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Cut, bend, or weld steel pieces, using metal shears, torches, or welding equipment.
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Force structural steel members into final positions, using turnbuckles, crowbars, jacks, or hand tools.
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Assemble hoisting equipment or rigging, such as cables, pulleys, or hooks, to move heavy equipment or materials.
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Dismantle structures or equipment.
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Place blocks under reinforcing bars used to reinforce floors.
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Read specifications or blueprints to determine the locations, quantities, or sizes of materials required.
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Drive drift pins through rivet holes to align rivet holes in structural steel members with corresponding holes in previously placed members.
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Verify vertical and horizontal alignment of structural steel members, using plumb bobs, laser equipment, transits, or levels.
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Insert sealing strips, wiring, insulating material, ladders, flanges, gauges, or valves, depending on types of structures being assembled.
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Pull, push, or pry structural steel members into approximate positions for bolting into place.
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Erect metal or precast concrete components for structures, such as buildings, bridges, dams, towers, storage tanks, fences, or highway guard rails.
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Hold rivets while riveters use air hammers to form heads on rivets.
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Fabricate metal parts, such as steel frames, columns, beams, or girders, according to blueprints or instructions from supervisors.
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Hoist steel beams, girders, or columns into place, using cranes or signaling hoisting equipment operators to lift and position structural steel members.
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Ride on girders or other structural steel members to position them, or use rope to guide them into position.
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Fasten structural steel members to hoist cables, using chains, cables, or rope.
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Connect columns, beams, and girders with bolts, following blueprints and instructions from supervisors.
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Bolt aligned structural steel members in position for permanent riveting, bolting, or welding into place.
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Unload and position prefabricated steel units for hoisting, as needed.