05000316/LER-1985-036-01, :on 851030,discovered Cardox Fire Protection Sys for Emergency Diesel Generator Room AB Isolated W/O Fire Watch Coverage.Caused by Personnel Error.Appropriate Administrative Action Taken W/Involved Personnel

:on 851030,discovered Cardox Fire Protection Sys for Emergency Diesel Generator Room AB Isolated W/O Fire Watch Coverage.Caused by Personnel Error.Appropriate Administrative Action Taken W/Involved Personnel

ML20137U717
Person / Time
Site:	Cook
Issue date:	11/27/1985
From:	Blind A INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML20137U657	List: 05000316/LER-1985-035-01, :on 851029,reactor Trip Signal Received from RCS Low Flow & Reactor Trip Breaker a Failed to Open on Trip Signal.Trip Signal Caused by Momentary Dip in Output Voltage Due to Intermittent Short.Breaker Replaced 05000316/LER-1985-036-01, :on 851030,discovered Cardox Fire Protection Sys for Emergency Diesel Generator Room AB Isolated W/O Fire Watch Coverage.Caused by Personnel Error.Appropriate Administrative Action Taken W/Involved Personnel ML20137U651
References
LER-85-036-01, LER-85-36-1, NUDOCS 8512090380
Download: ML20137U717 (1)

LER-1985-036, on 851030,discovered Cardox Fire Protection Sys for Emergency Diesel Generator Room AB Isolated W/O Fire Watch Coverage.Caused by Personnel Error.Appropriate Administrative Action Taken W/Involved Personnel

Event date:
Report date:
3161985036R01 - NRC Website

text

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se C Form.308 U S NUCLE AN IutGULATOXV COMMISSION APPRONED OMS NO 3150-410 LICENSEE EVENT REPORT (LER)

FLCILITY NAME (1, DOCK E T NUMSER 121 PAGE s3i D.C. COOK NUCLEAR PLANT, UNIT 2 0 l510 t o l 0 l 31116 1 l0Fl0 l 1 mLE i.,

IMPROPERLY ISOLATED CARDOX FIRE PROTECTION SYSTEM EVENT DATE t.)

LER NUMSER t.1 REPORT DATE 17)

OTHER F AC#LITIES INVOLVED let 8%$ L"'

7,Q MONTH DAY YEAR F AC' lit v Naw.s DOCKE T NUM.E Ri$1 MONTH DAY YEAR vtAR 0 15101010 1 I I 1l 0 3l 0 85 8l5 0l3 l 6

- 0l0_1l1 2l7 8l 5 0 1 5:0 1 0 1 0 1 1 !

THit REPORT 68 SUSMITTED PUR$UANT TO TME REOUIREutNTS OF 10 CPR 6

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LICENSEE CONTACT FOR THis LER (12)

NAME TE LEeHONE NUMBER ARE A CODE A.A. BLIND - ASSISTANT PLANT MANAGER 6 l 116 4 I 6151 -l5191011 COMPLETE ONE LINE FOR E ACH COMPONENT FalLURE DESCRIGED IN TH18 REPORT 1131 REPOR,TA8 E p

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LOSTR ACT ILimot to 1 00 soecer o e. soareneerey 9rtroen son, e nonce tvererrrren kaest (18>

ON OCIDBER 30,1985, AT 0610 IICURS NITH UNIT 2 IN MODE 3 (liCff STANDBY), A SECURITY CFFICER DISOCVEEED TIiE CAPDOX FIFE PFUTECTICN SYSini FOR THE AB DEFGD7CY DIESEL GINEPA70R PCCM ISOIATED WITEOUT FIRE VA101 COVERAGE AS PICUIFFD BY TEDINICAL SPECIFICATION 3.7.9.3.a.

THE SYSITU WS PCIUPNED TO NORMAL AT 0620 HOURS FOLTfhiING VERIFICATION illAT 71E PFmtum AREA VAS UNCCCUPIID.

INVESTICATICN PEVEALED 'IllAT TIIE Arrtctw APIA WAS ISOI1GED FER A POUTINE TCUR ON CCIOBER 30 AT 0311 FCUPS. FOLIDFING CCNPLETION OF THE TOUR, AT 0317 UOUPS, IhTOLVED PERSCENEL (NCN-LICENSED GPEPA7CR IED SECURITY OFFICER) LEPT THE AREA. IN FEVIEWING THE APPLICABII SIGNOFF SHEET (PICUIPED BY PPOCEDURE TO VERIFY SYSTFM EESTOPATICN) IT KAS NCff1D THAT: 1) THE SECUIUTY OITICER DOCG'ENTED PE'IUPNING TiiE ISOIATION SWITUI 'IO NOIFAL, AND 2) TIIE OPEPATOR DOCCMNTED win:ESSING TIE RESTOPATICN. IKEEVER, IT imS AIEO DETEFMINED 'IEAT TIE OPERATCR PROVIDED HIS SIGNATUPE CN THE SICNCFF SIELT WI'IECUT ACTUALLY WIDESSING TIE FESTOPATION CF THE SYSTEM.

SINCE THE TOUR OF TIE AETICIID AFFA IS CONDUCTED APPPOXINSELY CNCE EVERY 8 IICUPS, IED FILE DEMETICN SYSTEES VTIDIIN TIE DIESEL GENEFIGCR FCGI trXIID HAVE ALEIEED l

CCNTPOL FOCM PEPSONNEL HAD A FIPI OOCURRED, IT IS CONCLUDED 711AT TIIEEE 1:AS 10 APPPII'IABLE DEGRADATICN OF FIFE PPCrrECIICN CAPABILITY DUE 70 THIS INCIDENT.

SO PPEVELT PECUFFENCE APPFCPEIATE JOIINISTPATIVE ACTICH WS TAIIII WITH 'IEE INDIVIDUAIS INVOLVED.

PEEVICUS OCCUPRINCES OF A SIMIIAR NATUPE INCLUDE: 50-315/83-22, -28, -34, -94,

- 114; 50-315/82-37, -44, ~45, -49, -68, -81, -82, -108; 50-316/84-9, -22, -27; 50-316/83-48, -60; 50-316/82-54, -58, -62, -76, -84; 50-315/85-8, -20.

8512090380 8511P7 I,".*J* 'a PDR ADOCK 05000316 S

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