ML20041E734

Updated LER 81-061/03X-1:on 811005,during Normal Operation, Pipe Restraint 1510-12 Found Broken & 2A Component Cooling Water Loop Declared Inoperable.Caused by Air Void in Sys During Pump Startup.Hanger Redesigned

ML20041E734
Person / Time
Site:	Dresden
Issue date:	02/10/1982
From:	Bader S COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20041E730	List: ML20041E729 ML20041E734
References
LER-81-061-03X, LER-81-61-3X, NUDOCS 8203110293
Download: ML20041E734 (2)

Text

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ET NuMGER 4 69 EVENT QA TE 74 3 REPORT 0A TE 80 EVENT CESCRIPTION AND pACSASLE CCNSECUENCES h go(2[ l During normal operation. EDS Nuclear personnel noticed a breken eine restraint. 1510-12 l g ; on CCSW line 2-1510-16. The 2A CCSW loop was declared inoperable. All required sur- l

,,,,,; veillances were performed per Tech. Spec. 4.5 B.3. The safety significance was minimal I

,n,,, ,since piping system was intact and redundant safety systems were available. Health and l

, , safety of the general public were not affected. Previous occurrence: 50-227/81-57.  ;

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STA ll.11 T. YEAR NO D- 12 . 2 . 81 100 PART I I TITLE OF EVE!4T OCCUP, RED Damage to Horizontal Guide (1510-12) Restr ining 10-05-81 11:30 LPCI/CCSW Pipe 1510-16" DATE T itiE l REASC:1 FOR SUPPLEMErdTAL REPORT To update the evaluation action taken to avoid water hammer in the CCSW system.

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