ML20054L796

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Ro:On 820422,fire Barrier Penetration KK871 Became Nonfunctional Due to Const Activities Required to Install New Conduit.Continuous Fire Watch Established Until Penetration Restored
ML20054L796
Person / Time
Site: Diablo Canyon 
Issue date: 05/28/1982
From: Crane P
PACIFIC GAS & ELECTRIC CO.
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
NUDOCS 8207080485
Download: ML20054L796 (1)


Text

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JOSEPHt.MELtY asweeant es=enat cow.wt Jay 28, 1982 Mr. R. II. Engelken, Regional Administrator Region V U.S. Nuclear Regulatory Camtission 1450 Maria Lane, Suite 210 Walnut Creek, CA 94596 Re: Docket 50-275 License No. DPR-76 Diablo Canyon Unit 1 Opecial Report on Non-Functional Fire Barrier Penetration

Dear Mr. Engelken:

Pursuant to Section 6.9.2 of Appendix A of the Technical Specifications to the Diablo Canyon Unit 1 Operating License, this Special Report is submitted concerning a non-functional fire barrier penetration which was not restored to functional status within 7 days, as required by Technical Specification 3.7.10.

Fire Barrier Penetration KK871 located between the Control Room and the Cable Spreading Room became non-functional on April 22, 1982 due to construction activities required to install new conduit between the two rooms.

As required by the Technical Specification Action Statement, a continuous fire watch was established in the Control Roan until the penetration was restored to j

functional status on May 2G, 1982.

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This condition has in no way affected public health and safety.

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i Very truly yours, t

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Mr. Frank Miraglia, Chief Licensing Branch No. 3 l

Division of Licensing U.S. Nuclear Regulatory Coninission Washington, DC 20555 Service List 8207080485 820528 PDR ADOCK 05000275 PDR

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