vertical meter pointer painteo red. o Check if demarcation painting complies with the recommendations of the o Demarcation Stuoy. ~ Verify the implementation of the use ano control of temporary labels. o Validate the correct usage of lamp replacement legeno maps. o ( Check of labels to correct icentifying raeaning of some status lights when o lit (sheet No. 0792). [ l .\\ [ [ 1 l 5.6/02234 5-1 6721W/0221W [
l HOUSTON CONTROL ROOM LIGHTING g gggg y gg ygg y b5 OWER CO. 5.2 ENERGlZATION o Check of annunciator tiles for compliance with the annunciator stucy
- results, o
Check of switch handles vs. readability of switch position. o Check for compliance of mt.ter scale markings. Random check of legend light engraving and " closed corner" markings. o 5.3 ilOT FUNCTION AL o Resolve and validate correction of Rototellite color problem, ano sample check of their engraving. o Resolve and validate correction of poor readability of the BYPASS / INOPERABLE status lights. E o Check out the QDPS plasma displays. o Check out the etfectiveness of annunciator horns. o Resolve and valicate correction of the problem for some meters to fail off-scale, o Complete the review of the iluman Engineering suitability and arrangement of panel devices. o Resolve ano validate correction for the problem for those switches that are difficult to turn, o Check of the inadvertant actuation and accessibility of controls to operatcrs. o Check of recorder paper and accessibility of supplies. I I 5.6/02234 b-2 J 6721W/0221W w
L E HOUSTON CONTROL ROOM UGHMG DESIGN REVIEW _ _._ECl POWER CO. 5.4 FUEL LOAD o Review and assessment of all Category E criteria (see item 16 of Section [ 3.2). o Complete validation of EOPs. { o Control Room Survey check of control room desk type stations useo during plant operations. [ [ [ [ [ [ [ [ [ [ 5.6/02234 5-3 6721W/0221W [
L E HOUSTON CONTROL ROOM LlGHTING gggggy ggyjgy ..._ M POWER CD. I E E [ { APPENDIX A { CATEGORY A HEDs DISPOSITIONS [ [ [ [ [ m [ [ [ [ 5.5/02234 7365w/0246w
u I H0USTON CONTROL ROOM , g 9, g DESIGN REVIEW _,_ g L ._E.9 POWER CO. I HF AREA orkspac HED CATEGORY ^ { SHEET l NUMBER OBSERVATION REFERENCE CRITERI A TITLE PARAGRAPH [ S-875
- 1. Neec AFW Flow Indication
- 1. AFW flow controller was relocated P-6.1.1.1 related to flow controller on panel 006 near inoicator
- 2. Neeo ECW pump disch. flow
- 2. ECW Flow Data was incluceo in
( indication data base for display on QDPS plasma display [ [ [ [ [ [ [ [ [ [ Note: Reference P is NUREG-0700 Section 6 number [ i i 2 s STP criteria report number P 5.5/02234 7365W/0246W A-1
i HOUSTON CONTROL ROOM l LIGHTING gggggy ggyggy g T39 POWER CO. Annunciator A HF AREA HED CATEGORY SHEET NUMBER OBSERVATION OR DISPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-510 System specification provides Five horns will be installed P-6.2.2.1 for only one D.C. buzzer. in the control room. S-511 Specific problems or devi-The annunciator study group reviewed P-6.3.3.1 ation are not given in some cach window engraving ano modified tiles. them considering this problem. See annunciator report. S-517 Annunciator windows lack The annunciator system design was 1 P-6.3.1.4 pricritization. changed to include three window colors to display priorities. 1 S-518 System specification does iator system design was P-6.3.1.3 not include "First-Out" aclude "First-Out" Annunciation. of all reactor anc S-526 Annunciators are not func- .nunclu study group re-P-8.5.1.1 tionally grouped, not arr iged each window box to logical, and not consistent. correct this problem. See annunci-ator report. S-530 ESF status lights difficult All status light boxes were placed P None to read, significantly lower en the panels g P-and the window messages were reduced 2 8.5.1.2 from four lines to three lines. J l i s NUREG-0700 Section 6 number Note: Reference P i P is bTP criteria report numb;r 2 5.5/02234 + 7365W/0246W A-2
a r A HOUSTON CONTROL ROOM LIGHTING g gggg y gg ygg y c L __.Jf! POWER CO. Annunciator A { HF AREA HED CATEGORY SHEET NUMBER OBSERVATION E OR DISPOSITION REFERENCE CRITERIA TITLE PARAGRAPH S-549 Window boxes have 96 windows The annunciator system design was P-which exceeds the maximum of changed to limit size of window g ( 6.3.3.3 50 criteria. box to 48 windows. The window size was increased by 60% S-566 Tile messages are not clear. 'lhe annunciator study group devel-l P-oped new text for each window that I [ g 6.3.3.4 is unambiguous and addresses alert conditions. S-567 Annunciator and status window 'lhe annunciator study group considered { P-engravings are inconsistent. this problem in their detailed review g 6.3.3.4 and incorporated criteria report abbreviations in the totally revised annunciator ano status engravings. [ S-774 Letter height are not 'lhe annunciator specified lettering P-adequate; tiles cannot height was changed from 0.1875 to g ( 6.3.3.5 be read trom controls 0.269 which provides a subteno'ed...- l position. angle of 15 minutes.- [ [ ~ [ [ Notes Reference P is NUREG-0700 Section 6 number [ P is STP criteria report number 5.5/02234 (
HOUSTON CONTROL ROOM g LIGHTING DESIGN REVIEW g o,. . -.,ER POWER CO. I HF AREA Visual Displays A HED CATEGORY SHEET l NUMBER OBSERVATION u OR DISPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-367 Rotatellite green light color Design implementation P-is not distinguishable. g 6.5.3.1 S-484 3-679 S-725 S-748 S-726 Bypass inoperable status Design implementation P_ lights are not readable due g 6.5.3.3 to narrow stroke width, character separation and line S-732 spacing. S-749 S-767 I S-727 Legend messages contain more Design implementation P-than three lines of text. g 6.5.3.3 S-731 g S-750 u S-768 J ] Note Reference P is NUREG-0700 Section 6 number g ] 2 s STP criteria report number i P s 5.5/02234 7365W/0246W A-4
