Certificate of Authorization

CSA-N285.0 Nuclear Pressure Relief Valve Repair (SHOP ONLY)

Repair of nuclear Class 1, 1C, 2, 2C, 3 & 3C pressure relief valves using original equipment manufactured parts 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. Special processes are limited to machining. Test media shall include steam, air/gas and liquid.

2025-08-31

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. Test media shall include steam, air/gas, liquid.

2025-08-31

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

Construction of Class 1, 2 & 3 piping systems; Class 1, 2 & 3 Shop Assembly; As a Material Organization supplying ferrous and nonferrous material; At the above location only. In accordance with CSA Standard N285.0-08 Update 1 and 2, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants and ASME Code Section III 2010 Edition, 2011 Addenda.

2026-04-15

CSA-N285.0 Nuclear Fittings (SHOP ONLY)

Construction of Class 1, 1C, 2, 2C, 3, 3C & 4 welded and non-welded category A, B and H type fittings; At the above location only. In accordance with CSA Standard N285.0-08 Update 1 and 2, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants and ASME Code Section III 2010 Edition, 2011 Addenda.

2026-04-15

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

Construction of Class 1, 1C, 2, 2C, 3, 3C & 4 welded and non-welded supports; With and without design responsibility; At the above location only. In accordance with CSA Standard N285.0-08 Update 1 and 2, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants and ASME Code Section III 2010 Edition, 2011 Addenda.

2026-04-15

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

Repair, Modification or Replacement of Class 1, 1C, 2, 2C, 3, 3C & 4 nuclear Items; At the above location only. In accordance with CSA Standard N285.0-08 Update 1 and 2, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants and ASME Code Section III 2010 Edition, 2011 Addenda.

2026-04-15

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.

2026-04-15

CSA-B51 Fittings

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

2026-04-15

Boiler & Pressure Vessel Repair/Alteration (SHOP ONLY)

Repair and alteration of boilers, pressure vessels, piping and Category A, B, C, D, E, F and H type fittings at the above location only. In accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

2026-04-15

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.

2026-04-15

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.

2026-04-15

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

Construction of Class 1, 1C, 2, 2C, 3, 3C & 4 parts and piping subassemblies; At the above location only. In accordance with CSA Standard N285.0-08 Update 1 and 2, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants and ASME Code Section III 2010 Edition, 2011 Addenda.

2026-04-15