ML20003C090

LER 81-005/03L-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

ML20003C090
Person / Time
Site:	Vermont Yankee
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: ML20003C087 ML20003C090
References
LER-81-005-03L, LER-81-5-3L, NUDOCS 8102260610
Download: ML20003C090 (1)

Text

NRC FMO (7 77)

LICENSEE EVENT REPORT LER 81-05/3L

1. CONTROL BLOCK: l i

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(PLEASE PAINT OR TYPE ALL REQUIRED INFORMATIONI

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T 3d 14 t$ LICENSE NUMBER 7 L1CENSEE CODE 4

CON'T 10111 3[,7"CI l L}@l 0 15 l 0 10 l 0 12 6dl 7 69l 1 @l 0 l 1 l 2 l 0 l8l1j@l012121Ol8!1l@

EVENT 0 ATE 74 75 REPORT C ATE 80 7 $ 60 61 DOCK ET NUMBER EVENT DESCRIPTION AND PROBABLE CONSECUENCES h l o 121 l During the weekly environnental air sample collection on 1-20-81. It was discovered I Tech- I lo j al ] that a continuous sample was not being drawn at the river station (AT 1.3).

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

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

Ioisl l A previous similar occurrence was reported as RO 80-21/3L 80 COMP. VA LV E SYSTEM CAUSE CAUSE SUSCOCE SUSCODE COMPONENT CODE SusCCCE CCCE CODE loist 8

I 8181@ l El@ l Bl@ l Pl UI Ml Pl Xl Xlh l Hl@ l Zl@

9 to 11 12 12 18 19 20 REVISION 7 OCCU R RENCE REPORT SEQUENTIAL No.

CCCE TYPE EVENT YE AR R EPORT NO.

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e u 47 JJ J4 CAUSE DESCRIPTION AND CORRECTI'VE ACTIONS I

1 : 101 l A failed pump caused the lapse in sampling and a seized bearing was found to be the g lcause of pump failure. A new pump was installed in the station. A pump evaluation j l

g,#7, l program has been established and the data generated from this program will be used l

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

I LLL.)8 9I 7

80 DI O RY OrSCoVERY DESCRIPTION STA  % PCWER OTHER STATUS l

NA l [,_g,,l@l Technician Observation l

l1 15 l l E l@ l Ol 9 l 9 lhl A TIVITY CO TENT LOCATION OF RELEASE RELEASED OF RELEASE AMOUNT CF ACTIVITY l NA l NA l

11 16l 7 8 9 W @ d10 @ [__ 11 44 45 80 PE ASONNEL EXPCSURES NUM8tR TYPE C ESCRIPTION l j

NA l l t i 7 l l 0 l 0 l 0 l@l Zl@l *

' * ' PERScNNE't' iN;UdiES ' -

NUMBER DESCRIPTION @ I NA li I a l 1010101@l12 7 8 9 11 LOSS OF CR OAMAGE TO F ACtLITY TvPE CESCRt# TION ]

NA l : l 9 l l Z l@lto 1 7 3 3

• 45UE DE CRIPTION llll l llII11Il1 NA l I 2 i o l l N lhl 68 69 30 %

• PHONE: (802) 257-7711 2 NAME OF PREPARER 8102260(p/O i

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