ML20040G082
| ML20040G082 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 01/15/1982 |
| From: | Youngblood B Office of Nuclear Reactor Regulation |
| To: | Schnell D UNION ELECTRIC CO. |
| References | |
| NUDOCS 8202110229 | |
| Download: ML20040G082 (4) | |
Text
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STil 50-483 DEisenhut NSIC SHanauer TIC RMattson ACRS (16)
Mr. D. F. Schnell JKramer Vice President - fluclear RVollmer Union Electric Company RHartfield, MPA P. O. Box 149 OELD St. Louis, Missouri 63166 OIE
Dear fir. Schnell:
WJensen, RSB GMazetis, RSB
Subject:
Request for Additional Information for the Review of the Callaway Plant, Unit 1 Regarding Reactor Systems As a result of our continuing review of the Callaway Plant, Unit 1 FSAR, we find that we need additional information to complete our evaluation. The specific information required is in the ared of reactor systems and is presented in the Enclosure.
To maintain our licensing review schedule, we will need responses to the enclosed request by February 4,1982.
If you cannot meet this date, please inform us within seven days after receipt of th!s letter of the date you plan to submit your responses so that we may review our schedule for any necessary changes. Please note that an advance copy of this question was provided to SNUPPS on December 21, 1981.
4 Please contact Dr. G. E. Edison, Callaway Licensing Project Manager, if you desire any discussion or clarification of the enclosed request.
Sincerely, iM
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Mr. D. F. Schnell i
Vice President - Nuclear Union Electric Company Post Office Bo~x 149 St. Louis, Missouri 63165 cc:
Mr.' Nicholas A. F ~ ick Mr. Fre'd Luekey Executive Dire, n - SNUPPS Presiding Judge, Montgomery 5 Choke Cherry Road County Rockville, Maryland 20850 Rural Route j
Rhineland, Missouri 65069 Gerald Charnoff, Esq.-
Thomas A.. Baxter,. Esq.
Mayor Howard Steffen Shaw, Pittman', Potts &
Chamois, Missourt 65024 Trowbridge 1800 M Street, N. W.
Professor William H. Miller Washington, D. C.
20036 Missouri Kansas Section, Mr. J. E. Birk American Nuclear Society Assistant to the General Counsel Department of. Nuclear Union Electric Company Engineering Post Office Box 149 1026 Engineering Building St. Louis, Missouri 63166 University of Missouri Columbia, Missouri 65211 Mr. John Neisler U. S. Regulatory Commission Robert G. Wright Resident Inspector Office Assoc!?Judgel Eastern. District..
RR#1 Steedman, Mis'souri 65077 County. Court,.Callsla~y~ County,' M0q
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Route.#1 Mr. Donald W. Capone, Manager Fulton, Mi.ssouri-65251 Nuclear Engineering Union Electric Company Kenneth M. Chackes Post Office Box 149 Chackes and Hoare St. Louis, Missouri 63166 Attorney for Joint Intervenors A. Scott Cauger, Esq.
314 N. Broadway Assistant General Counsel St. Louis, Missouri 63102 for the Missouri Public Service Commission Mr. Earl Brown Post Cffice Box 360 School District' Superintendent Jefferson City, Missouri 65101 Post Office. Box 9 Kingdom City, 'llissouri 65262 Ms. Barbara Shull Ms. Lenore Loeb tir. Samuel.J. Birk League of. Women Voters of !!iss'ouri R. R. #1, Box 243 2138 Woodson Road-Morrison, Missouri 65061 St. Louis, Missouri 63114 Mr. Harold Lottman Ms. MaFjorie Reilly.
' Presiding Judge, Dasconade County Energy Chairman of the Route 1 League of Women Voters Owensville, Missouri 65066 of University City, MO
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7065 Pershin~ Avenue Eric A. Eisen, Esq.
g University City, Missouri 63130 Birch, Horton, Bittner and Monroe Suite 1100 1140 Connecticut Avenue, N. W.
Was,hington, D. C.
20036
Mr. D. F. Schnell -
e cc: Mr. John G. Reed Route #1 Kingdom City, Missouri 65262 Mr. Dan I. Bolef, President Kay Drey,.Repr'esentative Board of Directors Coalition for.the Environment St. Louis Region 6267 Delmar Boulevard University City, Missouri 63130 Mr. Donald Bollinger, Me'mber,
Missourians for Safe Energy 6267 Delmar Boulevard University. City, Missouri 63130 Ms. Rose Levering, hember Crawdad Alliance 7370a Dale Avenue St. Louis, Missouri 63117 Mr. James G. Keppler Nuclear Regulatory Commission,. Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137 g
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REQUEST FOR ADDITIONAL INFORMATION 440.0C Reactor Systems Branch 440.lC The analyses of a locked reactor coolant pump rotor. and a sheared reactor coolant pump shaft in the FSAR assumes the availability of offsite power throughout the event.
In accordance with Standard Review. Plan 15.3.3 and GDC 17, we require that this event be analyzed assuming turbine trip and coincident loss of offsite power to the undamaged pumps.
Appropriate delay times may be assumed for loss of offsite power if suitably justified.
Steam generator tube leakage should be assumed at the rates specified in the -Technical Specifications.
The event should also be analyzed assuming the worst. single failure of a safety-system active component. Maximum technical specification primary system activity and steam generator tube leakage shou'd be assumed.
The analyses should demonstrate that offsite doses are less than 10 CFR 100 guidelines values.
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