- Remove seats, carpeting, and interiors of doors and add sound-absorbing material in empty spaces, reinstalling interior parts.
Occupations with related tasks Save Table: XLSX CSV
- Apply, remove, and repair insulation on industrial equipment, pipes, ductwork, or other mechanical systems such as heat exchangers, tanks, and vessels, to help control noise and maintain temperatures.
- Fit insulation around obstructions, and shape insulating materials and protective coverings as required.
- Cover, seal, or finish insulated surfaces or access holes with plastic covers, canvas strips, sealants, tape, cement, or asphalt mastic.
- Distribute insulating materials evenly into small spaces within floors, ceilings, or walls, using blowers and hose attachments or cement mortar.
- Move controls, buttons, or levers to start blowers, and to regulate flow of materials through nozzles.
- Install sheet metal around insulated pipes with screws to protect the insulation from weather conditions or physical damage.
- Measure and cut insulation for covering surfaces, using tape measures, handsaws, knives, and scissors.
- Select appropriate insulation, such as fiberglass, Styrofoam, or cork, based on the heat retaining or excluding characteristics of the material.
- Determine the amounts and types of insulation needed, and methods of installation, based on factors such as location, surface shape, and equipment use.
- Read blueprints and specifications to determine job requirements.
- Prepare surfaces for insulation application by brushing or spreading on adhesives, cement, or asphalt, or by attaching metal pins to surfaces.
- Remove or seal off old asbestos insulation, following safety procedures.
- Fill blower hoppers with insulating materials.
- Apply, remove, and repair insulation on industrial equipment, pipes, ductwork, or other mechanical systems such as heat exchangers, tanks, and vessels, to help control noise and maintain temperatures.
- Fit insulation around obstructions, and shape insulating materials and protective coverings as required.
- Cover, seal, or finish insulated surfaces or access holes with plastic covers, canvas strips, sealants, tape, cement, or asphalt mastic.
- Distribute insulating materials evenly into small spaces within floors, ceilings, or walls, using blowers and hose attachments or cement mortar.
- Move controls, buttons, or levers to start blowers, and to regulate flow of materials through nozzles.
- Install sheet metal around insulated pipes with screws to protect the insulation from weather conditions or physical damage.
- Fit, wrap, staple, or glue insulating materials to structures or surfaces, using hand tools or wires.
- Cover and line structures with blown or rolled forms of materials to insulate against cold, heat, or moisture, using saws, knives, rasps, trowels, blowers, or other tools and implements.
- Distribute insulating materials evenly into small spaces within floors, ceilings, or walls, using blowers and hose attachments, or cement mortars.
- Move controls, buttons, or levers to start blowers and regulate flow of materials through nozzles.
- Cover, seal, or finish insulated surfaces or access holes with plastic covers, canvas strips, sealants, tape, cement or asphalt mastic.
- Measure and cut insulation for covering surfaces, using tape measures, handsaws, power saws, knives, or scissors.
- Fill blower hoppers with insulating materials.
- Read blueprints, and select appropriate insulation, based on space characteristics and the heat retaining or excluding characteristics of the material.
- Remove old insulation, such as asbestos, following safety procedures.
- Prepare surfaces for insulation application by brushing or spreading on adhesives, cement, or asphalt, or by attaching metal pins to surfaces.
- Fit, wrap, staple, or glue insulating materials to structures or surfaces, using hand tools or wires.
- Cover and line structures with blown or rolled forms of materials to insulate against cold, heat, or moisture, using saws, knives, rasps, trowels, blowers, or other tools and implements.
- Distribute insulating materials evenly into small spaces within floors, ceilings, or walls, using blowers and hose attachments, or cement mortars.
- Move controls, buttons, or levers to start blowers and regulate flow of materials through nozzles.
- Cover, seal, or finish insulated surfaces or access holes with plastic covers, canvas strips, sealants, tape, cement or asphalt mastic.
- Install and adjust brakes and brake pads.
- Install, repair, and replace equipment or accessories, such as handlebars, stands, lights, and seats.
- Install new tires and tubes.
- Install and adjust speed and gear mechanisms.
- Assemble new bicycles.
- Disassemble axles to repair, adjust, and replace defective parts, using hand tools.
- Build wheels by cutting and threading new spokes.
- Help customers select bicycles that fit their body sizes and intended bicycle uses.
- Align wheels.
- Sell bicycles and accessories.
- Clean and lubricate bicycle parts.
- Order bicycle parts.
- Shape replacement parts, using bench grinders.
- Repair holes in tire tubes, using scrapers and patches.
- Weld broken or cracked frames together, using oxyacetylene torches and welding rods.
- Paint bicycle frames, using spray guns or brushes.
- Install and adjust brakes and brake pads.
- Install, repair, and replace equipment or accessories, such as handlebars, stands, lights, and seats.
- Install new tires and tubes.
- Install and adjust speed and gear mechanisms.
- Assemble new bicycles.
- Disassemble axles to repair, adjust, and replace defective parts, using hand tools.
- Build wheels by cutting and threading new spokes.
- Apply insulation materials, such as loose, blanket, board, and foam insulation to attics, crawl spaces, basements, or walls.
- Wrap air ducts and water lines with insulating materials, such as duct wrap and pipe insulation.
