ML20065P730

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Forwards List of Untraceable molded-case Circuit Breakers Replaced Before Restart from Cycle 4 Refueling Outage in Response to NRC Bulletin 88-010, Nonconforming Molded-Case Circuit Breakers
ML20065P730
Person / Time
Site: Sequoyah Tennessee Valley Authority icon.png
Issue date: 12/11/1990
From: Wallace E
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
IEB-88-010, IEB-88-10, NUDOCS 9012140031
Download: ML20065P730 (10)
v • d • e


Text

..

TENNESSEE VALLEY AUTHORITY CH ATTANOOG A. TENNETSEE 374ol 5B Lookout Place DEC 111990 U.S. Nuclear Regulatory Commission ATTN Document Control Desk Washington, D.C.

20555 Gentlemen In the Matter of

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Docket No. 50-328 Tennessee Valley Authority

)

SEQUOYAH NUCLEAR PLANT (SON) - NRC BULLETIN 88-10, NONCONFORMING MOLDED-CASE CIRCUIT BREAKERS In response to Reporting Requirement 2 of the subject bulletin, the onclosure of this submittal provides a list of the molded-case circuit breakers replaced for Unit 2 before restart from the Unit 2 Cycle 4 refueling outage.

As allowed by Action 5 of the bulletin, TVA has opted to replace untraceable breakers in lieu of testing, in accordance with Attachment 1 to NRC Bulletin 88-10.

The replacement breakers meet the criteria of Action 7 of the bulletin and fulfill the requirement to replace one-half of the untraceable circuit breakers before start-up from the first refueling outage beginning after March 1, 1989.

No commitments are contained in this submittal.

Please direct questions concerning this issue to Keith C. Weller at (615) 843-7527.

Very truly yours, TENNESSEE VALLEY AUTHORITY E. G. Wallace, Manager Nuclear Licensing and Regulatory Affairs Enclosure ces See page 2 1

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An Equal Opportunity Employer g

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U.S. Nuclear Regulatory Commission

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Ms. S. C. Black, Deputy Director Project Directorate II-4 i

U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 Mr. J. H. Donohov, Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy Daisy, Tennessee 37379 Mr. B.

A. Wilson, Project Chief U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 1

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ENCLOSURE UNTRACEABLE MOLDED-CASE CIRCUIT BREAKERS-REPLACED BEFORE RESTART FROM THE UNIT 2 CYCLE 4 REFUELING OUTAGE t

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Page Co..

1 12/03/90 SEQUOYAR NUCLEAR PLANT-NRCB 88-10 REPLACED MOLDED-CASE CIRCUIT BREAKERS ENCLOSURE BER PKG RAT-No.

BOARD AND CmPARTMENT AFFECTED END DEVICE MANtfFACTURER MTR PART NO.

ING 1.30 120VAC VITAL INSTRUMENT POWER PROCESS CONTROL. GROUP 3 ftEINEMANN Cf2-Z51-1

  • 15 BOARD 2-!!!, BKR 37 7.10 480V DSL AUX BOARD 2A2-A, DSL GEN 2A-A ROOM EXFAUST -

GENERAL ELECTRit.

TED 136050

  • 50 CCMPT 6D FAN 2-A 16.40 480V C&A VENT BOARD 2B2-8 FIFTN V1TAL BATTERY ROOM DUCT GENERAL ELECTRIC TMED 136050WL
  • 50 COMPT BE1 NEATER B 26.31 480V C&A VENT BOARD 231-B 430V BD RM 28 A/C CONDENSER GENERAL ELECTRIC TED 136n40Wt
  • 20 COMPT 6A SUPPLY VLV Z-FCV-067-066 31.60 480V DSL AUX DOARD 282-9 EMERGENCY DIESEL ENGINE HTX GENERAL ELECTRIC TED 136020ul
  • 50 COMPT 11C 2-TCV-063-0073 33.05 480V REACTOR Mov BOARD 231-B SIS ACCUM TANK 2 FLOW ISOL GENERAL ELECTRIC TED 136050WL
  • 50 COMPT 2C PUMP 2A 33.19 480V REACTOR VENT BOARD 24-A ICE CONDENSER FLOOR COOLING GENERAL ELECTRIC.