u HOUSTON CONTROL ROO.'A LIGHTING g gggg y g g ygg y 2KI OWER CD. HF AREA Visual Displays (Continued) A HED CATEGORY SHEET NUM8ER OBSERVATION OR DISPOSITION [_ REFERENCE CRITERI A TITLE PARAGRAPH ( S-0075 Two indicating lights do not A check of the control schematic P-follow control room color for the generator ground detector l g { 6.5.1.6 conventions. shows that the colors are correct l for the applications. l [ [ [ [ [ [ [ [ [ [ [ Note: Reference i Pg s NUREG-0700 Section 6 number ( P is STP criteria report number 2 5.5/02234 7365W/0246W A-5 (
r H*UsToN CONTROL ROOM ,gg q DESIGN REVIEW _,_ g ] . 3.9 POWER CD. Imbels HED CATEGORf ] HF AREA SHEET NUMBER OBSERVATION ] REFERENCE CRITERI A TITLE PARAGRAPH S-054 Some components are unlabeled. All components are now labeled P-CP-002 as part of the labeling study. g 6.6.1.2 ] ] ] s ] J ] Note: Referenca P,is NUREG-0700 Section 6 number ] i 2 s STP criteria report number i J P 5.5/02234 7365W/0246W A-6
e r HOUSTON CONTROL ROOM LIGHTING gggggy ggyggy n L ._JFI POWER CO. HF AREA Panel Layout HED CATEGORY ^ { SHEET NUMBER OBSERVATION E OR DISPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-568 Excess travelis required for The ESF systems have been relayed P-ESF operational tasks among out to minimize travel among panels y ( 6.8.8.1 panels 001, 002 & 003. 001, 002, & 003 for operational tasks. { S-576 S-603 [ S-569 Related ESF displays and These displays and controls have been P-controls are spread over relocated on panel 001, consistent g ( 6.8.8.1 three separate panels with the SFTA evaluation. (001, 002 & 003). b S-577 Related ESF displays and These displays and controls have been P-controls are spread over relocated on panel 002 consistent g 6.8.8.1 three separate panels with the SFTA evaluation. l (001, 002 & 003). S-604 Related ESF displays and These oisplays and controls have been ( P-controls are spread over relocated on panel 003 consistent g 6.8.8.1 three separate panels with the SFTA evaluation. { (001, 002 & 003). S-570 Controls and displays are not Panel CP-001 has been redesigned P-grouped by importance and to group controls and displays by g 6.8.8.1 frequency of use. importance and frequency of use. [ CP-001 [ Note: Reference P is NUltEG-0700 Section 6 number ( i 2 s STP criteria report number P 5.5/02234 7365W/0246W A-7
l l HOUSTON CONTROL ROOM l LIGHTING gggggy ggyggy g .NIE OWER CD. I HF AREA Panel Layout HED CATEGORY A SHEET NUMBER OBSERVATION OR DISPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-578 Controls and displays are not Panel CP-002 has been redesigned to P-grouped by importance and group controls and displays by g 6.8.8.1 frequency of use. importance and frequency of use. CP-002 S-605 Controls and displays are not Panel CP-003 has been redesigned to P-grouped by importance and group controls and displays by g 6.8.8.1 frequency of use, importance and frequency of use. CP-003 S-572 AFW related controls and dis-The AFW related controls and displays P-plays for AFW pumps are for AFW pumps have been relayed out g 6.8.8.1 widely separated. to accommodate operational task sequences. S-573 Identical groups of sub-Panel CP-001 has been relayed out with P-system displays are not with consistent sub-system grouping. g g 6.8.2.3 arranged consistently from l panel to panel. I S-598 Same as S-573. Panel CP-002 has been relayed out P-with consistent sub-system grouping. g 6.8.8.1 S-593 Same as 573. Panel CP-003 has been relayed out with consistent sub-system grouping. Note: Reference Pi s NUREG-0700 Section 6 number i n P is STP criteria report number J 2 5.5/02234 7365W/0246W A-8 s
EL HOU5 TON CONTROL ROOM LIGHTING gggggy ggyggy . E OWER CO. HF AREA Panel Layout A { HED CATEGORY SHEET NUMBER OBSERVATION [ REFERENCE OR DISPOSITION CRITERIA TITLE PARAGRAPH ( S-574 Arrangement and location of Panel CP-001 has been redesigneo and P-controls and displays are controls and displays repositioned for g { 6.8.2.4 not maintained from panel to standardization from panel to panel l panel CP-001 S-599 Arrangement and location of Panel CP-002 has been redesigned and P-controls and displays are not controls and displays repositioned g 6.8.2.4 maintained from panel to standardization from panel to panel. ( panel (MSIV; PURGE, VENT & H 2). { CP-002 S-575 Separation between adjacent Panel relay out work corrected P-switches is less than minimum problem. g 6.8.3.1 allowed. [ CP-001 [ [ [ [ [ Note: Reference P is NUREG-0700 Section 6 number [ P is STP criteria report number 5.5/02234 7365W/0246W A-9
f HOUSTON CONTROL ROOM LIGHTING g gggg y gg yjg y g blE OWER CO. HF AREA Panel Layout A HED CATEGORY SHEET NUMBER OBSERVATION OR DISPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-600 Separation between adjacent Panel relay out work corrected P-switches is less than minimum problem. 'Ihere are a few switches on g 6.8.3.1 allowed. on CP-002 that still do not meet CP-002 criteria. A review of their switch position versus function indicates there is no problem with switch handle interference or accidental actuation. The following switches are cited: Traveling SCRN - Start /Stop SCRN Wash Pump -Start /Stop (Train's A, B, & C) S-0594 Separation between adjacent Panel relay out work corrected the P.6.8.3.1 switches is less than minimum problem. allowed. I CP-003 I I I J Note: Reference Pi s NUREG-0700 Section 6 number i T 2 s STP criteria report number i P 5.5/02234 7365W/0246W A-10
