ML20151Y746

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Forwards Resident Insp Repts 50-317/85-34 & 50-318/85-34 on 851211-860120.No Violation Noted.Weaknesses in Preparation for & Conduct of Maint on Energized Electrical Bus Noted
ML20151Y746
Person / Time
Site: Calvert Cliffs  Constellation icon.png
Issue date: 02/04/1986
From: Wenzinger E
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To: Tiernan J
BALTIMORE GAS & ELECTRIC CO.
Shared Package
ML20151Y748 List:
References
NUDOCS 8602130123
Download: ML20151Y746 (2)


See also: IR 05000317/1985034

Text

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L FEB 0 41986 Docket / License: 50-317/DPR-53 50-318/DPR-69 Baltimore Gas and Electric Company ATTN: Mr. J. A. Tiernan Vice President, Nuclear Energy P. O. Box 1475 Baltimore, Maryland 21203 Gentlemen: Subject: NRC:RI Inspection 50-317/85-34; 50-318/85-34 This transmits the December 11, 1985 - January 20, 1986 resident inspection find- ings by Messrs. T. Foley and D. Trimble at the Calvert Cliffs Nuclear Power Plant, Lusby, Maryland. Those findings were based on observation of activities, inter- views and document reviews which have been discussed with Mr. Lemmons of your staff. Weaknesses were noted in the areas of: (1) preparations for and conduct of main- tenance on an energized electrical bus (a loss of the particular bus involved'was found by the Interim Reliability Evaluation Progr_am to be a possible initiator of a dominant accident sequence) (see Section 8 for details) and (2) apparent infor- mality in the documentation follow through for a temporary change to a procedure ~ (Section 9). Attention to these area's may be warranted. Within the scope of this inspection, no .violatf or.s _were observed. ' Noreplytothisletterisrequired.IYourcooperationwithusis-appreciated. Sincerely, s ori::i= 1 Siccod B7t Edward C. Wenzinger,. Chief Projects Branch No. 3 . Division of Reactor Projects Enclosure: - NRC:RI Report 50-317/85-34; 50-318/85-34 cc w/ enc 1: M. Bowman, General Supervisor, Technical Services Engineering T. Magette, Administrator, Nuclear Evaluations Public Document Room (LPDR) Nuclear Safety Information Center (NSIC) NRC Resident Inspector State of Maryland (2) g 21 g {{ $Iob 17 3 g m L. i . . . . . . . . . . . . . .

. _ . - _ f .iI .- ' , . Baltimore Gas and Electric Company 2 FED 0 41986 - bcc w/ encl: Region I Docket Room (with concurrences) Senior Operations Officer (w/o enclosure) Director,.DRS Director,'DRSS DRP Section Chief D. Jaffe, LPM, NRR 'M. McBride, RI, Pilgrim RI:DRP RI:DRP R P yhimble/ss

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