05000254/LER-1980-021-03, Fifth of Five LERs 80-021/03L-0:on 800904,during Local Leak Rate Testing,Containment Purge Vol Bounded by Valves AO 1-1601-21,22,55 & 56 Found to Have Excessive Leak Rate. Cause Not Stated.Containment Purge Valves Will Be Re

Fifth of Five LERs 80-021/03L-0:on 800904,during Local Leak Rate Testing,Containment Purge Vol Bounded by Valves AO 1-1601-21,22,55 & 56 Found to Have Excessive Leak Rate. Cause Not Stated.Containment Purge Valves Will Be Repaired

ML19347B999
Person / Time
Site:	Quad Cities
Issue date:	09/22/1980
From:	Hannum D COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19347B987	List: 05000254/LER-1980-021-03, Fifth of Five LERs 80-021/03L-0:on 800904,during Local Leak Rate Testing,Containment Purge Vol Bounded by Valves AO 1-1601-21,22,55 & 56 Found to Have Excessive Leak Rate. Cause Not Stated.Containment Purge Valves Will Be Re ML19347B986
References
LER-80-021-03L-07, LER-80-21-3L-7, NUDOCS 8010160375
Download: ML19347B999 (1)

LER-1980-021, Fifth of Five LERs 80-021/03L-0:on 800904,during Local Leak Rate Testing,Containment Purge Vol Bounded by Valves AO 1-1601-21,22,55 & 56 Found to Have Excessive Leak Rate. Cause Not Stated.Containment Purge Valves Will Be Repaired

Event date:
Report date:
2541980021R03 - NRC Website

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LICENSEE EVENT REPORT

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8 60 61 OOCKET NUMBER 68 69 EVENT DATE F4 75 REPORT DATE 60 EVENT DESCRIPTION AND PROB ABLE CCNSEQUENCES h l o l a l 'tWhile performing Local Leak Rate Testing, the Containment Purge Volume bounded by l

l o l a l i valves A0 1-1601-21, 22, 55 and 56 was found to have a leak rate of 435.21 scfh.

l goi4; ]This is in excess of 18.36 scfh allowable 1imit for any one valve specified by l

y o ;,, g Technical Specification 4.7.A.2.i.

The Containment Purge Valves will be repaired and g

lo lu t I tested before unit startup.

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.4 47 CAUSE DESCRIPTION AND CORRECTeVE ACTIONS li;Oll Valve A0 1-1601-21 is suspected to be leaking excessively.

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A supplemental report will be sent upon completion of all i

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