ML20008F930

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Discusses Status of Deficiency Rept Re Tube Failures in Fuel Pool Heat Exchangers Mfg by Yuba Heat Transfer Co. Investigation Continuing.Final Rept within 60 Days
ML20008F930
Person / Time
Site: Zimmer
Issue date: 05/06/1981
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-1422, NUDOCS 8105120351
Download: ML20008F930 (1)


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THE CINCINNATI GAS & ELECTRIC COMPANY CINCINNATI,OHto 4520t May 6, 1981

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U. S. Nuclear Regulatory Connission f pg 11130'*'" h Region III 6- #

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  • Attention: Mr. G. Fiorelli, Chief Reactor Construction & Engineering Support Branch RE: WM. H. IIMMER NUCLEAR POWER STATION - UNIT I 10CFR50.55(e) M-28, YUBA HEAT TRANSFER C0.,

FUEL POOL HEAT EXCHANGERS, CONSTRUCTION PERMIT CPPR 88, DOCKET NO. 5C-358, W. O. 57300-957 J08 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 tube failures in the Fuel Pool Heat Exchangers which appeared to be due to an excessive tube vibration situation.

Cincinnati Gas & Electric Co. is continuing to investigate this item.

The present status of this investigation indicates that the item is not report-able under 50.55(e).

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A final report will be submitted within sixty (60) days.

l Very truly yours, THE CINCINNATI GAS & ELECTRIC COMPANY l

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E. A. BORGMANN SENIOR VICE PRESIDENT f$ f M'L i

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! DJS:ec cc: NRC Resident Inspector f Attn: F. T. Daniels NRC Office of Inspection & Enforcement l

Washington, D. C. 20555 S

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