ML20077H005

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Requests Withdrawal of Relief Request G Re Exam of Bolting Surfaces for Valve BB-8378B.Relief Requests M & O Resubmitted W/Addl Info,Per NRC Request
ML20077H005
Person / Time
Site: Callaway Ameren icon.png
Issue date: 06/28/1991
From: Schnell D
UNION ELECTRIC CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ULNRC-2428, NUDOCS 9107030341
Download: ML20077H005 (8)


Text

_ _ _ _-

1901 Deutreu Avenue l

PntO hcPn 149 St Icu.f,*.se,n(3!(C 3 f J 554 2950 UNION Donald F. Schnell Etnernic sen?or we neser ue.,

',4,3 June 28,1991

-4 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station P1-137 Washington, D.C.

20555 ULNRC-2428 Gentlemen DOCKET FO. 50-483 CALLAWAY PLANT ADDITIONAL INFORMATION CONCERNING THE CALLAWAY PLANT INSERVICE INSPECTION PROGRAM T LAN

References:

1) ULNRC-1753, dated April 11, 1988
2) ULNRC-2068, dated August 29, 1989
3) ULNRC-2331, dsted November 30, 1990 The referenced letters transmitted information concerning the Callaway Inservice Inspection Program Plan.

These letters include Relief Requests G, M,

and O which are being resubmitted as discussed below.

After further consideration, Union Electric wishes to withdraw Relief Request G.

The Code required examination of bolting surfaces for valve BB-8378B will be performed.

Relief Requests M and O are being resubmitted with additional information as a result of discussions with the NRC Staff (Attachment 1).

All reference to augmented examinations have been removed from these relief requests.

Augmented examination relief requests will be reviewed under 10CFPI9.59 and maintained on-site for NRC review.

The listir.. oC augmented components removed frt_ i Relief Requests M and O is included as.

If information, you Lave any questions concerning this please contact us.

Very truly yours, t

e

/ Donald F. Schnell h

WEK/dls Attachments

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9107030341 910628 t

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PDR ADOCK 05000483 i I!

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STATE OF MISSOUBI )

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SS CITY OF ST, LOUIS )

Alan C Pannwater, of lawful age, being firnt duly sworn upon oath eays that he i s Manager, Licenning and Fuels (Nuclear) for Union Electric Company; that be han read the foregoing document and knows the cortent thernof; that he has e>;ecuted the same for and on behalf of said cunpr.ny with full power and authority to do so; and that the facts therein stated are true and correct to the best of hin knowledge, inf ormation anel belief.

/h)

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By L

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M:/FW4/2 Alan C.

Pasawater Manager, Licensing and Funin Nuclear SUBSCRIBED and sworn to before me thia _88IL day of _ _;2ast&

1991.

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. j.$ < J AAA BARGARA'I PFAF[ # 'l NOTARY PUBLIC, STATE OF MISSOURI My COMMISSION EXPtRES AMill 22, 1993 ST. LOUIS COUNTY

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cc:

T.

A.

Baxter, Esq.

Ghaw, Pittman, Potts & Trowbridge 2300 N,

Street, N.W.

Washington, D.C.

20037 Dr.

J.

O.

Cermak CFA, Inc.

18225-A Flower Hill Way Gaithersburg, MD 20879-5334 R.

C.

Knop Chief, Reactor Project Branch 1 U.S.

Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137 Bruce Bartlett Callaway Resident Office U.S.

Nuclear Regulatory Commission RR#1 Steedman, Missouri 65077 M. D.

Lynch (2)

Office of Nuclear Reactor Regulation U.S.

Nuclear Regulatory Comnission 1 White Flint, North, Mail F top 13E21 11555 Rockville Pike Rockville, MD 20052 Manager, Electric Department Missouri Public Service Commission P.O.

Box 360 Jef ferson Ci ty, MO 65102 4

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-____--___-__-__.__________._________._..___-___.____m.-_._.m__.

. _ - _ =...

to ULNRC-1 CALLAWAY ISI RELIEF REQUEST M System:

See attached pages Category:

Piping, See attached pages Component

Description:

See attached pages Areas for Relief:

See attached pages Basis for Relief:

See attached pages Alternate Test Method:

See attached pages l

Appendix M Revision 1, 4-4-91 (Pages 1 and 2, attached) l

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CALLAWAY ISI RELIEF REQUEST M 1

i SYSTEM: Accw utator Safety Injection rategory Description twoonent !.D.

