05000366/LER-1979-079-03, /03L-0 on 790718:reactor Feedwater Flow Transmitters Were Incorrectly Calibrated,Resulting in Errors in Reactor Power Calculations.Caused by Use of Unrevised Procedures.Procedures & Data Sheets Reviewed & Corrected

/03L-0 on 790718:reactor Feedwater Flow Transmitters Were Incorrectly Calibrated,Resulting in Errors in Reactor Power Calculations.Caused by Use of Unrevised Procedures.Procedures & Data Sheets Reviewed & Corrected

ML20132A745
Person / Time
Site:	Hatch
Issue date:	08/06/1979
From:	Coggin C GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20132A732	List: 05000366/LER-1979-079, Forwards LER 79-079/03L-0 05000366/LER-1979-079-03, /03L-0 on 790718:reactor Feedwater Flow Transmitters Were Incorrectly Calibrated,Resulting in Errors in Reactor Power Calculations.Caused by Use of Unrevised Procedures.Procedures & Data Sheets Reviewed & Corrected
References
LER-79-079-03L, LER-79-79-3L, NUDOCS 7908200355
Download: ML20132A745 (2)

LER-1979-079, /03L-0 on 790718:reactor Feedwater Flow Transmitters Were Incorrectly Calibrated,Resulting in Errors in Reactor Power Calculations.Caused by Use of Unrevised Procedures.Procedures & Data Sheets Reviewed & Corrected

Event date:
Report date:
3661979079R03 - NRC Website

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e Georgia Pca!r Comoany Plant E. I. I:stch Bar. ley, Georgia 31513 Cause Descripti n and Corrective ActionsThese iten:s involved special calibrations to be incorporated after receiving the vendor calibration data. The Startup Testing program was studied and it was deterr.ined that all FSAR and regulatory recuirements were met and that there were no cther areas in which the fecdwater flow signal would have an acverse Startno Tests,10918 (Power Distribution),10919 (Core Performance';,

affect.

10923 (Feedwater One Pu=o Trio),10944 (Dryciell Ccoling), and 1097a (Offgas;,

,p were satisfactorily reperfor ns ; and the vendor supplied written justification far not perforning thq remainder of the tests. This problem had no af sct on the purpose or results of all testing perfonmed a; iower pcwer levels.

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