ML19332D726

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Provides Rev to Util 890411 Response to NRC Bulletin 88-010, Nonconforming Molded-Case Circuit Breakers. Mfg Part Numbers for Packages 1.40 & 25.20-26.11 Revised to Provide More Complete & Correct Info
ML19332D726
Person / Time
Site: Sequoyah  
Issue date: 11/28/1989
From: Michael Ray
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
IEB-88-010, IEB-88-10, NUDOCS 8912050165
Download: ML19332D726 (22)
v • d • e


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I U.S.'Nuclea6 Regulatory Commission:

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-1 Gentiemen:

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-Docket Nos 50-327

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50-328

,;SEQUOYAH NUCLEAR' PLANT (SQN) - NRC' BULLETIN'88-10, NONCONFORMING MOLDED-CASE

~ CIRCUIT l BREAKERS:

L

References:

.1.

TVA11etter to NRC dated April'11, 1989, "TVA's Response to Bulletin 88-10: -Nonconforming Molded-Case Circuit Breakers" t.

2.

TVA: letter to.NRC dated July 17, 1989,~"Sequoyah Nuclear Plant

. SQN) - NRC' Bulletin;88-10,. Nonconforming Molded-Case

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Circuit Breakers"

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.s Th'Issletter pro 0idesfa? revision tk Enclosure'1Lof Reference 15for SQN Units 1-W

and '2'.

Earlier. corrections for-SQN werezprovided by Reference 2.

For your ~

convenience,La. corrected copy of. Attachment-2;to Enclosure 1 is;provided with 4
revision bars in theLmargin.

m LThe' manufacturer part numbers for-Packages 1.40 and 25.20.through 26.11 have been. revised to' provide more complete and correct information.

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Packages 5.10, 9.10,-11.20, 25.10, 26.20, 26.21, and 26.45-have been deleted "y

,from the.. listing in, Attachment 2 to Enclosure 1.

The circuit breakers in

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LPackages 5.10 and'11.20 were replaced and are no longer suspect breakers.

Tne circuit breaker in Package 9.10 was'not purchased between August 1, 1983, and August-1,.1988,:and is,x therefore,'not' subject to the requirements of NRC

.Bulletin 88-10'..Because of more recent'~ replacements, Packages 25.10, 26.20, 126.21, rand 26 45.have been superseded by Packages 80.32, 55.29, 67.39, 1

and 40.'60, respectively.

Y 1 Packages 12.10'and 35.01 have been added to the listing.

These two essential raw cooling water breakers supply non-Class-1E loads from Class 1E panels, They-were. Identified in SQN's original search for Bulletin 88-10 and were m

. misclassified as no'n-Class-1E breakers. A review of other breakers for non-Class-1E loads that are installed in Cless 1E panels has not identified anyTacdition&l misclassified breakers.

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. Package 134.10.has'been added to the listing.

This circuit breaker was inadvertently replaced with a suspect breaker in June 1989.

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An Equal opportur'ty Em>' ver 7

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Packages 50.01 through 68.98 have been added to the listing.

The breakers in s,

these packages were all installed by Engineering Change Notice (ECN) L6883.

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.It'has been determined that the oversight of three of the ECN L6883 workplans was due to a previous memorandum issued concerning the traceability of the one b

_ECN L6883 workplan addressed in Reference 1.

It was incorrectly assumed that

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all ECN L6883 workplans.had been reviewed and untraceable breaker; were only

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identified on-the one workplan.

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'In accordance with the requirements of Bulletin 88-10, each of the packages noted above as being additions to the listing have a justification for continued operation in place.

Packages 80.01 through 80.42 have been added to the listing.

These breakers were procured for installation in the plant as direct-charge maintenance breakers % Direct-charge material is material that has been preidentified and t-

, procured for a' specific-job, as opposed to stock material.) As'a result of l-identifying packages 80.01 through 80.42, an evaluation of TVA's original

review for Bulletin 88-10 was performed.

It has beeri determined that all

direct-charge molded-case circuit breakers were not identified initially.

TVA has developed an action plan to identify untraceabla direct-charge breakers.

The installetion location of-any additional untraceable breakers will be determined by December 31, 1989.

In accordance with the bulletin requirements, all of these additional breakers will either be replaced or have a justification for continued operation in place by January 30, 1990.

As a result of the-large number of-additional breakers to be replaced, TVA is clarifying-Commitment 4 for SQN as it was. stated in Enclosure 4 of Reference 1...

The, breakers will be replaced in accordance with the schedule in Bulletin 88-10.

However, since the number is now greater than 75 per unit, one-half of the breakers for each unit will be replaced before startup after the Cycle 4. refueling outages and_one-half will be replaced before startup s

after the Cycle 5 refueling outages.

A summary statement of the commitments contained in this submittal is provided in Enclosure 2.

Please direct questions concerning this issue to K..S. Whitaker at (615) 843-7748.

