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).
PCL INDUSTRIAL CONSTRUCTORS INC
- Address:
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5402 99 St NW
Edmonton, AB
Canada
T6E 3N7 - Products/Services:
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Vessels, Pumps, Valves, Piping & Containment (N with NA)
Status: 02-09-2025
Number: QA-05858
Construction of Class 1, 1C, 2, 2C, 3, 3C, & 4 vessels; Class 1, 2, & 3 piping systems; Class 1, 1C, 2, 2C, 3, & 3C Shop Assembly; Supply of ferrous and nonferrous material; At 2107 4th Street, Nisku, Alberta, T9E-7W6 only, controlled by the above location only; At CNSC licensed field sites including installation, 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.
Parts, Appurtenances, Piping Sub’s & Tubular Prod’s (NPT with NA)
Status: 02-09-2025
Number: QA-05859
Fabrication of Class 1, 1C, 2, 2C, 3, 3C, & 4 parts, appurtenances, and piping subassemblies; Class 1, 2, 3, & 4 welded and non-welded supports; With and without design responsibility; At 2107 4th Street, Nisku, Alberta, T9E-7W6 only, controlled by the above location only; At CNSC licensed field sites including installation, 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-N285.0 Nuclear Fittings (SHOP ONLY)
Status: 02-09-2025
Number: QA-05860
Field Repairs, modifications or replacements of Class 1, 1C, 2, 2C, 3, 3C, & 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.
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