ML20009F046

LER 81-013/03L-0:on 810528,during Testing of Station Battery Rated Load Test W/Plant in Cold shutdown,125 Volt Batteries 1A & 1B Discharged at Rate Greater than Required.Caused by Error in Reading Procedure.Procedure Will Be Revised

ML20009F046
Person / Time
Site:	Cooper
Issue date:	06/24/1981
From:	Lawrence L NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20009F041	List: ML20009F040 ML20009F046
References
LER-81-013-03L, LER-81-13-3L, NUDOCS 8107280629
Download: ML20009F046 (1)

Text

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,..n-NRC F ORM 356 U. S. NUCLE AR REGUL AToRY COMMISSION f 7 !!D LICENSEE EVENT REPORT CONTHOL BLOCK: l l l l l l l (PLE ASE PRINT OR YYPE ALL REoutRED INFoRMATioNI i o l o l 8i l9 IN l LICENSEEE l C CODE l P l R14l 1 15l@l 0 10 l - dCENSE ] 0 l 0NUMBER l 0 l 0 l - l 0 l 250 l 02ti l@lLICENSE 4 l 1TYPE l 1JOl 1l S1l@l l t CA I $8 l@

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@[0151218181 69 EVENT DATE I l@l OlREPORT 74 76 E l 2l 418 80l 1 l@

DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h l 0 l 2 l IWhile performing Surveillance Procedure 6.3.15.2, Station Battery Rated Load Test, j i

l 0 ,3 ; lduring cold shutdown, 125V batteries 1A and 1B were discharged at a rate greater l o 14 I lthan required. The final specific gravity readings for batteries 125V 1A,1B, &

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[ o I s 1 @50V 1B were not properly taken and recorded. Redundant batteries were available.

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OCCUR RE NCE REPORT REVISION SE QUE N TI AL Rt"JR T NO. CODE TYPE NO.

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JJ J4 35 M CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h I t 10 l l Personnel error in reading procedure. Hydrometer used to take specific gravity l i

l i l i i Ireadines af ter discharee was not of proper rance to register readines. Procedure l

1 i 121 [will be revis(d and will include a QC check of the test. Hydrometers of the proper I

lijall range are being procured.

I li i41 l 80 7 8 9 i  % POWE R OTHER STATUS 015 OV RY DISCOVERY 0ESCRIP1 TON STA s I 1 5 (Sj@ l0l0l0l@l NA l [_Bj@l Engineer Observation l ACTIV.Ty CO TENT AMOUNT OF ACTIVtTY LOCATION OF RELEASE RELE ASED OF.RELE ASE 7

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PERSONNEL EXPOSURES NUMBE R TYPE DESCRIPTION l

I t l 71 l 0 ] 0 l'O l@L7J@l NA PERsONNEi tNJU IES NUunER DESCRiPriONh l 1 a H

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• s 11 12 NA 80 t USS OF Of t DAMAGE TO F ACILITY

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L. I. Lawrence PHONE- ENCNi l $

NAVE OF P54EPARER

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