Very truly yours, TENNESSEE VALLEY AUTHORITY 1

U up Manager,NucierLicensing

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and Regulatory Affairs Enclosures cc: See page 3 o,

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Ms. S. C. Black, Assistant Director for_ Projects TVALProjects' Division U.S. Nuclear Regulatory Commission One White Flint,' North 11S55 Rockville Pike t

Rockville, Maryland 20852-i Mr. B. A. Wils'on, Assistant Director for Inspection Programs TVA Projects Division

' U.S._ Nuclear Regulatory Commission

Region-II 101 Marietta Street, NW, Suite 2900

' Atlanta, Georgia :30323 NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road-Soddy Daisy, Tennessee 37379 4

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1*/14/89 SEQUOYAH NUCLEAR PLANT NRCB 88-10 SUSPECT MOLDED-CASE CIRCUIT BREAKERS REVIsl04 2 -6810REV3.DBF ~

'ENCLO5URE 1 SKR PKG

-RAT NO.

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.iSEQUOYAH NUCLEAR PLANT-NRCB 88-10 SUSPECT MOLDED-CASE CIRCUIT BREAKERS.

REVISION 2 - 8810REV3.DBF ENCLOSURE 1.

ggg PKG RAT NO.

BOARD AND COMPARTMENT AFFECTED END DEVICE.

. MANUFACTURER MFR PART No.

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40 tt*8PT 4C FAN 1A-A 26.43 480V REACTOR VENT BOARD 1A-A WASTE GAS COMPRESSOR PACKAGE A GENERAL ELECTRIC TED 136050WL

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11/14/89 SEQUDYAH NUCLEAR PLANT NRCS 88-10 SUSPECT MOLDED-CASE CIRCUIT BREAKERS REVISION 2 - 8810REV3.DBF ENCLOSURE 1 gga..

PrG RAT :

NO.

BOARD AND COMPARTMENT AFFECTED END DEVICE PANUFACTURER MFR PART NO.

ING' 33.15 480V REACTOR MOV BOARD 181-B CONT'.INMENT SUMP FLOW ISOL GENERAL ELECTRIC TED 136050WL

  • COMPT 11C VALVE 1-FCV-063-0073 33.16 480V C&A VENT BOARD 181-B CONTROL BLDG PRESSURE FAN B-B

. GENERAL ELECTRIC

'TED 136050WL

  • 50 COMPT 13D2 33.17 480V REACTOR VENT BOARD 1A-A ICE CONDENSER FLOOR COOLING ~

GENERAL ELECTRIC TED 136050WL *

$1-COMPT 4C PUMP 1A 33.18 480V REACTOR VENT' BOARD 18-8 ICE CONDENSER FLOOR COOLING GENERAL ELECTRIC TED 136050WL

  • 50 COMPT 4C PUMP 1B 33.19 480V REACTOR VENT BOARD 2A-A ICE CONDENSER FLOOR COOLING GENERAL ELECTRIC-TED 136050WL
  • 50 COMPT 4C PUMP 2A 33.20 480V REACTOR VENT BOARD 2d-B ICE CONDENSES.. m coot W:

GENERAL ELECTRIC TED 136050WL

  • 50 COMPT 4C PUMP 2B 33.21 480V C&A VENT BOARD 1Al-A PRIMARY WATER MAKEUP PUMP 1A GENERAL ELECTRIC TED 136050WL
  • 50 COMPT 8A 33.22 480V C&A VENT BOARD 1A2-A HOT INSTR SHOP A/C

' GENERAL ELECTRIC TED 136050WL

  • 50 COMPT 98 33.23 480V C&A VENT BOARD iB1-B PRIMARY WATER MAKEUP PUMP 18 GENERAL ELECTRIC TED 136050WL

-50 COMPT 8A 33.25 480V C&A VENT BOARD 1B1-B SPARE BKR GENERAL ELECTRIC TED 136050vt

  • 50 COMPT 3D 33.26 480V REACTOR VENT BOARD 18-B SPARE BKR GENERAL ELECTRIC TED 136050WL
  • 50 COMPT SC 34.10 480V REACTOR VENT BOARD 2A-A AUXILIARY AND CONTROL BLDG GENERAL ELECTRIC THED 136100WL
  • 100 COMPT 11E2 480V RECEPTACLES l

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

  • 100 COMPT 4DL i

40.10 480V REACTOR VENT BOARD 2A-A CONTAINMENT PURGE EXMAUST FAN GENERAL ELECTRIC THED 136100WL

  • 100 COMPT 3D 2A i

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11/14/89 SEQUOYAH NUCLEAR PLANTt NRCB 88-10 SUSPECT MOLDED-CASE CIRCUIT BREAKERS REVISION 2 '8810REv3.DBF -

ENCLOSURE 1 4

BKR PKG

~ RAT NO.

BOARD AND COMPARTMENT AFFECTED END DEVICE MANUFACTURER-MFR PART NO.

. ING

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40.20 480V REACTOR VENT BOARD 28-B CONTAINMENT PURGE EXHAUST FAN GENERAL ELECTRIC TSED 136100E *-

100 COMPT 2A 2B 40.30 480V REACTOR VENT BOARD 1A-A CONTAINMENT PURGE EXHAUST FAN

. GENERAL ELECTRIC THED 136100E

  • 100 COMPT 3D 1A 40.40 480V REACTOR VCNT BOARD 18-B CONTAINMENT PURGE EXHAUST FAN GENERAL ELECTRIC THED 136100E
  • 100 COMPT 2A 18 40.50 480V REACTOR VENT BOARD 2A-A CONTAINMENT PURGE SUPPLY FAN GENERAL ELECTRIC THED 136050E
  • 50 COMPT 9C 2A 40.60 480V REACTOR VENT BOARD 28-B CONTAINMENT PURGE AIR SUPPLY GENERAL ELECTRIC THED 136050WL
  • 50 '

COMPT 7C

!AN 2B 40.70 480V REACTOR VENT BOARD 1A-A

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  • 50.

