ML13317A682

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Forwards Balance-of-Plant Mechanical Equipment & Piping, Seismic Re-evaluation Criteria. Rept Describes Methodology & Criteria to Be Used in Seismic re-evaluation Program Transmitted in
ML13317A682
Person / Time
Site: San Onofre Southern California Edison icon.png
Issue date: 10/08/1981
From: Baskin K
Southern California Edison Co
To: Crutchfield D
Office of Nuclear Reactor Regulation
Shared Package
ML13317A683 List:
References
TASK-03-06, TASK-3-6, TASK-RR NUDOCS 8110140149
Download: ML13317A682 (1)


Text

Southern California Edison Company P. 0. BOX 800 2244 WALNUT GROVE AVENUE ROSEMEAD. CALIFORNIA 91770 K. P. BASKIN TELEPHONE MANAGER OF NUCLEAR ENGINEERING, October 8, 1981 (213) 572-1401 SAFETY, AND LICENSING Director of Nuclear Reactor Regulation Attention: D. M. Crutchfield, Chief Operating Reactors Branch No. 5 Division of Licensing U. S. Nuclear Regulatory Commission Washington, D.C.

20555 Gentlemen:

Subject:

SEP Topic 111-6 Seismic Design Considerations San Onofre Nuclear Generating Station Unit 1 By letter dated July 7, 1981 we provided a description of the scope of the program for the Balance of Plant Mechanical Equipment and Piping (BOPMEP) Seismic Reevaluation Program. Provided as an enclosure to this letter is a description of the methodology and criteria to be used in this program. Delay of submittal of this information has been discussed with the NRC Staff.

It.

should be noted that accident mitigating systems are not included in the scope of the BOPMEP Seismic Reevaluation Program as was indicated in our July 7, 1981 letter. Accident mitigating systems will be reevaluated as part of a separate program to be initiated following completion of the BOPMEP program. However, it is currently planned that the methodology and criteria provided in the enclosure to this letter will also be used for the accident mitigating system seismic reevaluation program.

If you have any questioos or require additional information, please let us know.

Very truly yours,

/o3s 811140149 811008f

'PDR ADOCK 05000206/

P PDR,'

Enclosure