ML20011A467

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Ro:On 810923,after Verifying Primary to Secondary Leakage in Number 31 Steam Generator Following RCS Hydro,Unit Proceeded from Hot Shutdown to Cold Shutdown.Verification of Calculation for Determining Leak Size Exceeded Tech Specs
ML20011A467
Person / Time
Site: Indian Point Entergy icon.png
Issue date: 09/29/1981
From: Brons J
POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 8110130447
Download: ML20011A467 (1)


Text

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THIS IS A CONFIRMATION COPY OF A TELEGRAM ADDRh8 O ATIN H NALD C HAYNES DIRECTOR g UN *EDNE5vAY 9-23 81 AT 2300 MOURS THE UNIT STARTED TO PROCEED FROM HQT C Ssuic0*N TO COLD SMuTD0aN AFTER VERIFYING PRIMARY TO SECONDARY g LEAKAGE EXISTED IN NO. 31 STEAM GENERATOR FOLLOWING AN RCS HYDRO.

AFTER SUdSEQUENT VERIFICATION OF THE CALCULATIONS FOR DETERMINING THE O SIZE OF THE LEAK, IT aAS IDENTIFIED ON 9-28=81 THAT THE LEAK BREAK g WAS APPk0XIMATELY 0.77GPH WHICH IS IN EXCESS OF THE TECHNICAL SPECIFICATIONS LIMIT OF 0.3GPM AS IDENTIFIED IN SECTION 3.1.F 8 THE REAC O ' " *^S IN CotD SHUTD0aN AT 1710 HOURS ON 9-24=81. THIS HAS BEEN g DISCUSS aI1: RESIDENT INSPECTOR T. KENNY ON 9-29-81. THIS TELEGRAM SERVES AS THE PROMPT NOTIFICATION REQUIRED BY TECHINICAL SPECIFIC

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