ML19289A053

Forwards Exemption from Requirements of 10CFR50.46(a)(1) to Permit Calculation of ECCS Performance in Accordance W/Acceptable Calculation Model Conforming to App K

ML19289A053
Person / Time
Site:	Trojan File:Portland General Electric icon.png
Issue date:	12/20/1978
From:	Schwencer A Office of Nuclear Reactor Regulation
To:	Goodwin C PORTLAND GENERAL ELECTRIC CO.
Shared Package
ML19289A054	List: ML19289A053 ML19289A055 ML19289A056
References
NUDOCS 7901040191
Download: ML19289A053 (2)

Text

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/ga aseg*e, UNITED ST ATES NUCLEAR REGULATORY COMMISslON f '-

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W ASHINGTON. D. C. 20555

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December 20, 1978 Docket No. 50-: 4

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Sr. Charles Goodwin, Jr.

Assistant Vice President Portland General Electric Company 121 SW Salmon Street Portland, Oregon 97204

Dear Mr. Goodwin:

Enclosed is a signed Exemotion dated December 20, 1979, which exemets the Trojan Nuclear Plant from the requirements of 10 CFR 50.46(a)(1) that ECCS performance ':e calculated in accordance with an acceptable calculational model which conforms to the provisions of Appendix K, without the error contained in the analyses previously submitted to the Commission. This Exemotion in the matter of Facility Operating License No. NPF-1 is conditioned to require submittal of a corrected ECCS analysis as soon as possible, but not later than April 1,1979.

A copy of the Exemption is being filed with the Office of the Federal Register for puolication.

Sincerely,

'/ m A. Schwencer, Chief Operating Reactors Branch #1 Division of Operating Reactors

Enclosure:

Exemption cc w/ enclosure:

See next page 790104oM

Portland General Electric Company December 20, 1978 cc:

Mr. H. H. Phillips Portland General Electric Comoany 121 SW Salmon Street Portland, Oregon 97204 Warren Hastings, Esquire Counsel for Portland General Electric Comoany 121 SW Salmon Street Portland, Oregon 97204 Mr. J. L. Frewing, Manager Generation Licensing and Analysis Portland General Electric Comoany 121 SW Salmon Street Portland, Oregon 97204 Columbia County Courthouse Law Library, Circuit Court Room St. Helens, Oregon 97501 Director, Oregon Department of Energy Labor & Industries Building, Rn 111 Salem, Oregon 97310 Richard M. Sandvik Esquire Counsel for Oregon Energy Facility Siting Counsel and Oregon Department of Energy 500 Pacific Building 520 SW Yamhill Portland, Oregon 97204 Michael Malmmse U. S. Nuclear Regulatory Cornission Trojan Nuclear Plant P. O. Box 0 Rainier, Oregon 97048

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