McDougall Metalworks | GTA Welding, Fabrication, and Repair
Whether an individual is qualified for a particular welding scope.
Whether a company is certified to perform welding under a specified standard.
How a welding process is controlled and documented.
Design responsibility for structural performance.
Requirements governing the finished building or life-safety system.
CWB explains that CSA W47.1 covers certification of companies for fusion welding of steel, including requirements involving welding procedures and qualification of welding personnel and supervision.
The applicable standard depends on the work, design and governing requirements.