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| | number = ML18151A145 | | | number = ML18151A145 |
| | issue date = 06/15/1992 | | | issue date = 06/15/1992 |
| | title = Vols 1 & 2 of Control Room Design Review Reassessment Surry Power Station Units 1 & 2. | | | title = Vols 1 & 2 of Control Room Design Review Reassessment Surry Power Station Units 1 & 2 |
| | author name = AUBE D M, PINION M G, WASHINGTON E M | | | author name = Aube D, Pinion M, Washington E |
| | author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) | | | author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| | addressee name = | | | addressee name = |
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| =Text= | | =Text= |
| {{#Wiki_filter:/" )\ 1/ ---------Cp~~p~)!{OO~ | | {{#Wiki_filter:}} |
| DESIGN RE~W . ~~-&~~~-ENT
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| -~--. -----* Su~gf.f ower Statiop M1¥.lf l Virginia Pow~G.r --6 !,5/vz ' .. Date (_ Vl\B.P_P_S.
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| B7S ( , . . -----=--=c--==-=--
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| ' 9208060233 920729-----~--PDR ADOCK 05000280 P -PDR I. EXECUTIVE
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| ==SUMMARY==
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| * Virginia Power completed a detailed Control Room Design Review (CRDR) of the Surry Power Station Units 1 and 2 control room in accordance with NUREG-0737
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| *,' ' Supplement
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| : 1. The CRDR consisted of an extensive human factors engineering review and assessment performed in accordance with the guidelines of NUREG-0700 and a CRDR Program Plan submitted to the NRG in Letter No. 87 dated March 1, 1984. The results of the CRDR were presented in a Final Summary Report, Volumes 1 & 2, submitted to the NRG in Letter Serial No. 86-171 dated March 31, 1986. The Final Summary Report documented the approach, assessment process, results and identified the Human Engineering Discrepancies (HED). In conjunction with the Final Summary Report the proposed corrective actions (CAs) and implementation schedule were submitted.
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| The proposed corrective actions were the result of a complex selection process that considered tp.e inter-relationship
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| 'with and between .;. . other Virginia Power programs, such as the installation of a Safety Parameter Display System, operator/simulator training, instrumentation upgrades per Regulatory Guide 1. 97 and Emergency Operating Procedures upgrades.
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| Those corrective actions that were determined to be "Safety Significant" were reviewed for cost effectiveness and feasibility of installation on a conceptual design basis. The NRG submittal also stated that if it was determined that a proposed corrective action was not cost effective or feasible, then alternate corrective actions would be reviewed and assessed in accordance with the Nuclear Design Control Program. The proposed corrective actions were for the "Safety Significant" HEDs and no corrective actions were included for HEDs without "Safety Significance." Potential corrective actions without "Safety Significance" were to be reviewed as part of the normal Virginia Power program for plant improvements.
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| The proposed corrective actions for HEDs with "Safety Significance" were separated into five implementation categories:
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| Immediate "I", Short Term "ST", Long Term "LT", Normal Program "NP", and No Actions "NO". A total of 83 corrective actions were*identified.
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| All corrective actions designated "I" (34) were completed (Ref. NRG letter 89-743, dated December 14, 1989). Of the remaining corrective actions, 15 have been completed and are referenced on the Status Report in NRG letter 92-131A. Thirty-five (35) CAs are considered still VARP08.B7S 1
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| '. *
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| * outstanding and remain to be completed.
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| This reassessment addresses the 35 remaining corrective actions which are designated short term, long term, and normal program and are included in design change packages and Type I and II studies in various stages of completion.
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| A number of the corrective actions were deferred during the 1989-1992 time frame to avoid excessive control room activity during the outages. Experience has shown that some of the originally proposed modifications are no longer applicable due to the implementation of subsequent station design modifications and coordination of control room _improvements with changes from other programs such as RG-1.97, ERF, Emergency Operating Procedures Upgrades, Human Performance Evaluation System, and Simulator Training.
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| The 35 corrective actions were reassessed to determine if the CAs are still applicable and that the benefit of a number of the proposed modifications is commensurate with the cost and/or impact on plant operation.
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| The CA reassessment consisted of a detailed evaluation of the remaining CAs and associated HEDs. The I review and reassessment was performed in accordance with the methodology outlined in Section II and was consistent with the original CRDR Program Plan. A description of the CAs and associated HEDs and the results of the detailed corrective action evaluations with conclusions/recommendations are provided in Section II. Based on the results of the corrective action evaluations, the reassessment dispositioned the 35 remaining CAs as follows: Justification provided, no modifications required*
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| 23 Recommendation provided, modifications required 12 Total CAs 35 The corrective actions which do not require modification have been justified as follows: VARP08.B7S 2
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| <, * *
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| * 1. Technical Justification The reassessment for these corrective actions has concluded that there is no safety significance, low potential for error and the consequences of error will not risk injury to the public/plant personnel or damage to equipment.
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| Therefore, modifications are not required.
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| : 2. Cost Versus Benefit Justification The reassessment for these corrective actions has concluded that the originally proposed modifications and alternate modifications that were investigated, do not provide appreciable benefit to the improvement of plant safety, Operations or human engineering principles which are commensurate with the projected total cost of the modification.
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| The conclusions/recommendations section of each corrective action evaluation sheet provides details of the justification and/or modification . VARP08.B7S 3
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| e II. CORRECTIVE ACTION EVALUATIONS The remaining corrective actions (CAs) that were identified at Surry during the NUREG-0700 Control Room Design Review (CRDR) to resolve human engineering
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| * discrepancies (HEDs) were reassessed to determine if the CAs are still applicable and that the benefit of a number of the proposed modifications is commensurate with the cost and/or impact on plant operation.
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| Experience has shown that some of the originally proposed modifications are no longer applicable due to the implementation of subsequent station design modifications and coordination of control room improvements with changes from other programs such as RG-1. 97, Emergency Response Facilities (ERF), Emergency Operating Procedures Upgrades, Human Performance Evaluation System (HPES), and simulator training.
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| Reassessment of the remaining corrective actions is being undertaken to address these concerns.
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| II.A Methodology The corrective action reassessment consists of a detailed evaluation of the remaining corrective actions and associated HEDs. The applicable NUREG-0700 sect.ions, identified in the HED, were reviewed to confirm that the discrepancy*
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| correlated to the guidance document and was applicable to the proposed corrective action. A procedures and programs review was conducted to determine if the original corrective action and HED findings were enveloped, impacted, and/or addressed under other programs.
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| This included a review of EOPs and EPIPs to determine if the equipment identified in the corrective action was required to be operated under EOPs and the review of recent LERs and station deviations to determine if the discrepancy was previously documented by the HPES. In addition, programmatic issues including RG-1.97, Appendix R, and Emergency Response Facilities (ERF/SPDS) were reviewed to identify if the corrective action was addressed and/or coordinated with control room improvements implemented under these programs.
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| VARP08.B7S 4
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| The corrective actions were then evaluated in relation to specific system/component function and task requirements to identify safety significance, potential for error, and consequences of error. The criteria used to perform these assessments was consistent with the original CRDR task plan and is described below. II.A.l Safety Significance The criteria for assessment of safety significance relate to whether or not the affected component or components are part of a safety-related system. Important considerations include:
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| * Whether the component is qualified as R.G. 1.97 equipment
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| * Whether the component is qualified as lE equipment
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| * Whether the component is necessary for recovery from an accident II.A.2 Potential for Error Assessment Criteria The following criteria were considered in assigning the Error Potential rating: 1. The nature of discrepancy, including the following factors: VARP08.B7S (a) The impact of the discrepancy upon the operator's ability to perceive and discriminate input information.
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| Considerations include: Whether required information is provided.
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| The effect of the discrepancy upon the operator's ability to locate, read, and interpret displays of interest.
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| The effect of the discrepancy upon the operator's ability to see and hear. (b) The impact of the discrepancy upon the operator's ability to process information.
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| Considerations include: The likelihood of exceeding the operator's information processing capability.
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| The likelihood of causing confusion or distraction.
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| 5
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| * (c) Operator fatigue or discomfort which may be caused by the discrepancy . Additional processing steps or processing errors which may be introduced by the discrepancy.
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| The effect of the discrepancy upon the operator's ability to perform required actions. Considerations include: Whether required controls are provided.
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| The effect of the discrepancy upon the operator's ability to locate the control. The effect of the discrepancy upon the operator's ability to use the control. 2. Conditions of stress which may exist when associated tasks are performed.
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| : 3. The past occurrence of errors as a result of the discrepancy.
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| : 4. The degree and prevalence of the deviation.
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| : 5. The familiarity of the components and systems involved.
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| : 6. The frequency with which the associated components and systems are used. II.A.3 Consequence of Error Assessment Criteria The following criteria were considered in assigning the Consequence of Error rating: 1. The risk of injury to the public. 2. The risk of injury to plant personnel.
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| : 3. The potential effect of the error upon operating margins to safety limits. 4. The importance of the components and systems involved.
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| VARP08.B7S 6
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| *e e 5. The availability of alternative systems and components.
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| : 6. The ability of automatic protective features to compensate for the error. 7. The ability of the operator to detect the error. 8. The ability of the operator to recover from the error. 9. The potential for the error causing additional errors. 10. The risk of equipment damage. II.B Corrective Action Reassessment Summary Table A summary of all remaining corrective actions, associated HEDs, including descriptions, and conclusions/recommendations based on the reassessment are provided in Table II.B. II.C Corrective Action Detailed Review The detailed reassessment for each CA is provided in the following sections.
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| VARP08.B7S 7
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| * e III. REFERENCES
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| : 1. NUREG-0700, "Guidelines for Control Room Design Reviews." 2. NUREG-0737 Supplement 1 "Clarification of TMI Action Plan Requirements." 3. Virginia Power letter to NRG Serial No. 87 dated March 1, 1984. 4. Virginia Power letter to NRG Serial No. 86-171 dated March 31, 1992. 5. Virginia Power letter to NRG Serial No. 92-131 dated March 3, 1992. 6. Control Room Design Review Task Plan. 7. Control Room Design Review Final Summary Report for Surry Power Station Units 1 & 2. 8. RG-1.97 Technical Report No. PE-0014, Rev. 1. 9. RG-1.97 "Instrumentation for Light Water Cooled Nuclear Power Plants to Assess Plant and Environs Conditions During and Following An Accident." 10. Emergency Procedures, Surry Power Station, Units 1 & 2. 11. Emergency Contingency Actions, Surry Power Station, Units 1 & 2. 12. Function Restoration Procedures, Surry Power Station Units 1 & 2. 13. Emergency Plan Implementing Procedures (EPIP), Surry Power Station Units 1 & 2. 14. CRDR AIRS Actions, Surry Power Station Units 1 & 2. 15. NUREG-0696 Computer Input/Output List Surry Power Station Units 1 & 2. 16. Design Reference Procedures, Surry Power Station Units 1 & 2. VARP08.B7S 8
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| : 17. Technical Specifications, Surry Power Station Units 1 & 2. 18. Updated Final Safety Analysis Report, Surry Power Station Units 1 & 2. 19. Nuclear Control Room Operator Development Program, Manuals NCRODP-22, 23, 24, 26, 29, 38, 40, 41, 46, 51, 52, 55, 61 & 68. 20. 10CFR50 Appendix R Report, Surry Power Station Units 1 & 2. 21. Q-List, Surry Power Station Units 1 & 2. 22. Virginia Power, Nuclear Design Control Program. VARP08.B7S 9
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| * CA2E CA6E CA9E CAIOE V'ARPOS. B7S--O
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE 11.B Provide meter for total auxiliary 20002018 feedwater flow. Demarcate and add colored background 20A0130S on Auxiliary Shutdown Panel same as MCB. Tape is to be removed and replaced with orange and purple color dots on labels. Coordinate with CA24E. Provide pressurizer spray valve position indication w/ red/green lights. Perform study of annunciator alarm study. 20A0204S 22A03206 20A02106 20002120 20002121 20002122 20A02101 Displayed values require operator conversion Lack of demarcation lines 0700, 6.S.1.2.b 6.S.1.2.c DC-88-27/28 0700, 6.6.6.2.a DC-88-25/26 Required displays and indications missing 0700, from Control Room 6.1.1.1.a 6.S.1.1.b,e 6.S.4.1.g Lack of Feedback indicating process/ direction of parameter change Annunciator tile legends ambiguous/too wordy. No distinctive coding for extended duration ilium. during norm op. No reflash capability on annunciator system. Ann. tile does not bum steadily when there is flasher failure. Annunciator tile engraving too small. 0700, 6.9.3.1.c.2 DC-88-29/30 0700, 6.3.1 thru 6.3.4
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| * No modification required.
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| Modification required; relabel ASP per Virginia Power Labeling Standard.
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| No modification required.
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| Modification required; relabel/group specific alarms and install annunciator silence feature.
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| * :commii: !X<m9Ntti§{***
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| CAIOE (Cont) ,,, : ' VARPOS.B7S--0
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| *
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE 11.B 20A02102 22A02906 20A02103 20A02119 20A02125 20A02903 20A02302 20B03005 22A02110 22A02111 22A02112 22A02115 Annunciator tile illuminations indicate normal conditions.
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| Alarms for units sound alike. Annunciator placement not consistent between units. lli/l:lc:
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| of grouping by system function.
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| No auditory signal priority coding of annunciator alarms. No audible alarm cleared signal for annunciator system. System/Equipment status is inferred by indicator light being off. No*silence function on annunciator response controls.
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| Number of tiles per annunciator light board. Dual meaning tile legends. Inadequate width-to-height ratio on annunciator characters.
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| Letter spacing-inadequate spacing ;;n annunciator tile lines. 2 0700, 6.3.1 thru 6.3.4 Modification required; relabel/group specific alarms and install annunciator silence feature.
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| * *
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE 11.B CORRECTIVE CA' ASSOC. HED ACTION NO. DESCRIPTlON . HEDs . DESCRIPTION REFERENCES CONCLUSIONS/RECOMMENDATIONS CA!OE (Cont) 22A02116 Silence controls for annunciators.
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| 22A02123 No printout for multi-input annunciator.
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| CAllE Rescale auxiliary feedwater flow 20A02216 Scale range inappropriate, need range 0700, 6.5.1.2.d.1 Modification required; change meter scale to 0-400 indicators (linear, 0-500 gpm -expanded 6.5.1.2.d.2 gpm. increments of 10 gpm). 20A02230 Display output does not allow accurate 0700, 6.5.1.2.a reading 23002243 Unit value progression 0700, 6.5.1.5.c DC-88-27/28 CA12E Redesign Permissive Status Lights to 20A02303 Permissive status light indications are 0700, 6.5.3. l.c Modification required; re-engrave approximately 15 ensure consistency in terms of messages, inconsistent status lights per unit consistent with EOPs. illumination sequence, location and arrangement.
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| 20A02315 System/equipment status is inferred by 0700, 6.5.3. l.c indicator light being off 22A02308 Legend message contains more than three 0700, 6.5.3.3.b.5 lines of text 6.6.4.2.d.3 20A01313 Incomplete standardization among panels 0700, 6.8.2.4.a of unit 1/2 OC-90-04/05 CA15E Rearrange EDG /f3 panels to be similar 20A03033 EOG panels 1 and 3 arranged differently 0700, 6.4.1.1.c.2 Modification required; change meter scales. to EOG #1 and EOG #2 and label from 1 and 2 6.4.2.2.c.
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| l accordingly 6.4.2.2.c.3 DC-88-25/26 V ARP05.B7S-O 3
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| * *
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE II.B CORRECTIVE CA ASSOC: HED ACTION NO. DESCRIPTION HEDs D!:JSCRIPTION REFERENCES CONCLUSIONS/RECOMMENDATIONS CA17E Change flow indication for CVCS 20A03405 No feedback that pushbutton controls 0700, 6.4.3.1.b Modification required; evaluate instrument setpoint charging and letdown (0-300 gpm) (FT-have been activated inaccuracies and change meter scales to 0-200 gpm. 1122/2122) 20A02214 Scale ranges inappropriate, need narrow 0700, 6.5.1.2.d.
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| l,2 ranges expanded 20A02208 Scale ranges too narrow, wide range 0700, 6.5.1.2.d.3 indication not provided DC-88-27/28 CA18E Change existing annunciator for Safety 20A03406 No feedback that pushbutton controls 0700, 6.4.3.1.b Modification required; add SI initiation and SI Injection actuation to Train "A" actuation have been activated DC-90-04/05 block annunciation for each train. only. Add new annunciator for Train "B" Safety Injection actuation.
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| CA19E Rewire Pressurizer Heater Control 20Bl2305 Pressurizer heater control status light 0700, 6.5.3.1.c No modification required.
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| switches so that RED light is not indication meaning inconsistent w/other 6.6.6.3 defeated when switch is in pull-to-lock controls 6.5.1.6.d.1,3 position and green light is extinguished.
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| DC-90-04/05 CA22E Remove unnecessary indicating lights 22A01308 Inconsistent meaning/application of color 0700, 6.5.1.6.c.2 Modification required; relabel indicating lights. from heat tracing panel. coding within/among systems 6.4.2.2.f.1 6.5.1.6.f.
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| l,3 DC-90-04/05
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| ... CA23E Modify EDG megawatt, Megavar and 22A02086 Displays on VBS too low/high to be 0700, 6.1.2.2 No modification required.
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| RPM indication on EDG panels to viewed from normal viewing area 6.1.2.5.b improve viewing. Coordinate with CAISE and CA75E. 22A02314 A few non-legend indicator lights do not 0700, 6.5.3.2.a.
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| l HED deleted during original CRDR. have apparent meaning DC-88-25/26 CA24E Determine displays that most 22A02088 Displays on VBS too low/high to be 0700, 6.1.2.2 No modification required.
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| significantly affect plant safety on viewed from normal viewing area 6.1.2.5.b Auxiliary Shutdown Panel and modify to DC-88-25/26 improve viewing. Coordinate with CA6E. V ARP05.B7S-O 4
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| * *.. QPl{Rij9JIYE AGTIQN NQ; CA27E CA29E CA36E V ARP05.B7S-0
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE 11.B * , . ..... * > . ~%;* : > < .*. DEsffibN Provide better functional arrangement of SI/CLS controls.
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| Perform study to correct Control Room glare/lighting problems and implement improvements.
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| Redesign Auxiliary Ventilation Panel. Consolidate indication and controls for common ventilation equipment on single board and provide mimic. 23001225 20000009 20000008 20000001 20000003 20000014 20003016 20A01215 20A03209 23003019 22A013IO 22A03215 22F23026 Related control/display grouping Control Room glare Abnormal Control Room illumination levels Control Room ambient lighting too variable Operations not verified under emergency lighting Ambient lighting varies significantly in Control Room. Noticeable glare Controls that must be operated simultaneously located too far apart Inadequate control and display grouping Containment recirculation fans logical arrangement and layout Functionally grouped controls lllogical arrangement of controls and displays Mirror imaged components Ventilation panel controls for Unit 2 inconveniently located 5 *.* .. ',* ' J$F~ENq];s*
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| 0700, 6.8.1.1.a,b DC-88--04/05 0700, 6.1.5.3.f 0700, 6.1.5.3.a 0700, 6.1.5.7.a.2 0700, 6.1.5.3.a 0700, 6.1.5.3.d 6.1.5.3.b 6.1.5.3.a 0700, 6.8.3.1.c 0700, 6.8.2.1.a.2 0700, 6.8.2.2.a 0700, 6.8.2.1.a.2 0700, 6.8.2.2.a 0700, 6.8.2.3.b 0700, 6.8.2.1.a,b,c
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| * *:***: :*: ::**:** : ' ,, ,} ' ',' ... ' ' .*. ' .... * . , ., **.,**,. ,** COJ\(q.USIONS/RECOMMENDATIONS
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| * .. '* '*'
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| * No modification required.
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| No modification required.
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| No modification required.
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| * *
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE 11.B .** .. ' .... CORRECTIVE
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| .*** J/( . / CA.< Assoc. . ........ *. ¥1? I* . .. (AQTIQNNQ~
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| HEDs ... REFERENCES coN¢j:.tJSIONS/llElCOMMENDATJ:ONS
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| :PESGRIP11Ql'f . :** :-** // DESCRIM'!ON
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| * ... , ** .. .* .. ... ..... CA38E Perform labeling study to determine 20A01101 Components on boards not appropriately/
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| 0700, 6.6.1 thru 6.6.6 No modification required.
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| labeling needs and concerns of clearly labeled. operations.
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| Relabel boards to 0700 guidelines.
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| 20A01143 Component labels are not specific.
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| 20A01148 Unnecessary information on labels. 22A01108 Major labels are not always used where necessary.
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| 22A01126 Control positions not identified on some discrete functional control. 22A01133 Some labels have improper character stroke-widths.
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| 22A01149 Inadequately labeled process controllers.
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| 20A01311 Incomplete standardization among panels of Units 1 and 2. 22A01109 Subordinate labels are not always used where necessary.
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| 22A0l1IO A few components have no component label. 22AOll 11 Labels repeat information.
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| 22AOI 129 Letter heights not same for all labels within same hierarchical level. V ARP05 .B7S-0 6
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| * *
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE II.B .. .. . :-: ... CORRECTIVE . *.* /< CA . ASSOC; . HED ... -AcirON N<( DJ3$CRjPT,CpN
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| !Jl:iQs .. i. PE$G~PN REFERENCES
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| *.* CONCLUSIQNS/RECOMMENDATI9NS
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| *** . . *.* **. CA38E (Cont) 22A01137 Temporary labels do not conform to good HF principles.
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| 22A03101 Inconsistent open and close position labels on process controllers.
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| 22A01112 Some labels are not sized according to their hierarchical level. 22A01114 Some labels are not positioned to provide adequate label usability.
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| 22A01120 A few labels are misspelled.
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| 22A01130 Some labels have light characters on a dark background.
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| 22A01145 Illegible labeling.
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| 23AOI006 Demarcation 22A01122 Symbols are not used consistently.
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| 22A01123 Some labels use roman numerals.
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| 22A01124 Labels are not located above functional groups they identify.
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| V ARP05.B7S.Q 7
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| * *
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE II.B CORRECTIVE CA ASSOC. HED ACTION NO: .* DESCRIPTION
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| * .... HEDs .* DESCRIPTION REFERENCES CONCLUSIONS/RECOMMEND,\
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| TIONS CA38E (Cont) 22AOl 132 Incorrect character widths used for some labels. 22A01146 Incorrect labeling.
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| 20A02042 Mirror imaged displays.
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| 22A01144 Insufficient control position label visibility.
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| 22A01301 Inconsistent meaning/application of color coding within/among systems. 22A01304 Distinctive enhancement techniques are not used for emergency controls.
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| 22A02311 A few non-legend indicator lights do not have apparent meanings.
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| 22A02313 A few non-legend indicator lights do not have apparent meanings.
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| 22A03208 Control positions on key-operated controls are not labeled. 23A03210 Position indication.
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| 23A03213 Throttle vs. momentary contact switch. V ARPOS .B7S-0 8
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| * *
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| * CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE II.B CORRECTIVE CA ASSOC. HED .. ACTION NO. ... DESCRIPTION I:IEDs,. DESCRIPTION REFERENCES CONCLUSIONS~COMMENDA TIONS CA38E (Cont) 20A02017 Multiscale indicators not operationally beneficial to operators.
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| 22A02603 Arrowheads not used to indicate mimic flow directions.
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| 22A03403 Messages on pushbutton contain more than 3 lines of lettering.
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| CA39E Selectively investigate for Lamp Test 20A01216 No lamp test 0700, 6.4.3.3.c.
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| l No modification required.
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| capability, any safety systems with 6.5.3.1.a.2 legend lights that have single bulbs and that are not normally illuminated.
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| CA41E Provide visual displays and indications 20A02005 Required displays and indications are 0700, 6.1.1.1.a No modification required.
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| missing from Control Room primary missing from Control Room 6.5.5.1.b,e area. 6.5.4.1.g 20A02052 Required displays missing from Control 0700, 6.5.1.1.b Room 22A02027 Indication needed in Control Room 0700, 6.5.1.1.b CA42E Provide expanded scale for chemical 20A020IO Scale range inappropriate, need narrow 0700, 6.5.1.2.d.
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| l,2 Modification required; indicator scale marking. addition tank level on RWST recorder.
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| ranges expanded CA43E Provide valve position indication on flow 20A02035 Required displays and indications missing 0700, 6.1.1.1.a No modification required.
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| controllers with red/green lights. from Control Room 6.5.1.1.b,e 6.5.4.1.g 22A03216 Lack of feedback indicating process/ 0700, 6.9.3.1.c direction of parameter change 20A02050 Required displays and indications missing 0700, 6.1.1.1.a from Control Room 6.5.1.1.b,e 6.5.4.1.g VARP05.B7S-0 9
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| \. *
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| * 1 CORRECTIVE ACTION REASSESSMENT
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| ==SUMMARY==
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| TABLE II.B CORRECTIVE CA ASSOC. .HED . ACTION Nd; :. DESGRIPTIQN . . .... HJ3Qs ..* ** .. . DESCRIPTION REFERENCES CONCLUSIONB/RECOMMENDATIONS CASIN Replace trend recorder continuous flow 20A02403 Recorder pens clog, ink smudges paper 0700, 6.5.4.1.a No modification required.
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| pens with felt tip cartridges, as required.
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| 20A024IO Inadequate contrast-ink colors 0700, 6.5 .4.2.a.2 23A02415 Poor contrast on pen recorder between 0700, 6.5.4.1.a ink and paper CA53E Provide permanent installation of SG 20A02414 Recorders not located in primary 0700, 6.5.4.1.h No modification required.
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| Level Narrow Range trend recorder on operating area bench board near Feedwater Control station. 22A02082 Displays not adequate in range, not 0700, 6.5.1.2.d.3 supported by auxiliary instrumentation DC-88-27/28 CA54E Perform studies to change setpoints, as 20A02904 Too many nuisance alarms in Control 0700, 6.3.1.2.a.
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| l No modification required.
| |
| necessary, on nuisance alarms in Control Room, no lock-out capability provided Room. CASSE Make control switches for the steam 20A03011 Control configurations do not match 0700, 6.4.1.1.c.2 No modification required.
| |
| supply to the Steam Driven Aux other controls for same function 6.4.2.2.c.l,2 Feedwater Pumps the same as other DC-88-04/05 valve control switch. CA59E Relocate annunciator pushbutton controls 20A03069 Controls may be accidently activated 0700, 6.4.1.2.g Modification required; relocate annunciator on bench boards for ease of access. because of position on Control Board. DC-88-04/05 controls.
| |
| CA61E Rearrange accumulator test line isolation 20V13022 Accumulator test line isolation valve 0700, 6.8.2.1.a No modification required.
| |
| valves control switches.
| |
| controls inconveniently located 6.8.2.1.b 6.8.2.1.c 20003017 Control switch layout is inconsistent 0700, 6.8.2.3.a DC-88-04/05
| |
| ' CA66E Provide SG wide range level indicators 22A02058 No positive indication that instruments 0700, 6.5. l. l.f No modification required.
| |
| and condenser vacuum indicators on right have failed vertical board. 22A02075 Displays not precise or accurate enough 0700, 6.5.1.2.a DC-88-27/28 V ARP05.B7S-0 IO
| |
| ** ** totutii6tw~*
| |
| 1***********m*****I****
| |
| ... *. --;.;-; :r¢~t?tr -:-:-,**:,:,,*,,*,*.,.,,, TC:F*' tt****;*JX ,ACU.Q1"N<>i I'. . *. ,c .. c ... CA69E Relocate high range radiation monitor trend recorders lower on panel. If feasible, add two recorders.
| |
| CA72E Replace existing trend recorders with recorders that can be read easily. CA74E Rearrange switches so accumulator fill valves are above accumulator drain valves improve labeling.
| |
| CA7SE Modify EDG Speed and Voltage control switch positions and labeling so raise is to right, lower is to left. Also, include Main GEN VOLT REG control switches Coordinate with CA1SE and CA23E. CABOE Improve operability of main steam PORVs and provide status on shift turnover sheet. CASIE Provide remote throttle capability (trip close) to Bypass Valves for Main Steam Trip Valves on Benchboard in vicinity of Trip Valves. CA82N Upgrade simulator controls and instrumentation to reflect current control room. Prior to installation in the CR, modifications will be evaluated to determine the necessity and feasibility of installation in the simulator first. VARPOS.B7S-0
| |
| --*,~ CORRECTIVE ACTION REASSESSMENT
| |
| | |
| ==SUMMARY==
| |
| TABLE 11.B **:~~gqI r* r*r
| |
| * n ...........
| |
| ****** ., *-* j ,::***.**
| |
| ,,, ... , ******IiP
| |
| .... i****t*':HBD!ii
| |
| .;.*, .. *.**.-'.*:**-:-:-:-:*
| |
| .. ,, .. .*.*., ............
| |
| 22A02087 Displays on VBS too high to be viewed 0700, 6.1.2.2 from normal viewing area 6.1.2.S.b DC-88-27/28 22A02409 Scales printed on chart paper are not 0700, 6.S.4.1.b same as scales on recorder 20A02003 Multiscale indicators not operationally 0700, .6.S.l.S.f beneficial to operators DC-88-27/28 22A03034 Improper control location 0700, 6.8.2.2.b DC-88-04/0S LER-81-0391036-0, 9/3/81 22A03601 Control does not increase when turned 0700, 6.4.2.1 clockwise or right DC-88-25/26 23003046 Missing controls 0700, 6.4.1.l.a DC-90-14-3 23003047 Missing controls . 0700, 6.4.1.l.a 23A01002 Simulator/CR Standardi:r.ation 0700, 6.8.2.4.b 2300110S Units of measure 0700, 6.S.1.1.b 6.S.1.4.a 6.6.1.l 11 ,,.,. :.::::: .. :*'.*,:";,::-:::::.;>..:.::::::::.;:;.*:.:-:::
| |
| ******** !Iii+/-tls i:;: : \?' .. , ... ** .... *-*** *---.~PY~~:**t*.
| |
| .... , .,., ..... ,., ., No modification required.
| |
| No modification required.
| |
| No modification required.
| |
| Modification required; install label on EDG speed control switch. No*modification required.
| |
| No modification required.
| |
| Modification required; add engineering units lo specific indicators.
| |
| Continuous simulator upgrades under normal programs.
| |
| I, I' 1:1 I' ;! I
| |
| * *
| |
| * Il.2 CORRECTIVE ACTION EVALUATION CANO.: 2E CA DESCRIPfION:
| |
| Provide meter for total auxiliary feedwater flow. EQUIPMENT MARK NO. FI-FW 100 A,B,C Il.2.1 BED REVIEW -ORIGINAL FINDINGS HEDNO. 20002018 HED No. 20002018 -Displayed values require operator conversion. (NUREG-0700 Sections 6.5.1.2.b, 6.5.1.2.c)
| |
| Operator interviews and validation surveys identified indicator displayed values which required conversion in order to use the information in EOPs. Virginia Power's original CRDR assessment team reviewed the various displays and concluded that a separate total auxiliary feedwater flow indicator was required.
| |
| Total auxiliary steam generator feedwater flow is not displayed in the Control Room. At present, there are three square root scale indicators per unit, monitoring AFW flow to each steam generator.
| |
| The indicators are mounted on vertical section 1-2 of the main control board, Unit 1. It is difficult for operators to obtain quick, accurate total AFW flow readings from the existing indicators.
| |
| Operator conversion to obtain total AFW flow does not comply with NUREG-0700, paragraph 6.5.1.2.b.
| |
| DC-88-27/28 were prepared to install the total auxiliary feedwater flow indication . n~2.2 BED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs IXI YES D NO D N/A The monitoring of total auxiliary feedwater flow is required in several EOPs. For example, l-E-0, 1-E-l, 1-FR-Hl,, l-E-3, ECAs, ES, etc. Auxiliary feedwater flow rate values 350 gpm, 550 gpm, 70 gpm, 700 gpm and 500 gpm are EOP setpoints.
| |
| EPIPs 0 YES IXI NO ON/A Total auxiliary feedwater flow indication is not used in the EPIPs. APP.R DYES IXINO ON/A Total auxiliary feedwater flow is not required for Appendix R safe shutdown.
| |
| ERF/SPDS DYES IXI NO D NIA Total auxiliary feedwater flow is the not ERF computer . However, auxiliary feedwater flow is in the ERP-Point IDs, FIFWOOlA, FIFW002A, FIFW003A.
| |
| V ARS0l.B7S-l RG-1.97 DYES IXI NO D NIA Aux. feedwater flow (FI-FWlOOA,B,C) is variable D21 Category 2. However, total aux. feedwater flow is not a RG-1.97 requirement.
| |
| LERs/IOERs DYES IXI NO O NIA No LERs/lOERs concerning the monitoring of total auxiliary feedwater flow were found. HPES/STA DEV/SOER DYEsJXlNO DN/A No station deviations or SOERs were found concerning the monitoring of total auxiliary feedwater flow. TECH SPEC ITEM IXI YES D NO D NIA The operability requirements of the auxiliary feedwater system and instrumentation is defined in TS 3.6.D.
| |
| * * * \ II.2.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The flow requirements for AFW are based on a total flow to intact steam generators.
| |
| EOPs 1-E-1 and 1-E-2 require the operators to maintain 350 gpm until level is greater than 9% in at least one SG. For a loss of normal feedwater (LNFW) Condition II event (no MSLB or FWLB), the total flow is that flow to all three SGs. For other events (i.e., FWLB and MSLB), the flow requirement is 350 to intact SGs. A corrective action similar to Surry Correction action CA2E was implemented at North Anna Unit 2. After the modification was implemented at North Anna Unit 2, IR-4874B was initiated to address problems associated with the total AUX FW flow indication.
| |
| These problems included:
| |
| : a. The individual loop flow signals have large uncertainties
| |
| (+/-72 gpm) at low flows (less than 100 gpm). To account for these uncertainties, minimum required total flow values, as read on the total flow indicator, would need to be raised to values higher than the capacity of a single motor driven pump. b. Minimum required total flow is based, for most cases, on flow to intact steam generators.
| |
| The total flow indication includes flow to all steam generators, regardless of status. IR-4874B has been reviewed for applicability to corrective action CA2E at Surry Power Station. Based on a review of the loop accuracy calculations 14937.70-C-2, 3, 4, and 8, it is concluded that Surry will experience problems similar to those encountered at North Anna Unit 2 and addressed in IR-4874B.
| |
| The loop accuracy of the total flow indicator at Surry would be approximately
| |
| +/-54 gpm during normal operating conditions at a flow rate of 450 gpm and up to +/-200 gpm during abnormal conditions (DBE) at flow rates of 450 gpm. Safety Significance
| |
| -Potential In Error -Consequences of Error -The auxiliary feedwater flow indication is safety related and used in various EOPs for heat removal following accidents.
| |
| The operators are required to sum the individual auxiliary feedwater flow indicators to determine total flow to the SGs. The potential for operator error is increased due to conditions of stress and the ability of the operator to process information.
| |
| However, the installation of total auxiliary feedwater flow indicators could also result in errors due to large instrument inaccuracies and plant configuration (intact/faulted SGs) during the event. The consequences of an error when determining the total auxiliary feedwater flow rate would be potential failure to maintain minimum auxiliary feedwater flow to SGs during accidents.
| |
| A total AFW flow indicator would only be useful if the flow going to a faulted SG or broken feedline has been isolated and the total flow indicates the flow to the intact steam generators.
| |
| Based on Calculation 12846.58-US(B)-055, Rev. 0, the maximum flow to all 3 SGs with 3 AFW pumps running is approximately 1025 gpm, therefore a range of 0-1500 is adequate.
| |
| However, with only two or one AFW pumps running, the total flow is between 388-677 and the minimum required is 350 gpm. Therefore, expected operating range is 350-700 gpm during the transient.
| |
| 11.
| |
| | |
| ==2.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the above discussion, sufficient information is presented to justify not implementing CA 2E and not installing total auxiliary feedwater flow rate indication.
| |
| The total auxiliary feedwater flow indicator could provide ambiguous information for any operating conditions.
| |
| For cases where the required information is total flow to intact steam *generators and flow to a faulted generator exists, the total flow indication would be invalid.
| |
| * V ARS0l.B7S-l
| |
| **
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION I NlJREG.-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97
| |
| * LERs/IOERs/SDRs I TRAINING MODUIES TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D D D D D D D D D D
| |
| ;. ') \~~~'; -S1JRR1 ~lT e CODE A HEil NO TITl.£ ~18 DI!?LAY-tD VALUES REQUIRE IJJEAATOR
| |
| ~VERSICJti, ERROR: DP ERROR. t+t PROlU"' DESCRIPTION:
| |
| it,/cJ/ Es5 PASE 14 NOTED JA.N 2 O i9St H.Yi.B. ASSESSIENT LAST REVIEW RESPONSIBILITY STATUS DATE ENS II *S 82/25/85 1PS ARE REQUIRED TO CONVERT v~s DISPLAYED SCIUS TO A NlRE USABLE FOR,! IN ORDER TO USE 1~1)RMATIDN.
| |
| e1ee PARAS~ tOl=k: E..5.1.2.1; o.5.1.2.c StlSSESTEl BAC.~Fii:
| |
| C~ SC!u5 TD A IIOiiE ~..E FD~. +H DI~I:iilh:
| |
| / l~s;~ l'iicil FDil TD!A.. frw r1-0.. (i-1~ ~) Jcit.l\ F~ TD.TJL Fw Fi.OW (t-1580 &liil DP.TA Cui..:.iCTiuN DESCR!HIOII AhD CODc hU!'IIEff:
| |
| r;i-s.2 V£1tZ*~ICA710',i VA-.lDA~lllh ITE~ IN\ICUED:
| |
| MR!< NUl!BEil LOCATl~ CDIIYJHcNT NAIi£ SYSIDI ~W KDW TOTAL. FW FUI ff NOT lN INV FILI:* ff f()T IN INV FIL.£* SUBSYST91 ,V1d~ \ °hfJ ~W be,A,-\---
| |
| 0~1 b~-P-f-vf. I c:>--\v-( i=~l/\) -
| |
| ... * *
| |
| * TP-!1.2 "-VALIDATION Of"' KMAN ENGI"1:ERING SUIT ASL TIY AND VALIDATION OF CONTRa.. Revision Ill ) March 1984 ROOM Fl.NCTIONS APPENDIX B9 HUMAN ENGINEERING DISCREPANCY (t-ED) REPORT sv/2. gy(u 11rrs. I c .< PLANT/UNIT
| |
| '] '2 000 D b ii_=-]-. 20:, 2olt{ ORJGINATOR:
| |
| t bH&,<Y:{,"'J)
| |
| Te.JJ.t..v.
| |
| K:D NO.: p ;r -// 0 ) Zo Is ' VALIDATED BY: &)0,'\.t.c
| |
| -DATE: . fl-l.JJ~ b . I 9 r L/ a) HEDTITLE:
| |
| lt-e&~fJ~
| |
| ,/JT9.&>~4-L2bf <ru2'~c~.
| |
| b) ITEMS JNVDL VED:
| |
| c) PROBLEM DESC.RIPTJON AND D700 PARA. NUMBER: c--o---.L T,;, dv-." f It 0-.'\., 7-0 c:,._.. -~J. --,"''~ JvVV lJ.) ~.JJ'~~,-~-6,S:
| |
| J. ~b .:_-d) DATA COLLECTION DESCRIPTION AND CODE: NUM3ER: _ J &f~ -Tl<CJ.9J3)(1~-J~*
| |
| (1, c1'. v~*~ if-1 e(. e) SPECJF"JC HUMAN ERROR(a): . ~>1 ~-,4..).._
| |
| °1~-v ~µ'..-va...,_
| |
| _;J._/. I': B9-l
| |
| *' . ' ~. * \ l)\ CAJ... rw t-1 D W HED PRIORITY RECORD HEDI 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?.
| |
| S. HIGH SAFETY IMPORTANCE?
| |
| NO C. ERROR POTENTIAL?
| |
| : 5. CONSEQUENCE OF ERROR: NO IIO 2 2 NO
| |
| * YES YES 5 _L HIGH 5 __!_ HIGH
| |
| , * '**
| |
| * --* *-*----*-*-*-----*-----**--**-**----*--
| |
| --***-* -. -*---.. -*-! *** -. ---.. J"i)\~,t-~
| |
| ~~\""4'.\:>--~QJ---:>~
| |
| (~~): .... -* *--*--C-\J \wl -f .... A,\ C.) \:6' t \ "'~"O TfD l -r >It) C'\A/7f . . . * '" -..:.._:---w~'!>~~
| |
| 1 (3G~(ITaT;:!"-=r~~wcrQJ7
| |
| *t1r~:..yr***
| |
| **-*. -**----------
| |
| --~-L-~~i\~~----~-~1>~~~.->-~o~------
| |
| -_----. * ~~~rv~*~rr -fv\Olc::!
| |
| S":)'?:/ // . "
| |
| P.I-/10 . *---__ jl,'1 J-4 {3r,_fl.J s:._ __ A_c._111___n-_o~.tL~S_-1-8.J.V~-1--l=.V._~
| |
| __ L._ ~_'7_?_ ,~J-J----__ 9L.t~ _ -a..t\~ t'~rf.-rn_~
| |
| _ _fu ~-~-~f,L(-
| |
| ___ ll.~L\ i __ ;~f-~_,..r~
| |
| r--* C.VV'IL '7d~ *---------*-----.... -*-* --.. ---Jr ..... -:} ___ -~ BE P'U S l-l)J ~W . .AIE TO f< 13 (fE T:fu!. /5 4_6_1-~ ~~2_0_7 _ 9,~., -~ . , clcl.. f. ~i ~~:) _ +(c.h .sl,li t.. '~ ,\-,. r-'"' L . {I *01-<....,l.
| |
| ~. Q 'c.. r\;:" 13 .' ~;; §-*. C.o ND E" N..S.tl.I.E
| |
| -."STD J1.1\ \1: E'.. :T.Jl ll' IL L.E'V C L -"'7 T I _ ~--=---~--(.~'-f-
| |
| ~ov~_) __ _l,tc.1-t Iflt.. I t, . . ,,,.,. .,,"\. 1 . .. ---**---------*-
| |
| ----*-----*-
| |
| **--*--*--------*-----
| |
| -.. ***---*** -__,,, .. ,\; Lf: ) p f..1 M F..1 .D~A _IN s .r lt.'1 /I'S r-,:.. ,f, (v ,, LE VC: L -../---". C / ' , *...
| |
| * l .,..,v_c .. .t <yJ>>-. , -49@1~ , gk.W ~1 -,-rt.~ : . {, . IN\.~ tl.JL \," 0 c.~"L l/, GC~---"l* \1 ---*--_____ .J__ ***--------**--
| |
| *-*-*-* --* --. *-... *---* .. -. ~./\ s-.i ::z . A C-u /11 u LA TO ;t L e-v~ L-S "1 ~, w~ p-. j -~clcl.v°""'~
| |
| W\Ov\C.J ~-Sr.<<-t.. . ~.,, /\ l ,. . _; ,.. . . . . * . -** . -. ' . I y b .):,~°G"'.
| |
| l_<E.t-1.E.F:
| |
| .. T_A_N.lf __ l-EJ/!::i'--.J...--.-
| |
| .. J.~rrVV-r...~
| |
| -* j ~~,J-:l __ t-~: . -~-~ \~-f~'o..JL~.a
| |
| ~l.u. o~ _ _c.\).l'(.JL l:.6oC.. __ I I,. * :I -1 .I\ ! .'§:. 7 1 cc.. HEAD
| |
| , ' \ * ' .* Zl2 VALlDA TION OF I-LIMN ENGit'IEERJNG SUIT ABL TIY At'<O. VALIDATION CF CONTRCL RCX>M f"U'CTIONS APPENDIX B9 HED REPORT (CONTINL£0)
| |
| S\J f\~ { /oN I T'S I jc9.. PLANT/U'1IT
| |
| * r--~ .... Revision fl 3 March 1984 t-£:D NO.: f .I-/ /0 f) SUGGESTED BACKFIT: c_),~,,_ t;;; "'-~-v,..,... . g) REVIEW AND DISPOSITION:
| |
| B9-2
| |
| . :.. ... . . ... VIRCINIA 'POWER nc.u nu. 1 -L ,, -, -,c, \ CONTROL ROOM DESIGN REVIEW
| |
| * HUMAN l&Jlfe~1 Cio~~f§ES$rcfJ CHED> Doo -.2. ooi' I
| |
| * STATION/UNIT S u. r-r ¥ l) t ..S /1.l MARK NO. #~"" :[" '>.-i, J -* c..J ITEM DESCRIPTION T_o fa! Fl' *I '-Va 1 *, f /, le! l ovJ td "; £ CHANCE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS) edn-i,& o -, J v df"' j J. T'=>+o ( A Fw a HR -f~ I e i~h ;4-tJ-==k?{I:,...
| |
| ~f_,,.{,..,.
| |
| ~1_pss -f'low:.s -Td
| |
| * I O fl,) F Jo.., w; II b~ o-,s-oo u~ . /. S lA. n.. f!r [} oJ~t~ ,, v, * ?. L O c.. (J.:f , -/ O +I I' y i C } _ f O .f.. L 7. -C N-16)DI . VI',. / ,-C ' I ' ORICINATOR
| |
| __ 8~. E~, --~-~~ ..... \ __ ( ___ . DATE REVIEWED ..1-2 , -f 5 fM
| |
| * CA !2.E r -... _ .... ,. *
| |
| * GUIDELINE 6.5.1.2 USABILITY OF DISPLAYED VALUES Scales should be graduated and numbered so that readings are rE!lated in a direct and practical way to the operator's tasks. a. SCALE SELECTION-Scale units should be consistent with the degree of precision and accuracy needed by the operator.
| |
| ' b. ELIMINATION OF OPERATOR CONVER* SION-AII displays should indicate values in a form immediately usable by the operator without requiring mental conversion.
| |
| : c. PERCENTAGE INDICATION-Percentage indi* cation may be used when the parameter is meaningfully reflected by pe~ntage;
| |
| : d.
| |
| * SCALE RANGE-Scales should be selected to: ( 1) Span the expected range of operational parameters, or e. f. (2) Employ *appropriate scale ra~ging tech* niques, or (3) Be supported by auxiliary wide-range instruments.
| |
| SCALE SIZE-Scale ranges may be expanded (or contracted) .by multiplying or dividing indicated scale values by powers of ten. All such scales should be clearly marked as to whether the indicated values should be multiplied or divided, and the factor involved (e.g., 10, 100, 1000). S~NSITIVITY-Display dynamic sensitivity should be selected to minimize the display of normal random variations in equipment performance.
| |
| 6.5-3 VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6.5.1 COMPLIANCE CHECKLIST
| |
| * *
| |
| * PAGE No. 12 VOLIAN ENTERPRISES SET POI NT K.6 K.7 K.8 K.9 K.10 K.11 K.12 K.13 K.14 K.15 K.16 K.17 K.18 K.19 K.20 K.21 K.22 L.1 L. 2 L.3 L.4 Surry (lA) -Unit 1 -SETPOINT DATABASE REPORT PROCEDURE USAGE PROCEDURE USAGES FOLDOUTS/CONTINUOUS ACTIONS PAGE FOR 1-ES-0.4 FOLDOUTS/CONTINUOUS ACTIONS PAGE FOR 2-ES-0.4 l-ECA-1.1/21 l-ES-1.2/21 1-FR-P.1/25 1-E-3/17 1-ECA-3.3/39 1-ECA-1.1/15 1-FR-:-I.3/16 l-E-3/38 l-ES-0.3/1 2-ES-0.4/1 l-E-3/38 1-ECA-3.1/19 l-ECA-3.1/19 1-FR-H .1/25 l-ECA-3.1/19 1-ECA-3.1/19 1-FR-H .1/25 l-ECA-3.2/12 1-ECA-3.2/12 1-ECA-3.1/20 1-ECA-3 .1/20 1-FR-H.1/26 l-ECA-3.1/20 l-ECA-3.1/20 l-FR-H.1/26 l-ECA-3.2/13 l-ECA-3.2/13 l-E-3/23 l-ECA-1.1/Attachment 1 l-E-1/20 1-E-0/14 1-E-0/26 1-E-1/3 1-E-3/7 1-ECA-0.0/4 1-ECA-0.2/6 1-ECA-0.1/9 1-ECA-3.3/4 1-ECA-3.3/6 1-ES-0.1/1 1-ES-0.1/9 1-ES-1.1/19 1-ES-3.2/5 1-FR-C.1/9 l-ECA-3.1/26 1-FR-P.1/18 1-ECA-3.3/30 l-ES-1. 2/24 1-FR-P .1/6 1-ES-0.4/Procedure Steps/1 1-FR-1.3/10 1-FR-1.3/10 1-ES-1.2/14 1-ES-1.2/14 1-ES-1.2/14 l-ES-1. 2/14 l-ES-1.2/15 l-ES-1. 2/15 l-ES-1. 2/15 1-ES-1.2/15_
| |
| 1-E-0/20 1-E-D/29 1-E-1/6 1-E-3/21 1-ECA-0.2/6 1-ECA-D.1/9 1-ECA-1.1/5 1-ECA-3.2/5 1-ECA-3.1/11 1-ES-0.2/6 l-ES-1. 2/7 1-ES-3.1/5 1-ES-3.3/5 1-FR-H.1/1 DATE 4/29/92 Page No.
| |
| * 04/29/92 SETPOINT NUMBER K.19 K.20 K.21 K.22 ** L.1 L.2 L.3 ,.-r L.4 L.5 .-., L.6 ~L.7 L.8
| |
| * L.9 13 VOLIAN ENTERPRISES/
| |
| Surry (lA) EDP SETPOINT -DATABASE REPORT DESCRIPTION DESCRIPTION used to determine if normal charging can be established to minimize leakage of reactor coolant. Reactor coolant subcooling requirements for establishing normal charging for forced circulation, subcooled recovery methods, including allowance for normal channel accuracy and post-accident transmitter errors. This value is used to determine if a charging/SI pump can be stopped to minimize leakage of reactor coolant. Reactor coolant subcooling requirements for establishing normal charging for natural circulation, subcooled recovery methods, including allowance for normal channel accuracy and post-accident transmitter errors. This value is used to determine if a charging/SI pump can be stopped to minimize -leakage of reactor coolant. RCS subcooling requirement for establishing normal charging for saturated recovery methods, including allowance for normal channel accuracy.
| |
| This value is used to determine if normal charging can be established to minimize leakage of reactor coolant. Reactor coolant subcooling requirements for establishing normal charging for saturated recovery methods, including allowance for normal channel accuracy and post-accident transmitter errors. This value is used to determine if normal charging can be established to minimize leakage of reactor coolant . Minimum charging -fl ow necessary to prevent flashing in the letdown in the letdown line. Charging flow is established at this value while the eves is aligned for normal operation.
| |
| Minimum SI flow necessary for decay heat removal. This value is used to conserve makeup water supply following a loss of emergency coolant recirculation.
| |
| Minimum LHSI pump flow which indicates injection into the RCS. This value is used to determine if the LHSI pumps are injecting.
| |
| Minimum AFW flow requirement necessary for a secondary side heat sink with normal containment conditions and no RCPs running.*
| |
| This value is used to ensure adequate AFW flow for decay heat removal. Minimum AFW flow requirement necessary for a secondary side heat sink with normal containment conditions and all RCPs running. This va 1 ue is used to ensure adequate AFW fl ow for decay heat and pump heat removal. Minimum feed flow which can be verified in the control room. For certain multiple failure events, this minimum flow is maintained to a faulted steam generator to prevent steam generator dryout. Feed flow corresponding to the flow capacity of two motor-driven AFW pumps at the SG design pressure.
| |
| This value is used to to verify adequate secondary side heat sink following an ATWS with RCPs running. Charging flowrate comparable to normal Charging flow is established at re-establishing normal CVCS alignment above its shutoff pressure . charging/SI pump mini flow. this value prior to to prevent pump operation Minimum indicated Service Water flowrate to each recirculation spray heat exchanger.
| |
| This value is used to ensure proper line up of the Service Water flow path to heat exchanger.
| |
| SETPOINT VALUE REVISION 185'F 11/30/89 190'F 11/30/89 105'F 11/30/89 185'F 11/30/89 25 gpm 07/21/88 Curve 07/21/88 1000 gpm 04/02/92 350 gpm 11/30/89 550 gpm 04/02/92 70 gpm 04/02/92 700 gpm 07/21/88 60 gpm 07/21/88 2000 gpm 07/31/91
| |
| * *
| |
| * Page No. 04/29/92 SET POINT NUMBER L .1 O _,,111?' L . 11 if* L.12 L.13 L.14 L.15 L.16 M.1 M.2 M.3 M.4 M.5 M.6 M.7 M.8 M.9 14 VOLIAN ENTERPRISES/
| |
| Surry (lA) EDP SETPOINT -DATABASE REPORT DESCRIPTION DESCRIPTION Maxi mum 1 ow-head SI pump fl ow to protect aga i.P'1t purr.11 ri:rc.,ut during transfer to hot leg recirculation.
| |
| Minimum AFW fl ow requirement necessary fonl'a sec<Jnda; y side heat sink with adverse containment conditions and ~o RCPs running. This value is used to ensure adequate AFW f; ,*, for decay heat removal. Minimum charging flow to ensure adequate boration.
| |
| Minimum feed flow which can be verified in the Control Room with adverse containment conditions.
| |
| For certain multiple failure events, this minimum flow is maintained to a faulted steam generator to prevent steam generator dryout. Minimum SI flow before TSC should be consulted to determine if the SI pumps should be throttled, or if charging flow should be initiated.
| |
| Main steam flow corresponding to the maximum steam dump to avoid main steam isolation at high steam flow coincident with low Tavg, including allowance for normal channel uncertainties.
| |
| This indicated value is used to prevent automatic main steam isolation, and termination of steam dump during controlled cooldowns.
| |
| Minimum Main Feedwater flow which can be verified in the control room. An attempt is made to achieve this minimum flow following loss of Auxiliary Feedwater flow, and prior to establishing bleed and feed cooling during a loss of secondary heat sink event. Containment high-high pressure setpoint.
| |
| This value is used as an entry .. condition for CSP-Z.l, "Response to High Containment Pressure.
| |
| Containment pressure setpoint for actuation of containment spray. This value is used to determine if containment spray should be actuated.
| |
| Maximum containment pressure for stopping the containment spray pumps. This value is used to determine if containment spray pumps can be stopped to minimize RWST depletion and NaOH addition.
| |
| Containment pressure setpoint to reset the containment high pressure signals. This setpoint is used to reset the HIGH-1 and HIGH-2 containment pressure signals when the containment pressure is reduced below this value. Containment design pressure.
| |
| entry condition to CSP-Z.l, Pressure".
| |
| This value is used as a RED PATH "Response to High Containment Radiation level setpoint for post-accident containment radiation monitoring.
| |
| This value is used as an entry condition to CSP-Z.3," "Response to High Containment Radiation Level". Containment radiation level for isolation of containment.
| |
| This value is used to determine if all containment penetrations should. be isolated to limit radiological releases following a loss of a 11 AC power. Containment water level just below design flood level, including allowance for normal channel accuracy.
| |
| This value is used as an* entry condition to CSP-Z.2, "Response to Containment Flooding".
| |
| Containment sump level necessary for containment sump SETPOINT VALUE 3500 gpm 500 gpm 75 gpm 126 gpm 150 gpm 1. 0 E 6 PPH 0.7E6 pph 23 psi a 23 psia 12 psia 14 psia 60 psia 2 R/hr 10 R/hr 7 .2 ft 2.5 ft REVISION 07/21/88 04/02/92 11/14/89 04/02/92 11/14/89 10-01-91 07/31/91 07/21/88 07/21/88 11/14/89 11/14/89 07/21/88 07/21/88 07/21/88 07/31/91 07/31/91
| |
| * NUMBER PROCEDURE TITLE REVISION 7 1-E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 18 of 21 STEP ACTION/EXPECTED RESPONSE i--~~--1 RESPONSE NOT OBTAINED
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: Alternate water sources for AFW pumps will be necessary if ECST level decreases to less than 20%. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *29. CHECK SG LEVELS: a) Any Narrow range level -GREATER THAN 9% b) Check emergency buses -BOTH ENERGIZED c) Control feed flow to maintain narrow range level between 9% and 50% 30. RESET SI a) Maintain total feed flow greater than 350 gpm until narrow range level in at least one SG is greater than 9%. b) Locally isolate AFW header on deenergized bus if necessary to control level:
| |
| * l-FV-141 for H bus
| |
| * l-FV-1.56 for H bus
| |
| * l-FV-171 for H bus
| |
| * 1-FV-140 fo~ J bus
| |
| * l-FV-155 for J bus
| |
| * 1-FV-170 for J bus c) IF narrow range level in any SG continues to increase in an uncontrolled manner, THEN GO TO l~E-3, STEAM GENERATOR TUBE RUPTURE, STEP 1.
| |
| *
| |
| * NUMBER PROCEDURE TITLE REVISION 6 1-E-l LOSS OF REACTOR OR SECONDARY COOLANT PAGE 4 of 25 STEP ACTION/EXPECTED RESPONSE i--~~--i RESPONSE NOT OBTAINED
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: Alternate water sources for AFW pumps will be necessary if ECST level . decreases to less than 201. * * * * * * * * * *** * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * 3. _CHECK INTACT SG LEVELS: a) Any narrow range level -GREATER .THAN 9% [321) b) Check emergency buses~ BOTH ENERGIZED c) Control feed flow to maintain narrow range level between 91 [321) and 501 a) Maintain total feed flow greater than 350 gpm [492 *gpm] until narrow range level greater than 91 [321] in at least one SG. b) Locally isolate AFW header on deenergized bus if necessary to control level:*
| |
| * l-FW'-141 for H bus*
| |
| * 1-FW'-156 for H bus
| |
| * l-FW-171 for H bus
| |
| * l-FW'-140 for J bus
| |
| * 1-FW'-155 for J bus
| |
| * l-FW-170 for J bus* c) IF narrow range ievel in any SG continues to increase in an uncontrolled manner, THEN GO TO l-E-3, STEAM GENERATOR TUBE RUPTURE, STEP 1 .
| |
| ** *
| |
| * NUMBER PROCEDURE TITLE REVISION 6 l-E-3 STEAM GENERATOR TUBE RUPTURE . PAGE 8 of 32 STEP ACTION/EXPECTED RESPONSE i--~~--1 RESPONSE NOT OBTAINED
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: Alternate water sources for AFft1 pumps will be necessary if ECST level decreases to less than 20%. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * 7. _CHECK INTACT SG LEVELS: ,a) Any narrow range level -GREATER THAN 9% [32%] b) Check emergency buses -BOTH ENERGIZED c) Control feed flow to maintain narrow range level between 9% [32%]
| |
| * and 50% 8. RESET SI a) Maintain total feed flow greater than 350 gpm [492 gpm] until narrow range level greater than 9% [32%] in at least one intact SG. b) Locally isolate AFW header on deenergized bus if necessary to control level:
| |
| * l-FV-141 for H bus
| |
| * 1-FV-156 for H bus
| |
| * l-FV-171 for H bus
| |
| * l-FV-140 for J bus
| |
| * l-FV-155 for J bus
| |
| * l-FV-170 for J bus c) IF narrow range level in any intact SG continues to increase in an uncontrolled manner, THEN RETURN TO Step l.
| |
| * WESCHLE.R VX-252 INDICATO.R
| |
| !" I-1400 1200 INOICATOR TAC NO. \.ABEL ON INOICATOR INOICA TOR L.OCA TION 1-FW-Fl-1000 AUX F'O WTR VE:RT. BO. TOTAL FLOW 1-2 . §. [rl. -1000 err ' 5
| |
| * ei i-800 I.I..= i-. GPM ! 111 600 ti
| |
| * 0 . 400
| |
| * NOTES 1. LINEAR SCA.Lt . *~ ,-t 200 -.Lo '\ 2. Sl2E NUMBER$ ~INl~UM, OOiHIC F'ONT HEIOHT*J/16'\
| |
| WIOiH*7 /64", THICKNESS*0.025" SIZE OF' LE:TTtftS MINIWJM (CAPS ONL "9* GOTHIC F'ONT H£1GHT*J/16", WIDTH-7 /&4*, THICKNESS-o.02s*.
| |
| : 3. GAAOUA TION !.INE SIZES: . MAJOR -LENGTH=1/4*.
| |
| WlOTH=0.040" IN1'ERME:01AiE
| |
| -1..ENGTH*3/1S*, WIDTH*0.030*
| |
| 3 2 MINOFt -LE:NGTHa1/S*.
| |
| WIDTH=0.015*
| |
| ...._. 4. ALL ENGRAVINI:;
| |
| SHALL BE: IN ACOOROANCE WtTH STD-ON-0036.
| |
| : a. POINTER IS R£0. O 1 2 . 3 I,, ,t,,, I, 1, 1,,, 1,,, 1,,, I. INCHES SCALE: FULL SIZE NON SAFETY RELATED SWEC 14937. 70 DC-88-27-1 l,iJO , F'ULL SIZE INDICATOR SURRY POWER STATION UNIT NO. 1 r-:"Q-m*_RSi, .... ~,.~ .. n'?li,~~~u,~,:=a'!'l:11
| |
| ~nr.ii'""CHt--m~a:.+_...,.,;..-:-i',L-:l:':ai,~t
| |
| ~,,. -rv: nr-ss-21-1
| |
| * -uw ~\ VIRGINIA POWER ., i l!l'UJI' I ll,J,.IC71U11,,1--m-.lial,,l,I*
| |
| aa-..,, +-----------~ STONE &. WEBSTER ENGINE:ERING CO~P. DWG ffi f t BOSTON, MASS NO.' 58827-1-E-4202 REV O ; .. . c:0
| |
| * d so>11::i I 1 . .1,,c:ic:ins 01 c:l315S:3M
| |
| '8 3~~015 l..JOc:l.:l TS ; 60 C:66 T--c 1:-,1,tJW U IL---------"-------****
| |
| I :z L . I TEAM '.;ENERATOR IA PR!SS. I 133? ,...,.._4
| |
| ~-4,,,, ........ 1, hEAi. ENERATOR B PRESS .;. Pl4B5 PI*~C. $TEA~ *
| |
| * ENERATOR C PRESS ** i .. _ ; ,,,,,,r r----,.1--T""'""l-,.11~-,,-~~
| |
| I . I STEAM STEAM ) . STEJ..t..l
| |
| '. GENERATOR I GENERATCP. **o.~ . . )11 LEVEL *, IA FLOW > .IA. '.i:o*. I I -, :x ,:.1.0.....i
| |
| * 333 i 3!4 :>< i;-1 In S'!oS :.1*4141ll*,4iS
| |
| !.J*47C.i FH74 ll''l*,415 4-7'7 147'9 hcAJ. GENERATOR IB LEVEL 333 $TEAi~ GENEPATOR IC LE\'EL l STtAM t G&lE~TOR~
| |
| IC FLO",.' I) I) ,,,,, ,,,, / / ,I ,I .I '"§). ~*@ / / / -----..;..-------~
| |
| ::NERATOR
| |
| / IA 18 IC_ LV . RECORCEFi v FEED: WATER PRESS RECORDER PR-FW-153 I c.oL.o I 5"l O~fl."', E. 'n>N~* 1..1:.IJa'-.
| |
| I LI jl.l CN ~II 1100 IOI, COND STOR* TKS LEVEL LR*CN*JOO LFHN-104 -. *, ~-u O II. I I ,/ ' I.I ,1 INCOMING I.I 4.IAIN STEAM ,1 SYNC SYNC I.I 1.1 HOR PRESS ,1 SCOPE VOLT ,1 11 I I 310 ,1 II f'2'\ .I RUNN1~1j l 1~ 314 s me .1 II' l'l*.&.:JstP.t,""IPI-~ .I .* VOLT 1.1 ,I * ,I "' '77""'.,, ** 311 I .3 to 11 II I V :....L.L ----*---'-~
| |
| * . :, 11 TURB 1ST I.I. STAGE 11 PRESS ii' II l,' 1,1 '.I II .. I 32, v II II PI*4"'1!'1*441
| |
| :, L, II ,,,.,,,,.//
| |
| sn.1 1 GEN!~ FD PP II suer Pn£SS ; ; PI II !llo II CN :50,I ~,SCi:) II UNIT LOAD REC OP.DER .////////1/,////
| |
| / ,,, ' ,I ,I ,I ,I ,I ,I ., ., ,I ,I .; V I.I I.I I.I V I.I V v 313 V , ,*, '-i.4? ;:?EAC CHU CC(;L 0Ni W7F. . *RECifi L*Mi" ~ANK AJR TEMf I LEv coo_ INLE1 L, TI Tl ICC*IOO C:*,2Z >-~ ;.: I. f:~,ttN= CCI :ANK '1ANK I OOL COOL LOW iEI.F 1FI Tl Fl r-c1..., C~ll,C. CIOOA //////// I.I ,----,,---.---, I Aux. 'sr , I GEN A1,;x I FtRE rUsi-AUx I CP t~P.,...., 1-!P IHTP ::, ,.. I.I STM PP IREa.( *ST!,! ,/ 1. ' 1 r l-f7R I FD WTR Fl.OW II HOR TO PRESS ?P p~:. II PRESS *
| |
| * AM~ HiR Fl.A$-; ,1 . rHOR I REC Fl FI FI E~ -~~LE\ FW F W F W V * !,LI 8 .; A I * ;1 p, .; 319 0 / P'I Pl *~ :u,32o 100 ... 100" ; .; ,, tf!:Cl!n~-~-f!!""E*-S ot>*I *!.!>I ( .1-..... , ... , .... , .... ,_.....* * ..... , ...... , ...........
| |
| ,, ........... , .... , ... ,~-rl.l),o'
| |
| ............
| |
| ,, ..... , ... , .... ,,..-,_., .... ._,, .... , ..... .-~jEMEK v ~OND * *MlKI ' CON!) ... CONDENSER r~. I uP
| |
| * Hor 11 .vAcuuM Rec COND : i;
| |
| * TANK TAWI( WrLL i; LEV LtV LEV II * ?R-CN *IOIA I ND two ; LI ~. PR*CN* 1018 REHEAH.!AAIN STEAM TEMP REC . (z) .. T!,-MS-101-A I I 8RNG O!L ~UCTICN A )ISCHC:E PF. BRG n~ . .,q ; :11, ~-----3-38
| |
| __ CJICI~ ~IC=IN*~l~::::;,_
| |
| __ -,-_3_,_s
| |
| __ 531. ,1 ~1 :;::;,,=,;::,:;::;::;,;;.~
| |
| '---,-------'
| |
| rq.Ms-101-c TR*MS-102
| |
| ~-.. m OIL MC..F V. n.::R :::..CTw LO*l.:lO LO**ol GEN A*~ -FLOW STM GEN 8 f. W. FLOW STM FLOW FR-488 339 -STM GEN C -F: W., FLOW STM FLOW r r-------. . OXYGEN ; THROTTLE 1ST STAGE 7URl3 REHEAT STM ; RECORDER ... PRESS REC PRESS TEMP R'::C -i.,. ,I PR-MS*/02 P~*MS-ICBA l TR-l.iS-101 B ~R-SS-100
| |
| ; OzR*SS-101
| |
| ; PR*MS-1038 I TR-1,1:-iO!D II 3'75 II 32<.. 304 327 .//J/,r////F/J
| |
| ~.. ... _ .. JL __ ... _ .... JL_ .r.;:-:;1..
| |
| ~------------------------~-----
| |
| *
| |
| * I *
| |
| * Memorandum Vl//fOIIIIIA POIIIIER IIIOlfTHCA/IDUNAPOIM
| |
| _,.._.,.., To From. Distribution L. M. Kolonay, INJNW Innsbrook Technical Center November 20, 1990 PROPOSED SCOPE CHANGE DC-87-30/31 AUXILIARY PBEDWATER FLOW INDICATION IR 4874B NORTH AHHA POWER STATION .The purpose of this memo is to request concurrence to revise the scope of the subject design change to delete the installation of the total auxiliary flow indicator.
| |
| | |
| ==1.0 BACKGROUND==
| |
| | |
| The subject design change was developed to implement CRDR corrective Actions CAJE and CAllE (see Attachment 1, excerpt from letter to NRC 85-268C, dated June JO, 1986). These corrective actions were proposed to resolve HED's 10002241 and 10A02272o (Attachment 2). Although neither of these HED's specifically cites the lack of a total flow indicator as a problem, the corrective action identified by the Human Engineering Discrepancy Assessment Team (HEDAT) included provision of a total flow indicator.
| |
| It is presumed that this was done because the AFW flow requirements contained in the EOP's are generally stated in terms of total flow and a total flow indicator would relieve the operator of the task of computing the total. In accordance with the corrective actions, DC-87-30/31 accomplishes the following:
| |
| Linearizes the individual AFW flow signals to the indicators.
| |
| Expands the range from o -400 gpm too -500 gpm. Revises the indicator scales to be linear with increments*
| |
| of 10 gpme Adds an indicator to display the total of the three loop flows. This design change was implemented for North Anna Unit 2 during the recent outage (DC 87-Jl)o LMK/psj:ll2090c APl'EH r'J. 4
| |
| * 2. 1 Dc.r' CJ I -?.o:>-fd.j "I... z~ .£ 7o Fom, No 7200Q31AUQ 1181 /Formell\l i7C;>4C::":'
| |
| *
| |
| * 2.0 PROBLEM ENCOtJN'l'ERED . Description During a review of EOP's to identify revisions which migpt be required as a result of DC-87-31, it was realized that use of the total flow indicator for EOP's would be impractical for the following reasons: a. The individual loop flow signals have large uncertainties at low flows (less than 100 gpm). To account for these uncertainties, minimum required total flow values, as read on the tota.l flow indicator, would need to be raised to values higher than the capacity of a single motor driven pump. b. Minimum required total flow is based, flow to intact steam generators.
| |
| indication includes flow to all regardless of status. for most cases, on The total flow steam generators, Due to the concerns described above, the EOP's for Unit 2.were written to use only the* individual loop flow indicators
| |
| .* source of Problem This design change retains the existing method of determining flow by mea.suring the differential pressure across a primary flow element (orifice).
| |
| In this method, the differential pressure developed is proportional to the square of the flow. This relationship is illustrated in Attachment
| |
| : 3. As can be seen from this illustration, a small change in differential pressure at the lower extreme represents a relatively large change in flow. As a result of this relationship, the uncertainty in indicated flow increases as flow decreases as illustrated in Attachment
| |
| : 4. (Based on calculation EE-032 Rev. 2). As shown on Attachment 4, an individual loop flow indication could be as high as 72 gpm when actual flow is zero. As currently designed, the total flow indicator receives a signal which is the sum of the individual loop flows. For situations involving zero flow in any individual loop, the value displayed on the total flow indicator could be in error by +/-72 gpm or more. In addition, the total flow indicator will display the sum of all loops which could include flow to faulted steam gene.raters
| |
| * LMK/psj:112090c 2 DCP '1/-ZcS-2.: .. 7o
| |
| * *
| |
| * 3.o ALTERNATE SOLO'l'IOHS Redesign Total Flow Circuitry The total flow circuit could be redesigned such that the
| |
| * unreliable portion of the flow range_ is excluded from the summing operation.
| |
| The hardware choices for such a modification are limited due to the need to use qualified equipment which is compatible with the Westinghouse 7300 system. The desired change could be achieved by replacing the square root extractor cards with function generator cards or by adding these cards
| |
| * downstr_eam of the square root extractors.
| |
| This alternate is not recommended for-the following reasons: a) The total flow indica.tion would still be invalid for cases where total flow to intact steam generators is required and flow to a non-intact generator exists. b) Replacing the square root extractor cards with function c) . generator cards would result in a co;mplex calibration p_rocedure.
| |
| The square root curve would need to be approximated by straight line segments set up by adjusting eight gain and eight bias controls for each card
| |
| * Adding*the function generators downstream of the square root extractors would increase the parts count for each loop and thus decrease reliability.
| |
| Revise EOP's The EOP's could be revised to accommodate the limitations of the total flow indicator.
| |
| Either the required minimum flow values could be raised to account for the applicable uncertainties or restrictions on the use of the total flow indicator could be identifie~.
| |
| This alternate is _ not recommended.
| |
| Raising minimum flow requirements to account for the applicable uncertainties would result in requirements for two motor-driven pumps to be operable for certain EOP's which currently require only one. Adding cautions or restrictions on the use of the total flow indicator would add to the operators mental workload during an emergency.
| |
| -.This is contrary to the intended purpose of the indicator.
| |
| LMK/psj: 112090c
| |
| * l+PPEr-t:>I
| |
| 'I. -t. "2. !)( fJ q I -2.a'f Po.,-2z.. cf 7~ 3
| |
| * * ** 4.0 RECOMMENDATION NES recommends that the total AFW flow indicator not be installed in Unit 1* (DC 87-30) and be removed from Unit 2 at the next opportunity.
| |
| Justification for not installing the total auxiliary flow indicator is based on the following:
| |
| a) The specific problems identified in HED's 10002241 and lOA02272 have been corrected by: Expanding the individual loop flow range to 500 gpm. Linearizing the indicator scales and marking in 10 gpm increments.
| |
| Revising applicable EOP' s to reflect minimum AFW flows. of 100 gpm in lieu of 25 gpm. b) The total auxiliary flow indicator does not provide unambiguous information for all credible situations.
