ML13324A743

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Forwards Impell Corp 01-0310-1459, San Onofre Nuclear Generating Station Unit 1 Long-Term Svc Seismic Reevaluation Program,Technical Basis for Stress-Strain Correlation, Per SEP Topic III-6
ML13324A743
Person / Time
Site: San Onofre Southern California Edison icon.png
Issue date: 11/01/1985
From: Medford M
Southern California Edison Co
To: Zwolinski J
Office of Nuclear Reactor Regulation
Shared Package
ML13324A744 List:
References
TASK-03-06, TASK-3-6, TASK-RR NUDOCS 8511050165
Download: ML13324A743 (1)


Text

Southern California Edison Company P. 0.

BOX 800 2244 WALNUT GROVE AVENUE ROSEMEAD. CALIFORNIA 91770 M. 0. MEDFORD TELEPHONE MANAGER, NUCLEAR LICENSING November 1,

1985 (818) 302.1749 Director, Office of Nuclear Reactor Regulation Attention:

Mr.

J. 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 Service Seismic Reevaluation San Onofre Nuclear Generating Station Unit 1 The criteria and methodology for San Onofre Unit 1 Long Term Service Seismic Reevaluation program has been discussed with the NRC staff in several meetings during the past few months.

Based upon these meetings, an overall seismic qualification approach is being developed for San Onofre 1 Long Term Service Program. The purpose of this letter is to forward the proposed piping strain criteria and stress-strain correlation methodology for piping qualification at San Onofre 1 under the Long Term Service Seismic Reevaluation Program. Accordingly, 3 copies of Impell Corporation report 01-0310-1459, San Onofre Nuclear Generating Station Unit 1 Long Term Service Seismic Reevaluation Program Technical Basis for Stress-Strain Correlation dated October 7, 1985 are enclosed.

If you have any questions on the attachment, please contact me.

Very truly yours, 85110O50165 851101 LI PDR ADOCIK 05000206 141f P

PDR_

Enclosure uSe cc:

F. R. Huey, USNRC Senior Resident Inspector