ML13330B529

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Forwards Safety Evaluation Re Station Blackout.Facility Not in Conformance W/Station Blackout Rule as Supplemented by Guidance Provided by Reg Guide 1.155 & NUMARC 87-00.Response Requested within 60 Days.Technical Evaluation Rept Encl
ML13330B529
Person / Time
Site: San Onofre 
Issue date: 07/10/1991
From: Kalman G
Office of Nuclear Reactor Regulation
To: Ray H
SOUTHERN CALIFORNIA EDISON CO.
Shared Package
ML13329A736 List:
References
RTR-REGGD-01.155 NUDOCS 9107170268
Download: ML13330B529 (2)


Text

Docket No. 50-206 JUL 101991 Mr. Harold B. Ray Senior Vice President Southern California Edison Company Irvine Operations Center 23 Parker Street Irvine, California 92718

Dear Mr. Ray:

SUBJECT:

SAN ONOFRE NUCLEAR GENERATING STATION UNIT 1, STATION BLACKOUT ANALYSIS The NRC staff safety evaluation (SE) with attached technical evaluation report (TER) prepared by Science Applications International Corporation (SAIC) on the subject of station blackout at San Onofre Unit 1 is enclosed. The evaluations are based on your submittals dated April 17, 1989, May 1, 1990, August 6, 1990, and December -5, 1990. The TER was prepared November 15, 1990 and does not include an evaluation of material provided by your December 5, 1990 submittal.

Additionally, a teleconference between your staff and the NRC staff was held on June 22, 1990 to discuss station blackout related issues.

Based on the information provided by the communications referenced above, our evaluations conclude that San Onofre Nuclear Station, Unit 1 is not in conformance with the station blackout rule as supplemented by guidance provided by Regulatory Guide 1.155, and NUMARC 87-00. Within 60 days, please submit a response addressing the areas of non-conformance identified by the enclosed evaluations.

Sincerely, ORIGINAL SIGNED BY George Kalman, Senior Project Manager Project Directorate V 9107170268 910710 Division of Reactor Projects III/IV/V PDR ADOCK 05000206 Office of Nuclear Reactor Regulation P

PDR

Enclosures:

1. Safety Evaluation
2. TER No. SAIC-90/1378 cc:

See next page DISTRIBUTION:

Docket File NRC & LPDRs PD5 r/f BBoger MVirgilio RCesaro GKalman OGC EJordan ACRS (10)

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//91 RECORD COPY Document Name: SISBO/50206

Mr. Harold B. Ray San Onofre Nuclear Generating Southern California Edison Company Station, Unit No. 1 cc:

Mr. Phil Johnson Mr. Richard J. Kosiba, Project Manager U.S. Nuclear Regulatory Commission Bechtel Power Corporation Region V 12440 E. Imperial Highway 1450 Maria Lane, Suite 210 Norwalk, California 90650 Walnut Creek, California 94596 Mr. Robert G. Lacy Manager, Nuclear Department San Diego Gas & Electric Company P. 0. Box 1831 San Diego, California 92112 Resident Inspector, San Onofre NPS c/o U.S. Nuclear Regulatory Commission P. 0. Box 4329 San Clemente, California 92674 Mayor City of San Clemente 100 Avenida Presidio San Clemente, California 92672 Chairman, Board of Supervisors County of San Diego 1600 Pacific Highway, Room 335 San Diego, California 92101 Regional Administrator, Region V U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 Mr. John Hickman Senior Health Physicist Environmental Radioactive Mgmt. Unit Environmental Management Branch State Department of Health Services 714 P Street, Room 616 Sacramento, California 95814 Mr. Don J. Womeldorf Chief, Environmental Management Branch California Department of Health Services 714 P Street, Room 616 Sacramento, California 95814 (9)