u E HOUSTON CONTROL ROOM LIGHTING g gggg y gg ygg y !. 2E POWER CO. HF AREA Control / Display Integration A { HED CATEGORY SHEET NUMBER OBSERVATION [ OR DISPOSITION REFERENCE CRITERIA TITLE PARAGRAPH S-068 Labeling of control and Consistent labels for controls and 5.7.2.2 associated displays do not displays have been provided to Contain the same wording. conform with the labeling design CP-003 guide. S-322 Labeling of controls and Consistent labels for controls and 5.7.2.2 associated displays do not displays have been provided to contain the same wording. conform with the labeling design CP-001 guide. S-498 Labeling of controls and Consistent labels for controls and [ 5.7.2.2 associated displays do not displays have been provided to con-contain the same wording. form with the labeling design guide. { CP-002 [ [ [ [ [ [ Note: Reference P is NUREG-0700 Section 6 number [ P is STP criteria report number 5.5/02234 7365W/0246W A-l l
L- [ ~ HOUSTON CONTROL ROOM 1.lGHTING e gggggy ggyggy . __E OWER CO. [ [ APPENDIX B CATEGORY B HEDs DISPOSITIONS { (Representativa Samples) [ [ ( [ [ [ [ [ [ [ [ { 5.5/02234 l 4534W/0128W
L l HOUSTON CONTROL ROOM LIGHTING gggggy ggyggy L ._2E POWER CD. HF AREA Workspace 0 [ HED CATECORY SHEET NUM8ER OBSERVATION [ OR DISPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-109 Switches and pushbuttons are A handrailis provided to the { P -6.1.2.2 less than two inches from the fronts of panels CP-001 thru g front edge of the board C P-010 CP-001 [ S-111 Ditto for CP 002 [ S-ll3 Ditto for CP 003 S-118 Ditto for CP 007 S-Il0 Controls are greater than The controls were relocatea as part P -6.1.2.2 25 inches from edge of board of the redesign and meet the [ g C P-001 extended functional reach criteria recommended in the Anthropometry ( Study. l S-112 Ditto for CP-002 S-114 Ditto for CP-003 S-IIS Ditto for CP-004 S-Il6 Ditto for CP-005 S-ll? Ditto for CP-006 S-118 Ditto for CP-007 [ S-119 Ditto for CP-007 S-120 Ditto for CP-008 S-121 D;tto for CP-009 { S-122 Ditto for CP-010 [ {- Notes Reference P is NUREG-0700 Section 6 number P is STP criteria report number 5.5/02234 4534W/0128W B-1
1 HOUSTON CONTROL ROOM LIGHTING g gggg y g g yjg y PL!OF.CI POWER CD. I HF AREA HED CATEGORY SHEET NUMBER OBSERVATION OR DISPOSITION REFERENCE CRITERI A TITLE u PARAGRAPH g S-514 Annunciator controls are not The annunciator controls have been I P -6.3.4.2 coded for easy recognition designed to include a unique demarcation color patch. S-520 Alarm conditions are not 'the Annunciator Study Group reviewed P 2-8.4.9 combined into multiple input the total annunciator - ESF and windows optimized message combinations. The number of tiles was reduced from 1055 to 642. See Annunciator Report. S-525 RCP tiles on ILB005A should The combined effect of the major P 2-8.5.1.1 be located on CP004. panel redesign and the Condenser tiles on ILB007 annunciator study have should be located on CP 008 resulted in locating these tiles and CP 009 with their associated system equipment. S-527 Stroke-width-to-character- 'Ihe character height was increased PI-6.3.3.5 height ratio is not between from 3/16" to 1/4" and the stroke 1:6 & 1:8 and stroke width width was increased to.04" providing is not consistent across a 1:6.25 ratio. all tiles I ] P1 s NUREG-0700 Section 6 number i Note: Reference i 2 s STP criteria report number i J P 5.5/02234 4534h/0128W B-2
F HOUSTON CONTROL ROOM IGHTING g gggg y gg yyy y L ._..'EE POWER CO. { HF AREA HED CATEGORY SHEET NUMOER OBSERVATION [ OR DISPOSITION REFERENCE CRITERI A h TLE PARAGRAPH [ S-528 Space between characters is The labeling guide which is now Pl-6.3.3.5 not consistently one stroke part of the Criteria Report specifies width in Table 1-1 a character spacing equal to the letter stroke width. The labeling [ guidelines are being imposed on the annunciator supplier for the STP. [ [ [ [ [ [ [ [ [ [ Notes Reference P is NUREG4700 Section 6 number { i Pi is STP criteria report number 5.5/02234 4534W/0128W B-3
ff HOUSTON CONTROL ROOM l LIGHTING DESIGN REVIEW n TNI POWER CD. HF AREA HED CATEGORY SHEET NUMBER O BSERVATION OR DISPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-354 The auto position on fourteen These switches were changed t.o open/ P -6.4.2.1 rotary selector switches on auto /close. g panel CP 008 are on the left position S-460 Eight selector switches are These switches were changed to rotary P -6.4.1.1 not rotary selector switches selector switches and are now located g on panel CP 007 on CP 006. S-461 'Ihe following reset P -6.4.1.1 actuation or trip switches g are not pushbutton switches: Changed to pushbuttons: 7S-0022 STM LN ISOL 7S-0022 and moved to CP 006 7S-0023 STM LN ISOL 7S-0023 and moved to CP 006 7S-0017 TURB. TRIP 7S-0017 and moved to CP 006 7S-0011 STM LN ISOL ACT Not changed since there is no 7S-0012 STM LN ISOL ACT pushbutton capable of matching the u switch development of the pistol grip switch. l ] Note: Reference P is NUltEG-0700 Section 6 number P is STP criteria report number 5.5/02234 4534W/0128W B-4 q
