ML20043B148

Advises That Necessary Info Received from Westinghouse Re Revised Administrative Controls for NRC Bulletin 88-002, Rapidly Propagating Fatique Cracks in Steam Generator Tubes

ML20043B148
Person / Time
Site:	Point Beach
Issue date:	05/18/1990
From:	Fay C WISCONSIN ELECTRIC POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CON-NRC-90-051, CON-NRC-90-51 IEB-88-002, IEB-88-2, VPNPD-90-242, NUDOCS 9005240282
Download: ML20043B148 (1)

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. Wisconsin Electnc POWER COMPAth'

. 231 W M cNgan, Ro. Box 2046. Mhoukee. WI $3201 (4W 2212345 VPNPD-90-242 NRC-90-051 LMay 18,--1990 Document Control Desk.

U.S.' NUCLEAR' REGULATORY COMMISSION

' Mail Station Pl-137

' Washington, D.C.

20555

.- t Gentlemen:

l DOCKET'NO. 50-301 REVISED-ADMINISTRATIVE CONTROLS FOR BULLETIN 88-02 POINT BEACH NUCLEAR. PLANT,' UNIT 2-i In our-letter dated December 20, 1989, w'e'a'dvised the NRC that we' j

had'requestediadditional;information;from' West'inghouse in; order to, li determine thelchangeslin parameters which wouldinecessitate updating the' Point Beach: Unit ~ 21 steam: generatorsstress ratio and-

'I fatigue usage: calculations.

These calculations were conducted =as part.of our evaluationJof.NRC-Bulletin 88-02,1" Rapidly Propagating ~

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.Fatique Cracks in Steam Generator Tubes," for'the Point Beach:

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Nuclear Plant,' Unit 2., Mr. Swenson's? letter, dated July;7,E1989, j

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closed out that bulletin.

The" letter-requested Wisconsin' Electric L

.to adopt. administrative controls 1to ensureithat updat'ed calcula -

tions are performed in the event ofLanyrsignificant-.changesLtolthe t

steam generater~operatingLparameterslthat:are non-conservative

' relative;to the reference parameterJassumed'in'our; analyses

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' This letter is to sadvises yo'ultha'tlwe 4 h' ave: re'ceived i the J necessary L

information from: Westinghouse.1.ThisJinformationihas been incor-porated by reference into.our administrativescontrols,11n1the form of a revision to check listiCL-1D,~" Heat-up-Checklist."'?We w

believe this continues to satisfy our commitment to maintain effective administrativeEcontrols concerningLthis! matter.

Very truly-yours, f

M y

C. W Fay f

- Vic President Nudlear Power j

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! Copies'to:NRC Resident Inspector NRC: Region III Administrator.

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9005240282 900518

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