- Prepare and apply weather-stripping, glazing, caulking, or door sweeps to reduce energy losses.
- Wrap water heaters with water heater blankets.
- Install and seal air ducts, combustion air openings, or ventilation openings to improve heating and cooling efficiency.
- Make minor repairs using basic hand or power tools and materials, such as glass, lumber, and drywall.
- Install storm windows or storm doors and verify proper fit.
- Test combustible appliances, such as gas appliances.
- Determine amount of air leakage in buildings, using a blower door machine.
- Test and diagnose air flow systems, using furnace efficiency analysis equipment.
- Inspect buildings to identify required weatherization measures, including repair work, modification, or replacement.
- Recommend weatherization techniques to clients in accordance with needs and applicable energy regulations, codes, policies, or statutes.
- Prepare cost estimates or specifications for rehabilitation or weatherization services.
- Contact residents or building owners to schedule appointments.
- Clean and maintain tools and equipment.
- Apply spackling, compounding, or other materials to repair holes in walls.
- Explain recommendations, policies, procedures, requirements, or other related information to residents or building owners.
- Maintain activity logs, financial transaction logs, or other records of weatherization work performed.
- Explain energy conservation measures, such as the use of low flow showerheads and energy-efficient lighting.
- Prepare or assist in the preparation of bids, contracts, or written reports related to weatherization work.
- Apply insulation materials, such as loose, blanket, board, and foam insulation to attics, crawl spaces, basements, or walls.
- Wrap air ducts and water lines with insulating materials, such as duct wrap and pipe insulation.
- Prepare and apply weather-stripping, glazing, caulking, or door sweeps to reduce energy losses.
- Wrap water heaters with water heater blankets.
- Install and seal air ducts, combustion air openings, or ventilation openings to improve heating and cooling efficiency.
- Make minor repairs using basic hand or power tools and materials, such as glass, lumber, and drywall.
- Install storm windows or storm doors and verify proper fit.
- Fit and weld replacement parts into place, using wrenches and welding equipment, and grind down welds to smooth them, using power grinders and other tools.
- Remove upholstery, accessories, electrical window-and-seat-operating equipment, and trim to gain access to vehicle bodies and fenders.
- Fit and secure windows, vinyl roofs, and metal trim to vehicle bodies, using caulking guns, adhesive brushes, and mallets.
- Remove damaged panels, and identify the family and properties of the plastic used on a vehicle.
- Remove damaged sections of vehicles using metal-cutting guns, air grinders and wrenches, and install replacement parts using wrenches or welding equipment.
- File, grind, sand, and smooth filled or repaired surfaces, using power tools and hand tools.
- Inspect repaired vehicles for proper functioning, completion of work, dimensional accuracy, and overall appearance of paint job, and test-drive vehicles to ensure proper alignment and handling.
- Prime and paint repaired surfaces, using paint sprayguns and motorized sanders.
- Follow supervisors' instructions as to which parts to restore or replace and how much time the job should take.
- Sand body areas to be painted and cover bumpers, windows, and trim with masking tape or paper to protect them from the paint.
- Chain or clamp frames and sections to alignment machines that use hydraulic pressure to align damaged components.
- Position dolly blocks against surfaces of dented areas and beat opposite surfaces to remove dents, using hammers.
- Cut and tape plastic separating film to outside repair areas to avoid damaging surrounding surfaces during repair procedure and remove tape and wash surfaces after repairs are complete.
- Review damage reports, prepare or review repair cost estimates, and plan work to be performed.
- Fill small dents that cannot be worked out with plastic or solder.
- Remove small pits and dimples in body metal, using pick hammers and punches.
- Mix polyester resins and hardeners to be used in restoring damaged areas.
- Adjust or align headlights, wheels, and brake systems.
- Replace damaged glass on vehicles.
- Apply heat to plastic panels, using hot-air welding guns or immersion in hot water, and press the softened panels back into shape by hand.
- Clean work areas, using air hoses, to remove damaged material and discarded fiberglass strips used in repair procedures.
- Soak fiberglass matting in resin mixtures and apply layers of matting over repair areas to specified thicknesses.
- Read specifications or confer with customers to determine the desired custom modifications for altering the appearance of vehicles.
- Cut openings in vehicle bodies for the installation of customized windows, using templates and power shears or chisels.
- Measure and mark vinyl material and cut material to size for roof installation, using rules, straightedges, and hand shears.
- Fit and weld replacement parts into place, using wrenches and welding equipment, and grind down welds to smooth them, using power grinders and other tools.
- Remove upholstery, accessories, electrical window-and-seat-operating equipment, and trim to gain access to vehicle bodies and fenders.
- Fit and secure windows, vinyl roofs, and metal trim to vehicle bodies, using caulking guns, adhesive brushes, and mallets.
- Remove damaged panels, and identify the family and properties of the plastic used on a vehicle.
- Remove damaged sections of vehicles using metal-cutting guns, air grinders and wrenches, and install replacement parts using wrenches or welding equipment.
- Remount wheels onto vehicles.
- Unbolt and remove wheels from vehicles, using lug wrenches or other hand or power tools.
- Rotate tires to different positions on vehicles, using hand tools.
- Hammer required counterweights onto rims of wheels.
- Reassemble tires onto wheels.
