ML13324A442

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Forwards Electrical Raceway Support Implementation Plan for Return to Svc, Per SEP Topic III-6, Seismic Design Considerations
ML13324A442
Person / Time
Site: San Onofre Southern California Edison icon.png
Issue date: 10/02/1984
From: Medford M
Southern California Edison Co
To: Paulson W
Office of Nuclear Reactor Regulation
Shared Package
ML13324A443 List:
References
TASK-03-06, TASK-3-6, TASK-RR NUDOCS 8410050239
Download: ML13324A442 (1)


Text

Southern California Edison Company C

P. 0. BOX 800 2244 WALNUT GROVE AVENUE ROSEMEAD, CALIFORNIA 91770 M.O. MEDFORD TELEPHONE MANAGER, NUCLEAR LICENSING October 2, 1984 (213) 572-1749 Director, Office of Nuclear Reactor Regulation Attention: W. A. Paulson, Acting Chief Operating Reactors Branch No. 5 Division of Licensing U. S. Nuclear Regulatory Commission Washington, D.C.

20555 Gentlemen:

Subject:

Docket No. 50-206 SEP Topic 111-6 Seismic Design Considerations San Onofre Nuclear Generating Station Unit 1 The purpose of this letter is to submit the enclosed report entitled, "Electrical Raceway Support Implementation Plan for Return to Service, San Onofre Nuclear Generating Station, Unit 1," dated September 1984. The report describes the electrical raceway support seismic reevaluation and upgrade plan which is being implemented as part of our return to service efforts at San Onofre Unit 1. The report also provides the basis for concluding that with the implementation of the identified modifications to raceway supports, the raceway system will have a seismic withstand capability of.67g without impairment of the overall integrity of the system and without impairment of the capability to achieve and maintain hot standby conditions.

If you have any questions or desire additional information regarding this subject, please contact me.

Very truly yours, Enclosure oo o'o1oo P0