U-602700, Forwards CPS COLR for Reload 6 Cycle 7, Rev 0
| ML20137C574 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 03/20/1997 |
| From: | Tdlthorst P ILLINOIS POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20137C579 | List: |
| References | |
| U-602700, NUDOCS 9703250047 | |
| Download: ML20137C574 (2) | |
Text
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Q lihnois Power Company Chnton Power Station i
P O. Box 678 Chnton, IL 61727 Tel 217 935-8881 P&WER m2m 8E.100c March 20,1997 Docket No. 50-461 10CFR50.36 Document Control Desk Nuclear Regulatory Commission Washington, D.C. 20555
Subject:
Clinton Power Station Core Operating Limits Report for Reload 6. Cycle 7. Revision 0
Dear Sir:
Attached is a copy of Clinton Power Station (CPS) Core Operating Limits Report (COLR) for Reload 6, Operating Cycle 7, Revision 0. In accordance with CPS Technical Specification 5.6.5, the analytical methods used to determine the core operating limits were previously reviewed and approved by the Nuclear Regulatory Commission (NRC) in General Electric Standard Application for Reactor Fuel (GESTAR), NEDE-24011-P-A, as amended, except that the Minimum Critical Power Ratio (MCPR) Safety Limits for Operating Cycle 7 were determined as described in Illinois Power (IP) letters (to the NRC) U-602624 dated August 15,1996; U-602651 dated October 28,1996; and U-602662 dated November 15,1996 It should be noted that the power dependent MCPR curves contained in the attached COLR (Figures 2.2-2a,2.2-2b, and 2.2-2c) reflect corrections to account for the potential delta-CPR resulting from a Turbine Pressure Regulator Downscale Failure (PRDF) transient between 40 and 80 percent of rated thermal power, as described in CPS Licensee Event Report (LER)97-001 and 10CFR21 notification dated January 28,1997 (IP letter U-602685). The transient was analyzed in accordance the analytical methods in GESTAR. As identified in IP's January 28,1997 letter, this transient was not previously recognized as being limiting in this power range.
Sincerely yours, 0:&AG &
f00\\ j 9703250047 970320 Paul J. Telthorst PDR ADOCK 05000461 P
PDR Director, Licensing l
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NRC Clinton Licensing Project Manager NRC Resident Office, V-690 Regional Administrator, Region III, USNRC i
Illinois Department of Nuclear Safety I
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