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; Class 1, 2, 3 & 4 welded and non-welded supports; Class CS core support structures; Class 1, 1C, 2, 2C & 3, 3C & 4 Shop Assembly; As a Material Organization supplying ferrous and nonferrous material; At the above location only; With supporting code activities as described in the Quality Assurance Manual at (shop address); Field 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

2025-03-23

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

Fabrication of Class 1, 2, 3 & 4 welded and non-welded supports; With and without design responsibility; At the above location only: Field Installation at CNSC licensed field sites controlled by the above location only, to the building structure only. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.

2025-03-23

CSA-N285.0 Nuclear Fittings (SHOP ONLY)

Fabrication of Class 1, 1C, 2, 2C, 3, 3C & 4 welded and non-welded category A, B, D, E, F & 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.

2025-03-23

CSA-N285.0 Nuclear Item Repair, Modification or Replacement (FIELD ONLY)

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.

2025-03-23

ASME U-1-Mfr. of Sec. VIII, Div 1 Pressure Vessels (SHOP ONLY)

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.

2025-03-23

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.

2025-03-23

Boiler & Pressure Vessel Repair/Alteration (SHOP ONLY)

Repair and alteration of boilers, pressure vessels, piping and fittings at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

2025-03-23

Pressure Relief Valve Repair (SHOP ONLY)

Repair of ASME Section I, IV, & VIII, Div.1, pressure relief valves using original equipment manufactured parts at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code. Special processes are limited to Machining, Welding, and Heat Treatment. Test media shall include Steam, Air/Gas, Liquid.

2025-03-23

Power Piping Installation ASME B31.1 (SHOP ONLY)

Fabrication, assembly, and repair of power piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.1 Power Piping.

2025-03-23

Process Piping Installation ASME B31.3 (SHOP ONLY)

Fabrication, assembly and repair of process piping at the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and ASME B31.3 Process Piping.

2025-03-23

Refrigeration Piping Installation ASME B31.5 (SHOP ONLY)

Fabrication, assembly and repair of refrigeration piping at the above location only in accordance with CSA Standard B52, Mechanical Refrigeration Code and ASME B31.5 Refrigeration Piping.

2025-03-23