ML17179A564
| ML17179A564 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 11/09/1992 |
| From: | Siegel B Office of Nuclear Reactor Regulation |
| To: | Kovach T COMMONWEALTH EDISON CO. |
| References | |
| TAC-M84683, NUDOCS 9211130181 | |
| Download: ML17179A564 (2) | |
Text
Mr. Thomas J. Kovach Nuclear Licensing Manager Commonwealth Edison Company-Suite OPUS West III 1400 OPUS Place Downers Grove, Illinois 60515
Dear Mr. Kovach:
November 9, 1992 e 300
SUBJECT:
DRESDEN NUCLEAR POWER STATION, UNIT 2, CYCLE 13 COASTDOWN (TAC NO. M84683)
.... ~
By letter dated October 7, 1992, Commonwealth Edison Company (CECo) submitted a request for extension of the present cycle burnup.
Currently, Dresden Unit 2 is in Cycle 13 (D2Cl3) and was originally *scheduled to shut~own for refueling in September 1992.
However, since the Uni_t 2 shutdown date.was moved from September 1992 to January 1993, additibn~l analysischad to be*~ :
performed to ensure that the Core Operating.limits Report.{COlR) limits r~~ain bounding.
Siemens Power Corpor~tion (SPC)' ~as. r~tjuesteef to conduct.
appropriate *analyses before the* D2Cl3 exposure:*exceeds. :24; 364 MWO/MTU.
.The * :, ':.
projected end-of-cycle exposure is 25,295 MWD/MTU.
Some of the approved computer codes used; 'i n"'the an~]Y,S E' incl ~de CASMO-.
3G/MICROBURN-B, COTRANSA2, XCOBRA, XCOBRA-T with AN.FB CrHJcal. Power Correlation, and RODEX2.
These advanced codes and~corres~o~ding met~o~olog{es have been generically approved* by the staff.. *
?.
- ,1 r'
J Since the generic analysis conducted by SPC sho.w.ed-th~t no changes'-.are *:* *.**
required_to the Dresden Unit 2 COLR for th~ d~ratio~:of thi.s operating cycl~ * *,
and you are using codes that have been prevfously_ approve.d by the staff, we:
have *no objection to the use of these codes in evaluating tile-end of cycle.
exposure limits for Dresden, Unit 2.
Sincerely, Signed by:
Byron L. Siegel, Project Manager Project Directorate 111-2 OFC cc:
See next page*
DISTRIBUTION:
L,Q:9-f:l£.e[:Jj.J~1 NRC & Local PDRs PDIII-2 r/f J. Roe J. Zwolinski J. Dyer C. Moore*
B. Siegel OGC A. Attard ACRS(lO)
PDIII-2 p/f B. Clayton, Riii NAME
- cMOORE DATE. : I/ !Cf /92 Division of Reactor Projects - 111/IV/V Office of Nuclear Reactor Regulation
Mr. Thomas J. Kovach Commonwealth Edison Company cc:
Michael I. Miller, Esquire Sidley and Austin One First National Plaza Chicago, Illinois 60690 Mr. C. Schroeder Plant Manager Dresden Nuclear Power Station 6500 North Dresden Road Morris, Illinois 60450-9765 U. S. Nuclear Regulatory Commission Resident Inspectors Office Dresden Station 6500 North Dresden Road Morris, Illinois 60450-9766 Chairman Board of Supervisors of Grundy County Grundy County Courthouse Morris, Illinois 60450 Regional Administrator Nuclear Regulatory Commission, Region III 799 Roosevelt Road, Bldg. #4 Glen Ellyn, Illinois 60137 Illinois Department of Nuclear Safety Office of Nuclear Facility Safety 1035 Outer Park Drive Springfield, Illinois 62704 Robert Neumann Office of Public Counsel State of Illinois Center 100 W. Randolph Suite 11-300 Chicago, Illinois 60601 Dresden Nuclear Power Station Unit Nos. 2 and 3