BOILER CERTIFICATIONS

American Society of Mechanical Engineers (ASME)

CSA standard B.51 – Boilers pressure vessels and pressure piping (for Canadian jurisdiction)

Manufacturing

• S-Stamp (section I) – Power boilers
• H-Stamp (section IV) – Heating boilers/cast iron sectional heating boilers
• U-Stamp (section VIII, division 1) – Pressure vessels

National Board (for ASME certified equipment)

• Authorized to provide registration permits
• Access to data reports
• Original equipment specs

Repairs and Alterations

• R-stamp – Repairs and alterations under the National Board (segments of the United States and international)

Canadian Welding Bureau (CWB)

W47.1 – Fabrication and installation of welded metallic structures

Régie du bâtiment du Québec (RBQ)

Pressure installation permit

• Authorized to manufacture boilers, accessories, pressure vessels and piping, water columns (category accessories)
• Boiler installation and piping
• Repairs and alterations (R-stamp through the National Board)

Corporation des maîtres mécaniciens en tuyauterie du Québec (CMMTQ)

Heating and electrical building contractor permit

Technical Standards and Safety Authority (TSSA) – Ontario

• Repairs and alterations of boilers and pressure vessels (through CSA B.51 and National Board R-Stamp)
• Fabrication, assembly and testing of power and process piping (through ASME B31.1 and B31.3)

Technical Safety BC (TSBC) – British Columbia

A contractor licence for repair and alteration of boilers and pressure vessels