ML19276D930
| ML19276D930 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 01/09/1979 |
| From: | Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 7901220143 | |
| Download: ML19276D930 (1) | |
Text
. - - -.-
h PHILADELPHIA ELECTRIC COMPANY Peach Botton Atomic Power Station Delta. Pennsyl van ia 17314 January 9, 1979 Mr. Boyce H. Grier Office of Inspection and Enforcement Region i United States Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19400
SUBJECT:
REPORTABLE OCCURRENCE - PROMPT NOTIFICATION Confirming C. E. Andersen's conversation with Mr. Greenman, Region I, United States Nuclear Regulatory Commission ort 1/9/79.
Reference:
Docket No. 050-277/78 Peach Botton Units 2 and 3 Technical Specification
Reference:
3.14.B.4 Report No. 2-79-2/IP Occurrence Date:
1/ ti/79.
Ident tficarion of Occurrence:
Cabic spread room cardox system out of service for Sta hours with no firematch posted.
Conditions Prior to occurrence:
Unit 1 operating at 100% po er.
Unit I shutdom.n.
Apparent Laase:
Personnel error
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An.nlysts of Occurrence:
The c.able > pre.aJ rous e.srdox sy> tem as.tisabled on the morning of 1/6/79 so that emble n.ork an the ocerhead could proceed.
A fire-atch eas pos t ed at that t a a.e.
enhen the cabic work
.is complet ed G.r t he day.et at,au t 4:30 lH, the orking gruap t'411ed tu i.ot t iy the shift t h.s t they =ere finished.
The fi te= at ch 1 c it t i. e towa = hen the days =ork =42 cua,leted.
On the neat
.s h t it. as p.s t r of a s.orn I sur.et114 nee of the area, the apcrating shift notteed the error and then 11 ced the cardox sy stem had in service.
During t he St3 huurm an =hich the fire =4teh
=4 not contanacunty present, the s t r e de te ct s on sy st em.
=4.
tully operable ar.J i.aerwa> peapic i.ere 4.i.uid var of the area.
For these reason, the safety i gi.; f i c anc e of thsi c. e r. t as miniaal.
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Corrective Action:
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- Ta The-cardox system was placed back in service immediately upon discovery
?W.j of this event.
Appropriate personnel were instructed in the lyrtance
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of notifying shift supervision anytime that inorking conditions change in an area so that shift personnel can take appropriate action if required.
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Previous Failures:
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Very truly yours.
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W. T. Ullrich, Superintendent 2f-Peach Botton Atoele Power Station
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