- Separate tubed tires from wheels, using rubber mallets and metal bars or mechanical tire changers.
- Raise vehicles, using hydraulic jacks.
- Place wheels on balancing machines to determine counterweights required to balance wheels.
- Identify tire size and ply and inflate tires accordingly.
- Replace valve stems and remove puncturing objects.
- Seal punctures in tubeless tires by inserting adhesive material and expanding rubber plugs into punctures, using hand tools.
- Inspect tire casings for defects, such as holes or tears.
- Locate punctures in tubeless tires by visual inspection or by immersing inflated tires in water baths and observing air bubbles.
- Glue tire patches over ruptures in tire casings, using rubber cement.
- Assist mechanics and perform various mechanical duties, such as changing oil or checking and replacing batteries.
- Clean and tidy up the shop.
- Buff defective areas of inner tubes, using scrapers.
- Order replacements for tires or tubes.
- Inflate inner tubes and immerse them in water to locate leaks.
- Clean sides of whitewall tires.
- Roll new rubber treads, known as camelbacks, over tire casings and mold the semi-raw rubber treads onto the buffed casings.
- Prepare rims and wheel drums for reassembly by scraping, grinding, or sandblasting.
- Apply rubber cement to buffed tire casings prior to vulcanization process.
- Patch tubes with adhesive rubber patches or seal rubber patches to tubes, using hot vulcanizing plates.
- Place tire casings and tread rubber assemblies in tire molds for the vulcanization process and exert pressure to ensure good adhesion.
- Drive automobile or service trucks to industrial sites to provide services or respond to emergency calls.
- Remount wheels onto vehicles.
- Unbolt and remove wheels from vehicles, using lug wrenches or other hand or power tools.
- Rotate tires to different positions on vehicles, using hand tools.
- Hammer required counterweights onto rims of wheels.
- Reassemble tires onto wheels.
- Separate tubed tires from wheels, using rubber mallets and metal bars or mechanical tire changers.
- Perform building weatherization tasks, such as repairing windows, adding insulation, or applying weather-stripping materials.
- Apply weather-stripping to reduce energy loss.
- Perform site activities required of green certified construction practices, such as implementing waste management procedures, identifying materials for reuse, or installing erosion or sedimentation control mechanisms.
- Erect or dismantle scaffolding, shoring, braces, traffic barricades, ramps, or other temporary structures.
- Place, consolidate, or protect case-in-place concrete or masonry structures.
- Perform construction laborer duties at green building sites, such as renewable energy plants or wind turbine installations.
- Tend pumps, compressors, or generators to provide power for tools, machinery, or equipment or to heat or move materials, such as asphalt.
- Lubricate, clean, or repair machinery, equipment, or tools.
- Signal equipment operators to facilitate alignment, movement, or adjustment of machinery, equipment, or materials.
- Read plans, instructions, or specifications to determine work activities.
- Measure, mark, or record openings or distances to layout areas where construction work will be performed.
- Clean or prepare construction sites to eliminate possible hazards.
- Dig ditches or trenches, backfill excavations, or compact and level earth to grade specifications, using picks, shovels, pneumatic tampers, or rakes.
- Load, unload, or identify building materials, machinery, or tools, distributing them to the appropriate locations, according to project plans or specifications.
- Position, join, align, or seal structural components, such as concrete wall sections or pipes.
- Control traffic passing near, in, or around work zones.
- Install sewer, water, or storm drain pipes, using pipe-laying machinery or laser guidance equipment.
- Operate or maintain air monitoring or other sampling devices in confined or hazardous environments.
- Smooth or finish freshly poured cement or concrete, using floats, trowels, screeds, or powered cement finishing tools.
- Provide assistance to craft workers, such as carpenters, plasterers, or masons.
- Spray materials, such as water, sand, steam, vinyl, paint, or stucco, through hoses to clean, coat, or seal surfaces.
- Raze buildings or salvage useful materials.
- Mop, brush, or spread paints, cleaning solutions, or other compounds over surfaces to clean them or to provide protection.
- Position or dismantle forms for pouring concrete, using saws, hammers, nails, or bolts.
- Grind, scrape, sand, or polish surfaces, such as concrete, marble, terrazzo, or wood flooring, using abrasive tools or machines.
- Mix ingredients to create compounds for covering or cleaning surfaces.
- Mix, pour, or spread concrete, using portable cement mixers.
- Operate jackhammers or drills to break up concrete or pavement.
- Apply caulking compounds by hand or caulking guns to protect against entry of water or air.
- Tend machines that pump concrete, grout, cement, sand, plaster, or stucco through spray guns for application to ceilings or walls.
- Identify, pack, or transport hazardous or radioactive materials.
- Use computers or other input devices to control robotic pipe cutters or cleaners.
- Perform building weatherization tasks, such as repairing windows, adding insulation, or applying weather-stripping materials.
- Apply weather-stripping to reduce energy loss.
- Perform site activities required of green certified construction practices, such as implementing waste management procedures, identifying materials for reuse, or installing erosion or sedimentation control mechanisms.
- Erect or dismantle scaffolding, shoring, braces, traffic barricades, ramps, or other temporary structures.
- Place, consolidate, or protect case-in-place concrete or masonry structures.
- Perform construction laborer duties at green building sites, such as renewable energy plants or wind turbine installations.
