ML20012E843

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Forwards Amend 158 to License NPF-1 & Safety Evaluation. Amend Temporarily Changes Tech Specs to Permit Opening of Outside Air Makeup Dampers for Normal &/Or Emergency Control Room Ventilation Sys for Up to 1 H
ML20012E843
Person / Time
Site: Trojan File:Portland General Electric icon.png
Issue date: 03/23/1990
From: Bevan R
Office of Nuclear Reactor Regulation
To: Higgins W
PORTLAND GENERAL ELECTRIC CO.
Shared Package
ML20012E844 List:
References
TAC-75512, NUDOCS 9004060431
Download: ML20012E843 (3)


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March 23, 1990' Docket No. 50-344' DISTRIBUTION cNI WJones(P130A)

NRC & Local PDRs JCalvo JZwolinski ACRS(10)

Mr. Walter M. Higgins PShea GPA/PA I

Senior Vice President, Generation RBevan OC/LFMB Portland General Electric Company 00C PDS Plant file 121 S.W. Salmon Street DHagan(MNBB3302) RegionV(4)

Portland, Oregon 97204 EJordan (MNBB 3302) PD5 Reading GHill(4)(P1-37) i

Dear Mr. Higgins:

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SUBJECT:

ISSUANCE OF AMENDMENT NO.158TO FACILITY OPERATING LICENSE NO NPF-1, TROJAN NUCLEAR PLANT (TAC NO. 75512)

.i The Commission has issued the enclosed. Amendment No.158 to Facility Operating i

License No. NPF-1 for the Trojan Nuclear Plant. The amendment consists of changes to the Technical Specifications in, response to your application l

(LCA-189) dated December 27, 1989. This is a followup to our telephone t

authorization and letter of December 28, 1989. The action you requested was l

authorized at that time on an emergency basis as discussed in the enclosed i

Safety Evaluation.

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j The amendment is a temporary change to the Trojan Technical Specifications that will permit opening the outside air makeup dampers for the normal and/or emergency control room ventilation system for up to one hour provided l

appropriate compensatory measurements are taken to mitigate the consequences of a chlorine gas accident, j

A copy of the'related Safety Evaluation is also enclosed. The notice of issuance will be included in the Commission's next regular biweekly Federal

Register notice.

Sincerely, i

i ORIGINAL SIGNED BY R. BEVAN t

Roby B. Bevan, Project Manager i

Project Directorate V Division of Reactor Projects III, IV, V and Special Projects Office of Nuclear Reactor Regulation

Enclosures:

1.

Amendment No.158 to NPF-1 2.

Safety Evaluation ec w/ enclosures:

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See next page

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March 23, 1990 l

lL Docket No. 50-344 i

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Mr. Walter M. Higgins i

Senior Vice President, Generetion i

Portland General Electric Company i

121 S.W. Salmon Street Portland, Oregon 97204

Dear Mr. Higgins:

SUBJECT:

ISSUANCE OF AMENDMENT NO.158 TO FACILITY OPERATING LICENSE NO NPF-1. TROJAN NUCLEAR PLANT (TAC NO. 75512)

The Commission has issued the enclosed Amendment No.158 to Facility Operating License No. NPF-1 for the Trojan Nuclear Plant. The amendment co7isists of changes to the Technical Specifications in response to your application i

(LCA-189) dated December 27, 1989. This is a followup to our telephone authorization and letter of December 28 1989. The action you requested was

. authorized at that time on an emergency, basis as discussed in the enclosed Safety Evaluation.

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The'arendment is a temporary change to the Trojan Technical Saecifications.

that will permit opening the outside air makeup dampers for tie normal and/or emergency control room ventilation system for up to one hour provided appropriate compensatory measurements are taken to mitigate the consequences of a chlorine gas accident.

L A copy of the related Safety Evaluation is also enclosed. The notice of issuance will be included in the Comission's next regular biweekly Federal t

ggisternotice.

Sincerely, Roby B. Bevan, Project Manager

'3 Project Directorate Y Divisio'n of Reactor Projects III, IV, V and Special Projects Office of Nuclear Reactor Regulation

Enclosures:

1.

Amendment No.158 to NPF-1 2.

Safety Evaluation cc w/ enclosures:

See next page i

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Mr. Walter M. Higgins Trojan Nuclear Plant N

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Portland General Electric Company l

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Senior Resident Inspector s

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U.S. Nuclear Regulatory Comission i

Tnjan Nuclear Plant L

Post Office Box 0 h

Rainier, Oregon 97048

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Mr. Michael J. Sykes Chairman BeardofCountyComIssioners Columbia County.

i St. Helens, Oregon 97501 l

Mr. David Stewart-Smith h

Oregon Department of Energy i

' Salem, Oregon 97310 l

Regional Administrator, Region V l

U.S. Nuclear Regulatory Comission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 l

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