ML20127G631

Forwards SE Accepting 740321 Request Re Inserting reload-2 Assemblies Into Reactor

ML20127G631
Person / Time
Site:	Monticello
Issue date:	03/30/1974
From:	Skovholt D US ATOMIC ENERGY COMMISSION (AEC)
To:	Mayer L NORTHERN STATES POWER CO.
Shared Package
ML20127G634	List: ML20127G631 ML20127G650
References
NUDOCS 9211170396
Download: ML20127G631 (2)

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Distribution BScharf, DRA (15) Mkfcket File PCollins, L:0LB AEC PDR SKari, L:RP- Local PDR .j SVarga, L:RP Branch Reading L JRBuchanan, ORNL b=74 TBAbernathy,'DTIE DJSkovholt, L:0R Docket :Jo. 50-263 TJCarter, L:0R ACRS (16)

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ocC DLZiemann, L:0RB #2

- Northern States Power Company JJShea, L:0RB #2 -

AITil: hr. L. O. Mayer, Director of RMDiggs, L:0RB #2 Nuclear Support Services NDube, L:0PS 414 dico net Mall MJinks, DRA (4)

Hinneapolia, hinnesota 55401 Change No. 13 Centlemen: License !io. DPR-22 Your Ictter dated Marcti 21. 1974 requested authority to inscrt -Reload-2 asseeblies, including one segmented test rod (STR) assembly, into the Monticano nuclear reactor ano to perform routine lor power core censure -

sents at power levels less than 1*: of rated. Reload-2 fuel and the STR fuel assembly employ 8x8 fuel rod arrays in contrast with 7x7 fuel rod arrays that nave been used in the Monticeno coro up to the present ti:aa.

You previously proposed by letter dated February 27, 1974, a Technical Specification change to permit insertion of Ox8 fuel assetiolics into the Monticello core. .

We have reviewed your request and have determined that no significant hazards consideration is presented by loading the 8x8 fual assemblies and performing routine core reasurements at power -levels less than 1%

of rated. We also have determined that the health and safoty of the public will not be endangered by such action. A copy of the staff Safety Evaluation la enclosed.

Accordingly, pursuant to Section 50.59 of 10 CFR Part 50,- the Technical Specifications appended to Facility Operating License No. DPR-22.are hereby changea by deleting Technical Specification 5.2A and replacing it with the fonowing specification:

"5.2A The reactor core shall consist of.not snore than 484 fuel assemblien .rith fuel roda in either a 7x7 or 8x8 array."

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PDR~ ADOCK 05000263

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.lorthern States Power Company . e# 4 4

e You also are authorized to perform routine core ramasurements at power 3

i levela less than 12 of ratad as you have requested prior to our authori-zation to return to operation on a power production basis with the Ex6 reload fuel.

l Sincerely,.

onema stem N

3. 3. ~~rchott Donald J. 3kovholt Assistant Director for

Operating Reactora Directorate of Licensing 1

Encloauro : Ken Dzugan Safety Evaluation Minnesota Pollution Control Agency 1935 W. County Road B2 l cc v/ enclosure: Roseville, Minnesota 55113 Arthur Renquist, Esquire Warren R. Lawson,-;f. D.

l Vice President - Law Jecretary & Executive Officar Northern States Power Comoany State Department of Health

, 414 uicollet IIall 717 Delaware Street, G. L.

Minneapo11a, Minnesota 55401 Mf.nneapoliu, P.innesota 55440 i

i Gerald Charnoff Sandra S. Gardebring, Esquire shaw, Pittman, Potts. Trowbridge Minnesota Pollution Control Agency imd Madden 1935 W. County road B2 410 - : 17th S tree t. ii. W . Ronev111c. . Minnesota 55113 l Jashington, D. C. 20006 Anthony Z. Roisman, Esquire 11er.rard J. Vogel, Esquiro Berlin, Rolaman and F.essler l Knittle & Vogel 1712 2 Street,.:. W.

i 1154 East Crain Exchange Building Washington, D. C. 20036 i 412 South 4th Street ,

tinneapolis, Minnesota $5415 Environmental Library of Minnesota Steve Cadler, P. L. cc w/cnclosure and cy of MSP's 1tr

, 2120 Carter Avenue dtd 3/21/74:

St. Paul, Minnesota 55108 Nr. Gary-Williams Federal Activitics Branch

'Ir. Daniel L. Ficker - Environmental Protection Agency Assistant City Attorney 1 N. Wacker Drive, Room 822 647 City Hall Chicago, Illinois 60606 St. Paul, Minnesota 55102 j-o- .*

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