ML20100G151
| ML20100G151 | |
| Person / Time | |
|---|---|
| Site: | Perry  |
| Issue date: | 04/02/1985 |
| From: | Sailer W GILBERT/COMMONWEALTH, INC. (FORMERLY GILBERT ASSOCIAT |
| To: | Taylor J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| References | |
| REF-PT21-85-163-000 PT21-85-163, PT21-85-163-000, NUDOCS 8504080092 | |
| Download: ML20100G151 (2) | |
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Gilbert / Commonwealth enaineersandconsuitants GILBERT / COMMONWEALTH, INC., P.O. Box 1498, Reading, PA 19603/Tel. 215 775-2600/ Cable Gilasoc/ Telex 836-431 April 2, 1985 l
W.F. SAILER Vice President & General Manager Quality Assurance Division United States Nuclear Regulatory Commission Office of Inspection and Enforcement Washington, DC 20555 Attention:
Mr. J. M. Taylor Re:
Potential Reportable Event Diesel Generator Building Floor Response Spectra
Dear Mr. Taylor:
This documents my report by telephone under the provisions of 10CFR21 on March 29, 1985, at approximately 3:30 p.m.Jto Mr. George Lanik.
Individual Who Reported Mr. W. F. Sailer, Vice President and General Manager, Quality Assurance Division, Gilbert / Commonwealth, Inc.
Facility Involved Perry Nuclear Power Plant, Units 1 and 2, being constructed by the Cleveland Electric Illuminating Company.
Activity / Component Involved Diesel Generator Building floor response spectra.
Nature of the Defect A change in soil parameters had been evaluated for impact on the structure accelerations, but not on the floor response spectra. The soil parameter change caused the fundamental frequency to shif t from approximately 8 cps to 3 cps horizontally, and from 14 cps to 10 cps vertically. A re-evaluation of piping and equipment is being performed. This possible defect is limited to the Diesel Generator Building of the Perry Nuclear Power Plant.
Date Information Obtained The C/C procedure for Processing Possible Reportable Events, limits the amount of time to be taken in evaluating a possible defect. The Reporting Officer was informed on March 28, 1985, that reportability cannot be determined within the time permitted by the procedure.
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Page 2 April 2, 1985 Corrective Action
~ An evaluation is in process to determine the effect, if any, of the change in response spectra on piping and equipment. We anticipate that the evaluation will be completed by May 1,1985. We will provide a status report on that
'date, including a description of any corrective action required.
If you require any further information, please call me at (215)775-2600, Extension 7543.
Very truly yours,
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. W. F.
ailer Vice President & General Manager Quality Assurance Division WFS:kb cc:
H. Lorenz C. D. Williams K. R. Pech - CEI J. M. Taylor - (2)
G. G. Zech - Vendor Program Branch, NRC Document Management Branch, NRC i
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