ML20004B074
| ML20004B074 | |
| Person / Time | |
|---|---|
| Site: | Zimmer |
| Issue date: | 05/21/1981 |
| From: | Borgmann E CINCINNATI GAS & ELECTRIC CO. |
| To: | Fiorelli G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, QA-1431, NUDOCS 8105270188 | |
| Download: ML20004B074 (1) | |
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THE CINCINNATI GAS & ELECTRIC COMPANY 16 CINCINNATL QHio 45201 May 21, 1981 QA-1431 C. A. 80ROMANN Steesce veCC Pets > Drest 4h
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U. S. Nuclear Regulatory Commission
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Region III 799 Roosevelt Road nC~
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.j Attention: Mr. G. Fiorelli, Chief Reactor Construction & Engineering i
f-Support Branch RE: WM. H. ZIMMER NUCLEAR POWER STATION - UNIT I 10CFR50.55(e) M-27, GALLING OF POWELL VALVES DOCKET N0. 50-358, CONSTRUCTION PERMIT NO.
CPPR-88, W. O. #57300-957, JOB E-5590 Gentlemen:
On April 6,1981, the NRC Site Senior Resident Inspector was notified by phone of a possible 10CFR50.55(e) condition regarding galling of the discs and seat rings in six Powell Gate Valves supplied for the referenced project.
Cincinnati Gas & Electric Company is investigating the cause of this prablem with the assistance of a metallurgical consultant.
A report will be submitted by July 10, 1981.
Very truly yours,
'TNE CINCINNATI GAS & ELECTRIC COMPANY l
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E. A. BORGMANN SENIOR VICE PRESIDENT DJS:ec cc: NRC Resident Inspector 9 /q Attn:
T. Daniels Q
NRC Office of Inspection & Enforcement /
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Washington, D. C. 20555 h
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