r L HOUSTON CONTROL ROOM lGHTING g g ggg y gg ygg y [ _[lN POWER CD. Controls B HF AREA HED CATEGORY SHEET NUMBER OBSERVATION OR DISPOSITION [ REFERENCE CRITERIA TITLE PARAGRAPH S-703 Legend pushbuttons Special study recommended the "Close Pl-6.4.3.3 are not readily distinguish-Corner Octogon" for marking the ( able from legend lights. controls. Bechtel Engineering will implement this recommendation. [ S-712 Twenty-Seven switches used These switches have been changed to for pump or fan operations J-handled switches. A few of these [ or for breaker control are switches were eliminated. rotary selector type switches [ instead of J-handled switches. [ [ I [ [ [ [ [ Note: lieference P is NUllEG-0700 Section 6 number ( P la STP criteria report number 2 5.5/02'134 4534W/0128W B-5
( I pl HOUSTON CONTROL ROOM g LIGHTING gggggy ggyggy g .WFT POWER CO. HF AREA HED CATEGORY SHEET l NUMBER OBSERVATION E OR DISPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-006 Meter zone markings are not Meter zone marking technique recom-PI-6.5.2.3 used to denote operational mended as part of special studies implications will be used to mark meters in the field on a plant evaluated need basis. See special studies report for meter marking technique. S-335 'the following meter scales Meters markings specified to comply. on CP 009 are not graduated Meter marking specified as follows: in l's, 2's, S's or 10's. Pi-8509 STA AIR PRESS Major div. 25 minor div. 5 P1 - 8563 INST OUT. AIR PRESS Major div. 25 minor div. 5 INST AIR DRYER XI-8225 WIND DIRECTION Major div. _ minor div.,.,(later) LI-6670 RESERVOIR LEVEL Major div.10 minor div.1 S-371 Space between lines of text on legend lights /pushbuttons is not one-half the character height. I N1-0002M Reheat Temp. Cont. CP 008 Notes Reference P is NUltEG-0700 Section 6 number P is STP criteria report number 5.5/02234 4534W/0128W B-6 )
[ HOUSTON CONTROL ROOM LIGHTING g y gyg g g g ygg y [ _$$ OWER CO. { HF AREA HED CATEGORY SHEET NUMBER OBSERVATION h REFERENCE CRITERl TITLE PARAGRAPH S-376 Scale on recoroing Paper will be purchased with scales P -6.5.4.1 Paper is not the same as the to match the recorder scales. g scales on the recorder I ( XR 6008 { S-486 Standard abbreviation is not The labeling study reviewed the P -6.5.3.3 used on legend lights. Drain messages of alllabels in relation to g should be DRN the addition of hierarchiallabels. The instructions to the panel fabricator show this item to be corrected per the iterative ( human factors / operator review process to optimize labeling. [ [ [ [ [ [ [ Notes Reference P is NUREG-0700 Section 6 number ( P is STP criteria report number 5.5/02234 4534W/0128W B-7
l pp HOUSTON CONTROL ROOM l \\ IGHTING DESIGN REVIEW n
- ClKI POWER CO.
I HF AREA HED CATEGORY SHEET NUMBER OBSERVATION OR OlSPOSITION REFERENCE CRITERI A TITLE PARAGRAPH S-013 No hierarchiallabeling An extensive study corrected this P1-6.6.1.2 scheme is provided, llED. See labeling report in Special Studies R port. I S-019 Standard abbreviations are General problem corrected as above P I-6.6.3.2 not used for the following words: Temperature, pressure. T1 - 8227 These meters have been deleted thro-P1 - 8509 ugh design ev'olution. P1 - 6059 S-584 One hundred and seventy three The label study changed the letter PI-6.6.4.1 labels on CP003 use 0.125 inch height to 0.75 inches which doubles letter which allows a viewing the viewing distance (42 inches). distance of only 21 inches S-591 Stroke - width-to-character This general problem was resolved by P 1 -6.6.4.1 height ratio is not between the results and implementation of the 1:6 and 1 8 on the service labeling study results. engravings and engraving is inconsistent. I I Note: lleforence P is NUltEG-0700 Section 6 number T P is STP criteria report number J 5.5/02234 4534W/0128W U-8
H*USTON CONTROL ROOM , g g, DESIGN REVIEW s [ ._.. POWE R CO. HF AREA HED CATEGORY SHEET NUMSER OBSERVATION { REFERENCE CRITERI TITLE PARAGRAPH [ S-619 Space between characters on The labeling guide which is now part PI-6.6.4.1 the service engraving is not of the Criteria Report specifies in ( at least one stroke width. Table 1-1 a spacing equal to the lettering width. [ [ [ [ [ [ [ [ [ [ Note Reference P is NUREG-0700 Section 6 number ( P is STP criteria report number 2 5.5/02234 4534W/0128W B-9 (
pp HOUSTON CONTROL ROOM LIGHTING g gggg y g g ypy y g WNI POWER CO. I Panel Layouts B HF AREA HED CATEGORY SHEET NUMBER OBSERVATION OR DISPOSITION REFERENCE CRITERI A TITLE W PARAGRAPH S-003 More than five similar com-CP004 has been total redesign P -6.8.3.2 ponents are in an unbroken with extensive use of mimics. The g row on CP 004 problem no longer exists. S-412 Steam Dump Selector Switches A review of the rearranged Steam P -6.8.8.1 are separated from the Steam Dump Subsystem shows this problem is g Dump Controllers. corrected. S-413 Enhancement techniques are not A major panel redesign resulted P -6.8.1.3 used to separate turbine in excellent separation (on two sepa-g controls from main steam rate panels), each demarcated and control. hierarchial labeled. I S-571 The controls and displays at CP 006 has been rearranged ano this the system level are not problem no longer exists, arranged according to freq-uency of use or importance C P-006. I 1 I I I i Pg s NUllEG-0700 Section G number l Note: Iteference P is STP criteria report number J 2 5.5/02234 4534W/0128W B-10
e u. HOUSTON CONTROL ROOM LIGHTING DESIGN REVIEW -.J.9 POWER CO. HF AREA HED CATEGORY SHEET NUMBER OBSERVATION OR DISPOSITION [ REFERENCE CRITERIA TITLE PARAGRAPH [ S-797
- 1. PORV's & related block The major panels redesign has i
P -6.8.2.1 valves are not arranged in corrected titese observations. g left to right configura-tion. (PCV-0655A,0656A, [ RC-0001 A, RC-0001B.
