ML20028G889

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Forwards Amend 163 to License NPF-1 & Safety Evaluation. Amend Revises Tech Spec Table 3.4.6-1 Re RCS Pressure Isolation Valve Leakage to Insure ECCS Check Valve Integrity
ML20028G889
Person / Time
Site: Trojan File:Portland General Electric icon.png
Issue date: 08/27/1990
From: Bevan R
Office of Nuclear Reactor Regulation
To: Cross J
PORTLAND GENERAL ELECTRIC CO.
Shared Package
ML20028G890 List:
References
TAC-69168, NUDOCS 9009050359
Download: ML20028G889 (2)


Text

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4 Docket No. 50-344 August 27, 1990 Mr. James E. Cross Vice President, Nuclear Portland General Electric Company 121 S.W. Salmon Street Portland, Oregon 97204

Dear Mr. Cross:

SUBJECT:

ISSUANCE OF AMENDMENT NO.163 TO FACILITY OPERATING LICENSE NO. NPF-1, TROJAN NUCLEAR PLANT (TAC NO. 69168)

The Commission has issued the enclosed Amendment No.163 to Facility Operating License No. NPF-1 for the Trojan Nuclear Plant. The amendment consists of changes to the Technical Specifications in ressonse to your application dated August 12, 1988 (LCA 169) and clarified >y letter of August 16, 1988.

The amendment insures Emergency Core Cooling System (ECCS) check valve integ-rity by revising the surveillance requirements of Technical Specification Table 3.4.6-1, which relates to leakage from the reactor coolant system pressure isolation valves. The revised Technical Specifications will require that when leakage tests are performed using a test differential pressure lower than the functional maximum, observed leakage rates will be adjusted from the actual test differential pressure in a prescribed mar.ner.

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

Sincerely,

/s/

Roby B. Bevan, Project Manager Project Directorate V

. Division of Reactor Projects Ill, IV,gV and Special Projects 0,f.fice of Nuclear Reactor Regulation

Enclosures:

1.

Amendment No.163 f iNPF-1 2.

Safety Evaluation cc w/ enclosures:

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Senior Resident Inspector U.S. Nuclear Regulatory Comission Trojan Nuclear Plant Post Office Box 0 Rainier, Oregon 97048 Mr. Michael J. Sykes Chairman Board of County ComIssioners Columbia County St. Helens Oregon 97501 4

Mr. David Stewart-Smith Oregon Department of Energy Salem, Oregon 97310 Regional Administrator, Region Y U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 (4)

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