Part 21 Report - 1997-390
LICENSEE: WESTINGHOUSE ELECTRIC CORPORATION
SITE: WESTINGHOUSE ELECTRIC CORPORAT EN NUMBER:32328
DOCKET: EVENT DATE: 05-14-97
RX TYPE: EVENT TIME: 00:00
VENDORS: NOTIFY DATE: 05-14-97
EMERGENCY CLASS: N/A REGION: 1 STATE: PA TIME: 14:38
OPS OFFICER: CHAUNCEY GOULD
10 CFR SECTION: CDEG 21.21(c)(3)(i) DEFECTS/NONCOMPLIANCE
10 CFR PART 21 NOTIFICATION - WESTINGHOUSE ELECTRIC CORPORATION
HAS IDENTIFIED DEFECTS THAT COULD CREATE A SUBSTANTIAL SAFETY
HAZARD SHOULD THEY REMAIN UNCORRECTED.
DEVIATIONS WERE IDENTIFIED BY WESTINGHOUSE DURING A LESSONS
LEARNED REVIEW OF A PILOT PROGRAM TO PROVIDE SAFETY-RELATED
CIRCUIT BREAKER REFURBISHMENT FOR THE BYRON AND BRAIDWOOD
NUCLEAR
SITES. THIS PILOT PROGRAM, WHICH WAS CONDUCTED AT WESTINGHOUSE
SATELLITE FACILITIES, INCLUDED BOTH WESTINGHOUSE TYPE 'DHP'
SERIES AND 'DS' SERIES BREAKERS. IT WAS DISCOVERED THAT CORRECT
PROCEDURES WERE NOT UTILIZED, RESULTING IN CERTAIN TESTS AND
INSPECTIONS NOT BEING PERFORMED OR DOCUMENTED. THE ITEMS WHICH
WERE OMITTED OR NOT DOCUMENTED INCLUDED THE PERFORMANCE OF
TIMING
TESTS, CONTACT RESISTANCE CHECKS TO CORRECT VALUES, REAPPLICATION
OF LUBRICANT, OPENING FORCE MARGIN VERIFICATION, AND WELD
INSPECTIONS. THESE TESTS AND INSPECTIONS ARE DESIGNED TO PROVIDE
ASSURANCE THAT BREAKER OPERATION (EITHER TO OPEN OR CLOSE) WILL
BE SUCCESSFULLY COMPLETED. WESTINGHOUSE DETERMINED THAT THE
TESTS THAT WERE PERFORMED ON THE REFURBISHED BREAKERS BEFORE
THEIR RETURN TO BYRON AND BRAIDWOOD WERE INSUFFICIENT TO
REESTABLISH FULL QUALIFICATION OF THE BREAKERS. ALL BREAKERS
THAT WERE REFURBISHED USING INCORRECT PROCEDURES HAVE BEEN
IDENTIFIED.
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