ML19341A213

LER 80-118/03L-0:on 801217,during Chlorine Detection Sys Surveillance test,101A,B & C Detectors Electrolyte Found Not Dripping.Caused by Vacuums in Fluid Tanks & Clogged Glass Orifices.Wicks Replaced & Orifices Cleaned

ML19341A213
Person / Time
Site:	Beaver Valley
Issue date:	01/14/1981
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19341A205	List: ML19341A204 ML19341A207 ML19341A208 ML19341A213
References
LER-80-118-03L, LER-80-118-3L, NUDOCS 8101220392
Download: ML19341A213 (2)

Text

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$ GO GI DOCit ET Nuust R e4 EVEmer ossCaierioN AND PRoSA8tE CONSEQUENCES h O 2 l On 12/17/80, while performing the surveillance test on the chlorine detection l

@ l svstem. It was discovered that the 101A, 101n and 101C detectors' electrolvte was Q lnot dripping. After breakinc the vacuum in the 101C detector, it becan to drip at I

@l lekproperrate. The remaining detectors were declared out of service and the 101A l l

ITTel 1 detector was tripped. Operation continued in accordance with Technical l Specification 3.3.3.7. This was the ninth failure of this type at BVPS.

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CAUSE DEscalPTION AND CORRECTIVE ACTIONS @

fi"'IT) l The fluid tanks were under slight vacuums and the wicks and glass orifices were I

i i I clocced. The wicks were replaced, the orifices cleaned, and the top vent filters I

, , ) were loosened. Engineering has been requested to evaluate this system due to the l l

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Attachment To I.ER 80-118/011.

Beaver Valley Power Station Duquesne 1.ight Company Docket :.'o. 50-334 No further information is available or needed to satisfy the reporting requirement.

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