| |
| For cases where the required information is total fl.ow to intact steam generators and flow to a faulted generator exists, the total flow indication would be invalid. 5.0 ACTION REOOBSTED Those on distribution are requested to indicate concurrence with the above recommendation by signing in the appropriate space below. If you have any questions or require further information, please contact me at Innsbrook extension 2217. fl.f PE,-/bi ,c. .,f. 2. D c.i' 'f I -20~ LMK/psj:ll2090c p""'5'"" 2 3 S "? o 4
| |
| * * ** Prepared By: Proje~E~n~
| |
| Concurrence:
| |
| Concurrence:
| |
| =-1--,-.,....__--J I i-,t ,.Ja _ Supervisor Pro?,ect~
| |
| gineering )t/ J } ./) / I ___ 1 __
| |
| * ___ 6 ..... *_t,._~_.
| |
| ___________
| |
| _,I /1' .!1 I lo Superintendent-Nuclear Site Services Date Concurrence:
| |
| :D~ S ' d t fE. ' / 11)2el 'Q if Concurrence:
| |
| uperinten en o ngineering Date -~e;giifij~t~-===--.:.---___,I rJt31 /ch~* Asst. Sta~~gr. Operations
| |
| & Maintena ce concurrence:
| |
| ..:J:e.:)
| |
| / l~'lJ Asst. Station Mgr. Nuclear Safety & ate Licensing Concurrence; i~ Mana NuclearEngineering
| |
| / ,, *11.,"0 Date Distribution:
| |
| Mr. E. s. Grecheck, INJNW Mr. R. w. Riley, INJNW Mr. M. w. Gettler, NAPS Mr. o. A. Heacock, NAPS Mr. R. o. Enfinger, NAPS Mr. J. A. Stall, NAPS cc: Mr. M. G. Pinion, IN2NW Mr. w. o. Corbin, INJNW Records Mgmt., NP-69.2, INGW LMK/psj:112090c A fPE"' b I ')I. ~. :z. Oc.P 91-?...c5"" fAG e Z.f .;,F ?o ii' a,,d'..,, ..... .t .,,__-:.~*
| |
| ... .... 4 -fl... 4"<4,.., t'""-t 4Kd .d"el..,
| |
| * t;"'"'-;u-o I~ AJl4.~ s ~I/.
| |
| << .Jocu. If.~ .WO._ ~1,,w.6~1'7 ~.(,,,ed..
| |
| _J A~l! '14<< ... J. "44*~* ~"'-"-~,...., ~d ""'-i' d Dk.t 4-e&e,u *'" ""' '"lM ,u.e ~D J "F ._t: 4 ;..e'"" ~-I a..ti. l.1:1 d ffWl. t,/. :z. -ea,....(.
| |
| 'lat: M ,ua:t. lc.c.;, k>d" 1 ,./,f ,1,1 A k 'Hc.c. :Ju o * ---, re n l"f":,
| |
| * * *** LMK/psj:ll2090c EXCERPT FROM LEfflR TO pc s,, as~2,ac, PATIP 0,13011, /H'/1(£.,(J/,( . f.: {)c/ C{t-z.c., Po..st!..2s-5 7:,
| |
| CORRECTIVE ACTION I CAI£ CA2£ (A4N TMLE FSR-1 AHACHHfNf I 1 AOL E r SR-1 .* sthlAl NO. 85-26RC r u *l -~. tJ *-./, I '*' Ir "' "'* 'l: q,_ ,) COIITROI.
| |
| ROIII 0£SIGN REVIEli FINAL SIIIWIY REPollT om ANNA PdlER STATION UNITS I Am 2 PROPOSED CORA£CTIV£ ACTIONS All) HRnntATIIII SOIEIU.E ui v r /.) <:>... <t PROPOSED CORRECTIVE ACTION Perform*study to address htgh ,..,tent noise tn control rOOllli lt*tt cnntrol room access and tnvesttgate other noise reduction techniques and hnplement
| |
| ' reconmendations.
| |
| Adjust a lanns to be 10 OD(A) above ambient noise level. Conduct study to identify
| |
| * conmuntcattnn syste*s problems and implement reconmendations.
| |
| .. Resca 1P Aux ii tary feedwater flow tnd(cators (lJnear 0-500 GPM Increments of 10 GPH). Coordinate with CAIi! (IOA0227.2).
| |
| Provide step-stool and use existing
| |
| * strip chart recorder for determining Condensa le Storage Tank 1 eve l. Coordinate with CAJRN (iOA02023).
| |
| SCHEOOLE ST/ST I/ST ST ASSOCIATED HEOS 10000012 10000005 IOA02.901 10000505 100007.02 10000203 10000204 10000205 10000206 10002241 IOA02021 JUSTIFICATION FOR PARTIAL OR NON~CORR[CTION or HEO 1 1 11. R or 70 * *
| |
| * WRIH f T IVf ACTION I -*---------CAI.?[ CAIJE CAl4E ,'IJ. IO of 70
| |
| * PROPOS[D CORR[CTIVE ACTION -Provide meter for Total Auxtllary feedw~ter flow f0-1500 GPH). Coordinate with CAJE (10002241).
| |
| Provide direct valve posttfon Indication wfth RED/GREEN lights for Pressurizer Spray Valves. Relocate Casing Cooling components to Safeguards Panel * . Perfonn study of Annunciator Alal"'l'I Syste1111 and implement upgrades as necessary SCUEDUL[ ST SJ ST ST/LT
| |
| * ASSOCIATED HEOS JOA02?.72 IOA02274 IOA()2402 IOA02911 IOA02106 IOA02107 IOA02l04 IOA02905 IOA02912 IOA02916 12A02I09 12A0211 I 12A02112 12A021 ll 12A02114 12A02115 12A02116 12A02117 12A02118 12A02119 12A02121 12A02918 IOAOIOOI IOAOI002 JIIS Tl r ICAT ION f OR PARTI Al OR NON-CORRECTION Of HEO ,..J "ii-"' "' I -C, :1.. l~ "l..: v <t. r..-, -*
| |
| *
| |
| * LMK/psj:ll2090c A'l''l'ACHMBH'l' 2 DD 10002241 DD 10A02272
| |
| * *
| |
| * c~IERIIE DISCRE:lQNCY RE:ll:Jlr.
| |
| NOAiH I.I'll'" t COM A QSSE~!'fT
| |
| ~: REV::* TITLE ~IBILITY STA~ DATE II -S ERIIOR1 DEJIY /Ei!ROII IN CJ) RE~. ... PROa.a! l&CRIPTll)U 5aL£S ~ITS AR£ rcJT ADEllJATI FOR ~INTAININ6 SYST9!S AND EtllIP tu Tl£ PRECISI~ AND~ tt;Y REIM RED. 171lf PARRA?,,I tt./~.!1£.~:
| |
| S.~. l.:.A !a.'81:Sr:D
| |
| ~Ii: ~TE INDICA'!'IIJI ADEllKY (F SOU DESI8N 11111 IIEJIUa IIITH IIJE APPOIIIATE
| |
| !DUS FR:~:~. i>lSPOS!~!i)t:
| |
| ~:SC~ ~5" P -_zra~. r~R::.1£~:s OF SIi ;,, .. DATA C1l.:..EC"."::l'.'i DESc;!w"'!~
| |
| ""D CODE ~!h ~;i-),i ~:ft1r::A:;~ y~~DA7~0i\
| |
| r.:. ;-..;. FI~w-1* r=:~rl..S FI~lllC :;-=.-aNA FI-F~ F:a;.-MK:
| |
| H !GT lN 1JIW Fl&.i t tt. IGT IN IIW FIL& t tt ,GT :II lW FIL£ t tt IGT IN IIIV FlLi t ~ll E7:, -.u IETEI ~u IETER =E£!>WOTE~
| |
| svsrt* F~TO SYSTBI =UMTER S'fSTSM t4-/'fc,.J ) I Ji. -4 . 2. i) '-I' 9 I -Z,o5'" (,'.._~~ Z"f .;;~ 7o 12/19185
| |
| *
| |
| * ENGlf'££RJNG SUT ABIL TIY ,u,c YAI.JPATION ~a. ROOM n,cnc>>a APPENDIX 89 HUMAN ENCI"EERJNC OISC:REPANCY (t-EC) REPORT r . ' b) ITEMS JNVOLVEOI SJ->-..~~
| |
| a,-1 3 March 1984
| |
| ,----------:---------=-=--~~-,,..------~~--------,
| |
| * APPENDIX 89 t-EC REPORT (CONTJNLEC)
| |
| ~~<n4°zlf:J
| |
| -LA t-£0 N0.1 p .I -9 s-g) REVIEW ANO OISPOSITIONz
| |
| * ./ ~p/*/'I /)(JI. ~; z. Ocf' Cff-1cS Po..5 3/ .:S 7~ lt-2
| |
| --. ---* .. ----*------.
| |
| --~ ------------*vi -........ ---------. *****---. -----*-----*--**--*** *---------I __ ~i fTEA~_f:l-PvJ,-~tz~::1-/t:_,lb:-t
| |
| _"'-U.,-)s
| |
| ----i~_C-f/'1.
| |
| -~ --*-*---*-
| |
| _______ 5a ___________
| |
| ;__ *----1 I -. =---~--------**-**----. ---*---. -* ------*-----*---*----* ****--. ____ ,/{.jTV~~
| |
| il,~ATIO/V
| |
| __ .nf".fr;-,Z.lTQ/s
| |
| ~---+---r * -_V _' II' !) .d e;_ J _-: ~~fe:9tt>~~
| |
| ~-S'f _ _u_o _<? __ s_ --*--* C,o~.PoJ~f.lT.
| |
| coot-.(}/~.
| |
| J.JJlfrsrz..y_/.i,_uJJ-~
| |
| ~----* 1'~~ ~~~~~:.1ctor-<'J;
| |
| =~-~HAR~,~~~~t~-
| |
| ~t-~ ---~ ft~-----(
| |
| (~9-~~;-~-~-
| |
| : .. --.C~--~ __ ... 1 Efi.VICc .JJJATe:fl-
| |
| __ r_t.~_w . .F..I-.. ~w-10*.;A 13 ,-~--___ ~--~---?_~g__fr~
| |
| 6_a ,41 _______ _ . . -**--*-* .... _. -=* -------*----*-
| |
| .. -*--* *-----~-. . ---____ CC_}j_t;:frT.
| |
| ... e-AC..tl/W.~ER..~4~_w_, __ ~.d. _J-~.'-/-~P
| |
| : I ~. f s.t ~l~C, ~i~~--( ~---~ -j U --~--~L ... ----------*.
| |
| ----~---'-:~+--. ___ -. ----------------__ -* __ *-__ f!fPf,./DN
| |
| ... _ 4. 2 . c,cf "h* zcr A -, ~. -. -*-. -. -... P~-L-"?,§-:..:.. .
| |
| * * ** .S/14/86 NORTM !MIT I aJIE A ASSeSPEHT
| |
| ~T REYI:ii TITI.E IIESPONSIBibITY STATUS llAiE ENS i...-ERROR: DISP-..AY INTERPIIETATlOH ERRORS. ... PROILBI DESCRIPTI~s (J)5 CAM(JT READ WL1.ES IF >2S CJIJ A IWD 511 A ()I EXISTIN6 SOU. @718 PARAS~ NIJI.BER:
| |
| &. 5. 1. Z. &I ii.~. ;.a.o 9J86ESTe>
| |
| SACl(FIT:
| |
| .'l-1iJV:J~ T.:i .:ii)t1,la"u~~
| |
| 7u iiEAD y~ AS DIR£C7~. ... DISPOSITION:
| |
| :>~Ilr. :OT~ ~ii F.JJW lflfllli:&!TlON t~lHelM 11= lf-1511 J COORDINAT:
| |
| WliH PI-~1 1111112241.I o.ni co~no.-c DESC~l~T LiJN CODI: "-1&A1 *;).. 9.2 VER:~!~::O-.
| |
| Ar.I) IJAi.!OAT:Qli iIDIA'V'.l,:
| |
| ~-i!S. 256:>I! EIDAIU Ai 31 CF !CU <ACDJflAC'f IS 1.511. I WIS I NWi.. 'JElh II -5 12/19/85 SU8SYSi~II FI-fw-lNI FI~l~ i::-=.-aNA FI-f..-.S FI-Fr-21E H JGT IN INV FILE t H ,cJT lfll I"V F:Li t H ,GT UI IW FI&.£ o C.?l ETE.lf IJIMU IETEI C¥M:*11 1£.'EI FE£l'JWl'i" s,s*e, F££Mli£R SYSTUI FEEDMATER S'fSTD A ,'/Jf;r-1.VI
| |
| :J.. 4. vc:../J '1 r -z" ;-
| |
| APPENDIX B9 HUMAN ENGINEERING DJSCREPANCV (HCD) REPORT * * >IOPs 10 ,&.o 2 2.11. PLANT/UNIT ORJGINATOR:
| |
| -~--* _?, ____ , __ \ ,_*,_-t;-='2-=------
| |
| HEo No.: _V_J:_-__ o...,s: ____ _ VALJDA T£0 BV: __________
| |
| _ OAT£: II/ '1/ 8 S ; ' a) HEDTJTL£:
| |
| ::U,sfla.y ov+q...,t does not 9,\)01rY '2,,ccu,r~+c:
| |
| re.Q o~ b) JT£MS JNVOL VCD: 71t~e\ \-E \-co-o4 r I: -f:\IJ -2.00 A f I.* Fw-2.00 \:) .I: -Fw-2. O 0 ' ' ~~V\~\ J..-E I-C.ta-04 F!* FW-loo A, ~t.-Fw-\oo e J Fi-'Fw-loo .) PROBLEM DCSCRJPTJON AND 0700 PARAo NUMBER: ~~!fAt~& a.re. (j,i"ec..t(J To C"<<.4G \/111.l-.c.s of > *. ~., ** (Cl) (cl) 2.S [lo"} j f""'-1 EClf -;./ d( $'00Jf~ ;f Fw /!1,w w, fi't ?.-ru. ., ,., d 71Jo 1 /JM " ?'if-S*/ aft'~ " (111)
| |
| * d) OAT A COLLECTION DESCRIPTION ANO CODE NUMBtR: ~sK A_n~,1.$.
| |
| \Jei~t,~--t:'
| |
| 0~ e) SPEClrJC HUMAN ERROR'1):
| |
| * f,.,,, o ro +o" J f' ""'1 ; }J,~ /()Oaf'""*
| |
| NPtt.JPI/..
| |
| 4.2.. Ou' qt-lc'5"" \::,<>-j c:.. ~4 (,.( -:-:: -~-~~------------
| |
| * APPENDIX 89 HED REPORT (CONTINUED) lo AO 2. 2. 7 2. tJ ft f S w,n-,t I ! ;2. HEO NO.: OS PLANT UNIT -f) SUGCLSTEO BACKFJT: '7-<ov; d.... sC: fe. To 2o. ( I o....., "t. ...._ O(Se.'(".
| |
| o~.:5 \O ~e.za.d. v~/w,e..~
| |
| ~) 1( ~-:5 G.it.. (-e_ v1A e.--le l-S -k l 1 V\ ~\, -s~J-L . w: ffA v~-:\L-0-h 50°t) vr I \/\ W {:: ~V\.cvlJ~'":)
| |
| * . + 1'.lk-v ,do \J l>!-'f 5 -i 1°oO-ZZ41) . ( l) ?vo \l~e.....
| |
| d_ +D l ().,~ lJ ,t( w / I *1V\1A-v -s~-t.. ( O \5oo~ j
| |
| * 89-2 M 80 70 60 50 --..... z: 3:: <( g 40 LL 30 20 10
| |
| * 0 DP /FLOW RELATIONSHIP 5 10 15 20 25 30 35 40 45 50 DP (% SP.I) *
| |
| .., f-i z s u f-i 80 70 60 50 3: 40 0 _J LL 30 0 20 w J--<( .--.... . U.L 10 0 Q_ 0 :z -'--. z.: -20 0::: 0 -30 Cl'.: Cl'.: -40 w -50. -60 . 80 * \ \ AUX FW; FLOW INDICATION ERROR VS FLOW \ \ \ \ \ \ \ \ ..... ', -------------------*
| |
| ,,.....-.... ***--***-***-******
| |
| -***---I / . .-' ,1 .i + ERROR LIMIT -ERRO.R LIMIT ...... / ..... 0 1 00 200 300 400 500 50 1 50 250 350 450 ACTUAL FLOW (GPM) * *
| |
| * *
| |
| * 11.6 CORRECTIVE ACTION EVALUATION CANO.: 6E CA DESCRIPTION:
| |
| Demarcate and add colored background on Auxiliary Shutdown Panel same as MCB. Tape is to be removed and replaced with orange and purple color dots on labels. Coordinate with CA24E. EQUIPMENT MARK NO. Auxiliary Shutdown Panel Components 11.6.1 HED REVIEW -ORIGINAL FINDINGS HED No. 20A01305 -Lack of demarcation lines. (NUREG-0700, Section 6.6.6.2.a)
| |
| HED NO. 20A01305 As identified in th~ original CRDR Label and Location Aids Survey, the Auxiliary Shutdown Panel was not provided with lines of demarcation to enclose functionally related controls and displays.
| |
| The lack of demarcation could result in a delayed/incorrect operator response.
| |
| DC-88-25/26 would demarcate and provide a colored background on the Auxiliary Shutdow11 Panel consistent with Main Control Board standard for colored padding. New labels in accordance with Virginia Power Standard STD-GN-0036 would also be installed.
| |
| The DCPs were not implemented . 11.6.2 HED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs 0 YES IXI NO O NIA The ability to quickly locate controls and perform orderly cold shutdown functions is identified in abnormal procedures and FCA (fire contingency action). EPIPs 0 YES ONO IXl NIA Not applicable to Auxiliary Shutdown Panel. APP.R IXl YES ONO ON/A The need to locate system controls are important for Appendix R and orderly safe shutdown of the plant. ERF/SPDS DYES D NO l&l NIA ERF /SPDS is not associated with Auxiliary Shutdown Panel. VARS01A.B7S-l RG-1.97 DYES IXINO ON/A All RG-1.97 display instrumentation is located in the main control room. LERs/lOERs DYES IXl NO D NIA No LERs/IOERs concerning the ability of an operator to locate specific controls or view displays on the Auxiliary Shutdown Panel were found. HPES/STA DEV /SOER DYES IXI NO D NIA No station deviations/SOERs were found concerning the ability to differentiate ASP controls . TECH SPEC ITEM DYES IXl NO D NIA The controls and instruments on the ASP are not Tech. Spec. items.
| |
| * *
| |
| * Il.6.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The corrective action indicates color coordination/demarcation by system and power supply . Safety Significance
| |
| -The auxiliary shutdown panel (ASP) contains Class IE components.
| |
| Potential for Error Power Supplies The potential for error is high for power supply and low for system differentiation.
| |
| The Abnormal Procedures (APs) require the operator to determine which bus is available.
| |
| Presently, the ASP component labels are not provided with power supply information.
| |
| Background color demarcation in the Control Room provides the operator the ability to distinguish between areas of -control between the vertical boards and benchboards.
| |
| In the Control Room, it enhances the operator's ability to locate systems on multipanels; however, the ASP is a single panel with limited functions and demarcation is not required.
| |
| Consequence of Error -The consequence of an error due to the lack of power of supply information would be a delay in operator response to operate a particular control. Il.
| |
| | |
| ==6.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Due to consequences of error in determining power availability at the ASP when performing APs, it is recommended that the ASP component labels be revised to indicate' channel/train color. The legend plates and labels will be "ngraved in accordance with the Nuclear Design Control Program. The demarcation of the ASP in color by system is not required for the following reasons: 1. ASP is a small single function panel vs. the control room panels which are large multi-function panels . 2. ASP has single functions
| |
| : 3. No simulator training problems or documented errors were noted . V ARS01A.B7S-l
| |
| * *
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS I EOPs/EPIPs I ERF/SPDS Q-LIST RG-1.97 I LERs/IOERs/SDRs I TRAINING MODULES I TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D D D I D I D D D D D D
| |
| * *
| |
| * SURRY 2Wl3e5 UO< OF DEAARCATI~
| |
| LINES IU!AN ERROR: TITLE ~IT I CODE A DELAYED/INCORRECT CPERATDR REPOHSE. ff+ PROBWI DESCRIPTIDk:
| |
| WIARCATIDN LINES NOT USED C>>I 111T SHIJTilOil\
| |
| PANE!.. e70il PARAS~ MJl'JER: o.Ei.o,i:.R SI.SGESTED MOO IT: NOTED JAN 2 Q 19Sf H.W.t ASSESSfEN'T LAST REVIEW ~IBILITV STATUS DATE II -S 87/11/85 DEIIIARC HOl ~rt. ti.l~,r.ATI~
| |
| PiEtD FDR O~/?UftiU TAPE/ARROWS USED TO ASSOCIATE CT!l. S61TCIS W/ PROC CTRLS ..+ DlSPuS!ililh:
| |
| / Dc~R~f4Te
| |
| & H!)jj COi.OR ~ATC.U:S Hi! Oft ,~a. iR,,E 1S TD l!C RE.IIIOVED
| |
| & lleP'.~ED
| |
| ,,,, DRANlr-& PiJIPi.£ 00..DR DOTS ON LABEL DATA CO.aCilLJ!';
| |
| ~.SCRIPTlrr.. CQDE ltll'U*iu T...-6.1 !..A=LS W..11 !.OC~'!'lDN IUDS SURYE~ ITEMS 1 NIJCn.. \'ED: MRI( NIJIIB:ii LOCATIDr-~N'T MME SVSiEtll SIJBSYSTE" DEM~ Lltc:S ff Nill lH Jr.v FILE t ~~J.~vk. wti l,Z-4-G, (zz-M-Z068)
| |
| * * * *) l May 198:5 HUMAN E.NGlNEE°RlNG DISCREPANCY (HEO) REPORT 20AO-l3~5 ORIGINATOR:
| |
| -"J)....:;..s;::,c,.
| |
| _______ _ HEO NO.: -~D...111,S_-~, b ____ _ VALIDATED BY: _________
| |
| _ DATE: a) HED TITLE: ~19Ck Or l>EHA/fC,,,TIQIU L.t..VE"5.
| |
| b) ITEMS JNVDL VED: k At./.. CtJMPO-UENTS o,v SNVT'OoWN c) PROBLEM DESCR.lPTION AND 0700 PARA. NUMBER: (~G.G. ~q) /)E/ll?AAC~
| |
| TltJN ~.IA/c$ ,Vo T U.SED ON No T SNvrD~c.,),IIJ PANEL. d) OAT A COLLECTION DESCRIPTION At<O CODE NJMBCR: T~~./ t::JSSElfV;tfTION e) SPECIF"IC HJMAN ERROR(s):
| |
| * /)E~l'f Yet>/ /A./Ct:Uf
| |
| /(JEC r OPE,#f,'f Toll. AE.SPoNSE 1
| |
| * * **-l May 198'3 HED REPORT (CONTINUED)
| |
| Swlf yfeoT SHVTl)ou.JN HED ND.: J)S -\ b . PLANT/UNIT f) SUGGESTED BA.CKFIT:
| |
| (&.{;.,;,.q)Ao,l . /'91°/J~ f' /)EHl'IRCIIT#J/V OM S Nv,l)oe,,i/J Pl1"h~~ * ,N1.s .,,.,,., Y E~.,,,,_,/,s,lfrc
| |
| ,,,v£cD
| |
| * Fentf ol'fl'IAJG, e j p,,1_1f P~ c CCOl,V(;.
| |
| TIIPc l'IIVO lt//lU)uJ.S u~ISI> T~ l'ISSoc,A~
| |
| Ct,IV TR. 11 1. stAJ, re HF s "", rH Plf e,c ~s s co 1Jrte. ,,, c. F1t.s,
| |
| * 89-2
| |
| * *
| |
| * l May 1963 ., ., HLJMAN EN~lNEERJNG OJSCRCPANCV (HED) REPORT ORJGlNA TOR: _,.0),c;,..
| |
| __ 5 _____ __,. __ _ HED NO.: DS -2\ DATE: ,3/o,hr VALIDA TED BY: -----------
| |
| a) HED TITLE: /I rEw /Pt77"'1A' fl s:Et:~c-rc;~
| |
| COIVrlf'OL S NAt/E b) ITEMS JNVDLVED:
| |
| DISC1$._~E THurfB RoTAlf't' COJ!1.rrlfo~3 OA/ SNuTOt,'<JN PANEt., : **Mc v-Fw-~61 O * ;v,ov-Fw-~5, S
| |
| * l'-f" \I -FW -;251 F * .;1 ... C H-.P-.tC. . * ;t-CH-t°-~
| |
| D c) PROBLEM DESCR1PTJON AND 0700 PARA. NUMBER: (li,;,1.fl.( 5 d 1) /'O/IVrE#'e l'l1VD/t:,.Tr'Dl'V5 A~E' Nl'OOEN '5f t::>A'AAJG-E
| |
| / Putf Pte 'r/1/~E
| |
| * d) DAT A COLLECTION DESCRIPTION AND CODE NJMBE:R: CoA/7/folS T/'-~/, t::JB5E~I/A'T'4!f1A,,,1 e) SP£CFIC t-1.JMAN ERROR.(1):
| |
| f'~;t!C,N(o Ce11v,lfOI-
| |
| ~N wltoAJ(';
| |
| l°oS ,r~t,AJ e>.te /11/S/,lf/
| |
| TElfP~E TAT/~N .OF P/"iES~IVT CDNTl't"I.
| |
| l"'o~,r~O"-'*
| |
| 99 .. 1
| |
| * -~ l _ -l Me~ l9D HC.D REPORT (CONTJNLJEO)
| |
| -* Sv~J:17'.~r .s,vvroo..,,., I-ED ND., t)S-9-l PL.ANT UNIT f) SUGGESTED BA.CKF"JT:
| |
| (~ d Q .... lf'~H"Y~ n91°E AS NECG'SS/11.A' y re EXPt:1.SE SuNTCH ;t-~o~ l°t'JNvTE,tS.
| |
| * * ** ' . ' , . . VJRCINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION HED NO. l) s --1 1 , .2 OA O _ r J 95 ST AT ION /UN IT ____ s __
| |
| * _v<._V"_r'_y.,.__U_r_1
| |
| _; _1 _s __ (_l ..... * -"'2 _____ _ MARK NO. ITEM DESCR_I_P_T-IO_N
| |
| __ /J_LA_K_i_/i-./l-r_,V_.._,_(_t_&/l._f-_/_::,_v_J_1"----f-o-,-,-E'-(-k 4 ~"J CHANCE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS) 0 rJ C D / o v-C o/ e I r, . ,2 (' c o j(J ,. r e W I/ COMMENTS:
| |
| -------------------------
| |
| ORIGINATOR
| |
| __ 'i3_. __ F._._H_; _I / ____ DATE REVIEWED __ 1_--_q ..... -____ 'F_5 __ _ I I
| |
| * 1
| |
| * *
| |
| * GUIDELINE 6.6.6.1 NEED FOR LOCATION AIDS Operator performance can be enhanced through the use of location aids such as demarcation, color, and mimics. GUIDELINE 6.6.6.2 DEMARCATION
| |
| : a. USE-Lines of demarcation can be used to: (1) Enclose functionally related displays.
| |
| (2) Enclose functionally related controls.
| |
| (3) Group related controls and displays.
| |
| : b. CONTRAST-Lines of demarcation should be visually distinctive from the panel background . c. PERMANENCE-Lines of. demarcation should be permanently attached.
| |
| GUIDELINE 6.6.6.3 COLOR Color should be dedicated to specific functions or conditions throughout the control room in order for-the code to elicit the expected operator response.
| |
| The color coding scheme should be used consistently throughout the control room. Refer to Guideline 6.5.1.6 for specific recommendations on the use of color . 6.6-24
| |
| * LABELS AND LOCATION AIDS 6.6 LOCATION AIDS 6.6.6 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment COMPLIANCE CHECKLIST N/A Yes No Reference/Comment COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| .. _,_,_ /
| |
| 2'-4" *:"/;,.'~?'.~(-:**~/tt\'
| |
| :*.J~\'.;:*, .;* 5 3/4" I* 5 1/2" I 5 1/r I 5 1/2' 1 5 3/4' * (i<',;:*,., c ... _. I I Ni LJI LJ LJ if;:;ffk ... ., w [:] LI LI LI fr~*-: . Pl Pl I r~>.
| |
| * 72 1s 11 11 11 r ::t :>.,..~ "* J~ .. 1
| |
| .,:;!t~t(c'tJk:
| |
| ~:'till,~
| |
| Wj.~i.~ _i ** "if~,.r,:<:o, , **~ tr!~.::~.'*
| |
| G;_J I u LiJ
| |
| * n I D [!j [!j I f!J f!j I CS I CS CS 798 : 79C 79D
| |
| * sm:a:~ QsoA QBOE / Qaoo ~L!j OD QB3A 090 ~0 FcA w E!J c::::im::::J
| |
| @] ~-Qaor Q539*. L;_J *::~\. t?JI~ I I l----~----l=R:--~:zzzzzq I I . : 1:s!l 1:~11:;~1:
| |
| 1::11:!11::;
| |
| I. . .,~ t' ..* ~: __ :~. ... .. .. ,; *',. ~-.. Li----,--~~~;;;;J
| |
| * .. _ ..... . :: __ ,. c_o. ---~-----I I . I I I.* 1 ) . : ,:,.:J.*.:*
| |
| .. : .. I r. ,*.* /;f~<-*:'.
| |
| ;; I I : I 'f({\i L 1 1 1 , :::,:t~tj -v ' 125**~ .,---....... . .. ........ . I .. .. .. .. *-. -:-* ::----~~-. '-:f,:r:='"."~
| |
| fi!, 12:. HJ Fo ON L '/ p~, oi:-'P C. se, &2.b:.. z...-G"-41.01
| |
| * **
| |
| * I 'al I ln i\'. 10* * .. " ,.., :,, iT . ~:~-I T _l AUX SHUTDOWN PANEL ,.., '~-. ' ..... ** ". 1. CHARACTER HEIGHT=0.75", CHARACTER
| |
| ~~TH=0.5", STROKE WIDTH=0.125".
| |
| Yi TYPE "s-JVi PANEL IDENTIFICATION
| |
| _l_l* . 3" .... , 1/8" .---------~_[_ . 3/32" FIELD 1 { TD AUX FW PP ~1/16" FIELD 2 { SOV,-MS2028 DC2-2 Cl(T7 .. 19/32" T FIELD 4
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| * 1. FIELD 1: CHARACTER HEIGHT=l/8", CHARACTER WIDTH=S/64", STROKE WIDTH=0.020". . 2. FIELD 2: CHARACTER HEIGHT=3/16", CHARACTER WIDTH=l/8", STROKE WIDTH=0.040".
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| * 3. FIELD 4: CHARACTER HEIGHT=0.080", CHARACTER WIDTH=0.050", STROKE WIDTH=0.015".
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| TYPE "S-1 "; CONTROL DEVICE _l_l-*---3"--~
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| .. , 3/32" " _[ ~/B 3/32" I pp DISCH PRESS 13 = f 5/1s" T~--------'
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| l:v CHARACTER HEIGHT=0.1250", CHARACTER WIDTH=5/64", STROKE WIDTH=0.020".
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| TYPE "S-2"; CONTROL DEVICE GENERAL NOTES: 1. CHARACTER WIDTH SHALL BE MINIMUM 3/5 OF THE HEIGHT. 2. CHARACTER SPACING: ONE STROKE WIDTH. 3. WORD SPACING: ONE CHARACTER WIDTH. 4. LETTERING FONT: FIELD 2-FOUR LINE HELVETICA, ENGINEERING GOTHIC. 5. FOR FURTHER DETAIL, REFER TO VIRGINIA POWER STD-GN-0036.
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| NON SAFETY RELATED SWEC 14937.70 DC-88-26-2 .--~------~~--.r--~-r------------lvl 3 2 FULL SCALE SKETCH -SH.1 NAMEPLATE STYLES FOR AUX SHUTDOWN PANEL SURRY POWER STATION 0 APPROVED FOR CONSTRUCTION UNIT NO. 2 "",ss,.,c=,,..,._or_o_c_-s=r:=~=-:TI=-;;,____----"=~="--"-'-==--+----VI-R_GI_N_IA_PO_WE_R
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| ___ S_TONE & *WEBSTER ENGINEERING COR~. DWG. -----------------*-----*-
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| ------BOSTON, MASS NO. S8826-2-E-905 REV .. ***-------*
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| ----. -----DESIGNED BY _____ DRA\liN BYD.TITUS DSGN CHK'D BY CHK'D BY ______ J ,* ***-**., r ,*~ , , ,( .,:*-~*,.
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| 'fr*""*'<
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| ~;.*,,--_. , .-. ,*:,,, ... ; . .r
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| * *
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| * Il.9 CORRECTIVE ACTION EVALUATION CANO.: 9E CA DESCRIPTION:
| |
| Provide pressurizer spray valve position indication w/ red/green lights. EQUIPMENT MARK NO. 1-RC-PCV-1455A,B 1-RC-PCV-2455A,B Il.9.1 BED REVIEW -ORIGINAL FINDINGS HEDNO. 20A02045 22A03206 HED No. 20A02045 -Required displays and indications missing from Control Room. (NUREG-0700, Sections 6.1.1.1.a, 6.5.1.1.b,e, and 6.5.4.1.g.
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| HED No. 22A03206 -Lack of feedback indicating process/direction of parameter change. (NUREG-0700, Section 6.9.3.1.c.2)
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| As identified during the original CRDR display surveys and through operator interviews, pressurizer spray valve position is not available in the control room. At present, the sole operator aid to determine spray valve position is implied by the output signal meter provided on each pressurizer pressure auto-manual control station. One potential cause of a low (or high) pressurizer pressure condition can be* attributed to a failure of either spray valve to respond to the pressurizer pressure control system demand signal. Since the control system does not provide feedback of actual valve position, there is no definitive manner to determine which valve has failed. The indicating lights being added by DC-88-29/30 will provide positive indication for the operator to determine a failed valve and enhance op~r response in initiating appropriate corrective action . DC-88-29/30 was not implemented.
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| Il.9.2 BED REASSESSMENT
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| -PROCEDURES/PROGRAMS REVIEW EOPs lxlYES DNO DN/A The pressurizer spray valves are operated and verified closed in several EOPs including l-E-0, l-E-3, 1-ES-1.2.
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| EPIPs DYES D NO Iii N/A Pressurizer spray valves are not used in performing EPIPs. AP,P. R DYES lxiNO ON/A Pressurizer spray valves are not Appendix R safe shutdown components.
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| ERF/SPDS DYES lxiNO DNtA Pressurizer spray valve position is not required in ERF or on SPDS. VARS01B.B7S-l RG-1.97 DYES IXINO DN/A Pressurizer spray valve position indication is not a RG-1.97 variable.
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| LERs/IOERs DYES lxiNO DN/A No LERs were found concerning the pressurizer spray valve operation or position indication.
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| HPES/STA DEV/SOER DYES lxlNO DNtA No station deviations/SOERs were found pertaining to the operation of the pressurizer spray valves. TECH SPEC ITEM Ix! YES D NO D NIA The operability of the pressurizer spray valves are defined in TS 3.1.A.3.a.
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| * *
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| * Il.9.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE i The pressurizer spray valves are used for RCS pressure control. The spray valves are operated and verified closed in several EOPs including l-E-0, 1-E-3 and 1-ES-1.2.
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| The valves are controlled from manual-auto control stations on benchboard 1-1 and respond to the pressurizer pressure control system demand signal. The original HEDs identified that the pressurizer spray valve control stations do not include position indication.
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| This reduces the ability of the operator to determine if a valve has failed. The failure (open) of a pressurizer spray valve may result in a decrease in reactor coolant system pressure.
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| During plant conditions, when RCS pressure is decreasing, by procedure, the operators through a process of elimination identify the cause of decreasing pressure.
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| This includes verifying spray valve controller demand is zero, monitoring the rate of RCS pressure decrease, observing pressurizer spray valve temperature indication (TI-1451, 1452), verifying containment status and confirming pressurizer PORVs/block valve status. Once the decrease in RCS pressure is determined to be caused by a failed open pressurizer spray valve, RCPs A & Care selectively secured. Safety Significance Potential for Error Consequences of Error -The pressurizer spray valves are safety related for RCS system pressure boundary and designated non-safety related with special regulatory significance for pressure control. The valve actuators are non-safety related. The pressurizer spray valves are not required to function to mitigate the consequences of accidents.
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| The potential for error with no pressurizer spray valve position indication is increased based on the operator's ability to determine plant status and perform required actions. However, the addition of red/green position indicating lights would not provide additional information to the operator in the event the valve failed in mid position, as both indicating lights would be illuminated.
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| No station deviations were found concerning the operation of the pressurizer spray valves. In addition, the procedures and corrective actions described above reduce the potential for error. The consequences of error due to the pressurizer spray valves not having position indication would be a delay in operator response.
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| The corrective actions taken by the operators during the conditions of a failed pressurizer spray valve ensures no risk of injury to the public/plant personnel or damage to equipment.
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| Il.
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| | |
| ==9.4 CONCLUSION==
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| S/RECOMMENDATIONS Based on the above discussions, sufficient infonnation is presented to justify not implementing CA9E. The EOPs direct the operators to perform specific tasks and take appropriate corrective action to a pressurizer spray valve failure to recover from plant conditions and ensure that there is no risk of injury to the public/plant personnel.
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| In addition, the Surry simulator has the capability to override the pressurizer spray valve hand controller and simulate valve failure. This provides the operators with specific training in the response to the plant conditions described above. The reassessment process for this corrective action included a qualitative analysis to determine if the benefit of the proposed corrective action was commensurate with the total projected cost of the modification.
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| Based on this evaluation, it has been determined that there is no appreciable benefit to the improvement of plant safety, operations or human engineering principles, which justifies the projected high cost of the modification . V ARS01B.B7S-l
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| ** *
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| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS I EOPs/EPIPs . I ERF/SPDS IQ-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
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| CORRESPONDENCE CHECKLIST D D I D D I I D D D D D D
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| *-* SURRY UNIT 0 CODE A TITLE 20A0.2eo4S REIMrtED DISP'..AYS AND INDICATIONS ARE ,.ISSI"6 FRO!! CR, tt.-eRROR: D8.AY /ERROR lh CP. RESP0NS£.
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| -tH PROBI-EI!
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| DESCRl?TION:
| |
| 88/23/85 HOHD I A~. ,.., 0 ~:,::;:.--* .,, L, '-*-. ASSES&E~ T LAST REYIEw flESP()cSlBILITY STATUS DATE I -1 87/11/85 VISIA DISPLAY /JNDICSITir,.i NECESSARY TD f!EET TASK R@i.lIRBENTS NJT PRESENT IN CR. 87N PARASRAP!-1 NUJllliER:
| |
| fi,1,1,1,A Ei.5.1.1.l!
| |
| 6,5,1,1,E 6.5.4.1.6 S!JSSESTED BAC~F;i: PRL!Vl~ CR ~lih Y!SuA.. DIS?i.AV/l~DICATION LISTED, fff D!SPCISITIOt.: . / wCU"i:.t,;TaJ lr.-v.:,._vli.3 fll..:i Dt-PilESS WE TO Cf lNillC Li W STATuS. PROVIDE POS flNAi.Cl6 W POSli lliDIC. e-100r;. DATA COi.:..ECTli:,S DESCRIPTI~
| |
| AhD CODE fUUEk: T?-5. l Dl~I.AYS &,iii\l:Y TP-9.2 \IERlFICATIOH 11iD ~IDATit'J,1 REIIIA~S:
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| Pl-e77-SS.
| |
| <SEE Pl~ 1~~3ai&ll.
| |
| ITEP.S I!WO..~: MR-< ~R LOCATlO!I
| |
| ~tiii SYSTEII! PRZR SPRAY Y ff hl1T Ill lNY FILE * \ L.. '-1 c--~.:.......,...
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| _,. -::. . / ""l-c;, ...p Q_ /\ \ ,, .....:> *' i, I.*~ , 7 IHI/ r .... , ...
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| * * * ' . OISPL.AYS TP-5.l l May 1983 APPENDIX 89 / HUMAN ENGINEERING DISCREPANCY (HED) REPORT . 'SLJt:.1!..Y
| |
| !uv,r~ I } J, PLANT UNIT ORIGINATOR:
| |
| LJ '-.r~,*;)
| |
| I;_ tJ. g.u HED ND.: p,--J 7 \ VALIDATED BY: . DATE: G.-,.,,..S_
| |
| ), 0 ' ' 2 t4. r . . * "J * . I ').* * . L . ...,. a) HED TITLE: __J_,-:. 1 ~..>,..*.,'-)-I'
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| .,A...,v;.. . --~-"'T J°:>J.>.-y1 A...,.,;, ; -, ... .Jo.
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| * i~/'e::+-v,,"i:: :,*}v--J...
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| r c.;:;tA..~\....c
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| /l ,-.--..~~
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| ,, I b) ITEMS INVDL VED: WJ....0...Jv..;.);
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| J..-:v-. *c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER: , ( c... K c,,f" .iTJ.-..a . c,,,-~ /.,._;:;,;
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| f"~~ .,vv-..J..,,_,,...w,i_,,j_,,J;
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| U c0~ b, ~-\.!. jj d) DAT A COLLECTION DESCRIPTION AND CODE NUMBER: &')J~u ci-J~ -! PS-._ I 13 ,~ (._~ ~) e) SPECinc HUMAN ERROR(s):
| |
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| * B9-l
| |
| * *
| |
| * f) SUGGESTED BACKFIT: DISPLAYS APPENDIX B9 HED REPORT (CONTINUED)
| |
| ;-\J(Z.f~.Y!utv,rr 1 $;) PLANT/UNIT TP-5.l l Mey 1983 HED ND.: p:r_/7._-7
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| g) REVIEW AND DISPOSITION:
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| B9-2
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| * I -'
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| * *
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| * 177 ANll-RCPOtwETRICS APPENDIX B9 HUMAN ENGINEERING DISCREPANCY (I-ED) REPORT b) ITEMS INVOLVED:
| |
| s ..u__ oJT~....,JJ
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| .).,~ . TP-1.2 l Mey 198)
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| . -7 .' : l*, .. * * * . cs ANTl-ROPOtCl'Rl
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| * TP-1.2 1 May 198:5 APPEND(~D) . P;;r:-::lO H ED REPORT I-ED N0.1 . I :,, s v ,z vL~~7~rr 89-2 \
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| ,: ----*. *--.. ~---------------
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| _________
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| * I
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| * *
| |
| * SJRRT UNIT 2 CODE A TITLE LACi< Cf FEEDBP.D<
| |
| !NDICATIN6 PROCESS/DIRECTI~
| |
| CF PARA!':ETER
| |
| [)RiSE, t.RROR: DELAY/ERi!ilR lN DP~ H* PROli'-DESCRIPTION:
| |
| eb/23/85 PASE S ASSESSIIENT LAST REVIEW ~IBILITV STATUS DATE *I -1 17/11/BS THE Ut:i B~ CTRL ACTIYATIOt.
| |
| I u..Tl~TE SYS STATE I Nl HIED FEEDBOCK lNDIC'.ATlNS PROCESS & DIRECT IF PA~ DtEE 070\1 PARAGRAPri
| |
| ~!'<: £.. 9, l.1, C;, E SU66ESTED BP.C~;Ii:
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| EN6I~ERI~
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| cYAl..~i HlN 1D l~l!i:1-T jMcJlIATE
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| ~ciDoACii 1D OPERAT()i(.
| |
| Ht D!SPOSiTiilll:
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| R::~cii 10 Pl-77-59 (cMat!MSJ.
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| DATA cow.ECTl£.iN IESCRiViiOW IN! CiliiE ~Ii: TP-9.E VERI~ICA~l~
| |
| AND Yll.IDHTlU"<
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| ITE~S It,\O_YEiJ:
| |
| ~R!<. NIJll!ir-n i..~TlOt.
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| ~r svsm1 H hOT lN lN\I ~li.E t ff NOT Iii IIN FILE
| |
| * SUBSYSTEM
| |
| )7i
| |
| * APPCNDl>:
| |
| B9 HUMAN CNGJNr:CRJNG OlSC'"REPANCV CHEO) REPORT . . oRJGlNATDR:
| |
| j , to wv:a.V\: t£D NO.: C -2..0 \'AL1DATCOEV: DATE: 3-£,-f>S a) t£0 TJTLEt \&Lt Q\ # P(1bei 't,_ . *, (\1 !C lf..D~ ,'fOC f.£.~ f di ye { Tict\ D{ pa va.ooe k A' chan~ll . . * *. . ** b) JTEMS INVOL V£D: . * , 'Pr z.r Sp'f (.I. 'i Va. Ive s-t>c.V :..1465 ill -t .E:> St!b( ::i.-~,J:M-~\I
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| \l~b . 1'.-w <p,lr:is -_l-1-C.'J
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| \=-1/J 155 A IB IC. *
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| * c) PROBLEM OCSCRIPTJON AND D700 PARA. NUMBER: b, Cf .. °3 , \ (., T,tYi:. \~ !.~l$1'5 beiw-e.e.J)
| |
| ~on-ho\ _Cl<!tuAtion a.J'\4 v.\11n,a-te-, ~s-tm sm+e., os\.d the.~e i5 no \N\~e~i~e.
| |
| {e2.:\\)CLC.L
| |
| \r1.ct1c.a*f1(l8 th..e pY-ole~ 6-\'\Cl cl\Yecnon
| |
| °t poJOJ,*iet.( U'\OJ"ie. . . .. .. d) DAT A CCLLECTION OCSCRJPTJON ANO COOC MJMBCR: e) SP£ClnC HUMAN £RR0Rr.s'):
| |
| B9-l
| |
| . )17 . . . APPENDIX B9
| |
| * HED REPORT (CONTINUED)
| |
| --Surrv1 _ 1. Hto No.: C!
| |
| * 2 D -----=PL;..:;.A:..;.,,NT;,..;:;/i/jN~JT,;=.----
| |
| f) SUGGESTED BACKf"IT:
| |
| : 9) RtVItW AND DlSPOSITJON: (I\ ?t'K -sr°' l Vo-.k Ls-RV-/1-S"5 4:t B /Pc..\/ -Z-465" t4:f B s_~e... 1>1.:-17-6~ (:J-o~ -~46) * ' ' = . . . ' . . ' I . I ~) .;(?A_ l 'r "'t Ji~ . Vo ( Ut -rt(. \/-1 rs~ / r.Jrr.:F2A
| |
| ~b n 1"1--~-, -\ -tl,.v~ n-77-Sb (z.o ,tu -ZO a S) l3) 1W1l:,1rc,_~ ;+c.. <;,e_ e_ J j;: -7°1 -,S 7{2CI :_ 'ZC'.:14-~)
| |
| ** B9-2
| |
| * * * '. . VIRGINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION STATION/UNIT Su. r r v {j~ ,* f .r I g 2. . I MARK No. Pc v -11ss A a : Pc r-.2*1s-r IJ J. l ) ITEM DESCRIPTION Pres.sin--
| |
| i r of' I'"' s pr~ V,z I u f ,L 0 I H1:.u NO. r ..L -i , -~. CHANCE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS:
| |
| Pr-ovide*
| |
| Vn~lo&. vol11e Pp,i1/o.,_
| |
| IQ,, frtD.S.!().Y;~~r COMMENTS:
| |
| --------------------------
| |
| ORICINATOR
| |
| __ t._ .. _F._. _H_;_f/_*
| |
| ___ DATE REVIEWED 7-IO -E1 b
| |
| ',. * -* * . CONTROL ROOM WORKSPACE
| |
| | |
| ===6.1 GUIDELINE===
| |
| | |
| 6.1.1.1 ACCESSIBILITY OF INSTRUMENTATION/
| |
| EQUIPMENT
| |
| : a. PRESENT IN THE CONTROL ROOM-Control room instrumentation and equipment should include all controls and displays needed for ( 1) detection of abnormal conditions, and (2) bringing the plant to a safe shutdown condition.
| |
| : b. ARRANGED TO FACILITATE Operators should not have to leave the primary operating area (see Exhibit 6.1*1) to attend to control room instrumentation on back panels during operational sequences in which tinuous monitoring or the timing of control actions may be critical.
| |
| BACK PANEL AREA N/A I Exhibit 6.1 *1. The primary operating area is physically arranged such that it can be visually accessed from a central point within that area. 6.1-1 GENERAL LAYOUT 6.1.1 COMPLIANCE CHECKLIST Yes No Reference/Comment
| |
| *. I I
| |
| .*. -., * *
| |
| * GUIDELINE 6.5.1.1 INFORMATION TO BE DISPLAYED
| |
| : a. TASK ANALYSIS-An*11Ysis of operator tasks in relation to system engineering and system functional objectives is recommended as the surest means of establishing operator mation requirements.
| |
| : b. COMPLETENESS OF INFORMATION-Visual displays provided in the control room should give operators all the information about system, status and parameter values that is needed to meet task requirements in normal, abnormal, and emergency situations.
| |
| : c. UNNECESSARY INFORMATION
| |
| -Efficient performance requires not only display of all needed information but also avoiding the display of extraneous information in the prime operating area. d. REDUNDANCY-Redundancy in the tatiqn of information items should be limited to cases* where needed for backup or to avoid excessive operator movement.
| |
| : e. DEMAND INFORMATION VERSUS STATUS INFORMATION-Demand information shows that equipment has been commanded (by control settings or otherwise) to a particular state or level. It shows only what is. demanded-not what is actually being realized,.
| |
| Status information shows the state or level actually in effect. ( 1) To prevent operator confusion, it is essential that displays be identified as to whether they reflect demand or actual ' status. (2) Visual display of actual system/equipment status shou Id be displayed for al I important parameters.
| |
| 6.5-1 VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6.5.1 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| *
| |
| * *
| |
| * 6.5.4.1 GENERAL CHARACTERISTICS OF GRAPHIC RECORDERS (Cont'd) f. EASE OF ROUTINE Recorder design should permit quick and easy replenishment of paper and lnk. g. USE-As a general rule, recorders should be. used to record trend information and material which may be needed for later reference.
| |
| : h. PLACEMENT OF RECORDERS-As devices which must be verified and attended by the operator, graphic recorders should in principle be located within the primary operating area rather than on back panels. i. PAPER-SPEED ADJUSTABILITY-Not only should high paper speed option be provided to run out records for detachment, but a selection of lower speeds should be available to permit adjustment of the
| |
| * time scale so that change information can be indicated.
| |
| : j. ANNOTATION-It should be conve_nient to annotate recordings with date and time markings, with paper speed if varied from normal, with parameter identification, or with any other relevant information.
| |
| : k. VISIBILITY-Recorder design should ensure that all data will be visible through the window of the recorder and not require open-door operation to expose it. 6.5-26 N/A VISUAL DISPLAYS 6.5 GRAPHIC RECORDERS
| |
| | |
| ====6.5.4 COMPLIANCE====
| |
| | |
| CHECKLIST Yes No Refentnce/Comment
| |
| : . I . I I .--~. i ! . . : * ... / I . *./ I
| |
| -** *
| |
| * CONTROL-DISPLAY INTEGRATION
| |
| | |
| ===6.9 DYNAMIC===
| |
| CONTROL-DISPLAY RELATIONSHIPS
| |
| | |
| ====6.9.3 GUIDELINE====
| |
| | |
| 6.9.3.1 GENERAL MOVEMENT RELATIONSHIPS Y;*ic response of a display to control movements
| |
| ;,i'1,,::id be consistent, predictable, and compatible with the operator's expectations.
| |
| The following principles apply to general movement relationships.
| |
| : a. ROTARY CONTROLS-Rotary controls should turn clockwise to cause an increase in parameter value. The associated display movements should be as follows: ( 1) Linear scales, up or to the right. (2) Digital displays, increasing in value. (3) Strings of indicator lights, bottom-to-top or lefMo-right.
| |
| (4) Circular meter pointers, clockwise.
| |
| : b. LINEAR CONTROLS-Linear controls should move up or to the right to cause an increase in parameter value. The associated display relationships should be: (1) Linear scales, up or to the right. (2) Digital displays, increasing in value. (3) Strings of indicator lights, bottom-to-top or left-to-right.
| |
| : c. DISPLAY RESPONSE TIME LAG-In some cases there will be a time lag between the actuation of a control and the resulting change in system condition.
| |
| That condition should be reflected by displays in real time. ( 1) There should be no time lag between system condition change and display indication.
| |
| (2) When there is a time lag between control actuation and ultimate system state, there should be an immediate feedback cation of the process and direction of parameter change . 6.9-12 COMPLIANCE CHECKLIST . :..:_ _,,.. .:_,;
| |
| * *** .-_i::,, .. *
| |
| * NUMBER PROCEDURE TITLE REVISION 7 l-E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 14 of 21 STEP ACTION/EXPECTED RESPONSE ,..._~~--RESPONSE NOT OBTAINED....-~~~~~~--
| |
| : 21. CHECK PRZR PORVs AND SPRAY VALVES: a) PRZR PORVs -CLOSED a) IF PRZR pressure*
| |
| less than 2335 psig, THEN manually close PORVs. b) PRZR spray controls -DEMAND AT ZERO .. -..........
| |
| -IF any valve can NOT be closed, THEN manually close associated block valve. I!'. block valve can NOT be closed,~ GO TO l-E-1, LOSS OF REACTOR OR SECONDARY COOLANT. b) IF PRZR pressure less than 2235 psig, THEN' manually close valves . IF valves can NOT be closed, .Ilifili stop RCP supplying failed spray valve:
| |
| * A RCP for l-RC-PCV-1455A
| |
| * C RCP for l-RC-PCV-145SB
| |
| ........ ***-********
| |
| ***-* ............ .
| |
| NlHBER PRfXEIXJRE TITLE REVISION EP-1. 00 REACTOR TRIP/SAFETY INJECTION 1.03 p R ~>J , ov£ Is.SUE: EoP PAGE -9 of 15 STEP ACTION/EXPECTED RESPONSE ...... ~~---f RESPONSE NOT OBTAINED..,...~~~~~~-
| |
| ..............
| |
| *---**.*. 19 CHECK PRZR PORVs AND SPRAY VALVES: a) PORVs -CLOSED b) PRZR spray valves -CLOSED a) IF PRZR pressure less than 2335 psig, THEN manually close PORVs. IF any valve can NOT be closed, THEN manually, close its block valves. IF block valves can NOT be closed, THEN GO TO EP-2.00, LOSS OF REACTOR OR SECONDARY COOLANT, STEP 1 *. b) IF PRZR pressure less than 2260 psig, THEN manually close valves. IF valves can NOT be closed, THEN stop RCP(s) supplying failed spray valve(s).
| |
| NOTE: Seal injection flow should be maintained to all RCPs. 20 CHECK IF RCPs SHOULD BE STOPPED: a) CHG/SI pumps -AT LEAST ONE RUNNING b) RCS subcooling
| |
| -LESS THAN 25 (70] op c) Stop all RCPs d) RCS pressure -LESS THAN 1575 PSIG e) Close miniflow recirc PREVio us -a) Do NOT stop RCPs. GO TO Step 21. b) Do NOT stop RCPs. GO TO Step 21. d) GO TO Step 21.
| |
| . * *
| |
| * NUMBER PROCEDURE TITLE REVISION 6 l-E-3 STEAM GENERATOR TUBE RUPTURE PAGE 15 of32 STEP ACTION/EXPECTED RESPONSE i---~~--4 RESPONSE NOT OBTAINED.,__~~~~~~--.
| |
| : 18. __ DEPRESSURIZE RCS TO MINIMIZE BREAK FLO'W AND REFILL PRZR: a) Normal PRZR spray -AVAIIABLE b) Spray PRZR with maximum available spray until PJ:ri of the following satisfied:
| |
| * PRZR level -GREATER THAN 731 [651]
| |
| * RCS subcooling based on CETCs -LESS THAN 3o*F [85~F]
| |
| * BOTH of the following exist: 1) RCS pressure -LESS THAN RUPTURED SG(s) PRESSURE 2) PRZR level -GREATER THAN 111 [421] c) Close PRZR normal spray valves d) GO TO Step 21. Observe CAUTION prior to Step 21 a) GO TO Step 19. Observe CAUTION prior to Step 19. c) Stop RCP(s) supplying failed open spray valves:
| |
| * A RCP for 1-RC-PCV-1455A
| |
| * C RCP for l-RC-PCV-1455B
| |
| --NUMBER PROCEDURE TITLE REVISION 6 1-ES-l. 2 POST LOCA COOLDOWN AND DEPRESSURIZATION PAGE 13 of 23 -----* --_______________ , _____ _ STEP ACTION/EXPECTED RESPONSE .._..~~--RESPONSE NOT OBTAINED i--~~~~~~--.
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION:
| |
| * If all RCP seal cooling had been previously lost, the affected RCP(s) should NOT be started without prior status evaluation.
| |
| * On natural circulation, RTD bypass temperatures and associated interlocks will be inaccurate, -* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * NOTE: RCPs should be run in the following order of priority to provide PRZR spray: C, A. 19. CHECK RCP STATUS:
| |
| * a) RCPs -AT LEAST -ONE RUNNING* a) Do the following:
| |
| * b) Stop all but one RCP c) Close spray valve(s) on stopped RCPs d) GO TO Step 21 1) 2) 3) Establish conditions for starting an RCP IAW l-OP-5.2.1, STARTING ANY RCP. IF conditions can be established, ~-start one RCP AND GO TO Step 21. lI an RCP can NOT* be started, THEN GO TO Step 20.
| |
| * PROGRAM HPT21516 COMPONENT ID. PC-1444C/R PC-14440/R PC-1445A/R PC-1455A/R PC-1456A/R PC-1456C/R PC-1457A/R PC-1457C/R PC-1458/R
| |
| -472/R PCV-RC-1455A CV-RC-1455B PCV-RC-4 PCV-RC-1456 PCV-RC-1473 PCV-RC-455A PCV-RC-14558 PCV-RC-1456 PCV-RC-1473 PI-1402 PI-1402-1 PI-1404 PI-1405 PI-1444A PI-1445 PI-1458 PI-14588 PI-1472 PM-1402 PM-1403 'PH-1444 PH-1444G Pl1-1444H PH-l444J PH-1444K Ptl-1445 PM-1451A PH-1455 ;PH-1455A QA CAT SR SR SR SR SR SR SR SR SR il'IPTS ID. 01-RC -PCR -1444C 01-RC -PCR -1444D 01-RC -PCR -1445A 01-RC -PCR -1455A 01-RC -PCR -1456A 01-RC -PCR -1456C 01-RC -PCR -1457A 01-RC -PCR -1457C 01-RC -PCR -1458 NSQ 01-RC -PC -SR 0 -RC -PCV -11i55A SR 01-RC -PCV -145 B 01-RC -PCV -1455C SR 01-RC -PCV -1456 -C ;ecy -~ ... 01-RC -PCV0-1455A 01-RC -PCV0-1455B C SR 01-RC -PCV0-1456 SR 01-RC -PCV0-1473 SR 01-RC -PI -1402 SR 01-RC -PI -14021 SR 01-RC -PI -1404 SR 01-RC -PI -1405 SR 01-RC -PI -1444A NSQ 01-RC -PI -1445 NSQ 01-RC -PI -1458 SR 01-RC -PI -14588 NSQ 01-RC -PI -1472 SR 01-RC -PH -1402 SR 01-RC -PH -1403 SR 01-RC -PH -1444 SR 01-RC -PH -14446 SR D1-RC -PH -l444H SR 01-RC -PH -1444J SR 01-RC -PH -l444K SR DI-RC -PH -1445 SR DI-RC -PH -t45IA SR DI-RC -PH -1455 SR 01-RC -PH -1455A . .. ;
| |
| * Q-LIST
| |
| | |
| ==SUMMARY==
| |
| REPORT STATION: SURRY PONER STATION 03/31/92 17:oz PAGE 238 VERIFIED COMP QA CATEGORY COMP QA CATEGORY COMP QA CATEGORY FUNC DEFINITION FUNC DEFINITION FUNC DEFINITION REFERENCE NOMENCLATURE 1 1 2 2 3 3 DRAHING INPUT MODULE, CONTROLLER CNVT 5.1.4.A 5965034 INPUT MODULE CNVT 5.1.4.A 5965034 INPUT MODULE . CNVT 5.1,4,A 5965D34 INPUT MODULE, I/V CNVT 5.1.4,A 5965D35 INPUT MODULE, I/V CNVT 5,1,4,A 5965D35 INPUT MODULE, I/V CtlVT 5, 1,4.A 5965D35 INPUT MODULE, I/V CNVT 5.1.4.A 5965036 INPUT MODULE, I/V CNVT 5.1.4.A 5965D36 INPUT MODULE CNVT 5.1.4.A 5965D34 ODULE, I/V CNVT 5965D51 VALVE, PRESSURE CONTROL RCPB 5.1.1.H 11448-FM-86B VALVE, PRESSURE CONTROL RCPB 5. *" 11448-FH-86B S1 VALVE, PRESSURE CONTROL RCPB 5,1.1.A 11448-FH-86B VALVE, PRESSURE CONTROL RCPB 5.1.1.A 11448-FH-86B VALVEz PB~~~YBE_
| |
| oNTRoL YPB 5.1.3.H ll448-FH-86B OPERATOR, DIAPHRAGM VLVC 5. 11448-FH-86B RATOR, DIAPHRAGM
| |
| .1.1.A 11448-FH-868 OPERATOR, DIAP VLVC 5. ll448-FH-86B OPERATOR, DIAPHRAGM VLVC 5.1. LA 11448-FH-86B OPERATOR, DIAPHRAGM VLVC 5.1.2,H 11448-FH-86B INDICATOR, PRESSURE INDI 5, 1,4.8 5965D41 INDICATOR, PRESSURE INDI 5.1.4.B 5965D41 INDICATOR, PRESSURE INDI 5.4 RCPB 5.1.1.A 11448-FH-86A INDICATOR, PRESSURE RCPB 5. f.1.A INDI 5.4 11448-FH-86A SZ INDICATOR, PRESSURE MESI 5.1.4 IND! 5.4 5965034 INDICATOR, PRESSURE tlESI 5.1.4 INDI 5.4 5965D34 INDICATOR, PRESSURE MESI .5.1.4 INDX .5,4 5965D34 INDICATOR, PRESSURE MESI 5, 1.4 . INDI .5,4 5965D34 INDICATOR, PRESSURE INDI 5.2.3 5965051 ISOLATOR, SIGNAL EISO 5.1.4.A 5965041 ISOLATOR, SIGNAL EISO 5.1.4.A 5965D41 ISOLATOR, SIGNAL EISO 5.1.4 5965D34 SUMMATOR, SIGNAL SUHH 5, 1.4 5965034 SUMMATOR, SIGNAL SUMH 5.1 .4 5965D34 SUMHATOR, SIGNAL SUMH 5.1.4 5965D34 SUMHATOR, SIGNAL SUMH 5. 1 ,4 5965D34 SUMHATOR, SIGNAL SUMH 5.1.4 5965034 CONTROLLER, LEAD LAG CTRL .5. t .4.A 5965D36 ISOLATOR, SIGNAL IEISO 5.1.4.A 5965D45 CONTROLLER, LEAD LAG CTRL 5.1,4.A 5965D35
| |
| * ASSOCIATED COMPONENT ID 01-RC -PC -1444C 01-RC -PC -1444D 01-RC -PC -1445A 01-RC -PC -1455A 01-RC -PC -1456A 01-RC -PC -1456C 01-RC -PC -1457A 01-RC -PT -1457 01-RC -PC -1458 01-RC -PC -1472 01-RC -E -2 01-RC -E -2 01-RC -PCV -1456 01-RC -PCV -l455C 01-RC -HCV -1550 01-RC -PCV -1455A 01-RC -PCV -1455B 01-RC -PCV -1455C 01-RC -PCV -1456 01-RC -PCV -1473 01-RC -PT -1402 OI-RC -PT -00065 01-RC -PT -1449 01-RC -PT -1444 DZ-RC -PT -14445 01-RC -PT -14588 01-RC -PT -1458B 01-RC -PT -1472 01-RC -PT -00065 01-RC -PC -14038 01-RC -PH -1444J 01-RC -PCV -1455A D1-RC -PCV -1455B DI-RC -PC -1445A OI-RC -PC -l457C 01-RC -PC -1455A 01-RC -PC -1455C
| |
| * *
| |
| * 11.10 CORRECTIVE ACTION EVALUATION CA NO.: lOE CA DESCRIPI'ION:
| |
| Perform study of annunciator alarms. EQUIPMENT MARK NO. Multiple BED NO. (See II.10.1) 11.10.1 BED REVIEW -ORIGINAL FINDINGS HEDNos. 20002120 20002121 20002122 20A02101 20A02102 20A02103 20A02106 20A02119 20A02125 20A02903 See Attachment
| |
| : 10. lA for individual HED titles 22A02906 22A02110
| |
| * 22A02111 22A02112 22A02114 22A02115 22A02116 22A02123 20A02302 20B03005
| |
| * 11.10.2 BED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS
| |
| ~VIEW EOPs mYES ONO ON/A Associated alarms are used in the EOPs, including l-E-0, 1-FR-C.1 EPIPs mYES ONO ON/A The loss of all main control board annunciator alarms and plant computer during a transient is classified as a site area emergency; without a transient, alert APP.R DYES IXI NO ON/A The control room alarm system is not an Appendix "R
| |
| * Safe Shutdown System ERF/SPDS DYES IXI NO D NIA The plant annunciator system is not part of ERF/SPDS V ARS01C.B7S-l RG-1.97 DYES mNo DN/A Alarms are not used for Control Room RG 1.97 Monitoring LERs/IOERs DYES IXI NO D NIA No LERs/lOERs were identified regarding the main control room alarm system HPES/STA DEV/SOER DYES IXINO DN/A Station deviation 1-90-0465 was found concerning the control room alarm system, however it was associated with the silence reset pushbutton on a local beat tracing panel in the aux. bldg. TECH SPEC ITEM DYES IXINO DN/A The plant annunciator system is not identified in the station technical specification
| |
| * *
| |
| * HEDNo . 20A02101 20A02106 22A02112 22A02114 22A02115 22A02116 20A02103 20A02119 _ 20002121 20002122 20A02125 20A02302 __ . 20A02903 20B03005 22A02110 22A02111 22A02123 22A02906 20002120 20A02102 V ARS01C.B7S-l ATTACHMENT 10.lA Description Annunciator tile engraving too small _ Annunciator tile legends ambiguous or too wordy Inadequate letter height on annunciators Inadequate width-to-height ratio on annunciator characters Inadequate spacing between annunciator tile lines Silence controls for annunciators Annunciator tile placement not consistent between the units Lack of tile grouping by system function No reflash capability on annunciator system Annunciator tile does not bum steadily when there is a flasher failure No auditory signal priority coding of annunciator alarms System/equipment status is inferred by indicator light being off No audible alarm cleared signal for annunciator system No silence function on annunciator response controls Number of tiles per annunciator light board exceed 50 Dual meaning tile legends No printout for multi-input annunciator Alarms for units sound alike No distinctive coding for extended duration of illumination during normal operations Annunciator tile illuminations indicate normal conditions.
| |
| * *
| |
| * 11.10.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE A Type II annunciator study was performed to evaluate nineteen HEDs identified by the CRDR Program, and determine a means of correcting the discrepancies.
| |
| The results of the Type II Study indicate that the replacement of the system would resolve the nineteen identified discrepancies and provide a more reliable, adaptable and maintainable system. Subsequent to the Type II Study, a cost benefit/analysis was prepared to explore alternate solutions.
| |
| The Type II Report provides justification for not performing modifications for the following HEDs as summarized below: 20002120 20A02102 22A02110 No distinctive coding for extended duration illumination during normal operation.
| |
| This HED is presently being corrected by station operations via Admin. Procedures.
| |
| Annunciator tile illuminations indicate normal conditions.
| |
| This HED has been addressed by station personnel via the EWR process. Number of tiles per annunciator light board exceed 50. NUREG-0700 did not exist when Surry's annunciator system was specified and manufactured.
| |
| However, with 64 tiles per light board, the intent of this HED to provide segregation of annunciators into groups is met. No additional action is required, only a complete annunciator replacement could resolve this HED. SEE ATTACHED PAGE, II.10.3 continued 11.
| |
| | |
| ==10.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the data provided and costs associated with the total replacement of the existing alarm system, it is more cost effective to enhance the existing alarm system. The proposed enhancements will improve operator interface by 1) annunciator tile replacements, relocation, and 2) addition of master silence . Recommend the following HEDs groups A-C to be corrected:
| |
| HED Group A 20A02101 20A02106 22A02112 22A02114 22A02115 Annunciator tile engraving too small Annunciator tile legends ambiguous or too wordy Inadequate letter height on annunciators Inadequate width-to-height ratio on annunciator characters Inadequate spacing between annunciator tile lines. The above five HEDs are closely related and can be discussed concurrently.
| |
| To resolve the above HEDs the annunciator tiles would need to be re-engraved to enlarge lettering that is too small, too ambiguous or too wordy. The re-engraving would provide adequate spacing between annunciator lines and correct engravings where height ratios were inadequate.
| |
| Where possible, all re-engravings would be completed under STD-GN-0036, titled, "Equipment Labeling and Tagging" which will provide consistency between tile engravings.
| |
| It should be noted that the study identified a problem with the physical size of the actual annunciator tile. According to the study, the existing tile size is too small to conform to the lettering guidelines as outlined in NUREG-0700.
| |
| However, the study did outline and detail a compromise which uses new letter heights and space dimensions and a standard set of annunciator acronyms.
| |
| SEE ATTACHED PAGE, 11.10.4 continued V ARS01C.B7S-1
| |
| * *
| |
| * ATTACHMENT 11.10.3 (continued) 11.10.3 NUREG-0700 REVIEW -TASK ANALYSIS/EOPs/SAFETY SIGNIFICANCE/FEASIBILITY WALKDOWN 20A02903 22A02302 20A02125 20002122 20002121 22A02111 22A02123 22A02906 V ARSOl C.B7S-l No audible alarm cleared signal for annunciator system. No additional action is required, this item has not . been identified by Operations as being a significant problem and the operators are trained not to rely on a "ringback" feature. During accident conditions, the additional audible tones could actually add confusion to the control room operators and delay corrective actions. System/equipment status is inferred by indicator light being off. Burned out alarm tile bulbs which would falsely indicate a normal status, have been addressed by the requirement that each oncoming operations shift conduct an annunciator lamp test at the beginning of the shift and replace all burned out bulbs at that time.
| |
| * No auditory signal priority coding of annunciator alarms. Although modifications could be made to add different tones between new alarms, cleared alarms and also different audible tones for establishing levels of alarm priority; the study questioned the value of this modification because the number of different audible tones could actually slow the operator's response time if there were too many sounds for the operator to differentiate.
| |
| _ This could actually create a new HED which would obviously be productive to this effort.* Therefore, no work will be required on this item. However, HED 22A02906 will address the audible tones between Units 1 and 2. Annunciator tile does not bum steadily when there is a flasher failure. This item has not been identified by operations or maintenance personnel as a problem area. Therefore, no work will be required on this item.
| |
| * Periodic and planned maintenance of the annunciator system will continue to detect .component failures.
| |
| No reflash capability on annunciator system. The present system design combines multiple field contact (parallel or series combinations) in remote field locations and sends a single input (either open or closed) via a two conductor cable to the annunciator input cabinet. Therefore, if reflash capability were to be added, each field contact must be routed individually to the annunciator input cabinet resulting in many new cable runs to the control room. This scenario would be applicable for either the existing system or for a new annunciator system. Also, included in Exhibit A6 of the subject study is a Multiple Alarm Input Analysis which studied all multiple input alarms and determined that the present system is designed such that no reflash feature is required.
| |
| This is due to the fact by design, that the control room operator normally has independent indication of the individual alarm input parameters in the control room. Dual meaning tile legends No printout for multi-input annunciator These two HED's both deal with annunciator tiles which have more than one possible meaning for the operator to discern. For example, the alarm which is engraved "BA TK lA HI-LO LVL" alerts the operator to a level problem in the boric acid tank. The operator now must ascertain if the level is either** high or low by checking the appropriate level indicator in the control room. This action has been and remains an acceptable solution in these situations.
| |
| For those instances where no indicators or system parameters are available for the operator to check, alarm response procedures are provided such that the operator will be able to determine which input may have caused the annunciator to alarm followed by sending an operator to the remote location to verify the problem and perform corrective action. Alarms for units sound alike Presently, both Unit 1 and Unit 2 main control board annunciator system provide an audible tone when in the alarmed condition making it difficult to ascertain which unit is in the alarm condition.
| |
| This could possibly create confusion between the operators and potentially slow the operators' response time. Based on discussions with Operations
| |
| & Simulator Support personnel, and one location of each unit's annunciator horn, it has been determined that confusion does not exist and operator response is not reduced.
| |
| * ** ** ATTACHMENT 11.10.4 (continued) 11.
| |
| | |
| ==10.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Proposed Solution -The annunciator tiles will be re-engraved which will significantly improve their visual characteristics.
| |
| HED Group B 20A02103 20A02119 Annunciator tile placement not consistent between the units Lack of tile grouping by system function The above two HED's both involve relocation of annunciator tiles and thus will be discussed together.