COMPT 9C 1A 40.80 480V REACTOR VENT BOARD 18-B CONTAINMENT PURGE SUPPLY FAN GENERAL ELECTRIC THED 136050E

  • 15 COMPT 3B 1-FCV-062-090 50.05 480V REACTOR MOV BOARD 1Al-A VOLUME CONTROL TANK ISOLATION GENERAL ELECTRIC THE9 136015WL

THED 136015WL

  • 15 COMPT SC ISOLATION VALVE 1-FCV-072-039' 50.13 480V REACTOR MOV BOARD 1Al-A RHR PUMP 1A-A MINI FLOW CENERAL ELECTRIC-THED 136015WL
  • 15 COMPT 12A 1-FCV-U63-026 9

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11/14/89 SEQUOYAH NUCLEAR PLANT NRCS 88-10 SUSPECT MOLDED-CASE CIRCUIT BREAttERS REVISION 2 -'8810REV3.DSF ENCLOSURE 1 BER,

PKG RAT-NO.

BOARD AND COMPARTMENT AFFECTED END DEVICE-MANUFACTURER MFR PART NO.

ING 50.17 480V REACTOR MOV BOARD 1Al-A SIS SIT INLET SHUTOFF VALVE GENERAL ELECTRIC THED 136015WL

  • 40 COMPT 13A ISOLATION.

VALVE 1-FCV-063-072 52.00 480V REACTOR MOV BOARD 1A2-A ERCW HEADER 1A ISOLATION GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 28

-VALVE 1-FCV-003-1168 52.02 480V REACTOR MOV BOARD 1A2-A ERCW HEADER 1A ISOLATION GENERAL ELECTRIC THED 136015WL *

'15 COMPT 2C VALVE 1-FCV-003-116A 52.04 480V REACTOR MOV BOARD 1A2-A ERCW HEADER 1A ISOLATICW

-GENERAL ELECTRIC-THED 136015WL

  • 15 COMPT 3B VALVE 1-FCV-003-1368 52.08 480V REACTOR MOV BOARD 1A2-A LOWER CONTAINMENT 1A COOLER GENERAL ELEL?RIC THED C6015WL
  • 15 COMPT 4A SUPPLY ISLN VLV 1-FCV-067-083 52.10 480V REACTOR MOV BOARD 1A2-A LOWER CONTAINMENT 1A COOLER GEKERAL ELECTRIC THED 136015WL
  • 15 COMPT 4B DISCHARGE ISLN VLV 1-FCV-067-087 52.12 480V REACTOR MOV BOARD 1A2-A LOWER CONTAINMENT 1C COOLER GENERAL ELECTIRC THED 136015WL
  • 15 COMP 1 4C SUPPLY ISLN VLV 1-FCV-067-091 52.14 4POV REACTOR MOV BOARD 1A2-A LOWER CONTAINMENT 1C COOLER GENERAL ELECTRIC THED 136015WL
  • 15 ~

COMPT 5A DISCHARGE ISLN VLV 1-FCV-067-095 52.16 480V REACTOR MOV BOARD 1A2-A L'JWER CONTAINMENT 18 COOLER GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 5B DISCHARrA ISLN VLV 1-FCV-067-104 52.18 480V REACTOR MOV BOARD 1A2-A LOWER CONTAINMEMT 1D CLR GENERAL ELECTRIC' THED 136015WL
  • 15 COMPT SC DISCHARGE ISLN VLV 1-FCV-067-112 52.20 480V REACTOR MOV BOARD 1A2-A UPPER CONTAINMENT VENT CLR 1A GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 7B SUPPLY ISLN VLV 1-FCV-067-130 52.22 480V REACTOR MOV BOARD 1A2-A UPPER CONTAINMENT VENT CLR 1C GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 7C SUPPLY ISLN VLV 1-FCV-067-133 g

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'T' l

11/14/89

~ -

SEQUDYAN NUCLEAR PLANT NRCB 88-10 SUSTICT MOLDED-CASE CIRCUIT BREAKERS e

REVISION 2 - 8810REV3.DBF ENCLOSURE 1 SKR.

-PKG

. AFFECTED END DEVICE.

MANUFACTURER..

MFR PART NO.

ING RAT NO.