- Reassemble frames and reinstall engines after repairs.
- Install motorcycle accessories.
- Dismantle engines and repair or replace defective parts, such as magnetos, carburetors, or generators.
- Disassemble subassembly units and examine condition, movement, or alignment of parts, visually or using gauges.
- Reassemble and test subassembly units.
- Mount, balance, change, or check condition or pressure of tires.
- Replace defective parts, using hand tools, arbor presses, flexible power presses, or power tools.
- Connect test panels to engines and measure generator output, ignition timing, or other engine performance indicators.
- Listen to engines, examine vehicle frames, or confer with customers to determine nature and extent of malfunction or damage.
- Repair or replace other parts, such as headlights, horns, handlebar controls, gasoline or oil tanks, starters, or mufflers.
- Repair or adjust motorcycle subassemblies, such as forks, transmissions, brakes, or drive chains, according to specifications.
- Remove cylinder heads and grind valves to scrape off carbon and replace defective valves, pistons, cylinders, or rings, using hand and power tools.
- Hammer out dents and bends in frames and weld tears and breaks.
- Reassemble frames and reinstall engines after repairs.
- Install motorcycle accessories.
- Dismantle engines and repair or replace defective parts, such as magnetos, carburetors, or generators.
- Disassemble subassembly units and examine condition, movement, or alignment of parts, visually or using gauges.
- Reassemble and test subassembly units.
- Install, adjust, or repair hydraulic or electromagnetic automatic lift mechanisms used to raise and lower automobile windows, seats, and tops.
- Retrofit vehicle fuel systems with aftermarket products, such as vapor transfer devices, evaporation control devices, swirlers, lean burn devices, and friction reduction devices, to enhance combustion and fuel efficiency.
- Tear down, repair, and rebuild faulty assemblies, such as power systems, steering systems, and linkages.
- Disassemble units and inspect parts for wear, using micrometers, calipers, and gauges.
- Inspect vehicles for damage and record findings so that necessary repairs can be made.
- Test drive vehicles and test components and systems, using equipment such as infrared engine analyzers, compression gauges, and computerized diagnostic devices.
- Test and adjust repaired systems to meet manufacturers' performance specifications.
- Repair, reline, replace, and adjust brakes.
- Review work orders and discuss work with supervisors.
- Estimate costs of vehicle repair.
- Confer with customers to obtain descriptions of vehicle problems and to discuss work to be performed and future repair requirements.
- Align vehicles' front ends.
- Align wheels, axles, frames, torsion bars, and steering mechanisms of automobiles, using special alignment equipment and wheel-balancing machines.
- Perform routine and scheduled maintenance services, such as oil changes, lubrications, and tune-ups.
- Plan work procedures, using charts, technical manuals, and experience.
- Follow checklists to ensure all important parts are examined, including belts, hoses, steering systems, spark plugs, brake and fuel systems, wheel bearings, and other potentially troublesome areas.
- Maintain cleanliness of work area.
- Change spark plugs, fuel filters, air filters, and batteries in hybrid electric vehicles.
- Repair and service air conditioning, heating, engine cooling, and electrical systems.
- Test electronic computer components in automobiles to ensure proper operation.
- Overhaul or replace carburetors, blowers, generators, distributors, starters, and pumps.
- Repair or replace parts such as pistons, rods, gears, valves, and bearings.
- Rewire ignition systems, lights, and instrument panels.
- Troubleshoot fuel, ignition, and emissions control systems, using electronic testing equipment.
- Tune automobile engines to ensure proper and efficient functioning.
- Repair, replace, or adjust defective fuel injectors, carburetor parts, and gasoline filters.
- Conduct visual inspections of compressed natural gas fuel systems to identify cracks, gouges, abrasions, discoloration, broken fibers, loose brackets, damaged gaskets, or other problems.
- Rebuild parts, such as crankshafts and cylinder blocks.
- Diagnose and replace or repair engine management systems or related sensors for flexible fuel vehicles (FFVs) with ignition timing, fuel rate, alcohol concentration, or air-to-fuel ratio malfunctions.
- Repair or rebuild transmissions.
- Install, adjust, or repair hydraulic or electromagnetic automatic lift mechanisms used to raise and lower automobile windows, seats, and tops.
- Retrofit vehicle fuel systems with aftermarket products, such as vapor transfer devices, evaporation control devices, swirlers, lean burn devices, and friction reduction devices, to enhance combustion and fuel efficiency.
- Tear down, repair, and rebuild faulty assemblies, such as power systems, steering systems, and linkages.
- Disassemble units and inspect parts for wear, using micrometers, calipers, and gauges.
- Install or repair accessories.
- Dismount, mount, and repair or replace tires.
- Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
- Use handtools, such as screwdrivers, pliers, wrenches, pressure gauges, or precision instruments, as well as power tools, such as pneumatic wrenches, lathes, welding equipment, or jacks and hoists.
- Inspect brake systems, steering mechanisms, wheel bearings, and other important parts to ensure that they are in proper operating condition.
- Raise trucks, buses, and heavy parts or equipment using hydraulic jacks or hoists.
- Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
- Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
- Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
- Examine and adjust protective guards, loose bolts, and specified safety devices.
- Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
- Rewire ignition systems, lights, and instrument panels.
