ML19261B470
| ML19261B470 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 01/31/1979 |
| From: | Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 7902230150 | |
| Download: ML19261B470 (2) | |
Text
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YY I;les PHIIADE!.P!lIA ELECTRIC COMPAW Peach Bottom Atciic Power Station i
Delta,Pensylvania 17314
_ Januvry 31, 1979 Hr. Boyce H. Grier Office of Inspection aiui Enforcement Region I United States Nuclear Regulatory Couaissitm 53L Park Avenue ring of Prussia, PA 17466 5UMECT: REPORTABl.E 00 UIRENCE - PRCMPT S1TIFICATION Confiraing C. E. Andersen's conversation with Mr. Greenaan. Regios I, UnitedStatesNuclearRegulatoryCommissio1en1/31/79.
Reference:
Docket No. 050277/78 Peach Botton Units 2 and 3 Technical Specification
Reference:
3.14.B.4 Report 50.2-19-6/IP Occurrence Dat :.!/30/79 Identification of 0:currence:
Unit 2 and Unit ; tecirc E set room fire protecti.on systes out of service for approtinately S hours with no fire w. itch posted.
Conditions Prior to Occurrence.:
Unit 2 operating at 100 percent power. Unit 3 operatin,t at 90 percent power.
Apparent Canse:
Personnel error Analysis of Occurrence:
M The recirc E set room fire detection mtem on both units was disabled CD on the morning of 1/30/79 so that notification work could proceed in the
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area. A fire watch was pcsted at that tine. When the work in thes.?
g t.o areas was completed fo the day at ricet 4 IH, the working group g
failed to notify the shift that they wre firished for the day. The o
fire watch left the room when the days work v.ts completed. Late on the G
ne::t shift as part of a normal surveillance of the area, the operating O
shift noticed the error and insediately restored the fire detection system to normal. Since this area is routinelt inspected by shift penonnel. the safety significance of this eret t is sinimal.
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Py@sj@ Carrective Action:
The fire detection system was placed back in service imediately upon discovery of this event.
A meeting was stbsequently held with super-vision c.f the working group involved with this occurrence.
They were instructad in the importance of notifying shift supervision when woriing under the above conditions so that shift personnel can take appropriate reradial action.
Further corrective action will be taken following co:gIction of the investigation of this incident PreviousFailurerg Report No. 2-79-2/IP Very truly yours,
/
W. T. Ullrich Station Superin':endent KiU/CEA:ljs
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