ML20140C697

Ro:On 840531,3 H Rated Barrier Between Computer & Cable Spreading Rooms in Control Bldg Identified as Nonfunctional. Caused by Degradation During 840518 Mod Activities.Barrier Restored on 840531

ML20140C697
Person / Time
Site:	Trojan File:Portland General Electric icon.png
Issue date:	06/08/1984
From:	Yundt C PORTLAND GENERAL ELECTRIC CO.
To:	Martin J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
CPY-561-84, NUDOCS 8406190416
Download: ML20140C697 (1)

Text

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emm. eut Portland General Electric Company June 8, 1984 Trojan Nuclear Plant . CPY-561-84 P.O. Box 439 Rainier, Oregon 97048 (503)556-3713 Mr. John B. Martin

. Regional Administrator - V  ;

U. S. Nuclear Regulatory Commission 1450 Maria Lane - Suite 210 Walnut Creek, California 94596-5368

Dear Sir:

Limiting conditions for operation (LCO) 3.7.9 of the Trojan Technical Speci-fications require that a special report be provided if certain fire barrier penetrations become nonfunctional and cannot be returned to functional status within seven days.

As a result of surveillance during Plant Modifications on May 31, 1984, a three hour rated barrier between the Computer Room and the Cable Spreading Room in the Control Building was identified as being nonfunctional. It had been degraded during scheduled modification activities on May 18, 1984. Compensatory fire protection was provided during the period of degradation as required by the Trojan Technical Specifications. This barrier was restored to a functional status on May 31, 1984.

1 Sincerely, f

C. P. undt General Manager e  ;

CP 10 / :pjj c: ER Distribution

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