ML20039D014

Updated LER 81-019/01T-1:on 811124,const Personnel Severed 2-inch Line Off Water Header Supplying CT-5 Transformer Fire Suppression Sys.Caused by Failure to Start Continuous Fire Watch & Back Up Fire Suppression Sys

ML20039D014
Person / Time
Site:	Oconee
Issue date:	12/21/1981
From:	Kutzer J DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20039D011	List: ML20039D010 ML20039D014
References
LER-81-019-01T, LER-81-19-1T, NUDOCS 8112310215
Download: ML20039D014 (1)

Text

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i2i:; ion November 24, 1981, contruction personnel severed a 2-inch line which ,

12 2 Ibranched off the water header sunnivine the CT-5 transformer fire suporession l

a..,isystem. The suppression system was isolated, and a fire watch and backup fire ;

12 + s t l etmoreccion equin-ent were not nrovided as recuired by Technical Specificationt i:,,,!3.1.7.3.1. The transformer CT-5 is a redundant emergency power supply, and the,

,  ;,,,,g loss of the suppression system did not affect the operability of the trans-

,3... i former; thus, the health and safety of tha public were not affected by this evpnt.

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, . . . , itinuous fire watch and backup fire suppression system within one hour of ,

!.. Ishuttine valve HpSW-27. Corrective action was to commence shutdown of Oconee p

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