ULNRC-03633, Forwards Rev 6 to Callaway Cycle 9 Colr.Rept Has Been Updated to Provide New Rod Insertion Limits for Cycle 9 Operation

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Forwards Rev 6 to Callaway Cycle 9 Colr.Rept Has Been Updated to Provide New Rod Insertion Limits for Cycle 9 Operation
ML20217M901
Person / Time
Site: Callaway Ameren icon.png
Issue date: 08/13/1997
From: Passwater A
UNION ELECTRIC CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20217M905 List:
References
ULNRC-03633, ULNRC-3633, NUDOCS 9708250352
Download: ML20217M901 (2)


Text

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hyyy August 13,1997 Eurnuc P3 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station PI-137 Washington, D.C. 20555-0001 Gentlemen: ULNRC- 03633 CALLAWAY PLANT DOC:iET NUMHER 50-483 CORE OPERATING LIMITS REPORT Attached please find Revision 6 to the Callaway Plant Cycle 9 Core Operating Limits Repon (COLR). The COLR has been updated to provide new rod insenion limits for Cycle 9 operation. The new rod insertion limits provide additional shutdown margin, which has been decreasing due to the axial offset anomaly experienced in Cycle 9. This update is hereby submitted per Technical Specification 6.9.1.9. If you have any questions concerning this report, please contact us.

Very truly yours, 1 h Alan C. Passwater Manager Licensing and Fuel:

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9708250352 970813

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Professional Nuclear Consulting, Inc.

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' 19041 Raines Drive Derwood, MD 20855-2432 Regional Administrator U.S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive Suite 400 Arlington, TX 76011-3uC4 Senior Resident Inspect or Callaway Resident Otfice U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Barry C. Westreich (2)

Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission 1 White Flint, North, Mail Stop 13E16 11555 Rockville Pike

} Rockville, MD 20852-2738 Manager, Electric Department Missouri Public Service Commission P.O. Box 360 Jefferson City, MO 65102 kr