- Test drive trucks and buses to diagnose malfunctions or to ensure that they are working properly.
- Diagnose and repair vehicle heating and cooling systems.
- Inspect, repair, and maintain automotive and mechanical equipment and machinery, such as pumps and compressors.
- Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
- Adjust or repair computer controlled exhaust emissions devices.
- Rebuild gas or diesel engines.
- Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.
- Recondition and replace parts, pistons, bearings, gears, and valves.
- Repair or adjust seats, doors, or windows.
- Align front ends and suspension systems.
- Maintain or repair vehicles with alternative fuel systems, including biodiesel, hybrid, or compressed natural gas vehicles.
- Measure vehicle emissions to determine whether they are within acceptable limits.
- Follow green operational practices involving conservation of water or energy or reduction of solid waste.
- Operate valve-grinding machines to grind and reset valves.
- Install or repair accessories.
- Dismount, mount, and repair or replace tires.
- Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
- Install vapor barriers or layers of insulation on flat roofs.
- Set up scaffolding to provide safe access to roofs.
- Cement or nail flashing strips of metal or shingle over joints to make them watertight.
- Install partially overlapping layers of material over roof insulation surfaces, using chalk lines, gauges on shingling hatchets, or lines on shingles.
- Apply plastic coatings, membranes, fiberglass, or felt over sloped roofs before applying shingles.
- Install, repair, or replace single-ply roofing systems, using waterproof sheet materials such as modified plastics, elastomeric, or other asphaltic compositions.
- Attach roofing paper to roofs in overlapping strips to form bases for other materials.
- Cover roofs or exterior walls of structures with slate, asphalt, aluminum, wood, gravel, gypsum, or related materials, using brushes, knives, punches, hammers, or other tools.
- Apply reflective roof coatings, such as special paints or single-ply roofing sheets, to existing roofs to reduce solar heat absorption.
- Apply alternate layers of hot asphalt or tar and roofing paper to roofs.
- Install attic ventilation systems, such as turbine vents, gable or ridge vents, or conventional or solar-powered exhaust fans.
- Install skylights on roofs to increase natural light inside structures or to reduce energy costs.
- Apply gravel or pebbles over top layers of roofs, using rakes or stiff-bristled brooms.
- Apply modular soil- and plant-containing grids over existing roof membranes to create green roofs.
- Install layers of vegetation-based green roofs, including protective membranes, drainage, aeration, water retention and filter layers, soil substrates, irrigation materials, and plants.
- Inspect problem roofs to determine the best repair procedures.
- Remove snow, water, or debris from roofs prior to applying roofing materials.
- Estimate materials and labor required to complete roofing jobs.
- Cut felt, shingles, or strips of flashing to fit angles formed by walls, vents, or intersecting roof surfaces.
- Waterproof or damp-proof walls, floors, roofs, foundations, or basements by painting or spraying surfaces with waterproof coatings or by attaching waterproofing membranes to surfaces.
- Cover exposed nailheads with roofing cement or caulking to prevent water leakage or rust.
- Smooth rough spots to prepare surfaces for waterproofing, using hammers, chisels, or rubbing bricks.
- Glaze top layers to make a smooth finish or embed gravel in the bitumen for rough surfaces.
- Mop or pour hot asphalt or tar onto roof bases.
- Install solar roofing systems that have energy-collecting photovoltaic panels built into roofing membranes, shingles, or tiles.
- Spray roofs, sidings, or walls to bind, seal, insulate, or soundproof sections of structures, using spray guns, air compressors, or heaters.
- Attach solar panels to existing roofs, according to specifications and without damaging roofing materials or the structural integrity of buildings.
- Punch holes in slate, tile, terra cotta, or wooden shingles, using punches and hammers.
- Install vapor barriers or layers of insulation on flat roofs.
- Set up scaffolding to provide safe access to roofs.
- Cement or nail flashing strips of metal or shingle over joints to make them watertight.
- Install partially overlapping layers of material over roof insulation surfaces, using chalk lines, gauges on shingling hatchets, or lines on shingles.
- Apply plastic coatings, membranes, fiberglass, or felt over sloped roofs before applying shingles.
- Install, repair, or replace single-ply roofing systems, using waterproof sheet materials such as modified plastics, elastomeric, or other asphaltic compositions.
- Attach roofing paper to roofs in overlapping strips to form bases for other materials.
- Cover roofs or exterior walls of structures with slate, asphalt, aluminum, wood, gravel, gypsum, or related materials, using brushes, knives, punches, hammers, or other tools.
- Apply reflective roof coatings, such as special paints or single-ply roofing sheets, to existing roofs to reduce solar heat absorption.
- Apply alternate layers of hot asphalt or tar and roofing paper to roofs.
- Install attic ventilation systems, such as turbine vents, gable or ridge vents, or conventional or solar-powered exhaust fans.
- Install skylights on roofs to increase natural light inside structures or to reduce energy costs.
- Apply gravel or pebbles over top layers of roofs, using rakes or stiff-bristled brooms.
- Apply modular soil- and plant-containing grids over existing roof membranes to create green roofs.
- Install layers of vegetation-based green roofs, including protective membranes, drainage, aeration, water retention and filter layers, soil substrates, irrigation materials, and plants.
- Install blanket insulation between studs and tack plastic moisture barriers over insulation.
