ML16342D000

Forwards Proprietary Request for Addl Info Re Computer Software at Plant.Response Requested within 60 Days of Ltr Receipt.Encl Withheld (Ref 10CFR2.790)

ML16342D000
Person / Time
Site:	Diablo Canyon
Issue date:	08/01/1995
From:	Stone J NRC (Affiliation Not Assigned)
To:	Rueger G PACIFIC GAS & ELECTRIC CO.
References
TAC-M90960, NUDOCS 9508070093
Download: ML16342D000 (8)

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ENCLOSURE CONTAINS 10 CFR 2.790 INFORMATION UPON SEP TION OF ENCLOSURE THIS LETTER 'ECONTROLLED UNITED STATES NUCLEAR REGULATORY COIVIMISSION WASHINGTON, D.C. 20555-0001 August 1, 1995 Mr. Gregory M. Rueger Pacific Gas and Electric Company NPG - Hail Code A100 P.O.

Box 770000 San Francisco, Cali fornia 94177

SUBJECT:

REQUEST FOR INFORMATION (RAI) ABOUT COMPUTER SOFTWARE AT THE DIABLO CANYON NUCLEAR POWER PLANT (TAC NO. H90960)

Dear Mr. Rueger:

The Nuclear Regulatory Commission (NRC) received information regarding computer software that could be in use at your facility.

The elements of the concern are provided for your review.

The safety significance is not known as it would depend on the application at your nuclear power plant.

We request that you review the information in the enclosure to this letter and provide responses to the NRC.

The enclosure to this letter should be controlled, with distribution limited to personnel with a "need to know" until your review has been completed and evaluated by the NRC.

The enclosure is considered as exempt from public disclosure in accordance with Title 10 of the Code of Federal Re ulations (10 CFR), Part 2.790(a).

In accordance with 10 CFR 2.790 of the Commission's regulations, a copy of this letter, excluding the enclosure, will be placed in the NRC Public Document Room.

Please submit your response to us within 60 days of the receipt of this letter.

We also request that your response contain no personal

privacy, proprietary, or safeguards information so it can be released to the public and placed in the NRC Public Document Room. If necessary, such information shall be contained in a separate attachment which will be withheld from public disclosure.

The information collections contained in this request are covered by the Office of Management and Budget clearance number 3150-0011, which expires July 31, 1997.

The public reporting burden for this collection of information is estimated to average 25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data Ineeded, and completing and reviewing the collection of information.

Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to the Information and Records Management Branch (T-6 F33),

U.S.

Nuclear Regulatory Commission, Washington, DC 20555, and to the Desk Officer, Office of Information and Regulatory Affairs, NEOB-10202, (3150-0011), Office of Hanagement and Budget, Washington, DC 20503.

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ENCI OSURE CONTAINS 10 CFR 2.790 INFORMATION

'40ogo UPON SEPARATION OF ENCLOSURE THIS LETTER IS DECONTROLLED 9508070093 95080i PDR ADOCK 05000275 P

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Mr. Gregory M. Rueger cc w/o encl:

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

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Box 369 Avila Beach, California 93424 Dr. Richard Ferguson, Energy Chair Sierra Club California 6715 Rocky Canyon Creston, California 93432 Ms. Nancy Culver San Luis Obispo Mothers for Peace P. 0.

Box 164 Pismo Beach, California 93448 Ms. Jacquelyn C. Wheeler P. 0.

Box 164 Pismo Beach, California 93448 Managing Editor The Count Tele ram 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 Mr. Truman Burns Mr. Robert Kinosian California Public Utilities Commission 505 Van Ness, Room 4102 San Francisco, California 94102 Mr. Steve Hsu Radiologic Health Branch State Department of Health Services Post Office Box 942732 Sacramento, California 94232 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Harris Tower 3 Pavillion 611 Ryan Plaza Drive, Suite 400 Arlington, Texas 76011-8064 Mr. Peter H. Kaufman Deputy Attorney General State of California 110 West A Street, Suite 700 San Diego, California 92101 Christopher J.

Warner, Esq.

Pacific Gas h Electric Company Post Office Box 7442 San Francisco, California 94120 Mr. Warren H. Fujimoto Vice President and Plant Manager Diablo Canyon Nuclear Power Plant P.

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Box 56 Avila Beach, California 93424 Diablo Canyon Independent Safety Committee ATTN:

Robert R. Wellington, Esq.

Legal Counsel 857 Cass Street, Suite D

Monterey, California 93940

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Iit ENCL URE CONTAINS '10 CFR 2.790 INFO ION UPON SEPARATION OF ENCLOSURE THIS LETTER IS DECONTROLLED Mr. Gregory M. Rueger 2

I August 1, 1995 Your cooperation is appreciated.

Should you have any questions regarding this

matter, please contact me at (301) 415-3063.

Sincerely, Docket Nos.

50-275 and 50-323

Enclosure:

RAI cc w/o encl:

See next page ORIGINAL SIGNED BY:

James C. Stone, Senior Project Manager Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation DISTRIBUTION (w/o Docket File PUBLIC PDIV-2 Reading EGA1 WBateman JStone ACRS (4), T2E26 RGramm encl):

EPeyton JRoe

JDyer, RIV JLee

KPerkins, WCFO

OGC, 015B18 SBlack DOCUMENT NAME:

DC90960.RAI OFC LA:PD4-2 NAME 8eeyon DATE I D~ 95 PM:PD4-2 JStone:

k F'/i 95 OFFICIAL RECORD COPY

.ENCLOSURE CONTAINS 10 CFR 2.790 INFORMATION UPON SEPARATION OF ENCLOSURE THIS LETTER IS DECONTROLLED

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.OSURE CONTAINS 10 CFR 2.790 IN

. ATION UPON SEPARATION OF ENCLOSURE THIS LETTER IS DECONTROLLED Mr. Gregory M. Rueger August 1, 1995 Your cooperation is appreciated.

Should you have any questions regarding this

matter, please contact me at (301) 415-3063.

Sincerely, Docket Nos.

50-275 and 50-323

Enclosure:

RAI cc w/o encl:

See next page ORIGINAL SIGNED BY:

James C. Stone, Senior Project Manager Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation DISTRIBUTION (w/o Docket File PUBLIC PDIV-2 Reading EGA1 WBateman JStone ACRS (4),

T2E26 RGramm encl):

EPeyton JRoe

JDyer, RIV JLee

KPerkins, WCFO

OGC, 015B18 SBlack DOCUMENT NAME:

DC90960.RAI OFC NAME DATE LA:PD4-2 Beeyon l

95 PM:PD4-2 JStone:

k 95 OFFICIAL RECORD COPY ENCLOSURE CONTAINS 10 CFR 2.790 INFORMATION UPON SEPARATION OF ENCLOSURE THIS LETTER IS DECONTROLLED

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