TED 136050WL

  • So COMPT 4C PUMP 2A

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2 12/03/90' SEQUOYAM NUCLEAR PtAI.T

. NRCB 88-10 REPLACED MOLDED-CASE C:ROJ1T BREAKERS ENCLOSURE BER RAT FTG NO.

BOARD AND COMPARTMENT AFFECTED END DLVICE MANUFACTURER MTR PART NO.

ING 33.20 480V REACTOR VENT BOAPD 28-B ICE CONDENSER FLOOR COOLING GENERAL ELECTRIC TED 136050WL

  • 50

. COMPT 4C PUMP 28 33.24 t-80V CT.A VENT BOARD 2B1-B PRIMARY WATER PAKEL* TtJMP 2B GENERAL ELECTRIC TED 136050WL *

' 50 COMPT 8A

's 35.01 480V ERCW MCC 2A-A 480V POWER RECEPTACLES WESTINGHOUSE FB 3100

  • 15 COMPT 3A 2-FCV-062-063 61.03 480V REACTOR MOV BOARD 2A1-A SEAL FLOW ISOLATION VALVE CELT 8'AL ELECTRIC THED 136015WL
  • 15 COMPT 38 2-FCV-062-090 61.05 480V REACTOR MOV BOARD 2Al-A

. VOLUME CONTROL TANK OUTLET GENERAL ELECTRIC TMED 136015WL

  • 15 COMPT 3E ISOLATION VALVE 2-FCV-062-132 61.07 480V REACTOR MOV BOARD 2A1-A REFUELING WATER STORAGE TANK.

GENERAL ELECTRIC THED 136015ut

  • 15 CQiPT 4A

' VALVE 2-TCV-062-135 61.09 480V REACT 02 MOV BOARD 2Al-A CONTAINMENT SPRAY PUMP 2A-A GENERAL ELECTRIC THED 136015WL

  • 15 L

COMPT 59 FLOW CONTROL VLV 2-FCV-072-034 61.11 480V EEACTOR MOV BOARD 2A1-A CONTAINMENT SPRAY HEADER 2A GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 12E VALVE 2-FCV-063-037 64.02 480V REACTOR MOV BOARD 2A2-A ERCM FEADER 2A ISOLATION GENERAL ELECTRIC THED 136015ut
  • 15 COMPT 2C VALVE 2-FCV-003-116A 64.06 480V REACTOR MOV BOARD 2A2-A ERCU READER 2A ISOLATION GENrRAI. ELECTRIC THED 136015WL
  • 15 COMPT 3B VALVE 2-FCV-003-1369

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Page No.

~3 12/03/90 SEQUOTAH NUCLEAR PLANT NRCB 83-10 REPLACED MOLDED-CASE CIRCUIT BREAKERS ENCLOSURE BER PKG RAT NO.

80ARD AND COMPARTMENT-ATFECTED END DEVICE MAWFACTURER MFR PART NO.

ING 64.10 480V REACTOR MOV BOARD 2A2-A

-LOWER CONTAINMENT 2A CLR ENERAL ELECTRIC THED 136015WL

  • 15 COMPT 4A-SUPPLY ISLN Vtv 2-(CV-067-083 64.12

'480V REACTOR MOV BOARD 2A2-A LOWER CONTAINMENT 2A CLR ENERAL ELECTRIC THED 136015WL *

- 15 COMPT 48 DISCHARGE ISLN VLV 2-FCV-067-087 64.14 480V REACTOR MOV BOARD 2A2-A LOWER CONTAINMENT 2C CLR GENERAL ELECTRIC TRED 136015WL

  • 15 COMPT SA DISCHARGE ISLN VLV 2-FCV 067-075 64.24 480V REACTOR MOV BOARD 2A2-A LOWER CONTA183ENT 2B CLR s FERAL ELECTR1r THED 136015WL
  • 15 t

COMPT 5B DISCHARGE ISLN VLV 2-FCV-CC7-104 64.26 480V REACTOR MOV BOARD 2A2-A LOWER CONTAINMENT 2D CLR GENERAL ELECTRIC THED 136015WL