| |
| As indicated, a lack of consistency in regard to tile placement exists between the units which can lead to confusion and also an improvement could be made to relocate tiles closer to the systems for which they represent.
| |
| Proposed Solution -Relocate tiles accordingly.
| |
| Once an agreement is reached between Engineering and Operations as to the best tile relocation arrangement, the modification will require internal wiring changes to the annunciator logic cabinets as well as physically moving the annunciator tiles. No new cables will be required for this change. HED Group C 20B03005 No silence function on annunciator response controls Operators are unable to silence the alarm audible during transients.
| |
| The noise from a spurious alarm can cause confusion and distraction to an operator during transients.
| |
| Adding the silence feature will allow the alarm tile to continue to flash after the audible alarm has been silenced.
| |
| Proposed Solution -V ARS01C.B7S-l The existing annunciator system . will be modified to install a silence feature using hardware (audible driver card, speakers, etc) available from the original equipment manufacturer which is compatible with the operation/function of the existing annunciator system .
| |
| * ***
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D D D D D D D D D D
| |
| -/0 . It I~"::) -; :-~ '6 tll"1N EN6l~RIN5 DISCiE~Y fa:PORT 88/23/B5 PAS: 24 SURRY ~IT 8 CODE A TITLE ~1'!6 APHJNCIATOR TILE LESENDS MBISUOOS/TOO WORDY, ERROil: l'RY C&f.JSE DELAY/ERRORS l~ OPER~TOR Rc:S?ONSE, H+ PRO&..EM DESCRIPTIDh:
| |
| ~IATDR TlLE. L.EixkDS ~RE APIBltiAlJS TOO l<<JilDY. l!7lile PARASR/lP!i Nll!DER: 6.3.~.4.A . ASSESSP!eNT
| |
| ~1' REVIEW RESPDhSlB!LIT~
| |
| STATLS DATE II -5 15/28/85 SLJ,36£STEi)
| |
| BACl<Fli:
| |
| PERF!J~~ "1t., STuDY 70 ucTEil111lrc CuRRi:CT WORl>lN& FO!! liAPID/IUORATE CCW,RcHENSio,j OF TILE IIESSAGES.
| |
| RELABEL TILES DISPOSITI!ltl:
| |
| /DcFER, EVA..UATED AS wuoiS'!-cAS:
| |
| &:c~Rlu, ht~ TO LOOK ATEA Tli.E I.Ju>ER Dc.1AlLED STANDAilDIZATlllti/LJ,?SRADE PROO; , DATA CDU.£CTil:'1 DESCRIPTIOh Ali>> CODE ~II: TP-ti. l LA&:!.& AND LCICAl i£Jt,; AIDS Sll!IYCY T?-3,1 ~ICIATO~ SYSTEl!S REViE&I *REl'RRKS:
| |
| Pl-e85, SEE ~l-~120A0~1011:~l-B41~l~J:C-9122~l.
| |
| IID!S li-VCl""°:D:
| |
| f!A!li{ N!JIIIBER LOCi.Tlcr-llJIIIPONEfiT SYST91 -----------------------
| |
| ------------
| |
| Ann. Systl!II H NOT 1111 INV FIL! t f . -* *-177 LABELS LOCATION*
| |
| AIDS APPENDIX B9 TP-6.l 1 May 198:5 HUMAN ENGINEERING DISCREPANCY (HED) REPORT ---..ED NO.: P~-s:: rl~,*1,rir 04:8 C b) ITEMS INVOLVED:
| |
| ,.. c) PROBLEM DESCRIPTION AND 0700 PARAo NUMBER: d) DAT A COLLECTION DESCRIPTION AND CODE NUMBER: -7f-6-;./.8J(i) f (13). e) SPECIFIC HUMAN ERROR(&):. t...,'it ~lo-v ....VV.....--v ~l-~~o B9-l
| |
| '* 177 -* **
| |
| * LABELS~ LOCATION AIDS APPENDIX B9 HED REPORT (CONTINUED) s () e g '-I I V NI ffi , r ;,. PLANT UNIT 89-2 TP-6~1 l May 198) HED NO.: f.+ -rs-
| |
| ** HED PRIORITY RECORD I J HED *i;1t;; *"2..1 ¢~ ~-iS' 1. DOCUMENTED ERROR? Zo DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?. S. HIGH SAFETY IMPORTANCE NO . (PAM OR 1E)? . ,. ERROR POTENTIAL? , 2 LOW 5. CONSEQUENCE OF ERROR: 2 ltO / I
| |
| * YES YES *~~-L HIGH ' 6 --1_ HIGH C&'flDOtlT tit IIO ..
| |
| *
| |
| * 177 LABELS At-o LOCATION AIDS. APPENDIX B9 HUMAN ENGINEERING DISCREPANCY (HED) REPORT ' . . I . I b) ITEMS INVOL V ... ED: ~1*~ B9-l TP-6.l l May 198:S 177 -* -* '-'
| |
| * LABELS Al'O LOCATION AIDS APPENDIX B9 HED REPORT (CONTINUED) . TP-6.l l May 198) s u ,g R, vi \.)/vim I ¢ HED NO .. : P:Z-P: L/ PLANT UNIT B9-2
| |
| -,.. . *-* -**.*. .. ,.-u --**-.. . . a... * . ... _. . -* * * * ' li7 l MS)' l ~F.~ APPCNDJXB9 HUMAN tNGJNEERING DlSr.RCPANCV fHEO) REPORT PL..ANT /U"lJT ORJGJN~ TOR: ,) LDL RAN f£D NO.-: ---::.C;.;...~......l9L------
| |
| WAUDATCD~V:
| |
| ______________ . ____ __ DATE: 3-.£2-6$ a) Ha> TITLE, --------------I~:l..l\..:f?>~g,~M~S..i.....1..1'f0.,&,lR~\)_u;:i.\..Ll,,\, ..... C,~-$D~\)"-l;l\,)""-l,t)"-*..:..~~\
| |
| .... ,\..F.=.-,,_;
| |
| b) JTEtJIS INVOLVED:
| |
| * ANNU~\P\1DR
| |
| ~~~R.MS
| |
| * AU'f... \JEITT ~LA:RMS 1'ND \,\\ RN~ b~el.)S efr\.\)E.\sr
| |
| {<./aD tJ\C)~ c) PROBLEM DESCRIPTION AND D7DD PARA. NUMBER: (c,. "2. .i , '2.a,. ~N ~\)NC\~ "1Dlt . t-.. lA.'(( tJ.S 'R:>R. \)~ \1" ;* .AJ'( \Ja.sy -~lA'f<..MS
| |
| ~D \ls\ ~~b. e\f<l'gjjS Erf\J.)'aSf
| |
| ~~t). tJ\ON *~oo~') ~u: . . d) DAT A CCLLECTION DCSCRIPTION ANO CODE NUMBtR: C t>t-h M \l N \ C. r~tn D -\?-'2. * \* . , e) SP£Clnc KJMA.N ERROR'.al:
| |
| Co~~vS\D~
| |
| C>\JE-~ wr\\C\-\ S'tS,'av\
| |
| /c.o)..AP~arr
| |
| '*"LA~\J\
| |
| I~ SOL)~O\~C:t
| |
| ~. .,. ... -
| |
| . . * *177 * *
| |
| * APPENDIX B9 HEO RtPORT {CONTINUED) s ~t, ::{ -,(~~ PLA IT HEDND.: C-g i f) SUGGESTED BACKF'IT:
| |
| * C..~tJ~f:
| |
| TDNG ~"-'L\.16
| |
| ~Nl~(?,U IJq D\fr~~"T\
| |
| J:\"1 \t>N Or SD\) tJ Ds g) REVIEW AND OISPOSJTJON:
| |
| .\l&v i.
| |
| ~v ~Lr* 5e.e...-?I--*S (_ZD~-ZIDb ")
| |
| -*. 207 --* AMBIENT t<<>ISE APPENOIXB9 SAMPLE t-ED REPORT F'ORM Su,(({. v /v,.,,rs I "PLANT/~ TP-l.6 l May 1983 *-,tlO\ 10 (t0 -"-i. , , ORIGINATOR: I-ED NO.: Pl -.3 ~-VALIDATED BY:~ -DATE: -~ f/J !2t'"L/: a)~;~ lfti~"j~ *°'-~ e) SPECIF"IC HUMAN ERROR(a):
| |
| *. Yv-t'.,-1
| |
| ;~ ~? ~\h-*v ..>,A/''".H..D.~
| |
| O{'-t~s~~-. * . t._.:._f ....,1.J \'.-1 cJ.ML ~-~.,Ji,\
| |
| rt-~-f\: ,,.,;J.u1I_._
| |
| .. t.,.:W.-.\!~ 4 oJ~. B9-l 207 TP*l.6 ' AM3IENT K>ISE 1 May l9B) ~-APPENDIXB9 SAMPLE t£0 REPORT (CONTINUED)
| |
| Su* fY !uN17S / s..:i HE0 NO.: J'I-; !z PLANT/LNIT
| |
| * g) REVIEW AND DISPOSITION:
| |
| ""'\\\::-~
| |
| frivir\ t°"--h VV\ w*\ l\ b.t.,, '4.c.~l.uuc.l
| |
| ~.. __\ -l\,_ I il "'-'\ h ,/ \s "11\.t J._ r,.,J.J:1 U/w\ -"'"""° -r ri t ..,._., ' { 1-J *~ 1tlrtctJ.;
| |
| * \ \""-e,\ 14 '"' 6-'M\ ~"''' !._, ,s\v...~~ ~-'t5\~c::::.~~-~,~~~
| |
| ..
| |
| * B9-2
| |
| . . ' I . ** HED PRIORITY RECORD
| |
| * I HED ,, e;r;-3 s *1 . .....__________~
| |
| : 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?.
| |
| : 3. HIGH SAFETY IMPORTANCE
| |
| : 4. ERROR POTENTIAL?
| |
| : 6. CONSEQUENCE OF ERROR: -\~G~ t> .. CATEGORY I ND NO ND
| |
| < \\\ -YES YES 5 _!_ HIGH 5 -'-HIGH ND
| |
| * **
| |
| * 88/cl/85 !)AS£ 1S SuRRY ~IT e aiDt A ASSESSIEHT LAST REVlal l£D NO TITLE IIESPClcSIBILITY STATUS DATE ~,21~a D!STJNCT!'.'E CODINl3 FOil EXTE'ulED DuRATi1"1 lU.LlllllN l>URihc NOffll OP ENS II -5 S7/11/85 H.JMN ERROR: JnAY/ERROR lN CP RESPrJSE.
| |
| Ht PROBLEII DESCRIPTION:
| |
| AIKIN TILES DO NJT, li!VE DISTltelTIVE CODI NS FDR lliORWL [P, CP D¥NIT DISTJNSUJSH NlRML. EIERSOCY CONDITION S70e PARAS~ NtJMEtrt:
| |
| fi,3,3.c.F,1 S(S;ES'?'ED
| |
| &ACKFI1: E&T~:.!S~
| |
| ~ill. CC-.1i1Cl'..illl WAY If CiIDiN6 DR ~Rl'.ll'c Cf TILES N!ilCtl ARE TO iE 11.1.LMlNATED FOR EXTEHDED DIJRATIDI'\, Hf ul~lTIDh:
| |
| RcrtR TO Pl-115 (21H02l~) Pl-2 l2~10l) ~!ATOR STUDY. I)l;ITA CCUECTlQt.
| |
| DESCRIPT HIN CilDE ~ru iP...3,1 ~~lCi"TuR
| |
| ~YSTc~~ REYlE* ITE,.S INV&-\IED:
| |
| ~R,< tt.Jlllii~~
| |
| LOCRTi~ ~t,iT SYSTE!\ JWrtlH SYSTEfl ff f()T IN INV FILE t SUBSYSTal
| |
| ** ** APPENOJ>:
| |
| B9 HUMAN tNGJN[tRING DJSC'".RtPANCV lt-lED) REPORT
| |
| * 2 0 00-: Z 12..0
| |
| * fl . ORIGJN~TOR*:
| |
| J. ' J"'1 1"*' t* *' ----* _ ..... __ ,-<:.:::;..i....*1
| |
| *!i.-/"""""y...1,,)
| |
| ---VAUOATE03BV.i DAID 3 .. .. a) f£0TITL£, No Di>UMCtlhf_
| |
| Qna1i~ t,c fJJri'h~GS!dv ruua::h'tllA!
| |
| _ -i\\V,j\U~a;tiiiYv
| |
| {,iw,µJ.g OOllYIA? , . i . b) JT£MS INVOL VCO: ~fW\U~O..iD{
| |
| S~S~, c) PROBLEM OCSCRIPTJON AND D7DD PARA. NUMBER: £D. 3. ',. 2.:f(.\) f\nnL-ln~o:b\'
| |
| flE~ t\D*(\Ot Y)l\le. Q\St\~ve.
| |
| e.t4\f\C) b, f\b{t\'\CLL
| |
| ~\01\C)'\~
| |
| c~ucn -0:\Litp~errt
| |
| \'epa tr.I ~\o.ce l'\w.ITT), ~o.J\l'\Or61snn~v.1-sh nurrn:,1.I
| |
| ~'\-~e( ~~)Uj 'S\~t\tX\S. . . . . d) DATA CCLLECTJON DtSCfUPTION AND COOC NJMBtRi DbSQ{\Jo..k\~
| |
| \(=> 3. \ e) SP£CIF1C HUMAN CRRDR'.a'):
| |
| *** B9-1
| |
| *J .177 l Me)* 19B3 APPENDIX B9
| |
| * HtO RtPORl (CONTINUE:D)
| |
| S'ur~ 2 HE:O NO.: C-1 ( PLA/L.NJT f) SUGGESTED BACKF"IT:
| |
| ~5~~\,t 16" ()"' t>-~~'"\~\,c..\,...,~~
| |
| "'~;,) , .. ~\ C.o~, ..:~ ... < ...-o ,c\ ... \~ j.,,~ au~c.\...
| |
| ~\11.;.,,-u\-, .. ~' o. '('\* '-.. !* \ "~i 't. ... 1" 0. *: * -:, * . . g) REVIEW AND DISPOSJTJON:
| |
| ** *-~e_L. \'"1--~-(Jo~ IOG) . ** B9-2
| |
| * * * ~II EN61NEER1N6 DISCRECIANCY REPORT 88/23/85 PAGE 16 QJRRY IMIT e CODE R TITL.£ 29002121 HO REFU&I a¥>ABILITY l)j INtJNCIATOR SYSlB! ERROR: ERROR lN GlERATOR RESPLHiE..
| |
| fft PRO&.Efll DESCRIPTICJ.:
| |
| ASSESSIENT LAST REVIEW RE~IBILITY STATUS DATE ENS II -5 87/11/85 ~TS IJillH SHARED ~N.JNClRTOR Th.ES CAIHJT REF'i.ASti LIT Tll.£ IMTIL PREYillJS lrlll!U"6
| |
| ~IIIIIS tAS BEEN Ci.EARED 87M PARA6RAPI-!
| |
| IUIBER: D.3.1.a.c.a Sii3SESTED BACKFil: iNSTAu. fiE;:LASti Cl+lt!Bl:..
| |
| TIES OR lNlJIVIDUA....
| |
| UL.ES TO EAC~ ~Ni ALREADY ON 1111.l.Tl-INPUT
| |
| ~IATDR TILES. +tf DISP-:!S!TIOh:
| |
| REFER TO ~l-1!5 <2~ll'bl ..-1-2 (2Ml0.::l~i.)
| |
| ANN<.Y.i.:JRTOR STUDY, DATA 00..LECT!Cl'I DESC!UPT!O\
| |
| AIID CODE ~k: T~l.1 ANNtJNIClATuR SYSTc,.o REYlEW REJIRR-<S:
| |
| C-18 rr~ iNVO-VED:
| |
| LC'ICNTt~
| |
| ~chT '8Attt SYSiE~ SUBSYSTEl'I fNcA SYSTEPI .... NOT IN INV FILE**
| |
| I * * )17. . A'P?.CNDIX B9 HUMAN EN:;JNEERING DlSC:-AtPANCV fHED) RtPORT I ' 2 D bD -.:7..12 I X. ' J P~ANT /LHJT .. ORJGJNA. TOR= _ .... J .... _c_'l __ cc.;;;..;..h.;..'{
| |
| r,.;.u_"'-------
| |
| KD NO.i ____ fl_-__ \ __ t ___ _ v AUDATCOEVI.
| |
| __________
| |
| __;..~ ___ __ DATEI a) t£D TITLE, 1! C ,,, fl(:, '")." "\: ; t .. , ,". . '!"* *.. :' r I 1.-*:*.' ". ; . ... ...l.la..:........t.::..~i..l.....W..~~...i....;.,~-',,;.J.:;...,,:
| |
| ________________
| |
| _ b) ITEMS JNVOL YEO: ,!;, * ... .* --. I I .: I *., , . -c) PROBLEM OCSCRJPTJON AND D70D PARA. NUMBER: . . . . . ,,.. J-* \ , '\ t , *.** ,..,:. ..* ::......:-!
| |
| /' (\ r'\ 1\* ,.... 1 ,, ' * ,--::+ '*, *. I 'ti~.. C \-,r: '\ .' _.1 Q ( (\ \'\U f\/ \ I'"""'' ' : e.~ . ~* I \ I l~. *
| |
| * a' . '-; \ \-'v 1 1:. * * ..t V 11 \ I I ..) 1 * ":"' [.. \ II * \\ I * ... :,) IUI 8 \. ,* .,... , ** * * ; *, I r,( . \ * * \ -. f* * -P : * . * \' (., _\,\*\\ ~~::.:-.'_ll~
| |
| j \~~;1\qf\0.°'-
| |
| u.\\,\ \\;,, .. t!"(_*_ :*1 ""'(*..::. ,o I ,;* d) DAT A CO-LECTJON OCSCRJPTION ANO coot NUMBtR: , ... ,.~ . .;. ..
| |
| * Ito : I * . \ I 'l1 ' . \ '* ,._*,:i1*._.. i* *\..,,, --' . ... -I .. 1
| |
| * e) SP£ClnC HUMAN ERROR.'.sl:
| |
| ;__ ' t . -, * \ 9 *** : *. ~--1 : , ... , .. , . ** b" .* : ....
| |
| '177 APPENDIX 89 *
| |
| * HEO REPORT {CONTJNUED)
| |
| ,. PLANT/UNIT HEOND.: ---f) SUGGESTED BACKF"JT:
| |
| \ i , I ,. J: , ... ... ( ~-* i. \*~' *. *: i j ~; lot. * ' * -I , ... . .. .. . ._ ...{°(l" *"' I'.,,, , , **'' .... -... \ . -.. ..* .. r... . ; ;.,-., 1 re. *\\!*:1,/:('!
| |
| I;,::.._, :'-'-, \. ' I * *.. " ,
| |
| * 9) RtVJEW AND DISPOSITJON:
| |
| * ' -Se.-e; h-t]5 (JoM -ztex; ) .
| |
| * B9-2
| |
| * **
| |
| * 18/23/85 PASE 17 9.JRRY I.rm 0 CCII& A
| |
| * ASSESSIENT LAST REIIIEW TITLE ~IBILITY STATUS DATE 2'0e2l22 TILE 00:S NOT a.JR!. STEADILV 11£N Tt£RE IS FLASHER FAILURE. II -5 87/11/85 HJ!',AN ERt'!OR: ()) CANNiJT RESPCIND TO ~klll SliUATI~ fft PROBLE!I DESCRIPTIOh:
| |
| ~TILE.LT OOESNT_ I~lHATE I &tJilN STEA!llLY Wicti F~R FAIL.URE, Dk!SlrE INABIL.JTY TD DETERJlltE T.ILE kl~ 00T 87N PARAS~ ~fl: 6,3.~.a.D SUSlr-:iTED BAWil: I~TL .,,.,.._°"li iil'f~ ~~h.ITY TD lu.L ... lr.A1i AND .IIIJi(i.
| |
| STtAlilLY wlEN 1lLE JN r.EED OF REPAIR, fff Dl~!TlOh:
| |
| a:.:E:\ Tu PI-85 (~1~) m-c (~]01) Ahff.lt.ClAiOR STUDY. DATA CCil-LECTION DESCRIPTION Aid) COii MJlllilEk:
| |
| 7..,...3.
| |
| l AN1i .. 1toICiATUR S1STi:'!S i!ElllE.I,, ITE.~5 IIIW..ll"ED:
| |
| fllAK.'( NIJl!&E;i
| |
| :..C:iCA,lili
| |
| ~JNi:Hi SVST~ INtJN SYSTE~ HNOT lN JNV FILE* SUBSYSTEPI
| |
| / * * ** --~----;Iii
| |
| * l Mc)' l 9F.~ A'PPCNDlX B9 _ . HUMAN tNGJNECRJNG DJSC"".RCPANCV (HEO) REPORT *2 0 DO * '2. I _"2. '2.. PLANT/LNIT ORJGJNA. TOR: -..i..) ... , ..i.C_' {~j ,~* .i..;h:....1.L.:(1..,j,I..;."*
| |
| -----, . t£D NO.: _ _.-._* -.....;.\
| |
| -~-r ___ _ -Ir-\'AUDATEOEY:
| |
| _______ .. _____ DATE: -' -~-* ~--. * , f£O TITLE, -~W.\~--1.:.._.*,..!.1_...r,lo......l,,.t!J~*
| |
| ,<11!..!,:ti..l.i,, Vi!.!::.1..::-:-.
| |
| ;,;,t.°1=:=::....::11~:
| |
| I J,,J.rl)(J~r
| |
| .. ? tLi..1 -:P,1--~:::1~*
| |
| 1,~AQ,lji,,.o.l1111111cc..----
| |
| b) ITEMS JNVOL YEO: c) PROBLEM OCSCRJPTION AND D7DD PARA. NUMBER: ! ;* -:.* . IJ. -* . -..... l t,, f . . , .* . . * .:..,,,,._1 .I :./' I ,,' "~* \ IA. -1.., r,, ' I ' * . -* . . . -'
| |
| * CX)~ ' I~\-. ;
| |
| * I" .. p , ,,,. l ,,. '! ' I .. I ..., "-...
| |
| * I , ~--. , l . I '\ I ,Q -* .. \l i
| |
| * I * '"'! I . 'I"' \ * . ' . \.. I . * "--I* . ... . ,, ....__,.., . . -* 'llt.' I-., . .. " ... . 1r : \
| |
| * _; i * -. . ! -*. -.-i,: ,:-! ~. _, \ ** *..._ .,* , .. . ! j f
| |
| * I .... *e-* d) DAT A COLLECTION DESCRIPTION ANO C:OOC NUMBCR: ,.J. .-*". _,. ~"' .. .,. . ' ; * ...-, J . c.~ . .,,,,, ... """., -r;; = *, l . _ ... e) SP£CIF1C HUMAN C:RROR~l:
| |
| 1 *:\/ (,.. ~, ,,,. ~1*-,.._., . i . ,.__ \* '. . .*. , .. *"*I"\ .:i.,,-. '* \ *: . *. I l -\ \,. ._, J1 ' -.. '":""' .. '. -B9-1
| |
| .,l 11 ... l Me)* 1983 APPENDIX 89 * ; HED REPORT (CONTINUED)
| |
| : -Sv,-t-~J PLANT HED NO.: c-\ q f) SUGGESTED BACKF"IT:
| |
| \ n st-~ 1 \ ~\, r\ n~ i D t,t') )Y".: ": *** ""'* ...... ) : ...LD 1*1*'1 ** ,. * .J-c. J ,,.. ' I I .~ ,, __ .. -...... .-.,A-*
| |
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| |
| *
| |
| * B9-2
| |
| * *
| |
| * HJM!'c l:.NSlNEERlt.6 D!SCtttPANCY REPORT 98/23/85 PASE 21 SURRY IJHlT e CODE A ASSESSIENT LAST REVIEW hED NO TITL.E RESPO!ISIBILITY STATUS
| |
| * DATE 2M02llill AlktlCIATDll TlL.E EN3RAVINa TOO 9lllL ERROR: DWIY ~/OR ERROR IN r,P,ERAJOR rcESP0'6E TO JWlii.lMClATORS K+ PRO&.E~ DESCRIPTIOh:
| |
| CHA~Tc.RS lll.ES AR£ TOii SNLL TO BE READ FRIJIII O'' S DESK IWD ID6US 87N PARASRAP!-1
| |
| ~ft: E., l, l,3.A E..3.:S.:i.A.
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| l SIJ66ESTED BA-:KFI1:
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| INCwEA:i:.
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| CHAAACTEilS 1.:1 ~uuIRaJ SIZE PER hUREH780 ... D!SPOSITIO~:
| |
| n-s 87/11/85 PER=-~"1 ANi; STUDY, it.'CL. SIZE OF ENSRIWltc, Piuli'-ER TilLEAiiRANS£, ETC. SEE Pl-84 (28A02105) 9 C-9 (~I. DATA Cui.ai:TlC-t1 DESCRIPTION
| |
| ~D CODE NUM&£ft: TP-1. 1 ~i!l(&,;ACE
| |
| &URVtY TP-9.2 VERIFICAilOli If;!) \IHL.IIIATI~
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| REIIIARrl:i: . Pl~. lhiESRAiE R!TH 07!i:R AN!i.JNClA*Llii H!:IIS. ITEi'~ Ih\lCL\tll:
| |
| M!11< ~R LOCATION COf!PiYd!T &YSTEII lftU TILES KM)T lN INV FILE t 177 WORKSPACE APPENDIX B9 HUMAN ENGINEERING OISl-REPANCV (HEO) REPORT TP-lol l May 1983 , PLANT /UNIT ;_ O Al/-2 I .D j_ ORIGINATOR:
| |
| Ll~ t-ED NO.: Pi -:,,. VALIDA TED s Y: ~\.t: -DA TE: o__, MN:w' i:t . , 9 tY. -. zr , a) HEDTITLE:
| |
| ~).#ML' ,'At:m .. ::t&.-k ~.e.J \,;A~!; 41':,J)J., 7;~ ,/1.~ $,b::?N~~4u~khl e,g, b) ITEMS INVDL VED: e) SPECIF"JC HUMAN ERROR~1):
| |
| ~v1 u.v,.>.AJ:-~* B9-l 177 WORKSPACE APPENDIX B9 HED REPORT (CONTINUED) s u,g g y /0,11 rs. I
| |
| * PLANT/ IT 89-2 TP-l.1 1 Mey 198) HED ND.: PI .. ;2
| |
| : r. -* * ** HED PRIORITY RECORD :U:.-5 ._,_HE_D_II
| |
| _* {}t __ J..=-::'k:~
| |
| _ __.I . 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLA T*ON?. 3. HIGH SAFETY IMPORTANCE . -fPAM 8R 1e)? 4. ERROR POTENTIAL?
| |
| S. CONSEQUENCE OF ERROR: NO , LOW 1 LOW 2 3 2 3 IED
| |
| * YES YES r@ ~(*)-_I._ \{_V HIGH 4 5 _§__ HIGH
| |
| * * ** SuRRY ~IT e CODE A TirL.E ~183 AtffJNCIATOii PUa!ENT M1T CONSISTEhT BETWEEN uNITS. ltJAAI, ERROR: DELAY IN REWiNIZIN6 f:WNIH:IATDR, Ht PROiUPI DESCRIPTIOh:
| |
| e&t23/S5 PASE 23 ASSESSEHT LAST REVIEW RESPONSIBILITY STATUS DATE ENS II -S 87/11/BS ANNIJNClATOR Tlt.E PJ:CEl!cHT
| |
| /Nl!ElnATURE NJT aw51STEh'T B£TiicEN UNITS. 8700 PARAS~ NOOIER: D,&,2.4.ll SU3GESTED BAC~F!T: 6TANDARDilt.
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| ?I..Ai:=..l!ir.T ~RTLii!t.
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| FOR ~lRTOR SYSTE~ 111tt D1S.,USIT1Qh:
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| 16i:RiPT iC:,. COLE NU!UlEk: TP-9.c VEijIFlCATlO!lo fltolD 1/A\..lDATION
| |
| !TOO IIIVLi.~:
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| l!ARI\ hl.Jl!BER LOCATlOII
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| ~liT NAMc SYSTEIII SUBSYSIDI SYSTE.111 ff NOT lN INV FILE t .. ;..'"'
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| . . * ... V Y\V' \IT\\ *\"" .. l Me)' l9B} .. APP£NDJXB9 20AD-2.LC3 HUMAN [NGJN[[RlNG DlSCREPANCV (HED) REPORT *s{5 l~i.-PLANT/UNIT ORlGJNA TOR: _Da::;;._L.;;., . ..;..lk.~=------
| |
| ,:::. -r I HED NO.: ~~;.,___ __ \A.;._ __ _ VALIDATED BV: DATE: .. e)~HEDTlTL~:
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| AV\')~t,~
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| fl~ Ctr\"-':)\\k+. ..... b) ITEMS INVOLVED:
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| {,V,_
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| \AN\\TJ -.S:Dp_ ~Wl \~"S"-t-d) DATA COLLECTION DESCRIPTION AND CODE Ni.JMBER:
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| \e ~,\ o*~S>-v J°'*l ,_,._ e) SPEClnC HUMAN ERROR(s');
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| * * * .*. APPENDJX B9 HED REPORT (CONTINUED) . t;p6, l h . .-PLANTUNIT
| |
| .. TP-t..l l Mey 198) HED ND.-: c -{ l f} SUGGESTED BACKFlT: 5~0.CW\ d..\'l-t.
| |
| ek().M'\~
| |
| \ n~Jolv.."l'L-k°'"' f\~l,\o1-w
| |
| ~\J~ g) REVIEW AND DISPOSITION:
| |
| B9-2
| |
| * '..
| |
| * IIJfllAh tholtuRlhS DISCf(E;.i:wcy RE;iQRT Sl.JfcRt'
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| ~IT e CODE A ASSESSflEIIIT LAST. REVIEW mu IIESPilliSIBiLITY STATUS DATE 29A@2119 LACI( Cf' 6ROLIDINr3 BY SYSTEIII RKTIC... ERROic: DELAY 1111 f<W!Tllll6
| |
| ~lA'filR 10 St'STEJII, Hf PRCiiu* DESCRIPTIOfi:
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| SUBJECT TILES ARE f(iT RELATED TD OTtER TILES lN liOl. B7N PARAS~ NIJll£*R:
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| b, &.1.1. f:I StSSESTEil BAWIT: ~~TE TILES TO ~kO?RlATt 6K1AJPS. *. +H DlSPOS!iHlh:
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| fit.:ER 10 pil-f: FD~ ~IDERATIQl,i WiUr.6 IWNIJNi:.1ATOR STUDY<~lll>
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| DATA CO..W:ilON DESCRIPTI!llli Ahil CODE ~It: TP-9.~ VERIFICATION~
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| v~~IDATlON ITEIIS I NVCL. VEIi: Mili< ~f( t.lJC'TlOII
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| ~ONc~T ~-SYSTtlll &JX A 6-1 l~IT 2l 6-5 (UNIT 1l IH lLWIT 21 t+-'S <LWIT 1l ff MIT 1111 lNY Fll.E t ff t(JT IN INY Fll.£ + ff NJT lN JNV Flu. + ff NOT 111 lN\J FIL£ + ff lt'.IT lN lNY Fll.E
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| * II -5 ~/67/85 SUBS1STEII
| |
| '
| |
| r: ( *-1 May 198) APPEN)JX B9 HUMAN E~JNEERJNC.
| |
| DlSCREPAN::V (HEO) REPORT 5Q) \ t"?., PLANT/UNIT ORJC.JNATOR:
| |
| -.* ....;.J..~...::..l::::::::=:::..,.....
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| __ _ VAUOATEO BY=-~---....~~::.....a.....,._
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| b) rrEMS JNVDL. YEO: 1\\1\nwvi.c,.~
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| 0u'f. A..) .f,11) &-S", \-1-~ (1.1-i) * µ-t 1 &-l (u-7-) '
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| * c) PR.DBL.EM DESCRIPTION AND 0700 PARA. NUMBER: . {a, l, \. \ b .s~~j.l.L\-'.
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| ~\ ~J... V\O"t t L\°'-~J \-o c-\-{v-/ +*\\"-) \\f\ (hoy d) DAT A COLLECT!~
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| OE:SC:RIPTION AtiC> CODE N.JMBER: OD~u~~"'-T "f q.'L-e) SPECIF1C HJMAN £RROR(a):
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| Dt \~ 0\'o'\ ('t \a..+*, VI J (1..,\(\ I\ ...vV\ ~\ t\. \-"-+u s '-'\~~ 89-1
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| **-1 May 1'83 APPENOJXB9 HEO REPORT (CONTNi.ED) \ i-i; Pi.ANT/UNIT RtVJtW AND DISPOSITION:
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| ASSESS,ENT LAST REVIEW RESPONSIBILITY STATlS DATE ENS II -S 07/11/85 Nu lllD S16fA PRIORITY CODIMi USED FOR 1NCOIIIN6
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| ~ARIIIS. CPS CAfft1T DIFFERENTIATE lllll!E JIIPORTIWT FID! LESS, e7H PARASRHDr
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| : r. .. ~~~_)-~*"'*~.30...,~J--°l/1./CJftt:G-010~~. RCVJEW AND 01S?OSITJON:
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| * ** ** SJRRY ~lT e CODE A TITLE ~3 NO ~DIBLE IUIR!Hl.EARED SI6Mt.. FOR ~CIATOR SYSiE", ERROR:. DELAYS lN IJIEAATDR RESPO'lSES f+f PROBLB! DESC.RIPTIOt.:
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| ASSc'.SSIIIENT LAST.Rz:VIEW RESPC>>IS1BH.ITY . STATUS DATE ENS II -5 81/l!7/BS Tt£RE 15 1£1 AUD1l!LE tl..£A!!Eli IUIRI! 516N/L !l. ANNLJ,j SYS CM1 Vl&JIL IUIR!! -Ll6t!TS lllES 0JT liiEH CLEARED. I uee PARASRAP!l NUMBER: 6.3. l.~.~ &1.166ESTED BACKF Ii : EY~iJATE FEASl&lLm Li l~i.illir.
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| |
| NN..J'CIA TOR SYSTEM APPENDIX:
| |
| B9 HED REPORT (CONTINUED)
| |
| S,H:tRY LJJNITT ' PLANT/UNIT REVIEW AND DISPOSITION:
| |
| -~~~,.{ ... 89-2 TP-3.1 1 May 198) HED NO.: f -T -[-:" 0
| |
| 'e.
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| * YES ,YES 'Q ......L. HIGH _.!_ HIGH CATUOR't' 1111
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| *
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| * ASSESSEl'T LAST R:-VIEW TITLE RESPOkSIBILITV STATUS DATE 2iBe30e5 NO SIL.ENCE FLJjCTION ON IWNtliCIATOR RESPONSE cr,mns ERi!OR: IIRY C'AJSE DELAY /ERRiJR IN DPEAATCili
| |
| ~SDON:i Iii.ii: iu 1115ti i.£\1£1.S Cir hDiE, PRO&..B! DESCRIPTlOh:
| |
| II -5 ~. OORi.S. HAYC: NJ SEPARATE SILEtCE CAPABILITY, ~IN6_Ll6riT TO Fl.ASH WriILE "'1RN IS Sl!.Bfl, 87N PARASAA!irl IUIBE~: b,3,4, 1,A.1 b,3.4.1.A.2 SU56ES7ED BA~IT: PROVIIE Shi~£ CAPABli.ITV FO~ ~liUlt:::IATOR RE~: COfliRQi..S, t++ DISPOSITIOI'.:
| |
| Plluvlil:
| |
| 61:.1~i:.
| |
| CAAAi-l:..iiY A.'iil CON5i!D:li 5~C7:D lilt.&BA;;;t( FEATiJRE.
| |
| DATA Cill.ECTIOl'i DESCRIPT!O!i Cul:c IU~fl: ~1.£> A!".B!Ett1 Mi!S: &urt\1£Y TP-3.l ~lClATui!
| |
| SYSTE*S REYIE~ REIIARi<S:
| |
| Pl-i37 . !TEJIIS l N\lili. \'Eu: IIAR!{ N:Jll'.B:i!
| |
| LCCH:iD"I
| |
| ~(l'e,.; svsm1 ff hiii IN lNv Fli.t t 8&/8£>/SS
| |
| --* * -*. ' 207 b) ITEMS INVOLVED:
| |
| AMBIENT N:>ISE APPENDIXB9 SAMPLE HED REPORT FORM /64f-r--r't--;JJ.-
| |
| c,..;r\..f'>-1~
| |
| c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER: TP-le6 1 May 1983 ~..)~ CJ.~ /1.AA.~ u.., IU(J~ ,~ c . .o-v,~J~, ~-~~Ji -c..-1vf.
| |
| r-~~4 ..<4 ~-<,,:'*'Uo.-(1)<:,U-)
| |
| d) DATA COLLECTION bESCRJPTION AND CODE NUMBER: c.~ t:_AJ}J.>>-u
| |
| ~x;~o-::;)
| |
| -TI~ , . J 1 C '+ J ~'¥}( B9-l
| |
| *) 2t'7 AMBIENT NJISE APPEN0IXB9 SAMPLE I-ED REPORT (CONTINUED)
| |
| TP-1.6 . 1 May 198) 'SLJ!f.r2..Y4i.ti1rrs 1 ~). HED No.: fr -,37 PLANT UNIT f) SUGGESTED BACKFlT~ . J. -. , . :.f~-~o_,~~~\v~
| |
| ~~)a~~~CJ700 g) REVIEW AND DISPOSITION:
| |
| ~:.5 ~((),J-.OJ.., .;,~u_.. o..yn.~1li~
| |
| E (O'Y\\'1W' ~chd.. h(\~\?o.t.'(:..
| |
| 0-.~~ * .. 89-2 HED PRIORITY RECORD .
| |
| * 1 1. ::::M--~-N:,_,E_D_E_R_R_O_R_?_..(;)~
| |
| : 2. DOCUMENTED UNSAFE CONDITION-OR TECH. SPEC. VIOLATION?.
| |
| : 3. HIGH SAFETY IMPORTANCE NO . (PAM OR 1E)? ,. ERROR POTENTIAL? , 2 LOW 6. CONSEQUENCE OF ERROR: 1 2 Low a * ., YES YES HIGH -L HIGH ..
| |
| *
| |
| * TITLE w:10211e ltJll&ER OF TILES PER "-B EXCEED se. ERROR: DELAY lt. uP ~E. <DELAY IN LDCATl1'1S/lDc'11TlFYlN6 ALARlili.
| |
| t+t PROill.Ell!
| |
| DESCRIPTIOh:
| |
| ASSESSl!:N'!'
| |
| IJIST ltVIEW RE~SIBi~ITY STA!US DATE I! -5 16/@S/85 EAOi CON1AIN5 IClRE T~ 5iJ TILES, A. B. C, D, 6, 11, J&K l1AVE 64 Tii.ES C8X8l AL.IIS E&f hA'vE TILES l8Xlil, 87N PARAGAAPti NINER: o.3.3.l.D, l Slli36£STED
| |
| ~IT: FUNCilONt!w.-Y SROuP AND DtAAi!CATE Ft.BS. c-tt DISPOSITIOII:
| |
| REFER TO !Mi.1'11ClATDR
| |
| &TIJDY PHIS (~106> DA:A COL.i.ECTIDN DESCRI~Tl~ CODE N'JPIBER:
| |
| TP.-3.1 ~!CIAiuR &YSTE.."IS
| |
| !iiVlEW ITE"5 INVfr-vED:
| |
| MRI< ~ii LOCATION ~!'oi SYSWII IU A IU B UC IUD IU E UF IU 6 u tl UJ u I( ff ,cOT 1'11 INV FILE t ff NOT lh INV FILE* ff MJT 1'11 INv Fl:.: t ff NOT IN lflV FILE* ff t.OT IS I~ FI~ t ff NJT lk llW FILE
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| * H NJT IN !NV Fli.E t .ff NOT IN INV FILE* ff hO'!' lh INV Fi1.:. t ff NOT IN INV FILE t I * ** * )
| |
| * At,N,,.tClATOR SYSTEM APPENDIX B9 TP-3.1 1 May 196) HUMAN ENGINEERING DlSCREPANCV (HED) REPORT . *1,\ \0 i,~/'(C,..
| |
| : PL NT/UNIT OR.IGINA TOR: _?n ___ . _Jxw.c .........
| |
| -.@ ..... en ......... , -----Ha) NO.: _3_~_l _-_Cf __ _ VALIDATED BY: DATE: a) Hto TITLE: ~"'.ht rt{ -r&Jµ .P..vv I/LB f&egd, 60 b) ITEMS JNVDL VED: c) PROBLEM DESCRJPTJON AND D700 PARA. NUMBER: [ t,.3. 3.3 d{1 J] *adv /1/..8 0,/)nfzu,,r,.,a 7>U9'i.l fila-1v 5D "tika.1 tu~ :
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| * IU!:>S A, 8; c, D, 6, H/J J.. k .,l,,.o,i"'-
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| IP!./ {Bv 8)
| |
| * ALBs E. ~F ftvt '?,,::;J;).u (fr.to) d) DAT A COLLECTION DE:SCRJPTJON AND CODE NUMBER: 63-10 3b e) SPECIFIC HUMAN ERROR.(l}o 89-1 2 (L 2 -
| |
| . . ' * ***
| |
| * NH..J'CIATOR SYSTEM APP£NOJX B9 HtO RtPORT (CONTINUED)
| |
| PLANT/UNIT f) SUGGCST£D BA.C~nT: RtVJtW AND DlSPOSJTlON:
| |
| 89-2 TP-3.1 1 May 198) 3_f..:..'1 HED NO.: ----~----
| |
| * **
| |
| * SURRY uriIT 2 CD~ e:i 22Ae2111 DIA. MBWJt<<; TILE LEGENDS. ltMi ERROR: DELAY IN CP fft PROBl.91 DESCRIPTION:
| |
| TITLE IUL-fEANlrE, JOt-SPECIFIC Til.E IIESSSASES.
| |
| 1700 PARAEIIAPri NlJ!i,Efl:
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| Ei.3.3.4.C SUSS£Si@ BACl'J n: ~:,JTEii &l:!'tEAAT~
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| H:.A~I! 10 lir-NiffY S~-.CIFIC
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| ~r,aT, D!~ITIOII:
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| ASScSSIIENT LAS'l" REVI Ek RESliQt\'SIBHJTY SiATUS DATE II -S fl6/e7/B5 R:~Ei< TO ANN &iuDY ~ii Vi~ ii~::'.~~>.
| |
| td"'b!J kNti illLES hOi Dilt<<iED SINCE fl? WOlJLD hElT L.DCM AT IND TO IIER!FY, DATA Cllu.ECTIOt.
| |
| DESC1Uli!lCllll A\D CUDE tr,.lllll£ic:
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| TP-3.l ANNJJ~!CIATDR SYSTEP!!:i
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| ~Vlcw TP-6. l CONVENTI~o SURVEY ~Rl<S: l. l-1, LlSit.D ITEPIS S~C'lJLlJ ht ~-H, 01!-iEi!::i lllitr &E ITEMS INV!l.~&1:
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| ll!iiK NI.NER i.DCATI!"l.
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| ~EN: ttAPI: SYSTEfl A A-4 A A-5 AH A 1:1-4 A i-S A 8-D II &-1 BH ii D-7 B E-1 1' E-7 D lr-1 D A-3 D i-1 D i-3 i) C-l D t-3 D D-1 ff ttJT IN Ii.v FIL£ t ff NJT IN lNV FILE* ff tl'.JT lN INV Fl:.£ t ff t11T IN lN'J FILE* ff fll'.IT Ir. Ii.v FI~ t ff NOT lN INV FILE* ff MIT lh llW Fli.£ t ff r()T IN lNY FILE* ff MiT Jh Ir.v !=l..E t ff hOT IN lNV FILE t Hr.ii: 1~ l!W FI.: t H ~T Ii-liiV FILE .. lii[i~ 1~*!\V FI~ t. ff NOT 11¥ INV FILE* ff hui lh lNV Fl!.£ t ++ !'ID: !!I" !N\I !=ILE + ff Mli lt. 1 .. 11 Fl:..E t ff NOT 11'1 INV FIL£ *
| |
| * SURRY ~iT 2 IIDIS INVr...VED: ~R LOCATIOIII
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| ~NT svsr::11 , SUBSVSIDI D D-3 ff NOT IN INV Fli.£ t D E-1 ff NuT Iii INV FILE + D E-5 ff ft'.IT IN INV FILE t D F-le ff NOT IN INV F!!.E + D F-~ ff Nli l" !NY FIL.£ t D S-1 ff NOT ltt INV FILE + 6 &-4 ff NOi lt. INV FILE t 6 &-7 ff ~OT lh INV Fii.E + 6 C-4 ff NOT IN l~Y Fli.E t 6 D-4 ff NuT IN lNV FILE+ td~3 ff hQT lN l1'V Fl~ t H B-3 ff huT lh lNV FILE t H C-J M huT lh l~\I Fl~
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| * HD-£ ff MiT lh INV FILE
| |
| * H F-2 ff hlj i lN i~v ?'Ii.: t ti F-5 ff r.GT lh lh\l Fli.E t HK ff r.Qi lfi INv Fli.E t ,'. ri F-7 H HGT lh IN~ FILE +
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| * J A-4 ff hOT lt. lN\1 Fli.E t J E-4 ff fi[iT Itt lPcV FILE* K ~3 t-+ hu: lh lN\I F!~ t t( E-8 ff NOT 111 INV FILE+ *
| |
| * ,' . * ** ,. . ) AtH..N:IATOR SVSTEM APPENDIX 89 HUMAN ENGINCERJNG 01SCREPANCV (HCC) RE_PORT TP-:S.1 1 May 198::S . \ \\ .5v~ev /tJIJIT 1[ . . . , ,z_, PLANT/UNIT
| |
| '1.,~ . ORIGINATOR: . ?n . .Dry,t1d4P-,k Ha) NO.: _3_._l_-_1
| |
| ___ _ VALIDATED BY: DATE: a) HtD TITLE: . ./)<<!LP .id,. rU.pnt/41 b) ITEMS JNVDL VED: a~~~~4"A~.
| |
| c) PROBLEM DESCRJPTJON AND 0700 PARA. NUMBER: \r.,,J. 3.81c] tdtufud. ,J)i.u,t f>t, .J,µJn.p,tu ef dJ.ud.-fltHJ,?"..bl?f 1 -Mn *¥U,*' d) DAT A COLLECTION DESCRIPTION At-¥D CODE NUMBER: ~-/;3-7.81 e) SP£C1F"IC HUMAN ERROR(!):
| |
| B9-l
| |
| , , ,-.
| |
| * f) SUGGESTED B.O.CKFlT:
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| ~TORSVSTEM APPCNDIX B9 HE:0 RE:POR T (CONTJNL.£0)
| |
| PLANT/UNIT TP-3.1 1 May 198) HED NO.~ 3 * { -(
| |
| -~LeA_)-,...~ .... ~-: ___ _ * * ** ACCU~ TI{ IA Ml-LO LVL ,.,5 Arc u M n. \ b ' IA ()",L f.~VR 'Iii-LO LVL lil-LO 1Ll*\P CJ.12 t:.3 t,k n '.t t* 1 ! !": 1::. F, t' r 1 ~CC,1.1~ Tl{ I f> ~I-LO LVL .P.ln AUUM \C. \-\ I *Lo fP..tr.s ttJ'rll C' 11'-lAl. HI-Lo L.VL {pLB D) f\( U', "j ;, IC.. 1-11-LO I.UL CHI Cl t' I l t'*. it( \£, Ill *LO till Clll VCT 1-\1-LD f'F-t /..CCVM TI< lC 1-tl-l.D LVL. C.S ff /A RCP I.:: OIL, f:~'Jf, \t HO L..V L rz ~A Ti< \t. 1-U-L.0 *;, :*c C~ I ( ~,c-*. I'!* ,v f;.[ .:-~ ..., I,.}* I 'ti.* ,,,. I *-.J -*
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| * l -l ACCU"'1 iK '-: Hl*LO rft:.~: cs ff *£ L~.:.:">Jr Of ::; '-"1.
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| * SURRY UNlT 2 COD: A RSSESSIE~T LAST REVm, TITL.£ RESPOhS!BlLITY STATIJS DATE 22Aecll2 ~TE LETTER 1£I61,T c>>I INilH:IATDRS.
| |
| II -5 86/86/85 IUIA'I ERROR: DWlV It. OP£RATOR RE~. H+ PROBLE!".
| |
| DESCRIPTION:
| |
| LETTER r1T Cf .~*: STA DIST!i'a cXCEEDS 50" IMXVIEWIN6 DISTIWCE FOR .29" HI6H LETIERIN6l, 8700 PARASRAPH NIJIII*R:
| |
| 6.3.3.S.A.1 SuSGE57ED BAC>{FIT:
| |
| IE-E.~AAVE TILES TO flit, e7~ SUIDa!NES.
| |
| H+ DISPOSITIOII:
| |
| REFER Tu P,.,,.utt:lAiO~
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| |
| !eY!~~
| |
| * IEIARKS: 3, l-12 ITB!S INw..YED:
| |
| l'J41(1( ~.BER LOCAT.iil1'
| |
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| |
| * * * . AN'U'CIATOR SYSTEM *APPENDIX B9 *--. -. . ---.----*-
| |
| TP-3.1 l May 198) HUMAN ENGJNE:E:RINQ DISCREPANCY (HEO) REPORT -'].. \ \ 'i,, ~,. ANT/UNIT ORIGINATOR:
| |
| _.Jr, ____ ,1Yl_4 ..... H.,..iL..,un...._
| |
| ____ _ HEO NO.: -~----\ _\ -_1_2, __ _ VALIDATED BY: DATE: a) HED TITLE: Jvrvhrµ@ rl,;itu. llpl/q}zi /Jn~ b) ITEMS INVOLVED:
| |
| _ c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER: l/p,3, 3,5 a{rJ/ -/t;t1.vt.
| |
| kr7t an-,w~ "kW .u .. ~o: 11,J ~a.41..fa.n~ #1'.
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| |
| * 2.tJ" .Aj1 Jdt:.u:n, . d) OAT A COLLECTION DESCRIPTION AND CODE NUMBER: e) SPECIF"lC HUMAN ERROR.Cs):
| |
| A, I ,.. , I
| |
| * l..L '*"-. ,, t .... 1. -~-:: ; -( \ -.: -; :-. -._ I /, 1-1/-89-1
| |
| ~IATOR SVSTEM ** APPENDIX B9
| |
| * HED REPORT (CONTINUED)
| |
| PL.ANT/UNIT . . . TP-3.1 l May 1963 HED NO.: 3, \ -1 &-* f) SUGGESTED BACK.nT: 5\: ,C ', . c. c:.. :.t.-.it""t"t~
| |
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| ...
| |
| * REVIEW AND DISPOSITION:
| |
| *-u=--6
| |
| * B9-2
| |
| * **
| |
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| |
| ERROR: DELAY /ERiluR lN OP li:6"0NSE:.
| |
| t+t ?ROBLE..:
| |
| DESCRiPTil:tl:
| |
| eB/~/85 PAS: 57 ASSESS!l!:HT LAS,. REVIE~ IIESPOhS!B!LITY STATUS DATE ENS II -5 86/86/85 NJfERAL W1DTtHCH£I&!T liATID IS LESS T!IIH 3:5. IT IS 2:5 RtiD CHARACTERS
| |
| ~P.R LIJ<<S AhD NP.RROii.
| |
| 87N PARASRAP!i NiJl!fiR:
| |
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| |
| *I HLiS 1riAT nAV:. CQRR:.Ci 671110 E:iJID£-i~S
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| ~~\ll:D MJIIERA..
| |
| 6iIDTri-Tu-r£l6if.'
| |
| M"."IO OF 3:S. t+t DISPOSITIOh:
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| REFER TO AWJNCIATOf<
| |
| STUDY i:iER Pl-85 (28Ai2116), DATA Cll.!.ECTit,i DESCRIPTION AtJ> CODE Ni.lMBER:
| |
| TP-3.l ANNiJN!CIATuR SYSTE11£ Rc:Vltlirl IIEIIJ:lro<&:
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| 3.1-3 ITBIS lNVu.."8>:
| |
| flli!I{ NUMBER i.OCAT10!'1
| |
| ~t.i SYS:Er. ff liOT IN INV FIL£* Eii.lBSYST£111
| |
| . . *
| |
| * NH..l'ClA TOR SYSTEM TP-3 .. 1 1 May l9B) *APPENDIX B9 HUMAN ENGINEERING DISCREPANCY (HED) REPORT \ \ '-\, I.A"'\ , 'l,., S'uR~y {l//JIT "°'~l"-PLANT/UNIT 1--ORJC.INATOR:
| |
| _ ... fn ...... ~Dal.H~--*~;...;*
| |
| .......,_*
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| ----3 l [ -<. HCC NO.: ______ .J __ _ VALIDATED BY:. DATE: a) HED TITLE: J!n£R1-1?u4tl IJ),dih-frrlktip..b f@ P?7 ~ncud,( Ck,,q4ty b) ITEMS INVOLVED:
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| au 11-?'ma~ Laau.:n, . c) PROBLEM DESCRIPTJON AND D700 PARA. NUMBER: {u,.3.3,5"d(a)
| |
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| |
| *. d) OAT A.COLLECTION DESCRIPTION AND CODE NUMBER: .a,.,-4 e} SPECiFlC:
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| HUMAN ERROR(~):
| |
| (4! ( * *. / ~Vi..t-'J J.;\.L, ff~--*-~i t'cJ }-...l .:fC';..!J .J B9-l
| |
| * ... *** ~TORSYSTEM . APPENDIX 89 HE:O REPORT (CONTINUED)
| |
| PLANT/UNIT f) SUGGESTED BA.C~nT: TP 0 3.1
| |
| * 1 May l9B) HEONO.~*Si.l-Ey1La W .LJJCkL'-..W.U., il.4.-t C:tu.t ct: 01 DLJ ~UALL/ /tl..(:. tl\.'-()u v~ tlc d.,. ()V..t /1UJ..4.l Wuit. k. -°tv -( < lt t .AAit. £> " . M .. .,,;, -' REVIEW AND DISPOSITION: . ~-S *-. -;.. *\ i ,, . ' ------Pl '' . ,,, -*-* 89-2
| |
| * *
| |
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| |
| ASSESS!IENT LAS";' R:::."VIEW RESPOhSIBILITY STATUS DATE ENS II -5 16/86/85 SPACE BEiWEE" L}ll;S r,,>. ~}ATOR TILES ,.ea*, IS LESS T~ llHE tfLF Tl£ DilRACTER 1£l6HT 11/2 (f .2e*=.1e*i.
| |
| 87~ PARAS~ Hl.iMIIEk:
| |
| 6.3. 3. S.ll.b SlJ66ESTED ilAOO n: RE-:HSAAY~
| |
| IM~lATuR Tl~S 10 J'.Ef'! lll7~ &JlIIEd!S, H+ DISPOSITlil!I:
| |
| ~-eR TO ~ui-ClATOR b:~DY Pl-65 l~~lebl DHTP. COu.ECTiuN DE&Clii.-n~
| |
| AND CODE U.1£~: TP-3, l AMi!JNlClATD~
| |
| &Ytfftll!ii kEY!:11 1191ARKS:
| |
| 3.1-& ITEII.S ltiVIA..YED:
| |
| IIIARK NUl!B:R LOCATION COf'PlltQ'T NAl'i SYSTE!I! TILES H ~i lN INV FlLE t SUBSY5T9I
| |
| * ** * #N.N:IATOR SYSTEM TP-3ol . l May 1983 APPENDIX:
| |
| B9 HUMAN ENGJhEERJNG DISCREPANCY (HE:D) REPORT I\.\\~ ,,vV"" ORJGJNATOR:
| |
| __ 7?z .......... , _../J,....iq!lt(.~44e'=:....i----
| |
| HED NO.: ~. [ -G VALIDATED BY: DATE: a) HEO TITLE: tlcttt:..
| |
| Mf'~ -Jn:z#fl{all 6,(dW-izg fin d-nnanc1~
| |
| Af; 4il4 b) ITEMS INVOLVED:
| |
| an-nt.t~~
| |
| c) PROBLEM DESCRJPTJDN AND 0700 PARA. NUMBER: [6',3. 3,5dt~Jl T)l.l, -o/'aU-6dl /Uz,,nu~ 1..du (. t;B' '') .)..1. PM ../luz,,n 67U, h.ai/ ;1u ~actJt Jtuj'Lt ti 61
| |
| * 2 ,, = ,, ,o :>. d) OAT A COLLECTION DESCRIPTION AND CODE NUMBER: e) SPE.CIF"IC HUMAN £RROR(a):
| |
| -'J7'~tU77'..l7;.,C l)cr >a, B I. /-'I
| |
| ..
| |
| * __ .. ~**-----*---*--*----
| |
| -----*--*-*-
| |
| **-*--.-........ *-.. ~IATOR SYSTEM APPENDIX B9 HE:D RtPOR T (CONTINLED)
| |
| PLANT/UNIT f) SUGGESTED BA.CK.nT:
| |
| RE:VJE:W .ANO DISPOSITION:
| |
| l TP*l.1 1 May 1983 ~NO.:~ J-b 'e ~(_ e / I
| |
| * 89-2 . . ' ' .
| |
| * **
| |
| * SURRY LttlT 2 cmE A TITL.£ c.:Ae2!16 SILENCE CONiROLS FOii ANNut.CIATORS. ERROR: IE.AV IN S1L.a.c1N6 IWAlL.ABL.E
| |
| ~NJNCIAiOR
| |
| ~ARIII. ff+ PROitift DESCRIPTI~:
| |
| 88/23/65 ASS£5Sfll.£!'.
| |
| '1' LAST RMEW ~SlBlLITY STA'!'US DATE I! -s THE~ CTRL.S [lt,j BBS B=.LCIW fU J AND C, RESPECTIVELY, DO t(JT SIi.ENCE CONT~. 8700 PAIIASRAPH NI.J!&Ek:
| |
| Ei.3.4.1.A.
| |
| l &.166ESTED
| |
| ~Il: PRCNIDE AMf~'SCIATLiR S!LEr.-:E Pi&m:J!'TO,-.
| |
| HjR US C.: & J, <1+1 DISPOSITIOI,:
| |
| REFER TO Pl-37-(2eB03~51 DATA COL.LECTI&.
| |
| DESCIUPTiON P.l(D CODE Nl.iflll*f!:
| |
| TP-3,1 ~~ICiATOR SYSiil'i:i REVlEw ITEMS IIWfLYED:
| |
| MRI< IIIJIIIBER l.OCATION
| |
| ~Et.IT hWE SVSTE!I! SIJBSVST91 JWN CTR1.S H tc'.IT lN INV Fll.E t .....:* 59
| |
| * * -....... ,"91"1 .. -.... --.... -~--.... -***** -*~* ~lATOR SYSTEM TP-3.1 l May l9B3 .APPENDIX B9 \ \{p HUMAN ENGINtCR.ING DISCREPANCY (HID) ~ORT * ~/Z, :>ue14:Jvmr ,z: * . 1; -ANT/UNIT ORJGINA. TOR: _7(/.......,.,._.{)_a_i~'f
| |
| ... @-'/r(,.-y
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| ______ _ HCC> NO.: S \ l -e ----------
| |
| VAUDA.TED BY: DATE: a) HE.D TITLE: 4<&,'tV'.L
| |
| ~ul Jk">-4tkr'ILl?'!IYUlt'k4 r b) ITEMS JNVDL vtD: (ltrv,w'nC(aibi hi Bu-d,bf.;zf'M.
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| c) PROBLEM DE.SCRJPTJON AND 0700 PARA. NUMBER: J /;,.1.~./().
| |
| {rJ]
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| * 9t'I Me. Pf:nc), botJrdS Jiu a?VnU~ ,.lte.u>w
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| /JLB :r IVM C Al~LJ~,i.llHL do no-t ,,-,-----,, ..,Ap.,ii, a.,,..,.,,,,U11C,(U'ft!
| |
| ..4i1.u1Cl, d) OAT A COLLECTJCN DESCRIPTION AND CODE NUMBER: bwi,~ !3-Cf. "15 e) SPtCIF"IC HUMAN £RROR(1):
| |
| B9-l
| |
| ., ~IATOR SYSTEM
| |
| * APPENDIX B9 ~E.D RE.~OR T (CONTINUED)
| |
| PLANT/UNIT f) SUGGE.STE.D BA.C~nT: R.CVIE.W ANDDlSPOSITJON:
| |
| jJ -5 . '
| |
| * B9-2 TP-3.1 1. May l9B) . HED NO.: 3~ l -B
| |
| * *
| |
| * SURRY IJN!T 2 COD£ A TITLE 22Aecl23 NO PRINTClJT FOR IU.TI-1NPUT
| |
| ~IATOR. ERROR: DELAY /ERROR IN CJl RESPONSE, fft PROEl.BI DESCRIPTIOtt:
| |
| e.8/E3/e5 l'V\::= ..., __ A:SSESS"!Eti".'
| |
| LAST REYIEw RESPUICS!B~LITY STATUS 1)1:lTE II -5 17/11/85 IUll-lt.>uT f.ffl.JtlClATuR liCES ~T /UR.~ ~Rl~TOUT.
| |
| l~lLITY TD DEiER,llNc:
| |
| liHICtl IUlR'-Ek ~TIVATED.
| |
| uee PARASRAPH NOOIER: 6. 3.1. 2. C. 2 Sliti6ESTED BACKF IT: INSTAi..L PRl~TULJT C~l~m::; Fili< l'n.li.. iHN*'I..'
| |
| i ~lAi'i)ffS, fft DISPGSITIDh:
| |
| ~ER TO Pl-85 l~le&J Pl-2 1~2101) kNN'."t:lATO~
| |
| STUDY, DATA CD..i.ECTIOI>
| |
| DESCR!PTiO!i At>D CODE lli.Jl".iik:
| |
| Tt:i-3.1 ~lClATDR ~YSTEMS RE~lE~ RBIARKS: C-17 ITEll!S Ht~ ... Y'-.JI: M~ ~ii LOCATION ~T r.A,,E ~YSTEIII ff hOi lh lffY Fli..E I
| |
| * *
| |
| * Ji7
| |
| * APPCNDJX B9 HUMAN ENGINEERING DlSC-.RtPANCV fHEO)-RtPO~T SuR-S?.~ 2. 2 2 A-Dot 21-Z.5 PL.ANT /LNIT ORJGINA. TOR: j . LO 0,-RA N t£O NO.~ --iC---..L.\ J..__ __ _ VAUDATEOEV, .. DATu 3~ B--f\S ., I-ED TITLE, No mi tnotrr l::QR MVL1,-,Nru1 ANNPN t -;ro Dfss .. t,) JTEtJIS INVC1 VCO: ' .. c) PROBLEM DESCRJPTJON AND D7DD PARA. NUMBER: . :* .. I . : .:_ ,.:: , Mu \t,:,Nf~ "*1~tJOPc-ToRS l)Q ~Oi *Ave . . .,. . . . ... ff_.lK100T
| |
| \ !°': _\~.* ~-; ' -. *:, .. :.. -.. . .* .. *. d') OAT A CCLLECTJON DESCRIPTION ANO CODE NUMBtR: ~, . r'\*----...... . \..., J::._ \ * : '* .. . -* . -I
| |
| * i e) SP£Clnc HUMAN ERROR~'):
| |
| r-. . .. IQC. '9 / :
| |
| l Me)* l9B) APPENDIX B9
| |
| * HED RtPOR T (CONTJNUEO) s~
| |
| HED NO.: ,C-\] f) SUGGESTED BACKf"IT:
| |
| .. \ *,,:_!,-***
| |
| ..... , .. _ *.. ;. ,.,; \ : -* \-' I * ' * , r ... ., ,, ( ,,__ ...... -;. : . J . *~ I r .. ". *, ,,.i--,r, i""-, .... ' ! \ \ ! \ ' .. . -.*.. * : , , I ' -* W * , -g) RtVJEW AND DISPOSJTJON:
| |
| ** *
| |
| * *
| |
| * S!JA~Y ~IT 2 CD~ A ASSESS~r.1 LAS: REVIEW l£D NO TITLE RESPOkS!BlLITY STATUS DA'!£ FDR ~ITS ~IKE, ERROR: ~USION OVER illt!!C~ SYSTcMlllll?ONENT A..Af<II!
| |
| IS !WNDIN6 FDR. +tt PRO&.EM DESCRIPTIOI:
| |
| ENS JWMJICIATDR URIIS FDR IMITS AUX VENT ~AR'-5 HI Rre.iASEOUS EFFLUENT RAD ~D ~IKE, 971!0 PAAASRAPH
| |
| ~R: o,2.2.2.A
| |
| !iJSSESTED
| |
| ~FIT: TOt¢ Ci c~I'*1 tASY Dlf~Ett:.~T!ATlOti
| |
| [; SO:.IIWS, **+ DISPOSITIOII:
| |
| REFER iO Pl-85 C2We1e6l IIETAILED
| |
| ~lATOR STUDY. DATA CDU.ECTlCiN DESCRIPTlClN
| |
| ~D CD!'.i N!Jlf£R: TP-2.1 COM.Jt,,iCATIClhS
| |
| !iURYEY ITEMS INVCL~: IJ!Rr< h!JfllBER LOCATll'Jh
| |
| ~T SV11Tt11 tt hOT Ill INV FIL£ t tt NOT Ill lNV FILE
| |
| * ff f(JT lN lNV Fl:.E *+ II -S 97/11/85 lt.. I-ED NO-~ ____ c .... "."9-°',1.-
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| ___ -------o~"fEi _:,*£2,B'2
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| -XOR !),)'1 > 5DOY!I . C>.\,;% *.-:-* . . .. * ;i..~CR: -(o.,.~.~
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| ~** \)~\'IS ~"-°'JaS! .f>~S E.H\.00-S{
| |
| '\?.,._t).
| |
| l Mey 1983 l\~;~NOIX B9
| |
| * T (CONTJNUCD)
| |
| \ :::! -('~~ . . PLA JT t-ED NO.: C-C\ I
| |
| , *r
| |
| * HED NO SURRV UNIT 0 CODE B TITLE ~302 SVS/EOt..lIP STATUS IS JNl=ERRED BY INDICATOll LJGt,;T BEiha OF.: HUIIIAl'i ERROR:
| |
| * ERRORS JN OPERATOR RESPONSE FRi:iri: ER!hlNEOUS ASSIJ t+t-*' PROBLEfl!
| |
| DESCRIPTIDti:
| |
| eB/23/85 PAGE 74 ASSESS~f\T LAST REVIEW RESPONSIBILITY STATUS DATE Et.B I -2 08/S7/85 r.PTIONS [IF PLANT STATUS DuE TO BURNED OUT BULBS SVSTEM/EQJIPl!ENT STATUS IS INFE.RRcD itV JNl}lCATOk LI&iT itr:IN~ [F~. INSTEAD o: lLLlJll!lNATED, 0700 PARAGRAPH NlJIIIBEk:
| |
| E:.. 5.3.1. C Si.J56ESTED BAD<FIT: EVA:..U'lTE CONSC:Du:.NCE.S OF l'IISJi.t~,r,-:~1 DtJE 10 11il!:i J;Rub..ill'i A~ii 1c: POT£~TIA-HAZARD, REVERS~. REMARI<&:
| |
| Pl~B ITEIIIS 1NVil'..V£D:
| |
| SI i~ll:~ IT£111S I NVl'l. VED: . ~RK NI.Jll'.B~R LOCATION CCff/WNE~i NA*.: svsm, SUBSVSTEJli Flo,v HI STP! ff l't!Ji IN lNV FlL.C t . LO STIii PRESS ff NOT IN It.~ FILE
| |
| * LDT~~ H hOi l~ l~v FILE+ -Lo ?t1' ?ttess 1-\ 'D1t./UN.~
| |
| ~' **
| |
| r ~-~-.'. *: : DISPLAYS APPENDIX B9 TP-5.1
| |
| * l May l9BJ HUMAN ENGINEERING DISCREPANCY (HED) REPORT -f"\i, 1,?:>v Su r1.//2. Y(uN1rs*
| |
| * I i l 1,0~o ... 1.*,})l PL.ANTI UNIT
| |
| * ORIGINATOR: HED NO.: f:I --VALIDATED BY: DATE: 1,,, t9P'H a) HED TITLE: _ AM~ /414~ t::1'""t:litiA ,M v4i1>1>_M
| |
| __),l ,Mdhv-£:g-'-J*J,J:
| |
| ),0 a-( 1
| |
| * b) ITEMS INVDL VED: c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER: 0-U . JLJ . _:1~
| |
| * *-l,,f,3,/c_
| |
| --d) OAT A COLLECTION DESCRIPTION AND CODE NUMBER: Cr~~ -Tfl~tJ.3::J.(').J e) SPECIF"JC HUMAN ERROR(1):
| |
| ** M
| |
| * .., ...).A./,f-f *';' J_. *_.,e.'....fU-1-'
| |
| :...... D-*\ 'i-'~"-'?-~ 1 _..Q./\.11 ,C'"-v...C v *.v:; ~*-1.,*11.1-j
| |
| -' * : _, . )2)-1,-.:r
| |
| /w~~ I I f B9-l
| |
| .-=** (. \,,' DISPLAYS *APPENDIX B9 HED REPORT (CONTINUED)
| |
| Su!<rt..y/u1Y1n I 5 l, PLANT/UNIT
| |
| * B9-2 TP-5.l l May l9B3 HED NO .. : PI -"s, PI-~? c*"1~1">,..,,I.*
| |
| ~:~---~~ ~~~P-j)J ----~--. --*-----------------------
| |
| --ce __ --*** -. .. . -*------*-----* *-------*--* *----. *-*-----.. --*--*-*-*--.*----*--****-.... **-*---*-*-
| |
| ------* .. *--***-------*---*------*------
| |
| -------*** --___________
| |
| ,_. -*-**------------------*
| |
| ---**------*--*-***-
| |
| ------* . --*----------------------*
| |
| ---** **-*--.. --*----* -------------
| |
| .. -----------
| |
| HED PRIORITY RECORD
| |
| * HEDI 1. DOCUMENTED ERROR? NO 2. DOCUMENTED UNSAFE NO CONDITION OR TECH. ES SPEC. VIOLATION?. 3. HIGH SAFETY IMPORTANCE NO . (PAM OR 1E)? C. ERROR POTENTIAL?
| |
| 1 2 3
| |
| * I LOW 2;0-c HIGH 5. CONSEQUENCE OF ERROR: 1 5 -L LOW HIGH CA 'flEGDIIY I NO NO ltO IIO *
| |
| * ........ VIRCiNIA 0 POWER. . . . CONTROL ROOM DESICR REVIEW HUMAN :~&J~~i'Cioc;{~i§ES$rcru' (HED) HED-NO. fI -f'S .:l. o A .o -J I o (o STATION/UNIT . .S &A..-~ *1 i ~. 2--------+1-----------
| |
| MARK NO.-------------------
| |
| ITEM DESCRIPTION
| |
| !Inn va' ; a-f Ir >fy.s+e~ CHANGE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS)
| |
| * *pe ,-£ D"" ro si u. J t *(o .:
| |
| * COMMENTS:
| |
| --------------------------
| |
| ORIGINATOR
| |
| /. ( /(,r/
| |
| * DATE REVIEWED Q /tt; /f5 I ; AM
| |
| * * , * & nc.1,,,1 l'IVo ( ..L -_.. VIRGINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING brSCREPANCY (HED) RECOMMENDED RESOLUTION
| |
| .2.0Ao -:2106 ST AT ION /UN IT ___ s_* ....;LA.~v
| |
| ...... r...,.v ____ 6""-l'j"""M~'~'
| |
| 1_.r_...:./
| |
| .... t~-2.-----
| |
| I MARK NO. -------------------
| |
| ITEM DESCRIPTION
| |
| //~11 LHT r-,a f ~t'" Se,Jen-, 7 CHANCE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS Per !oy s-f t,f Iv ff): r J ; ,Id/ f/.. & , J l'f' 1j, .r, Ye 11 la.rl.,, I) cl ri~ Lei< I I I {/ Cf T '.s rf~ ~""... ~v c~ />-v~uf ~,, . r r , COMMENTS: . ,IJ /I U iµ o~/:7 w ; I/. c on f'o,-,..., f I r,,ry,...,e,f
| |
| ~. Aw, .a££,-ev1~f1°0n.s 11 lfCrPl'I '#/.!' 'S7, *' J i/1 (7JhftJ,,.
| |
| fo Jlt>. b~fr s~~r&J I{? vi.sd? ORIGINATOR
| |
| _ __,__?_, __ F,_, _!-!~/_/ / ______ DATE REVIEWED ({-/£ -&' S 7, Prov ,J f:: * ().. loc. k. -i~ t)V / oc. k -o~ le(J.f&J..ve fo keef 0. / a:v &,v\.. o v... l/ ovk. ./-/.. () /4 r--. f', o~ c DW? ;'-;f ; e) V" This I e4.:J.-&A. .... '(!_ wo..J/ L Use} rJ v.. r ;"'et !')1.a ;j ena vice. c w~e"" ~t~;rm~ IS II-\ viee,J o.f fflairifeto~c.e.
