979055 ONTARIO LIMITED O/A WALDEN WELDING AND MECHANICAL
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-04068 |
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. |
2026-03-01 |
| QA-04067 |
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. |
2026-03-01 |
| QA-04066 |
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. |
2026-03-01 |