ML20052E437

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LER 82-017/03L-0:on 820407,cracked Weld Discovered on Test Tap of Condensate Booster Recirculation Line.All Leakage Contained in Turbine Bldg Floor Sumps.Cause Not Stated.Tap Cut & Capped
ML20052E437
Person / Time
Site: Dresden Constellation icon.png
Issue date: 04/28/1982
From: Christel B
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20052E422 List:
References
LER-82-017-03L, LER-82-17-3L, NUDOCS 8205110107
Download: ML20052E437 (2)


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i7 8 60 61 00CXET NUwegm 68 SS EVENT DATE 74 75 REPORT QATE 80 EVENT DESCRIPTION AND PROSA8tE CONSEQUENCES h 10 f 2 l l During refueling, a routine inspection by the shif t foreman revealed a cracked weld on i_

{ g ; the test tap of the condensate booster recirculation line (T.S. 6.6.B.2.d). This was of l gn ,,,g minimal safety significance since all leakage was contained in the turbine building floorg in,,,, sumps. There was no effect on public. health or safety. Last similar occurrence on Unit g 9,,, ,3 was reported by R.O. 82-14/0lT on Docket 50-249.

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44 CAusa OESCRf PTION AND CORRECTIVE ACTIONS h iji;ol lThe cause of the leakage was a failed weld on the one inch test tap connection on the l _

j,,,,, gcondensate booster recirculation line. The test tap was cut and capped since the tap is I_

y no longer used. No future corrective action deemed necessary.  ;

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DEVIATION REPORT Commonwealth Edison gy, , ,

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PART Il TITLE OF DEVI ATION OCCURRED Leak on Condensate Booster Line to Condenser 4/7 N 1630 SYSTEM AFFECTED PLANT STATUS AT TIME OF EVENT TESTING 3400 Condensate MODE Rafnal . PWR(MWT) 0 , t0AD<uWE3 0 y 3 h DESCRIPTION OF EVENT A leak was found by Shift Foreman on 1 inch line off of condensate booster recirculation line to the main condenser.

10 CFR50.72 NRC RED PHONE O E NOTIFICATION MADE YES NO EQUIPMENT FAILURE 19738 hYES O No .oRx RE0uCST No. RESeoNSiaLE SUPE R v i soR F. w. Knollhoff DATE 4/7/82 P ART 2 l OPERATI NG ENGINEER'S COMMENTS All leakage was contained within the turbine building floor sumps. The leak was repaired by cutting'and capping the 1 inch tap prior to restart of the condensate system.

O EVENT OF PUBLIC I N TE R E S T O 24-HOUR NRC NOTIFICATION RE0'D 0 TEC". SPEC. viotATiON TELEPH M. Jordan (courtesy) 4/8/82 1200 REGION lli DATE TIME O NON REPORTABLE OCCURRENCE TELE CM/ TEL ECOPY O I4 DAv aEP0aTABLE/T.S. aEGiON iii DATE TiuE Q 30 DAY REPORTABLE /T.S p

] ANNUAL /SPECL REPORT RE0'D IF ABOVE NOTIFICATION IS PER IOCFR21 A.l.R. #

] $. DAY WRI TTEN REPORT RE0'D PER IOCFR21 L.E.R. # 8 2-17 / 03L-0 7gtgpg F. A. Palmer 4/12/82 1404 CECO CORPORATE OFFICER DATE TIME PRELIMINARY REPORT COMPLETED AND REVIEWED Michael Wright 4/12/82 OPER A T I NG LNGI NE E R n M DATE .1 INVESTIGATED REPORT & RESOLUTION

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