BOARD AND COMPARTMENT 52.24 480V REACTOR MOV BOARD 1A2-A UPPER CONTAINMENT CLR'18 GENERAL ELECTRIC ~

THED 136015WL'*

15 COMPT 7E DISCHARGE ISLN VLV 1-FCV-G67-139 52.26 480V REACTOR MOV BOARD 1A2-A UPPER CONTAINMENT VENT CLR 1D GENERAL ELECTRIC' THED 136015WL

  • 15 COMPT 8A DISCHARGE ISLN VLV 1-FCV-067-142 52.28 480V REACTOR MOV BOARD 1A2-A

- UPPER CONTAINMENT CLR 1A GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 10A DISCHARGE ISLN VLV 1-FCV-067-295 52.30 480V REACTOR MOV BOARD 1A2-A UPPER CONTAINMENT CLR 1C GENERAL ELECTRIC THED 136015WL
  • 15' COMPT 10B DISCHARGE ISLN VLV 1 -FCV-067-296 52.32 480V REACTOR M07 BOARD 1A2-A EXCESS LETDOWN NTX CONTAINMENT GENCRAL ELECTRIC THED 136315WL
  • 15 COMPT 14E1 CONTAINMENT ISLN VLV 1-FCV-070-090 4

52.38 480V REACTOR MOV BOARD 1A2-A RCP OIL COOLER RETURN GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 15A CONTAINMENT ISLN VLV 1-FCV-070-092 52.40 480V REACTOR MOV BOARD 1A2-A CONTAINMENT STANDPIPE ISt.N GENERAL ELECTRIC THED 136015WL
  • 90 CCMPT 16B VLV 1-FCV-003-033 l

52.44 480V REACTOR MOV BOARD 1A2-A StrAM GENERATOP FEEDWATER ISLN GENERAL ELECTRIC THED 136090WL

  • 90 -

COMPT 17C VLV 1-FCV-003-087 52.46 480V REACTOR MOV BOARD 1A2-A AWULUS STANDPIPE ISLN GENERAL ELECTRIC THED 136015WL

  • 15 l

COMPT 18C VALVE 1-FCV-026-242

~

l 52.48 480V REACTOR MOV BOARD 1A2-A RCP SPRAT ISOLATION VALVE GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 19B

'1-FCV-026-243 4

I l

?-

_'l Page No.

8 N1

-11/14/89 f,

~

SEQUOYAH NUCLEAR PLANT

~

NRCB 88-10 SUSPECT MOLDED-CASE CIRCUIT BREAKERS q

REVISION 2 - 8810REV3.DBF ENCLOSURE 1L PKG RAT'.

NO.

BOARD AND COMPARTMENT'

' AFFECTED END DEVICE MANUFACTURER MFR PART NO.

.ING-52.50 480V REACTOR MOV BOARD 1A2-A

~ ANNULUS STANDPIPE ISOLATION GENERAL ILECTRIC ~

THED 136015WL

  • 15 COMPT 19C VALVE 1-FCV-026-245 55.01 480V REACTOR MOV BOARD 181-S SEAL FLOW ISOLATION VALVE GENERAL ELECTRIC THED 136015WL
  • 15 -

COMPT 7C 1-FCV-062-061 55.05 480V REACTCM MOV BOARD 181-8 CHARGING FLOW ISOLATION VALVE GENERAL ELECTRIC

'THED 136015WL

  • 15 COMPT 7E 1-FCV-062-091 55.09 480V REACTOR MOV BOARD 181-B VOLUME CONTROL TANK OUTLET GENERAL ELECTRIC

.THED 135015WL

  • 13 COMPT 89 ISLN VLV 1-LCV-062-133 55.13 480V REACTOR MOV BOARD 1B1-B

' CHARGING PUMP FLOW RVST GENERAL ELECTRIC THED 136015WL

  • 15 '

COMPT 8C VALVE 1-LCV-062 136 55.17 480V REACTOR MOV BOARD 181-B SIS BIT SHUTOFF VALVE GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 109 1-FCV-063-025 55.21 480V REACTOR MOV 50ARD 181-B SIS BIT INLET SHUT 0FF GENERAL ELECTRIC THED 13601 NL *

- 15 COMPT 11A VALVE 1-FCV-063-040 55.25 480V REACTOR MOV BOARD 181-B CONTAINMENT SPRAY HEADER 1B GENERAL ELECTRIC-THED 136015WL

  • 15 COMPT 13A ISLN VLV 1-FCV-072-002 55.29 480V REACTOR MOV BOARD 181-B CONTAINMENT SPRAY PUMP 18 GENERt.L ELECTRIC THED 1360150L
  • 15 -

COMPT 2C VALVE 1-FCV-003-126A 58.08 480V REACTOR MOV BOARD 1B2-B ANNULUS STANDPIPE ISLN GENERAL ELECTRIC THED 136015WL

  • 15 COW T 2E VALVE 1-FCV-026-241 58.12 480V REACTOR MOV BOARD 182-8 LOWER CONTAINMENT 1A CLRS GENERAL ELECTRIC THED 136015WL *-

15 COMPT 4A DISCHARGE ISLN VLV 1-FCV-067-088 58.14 480V REACTOR MOV BOARD 182-8 LOWER CONTAINMENT 1C CLR GENERAL ELECTRIC

'THED 136015WL

  • 15 COMPI 46 DISCHARGE ISLN VLV 1-TCV-067-096.

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. 7 F

l

~

Ptge to.

9-11/16/89-

~

SEQUDYAN NUCLEAR PLANT-NRCB 88-10 SUSPECT MOLDED-CASE CIRCUlf BREAKERS REVISION 2 < 8810REV3.DBF-

-ENCLOSURE BKR

-PKG RAT NO.

BOARD AND COMPARTMENT AFFECTED EPD.0EVICE MANUFACTURER MFR PART No.'

ING.

