05000333/LER-1981-012-04, /04L-0:on 810120,found Offgas Vent Pipe (Stack) Sample Pumps Had Been Off Since Loss of Instrumentation Power Resulting in Plant Hot Shutdown Condition.Caused by Design Deficiency.Sample Pumps Started

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/04L-0:on 810120,found Offgas Vent Pipe (Stack) Sample Pumps Had Been Off Since Loss of Instrumentation Power Resulting in Plant Hot Shutdown Condition.Caused by Design Deficiency.Sample Pumps Started
ML20003B842
Person / Time
Site: FitzPatrick Constellation icon.png
Issue date: 02/19/1981
From: W. Verne Childs
POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003B838 List:
References
LER-81-012-04L, LER-81-12-4L, NUDOCS 8102250666
Download: ML20003B842 (1)


LER-1981-012, /04L-0:on 810120,found Offgas Vent Pipe (Stack) Sample Pumps Had Been Off Since Loss of Instrumentation Power Resulting in Plant Hot Shutdown Condition.Caused by Design Deficiency.Sample Pumps Started
Event date:
Report date:
3331981012R04 - NRC Website

text

NRC FORM 056 u. S. NUCLE AR REGUL AfoRY COMMISSION (7 77)

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6 60 61 OOCK ET NUYB ER 64 69 EVENT DATE 14 75 RE ACRT OATE 60 EVENT DESCRIPTION AND PRC9 ASLE CONSECUENCES h t o j 21 l lNTERIM REPORT:

During normal shutdown it was discovered that the off gas vent I

lo 6 ai l pipe (stack) sample pumps had been-off since a loss of instrumentation power

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lojai l about 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> earlier. While power had been restored within 10 minutes. the 1

10151 I sample pump control circuit does not automatically restart the pumps.

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