- Fit and fasten wallboard or drywall into position on wood or metal frameworks, using glue, nails, or screws.
- Assemble or install metal framing or decorative trim for windows, doorways, or vents.
- Cut fixture or border tiles to size, using keyhole saws, and insert them into surrounding frameworks.
- Cut and screw together metal channels to make floor or ceiling frames, according to plans for the location of rooms or hallways.
- Hang drywall panels on metal frameworks of walls and ceilings in offices, schools, or other large buildings, using lifts or hoists to adjust panel heights, when necessary.
- Suspend angle iron grids or channel irons from ceilings, using wire.
- Install horizontal and vertical metal or wooden studs to frames so that wallboard can be attached to interior walls.
- Fasten metal or rockboard lath to the structural framework of walls, ceilings, or partitions of buildings, using nails, screws, staples, or wire-ties.
- Apply or mount acoustical tile or blocks, strips, or sheets of shock-absorbing materials to ceilings or walls of buildings to reduce reflection of sound or to decorate rooms.
- Mount tile, using adhesives, or by nailing, screwing, stapling, or wire-tying lath directly to structural frameworks.
- Nail channels or wood furring strips to surfaces to provide mounting for tile.
- Install metal lath where plaster applications will be exposed to weather or water, or for curved or irregular surfaces.
- Apply cement to backs of tiles and press tiles into place, aligning them with layout marks or joints of previously laid tile.
- Read blueprints or other specifications to determine methods of installation, work procedures, or material or tool requirements.
- Measure and mark surfaces to lay out work, according to blueprints or drawings, using tape measures, straightedges or squares, and marking devices.
- Measure and cut openings in panels or tiles for electrical outlets, windows, vents, plumbing, or other fixtures, using keyhole saws or other cutting tools.
- Cut metal or wood framing and trim to size, using cutting tools.
- Inspect furrings, mechanical mountings, or masonry surfaces for plumbness and level, using spirit or water levels.
- Trim rough edges from wallboard to maintain even joints, using knives.
- Coordinate work with drywall finishers who cover the seams between drywall panels.
- Scribe and cut edges of tile to fit walls where wall molding is not specified.
- Hang dry lines to wall moldings to guide positioning of main runners.
- Seal joints between ceiling tiles and walls.
- Remove existing plaster, drywall, or paneling, using crowbars and hammers.
- Wash concrete surfaces before mounting tile to increase adhesive qualities of surfaces, using washing soda and zinc sulfate solution.
- Install blanket insulation between studs and tack plastic moisture barriers over insulation.
- Fit and fasten wallboard or drywall into position on wood or metal frameworks, using glue, nails, or screws.
- Assemble or install metal framing or decorative trim for windows, doorways, or vents.
- Cut fixture or border tiles to size, using keyhole saws, and insert them into surrounding frameworks.
- Cut and screw together metal channels to make floor or ceiling frames, according to plans for the location of rooms or hallways.
- Hang drywall panels on metal frameworks of walls and ceilings in offices, schools, or other large buildings, using lifts or hoists to adjust panel heights, when necessary.
- Suspend angle iron grids or channel irons from ceilings, using wire.
- Install horizontal and vertical metal or wooden studs to frames so that wallboard can be attached to interior walls.
- Fasten metal or rockboard lath to the structural framework of walls, ceilings, or partitions of buildings, using nails, screws, staples, or wire-ties.
- Apply or mount acoustical tile or blocks, strips, or sheets of shock-absorbing materials to ceilings or walls of buildings to reduce reflection of sound or to decorate rooms.
- Mount tile, using adhesives, or by nailing, screwing, stapling, or wire-tying lath directly to structural frameworks.
- Nail channels or wood furring strips to surfaces to provide mounting for tile.
- Install metal lath where plaster applications will be exposed to weather or water, or for curved or irregular surfaces.
- Apply cement to backs of tiles and press tiles into place, aligning them with layout marks or joints of previously laid tile.
- Insert sealing strips, wiring, insulating material, ladders, flanges, gauges, or valves, depending on types of structures being assembled.
- Connect columns, beams, and girders with bolts, following blueprints and instructions from supervisors.
- Bolt aligned structural steel members in position for permanent riveting, bolting, or welding into place.
- Erect metal or precast concrete components for structures, such as buildings, bridges, dams, towers, storage tanks, fences, or highway guard rails.
- Force structural steel members into final positions, using turnbuckles, crowbars, jacks, or hand tools.
- Drive drift pins through rivet holes to align rivet holes in structural steel members with corresponding holes in previously placed members.
- Assemble hoisting equipment or rigging, such as cables, pulleys, or hooks, to move heavy equipment or materials.
- Dismantle structures or equipment.
- Read specifications or blueprints to determine the locations, quantities, or sizes of materials required.
- Fasten structural steel members to hoist cables, using chains, cables, or rope.
- Hoist steel beams, girders, or columns into place, using cranes or signaling hoisting equipment operators to lift and position structural steel members.
- Verify vertical and horizontal alignment of structural steel members, using plumb bobs, laser equipment, transits, or levels.
- Cut, bend, or weld steel pieces, using metal shears, torches, or welding equipment.
- Pull, push, or pry structural steel members into approximate positions for bolting into place.
- Unload and position prefabricated steel units for hoisting, as needed.