58.16 480V REACTOR MOV BOARD 182-8 LOWER CONTAINMENT 18 CLR.

GENERAL ELECTRIC THED 136015FL

  • 15 COMPT 4C SUPPLY ISLN VLV 1-FCV-067-099 58.18 480V REACTOR MOV BOARD 182-8 ANNULUS SPRINKLtR ISLN'

. GENERAL ELECTRIC THED 136015a +

15 :

COMPT 4E VLV 1-FCV-026-244' 58.22 480V REACTOR MOV BOARD 1B2-8 LOWER CONTAINMENT 1B CLR :

GENERAL ELECTRIC THED 136015WL

  • 15 COMPT SA DISCHARGE ISLN VLV '

1-FCV-067-103 -

58.24 480V REACTOR MOV BOARD 1B2-8 LOWER CONTAINMENT 1D CLR-GENERAL ELECTRIC THED 136015WL'*

'15 COMPT SB SUPPLY ISLN VLV 1-FCV-067-107 u.;.

58.26 480V REACTOR MOV BOARD 182-B LOWER CONTAINMENT 10 CLR GENERAL ELECTRIC THED 136015WL *-

15-4 COMPT SC DISCHARGE ISLN VLV 1-FCV-067-111-58.32 480V REACTOR MOV BOARD 182-B UPPER CONTAINMENT VENT CLR 1A CENERAL ELECTRIC THED 136015WL

  • 15 COMPT 7A DISCHARGE ISLN VLV 1-FCV-067-131 58.36 480V REACTOR MOV BOARD 182-B UPPER CONTAINMENT VENT CLR 1C GENERAL ELECTRIC

- THED 136015WL

  • 15 COMPT 7B

. DISCHARGE ISLN VLV 1-FCV-067-134 58.38 480V REACTOR MOV C3ARD 182-8

-UPPER CONTAINMENT VENT CLR 18 GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 7C SUPPLY ISLN VLV 1-FCV-067-138 58.42 480V REACTOR MOV BOARD 182-8 UPPER CONTAINMENT VENT CLR 10

' GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 88 SUPPLY ISLN VLV 1-FCV-067-141 1-58.52 480V REACTOR MOV BOARD 182-8 UPPER CONTAINMENT VENT CLR 18 GENERAL ELECTRIC TPED 136015WL * '

1s {

COMPT 98 DISCHARGE !$LN VLV' 1-FCV-067-297 58.56 480V REACTOR MOV BOARD 182-B UPPER CONTAINMENT VENT CLR 1D GENERAL ELECTRIC THED 136015WL

  • 15 4

d COMPT 11B VALVE 1-FCV-003-179 58.62 480V REACTOR MOV BOARD 182-B ERCW HEADER 1B ISOLATION VALVE GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 11E 1-FCV-003-179A 4

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4.

Page No.

10. '

11/14/89-

^

SEQUOYAH NUCLEAR PLANT ~.

NRCB 88-10 SUSPECT MOLDED CASE CIRCUIT BREAKERS u~.s REVISION 2 - 8310RCV3.DBF.

ENCLOSURE 1 1

BER PKG RAT 4

No.

' BOARD AAD COMPARTMENT-AFFECTED END DEVICE MANUFACTURER MFR PART NO.

ING'

~-A-58.66 480V REACTOR MOV BOARD 182-8 RCP THERMAL BARRIER RETURN GENERAL ELECTRtc THED 136015WL * '

15 COMPT 14C CONTAINMENT ISLN VLV 1-FCV-070-087 58.70 480V REACTOR MOV BOARD 182-8 RCP OIL C00LEft RETURN GENERAL ELECTRIC.

TitED 136015WL

  • 15 COMPT 15A CONTAIMMENT

-ISLN VL*/ 1-FCV-070-089 58.72 480V REACTOR MOV BOARD 182-B RCP THERMAL BARRIER-GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 15C CCWTAINMENT ISLN VLV 1-FCV-070-140 58.76 480V REACTOR MDV BOARD 182-B RCP THERMAL BARRIER RETURN GENERAL ELECTRIC THED 136015WL
  • 15 '

COMPT 15E1 CONTAINMENT ISLN VLV 1-FCV-070-087 58.78 480V REACTOR MOV BOARD 182-8 RCP TWERMAL BARRIER GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 15E2 CONTAINMENT ISLN VLV 1-FCV-070-19.

58.82 480V REACTOR MOV BOARD 192-8 STEAM GENERATOR FEEDWATER ISLN GENERAL ELECTRIC THED 136090WL

  • 90 COMPT 17A VALVE 1-FCV-003-100 61.01 480V REACTOR MOV BOARD 2A1-A SEAL FLOW ISOLATION VitLVE GENERAL ELECTRIC THED 136015WL

THED 136015WL

  • 15 COMPT 3E ISCLATION VALVE 2-FCV-062-132 61.07 480V REACTOR MOV BOARD 2A1-A REFUELING WATER STORAGE TANtC GENERAL ELECTRIC THED 136015WL *

'15 COMPT 4A

- VALVE 2-FCV-062-135 61.09 480V REACTOR MOV BOARD 2A1-A CONTAINMENT SPRAY PUMP 2A-A GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 5B FLOW CONTROL VLV 2-FCV-072-034 T

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~ SEQUOTAN NUCLEAR PLANT

~

NRCB 88-10 SUSPECT MOLDED-CASE CIRCUlf BREAKERS REVISION 2'- 8810REV3.DBF-ENCLOSURE 1 BKR PKG

~

MANUFACTURER

, MFR PA97 NO.

