- Read blueprints and drawings and take or read measurements to plan layout and procedures
- Determine the appropriate welding equipment or method based on requirements
- Set up components for welding according to specifications (e.g. cut material with powered saws to match measurements)
- Operate angle grinders to prepare the parts that must be welded
- Align components using calipers, rulers etc. and clamp pieces
- Weld components using manual or semi-automatic welding equipment in various positions (vertical, horizontal or overhead)
- Verify vertical and horizontal alignment of structural-steel members, using plumb bobs, laser equipment, transits, and/or levels.
- Connect columns, beams, and girders with bolts, following blueprints and instructions from supervisors.
- Hoist steel beams, girders, and columns into place, using cranes, or signal hoisting equipment operators to lift and position structural-steel members.
- Bolt aligned structural-steel members in position for permanent riveting, bolting, or welding into place.
- Position girders or other structural-steel using rope to guide them into position.
- Fabricate metal parts such as steel frames, columns, beams, and girders, according to blueprints or instructions from supervisors.
- Pull, push, or pry structural-steel members into approximate positions for bolting into place.
- Cut, bend, and weld steel pieces, using metal shears, torches, and welding equipment.
- Fasten structural-steel members to hoist cables, using chains, cables, or rope.
- Assemble hoisting equipment and rigging, such as cables, pulleys, and hooks, to move heavy equipment and materials.
- Force structural-steel members into final positions, using turnbuckles, crowbars, jacks, and hand tools.
- Erect metal and precast concrete components for structures such as buildings, bridges, dams, towers, storage tanks, fences, and highway guard rails.
- Unload and position prefabricated steel units for hoisting as needed.
- Drive drift pins through rivet holes in order to align rivet holes in structural-steel members with corresponding holes in previously placed members.
- Dismantle structures and equipment.
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