| |
| ** I ! --.. *. *"\ *
| |
| * ANNUNCIATOR WARN.ING SYSTEMS 6.3 VISUAL ALARM SUBSYSTEMS
| |
| | |
| ====6.3.3 GUIDELINE====
| |
| | |
| 6.3.3.4 VISUAL TILE LEGENDS a. b. C. d. UNAMBIGUOUS
| |
| -Annunciator visual tile legends should be specific and unambiguous.
| |
| Wording should be in concise, short messages.
| |
| SINGULARITY -Alarms which refer the operator to another, more detailed annunciator panel located outside the primary operating area should be minimized.
| |
| SPECIFICITY -Tile legends should address specific conditions; for example, do not use one alarm for HIGH-LOW, TEMPERATURE*
| |
| PRESSURE.
| |
| ABBREVIATIONS-Abbreviations and nyms should be consistent With those used elsewhere in the control *room. 6.3-17 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment I I ! I I I I l I I
| |
| *
| |
| * ANNUNCIATOR WARNING SYSTEMS 6.3 VISUAL ALARM SUBSYSTEMS 6.3.3 GUIDELINE.
| |
| 6.3.3.2 VISUAL ALARM RECOGNITION AND IDENTIFICATION Specific guitjelines for visual recognition and identi* fication of alarmed tiles follow: a. FLASHING -The specific tile(s) on an ciator panel should use flashing illumination to indicate an alarm condition.
| |
| : b. FLASH RATE -Flash rates should be from three to five flashes per second with mately equal on and off times. c.
| |
| * FLASHER FAILURE -In case of flasher failure of an alarmed tile, the tile light should illuminate and burn steadily.
| |
| : d. CONTRAST DETECTABILITY-There should be high enough contrast between alarming and steady 0 on tiles, and between illuminated and non-illuminated tiles, so that operators in a normally illuminated control room have no problem c;liscriminating alarming, steady-on, and steady-off visual tiles. e. "DARK" ANNUNCJATOR PANELS-A "dark" annunciator panel concept should be used. This means that under normal operating conditions no annunciators would be nated; al I of the visual tiles of the annunciator panels would be "dark." f. EXTENDED DURATION If an annunciator tile must be "ON" for an extended period during normal operations (e.g., during equipment repair or replacement), it should be: ( 1) Distinctively coded for positive nition during this period, and (2) Controlled by administrative procedures.
| |
| 8.3-14 COMPLIANCE CHECKLIST
| |
| ****~* -**** -.' . :: . ,.:-~ . :--,J *: *7 }!~ '**.:~; . :._./
| |
| --'* . ... .* ~-* * * .ANNUNCIATOR WARNING SYSTEMS 6.3 GENERAL SYSTEM CHARACTERISTICS 6.3.1 6.3.1.2 ALARM PARAMETER SELECTION (Cont'd) c. . MULTICHANNEL OR SHARED ALARMS (Cont'd) (2) Where multi-input annunciators must be used, an alarm printout capability should be provided.
| |
| The specifics of the alarm should be printed on an alarm typer with sufficient speed and buffer storage to capture all alarm data. (3) A reflash capability should be provided to allow subsequent alarms to activate the auditory alert mechanism and reflash the *visual tile even though the first alarm may not have been cleared. d. MUL Tl-UNIT ALARMS-Multiple-unit nuclear power plants may contain plant systems that are shared by two or more units. The status of any such equipment should be provided in all control rooms * (1) Alarms for any shared plant systems should be duplicated in all control rooms. (2) When an item of shared equipment is being operated from one control room, a status display or signal should be vided in all other control rooms which could potentially control this equipment.
| |
| 6.3-5 COMPLIANCE CHECKLIST .N/A-Yes No Reference/Comment
| |
| * *
| |
| * ANNUNCIATOR WARNING SYSTEMS 6.3 VISUAL ALARM SUBSYSTEMS
| |
| | |
| ====6.3.3 GUIDELINE====
| |
| | |
| 6.3.3.2 VISUAL ALARM RECOGNITION AND IDENTIFICATION Specific guidelines for visual recognition and identi* fication of alarmed tiles follow: a. FLASHING -The specific tile(s) on an ciator panel should use flashing illumination to indicate an alarm condition.
| |
| : b. FLASH RATE -Flash rates should be from three to five flashes per second with mately equal on and off times. c. FLASHER FAILURE -In case of flasher failure of an alarmed tile, the tile light should illuminate and burn steadily.
| |
| : d. CONTRAST DETECTABILITY -There should be high enough contrast between alarming and steady-on tiles, and between illuminated and non-illuminated tiles, so that operators in a normally illuminated control room have no problem c;iiscriminating alarming, steady-on, and steady-off visual tiles. e. "DARK" ANNUNCJATOR PANELS.:..A "dark" annunciator panel concept should be used. This means that under normal operating conditions no annunciators would be nated; all of .the visual tiles of the annunciator panels would be "dark." f. EXTENDED DURATION If an annunciator tile must be "ON" for an extended period during normal
| |
| * operations (e.g., during equipment repair or replacement), it should be: (1) Distinctively coded for positive nition during this period, and (2) Controlled by administrative procedures.
| |
| 6.3-14 COMPLIANCE CHECKLIST
| |
| *: * .... ******* . : .. *: .... ****** .. :ifI~ < .. :;.) . ... I
| |
| *-~.) *.. ---:-., (./
| |
| * GUIDELINE 6.1.1.3 FURNITURE-AND EQUIPMENT LAYOUT Placement and spacing of equipment depends on control room configuration, manr:iing, and other design features.
| |
| Thus, guidelines are stated in terms of minimum spacing considerations for common equipment arrangements and use situations. tenance and testing of equipment has not been considered, and may require larger clearances than the minimums suggested.
| |
| : a. VIEWING-Desks and consoles placed in the primary operating area should permit operators at those desks and consoles full view of all trol and display panels (including annunciator panels) in the primary operating area (see Exhibit 6.1*2). . 9 'ii L-Shape U-Shape Concentric Wing Exhibit 6.1-2. Control board configurations and desk placements .that facilitate sight and voice con~ . 6.1-3 CONTROL ROOM WORKSPACE
| |
| | |
| ===6.1 GENERAL===
| |
| LAYOUT 6.1.1 COMPLIANCE CHECKLIST j
| |
| * *
| |
| * ANNUNCIATOR WARNING SYSTEMS 6.3 VISUAL ALARM SUBSYSTEMS
| |
| | |
| ====6.3.3 GUIDELINE====
| |
| | |
| 6.3.3.5 VISUAL TILE READABILITY
| |
| : a. DISTA.~CE~The operator should be able to read all the annunciator tiles from the position at the work station where the annunciator acknowledge control is located. (1) Letter height should subtend a minimum visual angle of 15 minutes, or .004 x viewing distance.
| |
| The preferred visual angle is 20 minutes, or .006 x viewing distance.
| |
| (2) Letter height should be identical for all tiles, based on the maximum viewing distance.
| |
| Separate calculations should be made for stand-up and. sit-down work stations.
| |
| : b. TYPE STYLE-The size and style of lettering should meet the following: ( 1) Type styles should be simple. (2) Type styles should be consistent on all visual tiles. (3) Only upper-case type should be used on visual tiles. c. LEGEND CONTRAST-Legends should vide high contrast with the tile background. ( 1) Legends shou Id be engraved.
| |
| (2) Legends should be dark lettering on a
| |
| * light background.
| |
| 6.3-18 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment . . .:*~-. '* *<.1)*! I i I *, .. _/
| |
| * PANEL LAYOUT 6.8 LAYOUT ARRANGEMENT FACTORS 6.8.2 GUIDELINE 6.8.2.4 STANDARDIZATION When a precedent has been established in the arrangement and location of controls and displays, that standard practice should be followed unless other crucial considerations necessitate a change. a. PANEL TO PANEL Standardization should be maintained where similar functions or panels are located at several work stations or units and must be used by the same personnel.
| |
| : b. SIMULATOR-TO-CONTROL ROOM STAN* DARDIZATION-Standardization should be maintained where simulators or procedure trainers are used that simulate the actual operational equipment
| |
| * 6.8-9 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| .:. *
| |
| * GUIDELINE 6.8.1.1 ASSIGNING PANEL CONTENTS Controls and displays should be placed within the control room at locations which promote efficient procedures, safe operation, and maximum operator awareness of the current system condition.
| |
| There are three general methods for achieving this dition. They are: (a) grouping by task sequence, ~b) grouping by system function, and (c) grouping by importance and frequency of use. a. GROUPING BY TASK SEQUENCE-Controls and displays should be assigned to work stations so as to minimize operator movement.
| |
| To the extent practical, this assignment should consider both normal and emergency pro* cedures. It should be practical to perform all frequently occurring routine tasks, and sensitive emergency tasks, with a minimum of human movement from panel to panel. b.
| |
| * GROUPING BY SYSTEM FUNCTION-Within the constraints of grouping by task sequence, controls and displays should be assigned to panels in functional groups related to system structure.
| |
| This grouping should promote easy understanding of the relationship between controls and system, and should assist graphic or pictorial display of system relationships.
| |
| : c. GROUPING BY IMPORTANCE AND QUENCY OF USE-Within the constraints of grouping by task sequence and by system function, controls and displays should be assigned to panels depending on their tance and frequency of use. Controls or displays which are neither important to plant safety nor frequently used should be installed in secondary panel locations.
| |
| 6.8-1 PANEL LAYOUT 6.8 GENERAL PANEL LAYOUT 6.8.1 COMPLIANCE CHECKLIST Reference/Comment II
| |
| ! * \~ :.*:::.. : ... . ,* * ,:** I 1--,** ANNUNCIATOR WARNING SYSTEMS 6.3 GENERAL SYSTEM CHARACTERISTICS
| |
| | |
| ====6.3.1 GUIDELINE====
| |
| | |
| 6.3.1.4 PRJQRI.TIZf.TION
| |
| ... J Because of the large number of annunciators typically found in control rooms and the likelihood that numerous alarms may come in concurrently, some logical prioritization should be applied such that operators can differentiate the most important or serious alarms from less important ones. a. LEVELS OF PRIORITY ( 1) Prioritization should be accomplished using a relatively small (2-4) number of priority levels. (2) Prioritization should be based en a continuum of importance, severity, or need for operator action in one or more dimensions, e.g., likelihood of reactor trip, release of radiation.
| |
| Exhibit 6.3-3 provides an example of prioritization based on three levels of prioritization . FIRST PRIORITY ALARMS
| |
| * Plant shut down (reactor trip, turbine tripl
| |
| * Radiation rele111e
| |
| * Plant conditions which, if not com,cted immediateiv, will result in automatic plant shutdown or l'Bdiation relese, or will require manual plant shutdown.
| |
| SECOND PRIORITY A!,.ARMS
| |
| * Technical specification violations which if not corrected will require plant shutdown
| |
| * Plant conditions which, if not corrected, may lead to pl-;.nt shut down or radiation rele-THIRD PRIORITY ALARMS
| |
| * Plant conditions representing problems (e.g., system
| |
| * degradation) which affect plant operability but which should not lead to plant shutdown, radiation releme, or violation of technical specifications Exhibit 6.3-3. Three-level annunciator prioritization example. 6.3-7 COMPLIANCE CHECKLIST
| |
| ,* _ ... * *** ANNUNCIATOR WARNING SYSTEMS 6.3 GENERAL SYSTEM CHARACTERISTICS
| |
| | |
| ====6.3.1 GUIDELINE====
| |
| | |
| 6.3.1.5 CLEARED ALARMS Alarms that ,bave cleared should initiate an audible signal and activate the alarmed and acknowledged visual tile in some way to provide positive firmation.
| |
| : a. AUDITORY SIGNAL-Cleared alarms should have a dedicated, distinctive . audible signal which should be of finite duration.
| |
| : b. VISUAL SIGNAL-The individual tile should have one of the following: ( 1) A special flash _rate (twice or one-half the normal flash rate is preferred, to allow discrimination), or (2) Reduced brightness, or (3) A special color, consistent with the overall control room color coding scheme, pro-.
| |
| * duced by a differently colored bulb behind the tite. 6.3-9 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment . .. *.**.*
| |
| ** ** ** ANNUNCIATOR WARNING SYSTEM 6.3 OPERATOR RESPONSE SUBSYSTEM
| |
| | |
| ====6.3.4 GUIDELINE====
| |
| | |
| 6.3.4.1 CONTROLS Controls for operator response to the annunciator system 'in'dude silence, acknowledge, reset, and test controls. (See Exhibit 6.3-5.) a. SILENCE ( 1) Each set of operator response controls should include a silence control. (2) It should be possible to silence an auditory alert signal from any set of annunciator response controls in the primary operating area. b. ACKNOWLEDGE (1) A control should be provided to terminate the flashing of a visual tile and have it continue at steady illumination until the alarm is .cleared.
| |
| (2) Acknowledgement should be possible only at the work station where the alarm originated . c. RESET (1) If an automatic cleared alann feature is not provided, a control should be vided to reset the system after an alarm has cleared. (2) The reset control should silence any audible signal indicating clearance and should extinguish tile illumi_nation.
| |
| (3.) The reset control should be effective only -* at the work station for the annunciator panel where the alarm initiated.
| |
| : d. TEST ( 1) A control to test the auditory signal and flashing illumination of all tiles in a panel should be provided.
| |
| (2) Periodic testing of annunciators should be required and controlled by administrative procedure.
| |
| 6.3-20 .' ..... COMPLIANCE CHECKLIST
| |
| .-~ *,.-\ *-.~1 . .... ,: \J
| |
| * ' ' .. --*-*.-. .-.. -., . -ANNUNCIATOR WARNING SYSTEMS 6.3 VISUAL ALARM SUBSYSTEMS
| |
| | |
| ====6.3.3 GUIDELINE====
| |
| | |
| 6.3.3.3 ARRANGEMENT OF VISUAL ALARM -TILES r* ** ..... . ;:\:, *.*, ;** a. MATRIX ORGANIZATION*-
| |
| Visual alarms shou Id be organized as a matrix of visual alarm tiles within each annunciator panel. b. FUNCTIONAL GROUPING-Visual alarm tiles should be grouped by function or system within each annunciator panel. For example, area radiation alarms should be grouped on one panel, not spread throughout the control room. c. LABELING OF AXES ( 1) The vertical and horizontal axes of annunciator panels should be labeled with alphanumerics for ready coordinate designation of a particular visual tile. (2) Coordinate designation is preferred on the
| |
| * left and top sides of the annunciator panel * (3) Letter height for coordinate designation should be consistent with a subtended visual angle of at least 15 minutes as viewed from a central position within the primary operating area. d. PATTERN RECOGNITION-When a panel contains a number of simultaneously illumi* nated visual tiles, pattern recognition can help in diagnosing and mitigating problems.
| |
| Pattern recognition can be facilitated in annunciator panels by meeting the following criteria: ( 1) The number of alarm tiles and the matrix density should be kept low (a maximum of 50 tiles per matrix is suggested).
| |
| (2) Tiles within an annunciator panel matrix should be grouped by subsystem, function, or other logical organization.
| |
| 6.3-15 *:. :"*. '***: . --... . . .. -:, COMPLIANCE CHECKLIST NIA Yes No Reference/Comment
| |
| *.* *: .* ...
| |
| . *~* * -:. ANNUNCIATOR WARNING SYSTEMS 6.3 VISUAL ALARM SUBSYSTEMS
| |
| | |
| ====6.3.3 GUIDELINE====
| |
| | |
| 6.3.3.4 a. b. c. VISUAL TILE LEGENDS . . r ... UNAMBIGUOUS
| |
| -Annunciator visual tile legends should be specific and unambiguous.
| |
| Wording should be in concise, short messages.
| |
| SINGULARITY -Alarms which refer the operator to another, more detailed annunciator panel located outside the primary operating area should be minimized. . SPECIFICITY -Tile legends should address specific conditions; for example, do not use one alarm for HIGH-LOW, PRESSURE.
| |
| : d. ABBREVIATIONS-Abbreviations and nyms should be . consistent With those used elsewhere in the control *room. 6.3-17 . ** .... *. . . COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| ' I ' I I I I I l ; *1 ! i .. -*
| |
| * .... ~,. * \. ANNUNCIATOR WARNING SYSTEMS 6,3 :~. GUIDELINE 6.3.3.5 VISUAL TILE READABILITY
| |
| : a. _o_~STAN9;_-The operator should be able to read all'the annunciator tiles from the position at the work station where the annunciator acknowledge control is located. (1) Letter height should subtend a minimum visual angle of 15 minutes, or .004 x viewing distance.
| |
| The preferred visual angle is 20 minutes, or .006 x viewing distance.
| |
| (2) Letter height should be identical for all tiles, based on the maximum viewing distance.
| |
| Separate calculations should be* made for stand-up and sit-down work stations.
| |
| : b. TYPE STYLE-The size and style of lettering should meet the following: ( 1) Type styles should be simple. (2) Type styles* should be consistent on all visual tiles . (3)
| |
| * Only upper-case type should be used on
| |
| * visual tiles. c. LEGEND CONTRAST-Legends should vide high contrast with the tile background. ( 1) Legends should be engraved.
| |
| (2) Legends should be dark lettering on a light background.
| |
| 6.3-18 :, ... VISUAL ALARM SUBSYSTEMS 6.3.3 .--~--.':} . . *~-COMPLIANCE CHECKLIST N/A Yes No Reference/Comment . -i
| |
| !~ ., _ ..... -~'-.\ *; i'--~~-: : ~./ * ( .*
| |
| * ANNUNCIATOR WARNING SYSTEMS 6.3 VISUAL ALARM SUBSYSTEMS 6.3.3 6.3.3.5 VISUAL TILE READABILITY (Cont'd) d. LE.ITER ... *DIMENSIONS AND Recommended dimensional characteristics of legend lettering and spacing are as follows: ( 1) Stroke-width-to-character-height ratio should be between 1 :6 and 1 :8. (2) Letter width-to-height ratio should be between 1 :1 and 3:5. (3) Numeral width-to-height ratio should be 3:5. (4) Minimum space between characters should be one stroke width. (5) Minimum space between words should be the width of one character.
| |
| (6) Minimum space between lines should be one-half the character height. 6.3-19 COMPLIANCE CHECKLIST
| |
| * *
| |
| * ANNUNCIATOR WARNING SYSTEM 6.3 OPERATOR RESPONSE SUBSYSTEM
| |
| | |
| ====6.3.4 GUIDELINE====
| |
| | |
| 6.3.4. 1 CONTROLS Controls for operator response to the annunciator system include silence, acknowledge, reset, and test controls. (See Exhibit 6.3*5.) a. SILENCE ( 1) Each set of operator response controls should include a silence control. (2) It should be possible to silence an auditory alert signal from any set of annunciator response controls in the primary operating area. b. ACKNOWLEDGE (1) A control should be provided to terminate the flashing of a visual tile and have it continue at steady illumination until the alarm is cleared. (2) Acknowledgement should be possible only at the work station where the alarm originated . c. RESET (1) If an automatic cleared alarm feature is not provided, a control should be vided to reset the system after an alarm has cleared. (2) The reset control should silence any audible signal indicating clearance and should extinguish tile illumination.
| |
| (3) The reset control should be effective only
| |
| * at the work station for the annunciator panel where the alarm initiated.
| |
| : d. TEST (1) A control to test the auditory signal and flashing illumination of all tiles in a panel should be provided.
| |
| (2) Periodic testing of annunciators should be required and controlled by administrative procedure.
| |
| 6.3-20 COMPLIANCE CHECKLIST NIA Yes No Reference/Comment
| |
| .-*~ :.~-; ; *.-~~\ .. *;.!. .. ;. '~:./:,.,).
| |
| \. l;I
| |
| ,.-~. / ~* :-* -.: . ', *
| |
| * ANNUNCIATOR WARNING SYSTEMS 6.3 GENERAL SYSTEM CHARACTERISTICS 6.3.1 6.3.1.2 A_LARM PARAMETER SELECTION (Cont'd) c. MULTICHANNEL OR SHARED ALARMS (Cont'd) (2) Where multi-input annunciators must be used, an alarm printout capability should be provided.
| |
| The specifics of the alarm should be printed on an alarm typer with sufficient speed and buffer storage to capture all alarm data. (3) A reflash capability should be provided to allow subsequent alarms to activate the auditory alert mechanism and reflash the visual tile even though the first alarm may not have been cleared. d. MULTI-UNIT ALARMS-Multiple-unit nuclear power plants may contain plant systems that are shared by two or more units. The status of any such equipment should be provided in all control rooms . ( 1 ) A I arms for any shared plant systems should be duplicated in all control rooms. (2) When an item of shared equipment is being operated from one control room, a status display or signal should be vided in all other control rooms which could potentially control this equipment.
| |
| 6.3-5 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| * -. _,_..,. * -.~: ....... :~------***-
| |
| .. : *--:.::..
| |
| .. ;.* .. :.': ***-.*~.:..~
| |
| ... _,..;:.: .. .. -..........
| |
| * :.. .... GUIDELINE 6.2.2.2 SIGNAL MEANING a. The meaning of each auditory signal should be clear and unambiguous.
| |
| *b. Similar auditory signals must not be dictory in meaning with one another. c. Auditory signals intended to alert the operator to a malfunction or failure must be different from routine signals such as bells, buzzers, and normal operating noises . 6.2-15 COMMUNICATIONS
| |
| | |
| ===6.2 AUDITORY===
| |
| SIGNAL SYSTEMS 6.2.2 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| -
| |
| ** **
| |
| * 6.5.3.1 CHARACTERISTICS AND PROBLEMS OF LIGHT INDICATORS_(Cont'd)
| |
| : c. PRECAUTIONS TO AVOID MISINTERPRE*
| |
| TATION'* ( 1) . System/equipment status shou Id be inferred by illuminated indicators, and never by the absence of illumination.
| |
| (2) Provisions (design or procedural) should be made* to prevent interchanging indicator lenses. d. USE AS ALERTING INDICATORS-Alerting the operators to unfavorable status should be a function of the annunciator system and not assigned to light indicators
| |
| * 6.5-21 N/A VISUAL DISPLAYS 6.5 LIGHT INDICATORS
| |
| | |
| ====6.5.3 COMPLIANCE====
| |
| | |
| CHECKLIST Vn 'No Refllrance/Comment I
| |
| I. I i i ! I * *
| |
| * NUMBER 1-E-0 PURPOSE . VI-RGINil\
| |
| poyµ_ __ SURRY POWER STATION EMERGENCY PROCEDURE PROCEDURE TITLE REACTOR TRIP OR SAFETY INJECTION (Yith 5 Attachments)
| |
| REVISION 7 PAGE 1 of 21 To provide guidance to verify proper response of the automatic protection systems following manual or automatic actuation of Reactor Trip or Safety Injection, to assess plant conditions, and to identify appropriate recovery procedures.
| |
| ENTRY CONDITIONS LEVEL 2 GOMTROLLED ms1R1BUT10N
| |
| : 1) Any of the following symptoms th~t require a reactor trip are present, AND a reactor trip has NOT occurred:
| |
| * Reactor protection system setpoint(s)
| |
| -EXCEEDED
| |
| * Turbine protection system setpoint(s) above P-7 -EXCEEDED 2) Any of the following symptoms that indicate a reactor trip has occurred:
| |
| * Any RED reactor trip first out annunciator
| |
| -LIT
| |
| * Rapid decrease in neutron flux level -INDICATED
| |
| * All shutdown AND control banks -INSERrED
| |
| * All rod bottom lights -LIT
| |
| * Reactor trip AND bypass breakers -OPEN 3) Any Safety Injection system actuation setpoint(s)
| |
| -EXCEEDED 4) Any of the following symptoms that indicate safety injection has occurred:
| |
| -=
| |
| * Any SI first out annunciator
| |
| -LIT
| |
| * UISI pumps -RUNNING 5) Transition from another procedure.
| |
| DATE APPRO~ED CHAI STATION NUCLEAR SAFETY AND ERATING COMMITTEE 1-/~-i"Z.,
| |
| *
| |
| * NUMBER PROCEDURE TITLE REVISION 7 1-E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 3 of 21 STEP ACTION/EXPECTED RESPONSE ...-~~---i RESPONSE NOT OBTAINED t--~~~~~~---.
| |
| [ 3] VERIFY POWER TO AC EMERGENCY BUSES: [ 4] a) AC emergency buses -AT LEAST ONE ENERGIZED b) AC emergency buses -BOTH ENERGIZED CHECK IF SI INITIATED:
| |
| a) Check SI indications:
| |
| ----*~~
| |
| * Safety Injection System Initiated annunciator (A-F-4) -LIT
| |
| * I.HSI pumps a RUNNING b) Manually initiate SI a) Try to restore power to at least one AC emergency bus.** IF power can NOT be restored to at least one AC emergency bus, THEN GO TO l-ECA-0,0, LOSS OF ALL AC.POWER, STcEP 1. b) Do the following for any EDG which has failed to start: 1) Put EDG in EXERCISE.
| |
| : 2) Push START button. 3) Put EDG in AUTO . a) Check if SI is required as indicated by any of the following:
| |
| * Low PRZR pressure,
| |
| * High CTMT pressure,
| |
| * High steamline differential pressure,
| |
| * High steam flow with low Tave or low line pressure.
| |
| IF SI is required, THEN manually initiate.
| |
| !E SI is NQ! required, THEN GO TO l-ES-0.1, REACTOR TRIP RESPONSE, STEP 1.
| |
| /
| |
| * NUMBER PROCEDURE*TITLE REVISION 7 l-E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 6 of 21 STEP ACTION/EXPECTED RESPONSE ----RESPONSE NOT OBTAINED 1---------
| |
| [11] CHECK IF MAIN STEAMLINES SHOULD BE ISOI.ATED:
| |
| __ ..,.IP.., a) Check if ANY of the following annunciators
| |
| -LIT
| |
| * Hi Steam Flow & Lo Steam Pressure OR Lo Tavg (E-F-10)
| |
| * CLS HI-HI Train A (B-C-4)
| |
| * CLS HI-HI Train B (B-C-5) b) Check MSTVs -CLOSED c) Check Hi steam flow SI -ACTUATED d) Verify RYST crosstie valves open
| |
| * l-SI-SOV-102A
| |
| * l-SI-S0V-102B
| |
| * 2-SI-S0V-202A
| |
| * 2-SI-SOV-202B e) Put BOTH RMT mode transfer switches in REFUEL a) GO TO Step 12. b) Manually close valves. c) GO TO Step 12.
| |
| *
| |
| * VIRGINIA PO.,vER COMPANY Page 73 ADMINISTRATIVE CONTROL UPGRADE PROGRAM (ACUP) CROSS REFERENCE INDEX Report Date 04/10/92 NOTE: Check controlled procedure index to determine current procedure status (e.g., approved, deleted etc.) Dlspo Effect Station Proc No Station Pree Title Code ACUP Procedure ACUP P~ure Title Date TmnsHlon Status SU ADM 13 SUADM-0-15 OPERATIONS DEPARTMENT
| |
| -OPERATION, MAINTENANCE ANDTAGGING NUCT..EAR RJEL HANDLING AND ACCOUNTABILITY 2 VPAP-1402 VPAP-1405 OPAP-0010 OPAP-OOH I VPAP-1406 CON'fROLOFEQUIPMENT,, TAG-OUTS, AND TAGS INDEPENDENT VERIFICATION TAG-OUTS SPECIAL ORDER TAG CONTROL CONTROL OF NUCLEAR MATERIAL -----------
| |
| 05/31/90 11-IIS PROCEDURE HAS BEEN REPLACED BY VPAP-1402, VPAP-1405,0PAP-0010, AND 07/01/90 OPAP-0011 05/31/90 04/15/<)l 12/'}fj/89 11-IIS PROCEDURE HAS BEEN REPLACED BY VPAP-1406 IN ITS ENTIRETY
| |
| * *
| |
| * Il.11 CORRECTIVE ACTION EVALUATION CANO.: llE CA DESCRIPI'ION:
| |
| Rescale auxiliary feedwater flow indicators (linear, 0-500 gpm -increments of 10 gpm) EQUIPMENT MARK NO. 1-FW-FI 100 A,B,C Il.11.1 BED REVIEW -ORIGINAL FINDINGS HEDNO. 20A02216 20A02230 23002243 HED No. 20A02216 -Scale range inappropriate, need range expanded. (NUREG-0700, Sections 6.5.1.2.d.1, 6.5.1.2.d.2)
| |
| HED No. 20A02230 -Display output does not allow accurate reading. (NUREG-0700, Section 6.5.1.2.a)
| |
| HED No. 23002243 -Unit value progression (NUREG-0700, Section 6.5.1.5.c)
| |
| Operator interviews and validation surveys determined that the indicator scale range required expansion for an operator to read maximum auxiliary feedwater flow when all AFW pumps are running. The scales of the Unit 1 AFW flow indicators lOOA,B,C are 0-350 gpm (square root). In addition, the existing square root indicator scales make it difficult for operators to obtain accurate flow readings as required by the ER Gs when observing the low end of the indicator scale. The existing scales do not provide the required degree of accuracy for the operator.
| |
| This violates NUREG-0700, sections 6.5.1.2.a and 6.5.1.5.c which requires unit graduations to follow a specific progression or multiple of 10. DC-88-27/28 were prepared to change the range of the steam generator AFW flow indicators from 0-350 gpm (square root) to 0-500 gpm (linear), and replace the existing scales with linear scales in 10 gpm increments.
| |
| Il.11.2 BED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs IRIYES DNO DN/A Auxiliary feedwater flow rate is monitored in several EOPs, examples include l-E-0, l-E-3, 1-FR-Hl, ECAs, ES, etc. Minimum auxiliary feedwater flowrate of 70 gpm is an EOP setpoint (1-ECA-2.1, 1-FR-H.5)
| |
| EPIPs DYES mlNO DN/A Auxiliary feedwater flow indication is not used in the EPIPs. APP.R DYES mlNO DN/A Auxiliary feedwater flow is not required for Appendix R safe shutdown.
| |
| ERF/SPDS ml YES D NO D NIA Auxiliary feedwater flow to the steam generators is in the ERF computer; Point IDs FlFWOOlA, 002A, 003A. VARS01D.B7S-l RG-1.97 mlYES DNO DN/A Auxiliary feedwater flow is variable D21, Category 2. RG-1.97 requires range to be 0-110% of design flow. Design flow is the maximum flow anticipated during normal operation.
| |
| LERs/lOERs DYES ml NO D NIA No LERs/IOERs concerning the monitoring of auxiliary feedwater flow were found. HPES/STA DEV/SOER DYES mlNO DN/A No station deviations or SOERs were found concerning the auxiliary feedwater flow indicators.
| |
| TECH SPEC ITEM ml YES D NO D N/A The operability of the auxiliary feedwater pumps and instrumentation is defined in TS 3.6.D.
| |
| * *
| |
| * 11.11.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The auxiliary feedwater flow indicators are monitored in several EOPs and used to verify minimum design basis auxiliary feedwater flow to SGs during accident conditions.
| |
| The individual auxiliary feedwater flow rate to each SG may vary between approximately 125 gpm to 350 gpm, depending on the number of auxiliary feedwater pumps running. A range of 0-400 gpm, is required due to the pegging of these meters during a start of all three pumps on a safety injection signal. This range also satisfies the RG-1.97 requirement which is 110% of design flow. EOPs 1-ECA-2.1, 1-FR-H.5 and 1-FR-H.1 (continuous action page) requires the operator to maintain a minimum auxiliary feedwater flow rate of 70 gpm to affected SGs or SGs with narrow range level < 9 %
| |
| * The existing indicator scale is difficult to read at low flow rates and determine if this minimum setpoint is satisfied.
| |
| An auxiliary feedwater flow indicator scale with 10 gpm increments would allow the operator to easily determine flow rate. Safety Significance
| |
| -Potential for Error -The auxiliary feedwater flow indicators are safety related and used in several EOPs for accident mitigation.
| |
| The existing square root indicator scale increases the potential for error based on the operator's ability to determine plant conditions/setpoints and process information.
| |
| The potential for error. is high. Consequences of Error -The consequences of not easily reading auxiliary feedwater minimum flow rate is a delay in operator response when confirming auxiliary feedwater flow and not being able to determine the flow rate at the upper range of the scale. 11.
| |
| | |
| ==11.4 CONCLUSION==
| |
| S/RECOMMENDATIONS It is recommended that the auxiliary feedwater flow indicator scales be replaced with a scale having a range of 0-400 gpm. This is based on the importance of this indication and the ability of the operators to determine minimum and maximum auxiliary feedwater flow rates during accident conditions on the existing meters. The DC-88-27 /28 recommended modification included the replacement of the auxiliary feedwater flow transmitters.
| |
| During the CRDR reassessment, the capability of the existing transmitters to support a range of 0-400 gpm was evaluated.
| |
| The existing transmitters are adequate for a maximum range of 0-400 gpm . V ARS01D.B7S-l
| |
| * * * / ...** * \ , ..**... jf ***: 'J-::>:~~
| |
| :::_1_1~:i~~m~~1,~i*{*
| |
| .... :*;-;:.**
| |
| * *. ****: ;'* ******:* J iii:1i:1: 1 fiuiiii!i:-~µmsPmiPR:iiii1!:1:i~:::1::i:miiii 1 m:ii119rrmyt::::m~t~i!ill!i::111!1t1i1:111m1121;Ii:
| |
| 1 1i,::i 1 i 1a--1,--, APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS
| |
| * EOPs/EPIPs ERF/SPDS Q-LIST I RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC, CORRESPONDENCE CHECKLIST D D ref. D D D D D D D D
| |
| * * * \ (\'J~ 0 QJRRY NOTED JAN 2 Q :9ff H.W.8. ASSESS'cHT LASi REIIIEW t£l) hi) TITLE RESPOhSIBILITY STATUS DATE ENS 12/1S/85 If.MW ERROR:* IELAY /ERROR iN D? RESPLINSE, ... PRO!lE'-DESCRIPTION:
| |
| 50f-E RAlc~ TOO WIDE FDR MXlU llIS?J:IYED wues. NEED ~klilli m IIIIKTAIN EllllPIEHT PRCl>ERLY
| |
| * . e700 PA~RAPri HOOIER: 6, 5.1. a. ll, l 6.5.1.~ 1), c: Sll66ESTED BAC,<m: E\/A..UAT~
| |
| FDR APPRDfllHATi:lllESS OF SCHi.E liANBE, REPLACE lilTtl III~ SCfLE. DI~IT10tl:
| |
| ...f RESi>f..:
| |
| lffR t--SN &;)II! -LlN:Ai< lr.CR:ltc~7:;
| |
| -1, 6?!-1, DATA COi.!.ECTIDN DESCRIPTION~
| |
| CODE NiiMBER: TP-5, 1 DlS?i..'IYS
| |
| &L*iM:Y TP-S.2 1/ERIFlCAT!~
| |
| ~D ~lDATI~ REll!ARt<S:
| |
| ?l-f.7l-l4+, lTEll!!:i l~-VEI>: MR:-< ~ER LO:ATl~ ~i rfllll: SYSTE.111 ff NOT llii INV Fli.E t S!JBSYSTE!t!
| |
| -** ~.
| |
| * D~AVS APPENDIX B9 HUMAN ENGINEERING DISCREPANCY (HED) REPORT b) ITEMS INVOLVED:
| |
| c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER: . TP-5.l 1 May 19B3 s~ u-o ~-'1'-"-~J ~. . .0 I . I",;/ A-, _.. A " ;__ I~ --:~-.~-~~ri-*---~-&~~~-~ -t.s-:/.~d(J;~(~)
| |
| d) OAT A COLLECTJON DESCRIPTION AND CODE NUMBER: D''f'-~~ -1P~. !13 l(l.3) T~q.1 &~(t¥Jf {J~ CR' Vo.\\!~lO/\
| |
| --,f' 1.'2 . e) SPECIFIC HUMAN ERROR(s):
| |
| .., I
| |
| ~.;)~' ~D"\~~. B9-l
| |
| **
| |
| * O~AYS APPENDIX B9 HED REPORT (CONTINUED)
| |
| TP-5.l l'May 19B3 v rs Yiu NI n , ;i.. HED NO.: P.;;r -7 / PLANT /UNIT ' f) SUGGESTED BACKF"IT:
| |
| * ~-~~.D,1~ .~ °"'~ ~.~~-~L. ~~~,;.;._~~~
| |
| ~~J.cru~~~-,, \)~*:;-~ g) REVIEW AND DISPOSITION:
| |
| -I r ----'
| |
| * B9-2 r .1. -----------------~-----------* . ..: --____ _, _______ -------------------*-. . . -1 5-~~-c.c~v~_A-D:£~
| |
| 7 -L~vE' . . *. .. _ ---~.t------~ --~_:sof.-t,0_L~~ ,eJ t~ -1~,*~-(;p~~s33
| |
| -O'Y\ S i' OS --* 1 -I---,<-+---------------------------.
| |
| __ --~, <2~1)-$--1io..T
| |
| ~E G-F:'-o V:?S 4-,ru_sz~.
| |
| --~ --~ . =~---
| |
| _ . . __ 3.1 /;EF U EL-J.>lJ;.,-
| |
| ______J)j_A-j~_sn,_g_p, ~£_..J:l,AJ~-
| |
| .1..E;.JI EJ--~ -* ---+'Y>-4.4-~~,a..6t:<!-L-_j
| |
| _z,_~ '!:i_:,,_-=---. _ _hto.,,Jl'-y I , J ., *._. ~.1CAT---T~~;-~~;-L7~~~~r-~.
| |
| _ .. ---~ !J 7 ~--s:_% _______ ~ty-~-~-~~-_s_c~QL-~~-~-~~~-i
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| _ .f"~( .. ; . --:L-~ . / . :/ ------------**
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| -. ------** --------*-**
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| __ __._ __________
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| -------------
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| -/~.&l)J__sJJ.ANJ~~.,,a~-~-~-Q....J--
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| _ _ _ _ ----~ __j5___J__1..,_M . );~ _!_e: lq~ ~--1rP"'-* __ q' ,, _ <.--_ . _ -i v~,V _ U __ < J?-> 'h-__ Jct r-~"'!~~ ~.,_&'!"-1 f" ) f''"' ---_J -7.!_J'K:2~
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| J',*!J;o~i!;~
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| -----wi~-~~-~~~~E"~
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| * 1 .. Rr.=Ac.roA
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| .. ..s.Y..S.L~_p1_f.!3e.~~
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| -~Oc-") ~_e-w-L N Al:{.!)~ f-Jrf &e ~&\=\ c, c 't) \) r . .. . . ... ,, * ...
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| t-1-. -I/ =*~* fl-WST n_,.f~F,J\-11,)gf;._Lo::LSb~~~~-~-~s-
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| : 0. -~ ~~AA~~jp -~ ~JI~~----~----
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| -----_-lfri-l3oA1~____A~l)__:~r:o_g_,i._G>-~
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| -7j4NlL.1.E'Vfl..
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| -l"\..U,.A~_-_.
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| ___ ...,v-...J,,~~~~~~*"'-";;l""""L.-A""""-)J_-=-----------
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| --k--~__;-C~J1;_AJ_~M_E;'IVT S11.MP-__J_EjJ_E_L._~~_J,,_~-=--'f_'6 7_~~~ I . .n * ~---------1~
| |
| _ . _ .. . fS.. ~~L\l~~---==--
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| _ . --__ -11~1~i;;f;;;_-:;;~~:;~~~~ ~P~f-1 * -) 1s:jT,wc __ .t)E'VJAIDN E!:TWU:J\ . Lpa PS .. --:~--~ . **-----:~---
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| ----~--~\~"1c
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| ~O~--5-~~ . ~r.4~\_ t\~~-~.-,\~~J
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| --i--1 -CJ>ll ~~\\1 t'\*l-1~ -eu i.~ . . . _____ ___ _ __ _ _ __ .. ___ z..f };_t}~~~:r.11-AT-10.LY~~o.w
| |
| -_ _Ale\. °-'~~\~ 0-S<<>O __ ~.P-B_ .. ____ l__~ . . add.*-~c\-
| |
| --. ----* -. . ___ JJ!z. SI_ BC,/;YP.1LJ.~A-~K~~~'SY__g£_~----------------
| |
| __ ' .
| |
| . -----*---* -~------------
| |
| ---. ------* ---* -----------* , -. . ... . . -:..-.... . -. --------------------~------. .. . ('\. *, .. ... . _ * .o *. lli .* -*-;* *----* *, -------*-----------------
| |
| ----------*--------
| |
| .. ( ,
| |
| * AfvJ ~\cvJ * ------HED PRIDRITY RECORD ,.,,-r:..
| |
| / . ,,.--. S-HED ' -, I ' . . 1. DOCUMENTED ERROR~ 2. DOCUMENTED UNSAFE -/~ CONDITION OR TECH. SPEC. VIOLATION?" 3. HIGH SAFETY IMPORTANCE . (PAM OR 1E)? NO YES YES ,"o C. ERROR POTENTIAL? , 2 a
| |
| * t(V LOW , @& I 1 2 3 _!__ f row HIGH . C) . *lel) I\.) YU ., CATHl)ftV I *
| |
| :. SURRY UNIT e CODE A TITLE 20Ae2"23e DISPLAY ClJTPIJT DCES NOT Ai..LOw ACCURATE READINS K.Mfl ERROR: DI~Y lNTER~RE,ATJOt,i ERiKlil, Ht PROBLEPI DESCRIPTI~:
| |
| ~SSIENT LAST REVIEW RESPOhSIBlLITY STATUS DATE ENS II -5 87/11/85 ERGS l~ifl{SJ REG READ1"6 r;: 25 (3el 6Pfil FD FI.W TD S6S.EX1ST1Mi 5aLE NJT ICCIJIR:Y, JNTEIMU Till Lo, 8780 PARASRA?rl NOOtR: Ei.S.1,2.A SIJSBESTED BACi<Fil:
| |
| PROVIDE bULE 10 uPtNATDR Tu READ 25 l.3el 6Pfil ~LCM, +tt Dis;iQSITlilh:
| |
| Ri:FEfi TO Pl-71-1'1 12~li>l, RESCA:.i lMillCArOR, DP.TR COLi.ECiION DESCRIPTit,, RttD CODE NIJ!!BE.li:
| |
| TP-9,2 VERIFlCATl[lt,; ~lllA110N REIIIARl<S:
| |
| VI""'6, ERSb: ECl+-2,1, Ffi-tt,5, F~.1, F~.c IIDIS 1111\JLLVED:
| |
| Wli'il", NIJ!J:!Eil LOCATION to,PONtNT tf:IIE . SYST~ FI-FW-2NA FI-Flli-28eB FI-fw-2NC H hl.1T IN INV Fli.£ t ff NOT IN INV FILE* ff NIT IN lHV Fll.E t SUBSYST91
| |
| . . .
| |
| * 1 Mar 1,a, *t~ A.,P£NDJ,C 89 HUMAN £NGJNE:CfUN~
| |
| DlSC:RCPAtCV o,ED) REPORT r, s~r<< 14-sl.. PLANT/UNIT 2.8 A0 .. '2. '2-3D OR.Jt:INATOR:
| |
| _::u..111!.,;.--.l?u,~\
| |
| ..:*..:.~
| |
| +J.* a:c.. .. ---HCD NO.: __:Vt-~~--1fe~---
| |
| VAUOAT£D BV,. _________
| |
| _ DATEs 'f -~-f .£' .* , HEDTITLu :o:5 rkv Oldt f~+ do,:; net BI\Pw r:+,ctdC!~'=*
| |
| J<e.~'l:a . ta) ITEMS INVOL \'£0: 'f'I* 'tw * ~oo . * 'I:-f:"" -2.oo e. -~"" -2.ooc.. ;
| |
| * c}. PROBLEM DCSCfUPTlON AND D7DD PARA. NIJMBCR: (, . S°, I. 2 e,._ £1?<1.. . 1e11.*l.*/
| |
| 1 Fi?~Jl.r, F/?-P./,, FR*?.~ ,~, ... ,..,. re* J,,,1 ° f 8-:S" ('-). i.vl t:", .. J ~low To .... ~"!s, ~,i;~f~ Sc.at k.. do~~ V\o-l -ll,w.1 ~< *~cc~"~+..
| |
| ~c:A cl~ S le. iW\fe.,1111 f, ;c, L, "~-<-,. TW\c~e. wie-,f .s . .,f r; /J/s(', ~""' .._...._ t.o ....,_-. ... tt ...,k~ -:?>o ~P"" iu-lcl rca-.t . II) DA 1 A COLLECTION DCSCfUPTION AN:> coot N.MBERI f)b $tt-'1* i'7o. -"~'f~'"Ct.1'
| |
| +,'I vi. \~-°''~ e) SP£C1t1C HJMAN ERR.OR.Ca):
| |
| 89-1
| |
| ., . **
| |
| * HED NO., _\J ___ r_-.le... c) PROBLEM DCSCRJPTJON AND D7DO PARA. Ni.JMBtR.:
| |
| ~{'o~;~c..
| |
| s~_le... ;-o ~\\ow o~f~~or "To ~'Qd. '"J..S--(.-.a;:! tc.t'"" ~\o..,?, :. 0 B9 .. ta
| |
| *
| |
| * e8/23l8S PAS£ 64 SURRY LJHT 3 CQllE A ASScSSIENT LAST leVIEw l£D NO TITLE * ~S!BL .. m
| |
| * STATUS DATE 23M2243 I.JilT Yft.UE PR06RESSIC1\.
| |
| II -5 88/17/85 KM. ERROR: READIMi ERROR +tt PROBLEM DES::RIPTIO!i:
| |
| SF-i::flt FL.D IND PRu6RiSScS 111 UhllS It 7 r;PK. SLmSSJVE WlUcS lHDir.ATED BY UNIT &RADS &OU PR!:silESS BY IRPIKSl i71W PARA6RAPri NOO£R: 6.5.1. S. C &.16SESTED BAD<FIT: Pt<"~i:D:
| |
| SUt..ES lir.i:iCri lNCf<~t itY UtiiiS C~ 5 * ..,.. DISPOSITIOII:
| |
| REFE~ Tu Pl-71 l~lbl, DATA Cll.l.ECTluN DESC!UP1 !Oh COllE ~!i: TP-9.a VERIFICATION PttD VA~Ia~TI~
| |
| l!EflAro<S:
| |
| VD-08-2!1 PROB DESC: IJ!',j:i'rS 1.2,5,10 Coii trJ ... TF'L: TPII:~. ITEJIIS IWCLVED: l!AilK hi.Jll!B:f<
| |
| LOCHTI~ COl!PQt,le.NT SYS:Elli Fl-fit-2NA Fl-fw-2NB Fl-fit-2NC M hO"i llii JII\I .Fl~ t M NOT lN INV FILE
| |
| * ff hOT IN INV FILE*
| |
| ---------------------------~---
| |
| 17.7
| |
| ,~ HUMAN ENGINEERING OJSCREPANCV (HED) REPORT . . "',i.0 \ 'L,?; t;:,O . .
| |
| * HEo No.: v12-e VALIDA TED B Y:_--i.,t...i-;.:.,¥~:::::;=.----
| |
| DATE: w~41 a) HE:D TITLE: --------~--/.-,"""'ro
| |
| ..... ~-4"""'47....,/
| |
| __ o/'\ __________
| |
| _ b) ITEMS INVOLVED:
| |
| {,Y\ G. 'c.V A'f-w ~u, ,\-~-zooA r r .. ,. . ;.c) PROBLEM DESCRIPTION AND D7DD PARA. NUMBER: (t. S: /, 'J (.) {{, -}..'f-\'./
| |
| JL * ~c),'A j"'r'\t.'..-
| |
| i" c/, 7 &{)J.A. 7vt'7Ql/.( ./~ ,,J,;~,,t r..7 ,u.J--rlk,i,N.L*
| |
| .~Irr)/* p, r-1.~ ~/ ,1.1,,.;j,__
| |
| / I,~; ~, I:;> v{ tw.fl. j.4 fl....,1 d) DAT A COLLECTION DESCRIPTION AND CODE NUMBER: L"'-,~ (c: ,'i t_. _ -rT~ 4t, i e) SPECIF'IC HUMAN ERROR'1):
| |
| ' , ,. / 89-1 m\Jfr,\? w\\e:e.\ ~--21>~ . -(o = . . . I * * *
| |
| * * * -177 APPENDIX 89 HED REPORT (CONTINUED)
| |
| <iJv<r~ T/LNIT 1-£D NO.: YfJ-8 . f) SUGGESTED BACKF'IT:
| |
| g) REVIEW AND DISPOSITION:
| |
| ') n-,,. So--"-P":L-""7 \ -k\.v_\..51..
| |
| \'l Ro.:;. I '-v-6 OV\ ~,-~ ~c.~--T\, f"..._~lt,,~~
| |
| --\\,ll'"'bw\-..J
| |
| .,;,~\ <:)~ ~0-.~ 16 ~( ,~:t \~\:;.Qhl
| |
| *\'<,<. ().S~\"'()
| |
| '(\\lvv,.R.,*{I c.i.& (3\"'j"{"-1,~S.*o-.-.J i~. -~ l '~ , I l ~I~.) \.\-J £1.: *. B9-2
| |
| * .,.,, .. . \ .. ) *** --**. -~. . .. :* *** * .i .. *.,,:* ) \ *... ..... VJRCINIA POWER ' CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION .STATION/UNIT
| |
| __ ._. -* ~0V..v-f"y
| |
| ()YI.if S + J. 2 . MARK NO.*
| |
| * FT-j 00/1, B ,C FT-.). 00 /I, f, C ; 4' ' 7 ; ITEM DESCRIPTION
| |
| /114Kifie rtl Fee./wl)fer
| |
| * Flow I HED NO. fI-7/-/f ;2.. ()Ao -2.2.1,. CHANCE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTION~ -Ch ,;,,,r ti, e ro ny t O .f.' . fl, fJ't /'low .rt.,...;
| |
| 7' h , ,* h 0 -50 0 ~p,-/,,.; ;fL /',,,ea,-S Ca! t1..r-Q"-./i e /J*cr:f-,'o....
| |
| The sc.().ft,.s ,iq !.A(£ r J;v;/~J i*'-10 9 e'-ib-,""('n*J:r
| |
| * * ** :. :.'*** l ** -. * .. *.* -.. -**: -. '" . COMMENTS:
| |
| --------------------------. * ..... ~"' ORICINATOR
| |
| __ E_. _F .... , ___ tl_,_I_/ ___ DATE REVIEWED *,r-2-7-?S .. ,,,' -:{.~*.:*.
| |
| *: .... ,: .. *. . . -. . . . * *-: *:-~ ** : .. z ** * *:r* .** .. _: ... : .... ' . . ....... **: *. . .,_. * ."--r:: .* * . . :.~~~-.c ~~'-**-* -~* *.* t:::~::.*~;;;{;;:1..;
| |
| .. :~;., *. ;~-~,~~~~-~-~~-~:*:.J* ..
| |
| .. ;~~-
| |
| CAllf. GUIDELINE 6.S.1.2 USABILITY OF DISPLAYED VALUES Scales should be graduated and numbered so that readings are related in a direct and practical way to the operator's tasks. a. SCALE SELECTION-Scale units should be consistent with the degree of precision and
| |
| * accuracy needed by the operator.
| |
| : b. ELIMINATION OF OPERATOR*
| |
| CONVER* SION-AII displays should indicate values in a form immediately usable by the operator without requiring mental conversion.
| |
| : c. PERCENTAGE INDICATION-Percentage indi* cation may be used when the parameter is meaningfully reflected by pe~ntage;
| |
| : d. SCALE RANGE-Scales should be selected to: (1) Span the expected range of operational parameters, or (2) Employ appropriate scale ranging tech* niaues. or (3) Be supported by auxiliary wideQrange i nstn.iments.
| |
| : e. SCALE SIZE-Scale ranges may be expanded (or contracted) by multiplying or dividing indicated scale values by powers of ten. All such scales shou Id be clearly marked as to . whether . the indicated values should be multiplied or divided, *and the factor involved (e.g., 10, 100, 1000). f. SENSITIVITY-Display dynamic sensitivity should be selected to minimize the display of normal random variations in equipment performance.
| |
| 6.5-3 VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6.5.1 COMPLIANCE CHECKLIST
| |
| *
| |
| * 6.5.1.5 SCALE MARKING (Cont'd) b. GRADUATION HEIGHT-Graduation heights as a function of viewing distance should be as indicated in Exhibit 6.5-4. VIEWING INDEX HEIGHT DISTANCE (inches) (feet) MAJOR INTERMEDIATE MINOR 1'h or less 0.22 0.16 0.09 3 or less 0.40 0.28 0.17 6 or less 0.78 0.56 0.34 12 or less 1.57 1.12 0.65 20 or less 2.63 1.87 1.13 Exhibit 6.5-4. c *. VALUES INDICATED BY UNIT ATIONS-Successive values indicated by unit graduations should be one of those shown in Exhibit 6.5-5 or those values multiplied by some power of 10. GOOD FAIR 2 3 4 5 2 4 6 8 10 5 10 15 20 25 20 40 60 80 100 10 20 30 40 50 Exhibit 6.5-5. Recommend progression of values (from McCormick, 1976). 6.5-8 VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6;5.1 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| .. *--:-:-.,_
| |
| ; ***.;;.;.*."/
| |
| :5~ /
| |
| *"'** -* -_ .* .. ** NUMBER PROCEDURE TITLE REVISION UNCONTROLLED DEPRESSURIZATION OF ALL STEAM 6 l-ECA-2.1 GENERATORS PAGE 3 of 25 STEP ACTION/EXPECTED RESPONSE 1--~~---4 RESPONSE NOT OBTAINED i--~~~~~~--, * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: A minimum of 105 gpm [168 gpm] feed flow must be maintained to each SG with a narrow range level less than 9% [32%]. ***************************************
| |
| : 2. CONTROL FEED FLOY TO MINIMIZE RCS COOLDOYN:
| |
| a) Check cooldown rate in RCS cold legs -LESS THAN lOO~F/HR b) Check narrow range level in all SGs -LESS THAN 50% c) Check RCS hot leg temperatures
| |
| -STABLE OR DECREASING a) Lower feed flow to 105 gpm [168 gpm] to each SG. GO TO Step 2c. b) Control feed flow to maintain narrow range level less than 50% in all SGs. c) Control feed flow or dump steam to stabilize RCS hot leg temperatures .
| |
| * (* * ( NlMBER PROCEil.iRE TITIB REVISION 2 1-FR-H.5 RESPONSE TO STEAM GENERATOR LOV LEVEL PAGE 3 of 4 STEP ACTION/EXPECTED RESPONSE t--~~"""'""1 RESPONSE NOT OBTAINED
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: AFV flow should NOT be established to any faulted SG that has been isolated unless needed for RCS cooldown.
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * 3. CHECK AFFECTED SG(s) SECONDARY
| |
| --SIDE INTACT: .
| |
| * Pressure in affected SG(s) -STABLE OR INCREASING
| |
| * Pressure in affected SG(s) -GREATER THAN 100 PSIG 4. __ CHECK AFY FLOY TO AFFECTED SG(s) -GREATER THAN _105 GPM [168 GPM] 5. __ CONTINUE FILLING AFFECTED SG(s) UNTIL NARROY RANGE LEVEL GREATER THAN 9% [32%] IF pressure in affected*SG(s) decreasing in uncontrolled manner OR completely depressurized, THEN do the following:
| |
| a) Check affected SG(s) isolated:
| |
| 9 Steamlines 11 Feedlines b) IF affected SG(s) isolated, THEN RETURN TO procedure and step in affect. IF NOT, THEN GO TO l-E-2, FAULTED STEAM GENERATOR ISOLATION, STEP 1.
| |
| * IF affected SG(s) wid~ range level greater than 11% [26%], THEN establish AFY flow to refill affected SG(s). IF affected SG(s) wide range level less than 11% [26%], THEN establish AFY flow to affected SG(s) at a rate NOT to exceed 105 gpm [168 gpm] per SG.
| |
| Dti TE :L / l O /</;,:: ..........
| |
| _ ......................
| |
| -...... _ .... .... .... ... . .. . ..................................
| |
| **-...............
| |
| *-* ..............
| |
| -** ... **-....................
| |
| *-* .............................
| |
| *-* ..................
| |
| -** ..................................
| |
| ,.., ........................
| |
| -** ................
| |
| -** ...........................
| |
| -* ..............
| |
| **-.. -**-...........
| |
| -** ...................
| |
| *-* ..........
| |
| ~-* ... -* ..... -* . l 1::,1) * .. ,,: .. odu,,,.,.,,,,.,,, .. , *n*-**** _,,,,,, .. ,,, .. ,,,,,.,,,,,,,, _,,,., ,,,,,,,,,.,,,.,,,,,,,,,,,, .. ,, .. ,,,,,,,.,,,,, *H ,.,.,,,o,m**0'*'''""''''
| |
| .... ,,, . .,,,.,,,.,,,..,,,,, .. ,, .. ,_..,..,.,,,, .. ,..,.,,.,,,,,,, .. ,,_,.,,.,.,.,.,,00,,, ,.,,,,,,,.,,,.,,,_,,,,, .. ,,,, PO I NT J [I INPUT NUMBI:]::
| |
| Dt1TF lESTEIJ L l N I( S C U H B 1'\ l.. N I M N E I( l.. r, ,., .;;.,,::.
| |
| INS'I h:IJ Rt'\NC:iF UNCtli'N 44 HIOH lNSTFWMFNT RANGE *lb 1 .. 0\i.! IN'.iTl\:LWiFNT Rr'.',Nf;E
| |
| "'"' * "**N **, ,,.. **** ,,,. "'"", ,. N***--* '"''"'" **-********
| |
| ... , , .... ,,,.., -* ,,,. ,,., ,.., , .. , -,-, , ,, .. ., 0 ,,. ,,,, *****-"'' *** """"' ,_. ,,, ******** ,., -* o**ONN or,,,,,..,,, .. w-o *** *** '"'' ,,,,., .. ,,,,_, -** .. ,,,,,,,,.,.,,, ,.,, *** .. ,.,,,,.,.,,., ,, .. ,,. '''"'"' **** .. _,,, "'' , .. ,.,.,_,.,._,,,.
| |
| ''" ,,,,,, .. -*-* 00'" *** **' -* ,,,,, .. , ** ' ... ., ''" ,, .. ,,, _,,.,,,,, .. , *-**-**'" O*O _,,,,. _, .. , *-N*' '-* * ,,,.,, ,. '0 ** ,.,,, .. , .. , *** *** **' ** **-' '' ,.,. PlLViOO?f.1
| |
| :I.EiOl .... OJ.(1 :l.**I..Vi
| |
| +*T** .. lOOi'I T1RG001A 1S0l-02A 1 .. RS-RTD .. *150A T:I.C'.;OOJh
| |
| :1.!:i()J
| |
| .. ,o:xi l"*CG**l;:Tl}*JOOA 1S01-04A l-RC-Fr-1414 F1RC010A 1S01-06A 1-RC-FT-1434 I...JC~:;oOJt1
| |
| :I.GOl .... O'/A :l.**C!:i**Ll*-*1001*~
| |
| L1FW002A 1S01-08A 1-FW-LT .. *Ji71 L1FW006A 1S01-09i'1 1 .. FW*LT-1484 1..1FWO:I.OA 1S0l-*l0A
| |
| .1. .. FH-Ll-1494 T1RC004A :I.S01-11A 1-RC-Tf-1410
| |
| 'f:1.Rl:OObt, 1!:;0t***:1.?l, *1 ... r::c .... Tl*:***l.1 1:1.:::: llRC003A 1Ei01-18A 1-RC-1...1-145?
| |
| F:I.F!1lOOi.i-'1
| |
| :I.DOl* .. :l.*it, l***F~I .. F'!"***:i.OOt, 1SOl-:l.bA l-RC-*F'T-1456 CNTMT IR PRESSURE (RD> <> CNTMT SUMP WTR TEMP (RD) Rl*.!GT TEMF'EJMTllRE (RDi f/CS LDOP t, FUH,,t (F:0) RCS LOOP B FLOW <RD) RCS LOOP r FLOW (RD> RWST LEVEL (RD) <> BG t', NI~ LEVEL HU)) <> SG R NR LEVEL CRDi <> SG C.NR LEVEL (RD) <> 0?****04***f~6 01 ,:)?***04*-!:U, 01 0~~--04* *H6 () 1 LOUP f-l wr;: T COLD mD) <> 0:?***04**~M
| |
| ()1 I ... UDF' ?\ ~,IF{ HOT LEO TEMP *:RD) <> O? .... ();J,{::6 O:L SG AFW fl..OW (RD> 00-00 01 PRES~URIZER NR PRESSURE (RD) 1..:1.u;oo1.,:*, :U30:l.***:l.1*::i:i
| |
| :1.*Cfl**I.
| |
| i'**:1.0:1.
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| F/t:FIH::L.lNE l'!(\Tt:r::
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| C/.)T L.El.!1:L
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| ,:i-::O) 0?***04 .. {M O:l TJI..NOO.lt1
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| :U:iOl .. *l'/i\ :l *!.M*F(il}*.IC*O:!.?
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| CO!'fi(:Ih!M[IH Tl*l*iPEFi:/\TI.JRE (h:D:* .10*-:I.?
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| *:::!U O:l *
| |
| * 1 0:1. :I. ()~? 1 (\';* , ... , :l. (),l 1. 0!5 1 06 :I. ()7 1 ()!;;) 1. 09 :I. :1.0 1 ll .1. :1.:2 :I. :i.3 :I. 1.1\ 1 1!::i :I.* 16 1 :1.7 J. :Ll.:: 1 19 1 .. *0bDC 1-**0bOC 1 ... w;uc 1 *-*0!:iOC 1 .... 0,:*;uc 1 .. *0::iOC 1 ... Obi.IC 1** .. 0l:iDC 1* .. 0bDC 1 ** .. (i:50C 1*-*0bDC 1 **()\:iUC
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| :1.***0!:.il."IC 1 .... ()t50C 1 .... 0!::iDC :L** .. ObDC :L**():'iOC
| |
| :I. , .. ()bl ,c: {if.:,. () ::100. 0 1.!:i() .. 0 1;::0.0 1. :,:'0" <) l?O.O 1.()0 .. 0 :l()(). 0 1.()0 .. 0 100 .. 0 700 .. 0 700. () J. I)() n () 3!.:iO"O ?!:;oo. o ;:'.00. 0 1.bO .. O :1.00 .. 0 400 .. 0 (). 0 F'~Hi': 0" () ULGI' 0 .. 0 Lll:"Gr* () "(l PCT ()" 0 F'CT 0 "() 1:ocT ().. 0 f-'CT 0 .. 0 ,:,i:: r 0 .. 0 1-'CT o .. o PLT () n 0 [IFGF () "0 DEGF (). 0 !"CT o .. 0 !WM 1700.0 P::IIO o .. o l<!IG O .. *O !"!HO ()" 0 F'CT .. ,c, .o llF.UF
| |
| * Dl\lE :I. P(l I NT J [I :L/.1.0/(i';?
| |
| 1*;1*, ,::*,::. JHPUl NUME:EF-: "i :1.r~co~::uh V:i?4***:t4t1 1--:;:c *TF .. *1 1 1G:? T:I.Cll002?, 1~;24 ... Jf:it", :I.* Cl+*n:: ... :J.:J.4::::
| |
| TJCl*IOO:::i'.l
| |
| :1.s?4 .... J61'\ 1 .... ,:,;i-1--.. r[ .... J :1.4() T:1.Ci-100-llP, :1.~l?4***:1.ll1 1 .. CH-.. TL .. **:1.:J.2::::
| |
| F:1.CliOOlf.i 11:*::-:'.4
| |
| .. -:I.Uii :L .. *CS .. *FT .... 100(1 F1RH001A :J.S02*-01A 1-RH-F*r-1605 Tl RI 1001 f-1 rno;;~-.. 02(1 :I. "*W*I*** T[ .... 160{, P1SX002A :LS02-08A
| |
| :L-SI .. *PT-1921 P1Sl006A 1S02-04A 1 .. *Sl-Pl-1929 1.:1.SIOO:?A
| |
| :LS02 .. 05A. 1-SI-*Lr-1920 L1SIOO~A 1S02-06A :J.* .. Sl .. Ll'-1921 L1SC006A 1S02-0J~ 1-SI-LT .. *1928 L1FW004A 1S02-08A 1-FW-Ll-147?
| |
| LtCIIOO?t, :u:;o:>*O?t'.', .L**[Jl .. *LT**l:1.1!:i P1Sl004A 1S02-10A 1-Sl-PT-1925 F:lF~*lOO?(\
| |
| :1.no:~ .. *l:i.l\ :1.-*F!*l**F'f**:l.OOi:;
| |
| M:I.NMOOJA 1S02-:l.2A N42 M1NN008A 1S02-:l.3n N32 M1NM006A 1S02 .. *14A N36
| |
| * f;i.Jb:l'~V 1*,!Uh:FG 1M'/<'.i COMl'*'UTl:1:;:
| |
| lNPl.ll/OUTPUT l..JfiT '.1HLET 1 OF THE 1'*\N(1LOG JNPlH CONIIEN::.iED REPOIH LIM!{, HUl::I.. INf{ *1 Cll<:,h!NEL.
| |
| '.HWT 4 POINT DESCRIPTION PRZR SPY LN LOOP B TEMP (RD> REGEi~ Iii( LDl*l LM THiP <RD) li:EG1*:N HX rn.rru:T TEMP (f.:[I) CNTM1 SPRAY PUMP 1A FL.OH (RD> R[SIOUAL HX BYPASS FLOW CWT) D<HF lESTED l.,O l li2 L J N I ,, *, INSlh:U R<)NGF UNCONV 08-08 .. *90 01 2 14 1-0bOC 08-08**90 01 2 15 1-0BDC os--0::: ... 90 01 :;.*. 1,.s :1.-.. 0!:,nc 08-08-90 01 2 :J.7 1-05DC 08-08**90 01 2 18 RMRKSE 01-08 .. *86 01 3 01 1-050C W IR H:{ OUlL.ET TEMPER/.'ffl.lli'.E rnn () 1 **0G**IJ6 01 ::l o:t 1 ***0bDC ACCI.IN T r~,NJ*: 1 PREBSURE (!,IT) ,;CCIJi'1 lUUYfDf*;:
| |
| Tl'1NI( 1 LEl)F.l. rnr:i ,~CCUMULA TOR T i'il'll( 2 UJ,lE'L (If!'> t1CClli*lUL.1Yr1:m T:'\N)( B l..[l)EL (~In SG A WR LEVEL CWT> <> 0:1.-08-86 01 3 03 1-050C <:i'.l. **08 *86 1) :L ::: 04 1 ***051:tC 01-08*86 01 3 05 :L-050C OJ-09* .. 86 01 3 06 1-05DC 01-09**86 01 3 07 1-05DC Wil...llME co; .. n1;:D1. TM*II( L.El)IJ_ (\*IT) Ol-.. 09*F:(, ,:)1 ::1 09 :L*-*O\:iOC SG 8 AFW FL.OW !WT) NLIJfF:Dr*l ll.UX f;r:: f..ElH:l.
| |
| (!.-!T) N:C:UlliD/,1 I'* U.J>! H~ 1..E'.lEI..
| |
| (1 1.IT:,
| |
| * 01 * .. 0'7'* *:::!6 0 :L '.:: 10 1 .... 0bl.JC 00-00 01 3 1:1. :1.-0GDC 10-08**86 01 3 12 0-0GLJC t0-?2*-86 01 3 :1.3 0-050[: J0-22**86 01 3 14 0-0bLJC HIGH lNSTFWMENT RANGE 600. () :~ ()(). () ,.SOO. () 600.0 400. (i 800.0 f::00. 0 100.0 1. 00. 0 100 .. 0 100. 0 100 .. 0 f::l()().()
| |
| ,3!'::o. o 1?0.0 6 .. 0 LUM Il*~~\Tlil.JHENT Rr''1NDF F * *. I r:>l'WH UN i TS 1. 00 .. 0 Dl::i:iF l 00. 0 DFGI* JOO .. 0 Ul:.GF 0.0 (il*'l"i 0 .. 0 13PM bO. 0 [IFGl* o .. o r*:nc 0.0 l**SIG 0 .. 0 F'CT 0. 0 l**i:T o.o r*n o .. o r-*cr o .. o r*n o .. o ::-::au 0 .. 0 bf'M 0 .. 0 PCT 0 .. 0 1.!JGCPG *-* 11. .. 0 I. OGi\MP
| |
| * U1YI L :1./.1.0/i)/
| |
| m.1:.:I(/
| |
| 1-,IUh:EG 0,.~?,'.i CUMPt.n:.::r~
| |
| lNPI.J"I /01..Jf-:-"U i L :1si 13HLFT 1. OF Tl-IE 1'-\Ni\LOG" JNF'Ul CONUEN13ED Fi:l:'.PORT LINK~su8LINK,CHANNEL SORT F'i\GI:: .. , l -* .... -* .. *-* ....... -* .... *-*--** ******* -** .... **-.............................
| |
| '"' -*. .. ... .. . .... .... .. . .... .... .... .... . . ...........................
| |
| -* ............
| |
| -* -** ...... *-* ...........................
| |
| -..........................
| |
| *-* ....... -* ...........................
| |
| '"' ..................
| |
| -* ......................
| |
| -* .............
| |
| *-* ... -.......................
| |
| **-...........
| |
| *-........................................................
| |
| **-.. l f:)1'.i , .... . 4 nt=* i:., ... 1 .... .... *-..............
| |
| *-*. . _,, ....... --.... **-.... .. .. ..........
| |
| *-* ., ..................
| |
| -..... -.. .... .... .._ ...............
| |
| *-* .......................
| |
| --******** ........ --*-* ............
| |
| ******* -.... *-.... .... .... . . **-........ **-.......... . P1:1INT :([I lNPUT NUME:EI::
| |
| INf>Tl,'.l./ViFt-.!T
| |
| /!i{1RI< NUME:[I::
| |
| POINT DESCRIPTION Dt1TF *1-E!iTLD L . l N I( S C U l*I B t1 L. I~ I N M F K L. ':) .*-., ...,, .. INSlh:I.J RhNOF UNCONV 'l I-IIOH lNSTRIJMENT Rt~NGE ill., I OM. IWnTi:Ul<iFNl Rt'\NGE ~-*** t nwR I.IN) r::; ........ -..............
| |
| --.............
| |
| -** .... --.............
| |
| *-*. .. ..................
| |
| --..................
| |
| -* ...............
| |
| --.............
| |
| *-* .... -* ...............
| |
| --... **-..........
| |
| *-* *-* ....... -**** ........ -**-*... *-*-* ..................
| |
| -* ...........
| |
| *-* ....... -*-**-...... -* .... *-...... -*-* -* ....... -** ... *-* .... *---...............
| |
| *-* .... --... ---**-....... -...................
| |
| --................
| |
| ' *-* .. . F1SW003A :I.S20-19A 1-SW-FT-106C F1SW004A 1S20*-20A 1-SW-Ff-*1060 F1SW006A 1S20-21A l**SW-Fl--:1.058 P1S1001A lS05-01A 1-SI-PT-1928 P1Sl003A 1S05-02n 1*-SI-Pl-1921 P1S1005A 1S05-03A :I.-SI-P.f-1931 L.1SI001A lS05-04A l-SI-Ll-1922 L..1Bl00!:ih lbO!".i*-*O!:;t, 1. ***SI ***L*r ***:I. '??6 1S05-06A l-SI-Ll--:1.980 F1FW008A 1S05-07A :1.--rw--FT-*lOOC 1...:1.FWOOSA
| |
| :I.S05-10A 1.-FW*-Ll-1487 1..:1.Cl-lOO:LP, 1Fi0!5-**1
| |
| :i.f'1 :l.***CH*
| |
| LT**:I. :I. :l? F:I.RCOO?h
| |
| :U:;O!::i***l?i't l**!i:C***-FT**l'/6'.:-'
| |
| FJ!;il004h M :I. NMOO :I 1-) :1.bO!::i***:L::Jl*, 1***1::C****FT***J96i::
| |
| lS05-11A :l.-81-Fl-1933 l ::i O':i** *:I.{,(\ 1 **SI ***F *,* .... J '/If._(,
| |
| * SI>-! Fl.DI'.! FROM r.:n HX 1C CNU Ei!,*I FL.01*1 Fi;:OM l::B HX .1.D (i'IL) SI*! IIDl'i: B Fl . .!m TO fi''-1 .,, HX (NI...) t-,CCUill T1'.1Nl( :I. F'l"~EBSl.lRE mu ACCUl 1 i TAN:-:: ? :-*f~ESSI.JRE
| |
| <BL*:, ,;cc1.1M Ti-'1i'-lli
| |
| ~:; F'REDSURE
| |
| ([:L.) ?iCCUMUI...A
| |
| 'l'OR Tt1NI< 1 LE~)EI .. (E:I.. :, ,;1:ClfrlLJL.,~,TOR T/'.',NI<
| |
| 2 LE~.'IJ. WI .. .:> ACCUNUI ... ATOR rn1-H( a L[!)EI.. m, .. :* 00-00 01 6 19 1-0GOC 00-00 01 6 20 l-05DC 00-00 01 6 21 1-0GOC 10-12-*90 01 7 01 1-050C .I 0-*1~~ *'/0 01 7 o:~ 1***0!:il.lC to-* :I.;;::. 90 01 7 O:~ l .. **O!:iOC 10-12*90 01 7 04 1-0GOC 10-12-*90 01 J 05 l-050C 10-12-90 01 7 06 1-0bUC BG t:: t,F~I fl .. O!tJ ( E:U 00-**00 01 7 07 :l. *** O!:iOC CHARGING L.OOP FLOW <BL> 10-12-*90 01 7 08 l-05DC 1:;:cs ,._., COLO LEB BT FLlirl rnu li)-1;2-';ili) 01 7 Wt l***OGOC GO i:'.: l~h: U.JJEL WI...> <> JO**'J:,~---i;>()
| |
| 01 7 10 :1.****0bUC l,'UI ... UME CONTROi. T hNI{ LE:l.Jl-:1.. (E:I .. ) to-** l 2* *90 01 7 LL l **{>!5UC RCS 8 CDL.LJ LEG SI FLOW (Bl) ,~u;; r* C:01..0 I..El1 GI FI ... O!s! <BL) 10-12*90 01 7 13 1-0GOC F~CS LOOP i\ HOT LLD HJ Fl..01*! (Hl) 10--J?* .(;JO 01 7 :l4 l****(H:iUC "i.0-*:I.~:?-*
| |
| '}() (l:l 1...11!'.i:t F'1"iP F: DI'.*:CII HDI;;: r:"LO~l (l*.!I.) :1 O***:l.:?--*i.J()
| |
| C*:l * ... , t j F *****' :I.IS O***O!A)C
| |
| :l ****0!:,[1C:
| |
| 80 ()(i. 0 ::?,()()(). (l 1600().()
| |
| 800. 0 800 .. 0 800.0 100.0 100.0 100 .. () 3!50.0 1!:iO. 0 l,00. 0 100 .. (i 100.0 6()() n C, 600. 0 ,.soo.o l?O.O 0 .. 0 C> .. 0 (). () 0 .. 0 () .. 0 () "0 0 .. 0 (). () (). () () .. () (). 0 0" () () .. 0 ()" () 0 .. (1 () ., 0 0 .. 0 0" (i () .. ()
| |
| * u:-*l<i l:iF'M (;f-*M F''.;Jh :*i; I fi p~;rn 1-'CT l'l::l F'CT ,:;pi,! UF'M !WM r*cr F'l:T iii*'M l*ii"'M f il*'iti i-*1'*1 ,:,:*i,j 11 + // A 1Fac r.,vt e_;, 1 /
| |
| * Memorandum
| |
| * ~;* # * *-' ,.7c 2. !1"1-Je,._/lkJ'-'1'"'
| |
| J From I 5..ibjeCl'I icccotz.JJe,e I F.1.al,.J J~i>"~r~1t.
