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).
CAHILL CONSTRUCTORS LIMITED
- Address:
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1104 7TH ST E
OWEN SOUND, ON
Canada
N4K 6K5 - Products/Services:
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Power Piping Installation ASME B31.1 (SHOP & FIELD)
Status: 02-28-2024
Number: QA-05556
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 Installation ASME B31.3 (SHOP & FIELD)
Status: 02-28-2024
Number: QA-05557
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.
Refrigeration Piping Installation ASME B31.5 (SHOP AND FIELD)
Status: 02-28-2024
Number: QA-05558
Fabrication, assembly and repair of refrigeration piping at the above location and fabrication, assembly, erection and repair of refrigeration piping at field sites controlled by the above location in accordance with CSA Standard B52, Mechanical Refrigeration Code and ASME B31.5 Refrigeration Piping.
Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)
Status: 02-28-2024
Number: QA-05559
Repair and alteration of boilers, pressure vessels, piping and 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.
Parts, Appurtenances, Piping Sub’s & Tubular Prod’s (NPT with NA)
Status: 02-28-2024
Number: QA-05692
Fabrication of Class 1, 1C, 2, 2C, 3, 3C, and 4 Parts, Appurtenances, Piping Subassemblies and Tubular Products Welded with Filler Metal; With & Without Design Responsibility. At the above location and at CNSC Licensed Field Sites controlled by the above location only. In accordance with CSA N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
CSA-N285.0 Nuclear Fitting Repair or Modification (SHOP ONLY)
Status: 02-28-2024
Number: QA-05695
Field Repairs, Modifications or Replacements of Class 1, 1C , 2, 2C, 3, 3C and 4 nuclear items at CNSC Licensed Field Sites controlled by the above location only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
CSA-B51 Fittings
Status: 02-28-2024
Number: QA-06211
Fabrication of Welded and Non-Welded Category H type Fittings only at the Above Location Only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.
Supports (NS) (Can be added to N/NPT/NA)
Status: 02-28-2024
Number: QA-05693
Fabrication of Class 1, 2, 3 and 4 Welded and Non-welded Supports; With and Without Design Responsibility; at the above location and at CNSC Licensed Field sites controlled by the above location only in accordance with CSA N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
CSA-N285.0 Nuclear Fittings (SHOP ONLY)
Status: 02-28-2024
Number: QA-06216
Fabrication of Class 1, 2 and 3 Welded and Non-Welded Category 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.
Vessels, Pumps, Valves, Piping & Containment (N with NA)
Status: 02-28-2024
Number: QA-06217
Construction of Class 1,1C, 2, 2C, 3, 3C and 4 Vessels; Class 1, 2 and 3 Piping Systems; As a Material Organization Supplying Ferrous and Nonferrous Material; Including Welding Material; Qualification of Nonaccredited Material Organizations; Utilization of Unqualified Source Material; Approval and Control of Suppliers; Shipment of Material from Qualified Material Organizations other than the Qualified Accredited Material Organization; At the above location and at CNSC Licensed Field Sites controlled by the above location only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
Shop Assembly (NA)
Status: 02-28-2024
Number: QA-05694
Class 1, 1C, 2, 2C, 3, 3C and 4 Shop Assembly and Installation at CNSC Licensed Field Sites; controlled by the above location only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.
Contact(s)