  • 15 COMPT SC DISCMARGE

-ISLN VLV 2-FCV-067-112 64.30 480V REACTOR MOV BOARD 2A2-A UPPER CONTAINMENT VENT CLR 2A GENERAL ELECTRIC TRED 136015WL

  • 15 COMPT 7B' SUPPLY ISLN VLV 2-FCV-067-130 64.34

.480V REACTOR MOV BOARD 2A2-A UPPER CONTAINMENT VENT CLR 2C GENERAL ELECTRIC THED 136015WL

  • 15 C0MPT 7C SUPPLY ISLN VLV 2-FCV-067-133 64.38 480V REACTOR MOV BOARD 2A2-A UPPER CONTAINMENT VENT CLR 2B GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 7E

- DISCHARGE IStN VLV 2-TCV-067-139 64.40 480V REACTOR Mov BOARD 2A2-A UPPER C01TAINMENT VENT CtR 2D GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 8A DISCHARGE ISLN Vtv 2-FCV-067-142 64.52 480V REACTOR MOV BOARD 2A2-A UPPER CONTA!hW NT VENT CLR 2A GENERAL ELECTRIC Ti8ED 136015WL
  • 15 COMPT 10A DISCHARGE ISLN v6V 2-FCV-067-275 64.56 480V REACTOR Mov BOARD 2A2-A UPPER CONTAINMENT VENT CLR 2C GENERAL ELECTRIC THEC 136015WL
  • 15 COMPT 10B DISCHARGE ISLN VLV 2-FCV-067-296

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4 12/03/90 SEQUDYAH NUCLEAR PLANT NRCB 88-10 REPLACED MOLDED-CASE CIRCUIT BREAKERS EhCLOSURE BKR PKG RAT NO.

BOARD AND COMPARTMENT AFFECTED END DEVICE MANUFACTURER MFR PART NO.

ING 64.62 480V REACTOR MOV BOARD 2A2-A RCP SPRAY ISOLATION VALVE GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 14C CONTAINMENT ISLN VLV 2-FCV-070-090 64.78 480V REACTOR HOV BOARD 2A2-A RCP THERMAL BARRIER RETU$tN GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 14E1 CONTAINMINT ISLN VLV 7

2-FCV-070-090 64.82 480V REACTOR MOV BOARD'2A2-A RCP OIL CLR RETURN CONTAINMENT GENERAL ELECTRIC'-

THED 136015WL

  • 15 COMoi 15A ISLN VLV 2-FCV-070-092

'64.84 480V REACTOR MOV BOARD 2A2-A CONTAlkMENT STANDPIPE GENERAL ELECTRIC THED 136015E

  • 15 COMPT 19E VALVE 2-FCV-026-245 67.11 480V REACTOR MOV BOARD 281-B SEAL' FLOW ISOLATION GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 7C VALVE 2-FCV-062-061 67.15 480V REACTOR MOV BOARD 281-B CNARGING FLOW ISOLATION GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 7E VALVE 2-FCV-062-091 67.19 480V REACTOR MOV BOARD 281-B VOLUME CONTROL YANK OUTLET GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 88 ISOLATION VLV 2-FCV-062-133 67.23 480V REACTOR MOV BOARD 281-B VOLUME CONTROL TANK OUTLET GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 8C ISOLATION VLV 2*TCV-062-136 67.27 480V REACTOR MOV BOARD 281-B

' SIS BIT SHUTOFF VALVE GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 10B 2-FCV-063-025

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Page No.

5 12/03/90 SEQUOYAH NUCLEAR PLANT NRCS 88-10 REPLACED MOLDED-CASE CIRCU1T BREAKERS ENCLOSURE BKR RAT PKG WO.

BOARD AMD COMPARTMENT AFFECTED END CEVICE MAktlFACTURER MTR PART NO.

ING 67.35 480V REACTOR MOV BOA 89 281-B CONTAINMENT SPRAY NEADER 2B GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 13A ISOLATION VLV 2-FCV-072-002 67.39 480V REACTOR MOV BOARD 291-B CONTAINMENT SPRAY PUMP 28 GENERAL ELECIRIC THED 136015WL
  • 15 COMPT 138 RECIRC FLOW VLV 2-FCV-072-013 l