| |
| ,-,f ()D1r1c~~~A.J~
| |
| z:., SJ u PJ. 4 /C:J.~~I pw' * . J..t+e ,J: u.,,.;_ CA11.e~ .y~ .. I {b:-r k, Jt~ .J'(~ .-/ /1f I al. ' -o
| |
| * r;c(f=' --46+1 -4 .IJ k. s/7 s c-t.
| |
| * FlNAl DRAFT
| |
| * \.._....--
| |
| * £0'd ll:llOl ! 3 2 1 500 400 300 ; I() GPM pl') 0
| |
| * co 200 100 WESCHLER ;iX-252 INDICATOR REPLACE; DIAL CARO EXISTING 1..ASELS INDICATOR ON 'THE F'OLLOWINO ON INOIC.A TO~ L.OCA TION INOICA TORS AS SHOWN (NO CHANGE) AUX S'IM OEN 1 A VE~T. eo. F'D WTR FlOW ,-2 1-FW-F'l-100A AUX S'TlJ GEN 19 V£Ri. BD. ro WTR FLOW 1-2 1-FW-F'l-iOOB
| |
| .4.UX SŽ G£N 1C VERT. ao. F"D W1R F'LOW 1-2 1-FW-Fl-,ooc N91E$ 1. LINEA~ SCAL£. 2. SIZE or NUMBERS t.'IINIMUMJ GOTHIC FONT HEtGHi*:J/1&
| |
| 1\ W1DTH='7 /e4*, iHICKNESS=0.025" SIZE Of UTTERS MlNIMUM (CAF'S ONLY). GOTHIC F'ONT MEJGMT=J/1~*, WICTH=7 /64''. THlCKNESS=0.025".
| |
| : 3. GRAOJJA TION LINE: SI ZE:S: MAJOR -L£NCiH=1
| |
| /4*, WlDTHm0.040" INITRM£01A T[ -LENCTH=l/1s*, WIDTH--0.030" Mlt\lOR -L.£NOT~ ... , 1a*. WIC)Ti-.-o.o, 5* .,..__.. 4. AL.L ENGRAVING SHALL BE IN ACCORDANCE WITH STO-GN-OOJo.
| |
| : 5. POINTER !S RED. 0 l 2 3 l,,i1,,,I11,111,L1i1i11I INCHES SCAI.E: FULL SIZE NON SAFETY RELATED SWEC 14937. 70 DC-88-27-1 F'ULL StZE INDICATOR SURRY POWER ST A Tl ON U~IT NO. 1 VIRGINI.A.
| |
| POWER I I I STONE & WEBSTER ENGrNE:ERrNG CORP. owe. S8827-1-E-4204 REV O !JJ NO. t BOSTON, MASS £0'd so~~r1 A~~ns 01
| |
| * *
| |
| * 11.12 CORRECTIVE ACTION EVALUATION CA NO.: 12E CA DESCRIPTION:
| |
| Redesign Permissive Status Lights to ensure consistency in terms of messages, illumination sequence, location and arrangement.
| |
| EQUIPMENT MARK NO. Various permissive, status, bypass lights 11.12.1 BED REVIEW -ORIGINAL FINDINGS HEDNO. 20A02303 22A02308 20A02315 20A01313 HED No. 20A02303 -Permissive status light indications are inconsistent. (NUREG-0700, Section 6.5.3.1.c)
| |
| HED No. 20A02315 -System/equipment status is inferred by indicator light being off. (NUREG-0700, Section 6.5.3.1.c)
| |
| HED No. 22A02308 -Legend message contains more than three lines of text. (NUREG-0700, Sections 6.5.3.3.b.5 and 6.6.4.2.d.3)
| |
| HED No. 20A01313 -Incomplete standardization among panels of Unit 1/2. (NUREG-0700, Section 6.8.2.4.a)
| |
| SEE A'ITACHED PAGE 11.12.1 continued 11.12.2 HED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs DYES IXINO ON/A The permissive status lights are used in EOPs (i.e., 1-ES-0.2).
| |
| The permissives are also utilized in OPs particularly*
| |
| during plant startup and shutdown.
| |
| EPIPs 0 YES IXI NO O NIA The permissive/status lights are not described in the EPIPs. APP.R DYES IXI NO D NIA The permissive status lights do not impact the Station's compliance with Appendix "R" to lOCFRSO. ERF/SPDS DYES lxlNO DN/A The permissive status lights are not related to ERF/SPDS.
| |
| VARS01E.B7S-1 RG-1.97 DYES IXINO ON/A The permissive status lights are not used for RG-1.97 purposes.
| |
| LERs/lOERs DYES IXINO ON/A No LER.s/IOERs were found concerning the permissive/
| |
| status lights, however, during the original CRDR it was reported that the plant had been tripped erroneously due to existing displays.
| |
| HPES/STA DEV/SOER DYES lxlNO DN/A No station deviations or SOERs were identified regarding the permissive, status, or bypass lights. TECH SPEC ITEM DYES Ix! NO D NIA The permissive/status lights are not Technical Specification components.
| |
| * *
| |
| * 11.12.1 HED REVIEW -ORIGINAL FINDINGS (Cont'd) During the original CRDR display and labeling surveys, it was determined that the status lights do not follow a consistent pattern of desired status (some lights are illuminated, while others are oft). The permissive lights contain more than three lines of text which may result in operator delay or response in reading the description.
| |
| The arrangement of status lights between Unit 1/Unit 2 panels is nonstandardized and may possibly cause confusion to operators.
| |
| DC-90-04/05 would implement the following:
| |
| For trip, bypass, and permissive status lights on the Main Control Room Vertical Board 1-2, redesign lamp sequence such that lamps are
| |
| * on to indicate abnormal conditions and extinguished to indicate normal conditions during on-line plant operation.
| |
| Also, rearrange the trip, bypass, and permissive status light* windows to provide a sequence that extinguishes the lamps from top to bottom as the unit ascends from refueling shutdown to power operation.
| |
| In addition, new re-engraved lenses would be installed . V ARS01E.B7S-l -i
| |
| * *
| |
| * 11.12.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE Although the current trip, bypass, and permissive status light are not sequenced, emergency and operating procedures state whether the status lights should be illuminated or dark, operators are trained on the existing configuration.
| |
| The engraving on several status lights is not consistent and new engraved light lenses should be installed.
| |
| Safety Significance The permissives are nonsafety related components, however, during the CRDR previously performed, operators reported it was difficult to read engraving and have subsequently tripped the plant due to error. Potential for Error The potential for error is high if the labeling of status lights is not clear and if the operator has difficulty in his ability to read the associated display. Consequences of Error -The consequences of error would be the potential misoperation of system controls.
| |
| Automatic protective fel!tures are available to compensate for this error . 11.
| |
| | |
| ==12.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the above information and subsequent reviews, it has been determined that approximately fifteen status light windows should be engraved using consistent nomenclature as specified in the EOP/OPs. The re-engraving of the status lights will reduce the potential for operators to misinterpret the information presented on the status light lens. The CRDR reassessment has determined that the engraving on the Unit 1 and Unit 2 permissive status are consistent, therefore HED 20A01313 is closed . V ARS01E.B7S-l
| |
| * *
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION I NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D I D D D D D D D D D
| |
| * :. SURRY TITLE 20Ae2383 PERlll1SSIIJ£ STATlJS LISHT INDICATIONS ARE JNCONS!STENi, K.M-. ERROR: IIAY CAt.6E DAl!A6:. TO SYSTEIII ~Y/ERROii lN ~AATDR ... PROBLE~ DESCRIPTlul\:
| |
| c,o, IS C. C.A I'-. e. 10/7/86 '3: ). ( ~--88/cl/85 l3 NOTED .i AN 2 ') 19~~ H.W.B. A.SSESSIENT LAST REVIEW IIESPOhSlBILITV STATUS DATE Il -s 88/@7/85 StJiltE STATUS LI6HTS INDICATE DESIRED STATLIS IIEN Ll6HTS ARE ILLIJ!lNATED, DTtERS lt£N TtEY ARE OFF, S7~ PARAGRAP!i Nlt!EcR: D,5,3.1,C Si.:36ESTED BRC!<FIT:
| |
| Il:.'"TER'-l~
| |
| ll!OST AilvAtiTAai:M COHIIITIONS FO~ Ci< 1,ii:RSIJNN8.
| |
| FOR VEiilFICATI~
| |
| Dr STATLIS AND USE IIWSISTENTLY TttRUOIJT, ++t DISPOS:TIOII:
| |
| J STuDV/ft:-DES16h 1u E.~bllllt CC..SISTl:Nl.1, lh TEkPlli OF lU.L"'IL.Wi OF L.TS ARE COR~, l.E., PERICS IH PERIi IREIIARKSl ilATA CiilECTIDN DESCRIPT.il)i ir4D CODE NNEk: TP-5,1 Dl~L'IYS Si.lRY:V DCl&t\Wt, =~* Pl-t69 R:-i:YAi.UATE AF1:il SfUllY IPJ-t,91
| |
| * IT~.B l~Y&.J£D:
| |
| Mil~ NU!!~ER L.OCIIHON
| |
| ~ONt.NT b'YIFElli PERl'IISSIYES ff Fili lN *1NY Fla.! t SLIBSVSTEPI
| |
| .'.. !. DISPLAYS APPENDIX 89 TP-5.l l May 1983
| |
| * HUMAN ENGINEERING DISCREPANCY (HEO) REPORT * ; D? . o'~ s v e rev lu/11 u;,,s t 1 .l "2,.0 r>-PLANT UNIT
| |
| * ORIGINATOR:
| |
| f).,4,, .. 0 ) Ili HO) NO.: pr. -6 . VALIDATO)BY: DATE: ~-/ in!y a)HEOT~TLE: . ** St:i&r,.a~ (k'.\6, I b) ITEMS INVDL VEO: f~~~~(,}2-e) SPECIF"JC HUMAN ERROR(s):
| |
| * B9-l
| |
| ~*
| |
| * DISPLAYS APPENDIX B9 HED REPORT (CONTINUED)
| |
| !u1<,?,V(\J1JtTS I*~ 6 -PLANT/UNIT TP-5 .. l l May 198) HED NO.: PI-b g) REVIEW AND DISPOSITION:
| |
| ._. -';)lrv-.~
| |
| t\ rt~\ \ >'\ ...\-1) ~wt. C Cl>'\\\ l ~' l
| |
| * B9-2 .
| |
| (* * *' *** HED PRIORITY .RECORD I HED' (.pq 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?.
| |
| : 3. HIGH SAFETY IMPORTANCE.
| |
| NO . (PAM OR 1E)? 4. ERROR POTENTIAL?
| |
| __L_ 2 LOW 5. CONSEQUENCE OF ERROR: 1 2 caw s::ATEDOIIY I NO 1K) YES YES a .. _i_ 0 ,,-l_!/ HIGH 3 5 -L. HIGH
| |
| * (. lt:ISESS!L'i.1-:
| |
| TITLE RESPONSIBILITY STArus i, ~-2-3-lS -SY-S-/E_lll.l_I_P
| |
| _S-lA-TUS_I_S_l_NFE_RRED--BY-lt1D-lCA_T_O_R -L.-ISH-:T-BE-1116-IFF-.---
| |
| --~-----III-9 lt.M ERPCOR: cJ\)G ERll'JRS lh OP RESPONSE FRQII ER!IOIIEOUS RS&Jl!PTIOIIS OF iJ!JflT STATIJS DUE TO lllRNcD OJT BIUS, fff PRDEl..BI DESCRIPTI~:
| |
| fft SYST~/EM?IENT STATUS IS 1,-.""ERi!ED BY INDICAT[)R LI611i BE1fl6 !FF INSTEAD IL.W(I~TED.
| |
| 07~ ~RAS~ NilUiEII:
| |
| D.5, 3.1, C SU66ESTED BAD<FIT: . Ev~ .. :JPiE CONSEif.F.1;::s
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| ~vJ "f\ E ST \ .. r~ (3\1) "tsK rt*,t, f> -J .\"t L\ -y (: \/ "£ME'2..G--
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| * t. P -{.{£ F -\ '6 -r l-* t?.</ v~,-r / -0 t -C.\-\ \ LL c..c. ff t ts !)\~ C. l~ L!) f e£Sj -~N ~All'r \-C. 0 .... T):-l E H l -LC> L,\J L.* ---t:J,,v vPir / SL AN ):_. '""' t/,..,.,,.
| |
| * I ... . .VIRCINIA POWER HED NO. /.-1..J -..:. i~ r; 2 0,4 ~-/JD 7 **
| |
| * CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION STAT ION /UN IT ___ S ____ v_ .. _.,,_,y ___ u __
| |
| * _n _; __ +_1 ______ _ MARK NO. -------------------
| |
| 1 TE MD ES CR IP TIO N Trip, Bu/Jv[5 B ferY"J;S.ri.1.-
| |
| Sia.fv.r L;rldr r 1 1 r
| |
| * CHANCE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS)
| |
| /l r: r::o n a (j n i -f
| |
| * 2 s ,I-0 -f-u. .J' L. i c: L1 s f o e f j, .e V : .* __________
| |
| _ COMMENTS:
| |
| -------------------------
| |
| 0R1G1NAT0R_*
| |
| __ B_. _F_. __ /j __ ; __ /_/ ___ oATE REv1eweD __ 1 .... __ J_o_-~?_£'
| |
| __ _ * '-... .*
| |
| *** 6.5.3.1 c. CA\2t CHARACTERISTICS AND PROBLEMS OF LIGHT INDICATORS (Cont'd) PRECAUTIONS TO AVOID MISINTERPRE*
| |
| TATION * ( 1) System/equipment status should be inferred by illuminated indicators, and never by the absence of illumination.
| |
| (2) Provisions (design or procedural) should be made* to prevent interchanging indicator lenses. d. USE AS ALERTING INDICATORS-Alerting the operators to unfavorable status should be a function of the arinunciator system and not assigned to light indicators
| |
| * 6.5-21 VISUAL DISPLAYS 6.5 LIGHT INDICATORS
| |
| | |
| ====6.5.3 COMPLIANCE====
| |
| | |
| CHECKLIST NIA Yes 'No Reference/Comment . I I
| |
| * * *
| |
| * 6.5.3.3 DESIGN AND USE OF LEGEND LIGHT INDICATORS (Cont'd) t:*. LEGEND DESIGN ( 1) General legend design should be consistent throughout the control room. (2) Lettering should be simple, and should* follow Guideline 6.5.1.3 for style and size. (3) Symbolic legends should be clear and
| |
| * unambiguous as to their meaning; (4) Text should be short, concise, and unambiguous.
| |
| (5) Legend messages should contain no more than three lines of text. / (6) Nomenclature and abbreviations should be standard, and consistent with usage throughout the control room and in the CA 12 E. procedures.
| |
| (7) Legends should be worded to tell the status indicated by glowing of the light. c. DISTINGUISHABIUTY FROM LEGEND PUSHBUTTONS-1 lluminated legend indicators should be readily distinguishable from legend pushbuttons by form, size, or other factors. d. COLOR CODING-The co}or of the legend background under transillumination should conform to the general color code established for the control room. (See Guideline 6.5.1.6.)
| |
| 6.5-24 ... *, ..... ~** -. . . . . .. . .........
| |
| *. N/A I VISUAL DISPLAYS 6.5 LIGHT INDICATORS
| |
| | |
| ====6.5.3 COMPLIANCE====
| |
| | |
| CHECKLIST Vn No Reference/Comment I I I I J i I I I I I I I I .. I I I I ! i I ! i I I I *~ . '* ;i *. ,. \
| |
| " ---~. GUIDELINE 6.6.4.2 STYLE Recommended character styles are shown in Exhibits 6.5-1 and 6.5*2. a. CHARACTER SELECTION (1) Labels
| |
| * should be prepared in ~pital letters. (2) The design of letters and numerals should be simple and without flourishes or serifs *. b. CHARACTER WIDTH ( 1) Letter width-to-height ratio should be between 1 :1 and 3:5. (2) Numeral width-to-height ratio should be 3:5 except for the numeral "4" which should be one stroke width wider and the
| |
| * numeral "1" which should be one stroke in width *. c. STROKE WIDTH-Stroke width-to-charac.ter height ratio should be between 1 :6 and 1 :8. d. SPACING (1) The minimum space between characters should be one stroke width. (2) The minimum space between words should be one character width. * (3) The minimum space between lines should f LABELS AND LOCATION AIDS 6.6 LABEL LETTERING
| |
| | |
| ====6.6.4 COMPLIANCE====
| |
| | |
| CHECKLIST 1----t---+--+-----------, be one-half of the charact~r height. I '----.____._
| |
| _ _,__ _______ --i -l L-Prl2E. 6.6-21
| |
| * \ ,. *=--~-----. . * '-..: ** ;.* *.* *.!._ * * .*.* :: .. : *. ** ..:***=***
| |
| *. *-*-**-... -*. ' .. . ... . -........ .,;, .-... -. . PANEL LAYOUT 6.8 LAYOUTARRANGEMENTFACTORS 6~2 GUIDELINE 6.8.2.4 STANDARDIZATION
| |
| ' \. When a precedent has been established in the arrangement and location of controls and displays, that standard practice should be followed unless other crucial considerations necessitate a change. a. PANEL TO PANEL Standardization should be maintained where similar functions or panels are located at several work stations or units and must be used by the same personnel.
| |
| : b. SIMULATOR-TO-CONTROL ROOM DARDIZATION-Standardization should be maintained where simulators or procedure trainers are used that simulate the actual operational equipment.
| |
| \ . \ 6.8-9 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment I NUMBER PROCEDURE TITLE REVISION 5 l-ES-0.2 NATURAL CIRCULATION COOLDOWN PAGE 6 of 14 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION:
| |
| * On natural circulation, RTD bypass temperatures and associated interlocks will be inaccurate.
| |
| * SI actuation circuits will automatically unblock if PRZR pressure increases to greater than 2000 psig or RCS Tave increases above 543°F. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * 9. BLOCK HI .STM FLOW LO TAVG SI: a) Turn both HI STM FLOW & LO TAVG OR LP switches to block b) Verify Permissive Status light F-1 -LIT 10. DEPRESSURIZE RCS T0.1950 PSIG: a) Check letdown -IN SERVICE b) Use auxiliary spray c) Turn off PRZR heaters as necessary b) RETURN TO Step 7. a) Try to establish letdown. IF letdown can NOT be established, THEN use one PRZR PORV. GO TO Step 11. <. i" ! l ii u i .. NUMBER PROCEDURE TITLE REVISION 5 l-ES-0.2 NATURAL CIRCUIATION COOLDOWN PAGE 7 of 14 STEP ACTION/EXPECTED RESPONSE 1--~~---1 RESPONSE NOT OBTAINED t--~~~~~~--.
| |
| : 11. BLOCK LO PRZR PRESSURE SI: a) Verify Permissive Status iight C-3 -LIT b) Turn both LO PRZR PRESS & STM HDR/LINE .6.P switches to BLOCK c) Verify Permissive Status light C-2 -LIT 12. MAINTAIN RCS CONDITIONS:
| |
| a) RCS pressure -at 1950 psig b) Pressurizer level -at 22% c) Cooldown rate in RCS cold legs -LESS THAN 25 °F/HR 13. MONITOR RCS CODI.DOWN:
| |
| a) CETCs -DECREASING b) RCS hot leg temperatures
| |
| -DECREASING c) RCS Subcooling based on CETCs -INCREASING
| |
| : 14. INITIATE ATTACHMENT 1 a) Continue depressurization.
| |
| 'wHEN Permissive Status light C-3 is lit, THEN do Steps llb and llc.
| |
| * / *
| |
| * 11.15 CORRECTIVE ACTION EVALUATION CANO.: 15E CA DESCRIPI'ION:
| |
| Rearrange EDG #3 panels to be similar to EDG #1 and EDG #'2 and label accordingly.
| |
| EQUIPMENT MARK NO. 11.15.1 BED REVIEW m ORIGINAL FINDINGS HEDNO. 20A03033 HED No. 20A03033 -EDG no. 3 panels (3-1, 3-2) are arranged differently from 1 and 2. (NUREG-0700, Sections 6.4.1.1.c.2, 6.4.2.2.c.1 and 6.4.2.2.c.3)
| |
| CRDR controls surveys identified that the emergency diesel generator control panels EDG 3-1 and 3-2 are not arranged similarly to EDG panels 1 and 2. This discrepancy could cause delay and/or errors in operator response due to lack of conformance with operator expectations and does not conform to NUREG-0700 guidelines (6.4.1.1.c.2).
| |
| In addition, different size controls and coding*_parameters are used (6.4.2.2.c.1 and 6.4.2.2.c.3).
| |
| DC-88-25/26 were prepared to install new EDG panels 3-1 and 3-2 in the control room. The new panels would be arranged similarly to EDG panels 1 and 2. In addition the layouts of the local EDG control panels (1 DIP-DGRH, 2 DIP-DGRH) would be revised. The DCPs were not implemented . 11.15.2 BED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs !mYES ONO ON/A Instruments and Control devices on the EDG #3 . are used for verification of EDG operation and setpoints in various EOPs including 1-ECA--0.1, 1-ECA-0.0, and l-E-1. EPIPs 181 YES ONO O NIA EDG #3 Panel meters are used to verify emergency classifications for electrical failure (Tab H). APP.R IXJYES ONO ON/A EDG #3 Panels are Appendix "R" related equipment.
| |
| ERF/SPDS DYES l&INO ON/A The EDG Panels are not part of the ERF/SPDS systems. VARS01F.B7S-1 RG-1.97 IXIYES ONO ON/A EDG #3 Panels contain instruments for monitoring RG-1.97 variable D-35F, EDG load . LERs/IOERs DYES IXINO ON/A No LERs were found applicable to the control of the EDGs. HPES/STA DEV/SOER DYES IXINO ON/A No applicable station deviation/SOERs reports were found. TECH SPEC ITEM IXIYES ONO ON/A EDG #3 Panels are required by technical specifications.
| |
| * *
| |
| * 11.15.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The EDG control panels in the control room are used by the operators to control and monitor the operation of the station emergency diesel generators and associated 4160V emergency buses. These panels are used during the performance of various EOPs and EPIPs. Safety Significance
| |
| -Potential For Error -The EDG panels contain safety related, Class lE components that are also required for R.G. 1.97 and accident recovery functions.
| |
| Discrepancies existing between the two EDG panels for the most critical control switches for emergency bus breaker operation and EDG control are minor. The location of the grouping of meters needed to verify EOP parameters for EDG Watts, Vars, and speed are different between the two panels, however, the style of these meters on each panel is the same and no other meters of this style are located on either of the panels. The uniqueness of the style of these meters on each panel reduces the possibility of operator error. The panel location of the reserve station service bus amps and the EDG output amps is similar with respect to the top and vertical panel boundaries.
| |
| The same is also true for the synchronization voltage meters. This relationship aids the operator in finding the correct meter. Other meters on these two panels have faces that uniquely identify their functions, which also aids in correct meter identification.
| |
| Based on the above, the potential for operator error due to this HED is considered low. During the CA reassessment it was noted that the EDG watts and vars meters on the EDG panels do not have consistent scale units. EDG panel 3-1 and 3-2 have megawatts/megavars units, EDG panels 1 and 2 and the local EDG control panels have kilowatts/kilovars.
| |
| The potential for error is increased when the meters scales are not consistent.
| |
| Consequence of Error -Operator errors* in the control of the EDGs or misinterpretation of associated displays may result in misoperation of the emergency buses, which in tum may result in the failure of plant protective equipment to perform their intended safety functions.
| |
| However the probability of an error resulting from the controls arrangement is low. In addition the consequences are reduced due to the availability of protective features.
| |
| The consequences of error due to the inconsistent power/vars meters between EDG panels is a delay in* operator response when determining displayed values. II.
| |
| | |
| ==15.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the above discussion, sufficient information is presented to justify not implementing this corrective action. The potential for error is low based on the minor differences between the EDG control panels. However, it is recommended that the EDG panel indicators (watts/vars) be modified (replaced) to be consistent between EDG panels. The reassessment process for this corrective action included a qualitative analysis to determine if the benefit of the proposed corrective action was commensurate with the total projected cost of the modification.
| |
| Based on this evaluation, it has been determined that there is no appreciable benefit to the improvement of plant safety, operations or human engineering principles, which justifies the projected high cost of the modification . VARS01F.B7S-1
| |
| .. --~
| |
| * **
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D D D D D D D D D D
| |
| * ., ** ;. SURRY lliIT e CODE R TITLE 2@Ae3e33 BER6EliCV DIESEL. Mt£1.S l 3 AR~ DIFFERE.~TL.Y FROfi! 1 AND 2. KM ERROR: IELAY DR ERROR IN OPERATOR liESPDNSES tff PlllrtlM DESCRIPTIDh:
| |
| aER6fN'.:V DlESa PANELS 1 AND 3 Ali~ DIFFERENTLY e1ee PARAl3RAPl'I NUGEA: ri.1t.1.1.c.2 o.4.c:.2.c.1 E>.'l.,.~.c.a SUSGESi'ED BAC~!i: AE-ARij~ iO A COHS,STANT PATTERt. AC:IIO$ PIWtl.S fff D!SPOSITiilh:
| |
| fl , i ._ f) / li:-ARil!Nx.
| |
| U!, O" CV.. 1 v ~'!._ W 1 ( l'l ~iH CDu.ECilQJ.
| |
| JJc:SCill.inor. c~ t4i.llll&cR:
| |
| TP-4. l ~'TRul..S SiJII\IEY
| |
| ' * *-::J}_r . . . *-"' tB e_ CA JSE' . 8812318:,__,,~
| |
| .. ~9 N"TED I A " 1 ? ", .. :,,: H.\lL., u ._I * :,; .:..i ..; ,., ASSESSfl:tff
| |
| !AST REVIEW RESPOISIBILITY STAnJS DATE II -S IU/17/85 REIIARi<S:
| |
| PI-tile I IEB'IT 1 B ~16N RESP FOR AAkiWS01cN I 5ldll¥ IP/ll Pi Ei2 >-ITW IN\11l.\*D:
| |
| Ml!I< UBER LOCAT l!),i CDIJICINth1 SYST91 ED6 Phi.. 1 ff MJT lN lNV FILE* EDS Pk. 3 ff r<<JT IN INV FILE
| |
| * E.~~ i?t~-c...
| |
| r eo<:> ?cv-J czl<z>o
| |
| * t;4)~3> C*CA:~ ~Ov"'1!,l
| |
| --, Ve.Lt\ J t \ .. \.;.)
| |
| *.
| |
| * CONTROLS APPENDIX B9 HUMAN ENGJNCERJNG DISCREPANCY (HEO) REPORT TP-A.l 1 May 1983 I . 0 -*-s O \ \ . .__i V TR 1Z y ON 11] I r1 '2 0 Pi , 0 -;.,7/ PLANT/UNIT I "J '2.."',._, -i,, ORIGJNATORi
| |
| £')_\ e d62S) )~ HEP NO.: P 7 -b J . VALIDATED BV: ~.. i DATE: ~,,, 1; /'z P!:/ a) HEO TITLE: Y'ti1?i& r~~c~. *4M-lti c,~ \-n., ~1;.i-y l*
| |
| * b) ITEMS INVOLVED:
| |
| £_µ_~~ c) PROBLEM DESCRIPTION AND 0700 PA~A. NUMBER: ~-6!1f, I. le [=2).J £.L.l.~.~c.(,J~
| |
| (; __ d) DAT A COLLECTION DESCRIPTION AND CODE ~MBER~ c:,-~~ -TPLf,18(!3) e) SPECIFIC HUM~N ERROR(1):
| |
| ~""'0 I~ J.M.}. G.) fa...JL u.~.,..'../
| |
| _,:_ -.t,.s-__i;:;/v, (y1F-i..., .,1.-'f-~
| |
| I B9-l
| |
| .:ONTROLS APF'ENDIX B9 HED REPORT (CONTINUED)
| |
| $ ut t.y(v1J JTS I ~-PLANT UNIT f) SUGGESTED BACKF'IT:
| |
| g: REVIEW AND DISPOSITION:
| |
| -** ..
| |
| * B9-2 TP .. A.1 1 May 198) HE:D NO.: PJ:-'
| |
| . . * * -* .. * '" * ** * . . -..... r .. * : -* * .. --* ,1 *.. *** . .. ., . ** ., ,. * * -. 7 . . . * ... ---.. -....... **. :*:: .. ---~. *-:~.-~-.-**-:-: -'.""-*. ;:: . . *;* *. . . . --_ ... _j_)_:, 1f: AfLJJA iv~t1-:1v X _ F_~a) __ p.l)~_},A_L
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| \(£_~ .. J !!, ~~----~ -*--. ~~.;-:ti,~-.~" \. ----------
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| .. -. *-. ------*---*--*-***
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| ----. *-*--. *--... -----* ... :#P ... -~~-1>i'2.Se-L~Q.fr.e._(;:!>
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| ' ~--------:
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| -. ------VJ fJcO ., 'ljJ ~, .. i.
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| ** HED PRIORITY RECORD HEDI __ '2.. ______ __.I . 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?. . 3. HIGH SAFETY IMPORTANCE NO . (PAM OR 1E)? ** ERROR POTENTIAL? , 2 LOW 5. CONSEQUENCE OF ERROR: 1 2 mw . .. leD C&TIDOIIV I a 0 I 0 IIO * ~oA-o ~;>033 YES YES G) I -'--HIGH I ...i_ HIGH IIO ..
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| * *
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| * STATION/UNIT MARK NO. . . .. . . . VJRCINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION
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| *JurY-tL {j h *,* f-.r l 2 J ITEM DESCRIPTION Eme.,.1 ercy ~,esp( 0:en e,-p_-fu.,-
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| 41--3 HED NO. fJ:t2..-~
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| J..0,10-3DJJ Panels CHANCE DESCRIPTION (RECOMMENDED RESOLUTION(S)
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| AND OPTIONAL RESOLUTIONS:
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| Re o.Y" [ Q nge tti e i hstrLA Vt1 ~-a.-f i o-'1 &/ L D ..._f.,..ol.r O 'l the "[;"w.ev-j~,,,cr
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| ~l~.Jel G-enen,.10..-
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| #] fa~efs 1o~ /,pfi* U ri ; -f .r I & .2. fo b e C o ri s i sf P~ w i i /... f/, e () r r,,, 'ff n., e...f > o t +le Fri,erJe,,r:~r
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| ./J;esel G:enr,..~10
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| ... #-/ ah/#~ &"els . ORICINATOR
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| /J,, £ JI,*// DATE REVIEWED_---Si::f~-__:;;;)._;._:/_-~f~S
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| __ _
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| -._ ** .,
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| * GUIDELINE 6.4.1.1 GENERAL PRINCIPLES Controls should* be selected to ensure ease of ope,ation and to minimize operator errors. a. ADEQUACY-Each control should be adequate for the function it performs. ( 1) It shou Id provide a sufficient range of control. (2) It should be easily adjusted with the required level of precision.
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| : b. ECONOMY-Each control should be necessary, and the simplest effective control for the task concerned.
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| : c. ( 1) There shou Id be a good reason to require a control for the function concerned.
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| (2) Duplication of controls should not occur, except for a specific reason. (3) The precision and range of a control should not greatly exceed the need. (4) Selected controls should be economic of space. HUMAN SUITABILITY
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| -Controls selected should be suitable for operator use in a control room environment, and should be suited to the anthropometric and ergonometric istics of the expected operator population. ( 1) Each control should be recognizable in terms of its function.
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| (2) . Each control should be of the type normally anticipated for the operation concerned.
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| This means conforming to operator expectations, matching to other controls for the same function, and generally conforming to conventional practice.
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| CONTROLS 6A SELECTION OF CONTROLS 6.4.1 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment I ! I I \_. c.oa.n .. Ec.T\ vc ACTIOtu C.A l SE 6.4-1
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| -. *
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| * GUIDELINE CONTROLS 6.4 DESIGN PRINCIPLES
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| | |
| ====6.4.2 COMPLIANCE====
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| | |
| CHECKLIST 6.4.2.2 CODING OF CONTROLS Coding methods (e.g., size, color) for a particular application should be determined by the relative advantages and disadvantages for each type of coding. Exhibit 6.4-3 is provided as a general line for control coding evaluation.
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| : a. CONSISTENCY-The coding system should be uniform throughout the control room. b. LOCATION CODING-Controls should be located so as to be easily° related to functions and functional groupings.
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| Controls with similar functions should be in the same location from panel to panel. (See Guideline 6.8.2.3.)
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| : c. SIZE CODING ( 1 ) No more than three different sizes of controls should be used for discrimination by absolute size. (2) Controls used for performing*
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| the same function on different items of equipment should be the same size. (3) When knob diameter is used* as a coding parameter, differences between diameters should be at least 0.5 inch. (4) When knob thickness is a coding pa~ rameter, differences between thicknesses should be at least 0.4 inch. d. SHAPE CODING -When possible, controls should be differentiated by shape. In ticular, controls which may be manipulated in a "blind" fashion should be shape coded. For example, where an operator must ously observe a display and move a control which is outside his field of view, the controls should be shape-coded . and separated
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| * by distance.
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| Control shapes should be: ( 1) Visually identifiable.
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| (2) Tactually identifiable.
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| AC,\O\~ CA\ 5 E 6.4-7 I i i I
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| *
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| * NUMBER ATTACHMENT TITLE REVISION 1-E-l 6 STOPPING UNLOADED EDGs ATTACHMENT PAGE 2 1 of 2 * * * * * * * * * * * * **-* * * * * * * * * * ** * * * * * * * * * * * * * *
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| * CAUTION: *The ~DGs should NOT be stopped until the CTMT is sub-atmospheric.
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| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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| * NOTE:
| |
| * Only one EDG should be stopped at a ti.1]1.e.
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| * EDG 1 should be stopped before EDG 3. 1. Verify that the base tank fuel oil level is greater than 290 gallons. 2. Push both ENGINE STOP pushbuttons simultaneously to initiate the engine cool down and stop sequence.
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| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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| * CAUTION:
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| * If an auto-start signal is received while the EDG is in the cooldown cycle, the EDG speed* will __ increase to between 870 and 910 rpm. If the EDG speed does not stabilize between 870 and 910 rpm, the SPEED CONT switch must be used to adjust EDG speed .
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| * The engine is in Governor Fast mode when in AUTO, resulting in speed adjustments being very sensitive.
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| Changes made with the SPEED CONT switch should be small to prevent engine overspeed.
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| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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| * 3. Verify engine speed decreases to betwe~n 470 and 490 rpm. 4. Depress the Auxiliary Trip Reset pushbutton and verify that the assoc*iated amber light goes OFF: EDG l -Diesel Generator Isolation Panel in Unit 1 ESGR EDG 3 -Unit 1 EDG 3 Control Panel in the MCR 5. Verify that the EDG stops after a 9 1/2 to 13 1/2 minute cooldown period. 6. Verify or adjust the SPEED DROOP control on the UG-8 Governor to zero. NOTE: Governor alignments will be performed by the Maintenance Department.
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| : 7. Verify scribe marks on the governor gears are aligned. 8. Verify governor SPEED KNOB is at the scribe mark on the dial . ~.--.. -*.***** ., .. -.......... . . -.. ~-*-. :_ *. . '. . ..,. ....... ,.,, , ...........
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| ~**.--* ...........
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| _,,,.--.-...... , ... _ ....... ,..-~--*:-:-**---**
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| -** .~ .. , ...... -, ... -** , .. .
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| ** *
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| * NUMBER PROCEDURE TITLE REVISION 5 l-ECA-0.l LOSS OF ALL AC POWER RECOVERY WITHOUT SI REQUIRED PAGE 3 of 16 -STEP ACTION/EXPECTED RESPONSE i--~~~ RESPONSE NOT OBTAINED
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| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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| * CAUTION:
| |
| * The load placed on any energized emergency bus should NOT exceed 1200 amps, when energized from offsite power.
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| * The load placed on any _EDG should NOT exceed 2750 KW. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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| * 2. MANUALLY LOAD THE FOLLOWING EQUIPMENT ON ENERGIZED AC EMERGENCY BUS: a) Align and start CHG pump: 1) Check valve alignment: CHG pump miniflow RECIRC valve(s) -OPEN
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| * CHG pump RWST suction valves -OPEN
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| * 1-CH-MOV-lllSB
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| * 1-CH-MOV-lllSD
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| * CHG line isolation valves -CLOSED
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| * 1-CH-MOV-1289A l-CH-MOV-1289B
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| : 2) Start one CHG pump b) Start Safeguards area exhaust fan c) Start at least two CRDM fans 1) Manually align valves .
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| * rf!i* *-:"*
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| * 1'."UMBER PROCEDURE TITLE REVISION 5 l-ECA-0.0 LOSS OF All. AC POWER PAGE I 15 of 16 STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED..._~~~~~~
| |
| ..... 25. CONTROL STEAM FLOY TO STABLIZE SG PRESSURES
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| * * * * *** * * * * * * * .* * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION:
| |
| * The load placed on any energized emergency bus should NOT exceed 1200 amps, when energize~
| |
| from offsite power.
| |
| * The load placed on any EDG should NOT exceed 2750 KY. ***************************************
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| : 26. _VERIFY FOLLOYING EQUIPMENT LOADED ON AC EMERG~CY BUS:
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| * CHG pump SY pump
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| * CHG pump CC pump
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| * 480 VAC MCCs
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| * Vital bus UPS
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| * Gai-tronics
| |
| * Station radio booster
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| * 2 Control Room chillers
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| * One Unit 1 MCR AHU and one Unit 2 MCR AHU
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| * One Unit 1 ESGR AHU and one Unit 2 ESGR AHU
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| * Aux Vent filtered exhaust fan
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| * Turning Gear oil pump
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| * Turbine Turning Gear
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| * Common Radiation monitoring cabinets
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| * Semi-Vital buses Manually load equipment and refer to Attachment
| |
| : 5. -** *r * *** * *-* -' -.-------'-,---------
| |
| ........ -*.--.*---.------------
| |
| _ ...... ,.. .. ______ ----****---~---*-----
| |
| ---*-*-..
| |
| * * * <O I *,.... \J * *,.... I ..... . ..... I ..... 1: 7" I~ 7" I I AFM 61 c::J --. [!J* c:=J --_ j ssgj c::::J 000 ., . 1. . 7* ' 1 . 7" I 19 I . 0 0 []I] 0 03 7 OiD c:::J 97 98 53 w V R A A P. T R M T I~ I . 4 N' N4 N5 --~---. 9 . H c=:J_. c::::J 000 *ooo ---u. u *,...., '. c::::J c=:J c::J ' . 14A J--o--o ..*. . *o* --01:{ 016 .-*,,. 14*_ c::J c:J c:::J t----. 012 012A: .. 016** *~L c:::J . c=:J c::J 0 ---0,5 .* O,~o -I c=:J c::::J I . I I I I I I I I I I I I
| |
| * I I I I I I I I I I I I I .:1 -'.. .. '*:. : -* t* ~t>sR-r d F-sag~-z. E;-qz.o 1 ~% NO*L (Dc-n-zs/z,1o)
| |
| _I
| |
| . ..,. ' f')
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| * 0 I .1 I -, c:::m:J LID [ND .. u 05 Os LJ [ill ' : ' :;,;,. ' 2 os os . I .. --I N ' ,.._ c:::J c::J c::::J I ~, I I SYN:1 [::] R . ' 3
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| * I I N ' -[N[J w CJi§:] ,.._ A -I FRE~ I T [:J T
| |
| * 17 18 ..... [ II .._ I I .. ' --, IJ c=:l: c::l*-_. '° Cl []*** .. : 14 15 16 14 15 16 ' i* 1: . 000 000 -,, * " c:::J c::J c=i* Q_Q:.-~-*
| |
| * d 4 1 d 6 I * '1s '° 0 ', I ,.._ r--c::J c::J c::J
| |
| * Q D ~* 115 I . 0 a1s ,.._ c::J c:J c:::J DQ9 I 16 I -. -. 0 " c::J I I 0-1---t--*
| |
| I I I. I I I I I I . I I ..,. I I .N I I I I I -I *c,YA#i(J Cr \j I I I . *. S<?t 2', -tr e:--If 2.o I I I
| |
| * s* s* E IV\* Plc.5E L G;'E tJ L.oCAL 2.01 P-DGk1 H ( DC*8S*25/z0
| |
| ~\ '1'":-i('1' 10'/ n.1 r"'r: r r **. i r "* T .-" I ,-'"""' ' I
| |
| * *
| |
| * 11.17 CORRECTIVE ACTION EVALUATION CA NO.: 17E CA DESCRIY.l'ION:
| |
| Change flow indication for eves charging and letdown (0-300 gpm) (FT-1122/2122).
| |
| EQUIPMENT MARK NO. FI-1122A,B 11.17.1 BED REVIEW -ORIGINAL FINDINGS :QED NO. 20A03405-20A02214 20A02208.
| |
| HED No;-20A03405 --No feedback that pushbutton controls have been activated. (NUREG-0700, Section 6.4.3.1.b)
| |
| HED No. 20A02214 -Scale ranges inappropriate, need narrow ranges expanded. (NUREG-0700, Section 6.5.1.2.d.l.2) . HED No. 20A02208 -Scale ranges too narrow, wide range indication not provided. (NUREG-0700, Section 6.5.1.2.d.3)
| |
| The CRDR Review Team determined that the scale range for the charging system flow indicator should be evaluated for any operating conditions . 11.17.2 BED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs jg!YES ONO ON/A Charging flow is an BOP setpoint and is required to be monitored in several EOPs. l-E-3, 1-ECA-1.1, 1-ES-0.1, 1-ECA, 3.1, 3.3, etc. EPIPs 0 YES IXI NO O NIA The flow indication for eves is not identified in the EPIPS. APP.R IXIYES ONO ON/A Flow loop 1122B is on the Auxiliary Shutdown Panel. Range change will be same as Control Room indicator.
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| ERF/SPDS IXI YES D NO D NIA Charging line flow (FI-1122) is an input to the ERF. Point I.D. No. F1CH003A.
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| V ARS01G.B7S-l RG-1.97 IXIYES ONO ON/A Charging system flow indication (Fl-1122A, B) is a R.G.-1.97 D-27 variable.
| |
| LERs/IOERs DYES IXINO ON/A No LERs/lOERs were found pertaining to the charging system flow instrumentation.
| |
| HPES/STA DEV/SOER DYES IXINO ON/A No station deviatioris/SOERs were found pertaining to the charging system flow instrumentation.
| |
| TECH SPEC ITEM IXIYES ONO DN/A Charging flow instrumentation is required to be available per T.S. 3.2.B.6 .
| |
| * *
| |
| * Il.17.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE FI-1122 provides indication of charging line flow rate in the control room. Indication is also available in the ERF and P250 plant computers.
| |
| The CRDR corrective action reassessment team evaluated the range requirements of the charging line flow indicator.
| |
| A range of 0-200 gpm is required based on a normal flow of 45-90 gpm, a minimum flow of 25 gpm (prevent flashing of the letdown stream, downstream of the letdown orifices) and the requirement to read a minimum of 150 gpm when evaluating RCS leakage. In accordance with AP-16, when RCS leakage exceeds 150 gpm, safety injection is manually initiated.
| |
| Safety Significance
| |
| -FT-1122 is safety related for R.G.-1.97 and is on the EQML. The flow indicator FI-1122 is designated NSQ (Cat. 2 variable for R.G.-1.97).
| |
| Potential for Error -The potential for error is increased based on the inability of the operators to read setpoint values. Consequences of Error -The consequences of error of not being able to read the charging line flow rates at the high/low range would be the inability to determine extent of RCS leakage above 150 gpm and determine minimum charging flow to prevent flashing of the letdown steam respectively.
| |
| Based on telephone conversations with Mr. Mayo Oppenheimer (Nuclear Analysis and Fuel), the charging flow setpoint value of 25 gpm does not include taking into account instrument inaccuracies.
| |
| The calculations (14937. 70-C-17) prepared for DC-88-27/28 show that the accuracy of the control board indicator is approximately
| |
| +/- 17 gpm at a flow rate of 30 gpm during normal operation.
| |
| During abnormal plant conditions (DBE), the accuracy is +/- 40 gpm. These accuracy calculations included a square root extractor in the instrument loop and represents the worst case. The setpoint should be revised to include instrument inaccuracies . Il.
| |
| | |
| ==17.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the above discussion, it is recommended that the charging line flow indicator scales be replaced with scales having a range of 0-200 gpm and revise the charging line flow instrument setpoint (25 gpm) to include instrument loop inaccuracies.
| |
| If the value is changed to approximately 50 gpm, to account for loop tolerances, then the use of the square root scale is acceptable . V ARS01 G .B7S-l
| |
| ** I. *
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D D D D D D D D D D
| |
| *
| |
| * W/i5/5w '1 \ *g ('' "":;r--~.,--'1 t". e: r C ltJfllAt;
| |
| ~halit:R:NG D!&:il:;.~cy R:Jof A / 1 E . 88/23/85 PAGE 41 SUliRY l.l(iT e CODE A ASSESSl!Etcl LAS'T Re-VIEW TITLE -RESPONSIBILITY STATUS DATE NO FEEDBAD< THAl PUSHBIJTT(>>j C()(TRil.S KWE BEEh ACTIYA'iED, ERROR: MY CAUSE DELAYS/ERRORS IN~ Ht PROu!I! DESCRiPTiiJh:
| |
| CPERATORS 1iAVE f() Fw>~ T~T P\JSl1BllTT~
| |
| COH'TR[>..S l1AVEBaN ACTlvATED.
| |
| e1ee PARA>31oi11, Nlll&Efl:
| |
| o,41,.:i, 1,B 5Lii36£STED BACl{FIT:
| |
| II -S AOJLiST iO &>Oi fc£Sl5T~.:;t:
| |
| ioiid't D::liRt:SSlNG II.EIS, Et&IRE IIERIUDlC MlhTtNANCt ~1ROL.S. 85/28/85 +H Dls;-OSIT!Oh:
| |
| / ADD 2 METERS, wR1r.~. wR TO eovt~ AAUlliJII IIIPE [;A,)ACHY.
| |
| 5e~-f"t-"7 i -i 1 ( ,zc{t(J -Z'Zi 4-) -"*-"''SlLi .. -t""t:v'\.
| |
| DATA CO..:.ECTirt, DESCR!PT!ON JriD CODE NJMl:iEil~
| |
| TH, l CUNTROJ..S SURVEY IT~:3 lN\l[LVEI,:
| |
| MRK li.M&c~ LOCATION.
| |
| ~NT~ SYi,TEII !Hi LIIE FLO ff NJT lN INV Fli.E t SWISYST91
| |
| -** _ .* CONTROLS APPENDIX B9 TP-4.1 1 Mey 1983 HUMAN ENGINEERING DISCREPANCY (HED' REPORT : . ,:;i, LQ"v ' 0, .;, s u rt ft Y lo &t , n t " z0 f\ Q u oS PLANT UNIT 7 J -\ _ J-, \ . p r v\. tr' ORlGtNATORi
| |
| ~V . HtO NO.:'I -b 7 -z,-.~)' ' A o 11 , * , --:. VALIDA TED B V: >>6°~: . . DA :E: 0 ki &'::&, / t/ / 9 l =r *; -. -. a) HED TITLE: ::t:t+-,,£--.,'
| |
| :Js.:4 <"' ,-3) ¥ R ( V b) ITEMS JNVOLVEO:
| |
| c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER:
| |
| ... .* CA~~=:, k~
| |
| -b. Y. 3, I b e) SPECIFIC HUMAN ERROR(s):
| |
| I~ ~~;* In) __.vvU-lA
| |
| ~W
| |
| * B9-1
| |
| . :ONTRCLS APrENOlX B9
| |
| * HED REPORT (CONTINUED)
| |
| '5 ,.; t((l_ !I lrc.lY. (~ I ,l PL.ANT UNIT 0 7 g'! REVIEW AND DISPOSITION:
| |
| /.
| |
| * B9-2
| |
| * TP-A.l l May 1"983 . HtO ND.: *f+-b 7
| |
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| -----------*-**
| |
| ------*-**------------*
| |
| *----------*-----------*
| |
| *----**----. * . -*---. -------~---------
| |
| --. ------** -*-*-*** ---*
| |
| ,.
| |
| * C h ov, .~, Li '\J_ fl f/V\.J HED PRIORITY RECORD ..._HE_o_, __ 6_7..,_ ____ 1 . . 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?.
| |
| : 3. HIGH SAFETY IMPORTANCE -NO . (PAM OR 1E)? --** ERROR POTENTIAL?
| |
| : 5. CONSEQUENCE OF ERROR: CATEGDIIY 8 ND NO 2 2 . NED CATEGC!"Y II ltO YES YES CATEDOllY Ill ~--*
| |
| .. r. .) . .* . .. * .. VIRCINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION HEO NO. fr-7/-/1 :2 o,qo:_2 2..1r * . *. STATIONiUNIT_:_._*
| |
| '-. -~ u t""V" y . u*.,. ifs I & 1 ,-*-, \ MARK NO. . *. *. E 1 -. II "L 'L 1 FT -2 ' L. 1.... ' .ITEM DESCRIPTION
| |
| _c ___ ..... Q._..-_,-;.-;
| |
| 1-+-_L __ ;.._V\ ..... e._.._p __ ( __ o c..J ________ _ CHANGE DESCRIPTION (RECOMMENDED RESOLUTION (S) ANO OPTIONAL RESOLUTION'.
| |
| : Cid IA"1~ f1t. e r-a h4 e of f J., ese sf,-; ~r {t> o -300 ,:p,._ 7 , . ld w r tL I ; h (!(I,,_ ; d; c.a+;,,, ~. I *(j);t/ vu,f (2 SFlA.fl~~
| |
| r-:,of erfn.dCh-llti/ r/PW::' * -/*----------------
| |
| -. .,... *. .-: ''f ....... ~': ... _... :i, . -. *._..:-***-~:-
| |
| .. -::: : .. ; **_.-':, ..... -~~--...* *-.-*~:. : .* :~?:~r: --~-----------------------------------
| |
| --~~-*"'*
| |
| /> :..-r * ... _.*, :-* ** *** * .:,* . . : ... .. : ._:*. *_ .. *_ .*.* ---------------------------------
| |
| :: -: _; .. -;_ ... "' .:.*-." < *. . ... . . . *::.~*-,** . COMMENTS:
| |
| ---------------------------
| |
| ORIC INATOR. __ . ..,J;.B::;...:.,_, .;....r,_,.;, 11.,_,_,,i
| |
| ...... l / ____ _;DATE REVIEWED_-"""'?_-_2_7_-_~------**
| |
| .,. ; .. . -~-. ,:** )', ** ** ---* . -.
| |
| r~.--1 ..** * *
| |
| * QIRRY ~IT e CDDE B
| |
| * TITLE ~14 AAN6ES JNAPPRCWRIATE.
| |
| NEED NARROil ~SEX~. ERROR: DE.LAY /ERROR JN DP ~E. f+f PROBt.9 DESCRIPTIDli:
| |
| 88/23/85 ;.(l;:~ l~ ASSESS";J.1 LAST REYIEW ~IBILITY STATUS DATE II "'11 82/1S/BS RAif= TOO lilDE FOR MUM DI&?i..AYED Vlt..l.iS, IIEED NIARCM RAN6c TO RAlNTAlN ~IPIENT PRIPERLY, e1ee PAAA3RAM-i HUE!t: D.5, l.~li. l b,5, 1,,,&l.~ &..i66ES°'.E!l BACKFIT: E\l~uATE i=Ll!I AP~KO,,~IAiE~SS (Jr bv.L£ ltA~S. lic" .. Al:t iil!H Wlli:: ~s ~s. ffl DISPDS!TIOh: " I / . Al>ll 'i 10-~ ~i FOP< l;t!Rti & LJJ, (c....::.~~~_'i..
| |
| V~ . I iv\h .. DATA ro...E:m.t\
| |
| DESCRiPiii).
| |
| P.Nil cm,e: Ni.Jll!i,EI!:
| |
| TP-5.1 >>1s;,L.Avs
| |
| &1.~=~ T"l'""~.2 YER!FiCATlU°' YHL.IJIAT,tri REIIIAiji(:,:
| |
| Pi-07l-1l, ITEJIS JNVO:..\l=J.l:
| |
| !!ARK ~.ItR LOCkTIO,.
| |
| ~T NAIE SYSiElll SUBSYSTE~
| |
| D1R61NS FLOW ff Mli lN lfe\l Fli.t t
| |
| ~-** ** DISA..AYS APPENDIX B9 TP-5.l l May 198} HUMAN ENGINEERING DISCREPANCY (HED) REPeRT Su I'( (?. Y / V~//TS I $ :1. * -PLANT/UNIT ORIGINATOR:
| |
| '(~J ~,R 9 /,dJ HED NO.: P-;; -7 I VALIDATED BY: Q't ,\o -l DATE: L .. 12. 17 Y .* a) HED TITLE: s:~ Ii /\.Am.~ M ads* . ...tM I\ f1. '?"1""AJL.~
| |
| -. en /1 c'.\/t~ ,,/l...o.-v:J b) ITEMS INVOLVED:
| |
| d) DAT A COLLECTION DESCRIPTION AND CODE NUMBER: "') I
| |
| * L \ l .*, I \ i .rJ __ L . -* r .. ..._ di': \,, * .,* ., I'(., *. (* c--P-~-..., -1P:r.Jf3l(l3)~T~g.,&:J(,bf)f(,~:
| |
| CR' Vo.\t!r,.,lO/\
| |
| _ ,r ,.~ e) SPECIFIC HUMAN ERROR(s):
| |
| * o--! tYi~~' l. ~, , °'--""-'\ -~"ti:, I ~°"\~~ . B9-l DISPLAYS -. APPENDIX B9 HED REPORT (CONTINUED)
| |
| :s VJ?... T<. y/o NI n I ;J._ PLANT/UNIT
| |
| *
| |
| * B9-2 TP-5.l l May 1983 HED NO.: J='J -7 / . . r.
| |
| ., ,, r L -I I -*------------------***------
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| -* * --a -* --~ *---~~~~-~fi~-~,2.M
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| *-------------------**----------
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| -** -----------------
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| ----------
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| **-* ***-*-* ... ----*----*
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| |
| ---------*-
| |
| *----*-**--
| |
| l(. I C tl l:C..J/i:-
| |
| F L,O vJ HED PRIORITY RECORD (c I"\ ) [ cUx +tl.._ vJ I'\ HEDI *.:,-{---, dJ_jo) 1. DOCUMENTED ERROR?
| |
| * 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?" 3. HIGH SAFETY IMPORTANCE . (PAM OR 1E)? *. ERROR POTENTIAL?
| |
| : 5. CONSEQUENCE OF ERROR: C&THOIIYI NO NO , 2 I LOW , toW 2 CV . .. NED = c,* YES YES e it~
| |
| * l!)-L N HIGH
| |
| * 5 _!_ -J HIGH 0 J\;
| |
| * "8/23/85 133 &JRRY tiff: e CODE B ASSESSEl"il LASi RtlllEW l£D NO . . TITLE
| |
| * RESPC!(SlBILITY STATUS DAT£ ----------------------
| |
| -----SCA'...£ ~5 TOO 11ANR!li,c 1 WI~~ ltdllCATll)j NOT PROVIDED.
| |
| 82/14/85 ERROR: DaAY /ERROR lN OP ~E. Ht PROiUI'! DESCRIP!llli:
| |
| SCAl.i5 RAASES TOO 1'!RR'uw ruil IIIA11U DISPiJIYE.D V&UJES. SIP?ORTih'G I.IDE IIAA6t lNST!iiJlaTS .OT PROVIDED IN CR. e70i! PAKAS~ ~Ii: 6. 5. l.c::.D,J SI.EGES1t.D BAC!\F IT: Piiij\1111:
| |
| iilir.-R~
| |
| l'4Siic~t,,iATli;., 1LJ ~;:,ii~i 1tiH:il lrwlCAillll\, t+t DISPOS!THIII~
| |
| ADD W'i f-300 S:,1, DATA W-!.fi:il!A DESCii!~Tl!:P.i COIJE N!Jlli,Eli:
| |
| TP-S,l DI~VS &JRv:Y
| |
| * TP-9.2 VERiFlC&!Tll3t',i A!.iJ IIALlDATit,,, RtMRKE: P1;?c-1ii.
| |
| ITa!::i lNvuLvt.11:
| |
| ~KIi ~i:il LOCl.fflu,, CO,,.,U,.~i fllAl!c SVST:111 H MJT IN lNV FlLt f *
| |
| *-* DISPLAYS APPENDIX B9 TP-5.l l Mey 1983 HUMAN ENGINEERING DISCREPANCY (HED) REPORT i,OJ, , v ..
| |
| * t-0 -i -"? ._) Su ti@ Y lu1v7cs: 1 S PL.ANT UNIT ..., o** ... * *t-, V . . f '---\..: oRIGINAToR:
| |
| £~""; HED NO.: Px -7 ....... * :--,', VALIDATEDBY:~*0<2-
| |
| -DATE: ~/~,r/f('f:/
| |
| .,,'"* e) HED TITLE: S il.. ~M . C},, 61:-41-4 //4 A:::Y,,t:;.
| |
| a_j_ u A °7 '2,. .~Yi k:, h'i
| |
| * b) ITEMS INVOL VECr.
| |
| d) OAT A COLLECTION DESCRIPTION ANO CODE NUMBER: ~-Tf S-,!/3l( !Lf)~ T/1,9, 9 8~(17) l~ V#-(rkf.rH\
| |
| -Tl7 'f. t ., e) SPECIFIC HUMAN ERROR(s):
| |
| ... I )-,_c, I l .-'>-'-'-: IC L~ J:...V:.l''-"" C>f. ;,.-...(, *:; . -~ . ~-:_,;.:* L-t'Y\../'~
| |
| ~).$.. n* :""'--! J . .v:L.~ .. .1. ;._" r.~ o l 1; .I n \, c -1 ;_ 1.,_ . , ~r . : ** 1 T~. '/ J,1--~--~ .. t-.t..~ I ' ~v ---a I B9-l
| |
| -* *
| |
| * DISPLAYS APPENDIX B9 HED REPORT (CONTINUED)
| |
| ;:, \J ,1.. (< 1/ /UN ITS I ri PLANT/UNIT g) REVIEW AND DISPOSITION:
| |
| * B9-2 TP-5.l 1 Mey 1983 HED NO.: /~r--7 ,s
| |
| -i ( ---*--:*---------. -----------*--.---.
| |
| --* i Q..<.).. "to-t, -* .,._.,! /~ -,~~ -~~~t.. -1. --------------------------
| |
| ---------------------
| |
| -----. I N*c e ~E TH c 'f..MJ, L.. .. co v F't.:~ f<c c.s:,!2.2J rs-IZ. f, <c I . u.s', l\ * . I _ *R.-vt~o.i..
| |
| '-':~ f*,c( (NoD) 5:) Rc..f' Se:-~L-A* _F.f(.T!"S.cl..S~t
| |
| __ QE~~-E:-~--S~~-s~~
| |
| °'''~~ ~c.c~~ c,.,v...:o.5
| |
| :; ,.)~ V"~ -_ _ __ _ _( C_o~D£riS~~-~~-~~~~i:ss;
| |
| ;;.~ -~~-~~;~;-;__
| |
| {.s~ t..) *V ------**------------*--*-*---------
| |
| *--* --7.1: f<. c...P e,o~Potvetvr
| |
| *C.oOL-tAI c-__ {A.;)~ f c_) __ -:_ o~-l~-G) S~t >c:.L-f) ~" f''~~ -----------** --* -**-------
| |
| ---***** -----***--
| |
| -----*--------------------*--*-*--
| |
| -* ___ ... J~,! VelV7IJ..A TJo}J __ $i_ST£ M. ... ~_.C...,;.tJTA//JM IZNT_. PQ1'Cr-f: -----------* .. -. J9, GA;V,,.,.
| |
| L L..f;ve-L-.
| |
| J.N!J!C..AJ1.o)
| |
| _____ . -* *---------
| |
| -----* ------
| |
| /
| |
| * HED PRIORITY RECORD '1, 1, () f)f\ 0,, 1,, HED' ./1 V I --*'--r @ 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?
| |
| 0 3. HIGH SAFETY IMPORTANCE NO . (PAM OR 1E)? 4. ERROR POTENTIAL?
| |
| 1 2 LOW 5. CONSEQUENCE OF ERROR: 1 2 LOW NED CATEGOll'I' I NO NO
| |
| * 3 ' @ 4 * & YES YES _§__ HIGH CATIEGOll'I' 111 NO a '*
| |
| * I HED NO. /'I-7/-// :J0,40-.J"J.
| |
| /'( * ;:* VIRGINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY
| |
| ("HED) RECOMMENDED RESOLUTION STATION/UNIT Su .,-r y MARK NO. . E I -. I { 'l.. 'L . FT-2/L.'l_
| |
| ; ITEM DES CR IPT ION _ ... C .... h __ o_,,..._9
| |
| ..... i __ N.;,.* _l ____ ;.._V\ __ e __ F ___ ( __ o_l..) ________ _ 7 f CHANGE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS)
| |
| CLaL-i~t' fAe Yahti(' ot fl.e~e s/r-i'¥J' lo 0-300,eh-/ J I zu v.> i fl it;/;ce-f
| |
| ;'i>r.. {)); fl [I ec.f a t sc~le. COMMENTS:~--------------------~-----
| |
| ORIGINATOR
| |
| __ ..... B ____ , _r:_, !l_t"_/ I ___ DATE REVIEWED_--"-R_-_2.....;._7_..;-~-~---
| |
| * *-. ~--..........
| |
| *-*-*** ......... . GUIDELINE 6.5.1.2 USABILITY OF DISPLAYED VALUES Scales should be graduated and numbered so that readings are related in a direct and practical way to the operator's tasks. a. SCALE SELECTION-Scale units should be consistent with the degree of precision and accuracy needed by the operator.
| |
| : b. ELIMINATION OF OPERATOR CONVER* SION-All displays should indicate values in a form immediately usable by the operator without requiring mental conversion.
| |
| : c. PERCENTAGE INDICATION-Percentage cation may be used when the parameter is meaningfully reflected by pe~ntage;
| |
| : d. SCALE RANGE-Scales should be selected to: ( 1 ) Span the expected range of operational parameters, or (2) Employ appropriate scale ranging niques, or . (3) Be supported by auxiliary wide-range instruments.
| |
| : e. SCALE SIZE-Scale ranges may be expanded (or contracted) by multiplying or dividing indicated scale values by powers of ten. All such scales should be clearly marked as to whether . the indicated values should be multiplied or divided, and the factor involved (e.g., 10,100, 1000). f. SENSITIVITY-Display dynamic sensitivity should be selected to minimize the display
| |
| * of normal random variations in equipment performance.
| |
| 6.5-3 VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6.5.1 COMPLIANCE CHECKLIST I I i i I i I !
| |
| LlRCOlOA * ** lA 164 168 1 1 60.000000000 60.000000000 0.0066666667 0.0066666667
| |
| ** .........
| |
| **-* ~'-'J.l_l
| |
| ~IIIEN AS BUI!,. T HHEN AS BUILT **-HJJ.LU
| |
| -_l-C -"J S8510-l-E-9 S8510-l-E-10
| |
| *
| |
| * i'iii!f.'iilll.\!!!"""~*
| |
| ... ***,,...~L'i:-R~C;_:O~Offl 7 0:.A...-...,., .. 1~~~"'~~w~P~~~.2..~'1~~~~~~},~,,tt.os:.q.4,J.CU;a ,ilt,{,;llfflt'.i,¥~.'!'~~*~t*,..~~.'::'t~~r..;~r.1;"!:"'*''
| |
| .. :*, 1 (,:,~.~~~~-~~:-.--*".~.,,*.~/,,"';,""."'°?*~
| |
| 1-~-,.~ .. ~.-:-:: 7.::;,,~r.-.~.~-""~'--~---*"'""'':Ol"""-*""o,,,..., --=* .._...,......,_....,.,, ___ ..... -.. ~.* .. s, -----------------------------------------------------------------------------------------------------------------------------------
| |
| 6
| |
| * l 82 81 4 85 60 l 62 32 44 46 5 *
| |
| * POINT ID INPUT NUMBER INSTRUMENT MARK NUMBER POINT DESCRIPTION DATE TESTED L I N K S C U H B A L N I N N E K L INSTRU RANGE UNCONV HIGH INSTRUMENT RANGE LOH INSTRUMENT RANGE ENGR UNITS * -----------------------------------------.
| |
| ---------------
| |
| .----------------------------------------------------------*
| |
| --------------
| |
| L1RC009A 1Sll-18A RVLIS TR-18
| |
| * FlCCOOlA 1S26-03A l-CC-FT-121 FlCC002A 1S26-04A l-CC-FT-122 FlCC003A 1S26-09A l-CC-FT-130A flCC004A 1S26-10A l-CC-FT-1308 TlCCOOlA 1S26-01A l-CC-RTD-122 TlCC004A 1S26-05A l-CC-RTD-125A
| |
| .. TlCC005A 1S26-06A l-CC-RTD-1258 TlCC002A 1S26-02A l-CC-RTD-126 lJ FlCHOOlA 1Sl2-11A l-CH-FT-1110 FlCH002A 1S03-13A l-CH-FT-1113
| |
| :tJ r~r.HOP3A 1S05-08A l-CH-FT-1122 FlCH004A 1S03-l4A l-CH-FT-1150 jt FlCH005A 1S27-08A l-CH_;FT-1160
| |
| -*L.:.C.1( .. l: .. >. 1S05-11A l-CH-LT-1112
| |
| ** LlCH002A 1S02-09A l-CH-LT-1115
| |
| ?lCHOOlA 1S02-19A l-CH-PT-1121
| |
| *ii) :'lo':H002A 1S02-20A l-CH-PT-1145
| |
| -'t~C.!IC'~2A 1Sl9-08A l-CH-RI-1118 . RVLIS DYN HEAD LEVEL CPL)<> CCH TO RECIRC AIR FLOH INLJ CC TO RECIRC AIR FLOH INL) 11-11-88 02 4 18 0-lODC 07-11-86 07 l 03 l-05DC 12-22-87 07 1 04 l-05DC CHGRG PMP CC PUMP 2A FLOH !NL) 00-00 CHGRG PMP CC PUMP 2B FLOH INLJ 00-00 07 l 09 l-05DC 07 1 10 l-05DC CCH TO RECIRC AIR IN TEMP INLJ 07-11-86 07 l 01 l-05DC CC PUMP 2A DISCH TEMP (NL) CC PUMP 28 DISCH TEMP INL) 00-00 00-00 07 l 05 RMRKS 07 l 06 RMRKS CCH TO RECIRC AIR OUT TEMPINLJ 07-11-86 07 1 02 RMRKS BORIC ACID BYPASS FLOH INLJ BA TO BLEND SYSTEM FLOH IHT) CHARGING LOOP FLOH IBLJ 02-18-86 03 2 11 l-05DC 02-10-86 01 4 13 l-05DC 01-07-86 01 7 08 l-05DC LOH PRESSURE LETDOHN FLOH IHTJ 02-10-86 01 4 14 l-05DC LOOP FILL HEADER FLOH IHTJ 12-20-88 07 2 08 l-05DC VOLUME CONTROL TANK LEVEL IBLJ 01-07-86 01 7 11 l-05DC VOLUME CONTROL TANK LEVEL IHTJ 01-09-86 01 3 09 l-05DC CHARGING PUMP PRESSURE IHT) 01-09-86 01 3 19 l-05DC LP LETDOHN LINE PRESSURE IHT) 01-09-86 01 3 20 l-05DC RCS LETDOHN HIGH RANGE INLJ <> 01-24-86 03 3 08 0-05DC 120.0 1500.0 900.0 100.0 100.0 100.0 150.0 150.0 100.0 200.0 10.0 150.0 150.0 120.0 100.0 100.0 3500.0 600.0 6.0 II s :rm E irr: 11
| |
| * Iii i i Iii-lZWW n t ** . . . *: .,. -.~ r 0.0 PCT o.o* GPM 0.0 GPM 0.0 GPM 0.0 GPM O.O DEGF 0.0 DEGF 0.0 DEGF 0.0 DEGF 0.0 GPM 0.0 GPM 0.0 GPM 0.0 GPM 0.0 GPM 0.0 PCT 0.0 PCT 0.0 PSIG 0.0 PSIG 1.0 LOGCPM * * * * * * * * * * * * * *
| |
| * PROGRAM HPT21516 Q-LIST
| |
| | |
| ==SUMMARY==
| |
| REPORT STATION: SURRY POHER STATION VERIFIED ** 03/31/92 17:02 PAGE 57 COMP QA CATEGORY COMP QA CATEGORY COMP QA CATEGORY
| |
| * COMPONENT ID, QA CAT HPTS ID. NOMENCLATURE FUNC DEFINITION FUtlC DEFINITION FUNC DEFINITION REFERENCE 1 1 2 . 2 3 3 DRAWING ASSOCIATED COMPONENT ID fE-CH-1147 SR 01-CH -FE -1147 ELEMENT, FLOH SYP8 5,1.3.E* SENS 5.4 11448-FM-BBA 01-CH --17 FE-CH-1150 SR 01-CH -FE -1150 ELEMENT, FLOH SYPB 5,1.2,E SENS 5,4 11448-FM-888 01-CII -FT -1150 I-CH-FE-1154A SR 01-CH -FE -1154A ELEMENT, FLOH SVP8 5,1.1.0 SENS 5,4 11448-FM-88C,S2 01-CH -FT -1154A 1-CII-FE-115<18 SR 01-CH -FE -11548 ELEMENT, FLOH SYP8 5.1.1.0 SENS 5.4 11448-FM-88C,S2 01-CH -FT -11548 1-CH-FE-1155A SR 01-CH -FE -1155A ELEMENT, FLOH SYPB 5.1.1.0 SENS 5.4 11448-FM-88C,S2 01-CH -FT -1155A 1-CII-FE-11558 SR 01-CII -FE -11558 ELEMENT, FLOH SVPB 5.1.1.0 SENS 5.4 11448-FH-88C,S2 01-CH -FT -11558 1-CH-FE-1156A SR 01-CII -FE -1156A ELEMENT, FLOH SVPB 5,1.1.0 SENS 5.4 11448-FM-88C,S2 01-CH -FT -1156A 1-CII-FE-11568 SR 01-CH -FE -1156B ELEMENT, FLOH SVPB 5.1.1.0 SENS 5,4 11448-FM-88C,S2 01-CII -FT -11568 FE-Cll-1160 SR 01-CH -FE -1160 ELEMENT, FLON SVPB 5.1.2.G SENS 5.4 11448-FM-888 OI-CH -FT -1160 01-CII-FE-1180 SR 01-CH -FE -1180 ELEMENT, FLOH SYPB 5.1.3.E SENS 5.4 11448-FM-88A 01-CH -P -2A 01-CH-FE-1181 SR 01-CH -FE* -1181 ELEMENT, FLOH SVPB 5.1.3.E SENS 5.4 11448-FH-888 01-CH -P -1A 01-CH-FE-1182 SR OI-CH -FE -1182 ELEMENT, FLOH SVPB 5,1.3.E SENS 5.4 11448-FM-888 01-CH -P -18 OI-CH-FE-1183 NSQ 01-CH -FE -1183 ELEMENT, FLOH SVP8 5.2 SENS 5.4 11448-FM-888 01-CH -P -1C FI-CH-100 SR 01-CH -FI -100 INDICATOR, FLOH SVP8 5.1.2.G INDI 5.4 11448-FH-888 01-CH -TK -2 _..;F~I,..-...,1.;.1.,.1 o~-----..:N~s~o~1;..-,;C;;;H~-F~-~~~-~IN!N.
