Part 21 Report - 1996-063
ACCESSION #: 9602060071
Worcester Controls A BTR Company
January 31, 1996
NRC Operations Centre
Document Control Desk
U.S. Nuclear Regulatory Commission
Washington, DC 20555
Facsimile No.: (301) 816-5151
FROM: Canadian Worcester Controls Ltd.
Glenn Kotack, C. E. T.
Quality Assurance Manager
SUBJECT: Final Report regarding 10 CFR Part 21 Notification initiated
September 13, 1995
EQUIPMENT DESCRIPTION: 3/4" ASME Section III Class 2 Ball Valves
NATURE OF DEFECT:
Ball valves contain "suspect" pressure boundary bolting. CWCL
supplier (Cardinal Industrial Products) identified the bolts as
originating from a heat lot charge that contained defective product.
IMMEDIATE ACTION BY CWCL:
An investigation was performed to account for the location of all
suspect bolting which subsequently identified its use in the
assembly of valves for locations as indicated below. Balance of
suspect bolting was located in CWCL inventory 100% of suspect
bolting has been accounted for.
LOCATION OF COMPONENTS:
A) T.U. Electric Company
Comanche Peak SES, Glen Rose, Texas
(4) valves S/N N94-0114-9, -10, -11, & - 12
B) Carolina Power & Light Company
Brunswick Plant, Southport, North Carolina
(4) valves SIN N94-0121-1, -2, -3 & -4
CORRECTIVE ACTION:
A) Four valves which contained the suspect bolts were returned to
CWCL to have bolting replaced. This was accomplished and the
valves were returned to T.U. Electric.
CANADIAN WORCESTER CONTROLS LIMITED, 20 MID-DOMINION ACRES,
SCARBOROUGH,
ONT. M1S 4A5 PHONE 298-1671
Worcester Controls A BTR Company
(2)
B) Upon receipt of initial notification, CP&L advised CWCL that
(3) valves were in inventory and had been quarantined while the
fourth valve had been installed. Due to the lead time required
by CWCL to obtain replacement bolting, CP&L advised us they
would procure replacement bolts from another source and would
handle the actual change out themselves.
C) Corrective action by CWCL supplier (Cardinal Industrial
Products - Nuclear Division of B & G Manufacturing) has been
summarized in their Final Report and submitted to the NCR
(reference Event 29257 November 21, 1995).
SUMMARY: All bolting identified by CWCL supplier (Cardinal Industrial
Products ) as being "suspect" has been accounted for.
Notifications were issued to all customers who had received any
product containing the "suspect bolting." CWCL Corrective
Action to have bolting replaced has been completed and is
considered closed. "Suspect bolting" in CWCL's possession has
been returned to the supplier.
....................
Glenn Kotack, C.E.T.
Quality Assurance Manager
cc: Authorized Inspection Agency
Ontario Ministry of Consumer and Commercial Relations
Pressure Vessels Safety Branch
Mr. Larry Calvert - ANIS
CWCL Operations Manager - B. Rana
CWCL Sales Manager - H. Klaus
CARDINAL 10CFR21 File Sept./95
CANADIAN WORCESTER CONTROLS LIMITED, 20 MID-DOMINION ACRES,
SCARBOROUGH,
ONT M1S 4A5 PHONE 298-1671
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