MARK D GRAHAM O/A MDG MECHANICAL SERVICES
| TSSA BPV Certification Number | Certificate Type | Scope Description | Expiry Date |
|---|---|---|---|
| QA-06146 |
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. |
2026-09-02 |
| QA-10519 |
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. |
2026-09-02 |
| QA-06147 |
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. |
2026-09-02 |
| QA-10752 |
Alternate Piping Process |
Alternate Process for Pressure Piping Inspection in Ontario in accordance with TSSA Safety Advisory BPV-001-23 and the Ontario Regulation 220/01 Section 9(4). |
2026-09-02 |