ML19343C218

AO 50-219/75-33:on 751212,during 6-month Load Test on Station a batteries,125 Volt Dc Distribution Ctr de-energized.Caused by Personnel Error in Following Procedure.Distribution Ctr re-energized

ML19343C218
Person / Time
Site:	Oyster Creek
Issue date:	12/23/1975
From:	Ross D JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
AO-50-219-75-33, RO-751223, NUDOCS 8103020649
Download: ML19343C218 (1)

Text

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During a routine 6-month load test on A station batteries, personnel EVENT DESCRIPTION g5 jerror in following procedure 601.2.2 caused the 125 volt D.C. distribution center to I

7 8 'De deenerg1 Zed.

Af ter reenerg1 Zing the center, the A, C and E recirculation pumps, et M [A feedwater pump and cleanup system A recirculation pump tripped. _(This is expected 7 8 9for the return of D.C. power).

Plant shutdown cr venced Inmediately Decause 01_

l Oc EE llicense requirements.

Recirculation pumps became operable and load reduction was l

7 8 9 terminated.

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7 89 10 11 12 17 43 44 47 du CAUSE DESCRIPTION personnel error in following procedure 601.2.2 caused the 125 volt

@ l D.C. distribution center to be deeneraiZed.

The distribution center was immediately l

7 89 reenergized. A change has been drafted to existing procedure 601.2.2 to define eo E l mnra clearly the steps to be taken in preparation for conducting the battery load l

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10 11 44 45 60 PERSONNEL EXPOSURES NUMBE R TvPE DE SCMTON 10101 of LZj i

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i 7 89 11 12 13 80 PERSONNEL INJUAIES Nu' O A CE SCA,pT ON 7 89 11 12 80 OFFSITE CONSEQUENCES DE l NA l

7 85 80 LOSS OR OAMAGE TO FACILITY i e s *E DE SCropiirira l

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1 7 89 10 60 PUBLICiT Y l

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1 7 89 60 t.ODiTIONAL FACTORS DE I I

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