ML20127G656

Forwards SE Accepting 720922 Request Re Proposed Changes to TS on Reactivity

ML20127G656
Person / Time
Site:	Monticello
Issue date:	11/27/1973
From:	Skovholt D US ATOMIC ENERGY COMMISSION (AEC)
To:	Mayer L NORTHERN STATES POWER CO.
Shared Package
ML20127G659	List: ML20127G656 ML20127G666
References
NUDOCS 9211170401
Download: ML20127G656 (3)

Text

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t NOV 2 71973 jk Docket No. 50-263 Northern States Power Company ATTN. Mr. L. O. Mayer, Director of Nuclear Support Services 414 Nicollet Mall Minneapolis, Minnesota 55401 Change no. 11 Gentlemen: License No. OPR-22 Tour letters of January 18, March 2, April 11, and October 4, 1973, submitted additional information concerning your request dated September 22, 1972, for proposed changes to the Technical Specifi-cations of the Monticello Huclear Generating Plant to revise the maximum reactivity that could be added by the dropout of any one control blade. Tour September 22, 1972 letter also proposed additional survei11ance requirements for the rod worth minimizer.

l During our review of your proposed chances, we informed your staff l that certain modifications were necessary in the bases for the maxim:n l reactivity added specification and in the limiting condition for operation of the rod worth minimizer. The modification to the bases has been made. The modification to the limiting condition of operation

, for rod worth minimizer operability has been made with an effective i date of May 1,1974, to allow time for implementation of measures necessary to achieve acceptable rod worth minimizar reliability and operability.

We have concluded that the proposed changes to the Ttchnical Specifi-cations, as modified, do not present significant hazards considerations and that there is reasonable assurance that the health and safety of the public vill not be endangered.

l l A copy of our Safety Evaluation of this change is enclosed.

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Morthern States Power Company NOV : 7 373 Pursuant to Section 50.59 of 10 CFR Part 50, the Technical Spesifi-cations of Facility Operating License No. DPR-22 are hereby changed 4

by replacing pages 77, 78, 82, and 84 with the revised pages appended hereto.

[ Sincerely, Onqinal Sign *1 b7

) p, ;. CWholt i Donald J. Skovholt

j. Assistant Director for Operating Reactors Directorate of Licensing

Enclosures:

1. Safety Evaluation

2. Revised pages cc w/ enclosures

4 Donald E. Nelson, Esquire Kan Daugma VP and GC Minnesota Pollution Control Agency 4

Northern States Power Company 717 Delaware Street, S. E.

, 414 Nicollet Mall Mia polis, Minnesota 55440 i Minneapolis, Minnesota 55401 Warren R. Lawson, M. D.

l Cerald Charnoff Secretary & Executive Officer i Shaw, Pittman, Potts, Trowbridge & Madden State Department of Health l 910 - 17th Street, N. W. 717 Delaware Street, S. E.

Washington, D. C. 20006 Minneapolis, Minnesota 55440 i

Howard J. Vogel, Esquire Environmental Library of l Knittle & Vogel- Minnanota I 814 Flour Exchange Building 1222 S. E. 4th Street

, N4 - aaolis, Minnesota 55415 Mirusapolis, Minnesota 55414 Steve Gadler, P. E. See next page for additional

! 2120 Carter Avenue ec St. Paul, Minnamota 55108 Harriett Lansing, Esquire Assistant City Attorney City of St. Paul i 638 City Hall

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St. Paul,liinnesota 55102 l

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o Northern States Power Company 'Y/ ~ ' OI3 cc w/ enclosures and cy of NSP ltra dtd 9/22/72,1/18/73, 3/2/73, 4/11/73, and 10/4/73:

Mr. Hans L. Eamester ,

ATTN: Joan Sause i Office of Radiation Programs Environmental Protection Agency Room 647A East Tower, Waterside Mall 401 H Street, S. W.

4 - Washington, D. C. 20460

• Mr. Gary W1111ame ,

Federal Activities Branch Y Environmental Protection Agency

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