- Fabricate metal parts, such as steel frames, columns, beams, or girders, according to blueprints or instructions from supervisors.
- Ride on girders or other structural steel members to position them, or use rope to guide them into position.
- Hold rivets while riveters use air hammers to form heads on rivets.
- Place blocks under reinforcing bars used to reinforce floors.
- Catch hot rivets in buckets and insert rivets in holes, using tongs.
- Insert sealing strips, wiring, insulating material, ladders, flanges, gauges, or valves, depending on types of structures being assembled.
- Connect columns, beams, and girders with bolts, following blueprints and instructions from supervisors.
- Bolt aligned structural steel members in position for permanent riveting, bolting, or welding into place.
- Erect metal or precast concrete components for structures, such as buildings, bridges, dams, towers, storage tanks, fences, or highway guard rails.
- Force structural steel members into final positions, using turnbuckles, crowbars, jacks, or hand tools.
- Drive drift pins through rivet holes to align rivet holes in structural steel members with corresponding holes in previously placed members.
- Assemble hoisting equipment or rigging, such as cables, pulleys, or hooks, to move heavy equipment or materials.
- Dismantle structures or equipment.
- Position, attach, or blow insulating materials to prevent energy losses from buildings, pipes, or other structures or objects.
- Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
- Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
- Fabricate or repair counters, benches, partitions, or other wooden structures, such as sheds or outbuildings.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
- Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.
- Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
- Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges.
- Order parts, supplies, or equipment from catalogs or suppliers.
- Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary.
- Design new equipment to aid in the repair or maintenance of machines, mechanical equipment, or building structures.
- Clean or lubricate shafts, bearings, gears, or other parts of machinery.
- Estimate costs to repair machinery, equipment, or building structures.
- Align and balance new equipment after installation.
- Record type and cost of maintenance or repair work.
- Maintain or repair specialized equipment or machinery located in cafeterias, laundries, hospitals, stores, offices, or factories.
- Plan and lay out repair work, using diagrams, drawings, blueprints, maintenance manuals, or schematic diagrams.
- Install equipment to improve the energy or operational efficiency of residential or commercial buildings.
- Set up and operate machine tools to repair or fabricate machine parts, jigs, fixtures, or tools.
- Perform general cleaning of buildings or properties.
- Train or manage maintenance personnel or subcontractors.
- Paint or repair roofs, windows, doors, floors, woodwork, plaster, drywall, or other parts of building structures.
- Test and treat water supply.
- Provide groundskeeping services, such as landscaping or snow removal.
- Operate cutting torches or welding equipment to cut or join metal parts.
- Inspect used parts to determine changes in dimensional requirements, using rules, calipers, micrometers, or other measuring instruments.
- Lay brick to repair or maintain buildings, walls, arches, or other structures.
- Grind and reseat valves, using valve-grinding machines.
- Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices.
- Position, attach, or blow insulating materials to prevent energy losses from buildings, pipes, or other structures or objects.
- Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
- Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
- Fabricate or repair counters, benches, partitions, or other wooden structures, such as sheds or outbuildings.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
- Cut and form insulation, and insert insulation into armature, rotor, or stator slots.
- Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
- Disassemble defective equipment so that repairs can be made, using hand tools.
- Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools.
- Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment.
- Bolt porcelain insulators to wood parts to assemble hot stools.
- Inspect and test equipment to locate damage or worn parts and diagnose malfunctions, or read work orders or schematic drawings to determine required repairs.
- Measure velocity, horsepower, revolutions per minute (rpm), amperage, circuitry, and voltage of units or parts to diagnose problems, using ammeters, voltmeters, wattmeters, and other testing devices.
- Repair and rebuild defective mechanical parts in electric motors, generators, and related equipment, using hand tools and power tools.
- Lift units or parts such as motors or generators, using cranes or chain hoists, or signal crane operators to lift heavy parts or subassemblies.
- Record repairs required, parts used, and labor time.
- Adjust working parts, such as fan belts, contacts, and springs, using hand tools and gauges.
- Lubricate moving parts.
- Read service guides to find information needed to perform repairs.
- Inspect electrical connections, wiring, relays, charging resistance boxes, and storage batteries, following wiring diagrams.
- Scrape and clean units or parts, using cleaning solvents and equipment such as buffing wheels.
- Weld, braze, or solder electrical connections.
- Verify and adjust alignments and dimensions of parts, using gauges and tracing lathes.
- Steam-clean polishing and buffing wheels to remove abrasives and bonding materials, and spray, brush, or recoat surfaces as necessary.
- Set machinery for proper performance, using computers.
- Test equipment for overheating, using speed gauges and thermometers.
- Reface, ream, and polish commutators and machine parts to specified tolerances, using machine tools.
- Maintain stocks of parts.
- Solder, wrap, and coat wires to ensure proper insulation.
- Rewire electrical systems, and repair or replace electrical accessories.
- Clean cells, cell assemblies, glassware, leads, electrical connections, and battery poles, using scrapers, steam, water, emery cloths, power grinders, or acid.
- Rewind coils on cores in slots, or make replacement coils, using coil-winding machines.
- Test conditions, fluid levels, and specific gravities of electrolyte cells, using voltmeters, hydrometers, and thermometers.
- Add water or acid to battery cell solutions to obtain specified concentrations.
