05000287/LER-1981-013-03, /03L-0:on 810528,1-inch Breach Discovered in 3-h Fire Barrier in Floor of Control Room Outside Shift Supervisor Ofc.Cause Undefined Due to Breach Being Covered Since Const of Control Room

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/03L-0:on 810528,1-inch Breach Discovered in 3-h Fire Barrier in Floor of Control Room Outside Shift Supervisor Ofc.Cause Undefined Due to Breach Being Covered Since Const of Control Room
ML20009G087
Person / Time
Site: Oconee Duke Energy icon.png
Issue date: 06/26/1981
From: Jackie Jones
DUKE POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009G079 List:
References
LER-81-013-03L, LER-81-13-3L, NUDOCS 8108030315
Download: ML20009G087 (1)


LER-1981-013, /03L-0:on 810528,1-inch Breach Discovered in 3-h Fire Barrier in Floor of Control Room Outside Shift Supervisor Ofc.Cause Undefined Due to Breach Being Covered Since Const of Control Room
Event date:
Report date:
2871981013R03 - NRC Website

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64 Dock Er,,waneest Evtar QArt 74 TS mePoar QArt se EVENT DESCRIPTION ANO PRCSAst.1 CONSEQUENCES h totall on May 28, 1981, a 1-inch breach in a 3-hour fire barrier was oiscovered in the ;

i N l floor of the Unit 3 Control Room inst outside of the Shift Supervisor's office. I lotalI Due to tiie low combustibility _of materials, the small size of the breach, and the; [TTi"1 I smoke detectors located on both sides of the breach, the possibility of a fire t o is I l n,yo,dina vn-erv low Additionally. the Contr71 Room is continuousiv manned. l E I Therefore,'this incident was of no significance with respect to safe operation, r i o is i I

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t, t oj l The cause of this incident cannot be clearly defined because the breach had been, IT"ITT I covered since construction of tae Unit 3 Control Room.

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