ML13324A581

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Forwards Repts Discussing SEP Topic III-6 Re Seismic Considerations for long-term Seismic Criteria & Methodology, Per 850212 Meeting Request for Addl Info
ML13324A581
Person / Time
Site: San Onofre 
Issue date: 03/29/1985
From: Medford M
SOUTHERN CALIFORNIA EDISON CO.
To: Zwolinski J
Office of Nuclear Reactor Regulation
Shared Package
ML13324A582 List:
References
TASK-03-06, TASK-3-6, TASK-RR NUDOCS 8504020152
Download: ML13324A581 (1)


Text

Southern California Edison Company P. 0.

BOX 800 2244 WALNUT GROVE AVENUE ROSEMEAD. CALIFORNIA 91770 M.O.MEDFORD TELEPHONE MANAGER, NUCLEAR LICENSING March 29, 1985 (818) 572-1749 Director, Office of Nuclear Reactor Regulation Attention:

3. A. Zwolinski, 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 Long Term Seismic Criteria and Methodology San Onofre Nuclear Generating Station Unit 1 During the meeting held with the NRC staff on February 12, 1985, additional information was requested regarding several aspects of the Long Term Service Seismic Reevaluation methodology. Accordingly, enclosed are three copies of each of the following reports:

1.

FLORA: A Program for the Direct Generation of Floor Response

2.

Correlation Coefficient for Combination of Piping Response

3.

Complete Quadratic Combination Technique for Modal Response.

These reports are provided for your review as part of the Long Term Service Seismic Reevaluation.

If you have any questions regarding this information, please contact me.

Very truly yours, cc:

M. J. Russell (EG&G Idaho) 950329 95002152 0020 PDR AOK0 D