05000334/LER-1981-012-03, /03L-0:on 810203,all Three Chlorine Detectors Failed Drip Rate Criteria.Cause Under Investigation. Detectors Repaired & Declared Operable 810204

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/03L-0:on 810203,all Three Chlorine Detectors Failed Drip Rate Criteria.Cause Under Investigation. Detectors Repaired & Declared Operable 810204
ML20003C113
Person / Time
Site: Beaver Valley
Issue date: 02/20/1981
From: Lacey W
DUQUESNE LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003C105 List:
References
LER-81-012-03L, LER-81-12-3L, NUDOCS 8102260647
Download: ML20003C113 (2)


LER-1981-012, /03L-0:on 810203,all Three Chlorine Detectors Failed Drip Rate Criteria.Cause Under Investigation. Detectors Repaired & Declared Operable 810204
Event date:
Report date:
3341981012R03 - NRC Website

text

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8 80 el OOCsLET huweER event OESCMIPTION AND PROSASLE CONSEQUENCES h l While performing a surveillance test on the control room chlorine detector system l

o 2 st 0945 hours0.0109 days <br />0.263 hours <br />0.00156 weeks <br />3.595725e-4 months <br />, it was discovered that all three chlorine detectors had failed their i o

l The detectors were declared inoperable and the operation of thel ITTTI I drip rate criteria.

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' g 3 system continued in accordance with Technical Specification 3.3.3.7.

1 fourteenth reported event involving tiae chlorine detectors.

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g l The detectors were repaired and declared operable on 2/4/81.

repeated failures of the detectors to function properly has not been satisfactorily 1 i i l g identified. The problem is being investigated to determine the corrective actions. l I

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i Attachment To LER 81-12/03L l

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Duquesne Light Company Docket No. 50-334 b

No further information is available or needed to satisfy the reporting requirement.

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