05000271/LER-1981-005-03, /03L-0:on 810120,discovered That Continuous Air Sample Was Not Being Drawn at River Station Per Tech Spec 3.9.1.Caused by Pump Failure Due to Seized Bearing.New Pump Installed.Pump Evaluation Program Established

/03L-0:on 810120,discovered That Continuous Air Sample Was Not Being Drawn at River Station Per Tech Spec 3.9.1.Caused by Pump Failure Due to Seized Bearing.New Pump Installed.Pump Evaluation Program Established

ML20003C090
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	02/20/1981
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003C088	List: 05000271/LER-1981-005, Forwards LER 81-005/03L-0 05000271/LER-1981-005-03, /03L-0:on 810120,discovered That Continuous Air Sample Was Not Being Drawn at River Station Per Tech Spec 3.9.1.Caused by Pump Failure Due to Seized Bearing.New Pump Installed.Pump Evaluation Program Established
References
LER-81-005-03L, LER-81-5-3L, NUDOCS 8102260610
Download: ML20003C090 (1)

LER-1981-005, /03L-0:on 810120,discovered That Continuous Air Sample Was Not Being Drawn at River Station Per Tech Spec 3.9.1.Caused by Pump Failure Due to Seized Bearing.New Pump Installed.Pump Evaluation Program Established

Event date:
Report date:
2711981005R03 - NRC Website

text

NRC FMO (7 77)

LICENSEE EVENT REPORT LER 81-05/3L CONTROL BLOCK: l l

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10111 74 75 REPORT C ATE 80 6d 69 EVENT 0 ATE 60 61 DOCK ET NUMBER 7

EVENT DESCRIPTION AND PROBABLE CONSECUENCES h 1-20-81. It was discovered I l o 121 l During the weekly environnental air sample collection on lo j al ] that a continuous sample was not being drawn at the river station (AT 1.3).

Tech-I lo141! nical Spec. Table 3.9.1 reauires that continuous air samnline be performed.

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release levels were monitored during this period and past experience has l

lo;3Jl plant l0!6l l Shown that these levels are undetectable by environmental air sampling and theref ore l to the health and safety of the nublic l l o 17 I I of no conscauence, or potential consecuence, I

l A previous similar occurrence was reported as RO 80-21/3L 80 Ioisl COMP.

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u 47 CAUSE DESCRIPTION AND CORRECTI'VE ACTIONS 1 : 101 l A failed pump caused the lapse in sampling and a seized bearing was found to be the I

g lcause of pump failure.

A new pump was installed in the station. A pump evaluation j l program has been established and the data generated from this program will be used l

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l Ii#3l l to formulate a pump replacement schedule.

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RELEASED OF RELEASE AMOUNT CF ACTIVITY 11 16l W @ d @ [__

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(802) 257-7711 2

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NAME OF PREPARER i

8102260(p/O 1