ML20148F378

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Forwards Final Rept on Lower Pump Cubicles,Significant Deficiency 78-02.Redesign of Equip Is in Progress
ML20148F378
Person / Time
Site: Beaver Valley
Issue date: 09/22/1978
From: Woolever E
DUQUESNE LIGHT CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20148F369 List:
References
NUDOCS 7811070377
Download: ML20148F378 (1)


Text

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435 Sixth Avenue Pittsburgh, Pennsylvania ss25s September 22, 1978 United States Nuclear Regulatory C nn;ssion Region I 631 Park Avenue King of Prussia, PA 19406 ATTENTION:

MR. BOYCE H.

GRIER, DIRECTOR

SUBJECT:

Beaver Valley Power Station - Unit No. 2 Lower Pump Cubicles - Inadequate Structural Design Docket No. 50-412 Significant Deficiency Report No. 78-02 Gentlemen:

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A review of the structural design calculations for tie Lower Pump Cubicles, in response to a construction request to modify concrete reinforcement, revealed that the design was inadequate when all loading conditions were considered.

The problem was reported to Mr. Richard McGaugh of the Nuclear Regulatory Commission, Region I, on August 24, 1978.

Pursuant to the requirements of 10CFR50.55(e), the final report on this problem is attached for your review.

Redesign of the Lower Pump Cubicles is currently in progress.

If you have any questions concerning this report, we are available to meet with Nuclear Regulatory Commission personnel at their convenience.

DUQUESNE LIGHT COMPANY J

By D/ U. Woolever Vice President cc:

Dr. E. Volgenau (15)

Mr. William G. Mcdonald 7811070371 i