ML20133H754

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Forwards Safety Evaluation Supporting Util Response to Generic Ltr 83-28,Item 4.1,concerning Reactor Trip Sys Reliability (vendor-related Mods).Actions Specified by Item 4.1 Satisfactorily Completed
ML20133H754
Person / Time
Site: Trojan File:Portland General Electric icon.png
Issue date: 10/10/1985
From: Butcher E
Office of Nuclear Reactor Regulation
To: Withers B
PORTLAND GENERAL ELECTRIC CO.
Shared Package
ML20133H757 List:
References
GL-83-28, TAC-53106, NUDOCS 8510180102
Download: ML20133H754 (2)


Text

1 ,

[ October 10, 1985 / (,d 1 Docket No. 50-344 [

i ofG Mr. Bart D. Withers Vice President Nuclear Portland General Electric Company 121 S.W. Salmon Street Portland, Oregon 97204

]

Dear Mr. Withers:

SUBJECT:

SAFETY EVALUATION FOR GENERIC LETTER 83-28 ITEM 4.1 1

The staff has completed its review of your response to Generic Letter 83-28, Item 4.1, Reactor Trip System Reliability (Vendor-Related Modifications).

The staff's safety evaluation (SE) is enclosed.

l The staff concludes that, based on PGE's review of sources of vendor-recommended modifications to the reactor trip system and confinnation that all recommended modifications have been implemented, PGE has satisfactorily completed the actions specified by Item 4.1.

Sincerely, a

i Edward J. Butcher, Acting Chief Operating Reactors Branch No. 3 4 Division of Licensing

Enclosure:

Safety Evaluation  :

i cc w/ enclosure:

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6 e Mr. Bart D. Withers Portland General Eletric Company Trojan Nuclear Plant cc:

Senior Resident Inspector U.S. Nuclear Regulatory Commission Trojan Nuclear Plant Post Office Box 0 Rainier, Oregon 97048 Robert M. Hunt, Chairman Board of County Commissioners Columbia County St. Helens, Oregon 97501 William T. Dixon Oregon Department of Energy Labor and Industries Building Room 111 Salem, Oregon 97310 Regional Administrator, Region V U.S. Nuclear Regulatory Commission Office of Executive Director for Operations 1450 Maria Lane, Suite 210 Walnut Creek, California 94596