ML20064J157
| ML20064J157 | |
| Person / Time | |
|---|---|
| Site: | Farley  |
| Issue date: | 12/21/1978 |
| From: | Clayton F ALABAMA POWER CO. |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7812290127 | |
| Download: ML20064J157 (2) | |
Text
Aiacama Rwer Ccmmy
., * *
- 600 Nom 18:9 5 rse est Cece Boa 2641 Sergaam. Atatra 35291 Te ecnone 205 323-5341 F. L CtAYTON. JR AlabamaPower Senect %ce Pesicent tre swem eectnc ustem
. December 21, 1978 Docket No. 50-348 Director of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission flashington, D.C.
20555 Attn:
Mr. Albert Schwencer
Dear Mr. Schwencer:
Re: Changes to Operating License No. NPF-2 Technical Specifications Alabama Power Company proposed changes to the Joseph M. Farley Nuclear Plant Operating License No. NPF-2 Technical Specification 4.2.2.2.e.2 in-volving Fxy limits. Enclosed is the response to an NRC question asked during review of the subject changes.
If you have questions, please advise.
Yours very truly, Y
s.,
F. L. Clayt
, Jr. 05 i
FLCJr/TNE:bhj cc:
Mr. R. A. Thomas Mr. G. F. Trowbridge f
7N.2?.9OM p
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ENCLOSURE FARLEY UNIT 1 Fxy CHANGE NRC OUESTION:
The bases for the proposed Fxy change state that bounding values of the power factor F (Z)X (Relative Power) were g
calculated as a function of elevation by assuming various load follow transients on the reactor through insertion and removal of control rod banks C and D.
Describe the
'l calculations that were performed and discuss the load follow transients that were assumed.
RESPONSE
The methods of WCAP-8385, Ropical Report: Power Distribution Control and Load Following Procedures)were employed utilizing the PEAKING FACIOR subcase analysis. The analysis was justified in the letter NS-CE-1749 of April 6,1978 from C. E. Eicheidinger of Westingouse to J. F. Stoltz, LWR Branch Chief of the NRC Division of Project
~
Management.
.