ML19325E323

Advises That No Addl Actions to Address Generic Ltr 89-08 Re Erosion/Corrosion - Induced Pipe Wall Thinning Required as Long as Reactor Defueled & Facility Closed.Response Required Prior to Going Above Cold Shutdown

ML19325E323
Person / Time
Site:	Rancho Seco
Issue date:	10/24/1989
From:	Reynolds S Office of Nuclear Reactor Regulation
To:	Keuter D SACRAMENTO MUNICIPAL UTILITY DISTRICT
References
GL-89-08, GL-89-8, TAC-73531, NUDOCS 8911060230
Download: ML19325E323 (3)

Text

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October 24. 1989 Docke't.No.'.50-312 1

o Mr. Dan R. Keuter Assistant General Manager, Nuclear 1444G: Twin Cities Road Herald, California 95638 9799

SUBJECT:

GENERIC LETTER 89 08. El0SION/ CORROSION - INDUCED PIPE. WALL THINNING [TACNO.

73531]

Generic Letter (GL) 89 08 was issued on May 2,1989, and asked you to provide

. assurances that you had implemented or will implement a program that ensures that erosion / corrosion. induced pipe wall thinning will not lead to unacceptable degradation of single phase or two. phase high-energy carbon steel systems.

In your reply letter dated June 30, 1989, you stated that the Sacranento Municipal Utility District (SMUD) " plans to defuel the reactor and is y

. proceeding toward closure of the facility".

You further stated that since t

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SMUD's plans are to defuel and close the facility, the concerns addressed in GL 89 08 are not applicable.

F m-After review, the NRC' staff has determined that you do not have to take any i

' additional actions to address GL 89 08 as long as you proceed towards plant closure. However, prior. to going above cold shutdown you are required.

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pursuant 1to 10.CFR 50.54 (f), to adequately respond to GL 89 08.

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October 24, 1989 Docket No. 50-312 Mr. Dan R. Keuter Assistant General Manager, Nuclear 14440 Twin Cities Road Herald, California 95638 9799

SUBJECT:

GENERIC LETTER 89-08 EROSION / CORROSION - INDUCED PIPE WALL THINNING [TACNO. 73531]

Generic Letter (GL) 89-08 was issued on May 2,1989, and asked you to provide assurances that you had implemented or will implement a program that ensures that erosion / corrosion - induced pipe wall thinning will not lead to unacceptable degradation of single phase or two-phase high-energy carbon steel systems.

In your reply letter dated June 30, 1989 you stated that the Sacramento MunicipalUtilityDistrict(SMUD)" plans,todefuelthereactorandis proceeding toward closure of the facility". You further stated that since SMUD's plans are to defuel and close the facility, the concerns addressed in GL 89-08 are not applicable.

After review, the NRC staff has determined that you do not have to take any additional actions to address GL 89-08 as long as you proceed towards plant closure.

However, prior to pursuant to 10 CFR 50.54 (f) going above cold shutdown you are required,

, to adequately respond to GL 89-08.

Sincerely, k

Steven A. Reynolds, Project Manager Project Directorate V Division of Reactor Projects - !!!

IV, V and Special Projects Office of Nuclear Reactor Regulation

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Mr.. Dan Keuter Rancho Seco Nuclear Generating l

Station cc Ms. Jan Schort, General Manager Mr. John Bartus Sacramento Municipal Utility District Ms. JoAnne Scott i

6201 $ Street Federal Energy Regulatory Comission P.O. Box 15830 825 North Capitol Street, N. E.

i Sacramento, California 95813 Washington, D.C.

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I Thomas A. Baxter, Esq.

Ms. Helen Hubbard Shaw, Pittman, Potts & Trowbridge P. O. Box 63 t

2300 N Street, N.W.

Sunol, California 94586 i

Washington, D.C.

20037 Environmental Conservation Mr. Steven Crunk Organization Manager, huclear Licensing Suite 320 Sacramento Municipal Utility District 101 First Street Rancho Seco Nuclear Generating Station Los Altos, California 94022 14440 Twin Cities Road Herald, California 95638-9799 l

Mr. Robert B. Borsum, Licensing i

Representative Babcock & Wilcox Nuclear Power Division 1700 Rockville Pike - Suite 525 Rockville, Maryland 20852 l

Resident inspector / Rancho Seco c/o U. S. N. R. C.

i 14440 Twin Cities Road i

Herald, California 95638 Regional Administrator, Region V I

U.S. Nuclear Regulatory Comission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 Mr. John Hickman Senior Health Physicist Environmental Radioactive Management i

Unit Environmental Management Branch State Department of Health Services 714 P Street, Room 616 Sacramento, California 95814 Sacramento County L

Board of Supervisors l

700 H Street, Suite 2450 Sacramento, California 95814 (11)

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