ML20010A948

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Advises That Fire Suppression Sys Will Not Meet Operability Requirements During Sys Mod.Alternate Fire Protection Info Listed.Fire Hydrant 4 Will Be Out of Svc from 810803-21
ML20010A948
Person / Time
Site: Trojan File:Portland General Electric icon.png
Issue date: 07/28/1981
From: Yundt C
PORTLAND GENERAL ELECTRIC CO.
To: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
CPP-533-81, NUDOCS 8108130156
Download: ML20010A948 (1)


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Trojan Nuclear Plant g

P.O. Box 439 July 28, 1981 CPY-533-81 Rainier, Oregon 97048

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(503)556-3713

.,pfj Mr. R. H. Engelken, Director U.S. Nuclear Regulatory Commission, Region V 1990 North California Blvd.

Welnut Creek, CA 94596

Dear Sir:

Pursuant to Action paragraph 3.7.8.1.c, the following information is provided.

During system modification, Trojan's Fire Suppression System will not meet operability requirements as defined in paragraph 3.7.8.1.c.

RDC 80-040, DCP 8, requires fire hydrant No. 4 to be relocated in order to maintain a dependable water supply after temporary on-site construction of the Technical Support Center.

Alternate fire protection for the areas covered during modification are as follows:

1.

Warehouse a.

No smoking throughout warehouse.

b.

Establish a roving fire watch every hour.

2.

Transformers a.

Run.a fire hose from fire hydrant No. 6 to the transformer area.

3.

Steam generator feed pump lube oil reservoirs a.

Run a fire hose from hose station No. 5 to the lube oil reservoir area.

4.

Emergency diesel generators (Sprinkler Systems A 6 B)

Run a jumper hose from the sprinkler drain to fire hose station No. 5.

a.

b.

Establish a continuous fire watch for the emergency diesel generators.

The No. 4 fire hydrant will be placed out of service on August 3, 1981, and be returned to service by August 21, 1981.

Sincerely, N

C. P. Yundt General Manager h

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D. J. Brochl C. F. Marpe B. D. Withers Shift Supervisor.s R. L. Sullivan

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