{"c":"47-2221.00","n":"Structural Iron and Steel Workers","d":"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.","g":"47","tasks":[{"t":"Read specifications or blueprints to determine the locations, quantities, or sizes of materials required.","core":true,"id":11544,"r":102,"dt":"07/2015","src":"Incumbent"},{"t":"Connect columns, beams, and girders with bolts, following blueprints and instructions from supervisors.","core":true,"id":11546,"r":105,"dt":"07/2015","src":"Incumbent"},{"t":"Bolt aligned structural steel members in position for permanent riveting, bolting, or welding into place.","core":true,"id":11548,"r":105,"dt":"07/2015","src":"Incumbent"},{"t":"Fasten structural steel members to hoist cables, using chains, cables, or rope.","core":true,"id":11553,"r":105,"dt":"07/2015","src":"Incumbent"},{"t":"Hoist steel beams, girders, or columns into place, using cranes or signaling hoisting equipment operators to lift and position structural steel members.","core":true,"id":20795,"r":102,"dt":"07/2015","src":"Incumbent"},{"t":"Verify vertical and horizontal alignment of structural steel members, using plumb bobs, laser equipment, transits, or levels.","core":true,"id":11545,"r":102,"dt":"07/2015","src":"Incumbent"},{"t":"Cut, bend, or weld steel pieces, using metal shears, torches, or welding equipment.","core":true,"id":11552,"r":105,"dt":"07/2015","src":"Incumbent"},{"t":"Erect metal or precast concrete components for structures, such as buildings, bridges, dams, towers, storage tanks, fences, or highway guard rails.","core":true,"id":11556,"r":105,"dt":"07/2015","src":"Incumbent"},{"t":"Force structural steel members into final positions, using turnbuckles, crowbars, jacks, or hand tools.","core":true,"id":11555,"r":103,"dt":"07/2015","src":"Incumbent"},{"t":"Pull, push, or pry structural steel members into approximate positions for bolting into place.","core":true,"id":11551,"r":103,"dt":"07/2015","src":"Incumbent"},{"t":"Unload and position prefabricated steel units for hoisting, as needed.","core":true,"id":11557,"r":100,"dt":"07/2015","src":"Incumbent"},{"t":"Drive drift pins through rivet holes to align rivet holes in structural steel members with corresponding holes in previously placed members.","core":true,"id":11558,"r":103,"dt":"07/2015","src":"Incumbent"},{"t":"Assemble hoisting equipment or rigging, such as cables, pulleys, or hooks, to move heavy equipment or materials.","core":true,"id":11554,"r":103,"dt":"07/2015","src":"Incumbent"},{"t":"Fabricate metal parts, such as steel frames, columns, beams, or girders, according to blueprints or instructions from supervisors.","core":true,"id":11550,"r":102,"dt":"07/2015","src":"Incumbent"},{"t":"Dismantle structures or equipment.","core":true,"id":11559,"r":103,"dt":"07/2015","src":"Incumbent"},{"t":"Ride on girders or other structural steel members to position them, or use rope to guide them into position.","core":false,"id":11549,"r":103,"dt":"07/2015","src":"Incumbent"},{"t":"Hold rivets while riveters use air hammers to form heads on rivets.","core":false,"id":11563,"r":103,"dt":"07/2015","src":"Incumbent"},{"t":"Insert sealing strips, wiring, insulating material, ladders, flanges, gauges, or valves, depending on types of structures being assembled.","core":false,"id":11560,"r":103,"dt":"07/2015","src":"Incumbent"},{"t":"Place blocks under reinforcing bars used to reinforce floors.","core":false,"id":11562,"r":103,"dt":"07/2015","src":"Incumbent"}]}