- 2. Pressurizer heaters not
{ arranged in L rF-R or T-T-B order of use.
- 3. Pressurizer spray and pres-(
surize: controls are not in a L-T-R or T-T-B order of { use (PK 0655 A, B, C)
- 4. PRT valves are not arranged
[. in a L-T-R or T-T-B order of use. (FV 3653,3652, [ 3650,3651, LV 3655. [ [ [ [ Note: Reference P is NUREG-0700 Section 6 number ( P is STP criteria report number 5.5/02234 4534W/0128W B-ll
HOUSTON CONTROL ROOM LIGHTING gggggy ggyjgy __.E OWERCO. ] Control / Display ] HF AREA HED CATEGORY SHEET NUMBER OBSERVATION OR DISPOSITION REFERENCE CRITERI A TITI.E PARAGRAPH S-0 01 Corresponding controls and These devices have been rearranged PI-6.9.2.2 displays do not occupy the and integrated. The switch transmit-same relative position ter position is now directly below (switches - 0010S, -0009S, the indicator (new switch type). - 0012S, - 0011S, meters ] F1-0530, F1-0531, FI-0540 and F1-0541, CP-006. ] S-065 Displays separated by a non-These devices have been rearranged PI-6.9.1.1 related display. (Pl-0830, and integrated. 'Ihey are now located L1-0832 A) CP-003. on CP 002 ] S-494 Related controls are not These devices have been rearranged in ] Pl-6.9.1.1 grouped (switches - 0040, mimic format. 0052 and 0050). Labels do not identify control & display the same (letdown HX, etc., PI-0135, Proc. Controller 0006 ] & switch 0001). CP-004. ] ] ] ] Note Reference P is NUREG-0700 Section 6 number P is STP criteria report number 5.5/02234 4534W/0128W B-12 I
r HOUSTON CONTROL ROOM LIGHTING gggggy ggyggy n' _E POWER CO. Control / Display ( gradon { HF AREA HED CATEGORY SHEET NUMBER OBSERVATION [ REFERENCE CRITERI A TITLE OR DISPOSITION PARAGRAPH S-0495 The following displays are not 'Ihese devices have been rearranged Pl-6.9.1.1 directly above their associ-and are now located in close proxi-ated controls mity to their associated controls with each subsystem. These are furt-( TI-9732 her enhanced by color demarcation l PI-0862 patches and hierarchial labels. { TR-0875 L1-0952 CP-002 S-503 Six displays are located The meters were integrated with [ Pl-6.9.1.1 above eye level the QDPS. All parameters are still available and located in the prime [ T1-0451 eye level area of the panels. 'Ihe T1-0461 recorder is at eye level. { T1-0471 T1-0452 T1-04762 T1-0472 TR-0612 ( C P-005 [ [ [ ~ Note: Reference P is NUREG-0700 Section 6 number [ P is STP criteria report number 5.5/02234 4534W/0128W B-13
HOUSTON CONTROL ROOM IGHTING [ g yggg y g g ygg y M POWER CD. [ [ APPENDIX C LIST OF DEVIATIONS FROM THE CltlTERIA REPORT GUIDELINES hlTH JUSTIFICATION [ [ [ [ [ [ [ [ [ [ [ [ 5.5/02234 4290%/0133W
r: CRDR CRITERZA REPORT [ DEVIATIONS-F. PARAGRAPH L CRITERIA / NUM8ER DESIGNED TO JUSTIFICATION [ CRITERIA: [ 6.2.1.3.F fach control shall be recogniz-Although pushbuttons have able in terms of its function, been used for single and shall conform to operator function control 1.e., [- expectations, such as: trip, reset, etc. the contact configuration and F. Pushbuttons, CR-2940 - separation requirements trips, reset functions, lamp precluded the use of ( test or annunciator control pushbuttons for these actuate and reset appli-cations. DESIGNED T0: J-type handles were chosen for (. Engineered Safety Features Actuate and Reset applications and the Reactor Trip actuation [ for ease of operation and to differentiate the spring return action from maintained action selector switches where lever ( type handles were used. CRI AIA: [ 6.3.1.4 Display failure For protection system (Ref.: NUREG-0700, Sec. 6.5.1.1) displays, the operator [. wnen panel instruments, such can discern instrument as meters, fail or become failure through cross-inoperative, the failure shall channel checking'with be apparent to the operator redundant meters or via ( (e.g., through off-scale the QDPS. The QDPS indication). ~ performs cross-channel checking and provides the [. - operator with a quality tag for each input. DESIGNED T0: [ Standard W NSSS output signals to panel m_eters are 0-10 Vdc and f as such do not provide off-scale L ' indication. ( [' C-1 25.5/02234L 7338W/0244W
