The Technical Standards and Safety Authority (TSSA) adopts standards and administers the policies, procedures and processes for the certification of welders and brazers regulated under the Technical Standards and Safety Act, 2000’s Ontario Regulation 220/01: Boilers and Pressure Vessels (BPVs). Businesses that repair/alter BPVs and install/repair associated piping systems are required to hold a Certificate of Authorization (COA) from TSSA or another Canadian jurisdiction. Companies with a National Board Certificate of Authorization (“R” stamp) are also acceptable for repairs/alterations of BPVs.
In the following directory, you can find a listing of businesses that hold a COA issued by TSSA. Please note that the information in this directory is updated periodically and may not reflect the most recent information available for each entry. If you have a question or concern regarding any of the information contained on this page, please contact customerservices@tssa.org or call 1-877-682-TSSA (8772).
THERMON CANADA INC.
- Address:
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2721 PLYMOUTH DRIVE
OAKVILLE, ON
Canada
L6H 5R5 - Products/Services:
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Nuclear Vessels, Pumps, Valves and Piping Systems
Status: 3/15/2021
Number: QA 181
Construction of Class 1, 2, 3 & 4 Vessels; Class 1, 2 & 3 Pumps, Vessels, Line Valves and Piping Systems; Class 2 & 3 Storage Tanks; and Class 1, 2 & 3 Shop Assembly. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
High Pressure Boiler Manufacturers
Status: 10/30/2023
Number: QA 126
Manufacture and assembly of power boilers at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.
Nuclear Parts, Appurtenances, Piping Subassemblies, Containments and Tubular Products
Status: 3/15/2021
Number: QA 04487
Class 1, 2 & 3 fabrication without design responsibility and Class 1, 2 & 3 fabrication with design responsibility for appurtenances at the Above Location Only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
Nuclear Fittings
Status: 3/15/2021
Number: QA 03538
Fabrication of Class 1, 2, 3 & 4 Welded and Non-Welded Category A, B, E & H type Fittings only, at the Above Location Only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
Nuclear Repair, Modification or Replacement
Status: 3/15/2021
Number: QA 05091
Repair or Modification of Class 1, 2 & 3 Items and Welded and Non-Welded Category A, B, E & H type Fittings at the above location only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
Low Pressure Boiler Manufacturers
Status: 10/30/2023
Number: QA 02215
Heating boilers except cast iron at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section IV and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
Pressure Vessels Manufacturers - Division 1
Status: 10/30/2023
Number: QA 02216
Manufacture of pressure vessels at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
Pressure Vessels Manufacturers - Division 2
Status: 10/30/2023
Number: QA 05067
Manufacture of pressure vessels at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
Power Piping B31.1
Status: 10/30/2023
Number: QA 03573
Fabrication, assembly and repair of power piping at the above location and fabrication, assembly, erection and repair of power piping at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.1 Power Piping.
Process Piping B31.3
Status: 10/30/2023
Number: QA 03574
Fabrication, assembly and repair of process piping at the above location and fabrication, assembly, erection and repair of process piping at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.
Repair and Alteration Organizations
Status: 10/30/2023
Number: QA 05198
Repair and alteration of boilers, pressure vessels, piping and A, B, C, D, E, F and H type fittings at the above location and for repairs and alterations at field sites controlled by this location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.
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