ML20141N092

Forwards Safety Evaluation Re K(Z) Curve.Current Tech Spec Fq Value & Associated K(Z) Curve Acceptable.Fq Penalty Unnecessary & Can Be Removed

ML20141N092
Person / Time
Site:	Prairie Island
Issue date:	02/25/1986
From:	Colburn T Office of Nuclear Reactor Regulation
To:	Musolf D NORTHERN STATES POWER CO.
Shared Package
ML20141N093	List: ML20141N092 ML20141N096
References
NUDOCS 8603030558
Download: ML20141N092 (2)

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FEB 2 5 N06 Docket Nos. 50<282 and 50-306  ;

4 Mr. D. M. Nusolf Nuclear Support Services Dept.

Northern States Power Company 414 Nicollet Mall - 6th Floor Minneapolis, Minnesota 55401

SUBJECT:

PRAIRIE ISLAND, UNITS 1 AND 2 - K(2) CURVE We have completed our review of your submittals dated Wovember 4, and December '

18, 1985 relating to the subject item. The details of our review are.

contained in the enclosed Safety Evaluation. ,

Based on our review, we have determined that Prairie Island Units 1 and 2 meet the requirements of 10 CFR 50,46. The current Technical Specifications Fq value of 2.32, and the associated K(z) curve, are acceptable. The Fq penalty is no longer necessary and can be removed.

Sincerely, 1

s/

Timothy G. Colburn, Project Manager Project Directorate #1 Division of PWR Licensing-A +

Enclosure:

Safety Evaluation cc: See Next Page i

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Office: LA/ PAD #1 PM/ PAD #1N PD/ PAD #1f Surname: PShuttled$fb6 TColburs/tg GLear -

Date: 02/g/86 07/16/86 02/J(/86 8603030558 860225 PDR ADOCK 0 % g 2 ,

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FEB 2 51986 Mr. D. M. Musolf Prairie Island Nuclear Generating Northern States Power Company Plant cc:

Gerald Charnoff, Esq.

Shaw, Pittman, Potts and Trowbridge 1800 M Street, NW Washington, DC 20036 Executive Director Minnesota Pollution Control Agency 1935 W. County Road, B2 Rosevi'le, Minnesota 55113 Mr. E. L. Watzl, Plant Manager -

Prairie Island Nuclear Generating Plant Northern States Power Company Route 2 Welch, Minnesota 55089 Jocelyn F. Olson, Esq.

Special Assistant Attorney General Minnesota Pollution Control Agency 1936 W. County Road, B2 Roseville, Minnesota 55113 U.S. Nuclear Regulatory Commission Resident Inspector's Office Route #2, Box 500A Welch, Minnesota 55089 Regional Administrator, Region III U.S. Nuclear Regulatory Commission Office of Executive Director for Operations 799 Roosevelt Road Glen Ellyn, Illinois 60137 Mr. William Miller, Auditor Goodhue County Courthouse

Red Wing, Minnesota 55066 i

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