ML19338C678

LER 80-054/01P-0:on 800811,significant Overstress Condition Found Possible on Safety Injection Line from High Head Safety Injection Pumps to Reactor Coolant Sys Hot Legs, During Seismic Event.Caused by Inadequate Weld

ML19338C678
Person / Time
Site:	Beaver Valley
Issue date:	08/12/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19338C673	List: ML19338C672 ML19338C674 ML19338C675 ML19338C676 ML19338C678
References
LER-80-054-01P, LER-80-54-1P, NUDOCS 8008180411
Download: ML19338C678 (1)

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EVENT DESCRePDON ANO NICO ADLt CONSE OutNctsh 11 It has been determined that a sienifiesnt overstress condition exists at one 1

]1 location on the safety iniection line. from the Hich Head Safety injection OfMST) l I pumps to the Reactor Cools 6t System (RCS) hot fees. during a peismic event, fenn I If SI were required, core cooling couldl

][ of this line could result in loss of Ir.GI.

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@l be provided by few Head Safety Injection (LH*T) _and by auxiliary feedwater.

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] I The suoport weld at this one loestion has_ been iudred to be inadeouste. The f

]l cupport will be reinforced prior to unf t startun. A final reenre vill be suberitted I g1 upon completion of this study. I 1

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