ML20084R154

Ro:On 730806,Unit 1 Primary Containment Not Inerted within 24-h.Caused by Late Arrival of Nitrogen Delivery

ML20084R154
Person / Time
Site:	Quad Cities
Issue date:	08/07/1973
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084R153	List: ML20084R148 ML20084R154
References
NUDOCS 8306140815
Download: ML20084R154 (2)

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MG'MCGDA CGO 22085791 EE! 9 08/07/7F

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)7h[h ICS IPMBNGZ CSP 3096542241 MGM TDBN CARDOVA IL 229 08-MN7/Ehug h,3 ZIP 60137 D H GRI ER REGION 3 COMPLIENCE US ATOMIC ENERGY COMMISSION 799 ROSEVELT RD GLENELLEN IL 60137 REFERENCE QUAD CITIES. NECLEAR POWER STATION UNITS ONE AND TWO DOCKET NUMBERS 50-254 AND' 265 DPR29 AND 30 APPENDIX A SECTION 3.8.B .3 A ND 1/0.A .2 DPR 29 APPENDIX A SECTION 3.7. A.5 AND 1.0.A.2 THIS IS 'TO REPORT TWO ABNORMAL ACCURANCES AT QUAD CATIES NUCLEAR POVER STATION 1. SU3SUQUENT TO A REACTOR START UP ON AUGUST 4 ON UNIT ONE THE PRIMARY CONTAINMENT WAS NOT INERTED WITHIN 24 !!0URS AS REQUIRED BY TECHNICAL SPECIFICATION 3.7.A.5 THE ONSIGHT NITROGEN STORAGE TANK WAS DEPLETED BY INERTING UNIT TWO THE DAY BEFORE AND A TRUCK WAS SCHEDULED IN OR INERTING UNIT ONE AT 2200 AUGUST 6 THE TRUCK DID NOT ARRIVE UNTIL 0500 AU3UST 7 INE 24 HOUR PERIOD EXPIRED ABOUT 0230 INERTING IS NOW IN PROGRESS 2. ADOUT 0230 AUGUST 7 THE REACTOR BUILDING DIN '

SI ACK SAMPLE CARTRIGE WAS ANYLYSISED AND IT WAS DETERMINATED THAT THE RELEASE RATE LCO FOR IODINE 131 UAS EPCEEDED BY ABOUT 20 PERCENT ON AUGUST 6 THE VENT SYSTEM WAS ISOLATED AND HE STAND BY GAS SYSTEM INICI ATED AT THAT TIME OUR SUBSEQUENT INSPECTION FOR LEAKS FOUND ONLY ONE VALVE IN THE UNIT ONE CLEAN UP HEAT EXCHANGER ROOM WHICH WAS BLOWING BY THIS HAS BEEN CORRECTED AND THE VENT SYSTEM IS BEING RETURNED TO NORMAL FOR AN 8 HOUR PERIOD WITHI N I NCREASED SURVALANCE N KALIVI ANAKIS 1710 EST M'IMCGDA CGO y ,

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. r. . i ATOMIC ENERGY COMMISSION DIVISION OF COMPLIANCE s MEGION lil

$, her,, 799 MOOSEVELT MOAD g GLEN ELLYN, ILLINOIS 60137 (3:a)ess asso

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A. RO Inspection Report No.

Transmittal Date  :

Distribution: Distribution:

RO Chicf, FS&EB RO Chie f, FS&EB RO:HQ (5) RO:HQ (4)

DR Central Files L:D/D for Fuel & Materials Regulatory Standards (3) DR Central Files Licensing (13)

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RO Inquiry Report No.

B.

Transmittal Date ,

Distribution: Distribution:

R0 Chie f, FS&EB RO Chief, FS&EB RO:FQ (5) RO:HQ DR Central Files DR Central Files

- Regulatory Standards (3)

Licensing (13)

C. Incident Notification From: Commonwealth Edison Co. 50-254 and 50-265

. (Licensee & Docket No. (or License No.)

Transmittal Date  : August 9, 1973 f Distribution: Distribution:

, l R0 Chief, FS&EB R0 Chie f, FS&EB i RO:HQ (4) FO:HQ (4)

Licensing (4) L

D/D for Fuel & Materials l DR Central Files DR Qentral Files i RO Files e

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