ML20028B344

LER 82-098/01T-0:on 821108,during Investigation of Pipe Breaks,Plant Practice of Designating Fire Watches in 4-kV Room Complexes & Reactor Cable Tunnels Determined to Violate Tech Specs.Caused by Tech Spec Misinterpretation

ML20028B344
Person / Time
Site:	Cook
Issue date:	11/22/1982
From:	Jacques P INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20028B323	List: ML20028B322 ML20028B344
References
LER-82-098-01T, LER-82-98-1T, NUDOCS 8211300304
Download: ML20028B344 (2)

Text

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EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES Oio 1o # 21 l_ DURING INVESTIGATION OF C/R 2-10-82-623 (C02 SYSTEM PIPEBREAKS) IT WAS DETERMINED I

o,3i l THAT THE PLANT PRACTICE OF DESIGNATING ONE PERSON AS THE FIRE WATCH IN THE 4 KV ROOM i

Iioi.,ilCOMPLEXESANDTHEREACTORCABLETUNNELSWHENTHEC0 2 SYSTEM IS ISOLATED FOR ALL OF 1 i o , s , l THE ZONES WITHIN EACH AREA IS NOT IN ACCORDANCE WITH TECHNICAL SPECIFICATION 3.7.9.3, l toisi l WHICH REQUIRES ONE FIRE WATCH FOR EACH ZONE. AT NO TIME WERE.THE HEALTH AND SAFETY

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 1

fi io l I THE CAUSE OF THIS EVENT HAS BEEN ATTRIBUTED TO MISINTERPRETATION 0F TECH. SPEC. I i ii1 1 REQUIREMENTS, WHICH RESULTED IN IMPROPER PROCEDURE

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. ATTACHMENT TO LER # 82-098/01T-0 EVENT AND CAUSE DESCRIPTION DURING THE INVESTIGATION OF CONDITION REPORT 2-10-82-623 (C02 SYSTEM PIPE BREAK) IT WAS DETERMINED THAT THE PLANT PRACTICE OF DESIGNATING ONE PERSON AS A FIRE WATCH WHEN USING THE MASTER ISOLATION SWITCH TO ISOLATE THE CO2 FIRE PROTECTION SYSTEMS IN THE 4 KV ROOM COMPLEXES OR THE REACTOR CABLE PENETRATION TUNNELS WAS NOT IN ACCORDANCE WITH TECH. SPEC. 3.7.9.3. TECH.

SPEC. 3.7.9.3, ACTION ITEM A, REQUIRES THAT A CONTINU0US FIRE WATCH BE POSTED IN EACH AFFECTED ZONE. AT NO TIME WAS THERE A DANGER TO THE HEALTH AND SAFETY OF THE PUBLIC.

THE AREAS AFFECTED ARE THE 4 KV ROOM COMPLEX, LOCATED ON THE 609' AND 612' ELEVATIONS AND THE ASSOCIATED CABLE SPREADING AREA FOR BOTH UNITS ONE AND TWO; THE PENETRATION CABLE TUNNEL QUADRANTS 1, 3N, 3M, 3S AND 4, LOCATED ON THE 489' LEVEL; AND THE QUADRANT 2 AREA LOCATED ON THE 612' LEVEL FOR BOTH UNITS ONE AND TW0.

THIS INFORMATION WAS REPORTED TO MR. E. R. SWANSON, NRC REGION III INSPECTOR, ON NOVEMBER 8,1982, AND BY FOLLOW-UP LETTER TO MR. J. G. KEPPLER, NRC REGION III ADMINISTRATOR, ON NOVEMBER 9,1982.

IMMEDIATE CORRECTIVE ACTION TAKEN IMMEDIATE CORRECTIVE ACTION INVOLVED STOPPAGE OF ALL WORK IN THE 4 KV ROOM COMPLEXES AND THE REACTOR CABLE TUNNELS UNTIL THE SCOPE OF THE PROBLEM WAS TOTALLY EVALUATED AND ASSIGNMENT OF PERSONNEL TO PROVIDE THE REQUIRED FIRE WATCH C0VERAGE COULD BE COMPLETED. PLANT MANAGER'S INSTRUCTION, PMI-2270, FIRE PROTECTION AND SAFETY EQUIPMENT, WAS REVISED TO OUTLINE THE CORRECT FIRE WATCH REQUIREMENTS.

LONG-TERM CORRECTIVE ACTIONS LONG-TERM CORRECTIVE ACTIONS WILL INCLUDE THE REVISION OF TECH. SPEC. 3.7.9.3

' TO REVISE AND CLARIFY FIRE WATCH REQUIREMENTS. (ESTIMATED SUBMITTAL IS WEEK 0F NOVEMBER 22,1982.)

l TIME WHEN FULL COMPLIANCE WILL BE ACHIEVED FULL COMPLIANCE WAS ACHIEVED ON NOVEMBER 8,1982.

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