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).
STUART OLSON INDUSTRIAL CONSTRUCTORS INC.
- Address:
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670 FALCONBRIDGE RD UNIT 1
SUDBURY, ON
Canada
P3A 4S4 - Products/Services:
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Parts, Appurtenances, Piping Sub’s & Tubular Prod’s (NPT with NA)
Status: 2023-12-02
Number: QA-05036
Fabrication and Shop Assembly Without Design Responsibility of Class 1, 1C, 2, 2C, 3, 3C and 4 Parts, Appurtenances, Piping Subassemblies and Supports at 116881 Grey Rd 3, RR #2, Desboro, ON, N0H 1K0 controlled by the above location only; Fabrication and Installation Without Design Responsibility of Class 1, 1C, 2, 2C, 3, 3C and 4 Parts, Appurtenances, Piping Subassemblies and Supports 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-N285.0 Nuclear Fittings (SHOP ONLY)
Status: 2023-12-02
Number: QA-05037
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-N285.0 Nuclear Fittings (SHOP ONLY)
Status: 2023-12-02
Number: QA-06190
Fabrication of Class 1, 2 and 3 Welded Category A, B and H type Fittings at 116881 Grey Rd 3, RR #2, Desboro, ON, N0H 1K0 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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