05000315/LER-1985-070, :on 851210 & 11,while in Mode 5,fire Penetrations & Seals Found Nonfunctional.Fire Watches Posted & Seals Repaired.Final Rept Will Be Submitted When Safety Evaluations Complete

:on 851210 & 11,while in Mode 5,fire Penetrations & Seals Found Nonfunctional.Fire Watches Posted & Seals Repaired.Final Rept Will Be Submitted When Safety Evaluations Complete

ML20137D723
Person / Time
Site:	Cook
Issue date:	01/09/1986
From:	Stietzel J INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML20137D563	List: 05000315/LER-1985-070, :on 851210 & 11,while in Mode 5,fire Penetrations & Seals Found Nonfunctional.Fire Watches Posted & Seals Repaired.Final Rept Will Be Submitted When Safety Evaluations Complete ML20137D559
References
LER-85-070, LER-85-70, NUDOCS 8601170074
Download: ML20137D723 (1)

LER-1985-070, on 851210 & 11,while in Mode 5,fire Penetrations & Seals Found Nonfunctional.Fire Watches Posted & Seals Repaired.Final Rept Will Be Submitted When Safety Evaluations Complete

Event date:
Report date:
3151985070R00 - NRC Website

text

N 80RC Perm 300 U.S. NUCLEAA L.EQULATORY COMMISSION APPROVED OMS NO. 3150-C104 o

LICENSEE EVENT REPORT (LER)

'"'"'*8""

• ACILITV NAME HD DOCKET NUMSER (2)

PAG 9 G D.C.

COOK NUCLEAR PLANT, UNIT 1 015 l o l o l 0 l311 l5 1 lOFl0 l1 Tif LS (4)

INOPERABLE FIRE BARRIERS EVENT DATE (El LER NUMSER (S)

REPORT DATE 17)

OTHER FACILITIES INVOLVED (S)

MONTH DAY YEAR YEAR 88,0

- [

MONTH DAY YEAR FActLITY N AM' DOCKET NUMBERIS)

D.C. COOK. U 2.1 P 2 o 15l0 l o l o l 3l 11 6 1l 2 1l0 85 8l5 0l7l0 0l 0 0l1 0l 9 8l 6

~

of",olo1 0l l l THIS REPORT IS SUSMITTED PURSUANT TO THE REQUIREMENTS OF 10 CPR {: (Check ano or more of the t OPERATING 5

20.402mi 20.40s(.i so.nwH2Hi.)

13.n m)

R 20.40Sle)HHG S0.30feH1) 80.73(aH2Hv) 73.71(el 00 i0

=. 0.(aH1H.,

.0,.iu,

.0.n n2H,

i g,H3 ;, g ;. =,

00, 20.405taH1 Hall 50.73(aH2HQ 60.73(aH2HvuiHA)

J68A1 20.405(aH1)L I 80.73(aH2Hul 60.73(aH2HvlNHS) 20.40S(aH1Hel 50.73(aR2)(lu)

So.73(aH2Hz)

LICENSEE CONTACT POR THIS LER H2)

NAME TELEPHONE NUMBER AREA CODE J.F.

STIETZEL - QUALITY CONTROL SUPERINTENDENT 6l 1 6 4l6l5 -l51910l1 1

1 COMPLETE ONE LINE FOR EACH COMPONENT PAILURE DESCRISED IN THIS REPORT H3)

L UA AO TA i

M#j'E O NPR S

CAUSE

SYSTEM COMPONENT

CAUSE

SYSTEM COMPONENT pp l

I I I I I I I

I I I I I I l

l l l l l l l

l 1 I I I l SUPPLEMENTAL REPORT EkPECTED (144 MONTH DAY YEAR SU'lMIS$10N

• A""

D YES (if va. a.nwen exPecreo sueurssion ca res

~lNO 0l2 1l0 8l 6 ASSTRACT (thnit so f 400 apaces, te., appronennevry fiftwas arryeapece typewrfrun svasal HS)

ON DECEMBER 10 AND 11, 1985, WITH UNIT 1 IN MODE 5 (QXD SHUTDOWN) AND UNIT 2 IN MODE 1 (POWER OPERATION), 'IVO EVENTS OCCURRED MIERE FIRE PENETRATIONS WERE FOUND 'IO BE NONENCTIONAL. TIE 12/10/85, EVENT IDENTIFIED THREE NONFUNCTIONAL FIRE PENETRATIONS (APPROXIMATELY '2 INCHES IN DINETER) IN THE UNIT 1 AND 2 COMPUTER ROOMS. TIE 12/11/85, EVENT IDENTIFIED A NONFUNCTIONAL FIRE SEAL IN TIE UNIT 1 AUXILIARY CABLE VAULT. 'IIIE LACK OF SILICONE IN HIESE PENETPATIWS CCNSTIHrrED INOPERABLE FIRE BARRIERS PER TECHNICAL SPECIFICATION 3.7.10.

'I1E ACTION STATENENTS NERE FUIEILLED AS FIRE WA'ICIES NERE POSTED WIDIIN ONE HOUR.

THE NONFUNCTIONAL SEAIS WERE REPAIRED ON 12/12/85, AND TIE UNIT 2 AUXILIARY CABLE VAULT WAS INSPECTED, NO UNSEALED PENEIPATIONS WERE EDUND. TIE Drru;nVE SEALS IN TIE COMPUTER ROOMS W.::RE LAST INSPECTED ON 04/15/85, AND VERIFIED FUNCTIONAL.

THE Dnu;nVE SEAL IN TIE AUXILIARY CABLE VAULT WAS LAST INSPECTED ON 04/24/85, AND VERIFIED FUNCTIONAL.

A SAFLTY EVALUATION IS BEING PERFORMED:

1) CN THE 12/10/85, EVENT 'IO DETERMINE DE EFFECT TIE DEFICIENT FIRE SEALS h0UID HAVE ON CONTROL ROOM IIABITABILITY (TIE Duu;nVE CmPUTER ROOMS SEAIS WOUID IIAVE ALIIEED CO., 'IO ESCAPE FROM THE COMPU1ER ROOMS AND ENTER THE UNIT 1 AND 2 COtTrROL ROW AIR CONDITIONING ROOMS).

2) ON TIE 12/11/85, EVENT 'IO DE. EPFlNE IF TIE AUXILIARY CABLE VAULT CO T

2 SYSTEM NOULD IIAVE MAINTAI?ED ADEQUATE CO CONCEtTTRATION.

2 THIS IS AN IFTERIM LER, A FINAL REPORT WILL BE SUBMITIED MEN UlE SAFETY EVALUATIONS ARE CCt@IfrE.

THE IEALTH AND SAFETY OF 'mE MTRT.TP WERE NirP AVm:m>.

8601170074 860109 gP-3s0 hDR ADOCK O g5

.u.a.opeise644eueme7ee