Code Requirements Areas for Retief Basis for Relief At ternete Testing,

B-J 6a pipe to 2" 2-EP-01-S011J Voturwtric exarnination from 50% of weld volume Tee gemetry Nor.e: Extent of exam-sockotet two directions of the weld obstructs scan (nation, surf ace exara, path and 151 visuet for a

4 teakage will establish j

the integrity of this I

weld.

B-J Valve BB8948A 2-EP-01-F007 voltare*ric exarnination from 35% of weld voltsne Permanent Energy None: Extent of exem-to 10" pipe two directions of the weld Abscrption Chanber iration, surface exam, obstructs scan and ISI visual for path teakage will establish the integrity cf this weld.

B-J Valve 8889488 2-EP-02-F007 Volunetric examination f rom 4$% of weld volume Perennent Energy None: Extent of exam-to 10" pipe two directions and surf ace Absorption Chamber ination and 151 visunt examirwtion of the wetd 26% of wetd surface obstructs scan for teakage vitt estab-path tish the integrity of this weld.

l 1

l j

a Appendix M j

Revision 1, 4-4-91 Page 1 of 2

w REllEF REQUEST M (Additional Information)

SYSTEM: ACCUMUL ATOR SAFETY INJECTION PIPE CCEE RELIEF EXAM EXAM COMPONENT

$1ZE CATEGORY PEOUEST %

PERFORMfD COVERAGE NOTES EP01-S011J 2"x6" B->

50%

UT ax 50%

1/2 V; one side; timited scan due to sockotet-to-pipe geometry i

UT cire 100%

1/2 V; both sides l

PT 100%

EP01-F007 10" B-J 35%

UT a=.

65%

1-1/2 V; one side; whip restraint EAM ebstruction UT cire 65%

1/2 V; both sides; whip restraint EAM obstruction and lift off at valwe BB8948A transition PT 95%

Whip restraint EAM obstructs PT j

i EP02-F007 10" B-J

-45%

UT ax 55%

1-1/2 V; one side; whip re traint EAM ebstruction UT cire 55%

1/2 V, both sides; whip restraint EAM cestruction and Iif t of f at valve B889488 transition U f ex N/A Stwtemental 1/2 V RL exart; one side 26%

P1 74%

Whip restraint EAM obstructs PT Page 2 of 2

CALLAWAY IS! RELIEF PEQUEST O l

4 Category Ca ponent I.D.

Deecripti m Code Require e nts Ar-as for Retief Basis for Relief Atternate Testing l

I SYSTEM: Reactor Coolant 8-B 2-EBB 018-SEAM-1-W Steam Cenerator V.% w tric examina-35% cf weld Tubesheet obstructs None. Reactor Coolant 2-EBB 01C-SEAM-1-W B, C and D tion of w~td and 1/2 volune.

futt examination from teskage detection 2-E88010-SEAM-1-W bottom head to vesset thi:kaess en side. S p rt tugs systee and ISI visual Tubesheet weld. each side of weld and a code data plate inspections for from two directices.

obstructions examina-teakage will establist.

tion at four ciretse-Integrity of this 4

ferential locations, weld.

SYSTEM: High Pressure Coolant Ir.jection C-C 2-TEM 01-SUPPORT-1 Welded attach-Surface examination 25% of examina-Boron injection tarA None. Exten of exam-2-TEM 01-SUPPORT-2 ment pad for of weld and 1/2 inch tion area.

I-beam stoport ination co mteted will 2-TEM 01-SUPPORT 3 boron injection of baA metal on obstructs exam of establish the 2-TEM 01-SUPPORT-4 tank sugert.

each side of weld.

attachcent pad weld.

integrity of these welds.

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Page 1 of 1 4

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l to ULNRC-AUGMENTED COMPONENTS REMOVED

_FROM REL.lEF PEQUEST M AND O Relief Request h Relief Request O Component I.D.

Component I.D.

l 2-BG-03-F002 2-BB-07-F002-R3 2-BG-03-F003 2-AE-04-S014-A 2-BG-09-FW389 2-AE-05-S015-A 2-BG-09-FW419 2-BG-09-FW434 2-BG-09-FW404 2-BG-09-FW390 2-BG-09-FW393 2-BG-09-FW392 2-BG-09-FW439 2-BC-09-FW438 I

2-AE-05-F031 2-AE-05-S004A 2-BB-08-FWO80 2-BB-08-FWO81 2-BB-08-FWO85 2-BB-08-FWO84 2-EN-01-F001 2-EN-02-F005 2-EN-02-S005B 2-EN-02-F009 2-EN-02-F007

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