ML20141K685

Forwards Category B Rept Re Div of Compliance Rept to Director of Regulation Dtd 690815 Re Malfunction of Pressure Control Sys & Subsequent Scram

ML20141K685
Person / Time
Site:	Oyster Creek
Issue date:	09/23/1969
From:	Mckinley J Advisory Committee on Reactor Safeguards
To:	Hendrie J, Stratton W Advisory Committee on Reactor Safeguards
Shared Package
ML20091A092	List: IA-91-282, Forwards Written Statement Submitted by Sp Russo for ECCS Subcommittee Meeting on 770129,for Info.W/O Encl ML20141K026 ML20141K047 ML20141K056 ML20141K063 ML20141K066 ML20141K070 ML20141K076 ML20141K082 ML20141K091 ML20141K095 ML20141K121 ML20141K137 ML20141K141 ML20141K153 ML20141K163 ML20141K175 ML20141K185 ML20141K190 ML20141K359 ML20141K365 ML20141K368 ML20141K372 ML20141K375 ML20141K379 ML20141K382 ML20141K386 ML20141K390 ML20141K395 ML20141K398 ML20141K402 ML20141K406 ML20141K408 ML20141K415 ML20141K418 ML20141K423 ML20141K426 ML20141K432 ML20141K436 ML20141K441 ML20141K618 ML20141K620 ML20141K625 ML20141K626 ML20141K630 ML20141K633 ML20141K635 ML20141K637 ML20141K641 ML20141K643 ... further results
References
FOIA-91-282 NUDOCS 9203250052
Download: ML20141K685 (3)

Text

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i Nin September 23, 1H9 >f ,

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W. R. Stratton, Subcommittee Chairman Oyster Creek palt 1 J. H. Rendrie, Vlee Chairman, ACES i CA17.00f.Y l REPORTS = OT$TER CREEK Ult!T 1 >. DIY1810M OF CONFLIANCE REPORT j TO T1tt DIRECTOR Of RECULATION DATED SEPTEKW.R 15,1M9

! Attached is a brief summary of the information presented in the esbject correspoodence . .s ACKS action appears warranted.

i This ites may he ik ,troyed when you have completed your evaluatten et this matter.

Originn151cned ty J. C. X:Kinley J. C. McKinley Stati Assistant l At tachmente t i 1) Summary

2) Div. of Compliance Report

. to Dir. of Regulation dated 9/15/69 I

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,}\ l Oyster Creek Wait 1 Walma_.mLEngeUL-- wanert to "- Maenter i

ef Ran h s h i M All, esperta i the malfemeties of 'tbe pressere getem ,

I' and omhoogeomt metw; of the Syster M teneter '

nortes eterte,, ette the e.e.ter pensessei .e.

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heing imeramentally inereened fres MS pe(3 to 1000 peig with the electrieel pressere sentrol

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systeam, a falso elseal e==ad the steen bypees ]

l valves te spea med the reester to espressertu.

N plant une at.32 Met and eersomed ehest 40

< seeende ofter tita wolves opened. The pressere ,

! derressed to abant 370 pois withis 5 minates and the reaperatere dropped fres $20*F to 4104, l h watere leveb drapped speem feet het still seene feet of ' estar remained above the oore.

l De safety lief,ts more emeesdod.  !

D1emsostems vitb the eegnisamt Sti, and to per- -

esame1 reves'ted that the initial seren signal es'm frem the flee himmed flou serm (ehish should met trave bene tripped at- this ter power -

l- level) fellemed sleemly by the les unter level eersa signal. h aparater tripped the steem

! line step velves beKare N 1evel reached the desbis toe trip point het a esive trip signal was received eben the ester level sent bolos

& deable les potat. h care spray pape started hot.did met inject any enter state geesel pressere did met d op belee the peng discharge pressure. The diesel generstwo etert.ed, the first signal (toe-lee water level) i

-] use fed into the eestatement spray streettry, 8

, reactec and eestatement imelettee escurred.

-l end the isolation eendenser mes placed ia serv-i tee,' all threesk automatic astion.

CO has asked the operator for a report en this occurronce, the operator's informal reacties is to trest this as a debogstas operetten and met wke any report, he has met neede any formal eeus.itament.

Seth GE W the operator are investigating the failure M the pressere oestrol' eyotes.

We ACRs actieu appears warred. " 9'

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$URNAMt> . . . . . . . , . . . . . . . . . ,.. . . . . . ~ . . . . . . . . - . . . . . . . . . . . . . . - . . . ~ .

DATE> . . . ,. . . . . . . . .... .. .. .. . . . . . . ~ . . . . . . . . . . - .. - - - r-Pbrru A10818 Otet. 4-83) U.s son =nortmTm anra nue-o rie 4.!s P

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For algaswt Fat WwmaHm y o (u... .,4 ,,3 n3 ii. mao acuno b h, ? yp:;n w* WATEURCTIONE.M Execttm deeretary, N JERSET CDITRAL POWER AND LIGHT 00NPANY 1034 H Street

_(CY P t'* N W N R) ---

A to n. .... ,an, pui. a etua" Forwarded for information are three copies of

. g ovt +n +be moc+^r of R?6ulatie M the above sub,)ect. 06 un ,

Enclosure:

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Lavrence D.l yv, Diror tm ._

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