ML20133N969
| ML20133N969 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 01/21/1997 |
| From: | Gwynn T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Ray H SOUTHERN CALIFORNIA EDISON CO. |
| Shared Package | |
| ML20133N972 | List: |
| References | |
| NUDOCS 9701240044 | |
| Download: ML20133N969 (5) | |
See also: IR 05000361/1996013
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UNITED STATES
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NUCLEAR REGULATORY COMMISSION
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JAbl 21 1996
Harold B. Ray, Executive Vice President
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Southern California Edison Co.
San Onofre Nuclear Generating Station
P.O. Box 128
San Clemente, California 92674-0128
SUBJECT: NRC INSPECTION REPORT 50-361;-362/96-13
Dear Mr. Ray;
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An NRC inspection w= conducted September 16-20, December 9-13,1996, and on
January 14,1997, at your San Onofre Nuclear Generating Station, Units 2 and 3 reactor
facilities. This inspection evaluated the self-assessment of your engineering and fire
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protection activities which your staff performed as an alternative to a planned NRC team
inspection. The enclosed report presents the scope and results of the inspection. The final
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results of this inspection were discussed with Mr. G. Gibson of your staff on January 9
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and 14,1997.
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Our inspection found that your self-assessment of engineering was a thorough and
comprehensive alternative to the planned NRC team inspection in this area. Your self-
assessment concluded that your engineering activities met your program requirements.
Our independent inspection generally confirmed that conclusion. Therefore, in accordance
with NRC Inspection Procedure 40501," Licensee Self-Assessments Related to Team
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inspections," the NRC plans no further inspection effort during the current performance
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assessment cycle at the San Onofre Nuclear Generating Station for NRC inspection
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Procedure 37550," Engineering." Although your self-assessment of fire protection
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concluded that your activities were effective in preventing, detecting, and responding to a
fire emergency, it did not adequately address several important inspection activities.
Theu* ore, an additional NRC inspection for NRC Inspection Procedure 64704," Fire
Protection Program," will be performed during the current performance assessment cycle
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to confirm your self assessment conclusions in this area.
One unresolved item was identified concerning the adequacy of your 10 CFR 50.59
evaluation for your diesel generator cross-tie modification. This matter is discussed'in
Section E1.5.b(2) of the enclosed inspection report. Specifically, your self-assessment
questioned the adequacy of the 10 CFR 50.59 evaluation that had been performed for a
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design change involving the installation of electrical components that would give operators
the ability to promptly cross-connect an emergency diesel generator from one unit to the
safety bus of another unit during an emergency 10 CFR 50.54(x) condition. The
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9701240044 970121
ADOCK 05000361
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Southern California Edison Co.
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inspectors questioned whether the physical installation of the design change in Unit 2
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could result in an unreviewed safety question during normal operation of the unit. In
response to this concern, we understand that you have electrically isolated the
modification and submitted a description of the modification to the NRC for further
evaluation.
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in accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter,
its enclosure (s), and your response will be placed in the NRC Public Document Room
(PDR).
Should you have any questions concerning this inspection, we will be pleased to discuss
them with you.
Sincerely,
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,
omas P. Gwynn,
irect r
Division of Reactor l3afet
Docket Nos. 50-361:50-362
Enclosure:
NRC Inspection Report
50-361/96-13:50-362/96-13
cc w/ enclosure:
Chairman, Board of Supervisors
County of San Diego
1600 Pacific Highway, Room 335
San Diego, California 92101
Alan R. Watts, Esq.
Rourke & Woodruff
701 S. Parker St. No. 7000
Orange, California 92668-4702
Sherwin Harris, Resource Project Manager
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Public Utilities Department
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City of Riverside
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3900 Main Street
Riverside, California 92522
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Southern California Edison Co.
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R. W. Krieger, Vice President
Southern California Edison Company
San Onofre Nuclear Generating Station
P.O. Box 128
San Clemente, California 92674-0128
Dr. Harvey Collins, Chief
Division of Drinking Water and
Environmental Management
California Department of Health Services
P.O. Box 942732
Sacramento, California 94234-7320
Terry Winter, Manager
Power Operations
San Diego Gas & Electric Company
P.O. Box 1831
San Diego, California 92112
Mr. Steve Hsu
Radiological Health Branch
State Department of Health Services
P.O. Box 942732
Sacramento, California 94234
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Mayor
City of San Clemente
100 Avenida Presidio
San Clemente, California 92672
Mr. Truman Burns \\Mr. Robert Kinosian
California Public Utilities Commission
505 Van Ness, Rm. 4102
San Francisco, California 94102
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Southern California Edison Co.
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Leah Tremper (OC/LFDCB, MS: TWFN 9E10)
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DOCUMENT NAME: R:\\_S023\\SO613RP.WPA
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Southern California Edison Co.
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E-Mail report to D. Nelson (DJN)
E-Mail report to NRR Event Tracking System (IPAS)
bec to DMB (IE01)
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bec distrib. by RIV:
1
L. J. Callan
Resident inspector
DRP Director
DRS-PSB
Branch Chief (DRP/F, WCFO)
MIS System
Senior Project inspector (DRP/F, WCFO)
RIV File
Branch Chief (DRP/TSS)
M. Hammond (PAO, WCFO)
Leah Tremper (OC/LFDCB, MS: TWFN 9E10)
WCFO File
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DOCUMENT NAME: R:\\_S023\\SO613RP.WPA
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