What do Sheet Metal Workers do?
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; or inspecting, assembling, and smoothing seams and joints of burred surfaces. Includes sheet metal duct installers who install prefabricated sheet metal ducts used for heating, air conditioning, or other purposes.
- Determine project requirements, including scope, assembly sequences, and required methods and materials, according to blueprints, drawings, and written or verbal instructions.
- 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.
- Fasten seams or joints together with welds, bolts, cement, rivets, solder, caulks, metal drive clips, or bonds to assemble components into products or to repair sheet metal items.
- Install assemblies, such as flashing, pipes, tubes, heating and air conditioning ducts, furnace casings, rain gutters, or downspouts in supportive frameworks.
- Convert blueprints into shop drawings to be followed in the construction or assembly of sheet metal products.
- Fabricate or alter parts at construction sites, using shears, hammers, punches, or drills.
- Select gauges or types of sheet metal or nonmetallic material, according to product specifications.
- Maneuver completed units into position for installation, and anchor the units.
- Transport prefabricated parts to construction sites for assembly and installation.
- Drill and punch holes in metal, for screws, bolts, and rivets.
- Maintain equipment, making repairs or modifications when necessary.
- Trim, file, grind, deburr, buff, or smooth surfaces, seams, or joints of assembled parts, using hand tools or portable power tools.
- Finish parts, using hacksaws or hand, rotary, or squaring shears.
- Shape metal material over anvils, blocks, or other forms, using hand tools.
- Develop and lay out patterns that use materials most efficiently, using computerized metalworking equipment to experiment with different layouts.
- Inspect individual parts, assemblies, and installations for conformance to specifications and building codes, using measuring instruments such as calipers, scales, and micrometers.
- Hire, train, or supervise new employees or apprentices.
- Fasten roof panel edges and machine-made molding to structures, nailing or welding pieces into place.
- Secure metal roof panels in place, and interlock and fasten grooved panel edges.
- Construct components for high-performance wind turbine systems.
- Fabricate ducts for high efficiency heating, ventilating, and air conditioning (HVAC) systems to maximize efficiency of systems.
- Install green architectural sheet metal components, such as cool roofs or hot or cold walls.
- Perform building commissioning activities by completing mechanical inspections of a building's water, lighting, or heating, ventilating, and air conditioning (HVAC) systems.
- Perform sheet metal work necessary for solar panel installations.
- Verify that heating, ventilating, and air conditioning (HVAC) systems are designed, installed, and calibrated in accordance with green certification standards, such as those of Leadership in Energy and Environmental Design (LEED).
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