ML19332A111

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Advises of 800708 Expiration Date for Item 2 Re IE Bulletin 80-17, Failure of 76 of 185 Control Rods to Fully Insert During Scram at Bwr. Addl Parameter Is Being Considered to Determine Pressure Variation During Test Scrams
ML19332A111
Person / Time
Site: Cooper Entergy icon.png
Issue date: 07/07/1980
From: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To: Pilant J
NEBRASKA PUBLIC POWER DISTRICT
Shared Package
ML19332A112 List:
References
IEB-80-17, NUDOCS 8009100674
Download: ML19332A111 (1)


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July 7, 1980

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s Docket No. 50-298 Nebraska Public Power District ATTN:

J. M. Pilant, Director Licensing & Quality Assurance Post Office Box 499 Columbus, Nebraska 68601 Gentlemen:

This is to inform you that the time clock on Item 2 of IE Bulletin 80-17

" Failure of Control Rods to Insert During a Scram at a BWR" will start at 12:01 a.m. on July 8, 1980. As stated in the Bulletin the test should be completed within 20 days.

If the test would cause a severe impact on power reliability, promptly notify the Licensing Project Managers of the Office of Nuclear Reactor Regulation for your facility (ies) by telephone.

An additional parameter is being considered for measurement to determine the pressure variation with time in each of the headers of the Scram Discharge Volumes (SDV) during the test scrams.

The NRC requests imediate notification of any malfunction identified during the surveillance tests or special tests conducted in accordance with the Bulletin 80-17.

Sincerely, W0kl Karl V. Seyfrit Director cc:

L. C. Lessor, Superintendent Cooper Nuclear Station P. O. Box 98 Brownville, Nebraska 68321 8009100674

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