05000219/LER-1981-018-01, /01T-0:on 810417,equipment Operator Found Valves Were Blocked from Fully Opening by Scaffolding Placed by Contractor Personnel.Caused by Personnel Error.Scaffolding Repositioned

/01T-0:on 810417,equipment Operator Found Valves Were Blocked from Fully Opening by Scaffolding Placed by Contractor Personnel.Caused by Personnel Error.Scaffolding Repositioned

ML20003J006
Person / Time
Site:	Oyster Creek
Issue date:	04/30/1981
From:	Crosby P JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003J005	List: 05000219/LER-1981-018, Forwards LER 81-018/01T-0.Detailed Event Analysis Encl 05000219/LER-1981-018-01, /01T-0:on 810417,equipment Operator Found Valves Were Blocked from Fully Opening by Scaffolding Placed by Contractor Personnel.Caused by Personnel Error.Scaffolding Repositioned
References
LER-81-018-01T, LER-81-18-1T, NUDOCS 8105080319
Download: ML20003J006 (1)

LER-1981-018, /01T-0:on 810417,equipment Operator Found Valves Were Blocked from Fully Opening by Scaffolding Placed by Contractor Personnel.Caused by Personnel Error.Scaffolding Repositioned

Event date:
Report date:
2191981018R01 - NRC Website

text

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U. S. NUCLE A'3 f.EGULATORY COMMISSION t.lCENSEE EVENT REPORT CCSTuot stoex: l l

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_ loI tl On April 17, 1981 the equipent operator assicned to open the Reactor l

._ g o t a g l Bn41dMg to suppression charber vacuum breakers found the valves were Io I si I blocked frctn fully opening by scaffolding placed by contractor personnel.

l l o i s i ; Valve V-26-17 was ocarpletely prevented fran opening and valve V-26-15 l

t c ie t iwas prevented from opening nore than 75 percent. This event is ccxisidere l

l c ; ; ; ;d a violation of T.S. 3.5.A.4.a and reportable in accordance with T.S.

l io!ai 1 9.2.a(6). Valve V-26-15 would have performed its intended function.

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,,, o, lThe cause of this occurrene is attributed to personnel error. Contractor l personnel placed scaffolding in a position to block the valves tran i

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gopening fully. Plant shutdown continued as scheduled and was in the mld l shutdown condition by 1325 hours0.0153 days <br />0.368 hours <br />0.00219 weeks <br />5.041625e-4 months <br /> on April 18, 1981. The scaffolding l

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