67.47 430V REACTOR MOV BOARD 281-8 RHR PLMP 28-8 MINI FLOW GENERAL ELECTRIC THED 136015WL

  • 15 l

COMPT If.E VALVE 2-FCV-074-024 68.00 480V REACTOR MOV BOARD 282-8 ERCW HEADER 28 ISOLATION GENERAL ELECTRIC THED 136015E

  • 15 COMPT 2E VALVE 2-FCV-026-241 68.10 480V REACTOR MOV BOARD 2B2-8 LOWER CONTAINMENT 2A CLR GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 4A DISCHARE ISLN YLV 2-FCV-067-088 68.12 480V REACTOR MOV BOAliD 282-8 LOWER CONTAINMENT 2B CLR GENERAL ELECTRIC THED 136015a
  • 15 CEMPT 4B DlSCHARGE ISLN VLV 2-FCV-067-096 68.14 480V REACTOR MOV BOARD 282-B LOWER CONTAINMENT 2B CLR GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 4C SUPPLY ISLN VLv 2-FCV-067-099 68.16 480V REACTOR MOV BOARD 282-9 ANNULUS SPRINKLER ISOLATION GENERAL ELECTRIC THED 136015WL
  • 15 CCMPT 4E VALVE 2-FCV-026-244 68.22 480V REACT"". MOV BOARD 2B2-B LOWER CONTAlkMENT 2B CLR GENERAL ELECTRIC THED 136015WL
  • 15 COMPT SA DISCHARGE ISLN VLV 2-FCV-067-103 68.26 480V REACT 0d MOV BOARD 282-8 LOWER CONTAINMENT 2D CLR GENERAL ELECTRIC THED 136015WL
  • 15 COMPT SC DISCHARGE ISLN VLV 2-FCV-067-111 68.32 480V REACIOR MOV BOARD 282-8 LOWER CONTAINMENT 2A CLR CENERAL ELECTRIC THED 136015WL
  • 15 l

COMPT 7A D!SCHARGE ISLN VLV 2-FCV-067-131

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Page Co.

6 12/03/90 SE0JOTAH NUCLEAR PLANT.

NRCB 88-10 REPLACED MOLDED-CASE CIRCUIT BREAKERS ENCLOStRE BKR PKG RAT NO.

BOARD AND COMPARTMENT AFFECTED END DEVICE MANUFACTURER MTR PART NO.

ING 68.36 480V REACTOR MOV BOARD 282-B UPPER CONTAINMENT CLR 2C GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 78 DISCHARGE ISLN VLV 2-FCV-067-134 68.38 480V REACTOR MOV BOARD 292-B UPPER CONTAINMENT CLR 2B GENERAL ELECTRIC THED 136015WL
  • 15 CD4PT 7C SUPPLY ISLN VLV 2-FCV-067-138 68.42 480V REACTOR MOV BOARD 292-8 UPPEP CONTAINMENT VENT CLR 2D GENERAL ELECTRIC THED 136015WL
  • 15 COMPT BB' SUPN'r ISLN VLV 2-FCV-067-141 68.48-480V REACTOR MOV BOARD 2B2-B COW WENT CLR NTX C DISCHARGE GENERAL ELL 6TRIC THED 136015WL
  • 15 COMPT BD VLY.9 HDR B 0-FCV-067-141 68.52 480V REACTOR MOV BOARD 2B2-8 UPPER CONTAINMENT VENT CLR 2B GENERAL ELEETRIC THED 136015VL
  • 15 COMPT 11E 2-FCV-003-1MA 68.70 480V REACTOR MOV BOARD 282-9 RCP THERMAL BARRIER RETURN GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 14C CONTAINMENT ISLN VLV.

2-FCV-070-087 6f *:

480V REACTOR MOV BOARD 282-8 RCP OIL COOLER RETURN GENEb ( ELECTRIC THED 136015WL

  • 15 COMPT 15A CONTROL ISLN VLV 2-FCV-070-089 68.86 480V REACTOR MOV BOARD 282-8 RCP THERNAL BARRIER GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 158 CONTAINMENT ISLN VLV 2 *CV-070-134 68.88 480V REACTOR MOV BOAPD 282-B RCP O!L CLR SUPPLY I4DR GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 15C
CONTAINMENT ISLN VLV 2-fCV-070-140 68.90 480V REACTOR MOV BOARD 282-B RCP THERMAL BARRIER RETURN GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 16A1

. CONTAINMENT ISLN VLV 2-FCV-070-087

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