# Tasks & work activities — ornamental metal worker Source: O*NET 30.3, occupation 47-2221.00 (Structural Iron and Steel Workers). ## Task statements - **[Core]** Read specifications or blueprints to determine the locations, quantities, or sizes of materials required. - **[Core]** Verify vertical and horizontal alignment of structural steel members, using plumb bobs, laser equipment, transits, or levels. - **[Core]** Connect columns, beams, and girders with bolts, following blueprints and instructions from supervisors. - **[Core]** Bolt aligned structural steel members in position for permanent riveting, bolting, or welding into place. - **[Core]** Fabricate metal parts, such as steel frames, columns, beams, or girders, according to blueprints or instructions from supervisors. - **[Core]** Pull, push, or pry structural steel members into approximate positions for bolting into place. - **[Core]** Cut, bend, or weld steel pieces, using metal shears, torches, or welding equipment. - **[Core]** Fasten structural steel members to hoist cables, using chains, cables, or rope. - **[Core]** Assemble hoisting equipment or rigging, such as cables, pulleys, or hooks, to move heavy equipment or materials. - **[Core]** Force structural steel members into final positions, using turnbuckles, crowbars, jacks, or hand tools. - **[Core]** Erect metal or precast concrete components for structures, such as buildings, bridges, dams, towers, storage tanks, fences, or highway guard rails. - **[Core]** Unload and position prefabricated steel units for hoisting, as needed. - **[Core]** Drive drift pins through rivet holes to align rivet holes in structural steel members with corresponding holes in previously placed members. - **[Core]** Dismantle structures or equipment. - **[Core]** Hoist steel beams, girders, or columns into place, using cranes or signaling hoisting equipment operators to lift and position structural steel members. - **[Supplemental]** Ride on girders or other structural steel members to position them, or use rope to guide them into position. - **[Supplemental]** Insert sealing strips, wiring, insulating material, ladders, flanges, gauges, or valves, depending on types of structures being assembled. - **[Supplemental]** Place blocks under reinforcing bars used to reinforce floors. - **[Supplemental]** Hold rivets while riveters use air hammers to form heads on rivets. ## Detailed work activities - Assemble temporary equipment or structures. - Assist skilled construction or extraction personnel. - Cut metal components for installation. - Dismantle equipment or temporary structures. - Fabricate parts or components. - Install electrical components, equipment, or systems. - Install gauges or controls. - Install insulation in equipment or structures. - Install metal structural components. - Load or unload materials used in construction or extraction. - Operate cranes, hoists, or other moving or lifting equipment. - Position safety or support equipment. - Position structural components. - Review blueprints or specifications to determine work requirements. - Signal equipment operators to indicate proper equipment positioning. - Verify alignment of structures or equipment. - Weld metal components.