Raise, place, and unite iron or steel girders, columns, and other structural members to form completed structures or structural frameworks. May erect metal storage tanks and assemble prefabricated metal buildings.
Fasten structural steel members to hoist cables, using chains, cables, or rope.
Bolt aligned structural steel members in position for permanent riveting, bolting, or welding into place.
Drive drift pins through rivet holes to align rivet holes in structural steel members with corresponding holes in previously placed members.
Force structural steel members into final positions, using turnbuckles, crowbars, jacks, or hand tools.
Hoist steel beams, girders, or columns into place, using cranes or signaling hoisting equipment operators to lift and position structural steel members.
Pull, push, or pry structural steel members into approximate positions for bolting into place.
Ride on girders or other structural steel members to position them, or use rope to guide them into position.
Verify vertical and horizontal alignment of structural steel members, using plumb bobs, laser equipment, transits, or levels.