AISC 207-16 Certification Standard for Steel Fabrication and Erection, and Manufacturing of Metal Components. December 5, 2016. Training Sect. 1.18 states that personnel responsible for functions that affect quality, including, but not limited to, project managers, field/shop supervisors, detailers, inspectors, welding personnel, fitters, painters, riggers, signal persons, and crane operators, shall receive appropriate initial and periodic documented training.