ML19343B426

LER 80-110/03L-0:on 801201,charcoal Test Cell in 1B Main Filter Bank Found Passing Flow Over Tech Spec Limit.Caused by Workmen Error in Not Replacing Cell in June 1980.Cell Replaced

ML19343B426
Person / Time
Site:	Beaver Valley
Issue date:	12/16/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19343B425	List: ML19343B424 ML19343B426
References
LER-80-110-03L, LER-80-110-3L, NUDOCS 8012230445
Download: ML19343B426 (2)

Text

ONec pOgnu les U. S. NUCLE A2 CEGULATOAY COMMISSION I1.TH *

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CONT

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atPo47 EVENT CEscalPTION ANO emCO A8LE CONSECUENCES h

[TTTIl Test personnel reported on 12/1/80 that a charcoal test ec11 in the IB Main Filter I A 1 Bank was passing flow in excess of the limits of Technical Specification 4.7.8.1.c.21 f

W lSince the flow throuch this cell oniv exceeded allowed limits by six pereene, I

Q lexpected accident finv throuch the filter bank is below desten, and the redundant o 6 l bank was available. the health and cafety of the cublic was not ieccardized. I l

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CAuss otsCainTioN AND CCRRECTIVE ACTICNS h i o lThis cell was not replaced in June of 1980 when the other 59 were, because it was Ithe test cell and had a different appearance which may have confused the workmen. I i i I

g lOnce discovered, it was replaced and, on December 2, 1980, the filter flow l

g l surveillance test was ruccessfully completed. This test procedure was revised to i 4 i preclude the use of test cells in the future. so I

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Attachment To LER 80-110/03L Beaver Valley Power Station Duquesne Light Company Docket No. 50-334 No further information is available or needed to satisfy the repor' ting requirement.

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