ML13310A802

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Responds to 830402 Request for Addl Info Re Vertical Ground Response Spectrum Used for SEP Topic III-6, Seismic Design Considerations. Addl Info Requirements & Actions Will Be Determined Following Meetings W/Nrc
ML13310A802
Person / Time
Site: San Onofre Southern California Edison icon.png
Issue date: 06/13/1983
From: Baskin K
Southern California Edison Co
To: Crutchfield D
Office of Nuclear Reactor Regulation
References
TASK-03-06, TASK-3-6, TASK-RR NUDOCS 8306150303
Download: ML13310A802 (1)


Text

Southern California Edison Company P. O. BOX 800 2244 WALNUT GROVE AVENUE ROSEMEAD. CALIFORNIA 91770 K. P. BASKIN June 13, 1983 TELEPHONE MANAGER OF NUCLEAR ENGINEERING, 213) 572.1401 SAFETY, AND LICENSING Director, Office 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:

Docket No. 50-206 Vertical Ground Motion SEP Topic 111-6 San Onofre Nuclear Generating Station Unit I Your letter dated April 2, 1983 discussed information which relates to the definition of vertical response spectra. Based on this, your letter requested additional information regarding the vertical ground response spectrum being used for the seismic reevaluation of San Onofre Unit 1.

As discussed with your staff, it is our intention to meet with the NRC staff to obtain an understanding of the NRC concerns on this matter.

Following those discussions, we will determine what additional actions may be necessary to resolve the NRC's concerns.

If you have any questions on this matter, please let us know.

Very truly yours, 8306150303 830613 PDR ADOCK 05000206 P

?DR

.