ML19259D111

RO 2-79-40/1P on 790821:while Cardox Sys Was Disabled, Continuous Fire Watch Not Maintained in Diesel Generator Bldg.Caused by Failure to Follow Procedure Designating Duties of Fire Watch.Personnel Reinstructed

ML19259D111
Person / Time
Site:	Peach Bottom
Issue date:	08/22/1979
From:	Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 7909070459
Download: ML19259D111 (2)

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SUBJECT:

PEPCKTAELE OCCURRENCE - PRL*TT.WT,TFICATION -

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Conforming. R. 5. Fleistfutsnn's conversEtion with Mr. Grectman. Itegisnt 1

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Report No. 2 / Le g.

Occurrence Date:

August 21, 1979 Identificaticn. of Occurrence; Failur-to maintwin <:entinuous fire watch. i.n the diesel generator tuilding.

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while the curdox systes was disabled.

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Conditions Frior to Occurrence:.

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,,, q, Unit I operating st rated power Unit.3 eparating at 90% ; e er.

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.m Apparent Cause of Occurrence.

F=1ture to foticw procedure which design =tes duties ef a fire. watch.

Anslysis of Occur.r-nce r o

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on the norning, nf 8/ 21/79. twr seprtr.st e Jr.b5 ---- wi g re.r.ree-d by centrset p rsonncI in. the dieset generator hqildhng.

Each of th*=e. Jehs revit*ed that a fire watch be po*ted.

The fire watches wre rested per procedure.

I.mter that scyming ce? grimp cv.

latel.it= task med the fire watch for that greerp fe.iled to restt're the 0.?: =y=r m to term.M in tha EZ diesel generator-hav.

He assu=*ed rhet the fire wstch. fer the accend grtwq re raired t.*mt the G)g syste = r* mio cut cf serv 3 ca.

Tha tec.rmd groun had..pp, knew. icd e that thi.s particular secties of the fire protection.

t systsvr was put of service vivee th-r were wding in eacther ar-a.

As a resutt of these actions the EZ diesel Rener.nor area was,withcet a fire

_ watch for a per19d of ebout ten almstes

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working being dene in the diesel 3-nerater bay during the period that

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--There is no safety significance to this occurrende since there was no T

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In addition a guiard remained pested aUs

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M. stated that had she detected's sache for fire situation she would have

• 9;7C' C-reportesi the same to shift supervision. I:nother noteworthy fact is C wthat during n IDCA start of the diesel generators,. the C07 systen is 7 E %W W(anatomatically disab.l,ed. ~

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- diesel. generator bay was restored to service.

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systes vss. Inoperable coincident with no fire Matth pr se st was about.

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.. Upon disernery of this incident all wert in the diesel generster building-

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[..T of perfor-ilng work in an ar-s' when a fire watch was r -sted Afditional.

- t centract perse:nnet have also bestr reinstructed in this se=s =atter.

It is felt thSt with the currecti're acticas autmE ha.e t.hur._xi.11 b

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no reoccurrence. of this typ.

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