CRDR CRITERIA REPORT DEVIATIONS PARAGRAPH CRITERIA / l NUMBER DESIGNED TO JUSTIFICATION g CRITERIA: App. A Foot room allowances of 4 inches Based on information both horizontally and vertically received from the Main l A.2.4 or greater should be incorporated Control Panel supplier I in the stand up control panel. and seismic consultant, the 4-inch vertical oy 4-inch horizontal toe space originally provided within the design of the HVAC and Miscellaneous Recorder panels was eliminated, due to anticipated concern regarding seismic qualification. Center of gravity and weight displacement incurred by cantilevering the face plate or l instrument bearing surface l outward over the base would require extreme modification to the panel structure in order to achieve seismic stability. Upon evaluating the vertical panel design, equipment layout and equipment use, seismic stability is considered more important than the toe space. I I l 5.5/02234 7338W/0244W s
E HOUSTON CONTROL ROOM lGHTING 7 g yggg y gg ygg y POWER CO. [ APPENDIX D ( LIST OF CLO/IIEDs VS. C11S ItEPORT VOLUME AND PAGE NO. [ [ [ [ [ [ [ [ [ [ [ i [ 5.5/02234 ( 5852W/0196W {
LIST OF 0 0/1508 VS. OtS REKRT [ SHEET 70. WX1DE PAGE 70. SHFET 70. WX11E PAGE 70. ( 001 III 140 050 IV Q34 002 III I22 051 III F7 003 III H129 052 F49 [ 004 III H128 053 III F91 005 E241 054 F127 006 II E220 055 IV 0-3 007 056 IV 0-12 [ 008 057 III F152 009 IV Mll 058 IV F230 010 059 E177 (' 011 Il D34 060 II E218 012 IV M10 061 II E239 013 III F37 062 IV N32 014 III F79 063 IV N43 [ 015 III F121 064 IV N50 016 III F142 065 III 19 017 IV 0-9 066 128 ( 018 IV 0-18 067 III 138 019 III F171 068 III I44 020 III F260 069 III 169 021 III H21 070 IV Q4 [ 022 I!! H46 071 IV Q14 023 III H67 072 IV Q24 024 Ill H98 073 IV Q33 ( 025 i!I H112 074 II E176 026 III Hil8 075 II E178 027 H124 076 H18 [ 028 III H20 077 I!! H66 029 III H43 078 III H71 030 III H101 079 H94 031 Hil6 040 IV N13 (- 032 III H123 081 IV N33 033 III H131 082 IV N34 034 H134 083 IV N44 ( 035 III HI35 084 IV N51 036 III H144 085 IV Q7 037 H99 086 IV Q17 038 III H102 087 IV Q27 ( 039 III !!!20 088 IV J1 040 H126 089 IV J2 I 041 III H133 090 IV J3 ( 042 III H145 091 043 III 15 092 044 125 093 IV J5 045 130 094 IV J6 [ 046 III 152 095 -IV J7 047 IV Q6 096 IV J8 048 IV Ql5 097 IV J9 ( 049 !Y Q25 098 IV J10 099 IV Jll ( 5.5/02234 ( 7361W/024ew D-1 l L
r LIST OF CID/IIII:3 VS. GS REIORT SIIFEP PD. \\OIIAE PME FO. SIEET m. \\OIIAE PME PO. 100 IV J12 150 IV J42 101 IV J13 151 IV J43 102 IV J14 152 IV J44 103 IV JIS 153 104 IV J16 154 l 105 IV J17 155 IV J45 l 106 IV J18 156 IV J46 107 157 IV J47 108 IV J19 158 IV J48 109 II 3B 159 IV J49 110 10B 160 IV J50 111 II SB 161 IV J51 l 112 11 12B 162 IV J52 l 113 11 7B 163 IV J53 114 11 14B 164 IV J54 115 II 16B 165 IV J55 116 188 166 IV J56 117 II 20B 167 IV J57 118 11 9B 168 IV J58 l 119 11 22B 169 IV J59 1 120 Il 24B 170 IV J60 121 II 2GB 171 IV J61 122 11 27B 172 IV J62 123 IV J25 173 IV J63 124 IV J26 174 IV J64 125 175 IV J65 126 176 IV J66 127 177 IV J67 128 178 IV J68 129 179 IV J69 130 180 IV J70 131 IV J27 181 IV J71 132 IV J28 182 IV J72 133 183 IV J83 134 184 IV J84 135 185 IV J85 l 136 186 IV J86 l 137 IV J29 187 IV J87 138 IV J30 188 IV J88 139 IV J31 189 IV J89 140 IV J32 100 IV J90 141 IV J33 191 142 IV J34 192 143 IV J35 193 IV J81 144 IV J36 194 IV J82 145 IV J38 195 146 196 III F97 147 IV J39 197 Ill F39 148 IV J40 198 11! F81 149 IV J41 199 111 F123 5.5/02234 7361W/0246W D-2 s
LIST OF CID/IE05 V8. CBS REPCRT SIEET 10. " ,VOIDE PME 10. SFEKr 10. WX1AE PME PO. ( 200 1 ! I' F143 250 IV K22 , 201 ' ' IV .'0-10 251 202 IY 0'19 - 252 iV K23 [ III, '. 203 P262-253 lY K24 204 - F172 254 205 -F368 255 IV K25 206 "f",'III -1369 256 IV K26 ( '~ 207 1II . F370
- 57 -
IV K27 208. ,Ill, [ F371., 258 209 FJ., 259 IV K28 [ f.,'III,Ill M fr)5 210' 'F43 - 260 IV K29 211 261 212 til F134 262 213 !Y / 0-1 J2r,3 lY K30 [ 214. IV 011 ,* A 264 IV K31 215 F150,' 265 /- IV K32 216 Ill ' ' /'F174' 266 IV K33 ( 217 111 i 267 "" IV K34 ,]P24 218 /--, 265 IV K35 219 ,/g 26e JY K'. 6 220 270 IV [ K37 271 IV K38 221 l+ 222 272 IV 223 .IV M1
- '273 2 IV M39
