ML19310A448

LER 80-034/03L-0:on 800512,during Air Flow Surveillance Test on Fire Suppression Sys,Approx 50% of Sprinkler Nozzles Found Plugged.Caused by Rust & Unidentified Matl.Nozzles Will Be Cleaned & Sys Blown Down W/Air

ML19310A448
Person / Time
Site:	Beaver Valley
Issue date:	06/09/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19310A444	List: ML19310A443 ML19310A448 ML19310A453 ML19310A455
References
LER-80-034-03L, LER-80-34-3L, NUDOCS 8006170563
Download: ML19310A448 (1)

Text

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RE'ORTQAft EVENT DESCRIPTION AND PROS A8LE CONSEQUENCES O'o g lWhile performing an air flow surveillance test on the fire suppression system l l

g l sprinkler nozzles to one train of the Supplementary Leak Collection and Release The -l

@ l System (SLCRS), approximately 50% of the nozzles were found to be plugged.

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@ l consequences to this problem in case of a fire would have been a decreased spray g l flow to the charcoal filter bank. The other train of the St.CRS was available for l I

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g l Samples of the material clogging the spray nozzles were obtained and analyzed; g labout 50*. of the debris clogging the nozzles was found to be rust and the rest of I g lthe material has not been identified. The nozzles will be removed and cleaned and l g l the system blown down with air to remove any rust particles. The other train of l g l ventilation will be tested when this train is returned to service. ao t

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