ML20113H455
| ML20113H455 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 07/23/1992 |
| From: | Schnell D UNION ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20113H457 | List: |
| References | |
| ULNRC-2672, NUDOCS 9208030051 | |
| Download: ML20113H455 (4) | |
Text
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- Unic>u au2 y 2 3, 1992 .mu r. scaee,1 Etucritic a:""' " m -U.S. Nuclear-RcJulatory Commission ATTN: Occument Control. Desk Mai] Station P1 137 Washington, D.C. 20555 Gentlemen: ULNRC-2672 DOCKET NUMBER 50-483 CATeLAWAY PLANT BASES CHANGES ASSOCIATED WITH DELTA-T SURVEILLANCES IN TRCJ_INICAL SPEQJJ.I_CARQ_ TABTeRG.13-1 M[D 4,J-2 N
References:
1. ULimC-2456 dated 8-7-91, Request for Amendment to Delta-T Surveillances
- 2. ULNRC-2393 dated 4-1-91, LER 91-001-00 (as revised by ULN'RC-2460 dated 8-14-91 and ULNRC-2481 dated 9-12-91)
- 3. NRC letter dated 6-8-92, Denial of Amendment Request for Reactor Trip System'Iratrumentation Surveillance Union Electric Company herewith trancmits changes to the Callaway Technical Specification Bases which are taken from References 1-3.
These. changes are reg' tested in order 'to address the l issues raised in References 1 and 2 regarding OT Delta-T, OP Delta-T, and Vessel Delta-T'(Power-1, Power-2)Lchannel o calibrations at the beginning.'of each cycle.during startup testing. Consistent with Reference 3, Bases pages E 2-5, B 2-6, and-'B.2-7 are-revised to reflect that, for the startup of a L refueled core until.. measured at 100% Rated Thermal ^ Power (RTP), Delta To is initially assumed at a value which ir . conserve ively lower than the.last measured 100t RTP Delta To for-ea<a loop. If you nave any questions on the attached Bases changes, please contact us. Very truly ytt rs, / An iI pxbG%'- c' w O U. U. - e m VdI Donald F. Schnell b GGY/kea: {l M Attachmert
- 9208030051 920723--
POR ADOCK 05000483-1 L .P. PDR
-l [ STATE OF MISSOURI ) P ) SS -CITY OF-ST.-LOUIS } Donala /, Schnell, of lawful age, being first duly sworn upon oath says that he is Senior Vice President-Nuclear and an officer of Union Electric Company; that he has reatl 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 do so; and that the. facts therein stated are true and correct to the best of his knowledge, information and belief. 7 } Ey_ /1914A))4 d D'onald F.h chne31 Senior Vice Pl.esident Nuclear SUBS RIBED and-sworn to before me this 2 3d [ -day of L /t de1 1992. y V A
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-{! (l (! SARBARA A PF AFF NOTW l'UBilC, SIATE Of MissouR Mi COMMISSIGN EXPIRES APRIL 42, 1993 ST, LOUIS C0tJNTY 5 6 9
g .I_ ~ t o ^. 'lj J 'cc: T. A. Baxter,-Esq. Shaw,.Pittman,:Potts & Trowbridge 2300~N. Street, N.W. Washington, D.C. 20037 Or, J. O. Cermak CFA,- Inc. 18225-A Flower Hill Way_ Gaithersburg, MD 20879-5314 R. C.;Anop 1 Chief, Reactor Project Branch 1 U.S. Nuclear Regulatory Commission Region III 799_-Roosevelt Road ' Glen Ellyn,-Illinois 60137 Bruce Bartlett Callaway Resident' Office U.S.. Nuclear Regulatory _ Commission RR#1-Steedman, Mirsouri 65077 -L. R. Wharton '(2) Of fice of Nuclear Reactor Regulation ~U.S._ Nuclear. Regulatory Commission I!
- 1. White Flint, North, Mail.Stop 13E21 11555 Rockville' Pike'
.Rockville,-MD-20852 Manager, Electric Department l Missouri Public' Service Commission g; b -P.O. Box-360 L Jefferson City, MO 65102~ Ron Kucera -Departmentlof Natural Resources l P.O. Box 376 Jefferson' City, MO 65102 L I e 5 = - <
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