ML20091E351

Forwards Revs to Figure 2 & Page 7 of 15,Section 2.4.1,per 901114 Submittal of Cycle 5 Core Operating Limits Rept.Subj Figure Provides Graph of Rod Bank Insertion Limits Vs Rated Thermal Power.Revised Page 7 of 15 Withheld

ML20091E351
Person / Time
Site:	Callaway
Issue date:	11/13/1991
From:	Schnell D UNION ELECTRIC CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML19353B306	List: ML20091E351
References
ULNRC-2513, NUDOCS 9111190286
Download: ML20091E351 (4)

Text

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'i3 November 13, 1991 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station P1-137 Washington, D.C.

20555 ULNRC-2 513 Gentlemen:

DOCKET NL CALLAWAY PLA CORE OPERATING _

References:

1) ULNRC-2323 da m.

14, 1990

2) ULN9C-2360 datt S2, 1.991 s w.u

3) ULNRC-2379 dated March 2,,

1991 Reference 1 transmitted the Callaway Plant Cycle 5 Core Operating Limits Report (COLR).

References 2 and 3 revised the W(Z) functions and transmitted the updated W(Z) curves to NRC, respectively, as Revision 1 of the Callaway Cycle 5 COLR.

Attached, please find revisions to Figure 2 and Section 2.4.1 of the Callaway Cycle 5 COLR.

Figure 2 provides a graph of the Rod Bank Insertion

. Limits versus Rated Thermal Power.

This revised

-figure may be directly substituted for the current version in the Callaway Cycle 5 COLR and represents Revision 2 of this document.

Section 2.4.1 specifies the Axial Flux Difference target-bands applicable for burnup levels achieved from the date of this letter through the end of Cycle S.

The' revised page 7 of 15 (attached) may be directly substituted for the current page 7 of 15 in the Callaway Cycle 5 COLR and represents Revision 3 of this document.

6 i

9111190286 911113 PDR ADOCK 0U000433-1

-- P PDR

U.S.

Nuclear Regulatory Commission Page 2 These revisions do not result in any change to any RSAC parameter nor do they impact either the LOCA or non-LOCA transient analysis previously performed for the remainder of Cycle 5.

Should you have any questions concerning this information, please contact us.

Very truly yours, m/

G V V/

Donald F.

Schnell WEK/ dis Attachment

-._ ~ _.

.- ~.

g cc:-

T.i A. Baxter, Esq.

.. Shaw,-Pittman, Potts t .'rowbridg e s

2300 N.iStreet, N.W.

Washington,;D.C. 20037 Dr. J. O..Cermak

. CFA,-Inc.

18225-A Flower Hill Way Gaithersburg, MD 20879-5334 R.- C. Knop iChief,. Reactor Project Branch 1 U.S.- Nuclear Regulatory Commissien Region III-

- 799 Roosevelt Road Glen Ellyn, Illinois 60137 Bruce Bartlett Callaway Resident Office U.S. Nuclear ~ Regulatory Commission RR#1' Steednian, Missouri 65077

- M.. -- D. Lynch (2).

Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission

-1 White. Flint,: North, Mail-Stop~13E21 11555 Roc'.ville Pike Rockville, MD 20852 Manager,_ Electric Department Missouri Public Service Commission P.O.

Box 360 Jefferson City,.MO 65102 S::

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ino FULLY INSERTED RATED THERMAL POWER (Percent)

FIGURE 2 ROD EANK INSERTION LIMITS VERSUS

-RATED THERMAL POWER - FOUR LOOP OPERATION CALU,' JAY - UNIT 1

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