Part 21 Report - 1995-203
CANADIAN WORCESTER CONTROLS LT 29328 09-13-95 OTH
LICENSEE: CANADIAN WORCESTER CONTROLS LTD
SITE: .CANADIAN WORCESTER CONTROLS LT. EN NUMBER:29328
DOCKET: EVENT DATE: 09-13-95
RX TYPE: EVENT TIME: 00:00
VENDORS: NOTIFY DATE: 09-13-95
EMERGENCY CLASS: N/A REGION: 0 STATE: TIME: 17:31
OPS OFFICER: CHAUNCEY GOULD
10 CFR SECTION: NINF INFORMATION ONLY
CCCC 21.21 UNSPECIFIED PARAGRAPH
CANADIAN WORCESTER CONTROLS LTD REPORTED THAT IT SUPPLIED 3/4"
BALL VALVES TO COMANCHE PEAK AND BRUNSWICK POWER PLANTS THAT
WERE
DEFECTIVE.
THE VALVES WHICH WERE SUPPLIED BY CANADIAN WORCESTER CONTROLS LTD
(CWCL) CONTAIN BOLTING THAT ORIGINATED FROM A HEAT LOT CHARGE
THAT CONTAINED A DEFECTIVE PRODUCT. THE SUSPECT MATERIAL IS A
3/8" - 16 SA 193 B7 HEX CAPSCREW PRODUCT MARKETING B7, C, TS6,
S5. PRELIMINARY INVESTIGATION BY THE FASTENER SUPPLIER (CARDINAL
INDUSTRIAL PRODUCTS) HAS REVEALED THAT AS MANY AS 25% OF THE
FASTENERS FROM THE HEAT LOT CHARGE MAY HAVE MECHANICAL
PROPERTIES
BELOW THE SPECIFIED MINIMUM. A TEST BLANK FROM THE AFFECTED HEAT
LOT WAS ORDERED BY CWCL AT THE TIME OF PURCHASE, AND THE
SUBSEQUENT TESTING BY AN INDEPENDENT LAB PROVIDED RESULTS WHICH
MEET THE MATERIAL SPECIFICATION REQUIREMENT.
Page Last Reviewed/Updated Wednesday, March 24, 2021