'ING NO.

BOARD AND COMPARTMENi AFFECTED END DEVICE RAT 61.11 480V REACTOR MOV BOARD 2A1-A CONTAINMENT SPRAY HEADER 2A' GENERAL ELECTRIC THED 136015WL'*

15

' COMPT SC ISOLATI0h VLV 2-FCV-072-039 61.13 480V REACTOR MOV BOARD 2Al-A RHR PUMP 2A-A MINI FLOW GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 7C2'

. VALVE 2-FCV-074-012 61.15 480V REACTOR MOV BOARD 2Al-A--

SIS BIT SHUTOFF VALVE GENERAL ELECTRIC THED 136015WL.*

'15 COMPT 12A 2-FCV-063-026 61.17 480V REACTOR MOV 30ARD 2A1-A SIS BIT INLET SMUTOFF GENERAL ELECTRIC '

THED 136015WL

  • 15 COMPT 12E

' VALVE 2-FCV-063-039 64.02 480V REACTOR MOV BOARD 2A2-A ERCW HEADER 2A ISOLATION GENERAL ELECTRIC THED 136015WL

  • 15 -

COMPT 23 VALVE 2-FCV-003-1168 64.04 480V REACTOR MOV BOARD 2A2-A ERCW HEADER 2A ISOLATION GENERAL ELECTRIC THtD 136015WL

  • 15 '

COMPT 2C VALVE 2-FCV-003-116A 64.06 480V REAC10R MOV BOARD 2A2-A ERCW MEADER 2A ISOLATION GENERAL ELECTRIC THED 136015WL *

15 -

COMPT 2E

. VALVE 2-FCV-003-136A 64.08 480V REACTOR MOV BOARD 2A2-A ERCW HEADER 2A ISOLATION GENERAL ELECTRIC THED 136015WL *'

15 COMPT 3B VALVE 2-FCV-003-136B 64.10 480V REACTOR MOV BCARD 2A2-A LOWER CONTAINMENT 2A CLR GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 4A SUPPLY ISLN VLV 2-FCV-067-083 64.12 480V REACTOR MOV BOARD 2A2-A LOWER CONTAINMENT 2A CLR GENERAL' 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 THED 136015WL
  • 15 COMPT 58 DISCHARGE ISLN VLV 2-FCV-067-104 64.26 480if REACTOR MOV BOARD 2A2-A LOWER CONTAINMENT 2D CLR GENERAL ELECTRIC THED 136015WL
  • 15 COMPT SC DISCHARGE-ISLN VLV 2-FCV-067-112

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' I Page No.

~13

'A 11/14/89.L

- M SEQUOYAH NUCLEAR PLANT i

NRCB 88-10 SUSPECT MOLDED-CASE CIRCUIT BREAKERS REVISION 2 - 8810REV3.CBF ENCLOSURE 1

. BKR :

PKG RAT NO.

BOARD AND COMPARTMENT

'AFFECTED END DEVICE MANUFACTURER MFR PART NO.

ING-64.92 480V REACTOR MOV BOARD 2A2-A STEAM CENERATOR FEEDWATER GENERAL ELECTRIC THED 136090WL

  • 90 -

COMPT 17C ISOLATION VLV 2-FCV-00'-087 64.96 480V REACTOR MOV BOARD 2A2-A ANNULUS STANDPIPE ISOLATION-GENERAL ELECTRIC TND 136015WL

15 -

COMPT 19E VALVE 2-FCV-026-245 67.11 480V REACTOR MOV BOARD 2B1-B SEAL FLOW ISOLATI'Om GCNERAL ELECTRIC THED 136015WL

  • 15 COMPT 7C VALVE 2-FCV-062-061 67.15 480V REACTOR MOV BOARD 281-B CHARGING FLOW ISOLATION GENERAL ELECTRIC THED 136015WL'*

25 COMPT 7E VALVE 2-FCV-062-091 67.19 480V REACTOR MOV BOARD 281-B VOLUME CONTROL TANK OUTLET GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 88 ISOLATION VLV 2-FCV-062-133 67.23 480V REACTOR MOV BOARD 2B1-8

-VoiUME CONTROL TANK OUTLET GENERAL ELECTRIC THED 136015WL *

.15 COMPT 8C ISOLATION VLV 2-FCV-062-136 67.27 480V REACTOR MOV BOARD 2B1-B SIS BIT SHUTOFF VALVE GENERAL ELECTRIC THED 136015WL *-

15 -

COMPT 10B 2-FCV-063-025 67.31 480V REACTOR MOV BOARD 2B1-B SIS BIT INtET SHUT 0FF GENERAL ELECTRIC THED 136015WL

  • 15' COMPT 11A VALVE 2-FCV-063-040 l

67.35 480V REACTOR MOV BOARD 281-B CONTF.INMENT SPRAY HEADER 28 GENERAL ELECTRIC THED 136015WL

  • 15 COMPT 13A ISOLATION VLV 2-FCV-072-002 67.39 480V REACTOR MOV BOARD 281-B CONTAIPMENT SPRAY PUMP 2B GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 138 RECIRC FLOW VLV 2-FCV-072-013 67.47 480V REACTOR MOV BOARD 2B1-B RHR PUMP 28-B MINI FLOW CENERAL ELECTRIC THED 136015WL
  • 15 COMPT 2C VALVE 2-FCV-003-126A 68.04 480V REACTOR MOV BOARD 282-B RNNULUS STANDPIPE ISOLATION GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 2E VALVE 2-FCV-026-241 y-

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8 Page No.

