Sheet Metal Workers

Fabricate, assemble, install, and repair sheet metal products and equipment, such as ducts, control boxes, drainpipes, and furnace casings. Work may involve any of the following: setting up and operating fabricating machines to cut, bend, and straighten sheet metal; shaping metal over anvils, blocks, or forms using hammer operating soldering and welding equipment to join sheet metal parts inspecting, assembling, and smoothing seams and joints of burred surfaces.

Job Task

• Select gauges and types of sheet metal or non-metallic material, according to product specifications.
• Shape metal material over anvils, blocks, or other forms, using hand tools.
• Trim, file, grind, deburr, buff, and smooth surfaces, seams, and joints of assembled parts, using hand tools and portable power tools.
• Convert blueprints into shop drawings to be followed in the construction and assembly of sheet metal products.
• Develop and lay out patterns that use materials most efficiently, using computerized metalworking equipment to experiment with different layouts.
• Fabricate or alter parts at construction sites, using shears, hammers, punches, and drills.
• Fasten roof panel edges and machine-made molding to structures, nailing or welding pieces into place.
• Maintain equipment, making repairs and modifications when necessary.
• Maneuver completed units into position for installation, and anchor the units.
• Install assemblies, such as flashing, pipes, tubes, heating and air conditioning ducts, furnace casings, rain gutters, and down spouts, in supportive frameworks.
• Lay out, measure, and mark dimensions and reference lines on material, such as roofing panels, according to drawings or templates, using calculators, scribes, dividers, squares, and rulers.
• Determine project requirements, including scope, assembly sequences, and required methods and materials, according to blueprints, drawings, and written or verbal instructions.
• Drill and punch holes in metal, for screws, bolts, and rivets.
• Fasten seams and joints together with welds, bolts, cement, rivets, solder, caulks, metal drive clips, and bonds in order to assemble components into products or to repair sheet metal items.
• Finish parts, using hacksaws, and hand, rotary, or squaring shears.
• Inspect individual parts, assemblies, and installations for conformance to specifications and building codes, using measuring instruments such as calipers, scales, and micrometers.
• Secure metal roof panels in place, then interlock and fasten grooved panel edges.
• Transport prefabricated parts to construction sites for assembly and installation.

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