Certificate of Authorization

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

Field Repair, Modification or Replacement of Class 1, 1C, 2, 2C, 3, 3C and 4 nuclear items at CNSC Licensed Field Sites controlled by the above location with supporting Code activities as described in Quality Program Manual at 9127 Montrose Road, Niagara Falls, Ontario, L2E 7J9. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.

2026-01-07

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

Fabrication of Class 1, 2, 3 and 4 Welded and Non-welded Supports; With and Without Design Responsibility; at the above location with supporting Code activities as described in Quality Program Manual at 9127 Montrose Road, Niagara Falls, Ontario, L2E 7J9, and 175 Lake Road, Bowmanville, Ontario, L1C 4P8, 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.

2026-01-07

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

Repair or Modification of Class 1, 1C, 2, 2C, 3, 3C and 4 welded and non-welded Category A, B, E and H type fittings at the above location with supporting Code activities as described in Quality Program Manual at 9127 Montrose Road, Niagara Falls, Ontario, L2E 7J9, and at CNSC Licensed Field Sites controlled by the above location only. In accordance with CSA N285.0, General Requirements for Pressure retaining Systems and Components in CANDU Nuclear Power Plants.

2026-01-07

Material Organization (MO) (Can be added to N/NPT)

Material Organization manufacturing and supplying ferrous and non-ferrous material at the above location only including; welding material; qualification of nonaccredited material organizations; utilization of unqualified source material; approval and control of suppliers; shipment of material from qualified material organizations other than the qualified accredited material organization; at the above location only with receiving, shipping, storage, packaging, preservation and preparation of items from Warehouse E, 9127 Montrose Road, Niagara Falls, Ontario, L2E 7J9, and Bowmanville Warehouse 175 Lake Road, Bowmanville, Ontario, L1C 4P8 and Millarton Warehouse, 5568 Hwy 9, RR 4, Kincardine, Ontario, N2Z 2X5. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power plants.

2026-01-07

CSA-N285.0 Nuclear Fittings (SHOP ONLY)

Fabrication of Class 1, 1C, 2, 2C, 3, 3C and 4 welded and non-welded Category A, B, E and H type fittings only at the above location with supporting Code activities as described in Quality Program Manual at 9127 Montrose Road, Niagara Falls, Ontario, L2E 7J9. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.

2026-01-07

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

Construction of Class 1, 1C, 2, 2C, 3, 3C, and 4 vessels; Class 1, 2, and 3 piping systems; Class CS core support structures at the above location with supporting Code activities as described in Quality Program Manual at 9127 Montrose Road, Niagara Falls, Ontario, L2E 7J9, and at CNSC Licensed Field Sites controlled by the above location only; and providing services including certification under this certificate, as described in the Quality Program Manual which are limited to stress analysis, design, inspection, testing and forming at the above location only and supply of nondestructive examination and auditing services at various locations. In accordance with CSA Standard N285.0, General Requirements for Pressure Retaining Systems and Components in CANDU Nuclear Power Plants.

2026-01-07

Shop Assembly (NA)

Class 1, 1C, 2, 2C, 3, 3C and 4 Shop Assembly; At the above location with supporting Code activities as described in Quality Program Manual at 9127 Montrose Road, Niagara Falls, Ontario, L2E 7J9 and at CNSC Licensed Field Sites including Installation 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.

2026-01-07

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

Repair and Alteration Organization of boilers, pressure vessels, piping and Category A, B, C, D, E, F & H type fittings at the above location and for repairs and alterations at field sites controlled by this location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

2026-02-15

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.

2026-02-15

Medical Gas Piping Installation CSA-Z7396.1 (SHOP & FIELD)

Fabrication, assembly, and repair of medical gas piping at the above location and fabrication, assembly, erection, and repair of medical gas piping at field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code and CSA-Z7396.1 Medical Gas Pipeline Systems.

2026-02-15

CSA-B51 Fittings

Fabrication of welded and non-welded Category A, B, C, E & H type fittings, at the above location and field sites controlled by the above location in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

2026-02-15

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.

2026-02-15

Hot Tapping and Line Stopping

Hot Tap and Line Stopping of pressure equipment at field sites controlled by the above location only in accordance with CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

2026-02-15

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

Manufacture of pressure vessels at the above location and field sites controlled by the above location in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1 and CSA Standard B51, Boiler, Pressure Vessel and Pressure Piping Code.

2026-02-15

ASME U2-3-Sec. VIII, Div 2 Pressure Vessel Mfr. (SHOP & FIELD)

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

2026-02-15

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

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

2026-02-15

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.

2026-02-15

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

Fabrication of Class 1, 1C, 2, 2C, 3, 3C and 4 parts, appurtenances, piping subassemblies, and tubular products; Class 1, 2, 3 and 4 welded and non-welded supports (Supports limited to the 1998 Edition, 1998 Addenda and earlier Editions and Addenda of the Code); With and Without Design Responsibility; At the above location with supporting Code activities as described in Quality Program Manual at 9127 Montrose Road, Niagara Falls, Ontario, L2E 7J9, and 175 Lake Road, Bowmanville, Ontario, L1C 4P8, 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.

2026-01-07