ONTARIO POWER GENERATION DARLINGTON NGS

Street Address HOLT RD S BOWMANVILLE Canada , ON L1C 3W2
TSSA BPV Certification Number Certificate Type Scope Description Expiry Date
QA-00849

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

QA-00846

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

QA-00848

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

QA-04145

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

QA-00797

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

QA-00795

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

QA-00798

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

QA-00799

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

QA-00796

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

QA-00847

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