ML20097A564

Final Part 21 Rept Re Ball Valves Supplied by Cardinal Industrial Products Containing Suspect Pressure Boundary Bolting.Valves Containing Suspect Bolts Returned to Canadian Worcester Controls Ltd to Have Bolting Replaced

ML20097A564
Person / Time
Site:	Brunswick, Comanche Peak
Issue date:	01/31/1996
From:	Kotack G External (Affiliation Not Assigned)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
REF-PT21-96 NUDOCS 9602060071
Download: ML20097A564 (2)

Text

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$OMYOY A BTR Corrpany 6 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  !

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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 S/N 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.

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B) Upon receipt ofinitial 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.

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Glenn Kctack, C.E.T.

Quality Assurance Manager l

l cc: Authorized Inspection Agency l Ontario Ministry of Consumer and Commercial Relations Pressure Vessels Safety Branch Mr. Larry Calven - ANIS CWCL Operations Manager - B. Rana CWCL Sales Manager - H. Klaus CARDINAL 10CFR21 File Sept./95 l

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l CANADIAN WORCESTER CONTROLS LIMITED 20 MIO-DOMINION ACRES, SCARBOROUGH. ONT. M18 4AS PHONE 298-1671