ML20084L275

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Telecopy Ro:On 740511,excessive Leak Rates for Valves AO-1-1601-21,AO-1-1601-22 & AO-1-1601-56 Discovered While Performing Local Leak Rate Test.Repairs & Details of Corrective Actions Will Be Reported
ML20084L275
Person / Time
Site: Quad Cities  Constellation icon.png
Issue date: 05/21/1974
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: Oleary J
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084L279 List:
References
NUDOCS 8305200599
Download: ML20084L275 (1)


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T iY 7. UNIT ICS IPMBNGZ CSP 3096542241 TDcN CORDOVA IL 119 05-21 0245P EDT PMS JOHN F OLEARY DIRECTORATE OF LICENSING, DLR US ATOMIC ENERGY COMMISSION WASHINGTON DC 20545 REFERENCE QUAD-Cf TIES NUCLEAR POWER STATION UNIT I DCCKET 50-254, WR-29, APPENDIX A SECTIvNS 1 0.A.2, 4 7.A.2.I.2.B.

AND 6.6 0.1.A WITH UNIT ONE IN THE COLD SMUTDodN CONDITION DURING THE REFUELING OJTAGE WHILE PERFORMING LCCAL LEAK RATE TEST ON THE DRYWELL AND TORUS PURGE VALVES, AN EXCESSIVE LEAK NATE OF 27,.I SCFH WAS MEASURED FROM THE VOLUME ENCLOSED BY VALVES A0-1-16f'l-21, AO-1-1601-22, ) - Y 16 01 - 5 5, AND A0-1-1601-56. REPAI RS ARE CURRENTLY UEING UNDERTAKEN AND DETALS OF CORRECTIVE ACTIONS WILL BE REPORTED m

AT A LATER DATE ALL OTHER ORYWELL AND TORUS VENT BUTTERFLY-TYPE VALVE WERE LEAK TESTED SATI'SFACTORILY. IN ACCORDANCE WI TH OUR AGREEMENT O' APRIL 4 1974 THIS NOTIFIC'ATION ALSO FULFILLS THE 10 DAY REPORTING IEQUIREMENTS OF TECHNICAL SPECIFICATION 6 6.H. I. A.

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