ML20202H795

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Forwards Request for Addl Info Re Util 860227 Tech Spec Change Request on Core Protection Calculator Improvement Program.Response Requested within 30 Days of Ltr Receipt
ML20202H795
Person / Time
Site: Arkansas Nuclear Entergy icon.png
Issue date: 04/04/1986
From: Richard Lee
Office of Nuclear Reactor Regulation
To: Jeffery Griffin
ARKANSAS POWER & LIGHT CO.
References
NUDOCS 8604150452
Download: ML20202H795 (3)


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APR 4 126 Docket No.: 50-368 DISTRIBUTION t Mcket File 50-368 NRC PDR LPDR Mr. John M. Griffin PBD7 Reading Senior Vice President JLee Energy Supply RLee Arkansas Power & Light Company EJordan Post Office Box 551 BGrimes Little Rock, Arkansas 72203 JPartlow

, Attorney, ELD

Dear Mr. Griffin:

ACRS (10)

In conducting our review of your Technical Specifications change request dated February 27, 1986 pertaining to the Core Protection Calculator Improvement Program for Arkansas Nuclear One, Unit 2, we have determined that we will need l the additional information identified in the enclosure to continue our review.

In order for us to maintain our review schedule, your response is requested within 30 days of your receipt of this letter.

The reporting and/or recordkeeping requirements contained in this letter affect  !

fewer than ten respondents; therefore, OMB clearance is not required under P.L.96-511.

Please contact us if you have any questions concerning the request.

Sincerely,

/5 Robert S. Lee, Project Manager PWR Project Directorate No. 7 Division of PWR Licensing-B

Enclosure:

Request for Additional Information cc: See next page fft ghton 4/.2 /86 4p/86 I G604150452 860404 '

PDR ADOCK 05000368 P FDR 1

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Mr. John M. Griffin Arkansas Nuclear One Arkansas Power & Light Company Unit No. 2 cc:

Mr. J. Ted Enos, Manager, Licensing Mr. Charlie B. Brinkman, Manager Arkansas Power & Light Company Washington Nuclear Operations P. O. Box 551 C-E Power Systems Little Rock, Arkansas 72203 7910 Woodmont Avenue Suite 1310 Mr. James M. Levine, General Manager Bethesda, Maryland 20814 Arkansas Nuclear One P. O. Box 608 Russellville, Arkansas 72801 Nicholas S. Reynolds, Esq.

Bishop, Liberman, Cook, Purcell & Reynolds 1200 Seventeenth Street, N.W.

Suite 700 Washington, D.C. 20036 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission ,

Office of Executive Director for Operation's 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Senior Resident Inspector U.S. Nuclear Regulatory Commission P. O. Box 2090 Russellville, Arkansas 72801 Mr. Frank Wilson, Director Division of Environmental Health Protection Arkansas Department of Health 4815 West Markam Street Little Rock, Arkansas 72201 Mr. Robert B. Borsum Babcock & Wilcox Nuclear Power Generation Division Suite 220 7910 Woodmont Avenue Bethesda, Maryland 20814 l 1

4 s REQUEST FOR ADDITIONAL INFORMATION l ANO-2

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CPC IMPROVEMENT PROGRAM RELATED TECHNICAL SPECIFICATION CHANGE REQUEST 4

1. Describe the derivation of Fig. 3.2-1. Why does removal of the flux peaking augmentation factors result in a lower kw/ft limit? Justify how Fig. 3.2-1 is applicable for conditions of either both or neither CEAC being operable.
2. Explain how the 13% DNBR penalty factor in Specification 3.2.4.b was derived.

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