ML16342B733

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Forwards Summary of 901211-12 Audit of Calculations Re Deterministic Comparisons for Facility long-term Seismic Program
ML16342B733
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 02/21/1991
From: Rood H
Office of Nuclear Reactor Regulation
To:
Office of Nuclear Reactor Regulation
Shared Package
ML16341F973 List:
References
TAC-55305, TAC-68049, NUDOCS 9103010071
Download: ML16342B733 (4)


Text

I I W February 21, 1991 Docket Nos.

50-275 and 50-323 LICENSEE:

FACILITY:

SUBJECT:

Pacific Gas and Electric Company (PGIIE)

Diablo Canyon Nuclear Power Plant, Units 1 and 2

SUMMARY

OF DECEMBER 11-12, 1990 AUDIT OF CALCULATIONS RELATED TO DETERMINISTIC COMPARISONS FOR THE DIABLO CANYON LONG TERM SEISMIC PROGRAM (TAC NUMBERS 55305 AND 68049)

On December 11 and 12, 1990, the NRC staff audited the deterministic comparison calculations conducted by the Pacific Gas and Electric Company (PGIIE or the licensee) for the Diablo Canyon Seismic Reevaluation Program (also known as the Long Term Seismic Program, or LTSP).

Selected calculations related to masonry walls at Diablo Canyon were also audited.

An NRC staff report summarizing the audit is enclosed.

Enclosure:

Audit Summary cc: w/enclosure

- see next page Crtgtnal 8fqnsd By!

Harry Rood, Senior Project Manager Project Directorate V

Division of Reactor Projects III/IV/V Office of Nuclear Reactor Regulation DISTRIBUTION DIWlEE g

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

Box 369 Avila Beach, California 93424 Dr. Richard Ferguson, Energy Chair Sierra Club California 6715 Rocky Canyon Creston, California 93432 Ns. 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 Count Tele ram Tribune 1

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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 Richard F. Locke, Esq.

Pacific Gas

& Electric Company Post Office Box 7442 San Franci sco, Ca 1 if ornia 94120 Nr. John Hickman Senior Health Physicist Environmental Radioactive Ngmt. Unit Environmental Management Branch State Department of Health Services 714 P Street, Room 616 Sacramento, California 95814 Regional Adminstrator, Region V

U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Wa 1 nut Creek, California 94596 Mr. Peter H. Kaufman Deputy Attorney General State of California 110 West A Street, Suite 700 San Diego, California 92101 Ns.

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 Wi lshire Boulevard, Room 800 Los Angeles, California 90010

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