~ K40 ( 224 w, 274 ' IV' K41 + 225 275 ?N' 226 lY ..EJ 278 -, IV/ K42 227 lY K3-277 ilV. K43 ( 228 ~, 278 !Y ' e - K44 229 IV K5 2T9 IV , K45 230 lY M6 280 I V ^^ K46 (' IV1~,I 231 IV.- K7' 281.r-232 / 282 % K47 233 IV M8 283' ' IV ,'f48 [ .lY K10 + . 285 - IV, N4 234 IV K3,. 284.- lY , $19 235 236 '286 - 1I E175 '^ ' y 287' ',C / 237 IV , Kil ( 238 IV K12 -=
- E200
, '2484" 239 IV K13 180. ~ 4 II E222 240 lY ' Kl4 290 c, IV N2ti (' 241 IV MI5 / 291~ lY N35 242 IV l'16 292 IV M45 f ^. 243 lY K17 - ',.293 / 'IV N52 ' 244 IV MIS 194 11. E266 - ( 245 IV - K!9 ~J95 II ,8276 ~ 246 lY M20
- 296 t lY a
- N57 i," 247 197 IV' % *'>N5 ( 248 298 e'. ~ ~ * ' / o-, }j, II E204 ', 249 lY K21 '299 e j ( [+1 i QL } ~\\ 'j', y 5.5/02234 '4 /) { 7361W/0246W '/ >[v, ',[ -( A ~ Y i / 7l-y j,,, t 'D
- t--__ J ' -
_x. - _:----_-_-_------
LIST OF OD/HEES VS. 06 REIORT SilFET W. \\OIDE PME W. SIEET m. \\UIDE PAGE W. 300 II E226 350 IV fv5 301 IV N28 351 II D55 302 IV N37 352 303 iV N47 353 II D58 304 iV N54 354 II D51 l 305 II E270 355 E18 3 306 II E280 356 II E37 307 IV N59 357 II E32 308 IV N7 358 IV Nll 300 359 II E123 310 11 E206 360 II E131 311 II E229 361 II E149 l 312 1V N29 362 II E167 q 313 IV N38 363 E183 314 IV N48 364 II E216 315 IV N55 365 IV N31 316 11 E271 366 II E236 317 367 II E249 318 IV N60 368 IV N42 319 III 17 369 IV N49 320 111 126 370 IV N56 321 Ill 136 371 II E258 322 III I42 372 II E275 323 III I46 373 II E284 324 IV Q2 374 II E286 325 IV Q12 375 IV N64 326 IV Q22 376 11 E289 327 iV Q32 377 II E298 328 II E41 378 II E309 329 II E129 379 11 E313 330 II E153 380 II E315 331 II E170 381 II E317 332 II E39 382 III i13 333 IV N12 383 III I18 334 II E124 384 III 157 335 II E169 385 IV Q9 l 336 11 E184 386 IV Ql9 l 337 II E314 387 IV Q29 338 II E316 388 II E299 339 iI E318 389 II E310 340 Ii D20 390 II E94 341 III F133 391 1I El51
- ll 342 III F210 392 II E133 343 til F302 393 111 124 344 Ill F362 394 lil 150 345 III F212 395 IV Q10 346 III P304 396 iV Q20 347 III
/323 397 IV Q30 348 III F364 398 til 116 349 II D17 399 III 121 5.5/02234 1 7361W/0246% D-4 J s L_____._.__
LIST OF CID/HEIE VS. CBS REKRT SIEET m. MXIAE PAGE W. SHEET m. WXIME PAGE W. r L 400 III I55 450 III F253 401 IV Q8 451 III F355 402 IV Q18 452 III F31 { 403 IV Q28 453 III F319 404 II Elll 454 III F131 405 IV N22 455 III F140 406 II E113 456 IV 0-7 [ 407 IV N24 457 IV 0-16 408 .II E199 458 III F166 409 II D19 459 II D29 [ 410 III H23 460 II D33 411 III H48 461 II D48 I 412 III H73 462 IV M8 413 III H136 463 II D50 [ j 414 III H50 464 II D54 415 III H74 465 II D56 416 III H122 466 II D57 ( 417 III H138 467 II E16 418 III H52 468 II E90 419 III H103 469 II E35 {- 420 III H142 470 II E61 421 III HG5 471 II E109 422 III H92 472 IV N10 423 III 13 473 II E96 [ 424 III I15 474 II E97 425 IV Q31 475 II E122 426 IV Q21 476' II El47 [- 427 IV QII 477 II E166 428 III F428 478 IV N20 429 III F33 479 II E193 430 III F75 430 II E214 ( 431 fil Fil7 481 II E234 432 III F132 482 IV N30 433 III-F141 483 II E243 [ 434 IV 0-8 484 II E248 I 435 IV 0-17 485 IV N41 436 III F168 486 11 E274 437 III F206 487 II E283 l (- 438 III F222. 488 IV N63 439 III F256 489 II E297 440 I1I F298 490 II E308 ( 441 III F321 491 II E312 442 III F358 492 III' F146 443 III .F223 493' III -. -F149 444 III F148 494 III Il0 [ 445 495~ III-18 446 III-F114 ' 496 III 1 I27-447 III F295 497 III 137 ( 448 III F72 498 III I43 449 III F203 499 III 148 [- j .5.5/02234 h 7361W/0246W-D-5 s, _I f 'r
] LIST OF CIJD/HEIE VS. CRS REIGT ] D SHEET PD. M ME PACE 10. SHEET 10. M ME PAGE PO. 500 IV Q3 550 501 IV Q13 551 II C41 502 IV-Q23 552 II C42 ] 503 III I1 553 II C43 504 III Il2 554 505 III I20 555 II C44 ] 506 III 154 556 II C45 507 IV Q6 557 IV L14 508 IV Q16 558 509 IV Q26 559 510 II Cl 560 II C46 j 511 II C3 561 512 562 II C47 ] 513 II C5 563 IV L15 514 II C6 564 515 II C8 565 516 II C10 566 II C43 1 517 'II C11 567 II CSI J 518 II C12 568 III H1 519 II Cl3 569 III H27 ] 520 II C14 570 III .H53 521 II C16 571 III H76 522 II C17 572 III H69 523 II C18 573 III H105 1 524 IV L1 574 III H108 J 525 II C20 575 III Hil3 526 II C21 576 III H8 ) 527 II C24 577 III H33 528 II C26 578 III H56 529 II C28 579 !II H82 3 530 II C30 580 II E7 531 IV L3 58! III F312 532 IV L4 582 III F236 533 IV LS 583 III F218 534 IV L6 584 III F186 535 IV LT 585 III F154 536 II C32 586 IV 0-13 527 II C33 587 IV 0-4 538 II CJ4 588 539 II C35 589 III F55 540 II C36 590 541 II C37' 591 III F266 542 II C38 592 III F326 543 IV L8 593 III H107 ] 544 IV L9 594 III H115 545 IV L10 595 III 308 546 IV ~ Lil 596 III F216 547 IV L12 597 III F130-j 548 IV L13 598. III H106 j 549 II C39 599 III H110 ] 5.5/02234 7361W/0246W D-6 J ~_
