ML20084L322

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Telecopy Ro:On 740401,radwaste Discharge Pipe Broke at Radwaste Bldg Wall & MSIVs Discovered Leaking Excessively. Fractured Radwaste Line Caused by Caisson Driven Into Ground Nearby
ML20084L322
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 04/01/1974
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084L319 List:
References
NUDOCS 8305200635
Download: ML20084L322 (2)


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REFEhENCE QUA: CITIES NUCLEAR PCWER STATION UNIT 1 DOCKET 50-254DPR '

S APPEIIIX A #CTIC" 1.0.A.3 AND 1.0.A.5 AND 4.7.A.2.I.2.C.

i ITEi. I u" A N L 1 1974 VHILE IN LAUNDRY DRAIN TANK WAS BEING ^

DISCHAhGIf IC THE IiIVER IT WAS DISCOVERED THAT WATER WAS BUBBLING ~

E TO InE WrF ACE I" THE VICINITY OF A CAISSON BEING DRIVEN INTO i

Ig THE 6ROUL UdEiE THE MAXIMUM HECYCLE RAD WASTE MODIFICATION

. PAESENTLY U'~h CCNSTRUCTION AT THE. STATION. ~ THElCAISSON IS 5

,ADJACE.9T.TC HAD UASTE DISCHAnGL LINE AND INVESTIGATION CONFIRMS r j

udAT Th" SUSACE UATER CONTAINED. CONTAMINATION SIMILARiTO THAT

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LAUNCHT OR AIN TANK BEING DISCHARGED. IT IS SUSPECTED 07 TiiI THAT VI1t< AT4 CMS :iESULTING " ROM LDRIVING TiiE CAISSON Cr USED THE LISL 3"

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n ACTUliED. THE LAUpDRY TANK DISCHARGE % AS IMMEDIATELY TEEMI"ATTi. T:E. ACCUMULATED VATER WAS sat:t LED AND ANALYZED FOR -

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ACTIkITY A." : <IIGHAHGED TU THE RIVER IN A CONTTt0LLED MANNER.'

TE c0:IA7.I'AT% 7AND IT THE AhEA AND THAT REQUIRED TO BE EXCAVATED sC 1;;?rl:CT T ZISC?AU " LIN WILL DE.BAhRELED AND DISPOSED l

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o A' U AGIT ZISCHAhGLS HAVE BEEN TERMINATED UNTIL l='m i n h r u._ ~

I ' J J. 0 L + ~'D. ITEM 2 0" APRIL 1 1974 FOLLOWING THE' fr Snul XV' ' I.

AFT TE UNIT C"" REFUELING OUTAGE MAIN STEAM ISOLATION

! E'h' arpL C '4 5 u.AK !E9"? WITH Tiii COLLOWING RESULTS A STEAMLINE WITH 5.I'C7.

?T;AN.IY7 UNABLF TO TEST OBSTRUCTION IN TEST CAP t II J AM Li ' ~ AT 1/.n cCFH D EAi'LINE AT 48SCFH C AND D STEAMLINE o

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rO~ T;CW2ICAL LPECIFICATICN 4.7.A.2.I.2.C PLANNED E

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~I':A~ R cLE In' ZFrECTED VALVE INSPECT AND LAP InE J At

'7Al' sun I' G In? GUTAGE.

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ATOMIC ENERGY COMMISSION p

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g DIRECTOR ATE OF REGULATORY OPER ATIONS e,

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REGION 111

  1. '8ill

799 ROOSEVELT ROAD TmeE GLEN ELLYN, ILLINOIS 60137 (312)858 2660 A.

RO Inspection Report No.

Transmittal Date Distribution:

Distribution:

R0 Chief, FS&EB RO Chief, FS&EB RO:HQ (5)

RO:HQ (4)

DR Central Files L:D/D for Fuels & Materials Regulatory Standards (3)

DR Central Files Licensing (13)

RO Files RO Files B.

RO Inquiry Report No.

Transtaittal Date Distribution:

Distribution:

R0 Chief, FS&EB RO Chief, FS&EB RO:HQ (5)

RO:HQ DR Central Files DR Central Files Regulatory Standards (3)

RO Files Licensing (13)

RO Files C.

Incident Notification From: Commonwealth Edison Co.

Dockor No. 50-254 (Licensee & Docket No. (or License No.)

April 2, 1974 Transmittal Date Distribution:

Distribution:

RO Chief, FS&EB RO Chief, FS&EB RO:HQ (4)

RO:HQ (4)

Licensing (4)

L:D/D for Fuels & Materials DR Central Files DR Central Files RO Files RO Files 1

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