| |
| 0 0.1...Icc~ATTooRR', fF!L.2!:L..:....o***
| |
| * . ----~~-M~E-s~i, ... L;.;*_ ... 4-----.M?.'E~Sa;:I-'5,....:..:;2.--
| |
| 5965004 o 1-c11 -FT FI-22A NSQ O -CH -FI -1122:A-n ,.1. !>.~ INDI 5.lt* '*--**~-*.._,__.
| |
| .. !i96~0 0 01-CH -FT ... ~I~-=--;1~1~2f.28~----~N~S~Q~0{.1-:;C~H:...::-;F~I_:-~1-i1~2;;28r-=---~D~I~C~A~~-;!°~-----EM~ES~IH5~.~2~---_,;I~~N:D~I..;5;:_;.4;_..-----------5965D10 01-CH -FT FI-112<tA NSQ O --1124A INDICATOR, FLOH MESI 5. NOi 5.li"" -~-;nu 01-CH -FT -1110 -1122 -1122 -1124 FI-11248 NSQ 01-CH -FI -11248 INDICATOR, FLOH MESI 5.2 INDI 5.4 5965006 01-CH -FT -1124 FI-1127A NSQ OI-CH -FI -1127A INDICATOR, FLOH MESI 5.2 INDI 5.4 5965006 01-CH -FT -1127 FI-11278 NSQ 01-CH -FI -11278 INDICATOR, FLOH tlESI 5.2 INDI 5.4 5965006 01-CH -FT -127 FI-1130A NSQ 01-CH -FI -l130A INDICATOR, FLOH HESI 5.2 INDI 5.4 5965006 01-CH -FT -1130 FI-11308 NSQ 01-CH -FI -11308 INDICATOR, FLOH MESI 5,2 INDI 5,4 5965006 01-CH -FT -1130 FI-1147 SR 01-CH -FI -1147 INDICATOR, FLOH INDI 5,4 SYP8 5.1.3.E 11448-FH-88A 01-CII -FE -1147 FI-1150 NSQ 01-CH -FI -1150 INDICATOR, FLOH MESI 5.2 INDI 5.4 5965009 01-CH -FT -1150 FI-1160 NSQ 01-CH -FI -1160 INDICATOR, FLOH MESI 5.2 INDI 5.4 5965012 01-CH -FT -1150 FIC-CH-1154 SR 01-CH -FIC -1154 CONTROLLER, FLOH INDI RCP8 5.1.1.D INDI 5.<+ 11448-FH-88C 01-CH -FIC -1154 1-CH-FIC-1155 SR 01-CH -FIC -1155 CONTROLLER, FLOH INDI RCPB 5.1.1.D INDI 5.4 11448-FM-BBC 01-Cll -FIC -1154 FIC-CH-1156 SR 01-CH -FIC -1156 CONTROLLER, FLOH INDI RCP8 5.1.1.D INOI 5.4 11448-FH-BBC 01-CH -FIC -1154 1-CH-FL-1 SR 01-CH -FL -1 FILTER, BORIC ACID SYPB 5.1.3.D FILT 5.4 11448-FH-88A 01-CH -P -2A 1-CH-FL-2 SR 01-CH -FL -2 FILTER, REACTOR COOLANT SYPB 5.1.2.G FILT 5.4 11448-FM-888 01-CH -TK -2 'I-CH-FL-3 SR 01-CH -FL -3 FILTER, SEAL HATER SVPB 5.1,2.G FILT 5.4 11448-FH-88B 01-CH -E -1 1-CH-FL-4A SR 01-CH -FL -4A FILTER, SEAL HATER SYPB 5.1.2.G FILT 5.4 11448-FH-888 01-CH -FL -48 1-CII-FL-48 SR 01-CH -FL -48 FILTER, SEAL HATER SYPB 5.1.2.G FILT 5.4 11448-FM-888 01-Clf -FL -4A 1-CH-FL-5 SR 01-Clf -FL -5 FILTER SVPB 5.1.3.E FILT 5Jt 11448-Flf-88A 01-CII --120 FM-111 O NSQ 01-CII -FM -1110 CONVERTER, FLOH CNVT 5.4 MESI 5. 2 5965004 01-CH -FI -1110 FM-1113 NSQ 01-Clf -FH -1113
| |
| * CONVERTER MESI 5.2 CNVT 5.4 5965004 OI-CH -Fe -1113 FM-1114 NSQ 01-CH -FM -1114 SUl1t1ATOR, SIGNAL MESI 5.2 SUMM 5.4 5965004 01-CH -FC -1114 FH-11220 NSQ 01-CH -FH -11220 SUMMATOR, SIGNAL MESI 5.2 SUIIM 5.4 5965010 01-CH -IIIC -1122 ;rn~1220/R NSQ 01-CII -FM -11220/R INPUT MODULE MESI 5.2 CNVT 5.4 5965010 01-CII -FM -11220
| |
| * PROGRAM HPT21516 COMPONENT ID. FQ-1114 FQ,-1122 FQ-1124 FQ-1127 FQ-1130 FQ-1150 FQ-1154A FQ-1154B FQ-1155A FQ-1155B FQ-1156A FQ-1156B FQ-1160 FR-1113 FR-1154A FR-11548 FT-1110 FT-Ctl-1113 F -CH-1114 QA CAT HPTS ID, NSQ 01-CH -FQ -1114 l~SQ 01-CH -FQ -1122 NSQ 01-CH -FQ -1124 NSQ 01-CII -FQ -1127 NSQ 01-CH -FQ -1130 NSQ 01-CH -FQ -1150 NSQ 01-Clf -FQ -1154A NSQ 01-CH -FQ -1154B NSQ 01-CH -FQ -1155A NSQ 01-CH -FQ -1155B NSQ OI-CH -FQ -1156A NSQ 01-CH -FQ -11568 NSQ 01-CH -FQ -1160 NSQ 01-CH -FR -1113 NSQ 01-CH -FR -1154A NSQ 01-CH -FR -11548 SR 01-CH -FT -1110 SR 01-CH -FT -1113
| |
| * Q-LIST
| |
| | |
| ==SUMMARY==
| |
| REPORT STATION: SURRY POHER STATION 03/31/92 17:02 PAGE 58 VERIFIED COMP QA CATEGORY COMP QA CATEGORY COMP QA CATEGORY FUNC DEFINITION FUNC DEFINITION FUNC DEFINITION REFERENCE NOMENCLATURE 1 1 2 2 3 3 DRAHING POHER SUPPLY MESI 5.2 POii 5,4 5965004 POHER SUPPLY MEsI*s.2 POH 5.'* 5965D10 POHER SUPPLY MESI 5.2 POH 5.4 5965D06 POHER SUPPLY MESI 5.2 POl'I 5.4 5965D06 POl'IER SUPPLY MESI 5.2 POW 5.4 5965D06 POHER SUPPLY MESI 5.2 POii 5.4 5965D09 POHER SUPPLY MESI 5.2 POH 5.4 5965D11 POHER SUPPLY MESI 5.2 POH 5.4 5965D11 POHER SUPPLY 11ESI 5.2 / POH 5.4 5965D11 POHER SUPPLY MESI 5.2 POii SA 5965D11 PO~IER SUPPLY MESI 5.2 POH 5.4 5965DI 2 POHER SUPPLY MESI 5.2 POH 5.4 5965D12 POHER SUPPLY MESI 5.2 POH 5.4 5965D12 RECORDER, FLOH MESI 5.2 RECD 5.4 5965D04 RECORDER, FLOH MESI 5.2 RECD 5.4 5965D11 RECORDER, FLOH MESI 5.2 RECD 5.4 5965D11 TRANSMITTER, FLOH MESI 5.2 SYPB 5.1.3.E 11448-FM-888 TRANSMITTER, FLOH; HAG MESI 5.2 SYPB 5.1.3.E XSIG 5.4 5965D04
| |
| * ASSOCIATED COMPONENT ID 01-CH -FIT -1114 01-CII -FC -1122A 01-CII -FC -1124 01-CII -FC -1127 01-CII -FC -1130 01-CH -FC -115D '01-CII -FC -1154A 01-CH -FT -1154B 01-CH -FT -1155A 01-CH -FT -1155B 01-CH -FT -1156A 01-CH -FT -11560 01-CH -FC -1160A 01-CH -FT -1113 01-CH -FT -11548 01-Clf -FR -1154A 01-CH -MOV -1350 01-CH -FCV -1113 NSQ 01-CH -FT -1114 _.I.B~~J;!;IJil;fu..f!.OH INDI MESI 5.2,5 JS.IG....5A_,.
| |
| ___ .,._~... . .... .. . .. . ... --. . . .. .. 5965D0ft_______
| |
| 01-CH -YC -1114 FT-1 22 "*-**=w--sir-1ff=clf"::-rr-=n2T TRANSMITTER, FLOH --ME°Qif"57L
| |
| "/ MESI 5.2,2 XSIG 5.4 11448-FM-BBc.=:::::::::,.
| |
| -1124 TRANSMITTER, FtoR HESI S.z SYPB-!J-:-t-:z:o--~***-*
| |
| ***xstt'**s:-,r*------
| |
| ... 5%51JO'G"___
| |
| 01-CH -FT -1124 FT-CH-1127 SR 01-CH -FT -1127 TRANSMITTER, FLOl1 MESI 5.2 SYPB 5.1.2.G XSIG 5.4 5965D06 01-CH -FT -1127 FT-CH-1130 SR 01-CH -FT -1130 TRANSMITTER, FLOH MESI 5.2 SYPB 5.1.2.G XSIG 5.4 5965006 01-CH -FT -1130 FT-1150 SR OI-CH -FT -1150 TRANSMITTER, FLOH MEQR 5.1. 7 MESI 5.2.2 XSIG 5.4 114ft8-FM-88A 01-CH -FI -1150 FT-Cll-1160 SR 01-CH -FT -1160 TRANSMITTER, FL011 MESI 5.2 SYPB 5.1. 2.G SENS 5.4 11448-FM-888 01-CH -FC -1160A 01-CII-FT-1181 NSQ O 1-CH -FT -1181 TRANSMITTER, FLOH SYPB 5.4 XSIG 5.4 STRU 5.2.6 11448-FM-888 01-CII -P -1A 01-CH-FT-1182 NSQ 01-CH -FT -1182 TRANSMITTER, FLOH SYPB 5.4 XSIG 5.4 STRU 5.2.6 11448-FM-888 01-CH -P -18 01-CII-FT-1183 NSQ 01-CH -FT -1183 TRANSMITTER, FLOH SYPB 5.4 XSIG 5.4 STRU 5.2.6 11448-FM-88B 01-CII -P -IC IICV-CH-1104 SR 01-CH ~IICV -1104 VALVE, HAND CONTROL;GLOBE SYPB 5.1,3.D AFLO 5.4 11448-FM-888 01-Clf -TI< -1c HCV-CH-1105 SR 01-CH -HCV -1105 VALVE, HAND CONTROL,GLOBE SYPB 5.1.3.D AFLO 5,4 11448-FM-BBA 01-CII -TK -1B HCV-CH-1110 SR 01-CH -HCV -1110 VALVE, HAND CONTROL;GLOBE SYPB 5,1,3,D AFLO 5.4 11448-FH-BBA 01-CII -TK -IA 'IICV-CH-1137 SR 01-CH -IICV -1137 VALVE, HAND CONTROL; GATE RCPB 5,1,1,A ISO 5,4 11448-FH-BBC 01-CII -E -4 HCV-CH-1142 SR 01-CH -IICV -1142 VALVE, HAND CONTROL; GATE SYPB 5.1.2.G ISO 5.4 1144B-FH-88C 01-CII -E -3 IICV-CH-1166 SR 01-CH -HCV -1186 VALVE, HAND CONTROL; GATE SYPB 5.1.2.G FLOC 5.4 11448-FM-BOB 01-CII -FCV -1160 HCV-CH-1200A SR 01-CH -HCV -IZOOA VALVE, GLOBE HAND CONTROL ISO 5.1.2.G SYPB 5.3.4.A 11448-FM-88C,S1 01-CII -HCV0-1200A HCV-CH-12008 SR 61-CH -IICV -1200B VALVE, GLOBE HAND CONTROL ISO 5.1.2.s
| |
| * SYPB 5,3,4,A 11448-Fl1-88C,Sf 01-CH -IICV0-120DB IICV-CH-1200C SR 01-CII -HCV -12ooc VALVE, GLOBE HAND CONTROL ISO 5.1.2,G SYPB 5.3.4.A 1144B-FM-88C,S1 o1-CH -11cvo-12ooc IICV-Cll-1201 SR 01-CII -IICV -1201 VALVE, HAND CONTROL;GLOBE RCPB 5.1,1,A ISO 5.1,2,G 11448-FM-68C 01-CII -E -4 IICV-CH-1244
| |
| * SR 01-CII -IICV -1244 . VALVE, HAND CONTORL;3-HAY SYPB 5,1,2.G FLOD 5.4 11448-FH-BBA 01-CH --14 :11cv-c11-1303A SR 01-CH -IICV -1303A VALVE, HAND CONTROL;GLOBE RCPB 5.1.1.D ISO. 5.4 1144B-FH-8oc 01-CH -HCV -13038 Page: 82 APPENDIX 8. 1
| |
| * Variable Classifications Category Variable Description Mark NLSlber D*26 2 CONTAINMENT SUMP WATER TEMPERATURE 2*RS*RTD-250A 2 2-RS-RTD-2508 2 2-RS-Tl*250A 2 2-RS*Tl *2508 2 2*RS*TT-250A 2 2-RS*TT-2508 D-27 2 MAKE-UP FLOW IN 1-CH*F-1122 2 1*CH*FC*1122 2 1*CH-FC*1122A 2 1*CH*FC-1122A/R 2 1-CH-FC-11228/R 2 1*CH*FE*1122
| |
| * 2 1*CH*FI*1122A 2 1-CH*FI-11228 2 1-CH*FQ-1122 2 1-CH*FT-1122 2 . 2-CH*F-2122 2 2-CH*FC-2122 2 2*CH*FC*2122A 2 2*CH.* FC* 2122A/R 2 2*CH-FC*2122B/R 2 2-CH*FE-2122 2 2*CH*F1*2122A 2 2*CH*F1~2122B 2 2-CH*FQ-2122
| |
| ** 2 2-CH*FT-2122 D-28 2 LETDOWN FLOW OUT 1-CH*F-1150
| |
| .YSTEM DESCRIPTION 3.3.5 Flow Contrcls
| |
| * a. IT-122 This flow transmitter on the charging line upstream of the regenerative heat exchanger transmits a signal to a controller locatec in the control racks, and a flow indicator in the main control room. The co~troller regulates throttling valve FCV-122 in the chargir.g line to maintain a preset charging flow. A Reactor Coolant System pressurizer water level controller (LC-459F)
| |
| ,. in response to pressurizer.level error between actual level and programmed level, generates.
| |
| a signal to reset the charging flow setpoint increasing or decreasing charging flow in order to rest:.:ire pressurizer level to its programmed setpoint.
| |
| The pressurizer level controller is provided with adjustable maximum and minimum flow limits that can be preset and fixed on initial calibration of the plant. Maximum flow is not limited. Minimum flow, however, is limited to approximately 15 gpm to ;revent flashing downstream from the letdown orifices.
| |
| Approach to either of these points initiates an*alarm in the main co~trol room. Also located in the control room is a "manual" leading station providing for remote manual control of cont:-:;l valve FCV-122 until the system permits switch over to the "a'..:tomatic" mode of control. b. FT-150 ~his f:~~ :~ans~itter on the letdcwn line cio.rnstream from the ncn-:-eger.erative heat exchanger transmits a signal to a flow ir.~~cat~r located in the main control room. This indicat::~
| |
| ~er~its t~e cnerator to nonitor letdown flow. This instruoc:-.:
| |
| alsc provides a high a:arm in the main control roo~. a!,S"'."iNGt-<CL:SE EL!:CTRIC CORPORATION SUCLE.A.R E?iERGY SYSTE~S * .... ,, s~n.?G *~ "'O ?o;e_g_ oi _1* _: I I
| |
| ** *
| |
| * Prepared By: APPENDIX 8. 13 Technical Report No. Control Room Design Review Charging System Flow Indicators, not capable of displaying maximum flow values NUREG-0700 Surry Power Station Nuclear Engineering Power Engineering Services .Virginia Power April , 1990 \ \ Reviewed By: .>r?f r~ Ell'/ Fol!.D"'I I -=c;;_-.:....'/
| |
| _'1--.....::fa....::'O_
| |
| Date Approved By: --------------------
| |
| /
| |
| Date 18284A-1493770-B1 QA Category Safety Related Key Words: Control Room Design Review Corrective Action -CA17E Human Engineering Discrepancies HED 20A03405 FINAL DRAFT
| |
| * I-* . _. Title INTRODUCTION
| |
| | |
| ===1.0 PURPOSE===
| |
| : 2. 0 BACKGROUND
| |
| | |
| ===3.0 METHODOLOGY===
| |
| | |
| 4.0 5.0 6.0 RESULTS CONCLUSIONS ATTACHMENTS 18284B-1493770-B1 TABLE Or CONTENTS i 2 2 3 FINAL DRAFT
| |
| * * --* INTRODUCTION 1 .0 PURPOSE The purpose of this Technical Report is to document the development and and acceptability of justification for not implementing portions of Corrective Action CA 17E, which was proposed to resolve Human Engineering Discrepancy HED 20A03405 -"Range of the Charging System Flow Indicator."
| |
| | |
| ==2.0 BACKGROUND==
| |
| | |
| The Control Room Design Review (CRDR) was conducted at Surry Power Station with NUREG-0700, Guidelines for Control Room Design Review; NUREG-0801 Evaluation Criteria.
| |
| for Detailed Control Room Design Review; and Supplement 1 to NUREG-0737, Requirements for Emergency Response Capability (Generic Letter 82-83), as guidance.
| |
| The survey was conducted using measurements, observations, questionnaires/interviews, and documentation reviews. Using this process, numerous deficiencies were documented, ing this HED. HED 20A03405:
| |
| | |
| ===3.0 METHODOLOGY===
| |
| | |
| Range of RCP Seal Water Flow Indicators FI-1122A,.
| |
| B (Unit 1) and FI-2122A,B (Unit 2) are unsatisfactory.
| |
| In order to comply with NUREG-0700, 0801, and Supplement 1 to 0737, STD-GN-0005 (Human Factors),.
| |
| the scale range of the charging system flow indicators was to be expanded.
| |
| Also, :the scale was to be changed from square root to linear, allowing operators to more easily read flow values over the full range of the charging system operation.
| |
| Design Change Packages 88-27-1 for Unit 1, and 88-28-2 for Unit 2, (Recorder and Flow Indicator Modifications), were being prepared in accordance with STD-GN-0001, and would include the task of charging flow scale range sion and linearization.
| |
| A 30 percent Project Design Review Meeting was held at the Station. The meeting was attended by Operations, Construction, and Engineering personnel.
| |
| Each of the corrective actions that were grouped into DC-88-27-1 were discussed.
| |
| The proposed changes affecting corrective action CA17E (Charging System) are summarized as follows: a. Rescale the charging system flow indicators from 0-150 gpm to. 0-300 gpm linear. b. Linearize the indicator scales Virginia Power was to investigate the feasibility of the flow rate changes. 18284C-1493770-B1 FINAL DRAFT
| |
| * *
| |
| * 4.0 RESULTS A recent,.-memorandum (Attachment 1, Item 3) form the Systems Engineer, indicates that rescaling of the flow indicators would not be feasible.
| |
| Changing the scale from 0-150 gpm to 0-300 gpm would be too broad a range for the small flow anticipated during system operation (normal flow is ..::...-45 gpm). A Notes of Telephone Conversation (Attachment 2), signifies that the current range (0-150 gpm) of the charging line flow indicators is correct and should not be revised. However, the indicator scales should be changed from square root to linear, thereby fulfilling a prior commitment; which will allow operators to more easily read flow values of the charging system operation over the complete range of flow conditions.
| |
| | |
| ==5.0 CONCLUSION==
| |
| S Only partial implementation of corrective action CA 17E ( linearization of scales) is required, because of the following reasons: 5.1 NUREG-0700, Sections 6.5.1.2d.1 and 6.5.1.2d.2, state that *" [scales should be graduated and numbered so that readings are related in a direct and practical way to the operators tasks, ... d. Scale Range -Scales should be selected to: ,. Span the expected range of operational parameters, or 2. Employ appropriate scale ranging techniques.]" Existing_
| |
| scales are in compliance with the _above-mentioned tions of NUREG-0700.
| |
| | |
| ===5.2 Memorandum===
| |
| | |
| from Systems Engineer, which indicates that expanding indicator range to 0-300 gpm would be too broad a range for this application.
| |
| The flow indicators pointer would remain at the lower end ( less than one fourth) of full scale. Therefore, readability would be decreased; which will increase the ity of operators taking incorrect readings.
| |
| Normal engineering practice is to utilize instrument scales which allow pointers to be approximately mid scale during normal operations.
| |
| | |
| ===5.3 Notes===
| |
| of Telephone conversation; which indicates that the normal charging line flow rate is 45 gpm, and current indicator range is suitable.
| |
| This action will allow the normal flow of 45 gpm, as well as the emergency operating procedure setpoint value flow rates of 25 and 60 gpm to remain in the lower half of the indicator scale; and be easily read by the operator . 18284C-1493770-81 2 FINAL DRAFT
| |
| * *
| |
| * 6.0 The corrective action which should be taken is to replace the flow indicator square root scales with linear scales of (0-150 gpm). ATTACHMENTS
| |
| | |
| ===6.1 Memorandum===
| |
| | |
| dated April 4, 1990, from: T. DiVecchia to: R. Arsenault
| |
| | |
| ===6.2 Notes===
| |
| of Telephone conversation
| |
| -dated April 19, 1990, between T. DiVecchia and W. Thomson . 18284C-1493770-B1 3 FINAL DRAFT
| |
| * Memorandum
| |
| * ............:*** . "' prt, S1 fJ tA-11.rJ.
| |
| 4 ;cJ.!8~, 1 Q 1,l7; 1 .t; N'. " ,1;://4' 71' 9 ,l,..,AJ". . v ** ~:.*~~ '*1" CA11.e-b-'-.,,..ck**,.r (br:-:v t?(+: 1 u.+,,t J ,M, J' tJ sd-c~ ,..t,. u j. ,L..,, J"('I' .J'(J. ._J JJ( ; --'-< v k. q-/1* ,,, 1fl,.., * ' .-0 -21'0 W== 'T">r46+, .... 4-" "-< s/7 , zt, .! : CA 176" * :::! -t.::. :;zt...--* FINAL DRAFT I I. * * --* NOTES OF TELE?HONE CONVERSATION P4'0Rn l ,*,~4~J,*, PO\'IEN: ;:;,,,-1g~J ut11-; 1 1 i SURRY POWER STATION -UNITS 1 & 2 J.O. NO. / '7-9 3 /'J. 7 () ETA.
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| NP NO. -----------
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| From 0 STONE & WEBSTER ENCi NEER iNC CORPORATION PACE (
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| * _ OF / CALL DA TE ;I /;?1fb TIME 7;.:j Q 8;.-, \,{ 8 Tfa.c h e .,,f :Z ,-/ OF VIRCINIA POWER OFSWEC OF Y. ,I .\) V,
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| * New Won: Authcrized By above: _____ _ *cc:: *CECYNeil-7
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| *CB.arunu~7
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| *
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| * AK&nerjee-7
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| *JBrennen-7 Pf:!UR.i11; bl1 ab cs WDCOfbin-Surry JMC.maf R. a nre~ .J t March 2.7, 1990 Preparer 11 ~-* 'YTe.. C Uow,JG:'.'b.:::
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| Proj. Engro Ccna.rrer,c::e
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| __ --'!_...,..
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| _____ _ R~ired fOlf' new wont authorized and technical bid evaluation.)
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| DEMcLellan*7 KCKnell*7 JDMalelc*7 . RRShee~-7 All Participan~
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| Job Book Cs) -FINAL DRAFT I I
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| * *
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| * Il.18 CORRECTIVE ACTION EVALUATION CA NO.: 18E CA DESCRIPI'ION:
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| Change existing annunciator for Safety Injection actuation to Train "A" actuation only. Add new annunciator for Train "B" Safety Injection actuation.
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| EQUIPMENT MARK NO. SI Reset/ Actuate Pushbuttons (Train A/Train B) Il.18.1 HED REVIEW -ORIGINAL FINDINGS IIED NO. 20A03406 HED No. 20A03406 -No feedback that pushbutton controls have been activated. (NUREG-0700, Section 6.4.3.1.b)
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| The original CRDR determined that the operator is not provided with visible indication that the pushbutton control has been depressed which may cause delays and or errors in operator response.
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| The proposed modification would provide separate Train A/Train B Safety Injection Actuation alarms . Il.18.2 IIED REASSESSMENT
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| -PROCEDURES/PROGRAMS REVIEW EOPs IXI YES D NO D NIA Multiple procedures, 1-E-O EPIPs 0 YES IXI NO O NIA The SI control pushbuttons are not identified in the EPIPs. APP.R 0 YES IX) NO D NIA SI controls are not Appendix "R" related or appear on auxiliary shutdown panel. ERF/SPDS IXI YES D NO D NIA SI signals (TR A & TR B) are in ERF as points X1SI009D, X1SI010D . V ARS01H.B7S-l RG-1.97 DYES 18:JNO ON/A The SI controls are not R.G. 1.97 variables.
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| LERs/lOERs O YES IXI NO D NIA No LERs/IOERs were found concerning SI controls.
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| HPES/STA DEV/SOER DYES IXINO ON/A No station deviations/SOERs were found as a result of not having feedback of SI controls.
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| TECH SPEC ITEM DYES IXJNO ON/A SI controls are not Tech Specification related.
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| * *
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| * Il.18.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The current means of feedback indication provided to an operator when the manual pushbutton controls for safety injection actuation are pressed, are the control room annunciators alarm nos. 1A-F4 "SIS INIT," and lE-AlO, "SI MAN !NIT." Either SI Train A or SI Train B pushbuttons on the benchboard will cause the alarms to annunciate.
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| Operators are trained to operate both train A and train B pushbuttons to initiate SI. The ERF computer also provides information regarding Train Affrain B SI actuation.
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| When SI is reset, both Train A/B SI reset pushbuttons must be operated to clear the alarms. The manual SI reset pushbuttons are reset as required in various operating procedures.
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| Both SI reset pushbuttons must be operated to clear the SI alarms. SI reset data is also available in the ERF computer.
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| During the CRDR reassessment, it was determined that a single annunciator window 1A-E4 "SIS Blocked" exists. Two separate windows "SIS Blocked TR A" and "SIS Blocked TR B" would provide additional information/feedback to an operator regarding safety system status. Safety Significance
| |
| -The SI actuation/block controls are safety related, Class lE. Potential for error ----sI Reset -The potential for error due to lack of feedback of the SI reset function is low based on operator actions taken during resetting SI. The operators depress both SI TRA/TRB reset pushbuttons.
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| The feedback is the extinguishing of the TRA and TRB alarm lights. Consequence of error -SI Initiate -The potential for error due to a common SI TRA/TRB annunciator is increased due to the delay in operator response when determining status of safety system actuation.
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| The operators are presently trained in response to a lost safety train which is considered a probable event. SI Blocked -The potential for error is high, based on no positive indication that a safety train is not operable.
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| SI Reset -The consequence of error would not risk injury to the public or station personnel/
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| equipment as an attempt would be made to operate/shutdown equipment and verification/self-checking of the alarm window would alert an operator that both reset pushbuttons had not been depressed.
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| SI Initiate -The consequences of error due to not having separate SI Initiate TRA/TRB alarms would be a delay in operator response following accidents.
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| The operator would be required to determine safety system initiation by observing the status of individual SI components.
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| SI Blocked -The consequence of error is the inability of the operator to determine if both trains of SI are blocked. A SI train unblocked may result in inadvertent safety injection actuation during plant shutdown.
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| Il.
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| | |
| ==18.4 CONCLUSION==
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| S/RECOMMENDATIONS Based on the information provided above, even though no documented errors exist resulting from the failure of an operator resetting SI, *the addition of separate annunciators for Train A/Train B safety injection initiation and Train.A/Train B safety injection blocked would be beneficial to operators.
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| The addition of these alarms will reduce the potential for error and minimize the consequences of error, therefore it is recommended that these modifications be implemented . V ARS01H.B7S-l
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| * *
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| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
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| CORRESPONDENCE CHECKLIST D D D D D D D D D D EJ.
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| . -z. , ..... -, 7. ,, .. .....,.\
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| * G I\ lee;
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| * ttJl'IA~ EN6IIEE1U"t6 Dl&Ci<EuANC~
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| KEPOR~ c.A I Be '8/23/85 PAGe 42 QJRRY LlilT e CODE A ASSESSIENT LAST REVIEW Tin.£ IIESP(J(SIBILITt STATUS DATE --------------------
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| -----ENS II -5 IS/28/85 1t.M ERROR: DWIY /ERi!OR It. DP RESPONSE, Hf PRO!lD DESCRIPTION:
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| OPS ~Ve. fiCiT FEEDBID( lttA'T Pi.15iriHUTTili ca-Ti!IU WM BW<<llVATED, 17N PAIUlG!W'!, ~k: 6. 4. 3. 1, b SUS6ES:ED
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| ~Fii: ADjUS; Tu !:;;Oi tt:.51ST~
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| "1-11:N DcVitdiSlN6 PB:i, a.l:iiJRI:.
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| PERIODlC ~INTtNAICE OH iti CONl ROLS, Hf DISPOSiTiillv:
| |
| / ADD ~C:il'-l~iYt STAiiki LlliHT, . DATA Ciit.ili:T:.~
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| ni:..scrtri:inuN lftD COL't ~k: TH.1 CONTfcuiJi SURVEY .**. ' . , *. ITE!'.S INVO!..VED:
| |
| Miu< NlJIBcli LOCATlO-:
| |
| COff>ONENT SYSTEJI 9.JBSYSTBI SI RESET
| |
| * ff HOT JN JNV FILE t t ----*-*-------
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| *-*---*---------*---
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| **----.... **-* .: * ~--* d-J>.~
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| ~L. .. ----*--~~-* ---*--_-. -. . . . .. ---~* . . -~-d_e__~_w_tJ_~
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| * -. *> '\~a.\) {\<.M> , "c\.\ro .. :nN\ -j:.-'2.----**;;---.
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| ---*-*-----------**-------
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| *------~~-~~~..R~_s.e7, ~~~--S_& --** , --_______ _p_Jft;(}_y.j_Jj-J.J=;:g
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| __ 4~JJ~_(_-~-~-'i--~ _ -*-~~;:z..c...--~.J-~
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| Al~ T)c/hf' ti"_ -ad..~-----------*--
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| _s~_.l ''1\\.t_fu_o._~~h. __ .:::rr:_~-.
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| * I uc r ..-? J * ,.. . *-. C Jt rEl/"'JJl t'f E: C c;o Trl O ''-tct:ltx.5 VlldQ:C ,, (.Jrc*0 . i w----.-. .. **. . (.,"'J-<lc.l wntk,_ *o .... . . -'.* . : . . . . .. ----.. ______ :_ **-*****-.:___
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| .. . .. --~S: /NCD(E'" .-f=lUX . ./).f=T(;_r;._7o,;_
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| __ S'/ST(;(l{
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| ----/~ i ... . ~£-.!.--INSe.12..T, WlTtJIJ~/)W~J
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| -~ REco~D--a.~t"cW.-\ W'\~ ff\°'~\ """ \ \1..b \J_..... -*--*-** ----------------
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| v' c; s D f: * *, _ ""h. * .
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| * D ...... 1 r. * .. -, A _ I * , ; -. . ----* --" "I __ ,, .JC .... -------~-\1\J~-,-bo'-~J
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| _ _y~-~.J.,~L~ . ... ., \ ~. . -~ . . . W-;,..o_..,..,.__
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| -. ' . . . dad~~} (~i t--"..A /. --, *--.. . ---*-*--*-----------.
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| -----_---~
| |
| -*-*-* *-*--* -*-*-* **-* ---*-*-:---*-*-*-----::n:::-~-.. . -7. £_(;:. Rt:. l tt~--~-------____ . __ . ________________
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| * _ ______ _ __ _
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| * __ 8 I. f</J/Sl: .. ~---1tzJ---~_:_:=_
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| -~ 9 NJ..,;., ~n -cs .r1-oJl f{c*t o~*r':.; '.. . ! . f /< t. ~: \} .e.., 't. I<. p 1-. e: -_;;;~ -{I..A~(...I
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| ~...t..r.~:---.;
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| LL .. D. -~ oJ(J_ ttr*,c-...._.1. . ) ,
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| ; *--*--* --. --*-----** *-***---**--------**-*---*-.
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| * _.~Io , E .e l#.1) ____ Co.;v.!Ro t... __ -f?. e s_s -*7--~-5~ -~ # '---. : ,/ { _____ ---------------*-----
| |
| .. . . -. ------*-*
| |
| ----~ **------*,* .., ___________ J.! __ C),f-Jtf<~Jlv_~--UN.,c----?--.k rJ _vJ '4fi ,_ __ S 7_uJ~_ /JF-____ . . --------h (o-JW Pif-'-eo.pa.c.,~ -Jr-:-r ---* ---* -----***--*
| |
| -~----.... I). . . . . \* ____________
| |
| ,_ . __ $.I.~AM __ ..J)11_t<1fJ
| |
| -OJ.Jo..\\~s~
| |
| ___ u __ o.JJ.1 11 _ ttvJB _* ----------*---------------
| |
| -*------*--------
| |
| .. ---**********
| |
| ---*------*---------
| |
| *-.. -* ..... -------------*--
| |
| -*,** -----* *. --*-----**-*-.. --* -*--* ... -----*. ------.----*----------. -. . ----* *--** *--. -
| |
| CONTROLS APPENDIX B9 HUMAN ENGINEERING DISCREPANCY (HEO) REPORT *
| |
| * J"'!I LQ1---0 "'i""T Sv rt f( 'l /u1v f '7! / I zO~ , ..,Quo~ PLANT7UNIT 7 ) -\ h /ZV. . ~.J HE:o Na.: Pr -b 7 :) ~,o,. \ Jl -I'\* VALIDATED BY: . . OA:E: rJ' &o/\4 /. t,1 / 9 S' 7 *; .. ,_. a) HEDTITLE:
| |
| :it+-:,g_...* "A,4 /\,,3)
| |
| ORIGJNA.TOR-:
| |
| b) ITEMS JNVDL VED:
| |
| -* 89-1
| |
| -* * . .:ONTROLS APt'E:NDIX B9 HED REPORT (CDNTJNUCO) V t'c. (/,,!f ~Nm I r'. J. PLANT UNIT 7 g': REVIEW AND DISPOSITION:
| |
| .. B9-2 TP-4.1 1 May l9B) HED NO.: fl -7
| |
| .. (. '* '* I
| |
| * HED PRIORITY RECORD '--1 _HE_D -" "'-'/.n"--1+-----'I . 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?.
| |
| : 3. HIGH SAFETY IMPORTANCE NO . (PAM OR 1E)? ~-ERROR POTENTIAL?
| |
| : 5. CONSEQUENCE OF ERROR: . YES CATEGORY I NO 2 2 NED YES YES 3 '~ 6 (l!,/ HIGH 3 5 _L. HIGH CATEGORY 11 CATEGOIIY Ill NO
| |
| * _.., .. *-.. "":' :: .. ::, . *.* ... * ;-' ... *. *:** **.::-: ' \ HED NO. Pr-~ 7-{, .2. 0~ 0 -3 '/ o 6 ) *' . -.... VIRGINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION ST AT JON/UN IT-* ________ s __ . ___ u __ v--_r--+-{----U
| |
| ____ ,..., __ ; ..:.-+ ..r_..:..'/_ . .:;..:J_.2=---
| |
| MARK NO *. ------------------------
| |
| 1 TE M DESCRIPTION
| |
| -,lA f f-y T ~j t. c.1; o~ f;! .r e-f -Pe,..-. .r.r i Jc L if~ f *_ CHANGE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTION~
| |
| * 0 h +Ji e. Sf a iu.r . d; o ..._ * {' -jj~;,fic.
| |
| Ii 111/( --re..r e. fr-., : _ .... -.. :.. . *.,*~~ .... :--~* . . *. . .. *. ' .. .. . . COMMENTS:
| |
| --------~------------------
| |
| ORIGINATOR
| |
| __ g-=* ...i;.z:.-F.
| |
| ...... _...._/1_,_.
| |
| h.._'I ___ DATE REVIEWED -'.: J' -2 7-/£' -*-., .. *:. *:. *._. ... : .. :* ... . . *"*.-*** .. *. *** .2£~: __ ~.~~ls.2t:~~:,~_:LL::"~~,;~:~-e**~.i:.~;~'.:2~1.-~::.:.
| |
| *~:;. .: . . , .. --:-. . . ";.~ ;_ * ** CONTROLS 6.4 PUSHBUTTON CONTROL SPECIFICATIONS
| |
| | |
| ====6.4.3 GUIDELINE====
| |
| | |
| 6.4.3.1 PUSHBUTTON DESIGN PRINCIPLES
| |
| : a. b. c. POSITION-Pushbuttons in a row or matrix should be positioned in a logical order, or in an order related to the procedural seauence.
| |
| INDICATION OF ACTIVATION-To ensure that the operator knows that a pushbutton has been pressed far enough for activation, a positive indication should be provided in the form of a snap feel, an audible click, or an integral light. PUSH BUTTON SURFACE-For best operation, the surface of a pushbutton should offer slip resistance, or be concave. -CA IBE. *. 6.4-11 N/A I COMPLIANCE CHECKLIST Yes No Reference/Comment I I I . I ' I I I I I ' I I I I I I I i I SURRY NUREG 06~~ COMPUTER INru*r;ourrur LIST e1-1 1:T1* 1 r.J1~* 1*, .. ,,~-* *rA-1 1* N1=*1 rr r.*o-..1n1:**'-1c*1*.:*t*1 1**,E:*r:*or***1*
| |
| '">-, ....... . *-. -* * .. ,., I ..... I 1.1 .. . \ * \ LIN!(, _INI( :*CMAMNEI
| |
| ... !lCH<T
| |
| * P(\GF G' ------------. ---. . **----*. --------*---**-----------*---------*----------------------------------*------------------
| |
| :l r ' POINT l,, :to ,, --* ... **2*** ... .... . ..................
| |
| -.............
| |
| -* .... *-...... . INPUT NUMBER INHTW.JMENT M?il";;I<
| |
| NlJjij[:ER 4 POINT DESCRIPTION D1-\TF TEBTE:D 6 6 {,0 :I. 6:~ 3 I. I N ({ !3 C LI H E: '~ L N I N N E K L. B T A R . ........ _.,,.-... . T !3IEiNr'.\I
| |
| .. , TYPE; 8 I T \ l 1 1 0 "'1 Ci ( ,., -***-*-***-**-***-**
| |
| ****-**-*****--**"*-***
| |
| I I N N V I F r OPEN CLOSED H nrnn: Blf',TE ("' ,:l c* ,'.) DESCf,'. DESCR T Vi (-\ {~ ,., T I( E -------------------*-----------------------*---------------------------------------------------------~---------------------------
| |
| * X1EE01 S1[1 1.Sl-<1-;2:l l j_.(j,.J-l
| |
| :L 'iUO V EME}: i::un 1. ,.11 Bl~ I< (PU 01-*14*-*Bb
| |
| ()2 7 ~?.1 0 2<1 VDC () DF'EN Cl..OBED X1EEOnD Hi14-21? 14,J-*1.4 4!JO 1,) ~3PLV MCC ldl*-*2 BRI< (PL) O:I. *** 1 'f*-~U> 02 .. , I ?:L 1 ?t.f VDC () OPEN Cf..CIBED
| |
| * X1EE{X~W rn14-:2rn H,.J-16 .11::.10 V !:JPI .. V NCC :l.,.J1 ***1 DF:I< <PU 01--1,1***8/, 02 7 c~ :L 2 ;:~-1 VDC () CWEN Cl..DSE[I X:LEE004D rnn----011 2"/***1,.12 BUS 1J 'JOI..Tt~GE 1..EBS 70% (PU () 7-*** l '/ ... <) () 02 (:\ .. , 01 0 .l :? !:i',!D C 0 V NOf<lii V < 7()% -x :1. cxoo;;~D :L s;.:::8--o;::
| |
| i CUH-IIHI TF:B (:I. Cl ... S HI-I TN B CNTMT HI-I PRESS <PU 07-*1/**<J()
| |
| 02 8 o:,~ 0 ?4 l,,l[I(; () MORMf~L ll::IP X:LSJ.010D 1 s:?3-*0:i~:l SHi TR r* :* (1) SI GIGNAL. TRf.1lN B ( p L.) 07**** l. 7*-1/0 0:2 0:2 1 ?4 VDC () NORMAL Tf;:IP , )( l CXOOll[I :I. f;~~:~--o;~
| |
| ~l CU3*-HI TR E: (:I. CLB HIGH TN B CNTMT HP <PU 07-*:Ll***S'O 02 8 02 2 ?.\J VDC () NORMf',L Tl::JF' X:I.MSOO:::'.D 1S?3-*0:1~4 MSUS TR E: (1) Mi:-,.> LINE I!:iCII..AlHIN SIGNf'.11..
| |
| <PU 07**** t "1-**90 02 !:.\ 0:2 ,:, ., :? 11 VDC () NORMAL TRIP , X:l TGOBD rn2:~-061.
| |
| SVl***XB < 1) TUREtJME GTOP 1,lr!.)LVE 81..l) (PL) 07*-*17**-9()
| |
| 0:2 C:3 06 0 ?.<I l.![IC () CLOSED OPEN X:l.T0007D
| |
| :I. £l:l3****
| |
| 06~3 MH1.****XB
| |
| (:I. ) .~uro STOP ASTJ***XB OIL F'MP <NU 07-*1.7-*9()
| |
| 0;2 !:} 06 2 VDC 0 NORM LOW , X1TB017D rn;;'.:~-on SV2***:<B u.) TURBINE BTOP V/-ll ... VE SRI.J (PU 07**1 l***S'O 02 8 07 0 ?-4 lJDC () Cl..0S[[1 OPEN X1.TG0090 1s:!~3 .... 07::1 A~T~~---XB
| |
| <:L) AUTO STOP hHT?***XB OIL PMP (NU 07***1"/*-()()
| |
| 02 ,., 07 r\ :?4 VDC () NORM LOW ,;., .::. , XlTG01.lD 1B?~-3***0H:l.
| |
| :-,1,,::~***XE:
| |
| (1) TURBINE ffTOP l,, 1 AL.VE SI..L.. (PU 07-17***90
| |
| ()2 B 08 0 ;::.1 l,![IC () CLOSED OPEN X1T0008D 1 G:?3*-0l{~}
| |
| AST~!****XE:
| |
| (:I.) AUTO STOP <-)BT;~***XB OIL F'MP <NU 07*** 1. "/***90 ()2 B ()Cl *-* 2 :?4 VDC () HORM f..(ll,I , XHGOHiD rn;;: ::J *-09 ::i S\J.1-*:<E:
| |
| 0.) TUl";;EcINE BTDP Wll ... \JE SRL (PU 07*-17***1/() ~)2 t:) *.* 09 2 ?.<J 1,,1[1C () Cl .. OtlEU OPEN X:IVE:001.D 1S?3**10l VE: 1.-*Il MM! SN VB 1****II l<iANl.lAL.
| |
| XFRB (PU 07*** 1. "/**90 02 f! 10 0 ?*'I VDC () TO rn*.,1 TO SOL.A , X l l)B002D 1.823*-10?
| |
| VB l***II WlN S~l VE: l ***I I Mf-1NI.JAI
| |
| .* XFFW (Pl ... ) 07*** 1 /*-~'() ()~~ H lO 1 ?4 VDC () TO S0Ll*, TO JNl,I XJE:'*,'OOW 1S?3~-tO~~
| |
| ET-Ct-\E:****:lB 1?!5 V WC> OISTIHN Ci~B :I.H (PU 07***1 "/*-90 02 8 :1.0 *~ ,:.. ?4 '-lDC () <.l2!WDC >J.2!:NDC , ~,lFvl006[1 1.S~~:3-281
| |
| :t*-*rn--MOV-.1.5lB AFW PMP MEf.'1DER VAL.1,, 1 E BG C <PU ()7--11***
| |
| 1/0 02 r:;: 28 0 :I. ~~OVAC 0 Fl.ILL. 1) .. [1 M Fl.. CL[!
| |
| * *
| |
| * 11.19 CORRECTIVE ACTION EVALUATION CA NO.: 19E CA DESCRIPfION:
| |
| Rewire Pressurizer Heater Control switches so that when the switch is in the pull-to-lock position, the green light is extinguished.
| |
| EQUIPMENT MARK NO. 14A12, 14Bl2, 14C12, 14J9, 14H2 11.19.1 BED REVIEW -ORIGINAL FINDINGS BED NO. 20B12305 HED No. 20B12305 -Pressurizer heater control status light indication meaning inconsistent w/ other controls. (NUREG-0700, Sections 6.5.3.1.c, 6.6.6.3, and 6.5.1.6.d.1, 3) The CRDR displays and conventions survey identified that the pressurizer heater (control and backup) Green -indicating lights do not extinguish when the switch is placed in the PULL-TO-LOCK position which is not consistent with other controls.
| |
| DC-90-04/05 was issued which rewired the lights to be extinguished when the selector switch (main control room and auxiliary shutdown panel) is placed in the PULL-TO-LOCK position.
| |
| The DCP was never implemented . 11.19.2 BED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs l&I YES ONO O NIA Pressurizer heater status is not an EOP setpoint.
| |
| Pressurizer heater control and determining pressurizer heater status are included in several EOPs for natural circulation and pressurizer pressure/level control. Ref. l-E-3, 1-ES-0.1, 0.3. EPIPs DYES ONO IXIN/A The pressurizer heaters are not identified in the EPIPs. APP. R IXJYES ONO ON/A Pressurizer heaters (backup groups) are controlled from the auxiliary shutdown panel. The pressurizer heaters are not required for Appendix R safe shutdown.
| |
| ERF/SPDS IXIYES ONO ON/A Pressurizer heater backup group status (power 4i KW) is provided in the ERF. Point ID QIRCOOlA, QIRC002A VARS01J.B7S-l RG-1.97 IX) YES ONO O NIA Pressurizer heater status is RG-1.97 variable D-13 and provided in ERF. Power (KW) is used to determine status and functioning heater, not indicating lights. LERs/IOERs DYES IXI NO ON/A No LERs/IOERs were found concerning the operation of the pressurizer heater controls.
| |
| BPES/STA DEV/SOER DYES IXINO ON/A . No station deviations/SOERs were found concerning the operation of the pressurizer heater controls.
| |
| TECH SPEC ITEM IXIYES ONO ON/A TS 3.1.A.5 requires that 125 KW of heaters be operable.
| |
| * *
| |
| * 11.19.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE Pressurizer heater status and control is required in several EOPs. In addition, the pressurizer heaters must be operable (125 KW) per Technical Specification 3.1.A.5 for the reactor to be critical.
| |
| Pressurizer heater status is a RG-1.97 variable D-13. This variable is satisfied by the pressurizer heater backup group power inputs to the ERF. The specific NUREG-0700 guideline referenced requires that system/equipment status be deduced by illuminated indicators and never by the absence of illumination.
| |
| The present convention for pump control switches is that when in the pull-to-lock position, the indicating lights are not illuminated.
| |
| The switch handle position is indicative that the component is inoperable.
| |
| Current Control Room practice is to place a small red square magnet adjacent to the control switch when equipment is inoperable (Plant Status Log). When the control switch is taken out of pull-to-lock position, the component is returned to service and the indicating lights will be illuminated providing equipment status. The control switches for the pressurizer heaters are not similar in function to other pull-to-lock controls and are operated differently.
| |
| Placement of the control switch in lock-out or pull-to-lock position does not infer the availability of the heaters. The green indicating light remaining lit when in these positions provides information to operators that control power is available to the heater controls and that heaters are operable per Technical Specifications.
| |
| The heaters would only be declared inoperable when the _associated control switch was placed in pull-to-lock or lock-out position in conjunction with the use of the red magnets. All heaters (proportional and backup) are used for normal plant operation.
| |
| Backup heaters A and E are powered from the emergency buses and are used for emergency operation . During a walkdown of the pressurizer heater control switches in the Control Room, it was observed that only the proportional pressurizer heater has a pull~to-lock control switch and the other heaters (backup) utilize a lockout control switch. The proportional pressurizer heater control switch is a pull-to-lock, off, auto, on, spring-return to auto switch. The backup heater control switches are lockout, off, auto, on, four position maintained switches.
| |
| Safety Significance Potential for Error Consequences of Error -The pressurizer heater backup groups are safety related. Pressurizer heater status is a RG-1.97 variable D-13 (KW). The existing operation of the pressurizer heater status light and lock switch position is consistent with ~eater controls and would not result in an operator being misled regarding the availability of the heaters. The potential for error is low. The consequences of error due to the illumination of the green indicating light when in the pull-to-lock position would not result in injury to the public/plant personnel or damage to plant equipment.
| |
| 11.
| |
| | |
| ==19.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the above discussion, sufficient information is presented to justify not implementing the proposed changes which would. No station deviations, LERs/SOERs, or operational/safety concerns were noted concerning the pressurizer heater controls . V ARS01I.B7S-l
| |
| * APPLICABLE HEDs WITH BACK-UP D DOCUMENTATION I NUREG-0700 SECTIONS D I EOPs/EPIPs D I ERF/SPDS D
| |
| * I Q-LIST D RG-1.97 D LERs/IOERs/SDRs D I TRAINING MODULES D I TECH. SPECS. D I DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE D
| |
| * CHECKLIST
| |
| . ~-_.*-) _./ -** '-SURliY IA!T e CODE A OTED . "' r .,..,,.1,...
| |
| Hu:,.. N I J A,,: *_: '.j'.": ;!':.'..., AS_6:SS!11EN1 LAST. REVIE'lrl TITLE RESPurlS!B;LJTY STATUS DATE 2iB~2305 PRZR HTR CT~ STATLJS LT INDIC '6Wlh6 INtn.:SISTENT W/ 0Tt£R CTR!.S. ERROR: EhS I! -s fa7/ll/SS ERROR lN uP RESPONSE, fff PRO~ !)1:-SCRIPTIDN:
| |
| fft It. PUU.-TC'r-LOCK PO:i"TH, STATl.6 LTS 11:MIH LIT TO JNDICATEBR!(k FEEDIN6 HTR CTR.. CIRCS IN CUlSED CiR O'Eti. e1ee PARAS~ NIJo'Ek: b. 5. 3, l, t; b.:i. b, .3 £>, 5, l,b.L. l 6.5.1.6.D.3 suasESTED B'lv<FI1:
| |
| ~..r. bR*.E'I ~-" CTR.. IS liLJLl.-T~..O:K.
| |
| EXTINSUI&o l 6~t-STAT i.TS JN P-T-~ lkS:A-.. 3RD LT FOR Biil\R i:LDSED, DISPOSiTIDh:
| |
| / EXilNmi!&.-
| |
| itED/B'1N STATLIS !JS lN. Pi.il-TC-~~,{
| |
| l l~STIU 3RD WHITE STAT LT iO INDICATE BRr<R Ci.CSE liHEt.: ;.:T, DATA Cu:.L.E.:'T!OII DESCRIPTI~
| |
| AND CODE Ni!M:EII; rl""5, 1 DIS?L.AVS
| |
| &u11V:Y r~a. ! i:uNVEt.TICINS SUINEY T~.2 ~lil;ICATlDN k'.i> vA..IDATl~
| |
| fil:AA!v<~:
| |
| PH!7H2 !5:~ Vi-71H IE:~'11, Pl-70-3 !2i~~I), !TE~~ I hvilL. ~::D: If!~~ Nt.ffliicK
| |
| ~ui:l,iT~ut.
| |
| ~Ulltfii hAa.c SYSTE~ PRZii hTRS So ~(Jc\ _( 0 c_,~. SJBSYSTEM
| |
| . \ (
| |
| * 1i7
| |
| * APPENDIXB9 HUMAN ENGINEERING DISCREPANCY (HED) REPORT . 5 /o-,._d~ .* ~LANT/Ufil . {P~ PI~10) ORIGINATOR:
| |
| £-~Lr. . .
| |
| * t£D NO.: _tl.OB I-;? 30S t'd-JI. .:.x VALIDATED BY: OAlE: ~t£DTITLE:*~~~~ ' *~g)d ~. b) ITEMS INVOLVED: Su :;o~ o S </ (t..8 ~, IJ-eBtn/~
| |
| i Ver) ,2()/j:J-:i~c, C, ( A~ Fw ~) e) SPECIFIC HUMAN ERROR.Cs):
| |
| * * #It I /?1~ ~a,u.u.. d~.. (I B9-l
| |
| .(
| |
| * r
| |
| * I 171 .. APPENDIXB9 HED REPORT (CONTJNLED)
| |
| _ * ... 99 .. 2 t-Eo N*a.: ~~B! -:J~a.s' (P/r; .. f' I-lo)
| |
| *(-..
| |
| * J.
| |
| * HED PRIORITY RECORD *.i HED ,, , D I 0. 2. DOCUMENTED UNSAFE CONDITION OR TECH. .. . SPEC. VIOLATION?.
| |
| : 3. HIGH SAFETY IMPORTANCE NO . (PAM OR 1E)? ** ERROR POTENTIAL?
| |
| 1 2 LOW .. 5. CONSEQUENCE OF ERROR: ef( b -110 .. v----& 5 0 YES YES g HIGH f;* iiiGii
| |
| ,,,-... ) ... . . . .. VIRCINIA POWER CONTROL ROOM DESICN REVIEW HU.MAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION HED NO. f'I-7u-2 :2. CB/-).. 'l-o ,,_. *,
| |
| * _ ) !l~)~~-9----~~.........,:;.p-~~~~~~----~~...;...;.;* __ t ____ fA ?tel ; .r . ti. : ',.,: ,:* .** .,,.-.--.) . . . .* :~: ci,i *Z t. li ; I I .? COMMENTS:-------------------------~---~--------~-------------------~
| |
| ORICINATOR R F Iii!/ .... ,, .. DATE REVIEWED * *r-2;:-f.s-, --... :*. . .. . .... . . : .. "'** --** ...... *---~ . *.. . . .. . -~ .
| |
| ****-****--***
| |
| -****-***--**
| |
| *-****----***
| |
| *_ .... ,.,,\ )
| |
| * 6.5.1.6 COLOR CODING (Cont'd) a. REDUNDANCY-In all applications of color coding, color should provide redundant information.
| |
| That is, the pertinent information should be available from some other cue in addition to color. b. c. NUMBER OF COLORS ( 1) The number of colors used for coding should be kept to the minimum needed for providng sufficient information.
| |
| (2) The number of colors used for coding should not exceed 11. MEANING OF COLORS (1) The meaning attached to a particular color should be narrowly defined. (2) Red, green, and amber (yellow) should be reserved for the following uses: Red: unsafe, danger, immediate operator action required, or an indication that a critical parameter is out of tolerance.
| |
| Green: safe, no operator action required, or an indication that a parameter is within tolerance.
| |
| Amber (yellow):
| |
| hazard (potentially safe), caution, attention required, or an indication that a marginal value or parameter exists. d. CONSISTENCY OF MEANING ------------------( 1) The meaning assigned to particular colors should be consistent across all applications within the control room. (2) The meaning of a particular color shouid remain the same whether applied to panel surfacas or projected in signal lights or on CRTs . 6.So11 N/A VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6.5.1 COMPLIANCE CHECKLIST Yes No Reference/Comment
| |
| ' I I . I I I I I 1---:*** *
| |
| * 6.5.1.6 d. CAIC\E ..... -e. COLOR CODING (Cont'd) CONSISTENCY OF MEANING (Cont'd) (3) The meaning of a particular color should remain the same both within and among the various systems to which it is applied. PRINCIPLES OF CO.LOR SELECTION (1) The primary principle which should be applied in selecting colors for coding purposes which do not have the immediate safety implications of red, green, and amber is to ensure that each color is recognized as different from any other. Exhibit 6.5-7 lists 22 colors of maximum contrast.
| |
| Each successive color has been selected so that it will contrast maximally with the color just preceding it and satisfactorily with earlier colors in the
| |
| * list. The first 9 colors have been selected so as to yield satisfactory contrast for red-green-deficient as well as color-normal observers.
| |
| The remaining 13 colors are useful only for color-normal observers.
| |
| (2) Colors selected for coding shou Id contrast well with the background on which they appear. (3) Ambient lighting .in the area in which color coding is used will influence the apparent color of the coded element (especially for surface colors). Each color selected for coding should be evaluated under all illumination ditions under which it is used. 6.5-12 * *F* ""''":***
| |
| * * * * ** ** .,. -. ** ... ****-... *,,-**: **** * *** *,, **-'* VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6.5.1 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| .--~ * .. :f */ ;.:,~*::\
| |
| I **}
| |
| ** ............
| |
| -**-*****-*------
| |
| .... -..... 6.5.3.1 CHARACTERISTICS AND PROBLEMS OF LIGHT INDICATORS (Cont'd) c. CA IC\E .... .. d. PRECAUTIONS TO AVOID TATION ( 1) System/equipment status shou Id be inferred by illuminated indicators, and never by the absence of illumination.
| |
| (2) Provisions (design or procedural) should be made* to prevent interchanging indicator lenses. USE AS ALERTING INDICATORS-Alerting the operators to unfavorable status should be a function of the annunciator system and not assigned to light indicators . 6.5-21 N/A VISUAL DISPLAYS 6.5 LIGHT INDICATORS
| |
| | |
| ====6.5.3 COMPLIANCE====
| |
| | |
| CHECKLIST Yes 'No Refen,nce/Comment . I !
| |
| * *
| |
| * GUIDELINE 6.6.6.1 NEED FOR LOCATION AIDS Operator performance can be enhanced through the use of location aids such as demarcation, color, and mimics. GUIDELINE 6.6.6.2 DEMARCATION
| |
| : a. USE-Lines of demarcation can be used to: ( 1) Enclose functionally related displays.
| |
| (2) Enclose functionally related controls.
| |
| (3) Group related controls and displays.
| |
| : b. CONTRAST-Lines of demarcation should be visually distinctive from the panel background . c. PERMANENCE-Lines of demarcation should be permanently attached.
| |
| GUIDELINE 6.6.6.3 COLOR Color should be dedicated to specific functions or conditions throughout the control room in order for the code to elicit the expected operator response.
| |
| The color coding scheme should be used consistently throughout the control room. Refer to Guideline 6.5.1.6 for specific recommendations on the use of color . 6.6-24
| |
| * LABELS AND LOCATION AIDS 6.6 LOCATION AIDS 6.6.6 COMPLIANCE CHECKLIST Reference/Comment COMPLIANCE CHECKLIST N/A Yn No Reference/Comment COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| ... ...,_,_ / .... ::---.. ..
| |
| *" * * * .. -... --NUMBER PROCEDURE TITLE REVISION 6 l-ES-0.1 REACTOR TRIP RESPONSE PAGE 7 of 15 STEP ACTION/EXPECTED RESPONSE i--~~--1 RESPONSE NOT OBTAINED 1----------------.
| |
| : 8. ~CHECK PRZR PRESSURE CONTROL: a) Pressure -GREATER THAN 1715 PSIG b) Pressure -STABLE AT OR TRENDING TO 2235 PSIG a) Manually initiate SI. GO TO l-E-0, REACTOR TRIP OR SAFETY INJECTION, STEP 1. b) IF pressure less than 2235 psig and decreasing, THEN: 1) Verify PRZR PORVs closed: IF any valve can NOT be closed, THEN manually close associated block valve. 2) Verify PRZR spray valves demand at zero. IF valves can NOT be closed-;--THEN do the following:
| |
| : a. Stop RCP supplying failed spray valve:
| |
| * A RCP for l-RC-PCV-1455A
| |
| * C RCP for 1-RC-PCV-1455B
| |
| : b. Defeat TAVG and ~T control for affected loop. 3) Verify PRZR heaters on. IF pressure greater than 2235 psig and increasing, THEN: 1) Verify PRZR heaters off. 2) Control pressure using normal spray. IF normal spray NOT available and normal letdown is in service, THEN use . auxiliary spray. IF auxiliary spray NOT available, THEN use one PRZR PORV ... -.,
| |
| *
| |
| * f .
| |
| * NUMBER PROCEDURE TITLE REVISION NATURAL CIRCULATION CODI.DOWN
| |
| 'W'ITH STEAM VOID IN RX 4 l-ES-0.3 VESSEL PAGE 4 of 9 STEP ACTION/EXPECTED RESPONSE .--~~--1 RESPONSE NOT OBTAINED
| |
| : 4. CONTROL PRZR LEVEL: a) .Level -GREATER THAN 20% b) Level -LESS THAN 90% 5. CHECK RVLIS UPPER RANGE INDICATION
| |
| -GREATER THAN 77% a) Control charging and letdown to raise PRZR level to greater than 20%. b) Do the following:.
| |
| : 1) Turn on PRZR heaters to maintain PRZR pressure stable, 2) Lower PRZR level to less than 90% by one of the following:
| |
| * Control charging and letdown . Continue cooldown to shrink RCS inventory.
| |
| Repressurize RCS to maintain RVLIS upper range greater than 77%. RETURN TO Step 3.
| |
| *** ** * ---------------
| |
| --------NUMBER PROCEDURE TITLE REVISION 6 1-E-3 STEAM GENERATOR TUBE RUPTURE PAGE 26 of 32 .. STEP ACTION/EXPECTED RESPONSE i--~~---4 RESPONSE NOT OBTAINED t--~~~~~~---.
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: RCS and ruptured SG(s) pressures must be maintained less than 1035 psig. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * 33. CONTROL RCS PRESSURE AND MAKEUP FLOY TO MINIMIZE RCS TO SECONDARY LEAKAGE: a) Do appropriate action(s) from table: I " RUPTURED SG(s)*NARROY RANGE LEVEL PRZR LEVEL .. INCREASING " Raise RCS Makeup Flow LESS THAN 241
| |
| * Depressurize
| |
| [55%) RCS Using Step 33b BENEEN 241 [55%) Depressurize AND 501 [60%) RCS Using Step 33b BENEEN 50% [60%)
| |
| * Depressurize AND 731 [65%) RCS Using Step 33b
| |
| * Lower RCS Makeup Flow GREATER THAN )31 Lower RCS . [ 651] Makeup Flow b) Use normal PRZR spray IAY Step 33a DECREASING OFFSCALE HIGH Raise RCS
| |
| * Raise RCS Makeup Flow Makeup Flow
| |
| * Maintain RCS And Ruptured SG(s) Pressures Equal Turn On Maintain RCS And PRZR Ruptured SG(s) Heaters Pressures Equal Turn On Maintain RCS PRZR And Ruptured Heaters SG(s) Pressures Equal Turn On Maintain RCS And PRZR Ruptured SG(s). Heaters Pressures Equal b) IF normal letdown in service, .TI!fili use auxiliary spray. IF NOT, THEN use one PRZR PORV .
| |
| .. -* 1 ** *
| |
| * R1MS003A .. J04A Wsoo1A 82 INPUT NUMBER 276 277 278 1 1 l 81 INSTRUMENT MARK NUMBER MlNM013A 1S01-23A 1-PRO-NMl 1t MlNM016A 1S02-17A l-PRO-NM2 MlNM014A 1S02-16A l-PRO-Nl12 2.5 2.5 2.5 4 0.0005 0.0005 0.0005 POINT DESCRIPTION EXCR NTN FLUX SOURCE IRDJ <>
| |
| * 85 DATE TESTED 6 60 1 62 S C U H L i3 A I
| |
| * L N N I N K N E K L 32 INSTRU RANGE UNCONV 10-12-88 01 l 23 RMRKSC EXCR NEUTRON FLUX HIDE IHT) <> 09-24-88 01 3 17 RMRKSC EXCR NTN FLUX SOURCE (HT)<> lit vt~~~OlA 1Sl5-16A 1-RC-CT-lRCPlA RCS PUMP A LOAD (NL) *:1RC002A 1Sl5-17A 1-RC-CT-lRCPlB RCS PUMP B LOAD INL) ,. YlRC003A 1Sl5-18A 1-RC-CT-lRCPlC RCS PUMP C LOAD INL) 09-24-88 01 3 16 RMRKSC 01-21-86 03 4 16 0-lODC 01-21-86 03 4 17 0-lODC 01-21-86 03 4 18 0-lODC QlRCOOlA 1Sl3-22A l-RC-CH-14PH QlRC002A 1Sl4-22A l-RC-CH-14PJ FlRC004A 1S01-04A l-RC-FT-1414
| |
| 'if FlRC005A 1S27-01A l-RC-FT-1415 FlRC006A 1S05-19A l-RC-FT-1416
| |
| ** FlRC007A 1S01-05A l-RC-FT-1424 FlRC008A 1S27-02A l-RC-FT-1425
| |
| :1' FlRC009A 1S05-20A l-RC-FT-1426
| |
| .. FlRCOlOA 1S01-06A l-RC-FT-1434
| |
| * FlRCOllA 1S27-03A l-RC-FT-1435 FlRC012A 1S05-21A l-RC-FT-1436 t, FlRCOOlA 1S05-09A l-RC-FT-1961
| |
| **FlRC002A 1S05-12A l-RC-FT-1962
| |
| ..
| |
| * BKUP PRZR HTR lH BUS PHR IORl 11-06-88 02 5 22 0-lODC BKUP PRZR HTR lJ BUS PHR IPL) 04-20-88 02 7 22 0-lODC RCS LOOP A FLOH (RD) RCS LOOP A FLOH IHT) RCS LOOP A FLOH IBL) RCS LOOP B FLOH IRD) RCS LOOP B FLOH IHT) RCS LOOP B FLOH IBLJ RCS LOOP C FLOH (RD) RCS LOOP C FLOH IHT) RCS LOOP C FLOH IBLJ RCS A COLD LEG SI FLOH (Bl) RCS B COLD LEG SI FLOH (BL) 02-04-86 01 l 04 l-05DC 03-11-86 07 2 01 l-05DC 01-07-86 01 7 19 l-05DC 02-04-86 01 l 05 l-05DC 03-11-86 07 2 02 l-05DC 01-07-86 01 7 20 l-05DC 02-04-86 01 1 06 l-05DC 03-11-86 07 2 03 l-05DC 01-07-86 01 7 21 l-05DC 10-11-86 01 7 09 l-05DC 10-11-86 01 7 12 l-05DC l'lllEN "AS BUILT" 12846 .50-EKS120 HHEN "AS BUILT" 12846.50-EKS120 HHEN "AS BUILT" 12846.50-EKS120 44 HIGH INSTRUMENT RANGE 5.0 2,301 5.0 1200.0 1200.0 1200.0 500.0 500.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 120.0 600.0 600.0 46 5 LON INSTRUMENT RANGE ENGR UNITS -1.0 LOGCPS -8.0 LOGPCT -1.0 LOGCPS 0.0 AMPS 0.0 AMPS 0.0 AMPS 0.0 KH 0.0 KH 0.0 PCT 0.0 PCT 0.0 PCT 0.0 PCT 0.0 PCT 0.0 PCT 0.0 PCT 0.0 PCT 0.0 PCT 0.0 GPM 0.0 GPM * * * * * * * * * * * * * * * *
| |
| * Page: 65 APPENDIX 8.1 variable Classifications Category Variable Description Mark N~r 0*11 2 PRIMARY SYSTEM SAFETY RELIEF VALVES 1*VHS*Yl*100C:
| |
| 2 1 *VHS*YY* 100A* 1 2 1 *VHS*YY* 100A*2 2 2*HIS*HUX*12A 2 2*VHS*CABL*LN 2 2*VMS*YE*200A*1 2 2*VMS*YE*200A*2 2 2*VMS*YE*200B*1 2 2*VHS*YE*200B*2 2 2*VMS*YE*200C*1 2 2*VMS*YE*20DC*2
| |
| * 2 2*VMS*Yl*20DA 2 2*VHS*YI*200B 2 2*VMS*Yl*200C 2 2*VHS*YY*200A*1 2 2*VMS*YY*200A*2 0*12 A*13 PRESSURIZER LEVEL (SEE A*13) 0*13 2 PRESSURIZER HEATER STATUS* SEE VARIABLE REVIEY PACKAGE 2 PRESSURIZER HEATER STATUS 1*MIS*MUX*13A 2 1*MIS*MUX*14A 2 1 *RC~ C\I* 14PH 2 1*RC*CY*14PJ 2 2*M1S*MUX*13A 2 2*MIS*MUX*14A
| |
| * 2 2*RC*C\1*24PJ 2 2*RC*C\1*2RPH 0*14 3 QUENCH TANK LEVEL 1*RC*L*1470
| |
| * *
| |
| * 3. The steam volume must be large enough to accommodate the surge resulting from the design step-load reduction of load with reactor control and steam dump without the water level reaching the high-level reactor trip point. 4. The steam volume must be large enough.to prevent water relief through the safety valves following a loss of load with the high water level initiating a reactor trip. 5. The pressurizer does not empty following reactor and turbine trip. 6. The Safety Injection Signal (SIS) is not activated during reactor trip and turbine trip. To account for these factors and to provide adequate margin at all power levels, the water level in the pressurizer is programmed as a function of average reactor coolant . temperature.
| |
| High or low water level error signals result in the control actions which maintain pressurizer pressure and level. The limit on the maximum water level in the pressurizer ensures that the initial safety analysis assumptions are valid while also ensuring a steam. bubble is formed in the pressurizer and avoiding solid system operation.
| |
| The pressurizer heaters are single-unit, direct immersion heaters which protrude into the pressurizer through sleeves welded in the lower head. Each heater is internally restrained from high amplitude vibrations and can be individually removed for maintenance during plant shutdown.
| |
| Approximately 30 percent of the heaters are *connected to proportional controllers which adjust the heat input as required to account for steady-state losses and to maintain the desired steam pressure in the pressurizer.
| |
| The remaining heaters, referred to as backup heaters, are connected to on-off controllers.
| |
| These heaters are normally energized but are turned off by a low-low pressurizer level signal. A low-low pressurizer level signal deenergizes all heaters to prevent heater burnout. The requirement that 125 kW of pressurizer heaters and their associated controls be capable of being supplied electrical power from an emergency bus provides assurance that these heaters can be energized during a loss of off site power condition to maintain natural circulation at hot" standby. These heater banks are designated 11 A" and 11 E 11 , and they can be controlled from MCR (BBl-1) or from Aux. Shutdown Panel. Following 4 loss of offsite power (Loop) event, a 180 second time delay prevents reenergizing the II A II and 11 E" banks to prevention load of EDG when it assumes the emergency bus load. NCRODP-38-S Page 80 03-31-92
| |
| * *
| |
| * b. the reactor is critical, or c. the RCS is not connected to the RHR System; 3. safety valve lift settings maintained at 2485 psig ( +/- 1 percent).
| |
| Below 350°F the RHR System removes decay heat and thus controls temperature and pressure.
| |
| Above 350°F two safety valves have the capability to relieve the maximum pressure surge caused by a complete loss of load. Technical Specification 3.1.A.4 requires that loop stop valves remain open unless the RCS is connected to an operable RHR System. This specification ensures a decay heat removal mechanism is available to the core when the RHR System is not operable.
| |
| Technical Specification
| |
| | |
| ===3.3 requires===
| |
| that the feeder breaker to the loop stop valves (and bypass relief'Iine.
| |
| isolation valves) be locked in the open position during power operation, ensuring a core cooling flow path . Technical Specification 3.1.A.5 requires a minimum shutdown margin unless a bubble exists in the pressurizer, spray is available, and 125 kW of heaters powered from an emergency bus are operable.
| |
| The steam bubble requirement ensures critical operations do not occur with a solid RCS. The 125 kW of heaters is the minimum heater capability to maintain natural circulation following a loss of offsite power. Technical Specification 3.1.A.6 requires the following:
| |
| : 1.
| |
| * Two PORVs and associated blocking valves must be operable whenever the reactor K.tr is greater than 0.99. 2. With one or more PROV(s) (or blocking valve(s))
| |
| inoperable, the valve must be restored to operating status within 1 hour. If the PORV is inoperable, the associated blocking valve is shut and power is*. removed from its motor operator.
| |
| If the blocking valve is inoperable, power is removed from the PORV solenoid valves . NCRODP-38-S Page 153 03-31-92
| |
| * 1* I .
| |
| * TS 3.1-4 10-24-:-90 I 4. Reactor Coolant Loops Loop stop valves shall not be closed in more than one loop unless the Reactor Coolant System is connected to the Residual Heat Removal System and the Residual Heat Removal System is operable.
| |
| : 5. Pressurizer
| |
| : a. The reactor shall be maintained subcritical by at least 1 % until the steam bubble is established and the necessary sprays and at least 125 KW of heaters are operable.
| |
| : b. With the pressurizer i~operable due to inoperable pressurizer heaters, restore the inoperable heaters within 72 hours or be in at least hot shutdown within 6 hours and the reactor coolant system
| |
| * temperature and pressure less than 350°F and 450 psig, respectively, within the following 12 hours . Amendment Nos. 148 and 144 MA'r'-14-1992 09:39 FROM STONE & WEBSTER :;:, . I J :~ *.:-!l. *,.*.;:"*~.-, -. ' ,/ . ,1/~*. *: '. -;. -. *,.:* ,, ' . .*. ~'..:.;; .. ,* .....
| |
| * *
| |
| * 11.22 CORRECTIVE ACTION EVALUATION CA NO.: 22E CA DESCRIPTION:
| |
| Remove unnecessary indicating lights from heat tracing panel. EQUIPMENT MARK NO. Load Frequency
| |
| & Heat Tracing Panel Il.22.1 BED REVIEW -ORIGINAL FINDINGS HEDNO. 22A01308 HED No. 22A01308 -Inconsistent meaning/application of color coding within/among systems. (NUREG-0700, Sections 6.5.1.6.c.2, 6.4.2.2.f.1 and 6.5.1.6.d.1.3)
| |
| The original eRDR finding identified that the indicating lights on the heat tracing panel did not conform to guidance provided in NUREG-0700 regarding indicating light convention.
| |
| Il.22.2 HED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs 0 YES IXI NO D NIA EOPs only address H 2 Analyzers.
| |
| EPIPs 0 YES IXI NO O NIA Heat tracing is not identified in the EPIPs. APP.R 0 YES IXI NO D NIA Heat tracing is not required for Appendix R safe shutdown.
| |
| ERF/SPDS DYES IXI NO D NIA Heat tracing is not associated with ERF/SPDS.
| |
| VARSOIK.B7S-l RG-1.97 DYES ONO IXIN/A Heat Tracing is not associated with R.G. 1.97. LERs/IOERs DYES IXI NO D NIA No LERs/SOERs were found concerning heat tracing circuitry or alarms. HPES/STA DEV/SOER DYES IXINO ON/A No station deviations/SOERs were found regarding the heat tracing system. TECH SPEC ITEM IXI YES ONO D NIA Section 3.2-2 eves 3.3-1 Safety injection
| |
| : 3. 7-2 Instrument systems
| |
| * *
| |
| * 11.22.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The existing red indicating lights on the Load Frequency Control and Heat Tracing Monitoring Panel in the control room glow dimly under normal conditions.
| |
| When one of the heat tracing monitored panels/cabinets senses an alarm condition, the associated light will glow brightly.
| |
| When the CVCS Heat Tracing Alarm annunciates (technical specification alarm), the operator can use these lights to determine which local panel(s) caused the alarm. An operator can then be dispatched to the indicated Heat Tracing Panel to determine the specific alarming circuit. Although the red lights perform two means of indication (i.e. dim lights -normal, bright lights -alarm, the operators are accustomed to responding to the alarm and performing procedural corrective actions. This dim-bright feature is explained in detail in the annunciator response procedure for the CVCS heat tracing alarm. In addition, the operability of the CVCS heat tracing is verified during technical specification flowpath operational walkdowns (OCS,6) once every shift. Safety significance
| |
| -The heat tracing system is a supportive system for safety related systems. Potential for error -The potential for error is low as the alarm and indicating light combination provides adequate operator information.
| |
| An operator has the ability to locate the bright-dim indicating light easily based on grouping of all heat tracing lights on the heat tracing monitoring panel. Consequence of error -The consequence of not responding to a loss of heat tracing is of importance.
| |
| However, local readings are taken manually each shift and process instrumentation is available for additional information . 11.
| |
| | |
| ==22.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the above information, it is recommended that the red heat tracing lights remain on the heat tracing panel. Further justification is provided based on no identified station deviations or operator errors with the existing installation were found and that the individual heat tracing circuits are mdnitored locally each shift. It is recommended that new labels be installed on the panel to ensure that heat tracing system components are consistent with current labeling requirements of STD-GN-0036.
| |
| Operators are trained that a red dim light indicates normal heat tracing system operation and a bright red light is indicative of an alarm condition . VARS01K.B7S-l
| |
| * *
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST I RG-1.97 I LERs/IOERs/SDRs I 1RAINING MODULES I TECH. SPECS. I DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D D D D D D D D D D
| |
| * SURRY TITLE , .. ;, (85 2*.65~ es1cJ185 s Int('),..
| |
| ~.:ii~: H.Yi'.t ,... ...... -" l., ASSESSl!ENT LAS1 REVlEw RESPOhSIBlLITY STAT\JS DATE 22A013e8 JN::ONSIST IEANIN6/~ICATIOII CF CO-OR aJDihB WITHJH/M'.INS SVSTBIS ENG I -1 8&/17/85 ' ERIIDk: DEL.AV /:.RROR lN RES?OHSE, fff PROB1.E!':
| |
| DESCRIPiION:
| |
| fff RED/Al".&:.R l(Ji RESERVED FOR ~lfl. ~,.IC. ia:w.INi OF llli.DRS NlT WI'TtllN/MJNi SYSlBIS. S7e0 PARASRAPt-1 NlJIUER: 6.5.1,6.C.~
| |
| 6.4.c., . .:.1 6.5,l,h.D.3 6.5.1.6.ll.1 SUS6ES~ED BAD<;:Ii:
| |
| R:t>--Aec.
| |
| l'-CillcS!STEt-T
| |
| .. Y c:th.OR COila LI6HTS wITH Ll6HTS wHICh CONFOR!II TO IPPROVED COD1N6 CONV""c.hilCINS, Dl~iJSITIOM
| |
| 'ic~11 J H:A! TR~Cl'ic -ti F E.tlBil eBNTfl91:
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| i::Hi !Ti:i Tii ii: t1311Flill.
| |
| WMl+i L.liii'fi F9ii PEliiER, le Ll&ffS FBR IUIRIII. DATA t:O...!.ECiiO!'i DESCIUPTIO-. tori MJIIIBEli:
| |
| T?-8.1 CON~ENTil)f.j
| |
| $U~~y TP-3,1 ~lCiAiul!
| |
| SYSTEMS RE~I&i TP-4, l -COSiiID1.B SUffvEV TH1. l DISP<JIYS SUR~Y T~.l LH&c.~b 1.0i:HiiLl'I
| |
| ~ID~ !iiii!VEY T~9.2 YERiFlDITlU'li INLIDATiOS REll!AIMS:
| |
| a.1-1 lT:!"S lr.i\lu:.Vi:D:
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| W!=it< NiJlil.BcR LJCAT:Olil
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| ~i MMe &YSTE!II Fi..OOD CNTRi.. ~T TRACIN6 ff JIOT IN lW FILE* H l(JT IN INV FILE* *,J "* (._,* v-, <..., SUBSYSTBII
| |
| ,,-* '7 CONVENTIONS TP-8.1 l May 1983 APPENDIX 89 . HUMAN ENGlNEERING DISCREPANCY (HEO) REPORT ORIGJNA TOR: VALIDATED BY: n) HE:D TITLE: PLA T/ONn w . ,<JJ>t?R,¥ I-ED ND.: q, -I '\ DATE: Au3~sT'l,)'!f'f
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| :rrJc.o~ s:.y iw MeArJuvG.--
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| e>E= l-02.b""S)
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| +:t,Ja>rxs\s~
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| b) ITEMS INVOLVED:
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| Se:c:: AiiAc.t~-0 I..\.S.T .. c) PROBLEM DESCRJPTJON AND 0700 PARA. NUMBER: ,)a.RED f:lrLJt) ~""' ~CA-*-A£~ f.letr' ~CSE°f"'@
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| \ c...~.l 'l ;.,,). d) DAT A COLLECTION DESCRIPTION AND CODE N.JMBE:R: .
