Certificate of Authorization

ASME S-2-Section I Boiler Manufacture (SHOP & FIELD)

Manufacture and assembly of power boilers at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section I, and CSA Standard B51, Boiler, Pressure Vessel, and Pressure Piping Code.

2026-03-02

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.

2026-03-02

ASME U2-1-Sec. VIII, Div 2 Pressure Vessel Mfr. (SHOP ONLY)

Manufacture of pressure vessels at the above location only in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

2026-03-02

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.

2026-03-02

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.

2026-03-02

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.

2026-03-02

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

Construction of Class 1, 1C, 2, 2C, 3, 3C & 4 vessels; Class 1, 1C, 2, 2C, 3 & 3C piping systems; Class 2 & 3 storage tanks. At the above location with supporting code activities as described in the Quality Assurance Manual at Hooper Welding Enterprises Limited HEVI, 405 Eastport Boulevard, Hamilton, ON, L8P 7S3. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants. Quality Assurance Program scope includes Class A & B metallic components of high temperature reactor systems and their supporting systems.

2026-03-02

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

Fabrication of Class 1, 1C, 2, 2C, 3, 3C and 4 welded and non-welded supports; With and without design responsibility; At the above location with supporting code activities as described in the Quality Assurance Manual at Hooper Welding Enterprises Limited HEVI, 405 Eastport Boulevard, Hamilton, ON, L8P 7S3. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants. Quality Assurance Program scope includes Class A & B metallic supports of high temperature reactor systems and their supporting systems.

2026-03-02