ML20070T144

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Discusses Steam Generator Tube Failures at Facility,In Response to 821026 ltr.Eighty-day Outage in 1982 Due to Failure of Auxiliary Feedwater Header Inside Generator.No Major Maint Anticipated in Next 5 Yrs
ML20070T144
Person / Time
Site: Davis Besse Cleveland Electric icon.png
Issue date: 02/03/1983
From: Crouse R
TOLEDO EDISON CO.
To: Eisenhut D
Office of Nuclear Reactor Regulation
References
876, NUDOCS 8302080223
Download: ML20070T144 (2)


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TOLEDO EDISON Docket No. 50-346 Rcs m P.Cno w v<. em.o=

License No. NPF-3 Nxlear

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Serial No. 876 February 3, 1983 I

Mr. Darrell G. Eisenhut, Director Division of Licensing Office of Nuclear Reactor Regulation United StatesD.C.

Washington, Nuclear Regulatory Commission 20555

Dear Mr. Eisenhut:

This is in response to your letter dated October 26 concerning Steam Generator Tube Integrity.

1982 (Log No. 1121),

pertains to Davis-Besse Nuclear Power Station Unit NoThe following information NRC Resident Inspector.either in the public document 1 and isroom available or station records access e to the Davis-Besse has had limited steam generator tube failur year t.ime period covered by the questionnaire. es in the four Only in the last two generator respectively. related problems and these were for 21 days an am feedwater initiated header difficulties. inside the steam generator ube failure rather than any tThe required by our Technical Specifications and canpublic document room. be found in theThe numb years. No major maintenance is anticipated in the next five Personnel exposure for steam generator related work over th years has varied from 8 to 12% of the total annual employee e last three dose terms of total work force, this amounts to from les . In 20 to 45 workers). s than 1 to 3.8% (or The temporary personnel utilized in steam generator related from 10 to 20 workers per year which amounts to 70 to 80% work ranges workers involved in steam generator related work. of the total use independent firms to find temporary employees who have e ved an rec iToledo Edison does not occupational dose from steam generator related work .

O THE TOLEDO ED! SON COMPANY EDISON PLAZA 0302080223 830203 300 MADISON AVENUE TOLEDO, OHIO 43652 PDR ADOCK 05000346 p PDR

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Dockat No. 50-346 License No. NPF-3 i Serial No. 876 l February 3, 1983 Page 2 1

We trust this information satisfies your needs. Should any questions j.

arise, however, please feel free to contact us.

Very truly yours, r-3 I

l RPC:LDY:lah cc: DB-1 NRC Resident Inspector a.

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