Standard
W47.1 - Certification of Companies for Fusion Welding of Steel

Division
Division 1

Scope of Certification
Structural steel fabrication, and welding of:
- industrial plant platforms, walkways, ladders and pipe racks
- fabrication of miscellaneous steel, skids, water tanks
- fabrication of spreader beams, lift assemblies
- fabrication of industrial trailers over 18,000 lb. GVWR and/or custom equipment support railers. Excludes light duty general use trailers.
- miscellaneous field welding

Standard
A660 - Certification of Manufacturers of Steel Building Systems

Scope of Certification
Design and fabrication of pre-engineered steel buildings.