ML20141K982

Forwards Category B Repts Re Util on Failure of Two Time Delay Relays in Isolation Condenser Circuit Possibly Resulting in Uncontrolled Blowdown If Condenser in Operation.No ACRS Action Appears Warranted

ML20141K982
Person / Time
Site:	Oyster Creek
Issue date:	11/01/1971
From:	Mckinley J Advisory Committee on Reactor Safeguards
To:	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 9203260242
Download: ML20141K982 (2)

Text

__. _..

p k

. vi..

Nerember 1, 1971 h5 (.

W. 1. Stratten, Chairmen Oyster Creek Subcomunittee C. F. Siess, Vice Chairman, ACE.8 CATEGORY S REPORTS OYSTER CREEK. JERSKY CEllTRAL POWER & LICatt l

CONFANY LETTER DATED SEPTEMBER M 1971 Attached is a brief esammary of One information presented la the subject serrespondence. Do AC;L8 action appears warranted.

nis item should be incorporated in your set of project docuuments to maintain an speto date description of the plant, organisation, procedures, etc.

Oricinni signed by J. C.Kd:inicy J. C. McKinley l

Staff Assistant I

Attachmente t

1) Summaary l

2) Jersey Central Fewer & Light Co ltr dtd 9/M/71 4

l l

i l

i 5,

• l1-s ejs ACRS l

l

,.C,gi,b su au >

cart >,

.m

..l

,,, h 11/ /71.,,

. _.mmmm, l-Form A EC.S t h (Rev.,-R ra. oonsmurwitannma arvgr ase o m +es l

E./ /.'

/

9203260242 910807 PDR FOIA

~ d r, DEKOK91-282 PDR

/

4(

i

,, s. o..

• k..

OTHER M Jersey._Contral Power & Limht Ceasear tatter dew 2* PAY' Samt " :r 30. 1971 rsporte the istLore of too taas W relays to the toelatten sondenser stremit that som14 have resulted in en waeostre11ed blowdeem if the sendenser had been to operattaa and a rupture had ooevered. theneal testar. tem of the M- - was pessible.

Similar ties detsy relays have f atted in the past. All relays et the type that fatted have been replesee by these of a different enesuresterer. he test tro p y has been tripled untti samtidense in relay estmation to restered.

Eo Acts acties appears warrested.

4 4

k.

O I fl4Ygd 5

+y.

oma, I.

I SURetAME >

_L==-_

._ _.. =.s

.