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| * o~ir-QJJ fl'Mb...),S ftt..i A ~'IS~ "T'P *'i. \ ** e 1-&,(
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| * T'P-~., -e7-'°. 'T"P-~. \ ... (:.j., * )
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| * SPECIFIC H.JMAN ERROR(s):
| |
| '\P* I, I
| |
| * e_ 1 * 'i ,
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| TP-B.l 1 May 19B3 APPENDIXB9 HEO REPORT (CONTINUED) 45~~~~1l&i1 t-ED ND.: 9.1* -\ f) SUGGESTED BACKF"IT: . ,tJ"c.O~\S:.~i"N'ft'l'C.01.0t..
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| s,sr1;,r.
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| ~o"'~-~;-~ F~ fo\1°4.l ,, 11 LOflO RJ\T'lf o/o P,:rt. ~:tol II 6C... ,._...., 1: ~:-.r* r.:.c. r.. (~ .. ,: ... -.; . '\ E~**'D' . , I *. 4, *'-{ . ,-~~-,.._
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| ~-' -* Cov\,;; .. * ,. ~q *. *._;,! L *. I * ._ *o,. . . . ... ., ! ,,...\.. ,.. . . . , *-' I.! -cl * ._\. i .-.* u. .,_ o" '"'CIC)~~--** ..
| |
| ' : . ( . * * **--VIRCINIA POWER . CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION HED NO. ?,/-/-fil~) .2 .2 ~J -/J:4-ST AT I ON /UN IT ___ S_u_,,_r..,./..._
| |
| ..... IJ .........
| |
| n .... t' __ 7 s __ /~2,=----.1..-*
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| ___ _ MARK NO. -------------------
| |
| 1 TE M DESCRIPTION
| |
| __ fj ___ P __ l,l-__ 1_~_/r.._r!( __ c_~ __ S ___ -f-a_i __ tA. .s---'/ .... d.,___/4 __ , _____ A_P ... "'..;;e....,( __ CHANGE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS)
| |
| Ctr1 ~-e C iv c "";f y '( , f 1-f ,/ f id-* {/ 0/~ ,*J-e J,. q iJI i r . I I I .1
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| * p /; c -f' o ci'" Pc, . .f t ri; c c; ,,..c CA ;t f o s/ o'-' .:,.p)~,.-
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| *or I , (}YDIJ.~ jh. (ircu.,*f
| |
| * COMMENTS:
| |
| ------------------------
| |
| DATE REVIEWED 6 r.S
| |
| * * *--** .VIRCINIA POWER HED NO. f, I -I-~, CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION STATION/UNIT SlA""'Y J,,;is ( J,_ 2 ---"---+, ---------------
| |
| MARK NO. ----------------------
| |
| 2 2 Ao-1.J~. 1 TE M DESCRIPTION
| |
| ___ F __ t~o ..... 0_£ __ 1 ___ (_Q __ ,,....__:f
| |
| ..... ,,_-o __ f _____ f __ o_r._e...
| |
| ..... (_* ------CHANGE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS)
| |
| Ch O i1 td c_ v c v1 , *i r i1 .s "-cl f /.4 Ii-t..li ,-{ e / f , t. t ( .r e/tf ;t (p ,r T 1 t1 cl P / o o
| |
| * a ft1 i* ,~ c ; .,-c ""-; 1 / e, r:: J, '-' o w ~.,. a II r;, ,' t: t I e COMMENTS:
| |
| -------------------------
| |
| 0R1c1NAT0R
| |
| /3. r H; 11 DATE REVIEWED ' ?S
| |
| * *
| |
| * 6.4.2.2 CODING OF CONTROLS (Cont'd) e. ROTATING KNOB SHAPE OPTIONS (Cont'd) 00©0© .o [JI] m [] w (h). (i) (j) (k) (1) Fractional Rotation Knobs: These knobs are for use on controls that do not require twirling or spinning, for which the adjustment range is less than one full turn; and for which the knob position is not a critical item of information.
| |
| Exhibit 6.4-5. Shape-eoded knobs-fractional rotation. (n) (o) (p) (q) Detent Positioning Knobs: These knobs are for use on discrete setting controls, for which position is critical.
| |
| Exhibit 6.4-6. Shapeoeoded knobs-detent positioning.
| |
| : f. COLOR CODING {1) Color coding should follow the recom~ mendations of Guideline 6.5.1.6. (2) When color coding is used to relate a control to its corresponding display, the same color should be used for both the control and the display. (3) The color of the control should contrast with the panel background.
| |
| {See line 6.1.5.6.e.)
| |
| ----CA 2'2..E.. 6.4-10 CONTROLS 6.4 .* :~'-, DESIGN PRINCIPLES
| |
| | |
| ====6.4.2 COMPLIANCE====
| |
| | |
| CHECKLIST N/A Yes No Reference/Comment .jSJ 'i;~ .... _:.)
| |
| * 6.5.1.6 COLOR COOING (Cont'd) a. REDUNDANCY-In all applications of color coding, color should provide redundant information.
| |
| That is, the pertinent infom,ation should be available from some other cue in addition to color. b. . NUMBER OF COLORS ( 1) The number of colors used for coding should be kept to the minimum needed for providng sufficient infom,ation.
| |
| (2) The number of colors used for coding should not exceed 11. c. MEANING OF COLORS (1) The meaning attached to a particular color should be narrowly defined. (2) Red, green, and amber (yellow) should be reserved for the following uses: Red: unsafe, danger, immediate operator action required, or an indication that a. critical parameter is out of tolerance, Green: safe, no operator action required, or an indication that a parameter is within tolerance.
| |
| Amber (yellow):
| |
| hazard (potentially safe), caution, attention required, or an indication that a marginal value or parameter exists. d. CONSISTENCY OF MEANING (1) The meaning assigned to particular colors should be consistent across all applications within the control room. (2) The meaning of a particular color shouid remain the same whether applied to panel surfaces or projected in signal lights or on C~Ts. -----CA'22E.. 6.5-11 VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6.5. 1 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| ' I I . I I I I I
| |
| *
| |
| * C,A22E. 6.5.1.6 COLOR CODING (Cont'd) d. CONSISTENCY OF MEANING (Cont'd) (3) The meaning of a particular color should remain the same both within and among the various systems to which it is applied. e. PRINCIPLES OF COLOR SELECTION ( 1) The primary principle which shou Id be applied in selecting colors for coding purposes which do not have the immediate safety implications of red, green, and amber is to ensure that each color is recognized as different from any other. Exhibit 6.5-7 lists 22 colors of maximum contrast.
| |
| Each successive color has been selected so that it will contrast maximally with the color just preceding it and satisfactorily with earlier colors in the
| |
| * list. The first 9 colors have been selected so as to yield satisfactory contrast for red-green-deficient as well, as color-normal observers.
| |
| The remaining 13 colors are useful only for color-nom,al observers.
| |
| (2) Colors selected for coding should contrast well with the background on which they appear. (3) Ambient lighting in the area in which color coding is used wil I influence the apparent color of the coded element (especially for surface colors). Each color selected for coding should be evaluated under all illumination ditions under which it is used. 6.5-12 . -~* .... :***** -.. -~ **: -. ****. ****-.***:-.. _ .........
| |
| *****-. VISUAL DISPLAYS 6.5 PRINCIPLES OF DISPLAY 6.5.1 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| .--~ ** ... 1 */ : .* :~::\ I *._;:
| |
| * *
| |
| * The OT (overtemperature), SP (setpoint), and UT (undertemperature)
| |
| LEDs are both in red color, either one will illuminate to indicate that an abnormally high or low temperature condition exists; the SP LED is in green color and will illuminate to indicate that power is applied to the heat tracing cable. The high and low temperature alarms are set to annunciate at 180°F and 125°F for the normal panels (the" "A" panels) and 180°F and ll5°F for the backup panels (the "B" panels). The operating temperature setpoint for the normal supply panels is 150°F. The operating temperature setpoint for the corresponding backup panels is 125°F. Actuation of an Undertemperature or Overtemperature alarm on any CVCS heat tracing panel is indica_ted in the MGR on the heat tracing section of the Load Frequency Control and Heat Tracing Monitoring Panel (LFCHTMP)*.
| |
| The following heat tracing panels and cabinets are monitored on the LFCHTMP (see Table 22-1 for panel cabinet locations):
| |
| : 1. HTP-2Al, -2A2, -2A3, -lAl (spare), -1A2 (spare), -2Bl, -2B2, -2B3, -lBl (spare), -1B2 (spare), -5; and 2. HTC-1, -2, -3, -4, -5, -10, -11, -12, -14, -15, -16, -19. The HTP-2Al, -2A2, -2A3, -2Bl, -2B2 and -2B3 panels have had a design change installed so that only those circuits that are Safety Related (see Tabl~ 22-3) send a signal to the LFCHTMP in the MGR. Also when one of these circuits alarms a signal is sent to the CVCS Heat Tracing Trouble alarm (VSP-E8) in the MGR. The red indicating lights on the LFCHTMP glow dimly under normal conditions.
| |
| When one of the monitored panels/cabinets senses an alarm condition, the associated light will glow brightly.
| |
| When a eves Heat Tracing alarm annunciates, the operator can us_e these lights to determine the panel(s) which caused the alarm. An operator can then be dispatched to the indicated Heat Tracing Panel. to determine the alarming circuit. Application of power to the individual heat tracing circuit is controlled by the ON/AUTO/OFF toggle switch on the individual heat tracing circuit control module. In the ON position, the heat tracing cable is always energized.
| |
| In the -NCRODP-22-S Page 6 04-05-91
| |
| ** Heat Tracing HTC-3 HTC-4 HTC-5 HTC-10 HTC-11 HTC-12 HTC-13
| |
| * HTC-14 HTC-15 HTC-16 HTC-19 HTC-20
| |
| * NCRODP-22-S Set Number TABLE 22-2 POwffiR SUPPLIES (Continued)
| |
| Page 4 Power Supply MCC-lBl-lA, breaker 24B MCC-lJl-1, breaker 84B MCC-lHl.-1, breaker 82A MCC-2Jl-2, breaker 31B MCC-lHl-1, breaker 12A MCC..:1B2-2A, breaker 13B MCC-lGl-1, breaker 42A MCC-1Al-2A, breaker 15A MCC-lAl-1, breaker 12B MCC-2Cl-l, breaker 33B MCC-2Bl-3A, breaker 13B MCC-lGl-lA, breaker 15B . 12-11-90
| |
| * **
| |
| * TABLE 22-3 SAFETY RELATED CIRCUITS Heat Tracing Panel Circuits HTP-2Al HTP-2A2 HTP-2A3 HTP-2Bl HTP-2B2 HTP-2B3 NOTE: NCRODP-22-S l -38, 44, 46-53 l -39, and 44-46 2 -15 l -38, 44, 46-53 l -39, and 44-46 2 -15 Only these circuits are used to cause alarm indication on the Load Frequency Control and Heat Tracing Monitoring Panel, and as input to the eves HEAT TRACING TROUBLE alarm in the Main Control Room . Page 5 12-11-90
| |
| * * ,. 11.23 CORRECTIVE ACTION EVALUATION CANO.: 23E CA DESCRIPfION:
| |
| Modify EOG megawatt, megavar and RPM indication on EOG panels in Control Room to improve viewing. Relocate indicators similarly on the local control panel in Diesel Generator Room. Coordinate with CA15E and CA75E. EQUIPMENT MARK NO. EDG No. 1 & 2 Control Panels, 1/2DIP-DGRH local panels 11.23.1 IIED REVIEW -ORIGINAL FINDINGS HEDNO. 22A02086, 22A02314 HED No. 22A02086 -Displays on EOG too low/high to be viewed from normal viewing area. (NUREG-0700, Sections 6.1.2.2 and 6.1.2.5.b)
| |
| HED No. 22A02314 -A few non-legend indicator lights do not have apparent meaning. (NUREG-0700, Section 6.5.3.2.a.1)
| |
| This HEO was deleted during the original CRDR and therefore was not included in the CRDR reassessment . 11.23.2 IIED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs IXIYES ONO ON/A Instruments on the EDG panels are used for verification of EDG operation and setpoints in various EOPs including 1-ECA-0.1, 1-ECA-0.2, l-E-1, and 1-ECA-0.0.
| |
| EPIPs 0 YES IX) NO O NIA These indicators are not used for EPIP assessment.
| |
| APP.R IXJYES ONO ON/A The EDG panels are Appendix "R" related equipment.
| |
| ERF/SPDS O YES IX) NO O NIA The EOG panels are not part of ERF/SPOS.
| |
| V ARS01L.B7S-l RG-1.97 IXJYES ONO ON/A The EOG panels contain instruments for monitoring R.G.-1.97 variable D-35F. LERs/IOERs O YES IXI NO O NIA No applicable LERs/IOERs were found. HPES/STA DEV/SOER DYES IXINO ON/A No applicable station deviation/SOERs reports were found. TECH SPEC ITEM IXI YES ONO O NIA The EOG panels are required to be operable per technical specifications.
| |
| ,,, ,, ' 11.23.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The EDG megawatt, megavar, and speed indicators are used by the operators to control and monitor the operation of the station emergency diesel generators.
| |
| This instrumentation is used by the operators when operating the diesel manually during the performance of periodic test procedures.
| |
| During tests, the diesel is manually loaded by the operator.
| |
| During accident conditions, the diesel operation and loading is automatic.
| |
| The operator is required to energize/de-energize equipment on the associated bus to adjust diesel load. Safety Significance Potential for Error Consequence of Error -The EDG No. 1 & 2 control panels contain safety-related Class lE equipment.
| |
| NUREG-0700 Section 6.1.2.2 recommends as good practice, that indicators/components be within 70 inches from the floor for readability.
| |
| The megawatt indicators that display specific values that are required to be read in EOPs. EOPs require the operator to maintain 2750 kW. Technical Specification Section 3.16c limits the continuous load on the EDG to 2750 kW. The potential for operator error due to meter height is low based on automatic protective features.
| |
| Monthly EDG slow start tests (i.e., PTs 1/2/0-0PT-EG-001) have been performed without any documented errors or problems.
| |
| The consequence of error due to indicator height would be a delay in operator response when determining load on the EDG. 11.
| |
| | |
| ==23.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Minor variations in the megawatt reading, resulting from parallax error (i.e., the next minor scale graduation lOkW) will not introduce any adverse affects on the operator's ability to maintain the EDG within rated load. Modifications to the EDG panels are not required based on the following justification:
| |
| : 1. No adverse affect from slight variations due to minimum parallax error (with minor scale graduation 10 kW). 2. No generator simulator training errors, or problems identified during monthly PTs. V ARS01L.B7S-l
| |
| *
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST .o D D D D D D D D D
| |
| . J.~(,\ocf;
| |
| * \\\7~ SURRY LJ'ilT 2 CODE A TITLE ~86 DISKAYS c>>I VBS TOO L.OW/HI&l TD BE YIEIED FR!)! NORM. VIEwINS AREA ERROR: INABILITY TO READ DISPLAYS.
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| ff4 PROBL.EIII DESCRlPTlc>>I:
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| i .. lu/'. s;as . --' .. Ji~. ,_ -z~5j*r ?-...--..., -io/23/il5 ~: ASSESS!Er-1 LAS: R:VIEII RESPilhSlBi.1.ITY STA":'IJS DATE II -S DISPulYS LOWER T~ 41" & ABOVE 7i" r.ANltJT BE VIEIED BY 5TH JTILE FEM.E FD Nlll!R VEIWIIE AREA, (FRDf\T IF BBl e7N PARAS~ tUIBER: 6.1.2.2 6.1.2.. s. SU66ESTED BACK.t'IT:
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| DETERtliH:
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| DISPi.JlYS T!41T AFFEC: Pl.ANT SAFETY l RaDCATE 10 Hiir.!cR/UMER 1.DCATIIIN VB Tu Er&JR: EASE CF. VlEli:t.S.
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| * 177 TP-1.2 l May 1983 APPENDIX B9 '."Jq HUMAN ENGINEERJNG DISCREPANCY (HEO) REPORT . .J:'\ '';;/~ 1-,l"L~-Suee..y /'2-PLANT/UNIT ORIGINATOR:
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| HtD NO.: '.~ -1, VALIDATED BY: __________
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| _ DA TE: '1 \ c.\\g4 a) HED TITLE: DtSPLFy$ ON JG.R::DC-6\.
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| **
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| * NOTED ~EB 2 4 196E H.W.B. ~cf'l.-,,~
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| t,,ED ND ~.ii .. A FEIi NOH-<..i8E:Nll ll'illlCATOR LlBHTS DO l(JT lfl\i ~REHi ~INSS. ERRuii: flll51NT1:R;:1R:,ATION
| |
| &= LlBHi IE~1N6. JNCliEASal lit.LllWCE ON 1111:fDRY, *ff PROBLEM DESCRIPTlOh:
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| LISTED_INDICATOR LI~S ARE t(JT LABEl.ED TD EXi>LAlN IIBWIN5 CF LI6HTS ltiEN LIT, 0700 ~WAG!i~ NIJll&Efc:
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| : 6. S. 3. 2, A. l SU66ESiED BACKFIT: flliiiu.i,;~
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| .. AB~:i iu t.l;;..il.ir.
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| ~1'11\l~ ir :i!'.il.i;11:un
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| :..iorfr::i L,*,. lra.5 IIMLVED: ~RK ~R LOCATIO,.
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| CCl,PONENT SYSTEII
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| * J* CONT. Pfc. ff N01 IN INV Flr..t t II -S 87/11/85 Ud-(A. 'Ku~l~ -W"l ~Fl)~ -\ {3u (86 ..
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| ; . , *
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| * l Mey 19B:5 HUMAN ENGJNtERlNG 01SCREPANCV (HEO) RC"POR T PLANT/UNIT 22..fArO-25t>g ORJGlNATOR:
| |
| <._J)......::I
| |
| ;....5 _______ _ I-ED NO.: 4)::5-~5 VALIDATED BV: _________
| |
| _ DATE: /~§/a.s a) HED TITLE: d .,,e-tJF~
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| A/d/1/-~ Ea.G"P~ ,,,,.,o,c
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| ::1' n,,l! L It; Hr..S f>O t,) ITEMS JNVO!.:. VED: c) PROBLEM DESCRJPTJON AND D700 PAR.A. NUMBER: c:;; 53~G1 I Th"£ /Sr£D /Nl>IC~'Tfh~
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| ~lf.Nr.S Alt'£ Ah:rr .LABE~Eb TeJ ,e'K~/ff,',V
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| ;1¥£ANl'NG Or -'.l'~Nr.S 4J # E Al ,,< /r~ d) OAT A COLLECTION DE:SCRJPTION AN:> CODE N.JMBER.:
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| DISP~AYS rl'-S:.I I~ fJ,SE~~A'TIOAI e) SPECIF"IC tUMAN £RROR(1):
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| ,,,1¥/S/1VrEltl'lf~"Ti'f770IV d~ ~l't:-A'r lfl&'eAA,1/Ni'.
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| * J".AICRelfSED.
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| A'~tt./llfNCF dN ;11¥E/Vl?lfl'*
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| di * :. ;. i. -l May l9S:3 APPENDIX B9 HED REPORT (CONTI~) Su1<tfYI~
| |
| HED NO.i 3\5-:s,.,5 PLANT]LNT t>) tTEMS ~NVOL VCO: (:;, 5 3 ;l. q \ c!> WH/r£ A/t:JAI-~£(:;
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| 6#/) /N{) IC lfTt:J~ IC-NT'S ON 8&"NC#IJ'e,A~
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| b .SEC ~-/ ! *VB~ 11.30 *VB~ ill ~8"
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| * B9-2
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| " . * *
| |
| * l May 198) APPENDIXB9 HED REPORT (CONTINUED)
| |
| HEO NO.: fS-f) SUGGESTED BACKF"IT 1 5 3 :;2. q I /f?~L>/rY
| |
| ~ABE~ S Tt:J £X.P~"'1/A/
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| ~/(;#?'"..S e"uHFN ~/"r,
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| * *
| |
| * VIRGINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION n~w ,~u. 1 * ..,{... -'7' ;).cJ. /JO-.J0..]9 STATION/UNIT . .Su I" Y-11 ( g* l. ------,..----------------
| |
| MARK NO. ---------------------
| |
| 1 TE M DESCRIPTION fiJC-/1elj,nJ~ft .t&~dVdY-, ti-I \pe./ In/r-r,{o.,-.r 7 I 7 I I CHANCE DESCRIPTION (REC'OMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTION o / e I-/. e E /)C,-t": .. wa._ 11. ;*c"i().--J
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| * //cf /Jrt'-f?..//1/
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| e~/ /r'J:) .. N' //P 'SY!lchro,,;r 7 l !) It:, P /i,d,/, 1,.1t~~ !/..(' i../,'cJD..--
| |
| COMMENTS:
| |
| ---------------------------
| |
| ORIGINATOR
| |
| __ 8 __ . .._E ..... ___ H __ ; __ // _____ DATE REVIEWED 8'-t -; £"
| |
| -* ** GUIDELINE 6.1.2.2 STAND-UP CONSOLE DIMENSIONS
| |
| : a. CONSOLE HEIGHT TO SEE OVER-When it is necessary for a standing operator to see over the top, console height (with or without ciator panels) should not exceed 58 inches. b. CONTROL HEIGHT-The.
| |
| range of suitable control height on stand-up consoles is defined by the reach radius of the 5th and 95th tiles (as defined in Exhibit 6.1-5). Measurements should be made using shoulder height and functional reach with the shoulder in line with the leading edge of the benchboard, as shown in Exhibit 6. 1-6. The exhibit shows the results of two console designs with differing board slope and depth. Controls may be placed somewhat higher on consoles with shallower and/or more steeply angled benchboards, which allow the shoulder reference point to be
| |
| * closer to the back of the benchboard and to the vertical panel. ( 1) The highest control on a stand-up console should be within the highest reach of the 5th percentile female without stretching or using a stool, ladder, etc. (2) The lowest controls on a stand-up console should be within the lowest reach of the 95th percentile male without bending or stooping.
| |
| : c. BENCHBOARD SLOPE -The benchboard slope, in conjunction with its depth, should result in all controls being within the reach . radius of the 5th percentile female, as trated in Exhibit 6.1 *6. d. CONTROL DISTANCE FROM THE FRONT. EDGE OF THE CONSOLE (1) Controls should be set back a minimum of 3 inches from the front edge to protect against accidental activation.
| |
| : 6. 1
| |
| * 16 CONTROL ROOM WORKSPACE 6;1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| ....... *:**?\ _: )*i ... * .* "1 ... *' ; */ --~
| |
| .. **-*-' .... ~*-..:..._~-~-
| |
| ** ... *_ .... .:...:._2_.
| |
| *.-.:*** .. ___ ..
| |
| * __ ... _._.*:'*:.**
| |
| ... *:., ._.._*,.-...... *** ,. *~ .. __ ._ .... ***
| |
| * 6.1.2.2 STAND-UP CONSOLE DIMENSIONS (Cont'd) d. CONTROL DISTANCE FROM THE FRONT EDGE OF THE CONSOLE (Cont'd) (2) No control should be more than 25 inches from the front edge of the console. This accommodates the maximum reach of the 5th percentile female adult as illustrated in Exhibit 6.1-6. CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment INCHES ,oa SHOULDER HEIGHT" FUNCTION.AL 95TH REACH " PERCENTILE MALE 61.8''-,'
| |
| -++-5TH 49.4''-''
| |
| ..__.__ ~.2_:: PERCENTILE FEMALE
| |
| * One inch added for shoe height. LIMITS ON CONTROL li5IG_t!T_
| |
| 63 MAX. 27 MIN. 96 84 ........ ' ' '\ FUNCTIONAL
| |
| \ R~ACH \ , 72 SHOULDER" , HEIGHT* I 61 .s*: 3] O"' LIMITS ON CONTROL* 60 -*---*--, --t __ f _____ !::!_EIGHT M ~-I 48 -__ ... .._ MAX. 36 24 12 27 MIN. Exhibit 6. 1-6. Reach capabilities and control height on stand-up consoles . 6.1-17
| |
| ** *-*
| |
| * CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST 6.1.2.2 STAND-UP CONSOLE DIMENSIONS (Cont'd) NIA Yes No Reference/Comment
| |
| : e. DISPLAY POSITIONING-The principal factors* affecting the readability of displays, including annunciator tiles, are: ( 1) display height and orientation relative to the operator's line of sight when he/she is standing directly in front of the display; (2) display distance and tation relative to the operator's straight-ahead line of sight when the operator must read the display from an off-side position; and (3) the size of display markings relative to the distance at which the display must be read. Marking/ character size is addressed in Guideline Section 6.5.1, and is not considered here. Except as specifically noted, measurements of angles should be made with the eye point in line with the leading edge of the benchboard.
| |
| This is illustrated in Exhibit 6.1-7. (1) DISPLAY HEIGHT AND ORIENTATION (al . All dispiays, including annunciator tiles, should be mounted so that they are within the upper limit of the visual field (75° above the horizontal line of sight) of the 5th percentile female. (bl In addition, all displays and ators should be mounted so that the angle from the line of sight to the face plane is 45° or greater. The 5th percentile female determines the upper limit. The 95th percentile male determines the lower limit . 6.1-18 I,,.,,,=.,=,=*="""'=====.,,,,, *-.. /
| |
| *, *******-...... . ** EYE HEIGHT 5TH PERCENTILE FEMALE UPPER LIMIT OF VISUAL FIELD ,.. ''\ / 75° I HORIZONTAL L.QS_O~ ** ** ,* **u-*w*-****\'" .___ .~.-CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1 .2 UPPER LIMIT OF VISUAL FIELD ,.. INCHES 108 96 84 72 60 48 36 24 12 I I I I , , EYE 1 1 HEIGHT /1 69.f!:~-___ _ 95TH PERCENTILE MALE HORIZONTAL
| |
| _ ,!.0§.0~ Eye height from Exhibit 6. 1 ,5: inch added for shoe height Q Angle would be too small for readability if display -~ mountlld on vertical surface Exhibit 6.1-7. Display height and orientation relative to standing operator LOS {line. of sight), I 6.1*19
| |
| ** ** * .. ' CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment 6.1.2.2 STAND-UP CONSOLE DIMENSIONS (Cont'd) e. DISPLAY POSITIONING
| |
| {Cont'd) (2) HORIZONTAL DISPLACEMENT-The oblique angle from the line of sight to a display located to either side of the working position from which the display must be read should be at least 45°. This includes annunciator tiles, which should be readable from the acknowledge button. (See Exhibit 6.1-8.) Di1Pl11YS:
| |
| Max. Displacement 36 24 12 0 12 24 48 ' t J I t I ' ~if x~o / ' " / 36 ' 7 "' ' // / ' .. 'v /, . "' Eye reference point for 48 I J 24 0 12 0 ' meten, gauges, etc.* V Eve rafarence point for annunciator tih11*
| |
| * For meten and other displays which may heve to be read while a control anywhere on the benchboard is operated, measurement should be made with the eye reference point in line with the leading edge of the b1mch* board. For annunciator tiles, the eye reference point may be beck from the benchboard edge. The dinance back should be consinent with the ability of the 5th percentile female to reach the annunciator response pushbunons.
| |
| 12 inches is e suitable nominal distance back for most consoles.
| |
| Note: A wraparound panel would allow greeter displacement.
| |
| Exhibit 6. 1 -8. Limit on horizontal displacement of displays from straight-ahead line of sight at the required reading position.
| |
| 6.1-20 -~ :;*:->/ .'/
| |
| *---* ..... -............
| |
| *-**1' *, * --............
| |
| _ .... .. *-* ............
| |
| -*****-*-', ""* .* -.... _. \ ** -* ., 6.1.2;2 STAND-UP CONSOLE DIMENSIONS (Cont'd) f. LATERAL SPREAD OF CONTROLS AND DISPLAYS-The operator should be able to perform task sequences at a given work station with minimum respositioning.
| |
| The amount of operator movement required depends on the arrangement of controls and displays, not simply on the lateral dimensio!ls of the ments of the control board. The maximum . lateral spread of controls and displays at a single-operator work station should not exceed 72 inches. g. FOOT ROOM-Enough foot room is needed to allow the operator to get close to the board without leaning. A clearance of 4 inches cally and 4 inches horizontally is recommended.
| |
| : 6. 1-21 I I . ...... "*-***** ---CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| -' I I I I I ! ' I I I I I i I i I
| |
| * * ** GUIDELINE 6.5.3.2 DESIGN AND USE OF NON-LEGEND LIGHT INDICATORS Non-legend light indicators are represented by conventional pilot lights, bulls-eyes, and jewel lights. Color may be provided by a tinted cover glass or by a layer of colored material inside the cover. a. IDENTIFICATION OF MEANING ( 1) Where meaning is not apparent, labeling must be provided close to the light indicator showing the message intended by its glowing. (2) The color of the light indicator when transilluminated should conform to the general code es.tabl ished for the control room. (See Guideline 6.5.1.6.)
| |
| (3) The color of the light should be clearly identifiable . b. LIGHT INTENSITY -The illuminate<:!
| |
| indi*
| |
| * cater should be at least 10% greater in light intensity than the surrounding panel (as measured by a spot photometer) . 6.5-22 VISUAL DISPLAYS 6.5 LIGHT INDICATORS
| |
| | |
| ====6.5.3 COMPLIANCE====
| |
| | |
| CHECKLIST N/A Yes No Reference/Comment
| |
| * I ... *:'\ . ; -, _/ .. -*"'""'
| |
| *>. *-*-* *-~--.* .* :._. *~----*; :c: . i~---~*. -~-* ...... :* .. ;.. ... ___ -.:......,._.,.;
| |
| -. _._...., __ _ . -~! **:.-_ .. ,r* GUIDELINE 6.1.2.5 VERTICAL PANELS Exhibits 6.1-13 and 6.1-14 show common problems resulting from poor placement of controls and displays on vertical panels. The following limits are recommended.
| |
| : a. CONTROL HEIGHT (1) Controls should be placed in an area between 34 inches and 70 inches above the floor. (2) Controls requiring precise or frequent operation and emergency controls should be placed in an area between 34 inches and 53 inches above the floor. b. DISPLAY HEIGHT (1) Displays should be placed in an area between 41 inches and 70 inches above the floor .. (2) Displays that must be read frequently or precisely should be placed in an area between 50 inches and 65 inches above the floor. \, CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
| |
| \ ___ CO(UZ.ECTl vE ALTl o~ 2 Jf
| |
| * 6.1-29
| |
| -* * * * * -NUMBER PROCEDURE TITLE REVISION 5 1-ECA-0.1 LOSS OF ALL AC POWER RECOVERY WITHOUT SI REQUIRED . PAGE -* 3 of 16 -STEP ACTION/EXPECTED RESPONSE RESPONSE NOT OBTAINED
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION:
| |
| * The-load placed on any energized emergency bus should NOT exceed 1200 amps, when energized from offsite power.
| |
| * The load placed on any EDG should NOT exceed 2750 KW. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * 2. MANUALLY LOAD THE FOLLOWING EQUIPMENT ON ENERGIZED AC EMERGENCY BUS: a) Align and start CHG pump: 1) Check valve alignment:
| |
| * CHG pump miniflow RECIRC valve(s) -OPEN
| |
| * CHG pump RWST suction valves -OPEN
| |
| * 1-CH-MOV-lllSB
| |
| * 1-CH-MOV-lllSD
| |
| * CHG line isolation valves . -CLOSED
| |
| * l-CH-MOV-1289A
| |
| * l-CH-MOV-1289B
| |
| : 2) Start one CHG pump b) Start Safeguards area exhaust fan c) Start at least two CRDM fans 1) Manually align valves .
| |
| * . , NUMBER ATrACHMENT TITLE REVISION 1-E-l 6 STOPPING UNLOADED EDGs ATrACHMENT PAGE 2 1 of 2 * * * * * * * * * * * * *"-* * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: The EDGs should NOT be stopped until the CTMT is sub-atmospheric.
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * NOTE:
| |
| * Only one EDG should be stopped at a time.
| |
| * EDG 1 should be stopped before EDG 3. 1. Verify that the base tank fuel oil level is greater than 290 gallons. 2. Push both ENGINE STOP pushbuttons simultaneously to initiate the engine cool down and stop sequence.
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION:
| |
| * If an auto-start signal is received while the EDG is in the cooldown cycle, the EDG speed will __ increase to between 870 and 910 rpm. If the EDG speed does not stabilize between 870 and 910 rpm, the SPEED CONT switch must be used to adjust EDG speed. 0
| |
| * The engine is in Governor Fast mode when in AUTO, resulting in speed adjustments being very sensitive.
| |
| Changes made with the SPEED CONT switch should be small to prevent engine over~peed.
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * 3. Verify engine speed decreases to between 470 and 490 rpm. 4. Depress the Auxiliary Trip Reset pushbutton and verify that the associated amber light goes OFF: EDG 1 -Diesel Generator Isolation Panel in Unit 1 ESGR EDG 3 -Unit 1 EDG 3 Control Panel in the MCR 5. Verify that the EDG stops after a 9 1/2 to 13 1/2 minute cooldown period. 6. Verify or adjust the SPEED DROOP control on the UG-8 Governor to zero. NOTE: Governor alignments will be performed by the Maintenance Department.
| |
| : 7. Verify scribe marks on the governor gears are aligned . 8. Verify governor SPEED KNOB is at the scribe mark on the dial .
| |
| ,.
| |
| * 2. 3. TS 3.16-3 08-02-90 If a primary source is not available, the unit may be operated for seven (7) days provided the dependable alternate source can be operable within 8 hours. If specification A-4 is not satisfied within seven (7) days, the unit shall be brought to the cold shutdown condition.
| |
| One battery may be inoperable for 24 hours provided the other battery and battery chargers remain operable with one battery charger carrying the DC load of the failed battery's supply system. If the battery is not returned to operable status within the 24 hour period the reactor shall be placed in the hot shutdown condition.
| |
| If the battery is not restored to operable status within an additional 48 hours, the reactor shall be placed in the cold shutdown condition.
| |
| : 4. A train of the opposite unit's emergency power system as required by Section 3.16.A.S above may be inoperable for a pe_riod not to exceed 14 days. During this 14 day period, the following limitations apply: a) If the offsite power source becomes unable to energi~e the opposite unit's operable train, operation may continue provided its associated emergency diesel generator is energizing the operable train.
| |
| * b) If the opposite unit's operable train's emergency diesel generator becomes unavailable, operation may continue for 72 hours provided the offsite power source is energizing the opposite unit's operable train. c) Return of the originally inoperable train to operable status allows the second inoperable train to revert to the 14 day limitation.
| |
| If the above conditions are not met, the reactor shall be brought to hot shutdown conditions within 6 hours and cold shutdown condition within the following 30 hours. C. The continuous running electrical load supplied by an emergency diesel generator shall be limited to 2750 KW . .e.a.m The Emergency Power System is an on-site, independent, automatically starting power source. It supplies power to vital unit auxiliaries if a normal power source is not available.
| |
| The Emergency Power System consists of three diesel generators for two units. One generator is used exclusively for Unit 1, the second generator for Unit 2, and the third generator functions as a backup --for either Unit l or 2. The diesel generatoFS hav~ a continuous 2,000 hour rating of 2750 KW and a two hour rating of 2850 KW. The actual loads using conservative Amendment Nos. 143 and 140
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| ** .. 4.6 EMERGENCY POWER SYSn:M PERIODIC TESTING TS 4.6-1 3-17-72 /u:,-olicabilitv Applies to periodic testing and surveillance requirements of the Emergency Paver System. Objective To verify that the Emergency Power System will respond promptly and properly when required.
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| Soec!fication The follCW'ing tests and surveillance shall be performed as stated: A, Diesel Generators
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| : l. Tests and Frequencies
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| ** Maznfally initiated start of tha diesel 1enerator, followed by manual synchronization with other pc,war *o~cas and assumption of load by the diesel 1anarator up to 2750 .z.. Thi.L will. b~ conducted mcnthly on uch # di ... al 1e-nerator for a duration of 30 minutes. No?m&l station oparation will not be affected by this test. J I ' b. TS 4.6*2 05-01-90 Automatic start of each diesel generator, load shedding, and restoration to operation of particular vital equipment, initiated by a simulated loss of off-site power together with a simulated safety injection signal. Testing will demonstrate load shedding and load I sequencing initiated by a simulated loss of off-site power following a simulated engineered safety features signal. Testing will also demonstrate that the loss of voltage and degraded voltage protection is defeated whenever the emergency diesel is the sole source of power to an emergency bus and that this protection is automatically reinstated when the diesel output breaker is opened. This test will be conducted during reactor shutdown for refueling to assure that the diesel generator will start within 1 O sec and assume load in less than 30 sec after the engine starting signal. c. Availability of the fuel oil transfer system shall be verified by operating the system in conjunction with the monthly test. d. Each diesel generator shall be given a thorough inspection during each refueling interval utilizing the* manufacturer's recommendations for this class of stand-by service. 2. Acceptance Criteria The above tests will be considered satisfactory if all applicable equipment operates as designed.
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| B. Fuel Oji Storage Tanks for Diesel Generators
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| : 1. A minimum fuel oil storage of 35,000 gal shall be maintained on-site .to assure full power operation of one diesel generator for seven days. Amendr:1erl.t Nos. 141 and 139 I 0 I l 'ti 1 2" . 5-1 2* . """ P')
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| * 0 I I -Cfil:J CED OE]. LJ o, o, u . -'---6sN 3 6s __ ,; .-:. -~ 2:1 '<=,*,* 2 . I N I ...... c=i c::J C:=J I :, i I SYN~I [~l R . . .3 'N I I ........_
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| .~ 1 . .-...r. I r' I I
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| * I I I I I I I I I I I I ' I I i I I I I *~ .. ' **'ft{ . :. ,: I ' 1. 7* l 7 c::::J *: . . *: . :~ . H c:::J 000 u c::J o.,s c:::J . ** i .016** c:::J 0 O,~a c::J . I I I I I I f>t>sR.., d r-sea u..-z -r;-t.1io 1 I 8)GN0-2-I (DC -n-]pj{,)pJ I J
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| * *
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| * Il.24 CORRECTIVE ACTION EVALUATION CA NO.: 24E CA DESCRIPTION:
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| Determine displays that most significantly affect plant safety on Auxiliary Shutdown Panel and modify to improve viewing. Coordinate with CA6E and CA21E. EQUIPMENT MARK NO. Pl-444A, Pl-464B, Ll-477B, Ll-467B, Ll-497B Il.24.1 BED REVIEW -ORIGINAL FINDINGS HEDNO. 22A02088 HED No. 22A02088 -Displays on Vertical Board Section too low/high to be viewed from normal viewing area. (NUREG No. 0700, Sections 6.1.2.2 and 6.1.2.5.b)
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| DC-88-25/26 would relocate (5) indicators to a 25° tilted front panel section to improve readability.
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| The DCP was not implemented . Il.24.2 BED REASSESSMENT
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| -PROCEDURES/PROGRAMS REVIEW EOPs jg)YES ONO ON/A The auxiliary shutdown panel is operated under procedures O-FCA-1.00 and O-AP-20.00 EPIPs 0 YES ONO jg) NIA EPIPs are not applicable to individual components on the auxiliary shutdown panel. APP. R
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| * IXIYES ONO ON/A Indicators are used for Appendix R shutdown.
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| ERF/SPDS IXIYES ONO ON/A ERF points L1FW004A, LlFWOOSA, L1FW012A for steam generators wide range level only. V ARS01M.B7S-l RG-1.97 DYES ONO IXIN/A RG-1.97 is only applicable to Main Control Room instrumentation.
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| LERs/IOERs O YES IXI NO O NIA No LERs or IOERs were found relating to readability of auxiliary shutdown panel information.
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| HPES/STA DEV/SOER *DYES IXINO ON/A No station deviations/SOERs were generated as a result of not being able to read instruments on Auxiliary shutdown panel. TECH SPEC ITEM DYES ONO IXIN/A The auxiliary shutdown panel is not Technical Specification related.
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| * *
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| * II.24.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE NUREG 0700 Section 6.1.2.S recommends in good practice that displays should be within 70 inches of the floor . The displays on the ASP which deviate from this recommendation are Pressurizer Pressure, SIG press and S/G A,B, and C levels. (Top of indicators are approximately 88.S inches above the floor.) In review of the applicable FCA and AP procedures, it is identified that the worst case display values are for the operator to read 70% -80% for the S/G levels. This reading is, out of all five indicators, at the higher range of the scale. Field walkdowns were performed to determine actual indicator display heights and viewing angles limits identified in NUREG-0700, Section 6.1.2.2. A walkdown of the panel shows no difficulty when reading these displayed values on indicators.
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| Safety Significance .The indicators are Class 1E safety~related components.
| |
| Potential for Error The potential for error is low when reading these indicators.
| |
| The values which are to be read from these indicators are ranges and not specific setpoint values. Simulator training shows no errors experienced.
| |
| No documented errors exist. Consequence of Error -Slight variations in the readings (within next minor graduation) will not have an adverse affect as the required values to be read are within a band and, therefore, no consequences of error . II.
| |
| | |
| ==24.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the above discussion.
| |
| and the following, sufficient information is presented to justify not implementing this Corrective Action. 1. Procedures require reading a range, not a specific value. 2. The worst case reading indicators 70%-80%. 3. No documented errors 4. No simulator training problems were noted. 5. Slight variations in readings will have no adverse affect or system operation . V ARS01M.B7S-l
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. I DRAWING/SKETCH/MISC.
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| CORRESPONDENCE CHECKLIST D D D D D D D D D D SURRY TlTLi ~DISPLAYS~
| |
| VBS TDD LCM/HIGH TO VE VIBIED F~ NORl'iAL VJEIIIN6 AREA tlJIIR,j ERROR: lHRBlLITY TO lil:AD DISPlAYS.
| |
| ff+ PROfUIII DESCRIPTI~:
| |
| ASSE&"'tlEl\'T LAS~ REVI:I. RESPQt.SlBZLlTY .STATUS DATE II -5 e8/(!7/S5 . DISPLJIYS LOIIER TIAI 41" I ABOVE 70" CM<<>T BE \Ila.ED BY 5TH STll.E FEM-£ FROi\ f()fW'L VIEWIIE A!Bl. (FRONT OF BBi 8700 PAAA.";RAPtl MIER: 6.1.2.2 6.1.f.5.ll SU86£STED BAC!\~!T:
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| D£TEAA!t*
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| DI5'1LAYS TriAi AFFE.C"f PL~T ~"E'TY & !Ei.OCATE TO til&iER/LOW:R LWlilON ON \IB TD ENSU~ EASE VIEWI~. DATA COLLECTICll DESCri!PTHlN CODE ~~1*11: T~l.c Atii~RO?O!l!ETRlCS SU~EY ITEMS lW"LL\'ED:
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| ll!AR!< hU!l!i5Ef<
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| LOCwi l~ COIIPOt¢" r SYST*111 Ll "'467B ff hu: lN lH\I F 1:.£ t LI-477B ff NOT IN INV FILE t U-497B H J(IT IN l~v Fl~ t PI~ ff NOT I" INV FILE t Pl-464B. ff fi[)T IN IfN Fli.E
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| * G,ovc9.~tv4_
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| w:-~
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| *-* . 177 -*------------TP-1.2 l May 1983 APPENDIX B9 '.':JO.. HUMAN ENGINEERING DISCREPANCY (HED) REPORT ~l) ,(L~ Sue.e..y /2-PLANT/UNIT ORIGJNA TOR: __ N_. __ \:: __
| |
| VALIDA TED BY: HED NO.: '.~ -1, DATE: Ci\':\ \g4 --*---------
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| &) HED TITLE: DI sPL.f:vs o N J.i;. B:Dc..eL f'e,,-)8-S e~,F"" ::roo L..OW p.,.:ic b) ITEMS lNVOL VED: t)\<<; P\..PIY.S IN Pi-~"~C \_\5;.T c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER: C.., I. 'l. 'l. *
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| * 1. l. S""b t*':::>P~s:
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| lg 511. d) DATA COLLEC.Tl::>~
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| DE:SCRJPTJON AND CODE NUMBER: TP 1.2.6~., ., . U)~l,.. ~001'""1 Si.,2111.y ~,,a't~P.,,..~1'9>
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| e) SPECJF'"lC H~M .O.N E:RROR(s):
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| IN tlGI:. 1-:'y ib ~AD CrSP>-~'/
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| 177 <.. **;*::'":;.".."'.*.*,r.1,--.~,.~
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| ... J A . .,.. ______ ** -. . * . APPENDIX B9 TP-1.2 1 May 1983 HED REPORT (CONTJNLED)
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| '
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| * **
| |
| * HED NO. /, 2 -'f-6 . . VIR-CINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION STATION/UNIT
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| * Su .,,r,1 I £ .2. --------,,;.--------------
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| MARK NO. ----------------------
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| 1 TE M DESCRIPTION d:Ax ,* /oy v >({I, t,li/; ;,,.)1-~ Po."'~ ( o ;-:£ L FC r C7 r'.., ( 7 CHANGE DESCRIPTION (RECOMMENDED RESOLUTION(S)
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| AND OPTIONAL RESOLUTIO R c? ;,v; -:>II e +-t e IO' C c~,.f ,*of C '"Ul ,*f ,,. .. .:1 *. ~. f'I~ ) J) .,-I ,-. 9 , / i ,'. *_-Tr o( *'"" ..;! ,, .. +,. ,._
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| * C( i-. /. C O"' T ., / _r COMMENTS:
| |
| I ' -ft. . ., f iJ I":>. -11.~ ----------------------------
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| f] _. /_ I * // ORICINATOR
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| ____ , __ f_,_,_f _, _1_ '---~DATE REVIEWED _ __..C .... ~_-.r,::;.,/---"-tf.;.,,;:'S::...----
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| **
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| * * -* GUIDELINE
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| : 6. 1.2.2 STAND-UP CONSOLE DIMENSIONS
| |
| : a. CONSOLE HEIGHT TO SEE OVER-When it is necessary for a standing operator to see over the top, console height {with or without ciator panels) should not exceed 58 inches. b. CONTROL HEIGHT-The range of suitable control height on stand-up consoles is defined by the reach radius of the 5th and 95th tiles {as defined in Exhibit 6.1-5). Measurements should be made using shoulder height and functional reach with the shoulder in line with the leading edge of the benchboard, as shown in Exhibit 6.1-6. The exhibit shows the results of -two console designs with differing board slope and depth. Controls may be placed somewhat higher on consoles with shallower and/or more steeply angled benchboards, which allow the shoulder reference point to be -closer to the back of the benchboard and to the vertical panel. { 1) The highest control on a stand-up console should be within the highest reach of the 5th percentile female without stretching or using a stool, ladder, etc. (2) The lowest controls on a stand-up console should be within the lowest reach of the 95th percentile male without bending or stooping.
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| : c. BENCHBOARD SLOPE -The benchboard slope, in conjunction with its depth, should result in all controls being within the reach radius of the 5th percentile female, as trated in Exhibit 6.1-6. d. CONTROL DJSTANCE FROM THE FRONT -EDGE OF THE CONSOLE ( 1) Controls shou Id be set back a minimum of 3 inches from the front edge to protect against accidental activation.
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| ,6, 1-16 CONTROL ROOM WORKSPACE 6;1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
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| ....... :--~ ; \_; . .. *.J.* . '*-*" --, *J -~
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| .\ ,. .. _.: .... ** 6.1.2.2 STAND-UP CONSOLE DIMENSIONS (Cont'd) d. CONTROL DISTANCE FROM THE FRONT EDGE OF THE CONSOLE (Cont'd) (2) No control should be more than 25 inches from the front edge of the console. This accommodates the maximum reach of the 5th percentile female adult as illustrated in Exhibit 6.1-6. CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Vn No Reference/Comment INCHES 108 " '\ \ SHOULDER HEIGHT* FUNCTIONAi..
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| \ 95TH PERCENTILE REACH ' MALE 61.B' . ....___..._
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| 5TH 49.4'--' ----PERCENTILE FEMALE -.:.;;-t--
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| --\ I
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| * One inch added for shoe height. LIMITS ON CONTROL tjslG_t!T_
| |
| 63 MAX. 27 MIN. 96 ........ . , ' '\ FUNCTIONAL
| |
| \ REACH \ , 72 SHO~DER' , HEIGHT 0 I 61 .8'! 3c:: O"' LIMITS ON CONTROL 60 ------::t*--~ --J __ f _____ ~EIGHT 9.4 2c:: .,.. I M5A6X 48 -__ ... ._ / .
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| * 36 24 12 27 MIN. Exhibit 6.1-6. Reach capabilities and control height on stand-up consoles
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| * 6,1-17
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| ** *
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| * 6.1.2.2 STAND-UP CONSOLE DIMENSIONS (Cont'd) e. DISPLAY POSITIONING-The principal factors affecting the readability of displays, including annunciator tiles, are: ( 1) display height and orientation relative to the operator's line of sight when he/she is standing directly in front of the display; (2) display distance and tation relative to the operator's straight-ahead line of sight when the operator must read the display from an off-side position; and (3) the size of display markings relative to the distance at which the display must be read. Marking/ character size is addressed in Guideline Section 6.5.1, and is not considered here. Except as specifically noted, measurements of angles should be made with the eye point in line with the leading edge of the benchboard.
| |
| This is illustrated in Exhibit 6.1-7. (1) DISPLAY HEIGHT ANO ORIENTATION (a) All dispiays, including annunciator tiles, should be mounted so that they are within the upper limit of the visual field (75° above the horizontal line of sight) of the 5th percentile female. (b) In addition, all displays and ators should be mounted so that the angle from the line of sight to the face plane is 45° or greater. The 5th percentile female determines the upper limit. The 95th percentile male determines the lower limit . 6.1-18 CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST
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| *-.... .-.~ .. , ::*** )*' *-_ .. /
| |
| **--******-------**
| |
| .. *****-'"'****-*---*
| |
| -.~.~ **-**----***--...* *-..... ,....; *.*.. , ... *-*-*** .. , .... * -** **.. ****-*******-
| |
| .. ._ *.... * ... * ...........
| |
| ** .........
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| -... -.:.....*
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| ,!',-* ........ -** _ ....... ***** .) .. *.... ,
| |
| * EYE HEIGHT 5TH PERCENTILE FEMALE UPPER LIMIT OF VISUAL FIELD ''-I 1So HORIZONTAL L.QS_O~ CONTROL ROOM WORKSPACE
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| : 6. 1 WORK STATION DESIGN 6.1.2 UPPER LIMIT OF VISUAL FIELD INCHES 108 96 84 72 60 48 36 24 12 , , EYE ,, HEIGHT 1, 69.s.:i ____ _ 95TH PERCENTILE MALE HORIZONTAL
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| _ .!:0!,0~ Eye height from Exhibit 6.1-5: inch added for shoe height Q Angle would be too smell for readability if display -~ mounted on vertical surface Exhibit 6. 1-7. Display height and orientation relative to standing Qperator LOS (line. of sight}. 6.1-19
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| * * ** CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Yes No 6.1.2.2 STAND-UP CONSOLE DIMENSIONS (Cont'd) e. DISPLAY POSITIONING (Cont'd) (2) HORIZONTAL DISPLACEMENT-The oblique angle from the line of sight to a display located to either side of the working position from which the display must be read should be at least 45°. This includes annunciator tiles, which should be readable from the acknowledge button. (See Exhibit 6.1-8.) Di1Plavs:
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| Max .. Displacement 48 I 316 . 2f 112 0 I 12 24 I I 7 / / / / , 36 ' 7 .. 'v / " . Eye refentnce point for , meten, gauges, etc.* V Eve reference point for ennunclat0r ti1i11* Reference/Comment
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| * For meters and other displays which mey hllYtl to be read while a control anywhere on the benchboard is operated, measurement should be made with the eye reference point in line with the leading edge of the bench* board. For 11nnunciet0r tiles, the eve reference point may be back from the benchboard edge. The distance back should be consistent with the ability of the 5th percentile female to reach the annunciator response pushbuttons.
| |
| 12 inches is a suitable nominal distance back for most consoles, Not,: A wraparound panel would allow greater displacement.
| |
| Exhibit 6; 1-8. Limit on horizontal displacement of displays from straight-ahead line of sight at the required reading position.
| |
| 6.1-20 I"
| |
| *-***-* * ... .:. ... __ .,.,.;._._.;*..,;.*.--
| |
| ....... ----.......* , ............. . *****-...... , ...............
| |
| _. ____ . ___ -*-* *~ _. __ .,.,,;,,.._.
| |
| ___ .1*~ ..... ~. * .. ---....... *-....... _ .... ** CONTROL ROOM WORKSPACE 6.1 ***-.. . * ./ 6.1.2.2 STAND-UP CONSOLE DIMENSIONS (Cont'd) f. LATERAL SPREAD OF CONTROLS AND DISPLAYS-The operator should be able to perform task sequences at a given work station with minimum respositioning.
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| The amount of operator movement required depends on the arrangement of controls and displays, not simply on the lateral dimensions of the ments of the control board. The maximum lateral spread of controls and displays at a single-operator work station should not exceed 72 inches. g, FOOT ROOM-Enough foot room is needed to allow the operator to get close to the board without leaning. A clearance of 4 inches cally and 4 inches horizontally is recommended.
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| 6.1-21 N/A I I WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST Yes No Reference/Comment
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| -I I l ! I I I I I I i /
| |
| ** GUIDELINE
| |
| : 6. 1.2.5 VERTICAL PANELS Exhibits 6.1-13 and 6.1-14 show common problems resulting from poor placement of controls and displays on vertical panels. The following limits are recommended.
| |
| * a. CONTROL HEIGHT (1) Controls should be placed in an area between 34 inches and 70 inches above the floor. (2) Controls requiring precise or frequent operation and emergency controls should be placed in an area between 34 inches and 53 inches above the floor. b. DISPLAY HEIGHT (1) Displays should be placed in an area between 41 inches and 70 inches above the floor .. (2) Displays that must be read frequently or precisely should be placed in an area between 50 inches and 65 inches above the floor
| |
| * 6.1-29 .. *******--*
| |
| **-*** CONTROL ROOM WORKSPACE 6.1 WORK STATION DESIGN 6.1.2 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
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| .'-,.
| |
| * MAY 1~ '92 10:33 SU!sRY SEN -NUMBER PROCEDURE TITLE REVISION 1 0-FGA-1.00 LIMITING MCR F!RK PA~E 11 of 25 STEP ACTION/EXPECTED RESPONSE 1------t '.RESPONSE NOT OBTAINEI>
| |
| ....-------....,, 21. _oN ENERGIZE.I)
| |
| EMER.GENCY BUSES Q!!1X, OPEN SUPPLY .BREAUR. TO i.ESPECTIVE A:Ffi/ CROSS-CONNECT tO PREVENT SPURIOUS CROSS-CONNECT OPERATION
| |
| * MOV*FW'-160A e MOV*FW*l60B
| |
| * MOV*FW-260A
| |
| * MOV<FW-260B 2Hl-232 2Jl-243 lHl-211 u1 .. 2141 22. _THR.OrrLE AN DISClfARGE MOVs TO MAiNTAIN SG v1!DE RANGE LEVEL BETilEEN 701 .AND 801 Control SG levels~ 1E one Emergency Bus b de-enei:gizcd.
| |
| 1 THEN locally isolate AUxiliary Feed Ya~er header ' containing corresponding MCJVs. *
| |
| * C)-FV-141 for H bus
| |
| * 0-FW-156 for B bus * ()~.Fil-171 for H bus * ()-FW-140 for J bus * (hFQ'-15.5 for ;I bus .
| |
| * 0-FW-170 for J bus IF AN flow 1~ established.
| |
| AND 0 SG llide lla!ige levels can !!Q! be inaintdned above 70%; IHfili isolate blc;,wdcnm.
| |
| coolers: : a) Close Slowdown Cooler A Isolacion.
| |
| ()-BD-152.
| |
| b) Close Blowdo~ Cooler B Isolation*, ()-JID-162.
| |
| c) Close Blowdown Cooler C Isolation, ()-BDftl72
| |
| *
| |
| .'-'. '-'' * \,_./
| |
| * MAY 19 '92 10:34 SUFRY SEN p 4.1'7 NUMBER P.ROCBDUR.E TITLE lUWI.SIOB l 0-FCA-l.00 LIMITING MCR. FIRE PAGJ:: 20 of:25 ACTI0Nj8XPECTED RESPONSE .__~~--"'
| |
| RESPONSE NOt OBTAINED t--~~~~-..-~--
| |
| *************************************~~
| |
| CAUTION: Alte,:na.te water sotl.l:c~s fo~ the l.:E'W Pumps will be necessary if ECST level decreases to le.ss than 5 feet by local indication.
| |
| * * * * * * * * * * * * * * * * * * * .,,,-'ft * * * * * * * * * * * * * * * * * *' 35. _INITIA'IE RCS COOL.DOW:
| |
| a) Determine RCS cooldown rate IAW Attachment 3 b) Throttle Dump valves to establish RCS cooldown c) Maintain SG Wide Razige level betwean 701 and BOI d} Maintain RCS Cold Leg temp~rature within limits .of Attachment
| |
| :3 e) Adjust Charging and Seal Injection flow to 1114intain a ~table PRZR level J6. LO\lER RCS P.RESSURE TO 1950 PSIG -!AV ATIACHMENT 3 I.
| |
| **~ '-'' * *...._,,.*
| |
| * MAY 19 '92 10:34 SUFRI' SEN P.5/7 NUMBER. PB.OCEDORE TITLE REVISION 1 0-FCA-1.00 LIMITING KCR FlRE PAG:p: 21 of 25 STEP ACTION/EXPECTED RESPONSE ********~******************************
| |
| CAUTION: SI will automatically uPhloc~ if FRZR pressure increases above 2000 psig or RCS Iave increases above 543~F. ***************************************
| |
| : 37. BLOCK SI: a.) Verify RCS Hot Leg temperature
| |
| -LESS THAN 543°F b) Verify R.CS pressure -LESS THAN 2000 PSIG c) Locally block SI LW A-cucbmenc 5 38. CHECK RCS COLD LEG TEMPERATURE
| |
| -~LESS THAN 450°F 39. ES'l:~LISH ALTERNATE LETDOWN IAW -ATTACHMENT 6 40. _CHECK CSD BORATION:
| |
| a) Sample RCS or Let:down b) Verify I.CS Boron
| |
| * AT GOLD SHUTDOW CONCENTRATION c) Stop Boration a) R.ETtJim 'l'O Step 35. b) RETOJlN TO Step 36. Maintain cooldown To'lt:e IAV Atcacbment 3 until Cold Leg eemperacure decreases to less 450 *r. b) Do ~he following:
| |
| : 1) Verify initiated or ini~i-te * ~rgency Boratlon.
| |
| : 2) tmEN Boron concencracian. . adequate; stop : Emergency Boracion.
| |
| .\_, .. *'--'
| |
| * M=IY 19 '92 10:34 SURRY SEN P.6/7 NUMISE
| |
| | |
| ==R. PROCEDURE==
| |
| | |
| TITLE REVISION l 0-AP-20.00 HA.IN CONTROL ROOK INACCESSIBILITY PAGE; 7 of: 9 STEP AC'J:!ON/EXPECTED RESPONSE i-------RESPONSE NOT OBTAINED J------'-----.
| |
| 12 . f.STABLISH REMOTE MONITORING IATi/ FCA-11,00, REMOTE MONITORING 13
| |
| * CHECK LEVEL IN ALL SGs -BETWEEN -70% AND 80% Control A1!W £low using KFW .HOVs~ NOTE: Steam Dump demand and AN make.up requiri::iuents ean be reduced by stopping RCP(s). One RCP should be left running. 14-. CHgCK RCS l'EMPEEATORE
| |
| * AT OR NEAR 7°F Locally operate steam dump~. l
| |
| -~-..__.. .. *
| |
| * M=IY 19 '92 10:35 SURRY SEN P.7/7 NUMSER PROCEDURE TITLE REVISION l 0-AP-20.00 MAIN CONTROL ROOM !NACCESSIB.ILITY PAGE 8 of :9 STEP ACTION/EXPECTED RESPONSE*
| |
| t-----RESPONSE NOT OBTAINED 1---------
| |
| *****~*********************************
| |
| CAUTION: PRZR Heater Groups A atJd B have no automatic functions when operated f;rom the Auxi.liary Shutdown Panel. 'l"hese heaters i;;hQuld be secured 1.f PRZR level dec~eases to less than 15%. ***************************************
| |
| : 15. _CHECK RCS LETDOW IN SERVICE USING ERFCS IN TSC 16. CHECK PRZR LEVEL
| |
| * BETWEBN 20 AND 30% 17. CHECK PRZR. PRESSURE
| |
| * BETWE!N 2220 -AND 2250 PSIG Do the following:
| |
| * a) Locally elose ( )-CH.304 ta isolate charging.
| |
| b) Locally reduce RCP seal injeceion flow ~o 6 GPM using Seal Wacer to RCP valves: * { )*Cll*294, A RCP * ( )-CH~297, & RCP * ( )-CH-300 1 C RCP c) Consult with TSC or plant staff on desired course of action.::
| |
| * Place alternat:e letdown in service !All D-FCA-1.00, LIMITING llGR FIRE, A'Ct.achment.
| |
| : 6.
| |
| * Initiat~ cooldown to control . PB.ZR level
| |
| * d} GO TO St~p 17. Control charging flow using C )-CR-FCV*( )122. Operace PRZR. Heaters Groups A or E . 1
| |
| .~.:. ...... :.-*~.: ....... : ..............
| |
| __ a.-~.---;
| |
| .... ::_* .. ,.*,:*-.... . . **-.... _ ..............
| |
| ___ **--~---_._.s .... -****-***--
| |
| .. :*** .,.~ .. .-.* ~. r ----------------*-----~-~~::;.-.
| |
| -. ,;;** .. } i; '*. :. a ,. 9 1/4. 1 1/2'' 9 1/4. J -.----r----f=-:.~~~-=-~~~~:-44_:5_/4_*
| |
| ------+-----, . l--1/t' ~~---~~~---i--~
| |
| ,* 0 0 0 PANEL CUTOUT FRONT ~EW ,: . '*l. __.......--c TYP 1 7/(r L s 112* I INDICATOR MOUNTING BRACKEI JOI~ (AS
| |
| ** *
| |
| * 11.27 CORRECTIVE ACTION EVALUATION CANO.: 27E CA DESCRIPfION:
| |
| Provide better functional arrangement of SI/CLS controls.
| |
| EQUIPMENT MARK NO. SI/CLS Selector Switches 11.27.1 HED REVIEW -ORIGINAL FINDINGS HED No. 23001225 -Related control/display grouping (NUREG-0700, Section 6.8.1.1.a,b)
| |
| HEDNO. 23001225 The CRDR surveys found that controls were not arranged and located in functional groups relating to systems. Several control switches and pushbuttons on the control room benchboard section 1-1 are not assigned to work stations so as to minimize operator movement or are not assigned to panels in functional groups related to system structure.
| |
| The consequence
| |
| -liniiting safeguards pushbuttons
| |
| [manual containment spray initiation (PB-CLS-TR2A & 2B) and system actuation reset (CS-CLS-RA
| |
| & RB)], the containment spray chemical additional tank control switches [recirculation pump (43-CS3) and isolation valves (CS-102A and 102B)], and the refueling water storage tank recirculating pumps control switches (43-RRA & RRB) are located with controls for the safety injection system. The safety injection system controls [manual safety injection initiation (PB-MSI-1&2), system actuation reset (PB-RSI-A&B), low pressurizer pressure SI block (43-SIB-Al
| |
| & 43-SIB-Bl), and high steam line flow with low T-avg SI block (43-SIB-A2
| |
| & 43-SIB-B2]
| |
| are located with controls for the consequence-limiting safeguards system. See attached sketches . DC~SS-04/05 were prepared to rearrange the subject controls.
| |
| The DCP was not implemented.
| |
| 11.27.2. HED REASSESSMENT a PROCEDURES/PROGRAMS REVIEW EOPs IXJYES ONO ON/A The SI/CLS operate and reset pushbuttons are used in various EOPs. Examples include l-E-0, l-E-1, 1-ES-1.1, 1.2, 1-FR-Z.1.
| |
| EPIPs DYES ONO IXJN/A APP.R DYES ONO IKJN/A ERF/SPDS DYES OONO ON/A SI/CLS control switches are not inputs to the ERF. VARS01N.B7S-1 RG-1.97 DYES ONO IXJN/A LERs/IOERs DYES IKJNO ON/A No LERs/lOERs were found which relate to SI/CLS switch location/misoperation.
| |
| HPES/STA DEV/SOER DYES IKJ NO O NIA No station deviations/SOERs were found relating to SI/CLS controls.
| |
| TECH SPEC ITEM IKJYES ONO ON/A The operability of the SI/CLS systems are defined under Technical Specification Section 3. 7.
| |
| * *
| |
| * 11.27 .3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The SI/CLS operate and reset pushbuttons are required to be operated in various EOPs. The pushbuttons are not functionally grouped with the associated SI/CLS system controls.
| |
| Safety Significance Potential for Error . Consequences of Error -The SI/CLS pushbuttons are safety related Class lE. The existing location and grouping of the SI/CLS pushbuttons affects the ability of an operator to perform required actions, and increases the potential for operator error. However, no LERs/SOERs documented errors are associated with this equipment.
| |
| In addition, the SI/CLS pushbuttons are located within the proper color demarcated area of the benchboard for the SI/CLS system. The benchboards were not demarcated at the time of the original CRDR review. This reduces the potential for error. Due to the CLS pushbutton covers, inadvertent initiation*
| |
| of CLS Hi/Hi-Hi is not postulated.
| |
| The consequences of operator error due to SI controls arrangement would be a delay in operator response time. The consequences would be minor based on the availability of automatic protective features.
| |
| In addition, the CLS pushbuttons have covers which would alert the operator and prevent inadvertent actuation.
| |
| SI/CLS are protective features which are initiated automatically when plant parameters are exceeded during postulated design basis accidents.
| |
| The EOPs require the operators to verify that SI/CLS has been initiated automatically (annunciation).
| |
| Regardless of SI/CLS automatic initiation, the operator is required to manually initiate SI/CLS. If SI/CLS has not been automatically initiated, the EOPs require the operator to check if SI/CLS is required based on plant conditions.
| |
| If plant conditions indicate that SI/CLS is required, then SI/CLS is manually initiated.
| |
| The operators are trained to initiate both Train A and Train B SI, CLS Hi and Hi-Hi pushbuttons.
| |
| The SI/CLS pushbuttons are manually operated only after the operator has verified annunciation or that plant conditions exist which are indicative of a SI/CLS. This verification process and self-checking will reduce the potential for operator error. In addition, the CLS pushbutton covers alert the operator as to what system is being initiated and would eliminate the inadvertent operation of CLS. Also during simulator training, the SI/CLS pushbuttons are required to be operated many times. No documented errors concerning the operation of the SI/CLS pushbuttons were identified.
| |
| 11.
| |
| | |
| ==27.4 CONCLUSION==
| |
| S/RECOMMENDATIONS Based on the above discussion, sufficient information is presented to justify not implementing CA27E. It is recommended that during simulator training, the arrangement and location of the SI/CLS pushbuttons continue to be emphasized . V ARS01N.B7S-1
| |
| -~ . i
| |
| * * * . 11.
| |
| | |
| ==27.4 CONCLUSION==
| |
| S/RECOMMENDATIONS (Cont'd) The reassessment process for this corrective action included a qualitative analysis to determine if the benefit of the proposed corrective action was commensurate with the total projected cost of the modification.
| |
| Based on this evaluation, it has been determined that there is no appreciable benefit to the improvement of plant safety, operations or human engineering principles, which justifies the projected high cost of the modification . VARS01N.B7S-l
| |
| * *
| |
| * APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS I EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SJ;)Rs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D D D D D Er D D D D D
| |
| ,, l ***,'~
| |
| * liV02/.85 t>q;=: 2! A:iS~SB~~, ~AS* R:v!~w TITLE RESPONSIBILITY STATUS DATE II -5 87/11/85 It.MAN ERIWR: TE~Rlt...
| |
| ERRORS -Dc:i.A1 It; &e:ARCH AND Rt:S?Ot6t Tl~. lff PROa.Efll DESCRIPTIOII:
| |
| O.TRL.S/DISPS 5tO..LD BE ASS16NED TO iirt.S IN FLWCTIDt; 6ROLPS RELATED TO SYSTEfl STIU:TURE, (W/111 & ~WT SRO.PSI, ~700 PAi1AeRAP>i
| |
| ,..Uf'llif:11:
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| b,&,l,l,A b,b,l,l.~
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| Eiuti6t5 i ED &+4CI\F li: I"ll/tS 7 li:,*Y,i:
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| &icC'll:.S
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| R£"Af<><S:
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| VH~-5 IID!S lNI/CJL.Yt:.D:
| |
| MRI< N.MBER L.OCAHor.
| |
| ~,.-r svsm1 SllBSVST91
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| |
| ----~---17:
| |
| * APPENDIX B9 HUMAN ENGINEERING DISCREPANCY (HED) REPORT OR.JGJNATOR:
| |
| -....-.-i,.,,-----;,~---
| |
| VP-, VALtDATED a) t-£0 TITLE:* _.a.,;;::::,,,:;,=...;;~---=i:~~a;....i..."'-F-~__.;~~~----
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| b) ITEMS INVOL VEO: . \15R. A,E 1 l,~C? /d(.P :t~L VV I ' * " ., ~f' -.. ' ,,
| |
| * e) SPECIF"JC HUMAN ERROR'a):
| |
| ...
| |
| * B9-l
| |
| ---------. ----------------
| |
| **------***--*
| |
| **-----.... ---*----*--,\)) tv~~ 0UJ _ -foci~ JA. u1-_ ~/ we,k __ :~ -~-~ ~c..\.-~~e1<"t_
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| ,:;,'\....o~~ \C)cA~ J ,.:_ ~;:r, ~cc:,~. --. -... -. *----*--* -* ------*-**-
| |
| -.------------
| |
| -** ---------------***-
| |
| --*,, *-***** -------* .. --.. ***-*-----
| |
| ------------------*-* *----. ... ..
| |
| 177 ** APPENDIX 89 HED REPORT (CONTJNL.£0)
| |
| ,0vn~ PL~NT/~IT t-ED NO.: Y(/-2 ...
| |
| * 89-2
| |
| : ..* HED PRIORJTY RECORD HEo*~D *~-s 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?.
| |
| : 3. HIGH SAFETY IMPORTANCE NO . (PAM OR 1E)? *. ERROR POTENTIAL?
| |
| : 5. CONSEQUENCE OF ERROR: CATEGOII'!'
| |
| I 110 2 2 . .. NED YES YES I '~..-L "Z_J HIGH I 6 _I_ HIGH 110 CATIOOJIY Ill ltO 0
| |
| * * '. ,; __ -;.*, ... :.*:. .. ..... * .... * *. .. * ... , _;_ **--*~ * .. .-!~. _ _;.._~::::.:...::.
| |
| ~* .. .:. ..... ~*.* .. * *. * :* *. * .. * ... * ... r.:. * -**. : . *-*. -;-.... *. . GUIDELINE 6.8.1.1 ASSIGNING PANEL CONTENTS Controls and displays should be placed within the control room at locations which promote efficient procedures, safe operation, and maximum operator awareness of the current system condition.
| |
| There are three general methods for achieving this dition. They are: (a) grouping by task sequence, ~b) grouping by system function, and (c) grouping by importance and frequency of use. a. GROUPING BY TASK SEQUENCE-Controls and displays should be assigned to work stations so as to minimize operator movement.
| |
| To the extent practical, this assignment should consider both normal and emergency pro* cedures. It should be practical to perform all frequently occurring routine tasks, and sensitive emergency tasks, with a minimum of human movement from panel to panel. b.
| |
| * GROUPING BY SYSTEM FUNCTION-Within the constraints of grouping by task sequence, controls and displays should be assigned to panels in functional groups related to system structure.
| |
| This grouping should promote easy understanding of the relationship between controls and system, and should assist graphic or pictorial display of system relationships.
| |
| : c. GROUPING BY IMPORTANCE AND FRE* QUENCY OF USE-Within the constraints of grouping by task sequence and by system function, controls and displays should be assigned to panels depending on their tance and frequency of use. Controls or displays which are neither important to plant safety nor frequently used should be installed in secondary panel locations.
| |
| 6.8-1 PANEL LAYOUT 6.8 GENERAL PANEL LAYOUT 6.8.1 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment 11*
| |
| * NUMBER PROCEDURE TITLE REVISION 7 1-E-0 REACTOR TRIP OR SAFETY INJECTION PAGE 3 of 21 STEP ACTION/EXPECTED RESPONSE t--~~--t RESPONSE NOT OBTAINED t----~~~~~---.
| |
| [ 3] VERIFY POWER TO AC EMERGENCY BUSES: a) AC emergency buses -AT LEAST ONE ENERGIZED b) AC emergency buses -BOTH ENERGIZED
| |
| [ 4] CHECK IF SI INITIATED:
| |
| a) Check SI indications:
| |
| * Safety Injection System Initiated annunciator (A-F-4) -LIT
| |
| * I.HSI pumps* RUNNING b) Manually initiate SI a) Try to restore power to at least one AC' emergency bus.** IF power can NOT be restored to at least one AC emergency bus, THEN GO TO l-ECA-0.0, LOSS OF ALL AC POWER, STEP 1. b) Do the following for any EDG which has failed to start: 1) Put EDG in EXERCISE.
| |
| : 2) Push START button. 3) Put EDG in AUTO. a) Check if SI is required as indicated by any of the following:
| |
| * Low PRZR pressure,
| |
| * High CTMT pressure,
| |
| * High steamline differential pressure,
| |
| * High steam flow with low Tave or low line pressure.
| |
| IF SI is required, THEN manually initiate.
| |
| IF SI is NOT required, THEN GO TO l-ES-0.l, REACTOR TRIP RESPONSE, STEP 1.
| |
| * NUMBER PROCEDURE TITLE REVISION 6 1-E-l LOSS OF REACTOR OR SECONDARY COOI.ANT PAGE 13 of 25 STEP ACTION/EXPECTED RESPONSE ...,_~~--t RESPONSE NOT OBTAINED i---~~~~~~---.