=

11/14/89

. SEQUOTAN NUCLEAR PLANT NRCB 88-10 SUSPECT MOLDED-CASE CIRCUIT 9REACERS REVISION 2 - 8810REv3.DBF ENCLOSURE 1.

BRR PKG RAT NO.

BOARD AND COMPARTMENT AFFECTED END DEVICE MANUFACTURER MFR PART NO.

ING 68.10 480V REACTOR MOV BOARD 282-s LOWER CONTAINMENT 2A CLR GENERAL ELECTRIC TMED 136015WL

  • 15 COMPT 4A DISCMARE ISLN VLV 2-FCV-067-088 68.12 480V REACTOR MOV BOARD 282-8 LOWER CONTAIMMENT 2E CLR GENERAL ELECTRIC inED 13601 M
  • 15.,

COMPT 48 OISCHARE ISLN VLV 2 FCV-067-096 68.14 480V REACTOR MOV BOARD 282-s LOWER CONTAIN*ENT 28 CLR GENERAL ELECTRIC TMED 136015WL

  • 15 '

COMPT 4C SUPPLY ISLN VLV 2-FCV-067-099 68.16 480V REACTOR MOV BOARD 2B2-B AMMULUS SPRINKLER ISOLATION GENERAL ELECTRIC THED 136015WL

  • 15 COMPT -E VALVE 2-FCV-026-244 68.22 480V REACTOR MOV BOARD 2B2-8 LOWER CONTAINMENT 28 CLR GENERAL ELECTRIC TMED 136015WL
  • 15 COMPT SA DISCHARE ISLN VLV 2-FCV-067-103 68.26 480V REACTOR MOV BOARD 282-8 LOWER CONTAINuENT 2D CLR GENERAL ELECTRIC TMED 136015WL
  • 15 COMPT 58 SUPPLY ISLN VLv 2-;CV-0C ~37 68.28 480V REACTOR MOV BOARD 282-8 LOWER CONTAIMMENT 2D CLR GENERAL ELECTRIC TMED 136015WL
  • 15 COMPT SC DISCHARE ISLN VtV 2-fr.v-067-111 68.32 480V REACTOR MOV BOARD 282-8 LOWER CONTA.hMENT 2A CLR GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 7A DISCMfRGE ISLR VLV 2-FCV-067-131 68.36 483V REACTOR MOV BOARD 282-8 tmR CONTAINMEET CLR 2C GENERAL ELECTRIC THED 136013WL
  • 15 COMPT 78 Dhm.1ARGE ISLN VLV 2-FCV-067-134 68.38 480V REACTOR MOV BOARD 282-8 UPPER CONTAINMENT CLR 29 GENERAL ELECTRIC THED 136015WL
  • 15 COMPT 88 SUPPLY ISLN VLV 2-FCV-067-141 68.48 480V REACTOR MOV B DRD 282-8 COMPONENT CLR HTX C DISCHARGE CENERAL ELECTRIC TMED 136015=L -

15 COMPT 8D VLV TO MDR 8 0-FCV-067-141 68.52 480V REACTOR MOV BOARD 282-8 UPPER CONTAINMENT VENT CtR 28 GENERAL ELECTRIC TRED 136015WL

  • 15 COMPT 98 ISOLATION VLV 2-FCV-067-297

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Pa;e No'.

15

.11/14/89 SEQil3 TAN NUCLEAR PLANT NRCB 88-10 SUSP;CT MOLDED-CASE CIRCUIT BREAKERS REvi! ION 2 - 8810REV3.DBF ENCtOSURE 1 PKG RAT NO.

BOARD AND COMPARTMENT AFFECTED END DEVICE MANUFACTURER MFR PART NO.

ING 68.56 480V REACTOR MOV BOARD 282-8 IIPPER CONTAINMENT VENT CLR 2D GENERAL ELECTRIC THED 136015E

  • 15 COMPT 9C DISCMARGE ISLN VLV 2-FCV-067-29S' H

68.62 480V REACTOR MOV BOARD 282-8 ERCW MEADER 2B ISOLATION VALVE GENERAL ELECTRIC TMED 136015E

  • 15 COMPT 11E 2-TCV-003-1794 68.70 480V REACTOR MrN BOARD 2B2-B RCP THERMAL BARRIER RETURN GENERAL ELECTRIC TMED 136C15WL
  • 15 COMPT 14C C04tA14 MENT ISLN VLV 2-FCV-070-067 68.82 480V REACTOR MOV BOARD 2B2-8 RCP OIL COOLER RETURN GENERAL ELErTRIC TMED 136015WL
  • 15 COMPT 15C CONTAIMMENT ISLN VLv 2-FCV-070-140 68.9G M REACTOR MOV BOARD 282-8 RCP THERMAL BARRIER RETURN GENERAL ELECTRIC THED 136015WL
  • 15 N T 1641 CONTAINMENT ISLN VLV 2-TCV-070-087 68.92 480V REACTOR MOV BOARD 282-B RCP THERMAL BARRIER GENERAL ELECTRIC THED 136015WL
  • 90 COMPT 16C ISLN VLV 2-FCV-003-047 68.98 480V REACTOR MOV BOARD 282-8 i

