ML20141F058

Confirms Commitments Made During 970509 Meeting Re Findings of Eggcrate Degradation in Plant SGs

ML20141F058
Person / Time
Site:	San Onofre
Issue date:	05/16/1997
From:	Nunn D SOUTHERN NUCLEAR OPERATING CO.
To:	Roe J NRC (Affiliation Not Assigned)
References
NUDOCS 9705210194
Download: ML20141F058 (2)

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50tJYHERf1 Calif 0RMA s EDISON v:#da? ,

An LDISON INTERNATIONAL Company May 16, 1997 U. S. Nuclear Regulatory Comission Attention: Jack W. Roe, Director ,

DivisionofReactorProjectsIII/IV Washington D. C. 20555

Subject:

Docket No. 50-362 Steam Generators San Onofre Nuclear Generating Station Unit 3

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On May 9, 1997 Southern California Edison (Edison) met with the staff of the Nuclear Regulatory Comission (NRC) to describe recent findings of eggcrate '

degradation in the San Onofre Unit 3 steam generators. The purpose of this letter is to confinn certain comitments made during that meeting.

At the meeting with the NRC on May 9. Edison presented the results of ,

inspections performed on the secondary side of the Unit 3 steam generators 1 which identified areas of degradation of the eggerates. Edison's preliminary ,

assessment of the condition was discussed along with a detailed discussion of l the analysis being performed to confirm that design basis requirements are met with the degraded eggcrates. Our plan for a comprehensive visual inspection of the eggcrates during the current outage was also presented.

During the May 9 meeting, Edison comitted to submit a report of our ,

evaluatiori of the condition of the Unit 3 steam generators at least 7 days l prior to entry into Mode 4. It is our intent that this report be a high quality, comprehensive report addressing the conclusions of our evaluation and i the bases for our conclusions. Following submittal of this report, Edison )

will meet with the NRC staff in Washington D. C. to discuss this evaluation ll prior to Mode 4 entry. . During the May 9 meeting, Edison also comitted to  ; j submit a final report 90 days af ter restart from the current refueling outage.

I 9705210194 970516  ! I ADOCK 05000362 2 0_, PDR e em I

P. O. Box 128 San Clemente, CA 926744128 714 368 1480 .....-

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Fax 714 3681490

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Jack W. Roe, Director i I

If there are any significant changes in our findings or our planned actions,  ;

Edison will inform the NRC staff as soon as possible. If you have any  :

questions on our connitments or ongoing activities, please call me. j Sincerely, [

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.i cc: E. W. Herschoff, Regional Administrator, NRC Region IV ,

K. E. Perkins,- Jr., Director, Walnut Creek Field Office, NRC Region IV {

J. A. Sloan, NRC Senior Resident Inspector, San Onofre Units 2 & 3  :

M. B. Fields, NRC Project Manager, San Onofre Units 2 and 3 Nuclear Regulatory Connission, Document Control Desk i

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