Certificate of Authorization

Vessels, Pumps, Valves, Piping & Containment (N with NA)

Construction of Class 1, 1C, 2, 2C, 3, 3C, & 4 vessels; Class 1, 2, 3 & pumps, line valves and piping systems; Class 2, & 3 storage tanks; Furnishing metallic material; 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.

2026-07-11

Supports (NS) (Can be added to N/NPT/NA)

Fabrication of Class 1, 2, 3 & 4 supports; With and without design responsibility; 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.

2026-07-11

CSA-N285.0 Nuclear Fittings (SHOP ONLY)

Fabrication of Class 1, 1C, 2, 2C, 3, & 3C category A, B, D, E, F, & H type fittings; With and without design responsibility; 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.

2026-07-11

CSA-N285.0 Nuclear Fitting Repair or Modification (SHOP ONLY)

Repair or Modification of Class 1, 1C, 2, 2C, 3, & 3C Category A, B, C, D, E, F & H type fittings; Class 1, 1C, 2, 2C, 3, 3C, & 4; 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.

2026-07-11

CSA-N285.0 Nuclear Fitting Repair or Modification (SHOP & FIELD)

Repair, Modification or Replacement and Shop Assembly of Class 1, 1C, 2, 2C, 3 & 3C nuclear items at 141 Farrell Drive, Tiverton, Ontario, Canada, N0G 2T0 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.

2026-07-11

CSA-B51 Fittings

Fabrication of Welded and Non-Welded Category A, B, C, D, E, F & H type Fittings only at the Above Location Only. In accordance with CSA Standard B51 Boiler, Pressure Vessel and Pressure Piping Code.

2027-04-29

Power Piping Installation ASME B31.1 (SHOP & FIELD)

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.

2027-04-29

Process Piping Installation ASME B31.3 (SHOP & FIELD)

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.

2027-04-29

Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD)

Repair and alteration of boilers, pressure vessels, piping and fittings at the above location and for repairs and alterations at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

2027-04-29

Alternate Piping Process

Alternate Process for Pressure Piping Inspection in Ontario in accordance with TSSA Safety Advisory BPV-001-23 and the Ontario Regulation 220/01 Section 9(4).

2027-04-29

Parts, Appurtenances, Piping Sub’s & Tubular Prod’s (NPT with NA)

Fabrication of Class 1, 1C, 2, 2C, 3, 3C, & 4 parts, appurtenances, piping subassemblies, and tubular products; Class 1, 1C, 2, 2C, 3, 3C, & 4 Shop Assembly; With and without design responsibility; 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.

2026-07-11

Refrigeration Piping Installation ASME B31.5 (SHOP AND FIELD)

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.

2027-04-29