ML20005E545

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Advises That Addl Info Required from Westinghouse to Meet Util 890621 Commitment to Adopt Administrative Control Re Rapidly Propagating Fatigue Cracks in Steam Generator Tubes Per NRC Bulletin 88-002.Info Anticipated by End of Mar 1990
ML20005E545
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 12/28/1989
From: Fay C
WISCONSIN ELECTRIC POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CON-NRC-89-168 IEB-88-002, IEB-88-2, VPNPD-89-684, NUDOCS 9001080101
Download: ML20005E545 (1)


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Wisconsin Electnc POWER COMPANY 231 W Michcart RO. Box 2046. Milwoukee. wi 53201 _(414)221-2345 s

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-VPNPD-89-684- J x

NRC-89-168. s De'cember 28,1_1989 f l

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.U. S. NUCLEAR REGULATORY COMMISSION' #

Document Control Desk J Mail Station P1-137

., Washington, D.'C.- 20556 ,

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  1. Gentlemen:- l

' DOCKET 50-301

'NRC BULLETIN 88-02 RAPIDLY PROPAGATING FATIGUE CRACKS ,

IN STEAM GENERATOR TUBES

. POINT BEACH NUCLEAR PLANT. UNIT 2- -

-In'a telephone conversation on June 21, 1989,-Wisconsin

. Electric committed-to. adopting administrative controls to 3t ensure that updated stress ratio andLfatigue usage calculations are performed;in the. event of-any significant  !

changes to'the steam generator operatingEparameters that are *

>non-conservative relative.to the reference parameters assumed in our-analyses.- The adoption of such administrative controls is necessary--to fully close'out Bulletin 88-02 for Point Beach Nuclear Plant, Unit 2.-

Additional information is'needed and has~been requested from Westinghouse'.in order t'o determine'the changes in parameters which would-necessitate updating the stress ratio and fatigue usage calculations. ' Appropriate administrative controls will be implemented-to satisfy our commitment when'that information

'is available. We anticipate having the information'by the end

-of March 1990.

y very truly yours, C. W. Fay If Vice President Nuclear Power Copies to NRC Regional Administrator, Region III NRC Resident Inspector b

9001080101 891228 PDR/-ADOCK705000301 fa l 0 PDC lJ d

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