05000269/LER-1981-004-03, /03L-0:on 810212,primary Level Indication for Elevated Water Storage Tank Was Declared Inoperable Following Low Water Level Alarms.Caused by Loose Connectors on Air Compressor Starter Terminals.Connections Tightened

/03L-0:on 810212,primary Level Indication for Elevated Water Storage Tank Was Declared Inoperable Following Low Water Level Alarms.Caused by Loose Connectors on Air Compressor Starter Terminals.Connections Tightened

ML20005A824
Person / Time
Site:	Oconee
Issue date:	03/13/1981
From:	Jackie Jones DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20005A822	List: 05000269/LER-1981-004, Forwards LER 81-004/03L-0.Detailed Event Analysis Encl 05000269/LER-1981-004-03, /03L-0:on 810212,primary Level Indication for Elevated Water Storage Tank Was Declared Inoperable Following Low Water Level Alarms.Caused by Loose Connectors on Air Compressor Starter Terminals.Connections Tightened
References
LER-81-004-03L-01, LER-81-4-3L-1, NUDOCS 8107010339
Download: ML20005A824 (1)

LER-1981-004, /03L-0:on 810212,primary Level Indication for Elevated Water Storage Tank Was Declared Inoperable Following Low Water Level Alarms.Caused by Loose Connectors on Air Compressor Starter Terminals.Connections Tightened

Event date:
Report date:
2691981004R03 - NRC Website

text

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u.s.uuctaAa RecuuTony commissica 01Tl IJCENSEE EVENT REPORT EXNIBIT A CONTRot.SLaC4 l l l l l I.Q I

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l I"3"ITI Dn Februarv 12, 1981, the level indication for the EWST was declared inoperable [

A khen the control room indicator showed 0% water level. During this incident.

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lo!.iIthe EWST was verified full by use of the Heise Gauge in the turbine building, g

I o e s i i Also both HPSW oumps were manually operable. Thus, this incide.nt was of no g

totoi!sienificance with respect to safe operation, and the health and safety of the lo 6 71 l oublic were not af fected.

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li i o i I The crimarv cause was loose connectors on the air compressor starter terminals.,

lieii1A second significant cause was the sticking valves fgr the area evacuation m Ihorn. All connections on the motor starter were tightened. All solencia m I valves for the area evacuation horn were replaced.

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