ML19345G495

Interim Deficiency Rept Re 1-inch Diameter Hilti kwik-bolt Anchors (M-26).Evaluation to Determine Significance of Problem at Plant Site Per Ae Review Is Not Finalized.Final Rept Will Be Provided by 810501

ML19345G495
Person / Time
Site:	Zimmer, 05000538
Issue date:	03/31/1981
From:	Borgmann E CINCINNATI GAS & ELECTRIC CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
10CFR-050.55E, 10CFR-50.55E, QA-1411, NUDOCS 8104070385
Download: ML19345G495 (1)

Text

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b1 THE CINCINNATI GAS & ELECTRIC COMPANY dw em * =

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q cincinuari.omo eroi March 31, 1981

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U. S. Nuclear Regulatory Comission

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Attention: Mr. J. G. Keppler, Of rector N RE: WM. H. ZIMMER NUCLEAR POWER STATION UNIT I POTENTIAL 50.55(e) - ONE-INCH OIAMETER HILTI KWIK-BOLT ANCHORS (M-26), CONSTRUCTION PERMIT CPPR 88, DOCKET NO. 50-538, W. O.

1. 57300-957, JOB E-5590 Gentlemen:

This letter constitutes an interim report on the subject anchors.

Preparation of a final report.was anticipated by todty's date, however, the evaluation to detennine the significance of this oroblem on the Zimer site, based on our architect-engineer's review of those supports utilizing 1"O expansion anchors with embedded lengths of 80, is not finalized.

We anticipate the evaluation will be completed by mid April,1981, and our final report submitted to your office by May 1,1981.

. ;Very truly yours, u THE CINCINNATI GAS & ELECTRIC COMPANY By E. A. BORGMANN SENIOR.VICE PRESIDENT

OCK:ec cc: NRC Resident Inspector Attn: F. T. Daniels NRC Office of Inspection & Enforcement -

30/f.

Washington, D. C. 8 ll 5 "' *4 a v o 2ss - -