ML20059A809

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Forwards Graphical Representation of Penalty Function Informally Provided to NRC Staff on 930923
ML20059A809
Person / Time
Site: Callaway Ameren icon.png
Issue date: 10/19/1993
From: Schnell D
UNION ELECTRIC CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ULNRC-2889, NUDOCS 9310270133
Download: ML20059A809 (4)


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a Donald F. Schnell

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October 19, 1993 l

U.S. Nuclear Regulatory Commission Attn:

Document Control Desk Mail Station P1-137 Washington, D.C.

20555 ULNRC-2889 Gentlemen:

b DOCKET NUMBER 50-483 CALLAWAY PLANT l

AXIAL FLUX DIFFERENCE PENALTY FUNCTION OF l

OVERTEMPERATURE DELTA-7 REACTOR TRIP

Reference:

ULNRC-2808 dr.ted June 4, 1993 J

In the above reference Union Electric Company submitted an application for amendment to Facility i

Operating License No. NPF-30 for the Callaway Plant.

That application included changes to Technical Specification Tables 2.2-1 and 4.3-1 as well as Bases 3/4.2.2 and 3/4.2.3 for the purpose of revising the AFD penalty function defined in Note 1 of Table 2.2-1 for the Overtemperature Delta-T reactor trip function.

Attached is a graphical representation of the penalty function which was informally provided to NRC Staff on September 23, 1993.

Based on a recent Staff request, i

this "before and after" plot is formally submitted.

If you have any questions on the attachment, please contact us.

Very truly yours, c$lskc x+~

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[_DonaldF.

Schnell

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Attachment:

Callaway F delta-I Plot Comparison E60059 30 9310270133 931019 MB PDR ADOCK 05000483 hh?

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STATE OF MISSOURI

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SS CITY OF ST. LOUIS _

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f Alan C.

Passwater, of lawful age, being first duly sworn upon oath says that he is Manager, Licensing and Fuels (Nuclear) for Union Electric Company; that he has read the foregoing document and knows the content thereof; that he has executed the same for and on behalf of said company with full power and authority _to doso; and that the facts therein stated are true and correct to the best of his-knowledge, information and belief.

By f-I

  1. ff4Cw Alan C.

Passwater Manager, Licensing and Fuels Nuclear SUBSCR BED and sworn to before me this

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-day of eD d>d-1993.

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BARBARA J. PFAFE [ [/

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NOTARY PUBLIC-STATE OF MISSOURI Mt COMMISSION EXPIRES APRIL 22,1991 SL LOUIS COUNTl

EEP 22 '93 14:56 FRCH OPL LICDEf tG TO LE ST LOUIS PAGE.002/002 I

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A.

Baxter, Esq.

l Shaw, Pittman, Potts & Trowbridge 2300 N.

Street, N.W.

Washington, D.C.

20037 e

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H.

Fletcher CFA, Inc.

18225-A Flower Hill Way I

Gaithersburg, MD 20879-5334 r

L.

Robert Greger Chief, Reactor Project Branch 1 U.S.

Nuclear Regulatory Commission Region III 799 Roosevelt Road i

Glen Ellyn, Illinois 60137 Bruce Bartleut Callaway Resident Office U.S. Regulatory Commission RR#1

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Steedman, Missouri 65077 L. R. Wharton (2)

Office of Nuclear Reactor Regulation U.S.

Nuclear Regulatory Commission 1 White Flint, North, Mail Stop 13E21 11555 Rockville Pike Rockville, MD 20852 Manager, Electric Department Missouri Public Service Commission P.O.

Box 360 Jefferson City, MO 65102 i

l Ron Kucera

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Department of Natural Resources-P.O.

Box 176 Jefferson City, MO 65102

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