ML16342B874

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Advises Util 911024 Response to Generic Ltr 91-06, Resolution of Generic Issue A-30, Adequacy of Safety- Related DC Power Supplies, Pursuant to 10CFR50.54(f), Meets Reporting Requirements Set Forth
ML16342B874
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 04/29/1992
From: Rood H
Office of Nuclear Reactor Regulation
To: Rueger G
PACIFIC GAS & ELECTRIC CO.
References
REF-GTECI-A-30, REF-GTECI-EL, TASK-A-30, TASK-OR GL-91-06, GL-91-6, TAC-M81434, TAC-M81435, NUDOCS 9205070163
Download: ML16342B874 (6)


Text

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~t April 29, 1992 Docket Nos.

50-275 and 50-323 Hr. Gregory M. Rueger Senior Vice President and General Manager Nuclear Power Generation Business Unit Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106

Dear Hr. Rueger:

SUBJECT:

CLOSEOUT OF STAFF ACTIVITIES ON GENERIC LETTER 91-06 FOR DIABLO CANYON (TAC NOS.

M81434 AND M81435)

On April 29,

1991, the NRC staff issued Generic Letter (GL) 91-06, '"Resolution of Generic Issue A-30,

'Adequacy of Safety-Related DC Power-Supplies,'ursuant to 10 CFR 50.54(f)."

The GL required that licensees provide responses within 180 days to a number of questions relating to the adequacy of

'afety-related dc power supplies for each licensed nuclear power unit at each reactor site.

By letter DCL-91-260 dated October 24,

1991, you responded to the GL by providing a response to each of the questions in GL 91-06.

The NRC staff has reviewed your response to the GL and finds that it meets the reporting requirements set forth in GL 91-06.

This completes the staff, effort on the GL for Diablo Canyon and closes TAC Nos.

H81434 and H81435.

Sincerely, Original Signed By:

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See next page Harry Rood, Senior Project Manager Project Directorate V

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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555 April 29, 1992 Docket Nos. 50-275 and 50-323 Hr. Gregory H. Rueger Senior Vice President and General Manager Nuclear Power Generation Business Unit Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106

Dear Mr. Rueger:

SUBJECT:

CLOSEOUT OF STAFF ACTIVITIES ON GENERIC LETTER 91-06 FOR DIABLO CANYON (TAC NOS.

H81434 AND H81435)

On April 29,

1991, the NRC staff issued Generic Letter (GL) 91-06, "Resolution of Generic Issue A-30,

'Adequacy of Safety-Related DC Power Supplies,'ursuant to 10 CFR 50.54(f)."

The GL required that licensees provide responses within 180 days to'a number of questions relating to the adequacy of safety-related dc power supplies for each licensed nuclear power unit at each reactor site.

By letter DCL-91-260 dated October 24, 1991, you responded to the GL by providing a response to each of the questions in GL 91-06.

The NRC staff has reviewed your response to the GL and finds that it meets the reporting requirements set forth in GL 91-06.

This completes the staff effort on the GL for Diablo Canyon and closes TAC Nos.

M81434 and H81435.

Sincerely, Harry Roo

, Senior Project Manager Project Directorate V

Division of Reactor Projects III/IV/V Office of Nuclear Reactor Regulation cc:

See next page

Mr. Gregory M. Rueger Pacific Gas and Electric Company Diablo Canyon CC:

NRC Resident Inspector Diablo Canyon Nuclear Power Plant c/o U.S. Nuclear Regulatory Commission P. 0.

Box 369 Avila Beach, California 93424 Mr. Hank Kocol Radiologic Health Branch State Department of Health Services Post Office Box 942732 Sacramento, California 94234 Dr. Richard Ferguson, Energy Chair Sierra Club California 6715 Rocky Canyon

Creston, California 93432 Ms. Sandra A. Silver Mothers for Peace 660 Granite Creek Road Santa Cruz, California 95065 Ms. Jacquelyn C. Wheeler 3303 Barranca Court San Luis Obispo, California 93401 Managing Editor The County Telegram Tribune 1321 Johnson Avenue P. 0.

Box 112 San Luis Obispo, California 93406 Chairman San Luis Obispo County Board of Supervisors Room 370 County Government Center San Luis Obispo, California 93408 Christopher J.

Warner, Esq.

Pacific Gas 5 Electric Company Post Office Box 7442 San Francisco, California 94120 Regional Adminstrator, Region V

U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 Mr. Peter H. Kaufman Deputy Attorney General State of California 110 West A Street, Suite 700 San Diego, California 92101 Ms. Nancy Culver 192 Luneta Street San Luis Obispo, California 93401 Michael M. Strumwasser, Esq.

Special Assistant Attorney General State of California Department of Justice 3580 Wilshire Boulevard, Room 800 Los Angeles, California 90010

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