ML20141K685

From kanterella
Jump to navigation Jump to search
Forwards Category B Rept Re Div of Compliance Rept to Director of Regulation 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: ... further results
References
FOIA-91-282 NUDOCS 9203250052
Download: ML20141K685 (3)


Text

.. _ _ _ _ _ _ - _ _ _ _ _ _ _

g l0DX I

l.

i Nin

>f,

September 23, 1H9 h$

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.

ACKS action appears warranted.

.s 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 1)

Summary i

2) Div. of Compliance Report to Dir. of Regulation dated 9/15/69 I

t

?

n >-

... ACRS, omce>

JCM/c1 sumut >

I 9/23/69 Dan

  • _,,,,, l

)

(

hwm AEC 8H 0;ev.FM) y g gmgg,,9 m,g,,,g gg,,% g,,4,,

9M3250052 910807 y,, *, /,. n Pan F01A

t" DEKOK91-202 PDR
  • l'

/

.j

-.n..-

(

(

,}\\

i Oyster Creek Wait 1 Walma_.mLEngeUL-- wanert to "- Maenter 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 '

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

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

~

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 i

etert.ed, the first signal (toe-lee water level)

-]

use fed into the eestatement spray streettry, 8

reactec and eestatement imelettee escurred.

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

i 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.

" 9' We ACRs actieu appears warred.

$FTICt >

.,-.~-

-.. ~

$URNAMt>

.. ~........ -

-... ~.

DATE>

...... ~..........

- r-Pbrru A10818 Otet. 4-83)

U.s son =nortmTm anra nue-o rie 4.!s P

m ---

"~~

~~

g

'e mwi 6

Fw e MEMO ROUTE SLIP t

5 ** * *

  • w ""* -

r hvnn AFC.Wrh May H. M)

Note and etMn.

For algaswt Fat WwmaHm y o (u....,4,,3 n3 ii. mao acuno b

h, ? yp:;n w*

WATEURCTIONE.M N

JERSET CDITRAL POWER AND LIGHT 00NPANY Execttm deeretary, 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

-i

Enclosure:

e a+a c h r /fn / M

w. s s

('.) (Na mg 3 60 kr.4)

IMlilAJ RtM AA M C<

M.

[,

h DATI k

b t-'

~

O 4g F ROM @ame and e*.tl.S atM AA* $

%)

Lavrence D.l yv, Diror tm Division i 11ance

\\

,J un.8/69 9/1 i

r.

A.....,;,....

.., - m.m

i. - -

- mecincesc roaaemio.t tuno

.4

. -