05000334/LER-1981-070-03, /03L-0:on 810729,review of Containment Isolation Valve Stroke Time Surveillance Test Showed That Four Containment Purge & Exhaust Dampers Exceeded Required Stroke Time.Caused by Personnel Error

/03L-0:on 810729,review of Containment Isolation Valve Stroke Time Surveillance Test Showed That Four Containment Purge & Exhaust Dampers Exceeded Required Stroke Time.Caused by Personnel Error

ML20010F826
Person / Time
Site:	Beaver Valley
Issue date:	08/28/1981
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010F820	List: 05000334/LER-1981-070, Forwards LER 81-070/03L-0 05000334/LER-1981-070-03, /03L-0:on 810729,review of Containment Isolation Valve Stroke Time Surveillance Test Showed That Four Containment Purge & Exhaust Dampers Exceeded Required Stroke Time.Caused by Personnel Error
References
LER-81-070-03L, LER-81-70-3L, NUDOCS 8109110382
Download: ML20010F826 (2)

LER-1981-070, /03L-0:on 810729,review of Containment Isolation Valve Stroke Time Surveillance Test Showed That Four Containment Purge & Exhaust Dampers Exceeded Required Stroke Time.Caused by Personnel Error

Event date:
Report date:
3341981070R03 - NRC Website

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60 61 OOCK ET NLV8 ER 68 69 EVENT C ATE 74 75 RE* ORT OATE 80 EVENT CESCRIPTION AND PROB ABLE CONSEQUENCES h iol2; ) On 7/29/81 with the reactor plant in hot shutdown, a review of the containment I

isolation valve stroke time surve111arre test completed on this date was made.

I ggl gol4; ; The review showed that the (4) containment purge and exhaust dampers tested on I

iol3; j 7/21/81 had exceeded their required stroke times for entry into hot shutdown i

10 l61 l (Mode 4) from cold. shutdown (Mode 5).

There was no safety imn11 cations sinco l

l: I7l l the purce and exhaust systens were not in service in hot shir e d nun nnd rho valvos l

l 1314 ! l were closed and de-energized prior to enterine this ando_

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Attachment to LER 81-70/03L Beaver Valley Power Station Duquesne Light Company Locket No. 50-334 No further information is available or needed to satisfy the reporting requirement.

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