b LIST OF QD/HEIE VS. CRS REPTI' [ SHEET 10. MXIME PAGE E. SHEET 10. WID1E PAGE 10. 600 III H114 650 II E128 601 III F13 651 II E140 602 III F278 652 II E161 { 603 III H14 653 II E181 604 III H39 654 IV N17 605 III H62 655 II E191 606 III H88 656 II E287 607 III F338 657 II E293 1 608 III F22 658 II E303 609 III F64 659 II D5 { 610 III F106 660 II D30 611 III F138 661 II D37 612 IV 0-6 662 II D44 613 IV 0-14 663 IV M3 [ 614 III F161 664 II E4 615 III F195 665 II E22 616 III F220 666 II E57 { 617 III F245 667 II E78 618 III F287 668 II E100 619 III F316 669 IV N6 620 III F347 670 [' 621 IV 0-15 671 II E126 622 III F139 672 II E136 623 III F110 673 II E157 [ 624 III F68 674 IV N15 625 III F26 675 II E187 626 III F199 676 II E202 627 III F221 677 II E223 [ 628 III F249 678 IV N27 629 III F319 S79 II E246 630 III F291 680 IV N36 [ 631 III F351 681 IV N53 632 III F59 682 IV N46 633 III F101 683 II E263 { 634 III F137 684 II E278 635 IV 0-5 685 IV N58 636 III F156 686 II E291 G37 III F190 687 II E301 [ 638 III F219 688 II E311 639 III F282 689 III F136 640 III F342 690 III F217 [ 641 II E9 691 III F310 642 III F17 692 III F180 643 'II F314 693 III F272 644 III F162 694 III F332 [ 645 III F240 695 II D24 646 II E27 696 II D41 647 II E82 697 IV M5 [ 648 III F144 698 II D11 649 II El18 699 II D27 [ 5.5/02234 ( 7361W/0246W D-7 I
LIST & QO/HEIS VS. CBS REKRT ) SHEET FO. WXIME PAGE 10. SHEET 10. WXHIE PAGE FO. 700 II D15 750 II E263 701 II D32 751 II E292 702 IV MT 752 II E302 ) 703 II D53 753 II E12 704 II D13 754 II E29 705 II D25 755 IV N1 } 706 II D46 756 II E84 707 IV M6 757 II E104 708 II D49 758 IV N8 709 IV M1 759 II El19 710 II D1 760 II E142 711 II D22 761 II E163 712 II D35 762 IV N18 713 II D43 763 II E193 714 II El 764 II E208 715 II E20 765 II E232 716 II E56 766 IV N39 ~ 717 II E76 767 II E256 718 II E98 768 II E265 719 II Ell 4 769 II E272 ) 720 II E134 770 IV N61 721 II E155 771 II E288 722 II E180 772 II E294 723 IV N14 773 II E305 -1 724 II E185 774 II C23 J 725 II E244 775 II E14 726 II E250 776 II E59 727 II E259 777 II E32 728 II E285 778 II E107 729 II E290 779 II E87 730 II E300 780 IV-N9 731 II E2S1 781 II E121 732 II E252 782 II E129 733 II D6 783 II E145 1 734 II D23 784 II' E165 J 735 II D39 785 IV N19 736 II D45 786 II E196 ] 737 IV M4 787 II E211 738 II E25 788 739 II E58 789 IV N40 740 II 'ERO 790 II E257 741 II E1J2 791 II E273 742 II E117 792 II E282 743 II E127 793 IV N62 ] 744 II E138 794 II E296 745 II E159 795 II E307 746 IV N16 796 III-F128 747 II El89 797 III H96 ] 748 II E247 798 III 132 J .749 II E254 799 II E52- ] 5.5/02234 ] 7361W/0246W-D-8 J q
u LIST OF CIO/liEIS VS. OS REPTT L SIIEEP 10. KXIME PAGE 10. SHEET 10. WilME PAGE W. EL 800 II E72 850 IV P26 801 III I61 851 802 III 164 852 III G8 { 803 II E53 853 IV P27 804 II E73 854 IV P28 805 III 162 855 III G9 806 III 165 856 [ 807 II E55 857 IV P29 808 II E75 858 III G10 809 III 163 859 IV P30 [ 810 IV P2 860 IV P31 811 IV P3 861 IV P32 812 IV P4 862 IV P33 {- 813 IV PS 863 IV P34 814 III G1 864 IV P35 815 IV P6 865 816 III G3 866 IV P36 h 817 III G4 867 IV P37 818 III G5 868 IV P38 819 IV P7 869 VI J20 820 IV P8 870 II E46 821 III G6 871 II E172 822 IV P9 872 II E67 823 III G7 873 II E69 824 IV P10 874 II E48 825 IV Pil 875 II B1 826 IV P12 876 III 166 [ 827 IV P13 877 II E62 828 IV P14 878 II E43 829 IV P15 879 II E44 830 IV P16 880 E64 [ 831 IV Pl7 881 II E45 { 832 882 II ES6 833 IV P18 883 II E50 [ 834 IV P19 P84 II E70 835 IV P20 385 II' E173 836 IV P21 88G III 134 837 IV P22 887 [ 838 IV P23 888 839 IV P24 889 j 840 IV P25 890 841 891 842 892 843 893- [ 844 894 845 895 846 896 847 897 [. 848 898 849 899 900 [ 5.5/02234 [ 7361W/0246W D-9 ~
I I Gantral-RoomDesign-Review I I Control Room Survey Validation Report i I I I I I I E 1 E 1I The SouthTexas Project l HOUSTON LIGHTING & POWER COMPANY -}}