05000278/LER-1979-039-01, /01T-0:on 791130,engineering Review Per IE Bulletin 79-02 Identified 16 Supports Associated w/1-inch Control Rod Driveline Insert & Withdrawal Piping as Not Being Seismically Qualified.Caused by Inadequate Design

/01T-0:on 791130,engineering Review Per IE Bulletin 79-02 Identified 16 Supports Associated w/1-inch Control Rod Driveline Insert & Withdrawal Piping as Not Being Seismically Qualified.Caused by Inadequate Design

ML19256G140
Person / Time
Site:	Peach Bottom
Issue date:	12/14/1979
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19256G136	List: 05000278/LER-1979-039, Forwards LER 79-039/01T-0 05000278/LER-1979-039-01, /01T-0:on 791130,engineering Review Per IE Bulletin 79-02 Identified 16 Supports Associated w/1-inch Control Rod Driveline Insert & Withdrawal Piping as Not Being Seismically Qualified.Caused by Inadequate Design
References
LER-79-039-01T, LER-79-39-1T, NUDOCS 7912270510
Download: ML19256G140 (1)

LER-1979-039, /01T-0:on 791130,engineering Review Per IE Bulletin 79-02 Identified 16 Supports Associated w/1-inch Control Rod Driveline Insert & Withdrawal Piping as Not Being Seismically Qualified.Caused by Inadequate Design

Event date:
Report date:
2781979039R01 - NRC Website

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REPORT DATL EVENT DESCRIPTION AND PRO 8ABLE CONSEQUENCES h l An engineering review of vendor design associated with Bulletin 79-02 j

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l identified a total of 16 supports associated with Unit 31" CRD insert

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@ l and withdrawal piping as not being seismically qualified. A review indi-1 cates that the lines involved would not break during a seismic event and

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