ML20084J372

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Telecopy Ro:On 730130,check Valve 2-100-C-1C on 2C RHR Pump Discharge Piping Discovered Leaking Through & Could Not Maintain Pressure.Valve Closed & Pressure Recovered
ML20084J372
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 01/30/1973
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084J376 List:
References
NUDOCS 8305120574
Download: ML20084J372 (1)


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REGION 3 COMPLIANCE UNITED STATES ATOMIC ENERGY COMMISSION 799 d':7

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j REFERENCE DOCKET QUAD CITIES NUCLEARPOWER STATION DPR-30 APP A SECTIONS 1 0.A.2 AND 3.5.G.1 AT 4AM ON JANUARY 30 1973 WITH h'O ;

THE REACTOR AT 2246 MWT THE PRESSURE IN THE DISCHARGE PIPINh i

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,: m 0F THE UNIT 2 RHR SYSTEM DROPPED AND ALARMED IN THE CONTROLy 4

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ROOM UPON INVESTIGATION IT WAS DISCOVERED THAT THE CHECK VA(..V

',j 2-1001-C-1C ON THE 2C RHR PUMP DISCHARGE WAS LEAKING THROUG(fj @ g p 'O AND THE FILL SYSTEM COULD NOT MAINTAIN PRESSURE T!!E C RHR psf d ;

WAS TAKEN OUT OF SERVICE AND MO 2-1001-10 SUCTION V/.LVE WAS E3 d n ;i d %

bu""oa CLOSED AND THE PRESSURE RECOVERED.

ALL OTHER SYSTEMS WERE PROVENJ S a ;!

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