05000315/LER-1985-033, :on 850725,during Insp of Containment,Senior Reactor Operator Noticed Condensation Backed Up Due to Open Floor Drain Valve.Caused by Employee Error.Valve Immediately Closed

:on 850725,during Insp of Containment,Senior Reactor Operator Noticed Condensation Backed Up Due to Open Floor Drain Valve.Caused by Employee Error.Valve Immediately Closed

ML20137F878
Person / Time
Site:	Cook
Issue date:	08/23/1985
From:	Baker K INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML20137F864	List: 05000315/LER-1985-033, :on 850725,during Insp of Containment,Senior Reactor Operator Noticed Condensation Backed Up Due to Open Floor Drain Valve.Caused by Employee Error.Valve Immediately Closed 05000315/LER-1985-034, :on 850726,inner & Outer 612-ft Elevation Airlock Doors Opened Simultaneously.Caused by Door Malfunction.Doors Immediately Closed,Restoring Containment Integrity.Door Latching Mechanism Restored to Status ML20137F861
References
LER-85-033, LER-85-33, NUDOCS 8508270113
Download: ML20137F878 (1)

LER-1985-033, on 850725,during Insp of Containment,Senior Reactor Operator Noticed Condensation Backed Up Due to Open Floor Drain Valve.Caused by Employee Error.Valve Immediately Closed

Event date:
Report date:
3151985033R00 - NRC Website

text

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D U S. NUCLEAGI f.EIULATOAV COMMesSION sRC Form 3e4 LPPROVED OMS NO 3150 4104

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LICENSEE EVENT REPORT (LER)

1. AGE i3i DOCKET NUMSER (21 D. C. COOK NUCLEAR PLANT, UNIT 1 0 15Io1010131115 1 loFl Oil FACILITY NAME 11)

'flTLE 141 CONTAINMENT INTEGRITY DURING CORE ALTERATIONS OTHER FACILITIES INv0LVED IS)

EVENT DATE 484 LER NUMSER 46)

REPORT DATE 17)

F ACILITV NawES DOCKET NUMBERiSI MONTH DAY YEAR vfAR at]s MONTH DAY YEAR SE G N AL O15101010 1 1 I 0]7 2] 5 8

5 8l5 0l 3 l 3 0l0 0l8 2l3 8l 5 oisiaioioi i i Twis REPORT is susuifTED rumsuANT TO THE REOuiREMENTs OF 10 CrR I <ca.c a..< more e ra. re". ae tiil r

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ON JULY 25, 1985 K

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TO REC: ;E IT EDIATELY AFhs TfE DENSATION ILE lRAINE!;

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SONNEL AT 1453 HOURS 3 WAS IMMEDIA :LY C:

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.alS WAS NOT A VIOLi 0F REQUIRED CONTAIN?ENT ISu F

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AN ATMOSPIERE TO AT':

IRE PATH. TIE POTENTI AL EXE HOW d A SIMILiR EVENT WHICH COULD HAVE CA' A LOSS OF INTEGRITY A W IS T10 SIS F6 1HIS REPORT.

WE ARE DEVE T NG AD.M 's ik. VE CONTROLS WHICH WILL

NIMIZF E POTENTIAL FOR s P t'RRENCE Im TF TYPE '

'tN E~.1 ; f. THESE CONTROLS WIL:- :E ESTA: :SHED PRIOR TO L H tNITS

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