ML19323G611

LER 80-003/01T-0:on 800124,overstress Condition Was Confirmed to Exist During Postulated Seismic Event W/Pipe Support H-95 on Component Cooling Water Sys Line CC-323. Caused by Use of Incorrect Method of Pipe Stress Analysis

ML19323G611
Person / Time
Site:	Beaver Valley
Issue date:	06/02/1980
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19323G605	List: ML19323G604 ML19323G611 ML19323G617
References
LER-80-003-01T, LER-80-3-1T, NUDOCS 8006060374
Download: ML19323G611 (1)

Text

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weer arer===vuusanoanosasucoussoweests@d An overstress condition was confirmae to exist destina a ===tulated I seim ,

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! by Deguesse Light Mechanical Engineering Department.

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with pipe empport E-95 on Component Coolfsg' Water Systems line CC-323 in which MIFIFE3 ,

3 analysis revested an overstress condition nyprombt ely 2.5 times the seismically s5 Y

Iniloweble stress. Com - es a.2d have been a loss of one trois of coolian to .

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[ The cause of the peeblem was the ese of an incorrect method of pipe stress mealysie. e:, -

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s Corrective acties in the form of alteration of. sopport H-95. to a three-way restraint 4 1.";

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' I was implemmented as soon as possible. The job has since been completed W .v.?

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