ML20009D718
| ML20009D718 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 06/30/1981 |
| From: | Parker W DUKE POWER CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| IEB-80-11, NUDOCS 8107240289 | |
| Download: ML20009D718 (2) | |
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's DUKE POWER COhiPANY Powra Butt.oxxo 422 SouTu Cut:acu SrazzT, Caunt.oTTE, N. C. 28242 a
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retc.-o c:4ac 704 src.- eaoouct o June 30, 1981 a n-4osa Mr. James P. O'Reilly, Director U. S. Nuclear Regulatory Commission m
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101 Marietta Street, Suite 3100 v
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g-1 N w u L. l }D Atlanta, Georgia 30303 ti JUL 2 31981
- 5 Re: Oconee Nuclear Station pt IE Bulletin 80-11 u.s. 453,o,.
Docket Nos. 50-269, -270, -287' b
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Dear Sir:
Your letter of March 13, 1981 requested interim progress reports during the analysis and evaluation phase of IE Bulletin 80-11 work. Attachment 1 details the present status of analysis.
A program of repairs has been initiated on selected walls at Oconee. The walls chosen are generally taller (approximately 18' to 19') than the typical walls at the station (approximately 12' to 14') and/or are located in areas anticipated to experience greater seismic accelerations. Analysis has not shown these walls to be unsafe in their existing configuration, tut an added margin of safety will be provided by the upgra'es.
We are presently responding to a series of detailed questions from the Struc-tural Engineering Branch of the NRR staff concerning masonry wall re-evaluation techniques. You will he provided a copy of our response when it is submitted.
Ve truly yours, f
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Attachment
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I 0107240289 810630 PDR ADOCK 05000269 0
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OCONEE NUCLEAR STATION UNITS 1-3 ANALYSIS AND EVALUATION STATUS JUNE 30, 1981 Number of Qualified
. Percent Walls By Analysis Complete Priority I 175 174 98%
Priority II 266 21 7 60%
Priority III 42
_7 10%
TOTAL 483 398
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