ML20084L252

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Telecopy Ro:On 740406,leak Discovered in RHR Svc Water Piping.Water Pumps Shutdown,Hx Isolated & Piping Insp Will Be Conducted to Determine Cause & Necessary Corrective Action
ML20084L252
Person / Time
Site: Quad Cities  Constellation icon.png
Issue date: 04/06/1974
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: James Keppler
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084L240 List:
References
NUDOCS 8305200466
Download: ML20084L252 (2)


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US ATOMIC ENERGY COMMISSION 799 ROOSEVELT RD GLEN ELLYN IL 60137 REFERENCE QUAD CITY'S NUCLEAR POWER STATION UNIT 1 DOCKET #50-254 DPR-29 APPENDIX A SECTION 1.0. A.4 THIS IS TO REPORT AN APPARENT FAILURE IN A BURIED SECTION OF THE RHR SERVICE VATER PIPING cm.

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THE 16 INCH PIPE IS THE HEADER FROM THE 1 A AND 1B RHR SERVICE beo VATER PUMP TO THE 1A CHIEF EXCHANGER. LEAKAGE INTO THE BUILDING l

6 WAS ESTIMATED 70 BE IN EXCESS OF 50 GPM DURING THE MORNING SHIFT oc go ON APRIL 6 1974 AND WAS REDUCED TO A NEGLIGIBLE AMOUNT AT ABOUT l ~ $m 11 AM WHEN THE A RHR SERVICE WATER PUMPS WERE SHUT DOWN AND THE n

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BEING CONTROLLED WITH THE B RHR LOOP. A. PIPING INSPECTION WILL bE CONDUCIED AS SOON AS PRACTICABLE ~ TO DETERMINE THE EXACT LOCATION AND NATURE OF THE FAILUdE b

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v REGION lli 799 ROOSEVELT ROAD TER EPHONE GLEN ELLYN, ILLINOIS 6o137 (312) 858-2660 A.

RO Inspection Report No.

Transmittal Date Dietribution:

Distribution:

RO 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 R0 Files B.

RO Inquiry Report No.

Transmittal Date Distribution:

Distribution:

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

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

RO Files j

Licensing (13)

RO Files i

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Incident Notification From: Connonwealth Edison Co. Docket No. 50-254 (Licensee & Docket No. (or License No.)

Transmittal Date

April 17, 1974 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 R0 Files RO Files

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