COMPT 17A STEAM GENERATOR FEEDWATER GENERAL ELECTRIC THED 136090WL

  • 90 iSLN YLV 2-FCV-003-100 i

f 80.01 120VAC VITAL INSTRUMENT POWER NSSS AUX RELAY PNL 2-R-58,"C" MEINEMNW CF2 251-1 15 BOARD 2-II, BER 24 BJS

(

l-80.02 120VAC VITAL INSTRUMENT POWER SEPARATION AUX RELAY PNL MEINEMANN CF2-251-1 15 BOARD 2-I, BER 23 2-R-76, "A" BUS i

L.

Page No.

16 ^

11/16/89.

SEQUOYAN NUCLEAR PLANT

~

NRCS 88-10 SUSPECT MOLDED-CASE CIRCit!T OREAKERS REVISION 2 - 8810REV3.D8F ENCLDSURE 1 BER PKG RAT WO.

BOARD AND COMPARTMENT AFFECTED END DEVICE ~

MANUFACTURER MFR PART NO.

ING Y

80.03 120VAC VITAL INSTRUMENT POWER AFWP A PRESSURE CONTROL MEINEMANN CF2-Z51-1 15 BOARD 2-III, BER 24 2-PIC-3-122A 80.04 120VAC VITAL INSTRUMENT POWER NSSS aux RELAY PANEL 2-R-55, NEINEMANN CF2-Z51-1 15 BOARD 2-IV, 8KR 25 Y 805 30.05 120VAC VITAL INSTRUMENT POWER SEPARATION AUK RELAY PANEL MEINEMANN CF2-Z51-1 15 BOARD 2-II, BKR 26 2-R-75, "B" BUS 80.06 125VDC vlTAL BATTERY BOARD IV, BORIC ACID EVAPORATOR PACKAGE WESTINGMOUSE NFS 2015 15 PNL 3, BKR 318 8, 0-L-18 80.07 125VDC VITAL 8ATTERY BOARD IV, CopW904 CONTROL & SERVICE AIR WESTINGMOUSE NF8 2015 15 PNL 3, BER 315 COMP ALT FDR 80.08 480V ERCW MCC 2A-A, ERCW PUMPING STATION DUPLEX WESTINGNOUSE MCP 0358CR 7

COMPT 4A SUMP PUMP 2A-A, PUMP A 80.09 480V ERCW MCC 2A-A, ERCW PUMPING STATION DUPLEX WESTINGNOUSE MCP 0358CR 7

COMPT 48 SUMP PUMP 2A-A, PUMP 8 80.10 125VDC VITAL BATTERT BOARD IV, U2 GLAND STEAM SPILLOVER TO WESTINGNOUSE MF8 2015 15 PNL 3, BER 314 CONDENSER 80.11 125VDC VITAL BATTERY BOARD IV, U-2 ROD DRIVE PWR SUP SWGR BER WESTINGNOUSE NF8 2015 15 PNL 3, eKR 317 28, PNL 2-L-1158 PA.12 480V DSL AUX BOARD 1Al-A, DSL GEN 1A-A MUFFLER ENNAUST GENERAL ELECTRIC TED 136020WL 20 CCMpi 60 FAN L

80.15 120VAC VITAL lieSTRUMENT POWER SEPARAfl04 AUK RELAY PANEL NEINEMANN CFZ-251-1 15 BOARD 2-II, BKR 23 2-R-76, *S= BUS 80.17 125VDC VITAL BATTERY BOARD SPARE BKR WESTINGMOUSE NF8 2015 15 III, PNL 2, SKR 223 80.18 480V REAC'OR VENT BOARD 28-8, INCORE FLUX DETECTOR DRIVE GENERAL ELECTRIC THED 136020WL 20 COMPT 102 UNIT 2C 80.19 480V C & A VENT BOARD 2A2-A, 480V BOARD ROOM 2A UNIT NTR GENERAL ELECTRIC THED 136020WL 20 COMPT 101 80.21 480V ERCW MCC 2A-A, ERCW MCC 2A-A SUPPLY FAN 2A WESTINGNOUSE MCP 3150CR 15 COMPT 4C e

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,; u ENCLOSURE 2-

+

List of Commitments j

i 3

1.

The' installation location of any additional untraceable breakers will be i

determined by December 31, 1989.

2.

In acccrdance with the bulletin requirements, all of-the additional l

untraceable breakers will either be replaced or have a justification for j

continued operation in place by January 30, 1990.

3.

The breakers listed'in. Enclosure 1 of this letter will be replaced in l

accordance with the schedule in Bulletin 88-10. Since the number is now 9

greater than 75 per unit, one-half of the breakers for each' unit will be replaced before startup after the Cycle 4 refueling outages, and one-half ~

will be: replaced before startup after the Cycle 5 refueling outages.

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