05000334/LER-1980-110-03, /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

/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: 05000334/LER-1980-110, Forwards LER 80-110/03L-0 05000334/LER-1980-110-03, /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
References
LER-80-110-03L, LER-80-110-3L, NUDOCS 8012230445
Download: ML19343B426 (2)

LER-1980-110, /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

Event date:
Report date:
3341980110R03 - NRC Website

text

O Nec pOgnu les U. S. NUCLE A2 CEGULATOAY COMMISSION I1.TH LICENSEE EVENT REPORT n@

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tv gest Q Af g le is atPo47 0 Af t 80 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 W lSince the flow throuch this cell oniv exceeded allowed limits by six pereene, f

Q lexpected accident finv throuch the filter bank is below desten, and the redundant I

o 6 l bank was available. the health and cafety of the cublic was not ieccardized.

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

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

g l surveillance test was ruccessfully completed. This test procedure was revised to l

i preclude the use of test cells in the future.

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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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