ML19344B027

LER 80-125/01T-0:on 800725,auxiliary Feedwater Control Valves 1-PCV-3-122 & -132,1-LCV-3-148,-156,-164 & -171, 1-LCV-3-172,-173,-174 & -175 Noted Not Meeting Seismic Criteria.Caused by Div of Engineering Design Error

ML19344B027
Person / Time
Site:	Sequoyah
Issue date:	08/18/1980
From:	Swearingen J TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19344B024	List: ML19344B023 ML19344B027
References
LER-80-125-01T, LER-80-125-1T, NUDOCS 8008250408
Download: ML19344B027 (2)

Text

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NRC FORM 366 U.S. NUCLE AR RECUL ATORY CCYMIS$1CN (7 771-LICENSEE EVENT REPORT EXHICIT A CONTROL BLCCK: l l l l l l (PLE ASE PRINT CR TYPE ALL Recut.".EO INFCnM ATION) fo~fil I T I Nl SI N IP I1 lhl l r e e ucssnaCo:a i4 4 01 d -l Ol0 uC lm 01 ts o 0101 6v4 -!0 l Ol@l 9 :. 4 l ucc.Ja ll 11n,al!1 a lQ lu us a@

Co'V*T lotil ,'[CM Ql0 l 5101 Ol 01 31217 @l 01712 .4 6J l 51810 @l0 I 8R&fGRIDATi twe%T DATE 34 34 l 18 818! 0l@ 63 7 6 64 68 CQ;(ET sv.'sga EVENT CESCRIPTICN AND PROBASLE CCNSECUENCES h 2 I Notified by the Division of Engineering Design that auxiliary feed- [

io!.iiIbatercontrolvalves1-PCV-3-122and-132: 1-LCV-3-148, -156, -164, and I g 1-171; and 1-LCV-3-172, -173, -174, and -175 do not meet seismic criteria. 1 io is t IThere is a notential failure of any or all of these valves as a result I o s lof a seismic event. I

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-173, -174, .ind -175 .l. nyt . ;e t se t e,:ti 2 ;titeria. There is a potenti.L failure of any or all of theuc valves s. 1 result of a seismic ev<*r.t.

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A :'.ici. 8t s cified in ttie Technical Spectf uation Surveillance Require: unta not _i w . Incr;e rab ie __P_._.:u i rr .cn t U : . r. . :5  ; lac.;u m het stan :L/ . cit hin ene hour ami into hot snutdown with2a atx hours.

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