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: RCS pressure should be monitored.
| |
| If RCS pressure decreases to less ' than 250 psig [475 psig], one UISI pump must be manually restarted to supply water to the RCS. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *14. CHECK IF UISI PUMPS SHOULD BE STOPPED: a) Check RCS pressure:
| |
| : 1) Pressure -GREATER THAN 250 PSIG [475 PSIG] 2) Pressure -STABLE OR INCREASING b) Reset SI if necessary c) Stop UISI pumps and put in AUTO 15. CHECK SG AND RCS PRESSURES:
| |
| a) Check pressure in All SGs -STABLE OR INCREASING b) Verify PRZR spray controls -DEMAND AT ZERO c) Check RCS pressure -INCREASING d) RETURN TO Step l 1) GO TO Step 16. 2) GO TO Step 15. a) RETURN TO Step 1. b) Close PRZR spray valves. c) GO TO Step 16.
| |
| ]4' . --~*. ** * -NUMBER PROCEDURE TITLE REVISION l-ES-1.1 SI TERMINATION PAGE 2 of 24 -. --------------
| |
| *-----* STEP ACTION/EXPECTED RESPONSE i--~~--RESPONSE NOT OBTAINED t----------.
| |
| NOTE: Continuous Actions page should be monitored.
| |
| : 1. _RESET SI 2. _CHECK IF CLS CAN BE RESET: a) CTMT pressure -LESS THAN 14 PSIA b) Reset CLS if necessary c) Verify TV-IA-100
| |
| -OPEN a) GO TO Step 3. WHEN CTMT pressure less than 14 psia, THEN do Steps 2b and 2c. c) Open valve TV-IA-100.
| |
| I' *** * -NUMBER PROCEDURE TITLE REVISION 6 l-ES-1. 2 POST LOCA COOLDOYN AND DEPRESSURIZATION PAGE 2 of 23 --. --. ---------------,--*-**
| |
| STEP ACTION/EXPECTED RESPO~SE .,..._~~---4 RESPONSE NOT OBTAINED
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * CAUTION: If RYST level decreases to less than 22%, the SI system should be aligned for cold leg recirculation using l-ES-1.3, TRANSFER TO COLD LEG RECIRCUIATION.
| |
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
| |
| * NOTE: Continuous Actions page should be monitored.
| |
| : 1. RESET SI 2. _CHECK IF CLS CAN BE RESET: a) CTMT pressure -LESS THAN 14 PSIA b) Reset CLS if necessary c) Verify TV-IA-100
| |
| -OPEN a) GO TO Step 3. lrlHEN CTMT pressure less than 14 psia, THEN do Steps 2b and 2c. c) Manually open TV-IA-100.
| |
| r-'* (\J 0.. * -(n ~g a ra <<> Qaf HO 0, >4 .. . -QI . . ....... > * ,,.-. I ' 1.0 P*ZR "l,(55 t,.K~T UIA mg llol*
| |
| * Mt S.'1"4 f\.OW r "iloc.,< <<Gt'fmA ~Z&&
| |
| 0 * * .IQ .... . . 00 .... n~ g~; * .. UJ f\) < :D a E ,,, ::0 :z C n r g ::0 ,,, ti
| |
| * *
| |
| * 11.29 CORRECTIVE ACTION EVALUATION CANO.: 29E CA DESCRIPfION:
| |
| Perform study to correct Control Room glare/lighting problems and implement improvements.
| |
| EQUIPMENT MARK NO. NIA 11.29.1 HED REVIEW -ORIGINAL FINDINGS HED No. 20000009 -Control Room glare. (NUREG-0700, Section 6.1.5.3.f)
| |
| BED NO. See section II.29.1 below HED No. 20000008 -Abnormal Control Room illumination levels. (NUREG-0700, Section 6.1.5.3.a)
| |
| HED No. 20000001 -Control Room ambient lighting too variable. (NUREG-0700, Section 6.1.5.7.a.2)
| |
| * HED No. 20000003 -Operations not verified under emergency lighting. (NUREG-0700, Section 6.1.5.3.a)
| |
| HED No. 20000014 -Ambient lighting varies significantly in Control Room. Noticeable glare. (NUREG-0700, Sections 6.1.5.3.d, 6.1.5.3.b and 6.1.5.3.a) 11.29.2 BED.REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVIEW EOPs DYES IXINO ON/A
| |
| * Control Room lighting is required during EOP operations.
| |
| EPIPs DYES IXINO ON/A Control Room lighting is not addressed in the EPIPs. APP.R IXIYES ONO ON/A Control Room lighting is also used as Appendix "R" emergency lighting.
| |
| ERF/SPDS DYES ONO IXIN/A Control Room lighting is not associated with ERF/SPDS.
| |
| V ARSOlP .B7S-l RG-1.97 DYES ONO IXIN/A Control Room lighting is not applicable for compliance to R.G. 1.97. LERs/IOERs DYES IXI NO D N/ A No LERs/lOERs were found concerning control room lighting.
| |
| HPES/STA DEV/SOER DYES ~NO ONtA No Station Deviations/SOERs were identified as a result of control room . lighting problems.
| |
| TECH SPEC ITEM O YES IXI NO O NIA
| |
| * Control Room lighting is not Technical Specification related .
| |
| * *
| |
| * 11.29.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE Corrective Action CA29E was to perform an evaluation of the control room lighting and glare to identify modifications necessazy to improve the lighting levels in the control room and reduce glare to comply with acceptable standards.
| |
| A Type 2 lighting study was prepared in January 1989, which recommended:
| |
| : 1. Switching off alternate rows of lighting fixtures or, 2. Upgrading existing lighting system with fluorescent dimming. The selective de-energaation of lighting circuits would reduce the high normal illuminance level in the control room, however, this will not remedy the reflected glare problem. A special test was also conducted to evaluate the control room under emergency lighting conditions.
| |
| Interviews with control room operators during the emergency lighting test indicated that the general reaction to the 50% lighting level was positive because of the partial reduction in horizontal benchboard luminance.
| |
| Safety Significance
| |
| -Potential for Error -Lighting is required in the control room for operators to perform necessary functions to control the plant during normal and emergency operating modes, therefore lighting is considered to be safety significant.
| |
| The potential for delay is high if the lighting (bright or dim) affects the operator's ability to locate, read and interpret displays.
| |
| However, the potential for error is low with the current lighting design because glare and lighting brilliance can be counteracted by normal observation techniques.
| |
| No reported instances of lighting causing an operator error have been reported.
| |
| Consequence of Error -The consequence of error of the lighting due to excessive glare is dependent on the indication to be read. This may possibly result in an operator taking control action using data that was inaccurate . 11.
| |
| | |
| ==29.4 CONCLUSION==
| |
| S/RECOMMENDATIONS A subsequent walkdown of the control room and discussion with operators determined that although the overall control room illuminance is high, the operators prefer the current control room lighting levels which does not result in reading errors, delays and errors in response, eye strain or fatigue. Due to the low potential for error and no reported cases of lighting having caused an. operator error, the control room lighting will not be modified and normal lighting maintenance will continue.
| |
| The reassessment process for this corrective action included a qualitative analysis to determine if the benefit of the . proposed corrective action was commensurate with the total projected cost of the modification.
| |
| Based on this evaluation, it has been determined that there is no appreciable benefit to the improvement of plant safety, operations or human engineering principles, which justifies the projected high cost of the modification . V ARS01P.B7S-l
| |
| * * ,. APPLICABLE HEDs WITH BACK-UP DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES TECH. SPECS. DRAWING/SKETCH/MISC.
| |
| CORRESPONDENCE CHECKLIST D D D D D I D I D I D l D I D I
| |
| * ** SURRY lriiT e CODE B ASSESS1£t-'T LAST REVIEil TITLE RE~S!BILITV STATUS *DATE l!S/88/85 IIJIIIAti ERROR: READIN6 ERRRORS. EYESTRAIN/FATlQJE, fff PROBLEfll DESCR!PTIOh:
| |
| : LISTED ITcll!S HAVE SL.ARE Plhl&"5 DURIM3 tt'.IN-QERGa;CY CHOR!li.l MBIEt.'T LI6riTINl3, l!7N PA~~ Nll!ItER:
| |
| 6.1,5,J,F SU=ESTED BACi(!='IT:
| |
| US: 1,.0if:j;
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| !'-ile~m lV..oS ., I.UW Ii1s;£~0Ri bL.'i~: RAil"6S. r,RiJVlllt IiIFrUS:D/lNIIIRECT LI61'i1I"6.
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| VISORS/SrilaDS.
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| ~l.5 11,.L.IJ',},..;ilO!\
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| !iuiN:V ITEl'.S INVfLYED:
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| |
| ____ _ VALIDATED DATE: e) HED TITLE: GL,qRE b) ITEMS INVOLVED: , 1 ,. ~,-s J ~~,,,.. E,c.,A.. -u.sHBv-Tt:1"'-'~
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| g) REVIEW AND DISPOSITION:
| |
| * 6 a I HED PRIORITY RECORD
| |
| * HED II~~-\~ I 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH * . SPEC. VIOLATION?.
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| : 3. HIGH SAFETY IMPORTANCE NO 4. ERROR POTENTIAL?
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| |
| * ---.. '...> '-,*11.**._
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| HED NO. S-1::..1 A::-7 VIRGINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION ST AT ION /UN IT _________
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| S._u_r_r-1--y_*
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| _{_'I_, ._,_1_* -_-_l_t_:; __ ; MARK NO. ---------------------
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| 1 TE M DESCRIPTION C Dr* -( , (} / I::) Cu** [ i C /, 1 1 ,:,./ ------------.,.-......;,"""" ______ _ CHANGE DESCRIPTION (RECOMMENDED RESOLUTION(S)
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| COMMENTS:
| |
| ---------------------------
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| ORIGINATOR_.....:l-=8
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| ...........
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| f __ , ____ //_//;_/ __ DATE REVIEWED 5'--7--f5" *
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| VALIDATED s) HED TITLE: A6NOAl'?AL LEI/ELS. b) ITEMS JNVOLVEO:
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| P-'tG:.E Fo~ AELATEl> /vul'UEG 0700 EKH~/317' AND r'lf()8(E"1 l:>Esc,r,Pr~oN.
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| d) DAT A COLLECTION DESCRIPTION AND CODE NUMBER: nLV~*1/4'A71'tJP "rl°-/ ... 5 e) SPECIFJC HUMAN ERROR(s):
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| * ~E-"IDNVG, EA'~tJR S '# IAJ,r/1 T'/NG ER~olfS B9-l l)S-<J APPCNDIXB9 HED REPORT (CONTJ~UED)
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| SuRR 't' / IJ. 2.. PLANT/UNIT .t&-9 HEDND.:
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| * g) REVIEW AND DISPOSITION:
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| c:_~E, 9a. .. ~~<ff\ °' \1~\..\,~
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| ,* * ** 177 WORKSPACE APPENDIX 89 HUMAN ENGINEERING D15l-REPANCY (HED) REPORT TP*l.l l May l9fl3 vQgy /c,"~[t£r,~n~ 2 000 -00 0. . -ORIGINATOR:
| |
| t,~ T;,1 J~ HED ND.: f'X -/;) VALIDATEDBY: DATE, L-,!1 /"ft'Lf el ~DTITLE: .* C ~. h,~~. ~&1-Mn1 Ftld',1,-k a &I,,.~ '"":,;,.,.
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| b) ITEMS INVOLVED:
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| c}1~ /o-M.t. ~' v--rr--~ ,. f ~' c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER: b
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| * J
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| /,/ 8,.(13)
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| :177 ... * *
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| * WORKSPACE APPENDIX 89 HED REPORT (CONTINUED)
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| S u
| |
| * 1Z V /u N f zt 1 PLANT/UNIT . . B9-2 TP-1.l
| |
| * l Mey 1983 HED NO.; f ;r -/ ;t HED PRIORITY RECORD * ....._HE_D_#...,._f>k
| |
| ___ -__ \ "t., ____ __.I . *~ 1. DOCUMENTED ERROR?
| |
| * 2. DOCUMENTED UNSAFE
| |
| * CONDITION OR TECH. SPEC. VIOLATION?.
| |
| YES YES @ 5 *6 HIGH 5 J_ HIGH 3. HIGH SAFETY IMPORTANCE "NO . (PAM OR 1E)? 2@ 4. ERROR POTENTIAL?
| |
| 1 LOW 2(c) 5. CONSEQUENCE OF ERROR: 1 LOW 4 YES ND CATEGORY I CATEGDIIIY II CATEGDIIIY Ill ND ND ND ND 'e REASSESSMENT OF PROBABLE ERROR AND DEVIATION
| |
| -I HED t {Jr -I 2-1. EXTENT OF DEVIATION FROM GUIDELINES
| |
| : 2. ERROR POTENTIAL
| |
| : 3. CONSEQUENCE OF ERROR NONE 0 NO SOME ,1 2 3 4 LOW --, 2 3 4 LOW --r 2 3 4 ,,_..,.. ACCEPTABLE RESOLUTION MODIFY RECOMMENDATION OR JUSTIFY AND DOCUMENT SIGNOFF: DLC-RTL .... DATE: ______ _ 5 5 5 COMPLETE 6 HIGH 6 HIGH 6
| |
| * S~RRV UNiT i CCiI>t C A::,!:i;51:i!l'.:\T JIS: itE,V!E.;
| |
| Tli1.E ffE~!BlLITV STATUS DATE -------------------------
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| ---,.---IlI-8 e11111ss tlfl!AN c.Riiuit:
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| ERRLI~ llR i;;..wiv 11'1 U>":ii~Tuk li:.i:iPO,.Sa;
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| +++ PRui!I..EII!
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| DESCRIPTlilh:
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| ~Lrii IiffFt.iitt.iiAilDi.
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| UfCl.lrte lh t.~R Lltinil"6 Wll11i1~.
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| i:f< Cl!'Eiam~
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| LII~Flw..T lN ~R U&iTlN6 i7~ PARHtiiiMPP, ~ii: b. l.:,.;;.~
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| SUiiGESiED BACl{Fii:
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| V:.ii:iFY/IM.i..~:*f!
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| ~ii L~ili',iu11
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| ~~u,'l:;~
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| L~:1 t::11,t,it:i:~t
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| :..l~T11<<, UlN/lUi:i'e
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| ... DlS.iD~!Tlu~:
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| ii:;;::~ ;(: ii:-, lc:<<.\'Wtil
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| ~:) lr.-ll' li!~~t:O, liAiA L.U~t.r:;
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| iU!'i ve.£iliVi .u, ~i) C:.il::: tt1.1"'.toEit:
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| T.:>-~.::i .i~1.o!'..iMh~IJ'\o
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| !:,IJ!(v:.,
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| * f<a!Ala{::
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| Vi~! :.V~i..l.~
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| 7£ L,;j:'iif: .iC"'I!:, Lta.:il ~11.::w :..!Ei-!:"!Na CL."cLil "'.' lC~ IiE~S l11i/U"_\SI:
| |
| ..,:i~.,, Nt.l!l'.i:ltK LO.."Ai ,Li!'i C.Wu'1i'11T IIIAAt SVSTEI': ff huT lN JNV ~lLE t
| |
| * 117 n.!.l.MINATION
| |
| ,,... APPENDIX B9 ~-HUMAN ENGINEERING DISCREPANCY (HED) REPORT b) ITEMS lNVDL VED:
| |
| * TP-laS l Mey 198) . ... -~ ~} )
| |
| --* l7V n.LLMJNA TION APPENDIX B9 HED REPORT (CONTINUED)
| |
| ~u B R(/LJN1r;s I 'f a PLANT/UNIT g) REVIEW AND DISPOSITION:
| |
| _Q_JJ rJµ_ j;c VtqVLt;11{ .. B9-2 TP-1.5 l Mey 19S:5 HED NO.: PI -3 /
| |
| * ** hED NO ilTL.£ ~ERiWit: Itl.AY/t.Kmik lh LIi' +H Pf<ii&..E!li DESCR I PTI UII : k:i!:i~l(:NT l'cESPOhSlBlLITV STATUS III-B LAST !t:lllEw DATE ,1,11185 AR£~ OF Ci< OVER\..~ l!RiSrli, Ai81S f(Jf ll..LLll!lNATt.D cflAJ6ol.~AltS TO bE A SI6NIFI~T PR~ liiITH &.ARE. 07~ PAkASRA~ ~k: b.1.~.3.u b.1.~.j.:
| |
| b.1.s.~.~
| |
| !:iU66ES TED isAC~ Ii : P=~*C,R~ :..l~:l~ STuilY 10 I,:T~ii!l:!'i:
| |
| ~.:i:c.1~~c COw~~TlD!'c ACHON~. CORRECT AS REWIRED * .,.. DlSUOSITlu/1:
| |
| fc:;;:ti<
| |
| 11.i lib-:i (c~a,it;,:,1 f.11111 lJS;,.1~ (i: .. ~::i1, 11:TAi..:.D Ll&.,TlfiS
| |
| &iuDY. DATA Cu..i.ECTlON DE&CklPTiOrt Culi ~k: T,;,..l, 5 li.Lll"'l~ATliY-b:.1~:Y Ri:l!AK'<fi:
| |
| Pl-03ii. m.".s ih'.'&-~:
| |
| ~it~ hu";!.'lik LOCHi.lflll L:!Jir,;.~,r r.Qo\: SY~1t~ CR~ Llaril ff hOT lh Ir.~ fl!.E *
| |
| -* * ** 177 n..LlMJNATION APPENDIX B9 HUMAN ENGINEERING DJSCREPANCV (HED) REPORT b) ITEMS INVOLVED:
| |
| ((JVYlbt~ d) OAT A COLLECTION OESCRJPTJON AND CODE NUMBER: -TP-1.5 l May l9B) &~ -TP I, s-B~(iJ;(~J,~C,)
| |
| *e) SPECJF'JC HJMAN ERROR(s):
| |
| '':~\ t,;J#J-:-,.>JJ~f /~ ~~'-" ef_r.,-Jx cJ _/'~ d .. }->--L, .)A*-..OJrJ..)4 t,J\ ~~.) -. . .:., T~-/~.),._ c~iliJJf 1~~/c_,:,*1.,-'u
| |
| .. ,.:t.4.~, . '
| |
| -* ** 177 D..Ll.MJNATION APPENDIX B9 HED REPORT (CONTINUED) s va.~vtu n a t )' P ANT/UNIT TP-1.5 l May 1983 HED NO.: f+ -3 0 g) REVIEW AND DISPOSITION:
| |
| ~f ~yo.JJ-. ,&\Lfwiflj C clYYl 1 -rJ.., ~ti "+-i "1, ot) rJ.( .e pc..-1) Jtl-'lllt{
| |
| ltiliti~, sh~ -w/ ()_r-\'2-... B9-2
| |
| , .. '' .VIRGINIA POWER s -/ J I LJS'-I D HED NO. S-12 /lJs-'t _;.*, CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION . ~ODO -DO of{ 2Doi.:, -;_00o~
| |
| * STATION/UNIT s~rry [/,,,; / _-. I !-2 ----------,.,._
| |
| _______ _ MARK NO. ---------------------
| |
| 1 T EM DESCRIPTION C D i''J ,. () / f *?) ,... l ; ~/,, -!/,.,,: ----------------..---------------
| |
| CHANCE DESCRIPTION (RECOMMENDED RESOLUTION(S)
| |
| AND OPTIONAL RESOLUTIONS) j> t' ,,. /h-:.-f t.f , f ) ..., ff.,, ( ,:;,,_f,.-,( r I /) -~ -)rrl!?-:f
| |
| (),~/1.l t,.,1,/l fJ~ r>nu:l ?,....* /:,~ . p I"~ ft,,.., ~. /;,,, ; () -.. -. _-I, !) :..ll .. p,. ':. /,. /,, /,, *.) "' (} {
| |
| * i~li J' !;.it d: //~ s P rJ ,,JI; if s ,* f ;:, " ; .._,. ~" fhe s IA..l,. J I ~4 t*e (2J, i~.lic a for l,u*# f . fer ~l"'e.r , ,--~ ; / ' r:c;,,\ -lirol ;, ,;.. wi 1/ bt lf?ct,-,,:.,.1-lt:.f,*~-
| |
| ..
| |
| * 41;/( b~ 0 I>. COMMENTS:
| |
| ---------------------------
| |
| ORICINATOR
| |
| __ B_. __ r_, __ f_r/_1*_11_
| |
| 1 __ DATE REVIEWED 5'-7-?~ *
| |
| * *
| |
| * GUIDELINE 6.1.5.3 ILLUMINATION Adequate levels of illumination are necessary to ensure that visual effectiveness is sufficient for task performance.
| |
| While the following illumination levels should generally be observed, specific task situations may d_ictate other illumination levels. a. LEVELS-The recommended illumination levels, in footcandles, are listed in hibit 6. 1 -22. Task llluminance, footcandles Work Area or Type of Task Mini, Recom-Maxi-mum mended mum Panels, primary operating area 20 30 50 Auxiliary panels 20 30 50 Scale indicator reading 20 30 50 Seated operator stations 50 75 100 Reading:
| |
| * Handwritten (pencil! 50 75 100
| |
| * Printed or typed 20 30 50 Writing and data recording 50 75 100 Maintenance and wiring areas 20 ~o 50 Emergency operating lighting 10 As above for area/ta,k (Source: Illuminating Engineering Society of North America, /ES Lighting Handbook, 1981 Application Volume.I Exhibit 6.1-22. Illumination levels. 6.1-46 ** *** r *. * *****, ........ * *******-*-
| |
| *. CONTROL ROOM WORKSPACE
| |
| | |
| ===6.1 ENVIRONMENT===
| |
| | |
| ====6.1.5 COMPLIANCE====
| |
| | |
| CHECKLIST N/A Yes No Reference/Comment . I I :,t*~, *: ~~:: ./ .) .r_._ .. ' * ... __ ....
| |
| .--. ... ** *
| |
| * 6.1.5.3 ILLUMINATION (Cont'd) t,, UNIFORMITY
| |
| -The level of illumination should not vary greatly over a given work station. c. SUPPLEMENTAL LIGHT-Supplemental ing should be provided for personnel performing specialized visual tasks in areas where fixed illumination is not adequate.
| |
| : d. TASK AREA LUMINANCE RATIOS-To determine task lighting requirements, it is necessary to consider the levels of lighting which surround a task. Great disparities tween task and background lighting can lead to adaptation problems.
| |
| To ensure effective visual performance, the task area luminance ratios in Exhibit 6.1-23 should not be exceeded.
| |
| : e. SHADOWING-To reduce operator fatigue and eyestrain, shadows should be avoided. ( 1) Ambient illumination should be provided via indirect or diffuse lighting. . . (2) Labels, instructions, and other written information should not be in shadowed positions.
| |
| Arnt Task area versus adjacent darker surroundings Task area versus adjacent lighter surroundings Task area versus more remote darker surfaces Task area.versus more remote lighter surfaces Luminaries versus surfaces adjacent to them Anywhere within normal field of view Luminance Ratio 3:1 1:3 10:1 1 :10 20:1 40:1 Exhibit 6. 1-23. Maximum task area luminance ratios. 6.1-47 CONTROL ROOM WORKSPACE 6.1 N/A I I ENVIRONMENT
| |
| | |
| ====6.1.5 COMPLIANCE====
| |
| | |
| CHECKLIST Yes No Reference/Comment I i I I I ! I ! I I I I .l *I I I I i I ! I . I i I i I I I i I
| |
| ** **
| |
| * CONTROL ROOM WORKSPACE
| |
| | |
| ===6.1 ENVIRO_NMENT===
| |
| | |
| ====6.1.5 COMPLIANCE====
| |
| | |
| CHECKLIST N/A Yes No Reference/Comment 6.1.5.3 ILLUMINATION (Cont'd) f. GLARE-Glare increases the probability that an individual will misread a display or will fail to notice displayed information.
| |
| Glare can also produce discomfort.
| |
| Direct sources of glare include light emitted from luminaires, indicators, and displays.
| |
| Indirect sources of glare include reflected light from all surfaces, e.g., painted, metal, glass. Glare should not interfere with the readability of displays, labels, or indicators.
| |
| : g. REFLECTANCE -The amount of reflected light is affected by illuminated surface colors. Reflectance should conform to the mendations shown in Exhibit 6.1-24. (See also Exhibit 6.1-25.) . h. COLOR-:-Surface colors should be recognizable under both normal and emergency lighting conditions . Reflec:tanca Color I ., . Raflectanee Surfaca Pref9rrad Permialble White., , .. , , . . . * * * . * . . . * * * .
| |
| * 85 aceiling 80% 60.95% Upper Wall 50% 40,60% Lower Wall 15-20% I nstruments/Oisplays 80.100% Cabinet/Consoles 20-40% Floor 30% 15-30% Furniture . 35% 25-45% aRecommended reflectances are for finish only. Over-all aver-age reflectance of acoustic materials may be somewhat lower. The upper walls (one to two feet below the ceiling) may be painted with the same paint as is used on the ceiling, Exhibit 6.1-24. Recommended workplace reflectance levels. ... *~ *~* . ... .. .. . . . . . . . .-* 6.1-48 Light: Cream , , * . * . . * . * * * . . . . * . *
| |
| * 75 Grey , * , . , . * * * . * . * . * . * * * *
| |
| * 75. Yellow,.,.,.,.............
| |
| 75 Buff ... , ****....***.*.*. , ,. 70 Green *.**.*.....*...*
| |
| : . . * . 65 Blue. ....*.. , * * . . . * . . * * * * . 55 Medium: Yellow,...................
| |
| 65 Buff, , .** , .. , ** , ..**.*.* *. . 63 Gray * , , * * . . . . . . * * * . . . * * *
| |
| * 55 Green. , , ... , .*.... , **... ,
| |
| * 52 Blue. * . . . . . . . . . . . . . . * . . . .
| |
| * 35 Dark: Grav *.*..................
| |
| Red ......*............*..
| |
| Brown , , ; .. , * ....*...*. , .. , Blue .....*.. ,.,, ..... ,., .. Green, * , , *.. , , , . , , , . , ... , . Wood Finish: Maple. , .. , *.**. , , . , .. , , . , , Satin'WOod , . , . . . . , . . * . . , , . . , English Oak . , .. , .... , , ... , , , Walnut. , .. , . , *.... , .. , .*. , Mahogany , ...... , ..... , , ..* 30 13 10 8 7 42 34 17 16 12 Exhibit 6.1-25. Surface color reflectance values . .~*:.~")...
| |
| .. . ~, * .... *.::_:_~ti
| |
| < .... :: /
| |
| ~-* /
| |
| * GUIDELINE 6.1.5.7 AMBIENCE AND COMFORT An effort should be made to create a pleasant and
| |
| * comfortable work setting *in view of the long hours and confining aspects of the control room operator's job. a.
| |
| * DECOR -Features to be considered include: ( 1) Colo*r coordination.
| |
| (2) Use of color and lighting to create a cheerful atmosphere (without introducing glare and brightness to a degree that causes eye fatigue or an overly intense atmosphere).
| |
| (3) Visual relief from arrays of instrumen*
| |
| tation. (4) Comfortable seating. (5) Carpeting to lessen the fatigue of standing and walking. b. RESTROOM AND EATING FACILITIES ( 1) A restroom and kitchen or eating area should be provided within (preferably) or near the control room isolation boundary.
| |
| (2) Since formal breaks are not scheduled in most control rooms, it is important that personnel .have access to these facilities without delay. It is preferable that they be used only by control room personnel.
| |
| (3) Provision should be made for communi--cation if facilities are out of voice contact, so that an operator taking a break can be contacted as necessary by personnel in the control room. (See Guideline 6.2.1.7.)
| |
| : c. REST AREA/LOUNGE-Consideration should . be given to providing a rest area (possibly in conjunction with the eating area) conducive to relaxation and revitalization, especially where shifts are long. 6.1-53 CONTROL ROOM WOR!{SPACE
| |
| | |
| ===6.1 ENVIRONMENT===
| |
| | |
| ====6.1.5 COMPLIANCE====
| |
| | |
| CHECKLIST
| |
| * *
| |
| * 11.36 CORRECTIVE ACTION EVALUATION CA NO.: 36E CA DESCRIP'fION:
| |
| Redesign Auxiliary Ventilation Panel. Consolidate indication and controls for common ventilation equipment on single board and provide mimic. EQUIPMENT MARK NO. VNT-X, VNT Panels U.36.1 HED REVJEW -ORIGINAL FINDINGS HEDNO. 20003016 20A01215 20A03209 23003019 22A01310 22A03215 22F23026 HED No. 20003016-Controls that must be operated simultaneously located too far apart. (NUREG-0700, Section 6.8.3.1.c)
| |
| HED No. 20A0121S -Inadequate control and display grouping. (NUREG-0700, Section 6.8.2.1.a.2)
| |
| HED No. 20A03209 -Containment recirculation fans logical arrangement and layout. (NUREG-0700, Section 6.8.2.2.a)
| |
| HED No. 23003019 -Functionally.
| |
| grouped controls. (NUREG-0700, Section 6.8.2.1.a.2)
| |
| HED No. 22A01310 -Illogical arrangement of controls and displays. (NUREG-0700, Section 6.8.2.2.a)
| |
| HED No. 22A0321S -Mirror imaged components. (NUREG-0700, Section 6.8.3.b) HED No. 22F23026 -Ventilation panel controls for Unit 2 inconveniently located. (NUREG-0700, Section 6.8.1.a,b,c) 11.36.2 HED REASSESSMENT
| |
| -PROCEDURES/PROGRAMS REVJEW EOPs l&:IYES ONO DN/A Verification of system and damper alignment, examples are lE-0, l-E-0, Attachment 2 EPIPs DYES D NO !XI N/A Auxiliary ventilation panels controls/displays are not identified in the EPIPs. APP.R IX! YES ONO O NIA Controls exist on vent. panels which are used in Appendix R. ERF/SPDS IX! YES D NO D N/ A Aux. vent, vent control indication in ERF /SPDS V ARS01Q.B7S-l RG-1.97 IX! YES ONO D N/A R.G. 1.97 Control Room ventilation damper position indicators (Cat. 2, D-34 variable).
| |
| Misc. E (Cat. 2) variables
| |
| -flow indication for vent. stack. LERs/lOERs DYES !XI NO ON/A No LERs/lOERs pertaining to vent panel operation.
| |
| HPES/STA DEV/SOER DYES IXINO DN/A No Sta. Dev./SOERs applicable to Aux. Vent. panel operation.
| |
| _ TECH SPEC ITEM IX! YES D NO D NIA T.S. Section 3.22.
| |
| * *
| |
| * Il.36.3 NUREG-0700 REVIEW -DISCUSSION OF SAFETY SIGNIFICANCE The auxiliary ventilation system at Surry Power Station has undergone significant upgrading (addition of several fans, dampers, associated controls, recorders, etc). Limited space on the original Units 1 and 2 Ventilation Panels (VNT) located in the Control Room necessitated an additional Auxiliary Ventilation Panel (VNTX) to provide control and system flow status of the modified common auxiliary ventilation system in the Control Room. The resulting arrangement of the existing ventilation panels does not comply with NUREG-0700 "Guidelines for Control Room Design Reviews.
| |
| * Control switches, indicating lights, and monitoring instruments which are necessary for operation of the common auxiliary ventilation system are split between two Control Room locations, the Unit 1 VNT Panel and the VNTX Panel. Control switches are inconveniently located, and indicating lights are not always above their associated control switches.
| |
| Also, the existing pressure indicating controllers/flow indicators are arranged mirror image on the VNTX Panel. The original CRDR also identified controls that were not located conveniently or logically on the VNT Panels. The CRDR Corrective Action identified as "NP" would consolidate indications and controls for common ventilation equipment on a single board and provide mimics. Safety Significance Potential for Error Consequence of Error The auxiliary ventilation system is considered safety related. It contains controls, etc. powered from a variety of safety and nonsafety related sources. Technical Specification Section 3.22 requires that whenever either unit is in normal operation, with one train of the exhaust filter system inoperable, the inoperable train must return to an operable status within 7 days. The filter exhaust fans are also required to be operable during fuel handling operations to mitigate the consequences of a fuel handling accident.
| |
| Various controls and indicators are considered necessary for a train of filter exhaust to be operable.
| |
| The potential for error is low; the training manuals for the Ventilation and Auxiliary Ventilation systems adequately address operator actions to be taken during emergencies.
| |
| In addition, there were no station deviations or operational problems noted during simulator training concerning the layout of controls on the VNT Panel. The consequences of error due to location, arrangement, and grouping of controls on the VNTX and VNT Panels would be limited to a delay in operator response.
| |
| The controls associated with safety-related ventilation system are automatic during accident conditions.
| |
| Therefore, there would be no risk of injury to the public or plant personnel or damage to equipment.
| |
| Il.
| |
| | |
| ==36.4 CONCLUSION==
| |
| S/RECOMMENDATIONS There are two alternative solutions considered to correct the problems identified by CA36E: Solution 1 -Install new Auxiliary Ventilation Panel (VNTX-F) Solution 2 -Use the existing ventilation panels and continue to implement operator training.
| |
| The following is a discussion of each solution, its advantages and disadvantages.
| |
| Solution 1 -Install New Auxiliary Ventilation Panel (VNTX-F).
| |
| Solution 1 -The Auxiliary Ventilation Panel (VNTX) consists of two free-standing sections:
| |
| an indicating and control section (Front Panel, VNTX-F), and an instrument nest and relay section (Rear Panel, VNTX-R) . V ARS01Q.B7S-l
| |
| --) ;-I -I I I
| |
| * *
| |
| * 11.36.4 (CONT'D) This CRDR proposed modification will replace only the existing VNTX-F Panel with a new panel. The new panel will include all of the common Auxiliary Ventilation System control switches, indicating lights, and monitoring instruments of the existing VNTX-F Panel, with the addition of the control switches, indicating lights, and a monitoring instrument to be relocated from the Unit 1 VNT Panel (no devices are required to be relocated from the Unit 2 VNT Panel). The four existing Unit 1 and 2 Post-Accident Monitoring (PAM) recorders currently located on the VNTX-F Panel shall be permanently relocated to their respective Unit Vertical Main Control Boards as a part of future main control board changes. The modification can be done with either unit in any mode of operation.
| |
| It will involve, however, the temporary relocation of a limited number of selected control switches; indicating lights, and monitoring
| |
| * instruments (devices requiring relocation will vary depending on the selected operating modes) because of the limitations of Technical Specification Section 3.22 "Auxiliary Ventilation Exhaust Filter Trains," and the requirements of Regulatory Guide (R.G.) 1.52 "Design, Testing, and Maintenance Criteria for Engineered-. Safety-Feature Atmosphere Cleanup System Air Filtration and Adso11J.tion Units of Light-Water-Cooled Nuclear Power Plants." The new cable routing for this modification will use new overhead conduit for the permanent wiring between the Unit 1 VNT and VNTX panels. The temporary wiring required for the relocation of selected Unit 1 VNT and VNTX panel mounted devices during modification will be field routed and supported as required, maintaining the proper separation . Advantages
| |
| * Proposed modification when implemented will resolve all HEDs associated with the subject Corrective Action, and improve visual presentation of ventilation panels. Disadvantages
| |
| .-::. The engineering and implementation of the new VNTX-F Panel will be an expensive modification.
| |
| Areas which significantly contribute to high cost include:
| |
| * Procurement and qualification of a new safety related Class 1E panel
| |
| * Installation of the panel and testing of all ventilation circuits.
| |
| * Conduit installation in the control room including installation of seismic supports.
| |
| The area above the VNTX is congested and will require special support designs.
| |
| * Temporary relocation of identified control components during construction to maintain operation within technical specification.
| |
| The temporary installation will. be required to satisfy seismic and separation requirements.
| |
| * Extensive simulator changes and operator re-training . V ARS01Q.B7S-l
| |
| * *
| |
| * II.36.4 (CONT'D) Solution 2 -Use the existing ventilation panels and continue operator training . Because of the high cost of new panel design and installation described above, justification of the existing design is adequate.
| |
| Training and procedures minimizes the chances of an operator error. The following points are used in the justification of not implementing this modification:
| |
| * The seven HEDs associated with the ventilation controls and layout of the ventilation and auxiliary ventilation control panels were designated Category II-6 and II-7 in the HED priority' record. There were no documented errors, unsafe conditions or technical specification violations noted. The error potential and consequences of error was low. These facts result in a low priority level.
| |
| * The ventilation systems once initially aligned, are automatic and do not* require frequent manual operations.
| |
| * The auxiliary building ventilation system automatically aligns to the filters upon receipt of an accident signal. Operator action following an accident is confirmatory in nature to verify proper alignment of ventilation streams. The reassessment process for this corrective action included a qualitative analysis to determine if the benefit of the proposed corrective action was commensurate with the total projected cost of the modification.
| |
| Based on this evaluation, it has been determined that there is no appreciable benefit to the improvement of plant safety, operations or human engineering principles, which justifies the projected high cost of the modification.
| |
| Final recommendation, based on the information provided in Solution 2 is to continue with training with appropriate procedures for the ventilation system which minimizes the chances of error. There are no documented errors, unsafe conditions or Tech. Spec. violations noted. Also, the HED's associated were rated low priority category (NP) in the original CRDR. The high costs of the original corrective action modification (replace ventilation panels) are not commensurate with the operational benefit that would be gained . V ARS01Q.B7S-l
| |
| * , .*
| |
| * APPLICABLE HEDs WITH BACK-UP
| |
| * DOCUMENTATION NUREG-0700 SECTIONS EOPs/EPIPs ERF/SPDS Q-LIST RG-1.97 LERs/IOERs/SDRs TRAINING MODULES I TECH. SPECS. I nRA WING/SKETCH/MISC.
| |
| CORRESPONDENCE
| |
| * CHECKLIST D D D D D D D D D D
| |
| * * * \ 1, 'l &\JRRY U!i!T t CODE B TITLE ~3'!16 CTRLS ThAT ~T OPERATED SllWLT~riJSLY L.rolTED TOil FAR APART. ERRuR: U:-..LAY /EiiRO~ lN OP kES?i:tlSE.
| |
| +tt PROli~ U:-..SCRlPTltf(:
| |
| ASSESS!Er.T LAST REVIEW RESPOhSIB!LI'rY STATUS DAT; e5/e3/8S Ci'5 REPORT T~T TriEY I.DSt TRAC11 OF St.tTIN6S/RalillN6S lfr!lLE iaKI,.-; BETWEEN POINTS. @Ne PARAS~ NlJIII.BEk:
| |
| £>.a.;;.1,.c SUScESTED BAC~~I:: E'.lir.. ~S5i7Y ~ui ... uC~7 l"° CT~ L""OSE.R & ~OCAT:. Ir ~ESSARY. ADD ~i CTRi.. FOii EITHER FiJNCilOl't
| |
| * ..., D!~~J7liJ.tl:
| |
| / !fill:SI6N fr.ix \':,_~ P~ -CO~!:.!dDAT:.
| |
| IU CClll!IOh E~.il"' i:il\ SIN&..£ BOARD l PiUIYlIE lll11IC. DATA Cw.ECTIO!\
| |
| ~..SC!UVi".iO~
| |
| A.ta CODE NIJ!l1£*k:
| |
| 1-'t. ! C~ i iul:.S &:.!tN:Y 1191Are<S:
| |
| Pl-117, !S:~ ~l-19 <2o'=~6l, ITE."S HNrr..~: lli!J"ID:~
| |
| UX:1171~ c:o-.,;;~1iii SVSTE" H lll!J"r lN INV FILE t
| |
| * *
| |
| * CONTROLS APPENDIX B9 TP-A.1 1 Mey 198) HUMAN ENGlNEERJNG DISCREPANCY (HED\ REPORT S IJ f.<. @. V /tJ Iv I [S 1 r1) PLANT/UNIT . , , ~DlCo ,i_Dc,D ORIGINATOR:
| |
| e.9~,J--r.J,~
| |
| HED ND.: P..r: -/ I 7 VA.LIDA.TED BY: ~,.\0--DAT£:p!'1
| |
| / 0 7 If t ::i a) HED TITLE: l"kPJ: fr1M4 !& CAL kr wJ Tu r&f-'14 ;r, c) PROBLEM DESCRIPTJON A.ND 0700 PARA. NUMBER: r~ ~, P~.A,V././'J... -~,,-'J..,../i.,, ClA.L cx).........:ir
| |
| /0 W *1~ f" ~,A ~)v-J-~~ . -. 1 .Jv. (}-~ v--.w, J~ *. L ~-uk J{ .. -4~~ 1/~)4..o ~)J.., ..-,v-..H'J.L/
| |
| ... J.-"'j y~ '6, i, 3,,/'-d) OAT A COLLECTION DESCRIPTION AND CODE NUMBER: e,~ ~-7P4.1B~
| |
| c.rc. \/o. l(Jwlde)I\ l ? 't. 2.. e) S?ECIF'IC HUMAN ERROR(s):
| |
| -/1 * ' '-j Ll....,__.,,, c..., r,LJJ, 'f CLv..J / (" u J'./1 7. .r, *v, _)-A .._.. t (~/./V*.,,..-L_:,*
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| ../~~~T~-,.._~
| |
| dJvJ--C,~,.J....., _//-)~-. 89-1
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| * .:DNlRCLS APrENOJX B9 HED REPORT (CONTINUED)
| |
| S V ,t_P., Y /uN 17:i I d PLANT/UNIT B9-2 TP-4.1 1 May 1983 HED NO.: p J -I I 7 -
| |
| *
| |
| * I . ..-.
| |
| * HED PRIORITY RECORD HEDI~\\-, ... 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. . SPEC. VIOLATION?.
| |
| : 3. HIGH SAFETY IMPORTANCE?
| |
| NO C. ERROR POTENTIAL?
| |
| 1 LOW 5. CONSEQUENCE OF ERROR: 1 LOW C&TEGOIIIV I NO ltO CATIGOlll'fll NO 5 5 YES YES 7 btXJ-7-J IL _j__ HIGH ....L HIGH C&T!GOIIIT Iii NO
| |
| * *
| |
| * eB/EJ/85 l1B SURRY UNIT e CODE B 16SESSJEtrr LAST REVIEW TITLE RESPCIISIBILITY STATUS DATE ~1215 I~QI.JATE CONTRCL INl DISPulY SROIPilii.
| |
| t6/S7/85 KMAN ERROR: ~LAY Ih DP:AATIN-S c:o,mas. H+ PROBLE~ DESCR!PTICl\:
| |
| EDE VENTlL C:TRi.S COMJ!,, PNi.., D'HERS Cl. END i,.IT ~RTPHI.S -PARTIClUIR PROB Ii/ CT"1' PURSE FL IO'RS OH UNIT 1 @700 PARAE:iRAP!i l'<<J!l'JiEII:
| |
| "&.~. l.H.E: 5!.F.iii£S~ED BP.C~FI7:
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| REi.OCA~ i:Ct!. i'll~1'' i'URaz Fl..i.Jw ,.ETEij C:OlffRCk.S Tu COIIIION PAEL, t-t-4 DISPOSiil:)11:
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| R:.::.=< 111 Vi~:.H-3.
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| ~D YR:..IDAilON ITEMS ItNik.Y.:D:
| |
| MR!\ ~.Jl'.BER LOCRTl~ C[)IIPOl*NT SYSiEI! YEHTIL C:TRi.S H Mli lN lNV FILE* SLIBSYST01
| |
| \' ' 1 May 1983 APPENDIX B9 HUMAN ENGJNECRING OlSCRE:PAt-CV (HEO) REPORT .. $f.> ., £ 2.. PLANT/LJNh ORJ~JNATOR:
| |
| -.J:;.L.:~~:r==:._..-..1,,---
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| __ _ VAUOATCO BY:.~~=:::::::::~~~~
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| BATEi 3 --. a) HED TITLE: o \ t: cl~ I .. ***
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| * c) PROBLEM DESCRJPTJON ANO D700 PAR.A. NUMBER: (.,_ ,g, "2.., l o... t-z. 7 S Cf'W\.L. J k\.,t.\ \' C>... t \ CN\ C ~*v\'t\, \i \) vi' J... CM C' q'VV\ VV\ f'V\ pC!.IVl.t\
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| W~ *," ~"'.\-~"~
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| cm.\-t"I) 119-1 I
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| * PLANl/UNIT RtVltW ANO D1SPOSIT10N:
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| * *
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| * ia/23/85 PAa: 13S !:URRY LW!T e CODE B ASSEss.Et.T LAST REVIEW TITLE *RESPONSiBILITY STATUS DAT£ C~1Al!*-E~T RECIRC FANS LD61CA.. AR~T LAYCiUi. II -6 @7/11/85 K.M. ERROR: [PERATlCIH Cf Wl!Ote COl'.'LWENT.
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| fft DISPOSITIOII:
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| TP-&. l CO!iVEPt'TILINS SuRVEY REIIIAAAS:
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| |
| IF NECESSARY.
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| Hf DISPOSITIClh:
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| * *
| |
| * 177' APPENDIX B9 HUMAN ENGINEERING DISCREPANCY
| |
| <HED) REPORT .> PltANT /UNIT 0R1G1NAT0R:
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| |
| .;> c fur-if:At-rr'f HED ND., Vl)-10 . f) SUGGESTED BACKFIT: g) REVIEW AND DISPOSITION:
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| |
| HED ND.: t)S-~J\ PLANT f) SUGGESTED BACKFIT: 8';2. 3.b (Z) SUJ/,CN ~OC;/7/t,PS or 0~ SG(.)/'TCN
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| ~hi &Yiiii, ff kJ: lt. lr.v Fli.i
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| * LAST ii£V!:loi DP.TE 0:/07/85
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| * *-*-177 ANTHROPO~TRICS APPENDIX 89 HUMAN ENGINEERING DISCREPANCY (HED) REPORT Su,si<.y/u111,s..
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| I 1 ,l PLANT/UNIT b) ITEMS INVOLVED:
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| ~>"-~, c) PROBLEM DESCRIPTION AND 0700 PARA. NUMBER: I~ TP-1.2 l May 1983 "-** r-.. ; " ', " . ,:*-" ., ' *'l -*< ' .. .. \ c.:.: ') :, . .., ... -6. \?, ::! . / ,._ 1 }.,-1 C -
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| , *" * ,r . * * ' 177 ANTHROPOtl,ETRICS APPENDIX 89 ... HED REPORT (CONTINUED)
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| S u ls 1s if u M) T £: I ;t_ LANT UNIT g) REVIEW AND DISPOSITION: " TP-1.2 l May 1983 HED NO.: p;z -I? -
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| . . . .. P::r-19 *-. . *------***-*-*----*--
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| ___________ , .... -*--* ---*. --**. ----*
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| ~-----------------:------,-----~---
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| ---r.r-,~ ---**** -------*---------
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| -** *--*-----------**-*
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| -------. ---***---------****
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| ----*-***
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| .... __ -JC" ,NT_ v ,4(!.; _ Pu /11..E.'___L:S_o L_ Y L-_ V. -F!LJ t11.f' _c.o !YT fl.(,) w;; __ S _ _ _ _: ___ OJ'l --~ .JJ< I f ___ yi9_L __ v_~_ ---~--02i.
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| __ 1 . **-----~--~-J--
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| .. --------------------------*-. --. ---------.. . -----... -* .j-,~~oc.c.:-ss
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| _V6N7!.L.~_/fT1D..N.~.1 s.a L-._Vl.. v_~----~--~l.@.-urD
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| ,~ _ ,_~J.V A STE ____ t'/V_l..._~
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| --~-~~t .. -------~ _ \ .. -*---:-*-~-~~-~ IJe.~., iJJ ONM(.iM /l'YVlM'~'*titil\Vllp~:-~,l_J
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| --~-... -T&.LP ..... V A-LVE s: ...... --*. **-*-** --* .. ****-.. . **------------------***
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| **--*-----.. --**-*. -. ---* c/-f c.. _j<J:s~T ___ _µ __ ~-t,./...J;
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| --*** -** **---* -*-***---...... -*--. -J I * . .. *-*---------*
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| -*---*--*-*-*
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| ,I-J 9 -tJ--.., f,1."'\ r '?-: ( ~J~J?;-4...:I.....L-~ . . -------------
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| -----).~~ *'J --------------. --------** --.---* ----~,~v < . -. , f It,
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| * l=f+/-C. lJ)~_/5.~_v__:r~~-~-~-~
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| -~-~I\ I *. . . *. *-. *.. . . . -* -* " . . . -.. *-: . .*: . .. *. "j . . ---*-------------------------**-*
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| ---------** . -----------*-***-------
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| -----*----*-----*--------*-----** . .. . ---. --------*-----------
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| ----** --**-*** -* ------------... ...... _ *-* ---. --*-... **---*-*--*. --** *-__________
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| :._ .. _____ *,.,"" . ------. . . . *--. ---*-.. -----... *-**3 **-*. -----*--* **--..... \ -** --*--------* ---\_ . . . .
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| * * / * ;f HED PRIORITY RECORD 411,, ., HED # L '\ I . c:;;;; 1. DOCUMENTED ERROR? 2. DOCUMENTED UNSAFE CONDITION OR TECH. SPEC. VIOLATION?" e 3. HIGH SAFETY IMPORTANC NO . (PAM OR 1E)? 4. ERROR POTENTIAL?
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| 1 LOW 5. CONSEQUENCE OF ERROR: 1 LOW YES CATEGORY i ND NO 2 2 HED 3 4 ;@ 4 NO CATEQOAY II I NO YES YES YES (i) 6 HIGH 5 .J_ HIGH CATEQDRY Ill NO -
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| * .' * ** * -* H ED NO * ,'-:I -1 : : -*_. VIRGINIA POWER CONTROL ROOM DESIGN REVIEW HUMAN ENGINEERING DISCREPANCY (HED) RECOMMENDED RESOLUTION STATION/UNIT £A. V' r v t)_ r"I; i.s I i J.. -----------~, ---------------
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| MARK NO. ----------------------
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| 1 TE M DESCRIPTION
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| _.1..,;/1-..:...]
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| .... / _;c __ *.;;;.o_~_l""\_v_"--
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| ___ V_e._,-,,:{
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| ..........
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| : l..;;.c. ..... 1_:~_ .... ...;:;-'_.
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| ___ (..;;.o .............
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| 1_r ..... ;)=L-----CHANGE DESCRIPTION (RECOMMENDED RESOLUTION(S}
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| AND OPTIONAL RESOLUTIONS) 0 i/1. () / / .. i ( ! . .1 -i i ( .; ' C O '""i r .:> I .J' (i .,, Ii . )?? t'm ;( s , r ' ;* ,..~. ;,.-I::', 1 , ! (e { ; 0 , *. . I I I {I * '.' (Ir .i : ' I*, < ( o,,, .. ,,... o,. I v; (:, I
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| * ORIG INATOR _ __,,1,..2,;.__t_,-_'
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| _l-1_1 _i _I /_....._ __ DATE REVIEWED _ ___,:.</_-_.2~}...;-
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| ?~5 ___ _
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| * *
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| * PANEL LAYOUT 6.8 SPECIFIC PANEL LAYOUT DESIGN 6.8.3 GUIDELINE 6.8.3.1 SEPARATION OF CONTROLS Recommende9 minimum control separation tances are shown in Exhibits 6.8-2 and 6.8-3. In most cases, control room operations will. require greater separation; The functional requirements that should be considered are: a. ACCESS -Control access should not be peded by any position of an adjacent control. b. INADVERTENT ACTUATION-Control ation should not result in inadvertent actuation
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| * of an adjacent control. c. SIMULTANEOUS ACTUATION
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| -
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| ous actuation of adjacent controls (where required) should be possible.
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| 6.8-10 COMPLIANCE CHECKLIST N/A Yes No Reference/Comment
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| -> .; ' *-*" *:-**~....,___
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| .. . \ . -.~ -~: . ** -~--' ;,..__,,..
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| *-*-,--..._
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| ... ** ..;..-.:..,,._.................. . ..... ****4'>**---
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| ..... , ***-** **. . . *-*-** ....... *"* PANEL LAYOUT 6.8 LAYOUT ARRANGEMENT FACTORS 6.8.2 GUIDELINE 6.8.2.1 SEQUENCE, FREQUENCY OF USE, AND FUNCTIONAL CONSIDERATIONS The layout of panels is a compromise among a .number of considerations.
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| In some instances, various human factors principles will conflict, not only with
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| * each other but also with other design requirements.
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| Because it is* difficult to rate the conflicting siderations for importance, final decisions must be based on careful evaluation and sound judgment This subsection deals with the analysis of the factors of task sequence, frequency of use, and function.
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| : a. -SEQUENCE-Controls and displays which are used together during a normal task sequence should be grouped together. ( 1) Displays which are observed in a specified sequence, as during hot-leg temperature check for all reactor coolant loops, should be grouped together.
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| It is desirable that they be positioned so that they are normally used in a left-to-right, bottom, or other natural sequence.
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| (2) Controls which are operated in sequence, as in energizing a system or aligning a series of valves for a particular function, should be grouped together.
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| It is desirable that they be positioned so that they are normally used in a left-to-right, . top-to-bottom, or other natural sequence.
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| (3) When there is a set of related controls and displays, the layout of displays should be symmetrical with the controls they represent . 6.8-5 COMPLIANCE CHECKLIST N/A Yes No
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| * *
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| * PANEL LAYOUT 6.8 LAYOUT ARRANGEMENT FACTORS 6.8.2 6.8.2.1 SEQUENCE, FREQUENCY OF USE, AND FUNCTIONAL CONSIDERATIONS (Cont'd) b. FREQUENCY OF USE-Frequently used controls and displays should be arranged to reduce search time and minimize the potential for error during use. ( 1) They should be near the center of the preferred visual and manual areas. (2) They should be positioned so as to be easily identified.
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| : c. FUNCTIONAL CONSIDERATIONS-tionally related controls and displays should be grouped together when they are: ( 1) Used together to perform tasks related to a specific function (e.g., operation of the residual heat removal system). (2) Identical in purpose {e.g., reactor coolant pumps). 6.8-6 COMPLIANCE CHECKLIST . -~*._..,;, *;::::,,:*; . *;:_)/ *-,,.,~
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| .... .....
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| * PANEL LAYOUT 6.8 LAYOUT ARRANGEMENT FACTORS 6.8.2 GUIDELINE 6.8.2.2 LOGICAL ARRANGEMENT AND LAYOUT The arrangement of controls and displays should be logical, but should not compromise sequence of operations or functional integrity.
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| Logical ments are generally based on operator expectations.
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| In general, *operator expectations will be met when components have a left-to-right or top-to-bottom arrangement and are identified in alphabetic or numeric sequence.
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| For example, four related plays in a row should be designated A, B, C, D, or 1, 2, 3, 4; correspondingly, any controls related to these displays should also be designated A, s; C, D, and 1, 2, 3, 4. Well-designed system mimics will help to direct and satisfy operator expectations.
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| : a. ORDER AND LABELING -Components should be arranged left-to-right and/or bottom, and _be identified in alphabetic or numeric sequence . b. OTHER EXPECTATIONS-Where other . operator expectations can be identified, components should be arranged to match these expectations.
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| 6.8-7 COMPLIANCE CHECKLIST
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| ~. *
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| * PANEL LAYOUT 6.8 LAYOUT ARRANGEMENT FACTORS 6.8.2 GUIDELINE 6.8.2.3 LAYOUT CONSISTENCY The location and* arrangement of recurring func* tional groups and of individ~al components of those groups should be similar from panel to panel or within a panel. a. REPEATED FUNCTIONS-The layout of identical control or display sets should be consistent at all locations.
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| : b. MIRROR-IMAGING
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| -Layouts of repeated functions should not be mirror-imaged.
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| 6.8-8 COMPLIANCE CHECKLIST N/A Ves No Refer11nce/Comment
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| .**J ~];.*" c{r~~ *-:~-~: .. :;*
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| *
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| * 7 1-E-O REACTOR TRIP OR SAFETY INJECTION PAGE 12 of 21 STEP ACTION/EXPECTED RESPONSE ...._~~~...j RESPONSE NOT OBTAINED 1--~~~~~~--, 18. __ VERIFY VENTILATION ALIGNMENT:
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| a) Check all REFUEL SFIT MODE switches -NORMAL b) Verify ventilation alignment IAW Attachment 2 19. __ VERIFY AC POWER ALIGNMENT:
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| a) Check all Station Service buses -ENERGIZED b) Check reactor banks -TRIPPED
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| * SR-12
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| * SR-22 c) Check Unit l Auto Start Block annunciator (VSP-J-2)
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| -LIT d) Check Unit 1 RSST LTC time delay bypass light -LIT e) Check Unit 2 -SUPPLIED BY RSS f) Check Unit 2 RCPs -RUNNING g) Check Load Shed -INITIATED a) Do the following:
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| : 1) Notify Refueling SRO to stop refueling operations.
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| : 2) GO TO Step 19. WHEN fuel in safe condition, THEN do the following:
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| : a. Put all REFUEL SFIT MODE switches in NORMAL. b. Verify ventilation alignment IAW Attachment
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| : 2. a) IF offsite power available, THEN manually transfer to RSS. b) Manually trip reactor banks. e) GO TO Step 20. f) GO TO Step 20. g) Initiate 0-AP-,10 .10, LOSS OF AUTO LOAD SHED. E u H ,, l-'.* fl I\ j NUMBER ATTACHMENT TITLE REVISION 1-E-0 AUXILIARY VENTIIATION SYSTEM 7 ATTACHMENT PAGE 2 1 of 2 'j TABLE 1 UNIT #l VENTILA.TION PANEL MARK NUMBER EQUIPMENT STATUS l-VS-F-4A
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| & B OFF 1-VS-HV-lA
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| & B OFF 1-VS -F-SA & B OFF. l-VS-F-9A
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| & B GREEN 1-VS-F-59 GREEN -~. 1-VS-F-6 OFF 1-VS-F-39 GREEN . l-VS-F-7A
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| & B GREEN l-VS-HV-5 GREEN ' r' 1-VS-F-56A
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| & B GREEN t :
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| * l-VS-F-40A
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| & B GREEN ! ! f! l-VS-HV-4 GREEN li 1) 11 2-VS-F-40A ORB RED 2-VS-HV-4 GREEN
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| ---* uov*L SURRY NUREG 0696 COMPUTER _INFUT/OUTPITT LIST Pl.CE n SHEET l OF THE DIGITAL INPUT CONDENSED REPORT INSTRUMENT MARK NUMBER SORT ------------------------------------------------
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| --------------------------------------------------------------
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| * 6 6 1 1 ~-1 82 81 4 85 60 l 62 3 33 1 0 7 8 \1li1 s I I s C T N N
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| * u H A V I -INSTRUMENT DATE L B A R E T OPEN CLOSED POINT INPUT MARK PO~NT DESCRIPTION TESTED I L N T SIGNAL R STATE STATE ID NUMBER NUMBER N I N TYPE s s DESCR DESCR
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| * K N E B T ._; K L I M A T s T
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| * K E -----------------------------------------------------------------------------------------------------------------------------------
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| -* XlSH002D 1Sl2-071 l-SH-P-48 SER HATER-PUMP 48 (NL) 06-28-90 03 2 07 0 l20VAC 0 NT RUNNG RUNNING :ilVGOOlD lSl0-023 l-VG-TV-109A PDTT VNT ISLN V (ORJ <> 11-20-85 02 2 02 2 120VAC l NFL CLD FULL CLD SlVGOOZD lSll-044 l-VG-TV-1098 PDTT VNT ISLN V (PLJ <> 11-20-85 02 4 04 3 120VAC l N FL CLD FULL CLD
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| * XlVMOOlD 1Sl2-0ll 1-VMS-YE-lOOA PRESSURIZER SV 1551A (NL) 06-28-90 03 2 01 0 24 VDC 0 FULL CLD NFL CLD -XlVM002D 1Sl2-012 l-VMS-YE-1008 PRESSURIZER SV 15518 INL> 06-28-90 03 2 01 l 24 VDC 0 FULL CLD NFL CLD -XlVM003D 1Sl2-013 1-VMS-YE-lOOC PRESSURIZER SV 1551C INLJ 06-28-90 03 2 01 2 24 VDC 0 FULL .CLD NFL CLD -~:vsoolD 1Sl5-231 l-VS-AOD-105A CNTMT AIR CPRSR CUB EXH A (NL) 04-08-86 03 4 23 0 24 VDC 0 NFL CLD FULL CLD S1VS002D 1Sl5-233 l-VS-AOD-1058 CNTMT AIR CPRSR CUB EXH B (NL) 04-08-86 03 4 23 2 24 VDC 0 NFL CLD FULL CLD -SlVS008D 1S28-054 l-VS-AOD-106 SFGD l UNFLTR EXH ADD IORJ 00-00 03 7 05 3 125VDC 0 FULL OPN N FL OPN -SIVS009D 1S28-052 1-VS-MOD-lOOA SFGD 1 FLTR EXH MOD A (ORJ 00-00 03 7 05 l 125VDC 0 FULL CLD NFL CLD -SIVSOIOD 1S28-042 l-VS-MOD-1008 SFGD l FLTR EXH MOD B (OR) 00-00 03 7 04 l 125VDC 0 FULL CLD NFL CLO
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| * SlVS005D 1Sl5-221 1-VS-MOV-lOlA CHGRG PMP CUB EXH DMPR A INLJ 00-00 03 4 22 0 24 VDC 0 CLOSED OPEN
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| * SlVS006D 1Sl5-222 l-VS-MOV-1018 CHGRG PMP CUB EXH DMPR B INLJ 00-00 03 4 22 l 24 voe 0 CLOSED OPEN
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| * SIVS007D 1Sl5-223 1-vs~MOV-lOlC CHGRG PMP CUB EXH DMPR C IORJ 00-00 03 4 22 2 24 voe 0 CLOSED OPEN ~--x1sI003D 1S07-021 l-14H3 LHSI PUMP lA SHITCH IORJ 10-29-85 02 l 02 0 24 VDC 0 NOT PTL P TO L
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| * XlRS003D 1S07-022 l-14H4 INSIDE RS PUMP lA SHITCH (OR) 10-29-85 02 l 02 l 24 VDC 0 NOT PTL P TO L .. XlCS003D 1S07-023 l-14H5 CNTMT SPY PUMP lA.SHITCH IORJ 10-29-85 02 1 02 2 24 VDC 0 NOT PTL P TO L
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| * XlRS008D 1S07-024 l-14H7 OUTSIDE RS PUMP 2A SHITCH (OR) 10-29-85 02 1 02 3 24 VDC 0 NOT PTL P TO L --x1SI004D . 1S08-021 l-14J3 LHSI PUMP 18 SHITCH (Pl) 10-29-85 02 3 02 0 24 VDC 0 NOT PTL P TO L ? ** * * *
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| * * *
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| * v 3.22 AUXILIARY VENTILATION EXHAUST FILTER TRAINS Aoo ncabi !ity TS 3.22G1 03-02-92 Applies to the ability of the safety-related system to remove particulate matter and ga*seous iodine following a LOCA or a refueling accident.
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| Obiective To specify requirements to ensure the proper function of the system. $Decification A Whenever either unit's Reactor Coolant System temperature and pressure is greater than 350°F and 450 psig, respectively, two auxiliary ventilation exhaust filter trains shall be operable with: 1. Two filter exhaust fans; 2. Two HEPA filter and charcoal adsorber assemblies.
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| B. With one train of the exhaust filter system inoperable for any reason, return the inoperable train to an operable status within 7 days or be in at least Hot Shutdown within the next 6 hours and in Cold Shutdown within the following 48 hours. Amendment Nos. 167 and 166
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| . *:_-.* \. -;. .. TS 3.22-2 1-17-84 The purpose of the filter trains located in the auxiliary building is to
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| * provide standby capability for removal of particulate and iodine contam-inants from the exhaust air of the charging pump cubicles of the iary building, fuel.building, decontamination building,.safeguards ing adjacent to the containments, and the reactor containment (during shutdown) which discharge through the ventilation vent and could require filtering prior to release. During normal plant operation, the exhaust fro_m any one .of these areas can be diverted, if required, through the auxiliary building filter trains remotely from the c*ontrol room. The safeguards building exhaust and the charging pump cubicle exhaust are automatically diverted through th~ filter trains in ~he event of a LOCA (diverted on safety injection system signal). The fuel building:exhaust and purge exhaust are aligned to continously pass through the filters during spent fuel handling.
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| High efficiency particulate absolute (HEPA) filters are installed before the charcoal adscrbers to prevent clogging of the iodine adsorbers.
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| The charcoal ads,orbers are installed to reduce the potential release of radioiodine to the environment.
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| Amendment No. 92 and Amendment No, 91}}
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