ML17037C255

Letter Responding to the October 26, 1973 Letter Requesting Detailed Heatup Calculations Be Extended to Higher Burnups

ML17037C255
Person / Time
Site:	Nine Mile Point
Issue date:	11/05/1973
From:	Schneider R Niagara Mohawk Power Corp
To:	Skovholt D US Atomic Energy Commission (AEC)
References
NEDM-10735
Download: ML17037C255 (4)

Text

AEC O'BUTION FOR PART 50 DOCKET MA~RIAL (TEMPORARY FORM) CONTROL NO!8032 FILE:

FRM: DATE OF DOC DATE REC'D LTR MEMO RPT OTHER Niagara Mohawk Power Corp.

Syracuse, N. Y,'3202 11-5-73 11-5-73 b R. R. Schneider TO 0 ORIG CC OTHER SENT AEC PDR X D. J, Skovholt 1 signed SENT LOCAL PDR X CLASS UNCLASS PROP INFO INPUT ~ NO S REC'D DOCKET NO:

40. 50-220 DESCRIPTION: ENCLOSURES:

Ltr re our 10-26-73 ltr......furnishing info re computer calculated points for the maximum average planar lineal heat generation rates...'LANT

/ACKNOWJ EDGED NAME: Nine Mile Point Unit 1 DO NOT REMOVE FOR ACTION/INFORMATION 11 6-73 GC BUTLER(L)

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SYRACUSE. N. Y. 13202 Li REGUlATORY MAIL SECTION 6' November 5, ]973 DOCK CLERK Mr. Donald J. Skovholt Assistant Director for Operating Reactors Directorate of Licensing U. S. Atomic Energy Commission llfashington, D. C. 20545

Dear Mr. Skovholt:

RE: Nine Mile Point Unit 1 Docket'No. SO=220 Your letter of October 26, 1973 requested that detailed heatup calculations be, extended to higher burnups. Tabulated below are the computer calculated points for the maximum average planar lineal heat generation rates at 2S,OOO MI'ID/T for fuel'tilized in Nine Mile Point Unit 1:

initial Core (Figure 4-9B4) 10.6 kw/ft Reload 1 (Figure 4-9B1) 10.1 kw/ft Reload 2 (Figure 4-9B2) 10.1 kw/ft Reload 3 (Figure 4-9B3) 10.3 kw/ft As these data are the same as shown on Figures 4-9B1 to 4-9B4 in NEDN-10735, Supplements 6, 7 and 8, no xevision is required to the "II" curves at extended exposures.

Very truly yours, R.. Schneider, Vice President-Electric Operations

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