05000277/LER-1979-032-01, /01T-1 on 790626:insp of Seismic Class I Supports Revealed 92 W/Safety Factors of Less than 5,w/8 Having Safety Factors of Less than 1.Caused by Inadequate Design. All Mods Completed by 790719

/01T-1 on 790626:insp of Seismic Class I Supports Revealed 92 W/Safety Factors of Less than 5,w/8 Having Safety Factors of Less than 1.Caused by Inadequate Design. All Mods Completed by 790719

ML19291B127
Person / Time
Site:	Peach Bottom
Issue date:	06/26/1979
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19291B126	List: 05000277/LER-1979-032, Forwards LER 79-032/01T-1 05000277/LER-1979-032-01, /01T-1 on 790626:insp of Seismic Class I Supports Revealed 92 W/Safety Factors of Less than 5,w/8 Having Safety Factors of Less than 1.Caused by Inadequate Design. All Mods Completed by 790719
References
LER-79-032-01T, LER-79-32-1T, NUDOCS 7908290455
Download: ML19291B127 (1)

LER-1979-032, /01T-1 on 790626:insp of Seismic Class I Supports Revealed 92 W/Safety Factors of Less than 5,w/8 Having Safety Factors of Less than 1.Caused by Inadequate Design. All Mods Completed by 790719

Event date:
Report date:
2771979032R01 - NRC Website

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2 I In restonse to the analysis required by IE Bulletin 79-02, Rev.1,12h3 I

w,j i seismic class I supports have been analyzed. Ninety two supports have i

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i EI of these have safety factors less than one; i.e., may fail during a de-t

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sian baeis earthcuake. Safety significance is mini ~.1, because calcula-l

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