- Pour compounds into transformer-case terminal openings to seal out moisture.
- Hammer out dents and twists in tools and equipment.
- Drain and filter transformer oil and refill transformers with oil until coils are submerged.
- Seal joints with putty, mortar, and asbestos, using putty extruders and knives.
- Repair and operate battery-charging equipment.
- Sharpen tools such as saws, picks, shovels, screwdrivers, and scoops, either manually or by using bench grinders and emery wheels.
- Inspect batteries for structural defects such as dented cans, damaged carbon rods and terminals, and defective seals.
- Test battery charges, and replace or recharge batteries as necessary.
- Position and level battery cells, anodes, or cathodes, using hoists or leveling jacks, or signal other workers to perform positioning and leveling.
- Clean, rinse, and dry transformer cases, using boiling water, scrapers, solvents, hoses, and cloths.
- Cut and form insulation, and insert insulation into armature, rotor, or stator slots.
- Reassemble repaired electric motors to specified requirements and ratings, using hand tools and electrical meters.
- Disassemble defective equipment so that repairs can be made, using hand tools.
- Assemble electrical parts such as alternators, generators, starting devices, and switches, following schematic drawings and using hand, machine, and power tools.
- Remove and replace defective parts such as coil leads, carbon brushes, and wires, using soldering equipment.
- Bolt porcelain insulators to wood parts to assemble hot stools.
- Cut and install insulating or sound-absorbing material.
- Fasten timbers or lumber with glue, screws, pegs, or nails and install hardware.
- Erect scaffolding, shoring, or braces.
- Install handrails under the direction of a carpenter.
- Clean work areas, machines, or equipment, to maintain a clean and safe job site.
- Perform tie spacing layout and measure, mark, drill or cut.
- Select tools, equipment, or materials from storage and transport items to work site.
- Drill holes in timbers or lumber.
- Cut timbers, lumber, or paneling to specified dimensions.
- Position and hold timbers, lumber, or paneling in place for fastening or cutting.
- Align, straighten, plumb, or square forms for installation.
- Hold plumb bobs, sighting rods, or other equipment to aid in establishing reference points and lines.
- Construct forms and assist in raising them to the required elevation.
- Glue and clamp edges or joints of assembled parts.
- Smooth or sand surfaces to remove ridges, tool marks, glue, or caulking.
- Secure stakes to grids for constructions of footings, nail scabs to footing forms, and vibrate and float concrete.
- Cut tile or linoleum to fit and spread adhesives on flooring for installation.
- Cover surfaces with laminated plastic covering material.
- Cut and install insulating or sound-absorbing material.
- Fasten timbers or lumber with glue, screws, pegs, or nails and install hardware.
- Erect scaffolding, shoring, or braces.
- Install handrails under the direction of a carpenter.
- Repair, fabricate, and install steel or wood fittings, using blueprints, shop sketches, and instruction manuals.
- Remove locomotives, car mechanical units, or other components, using pneumatic hoists and jacks, pinch bars, hand tools, and cutting torches.
- Disassemble units such as water pumps, control valves, and compressors so that repairs can be made.
- Install and repair interior flooring, fixtures, walls, plumbing, steps, and platforms.
- Record conditions of cars, and repair and maintenance work performed or to be performed.
- Inspect components such as bearings, seals, gaskets, wheels, and coupler assemblies to determine if repairs are needed.
- Repair or replace defective or worn parts such as bearings, pistons, and gears, using hand tools, torque wrenches, power tools, and welding equipment.
- Inspect the interior and exterior of rail cars coming into rail yards to identify defects and to determine the extent of wear and damage.
- Test units for operability before and after repairs.
- Adjust repaired or replaced units as needed to ensure proper operation.
- Perform scheduled maintenance, and clean units and components.
- Examine car roofs for wear and damage, and repair defective sections, using roofing material, cement, nails, and waterproof paint.
- Paint car exteriors, interiors, and fixtures.
- Repair and maintain electrical and electronic controls for propulsion and braking systems.
- Measure diameters of axle wheel seats, using micrometers, and mark dimensions on axles so that wheels can be bored to specified dimensions.
- Test electrical systems of cars by operating systems and using testing equipment such as ammeters.
- Replace defective wiring and insulation, and tighten electrical connections, using hand tools.
- Repair window sash frames, attach weather stripping and channels to frames, and replace window glass, using hand tools.
- Align car sides for installation of car ends and crossties, using width gauges, turnbuckles, and wrenches.
- Repair car upholstery.
- Repair, fabricate, and install steel or wood fittings, using blueprints, shop sketches, and instruction manuals.
- Remove locomotives, car mechanical units, or other components, using pneumatic hoists and jacks, pinch bars, hand tools, and cutting torches.
- Disassemble units such as water pumps, control valves, and compressors so that repairs can be made.
- Install and repair interior flooring, fixtures, walls, plumbing, steps, and platforms.
- Apply insulation to building exteriors by installing prefabricated insulation systems over existing walls or by covering the outer wall with insulation board, reinforcing mesh, and a base coat.
- Set up scaffolds.
- Mold or install ornamental plaster pieces, panels, or trim.
- Cover surfaces such as windows, doors, or sidewalks to protect from splashing.
- Clean job sites.
- Mix mortar and plaster to desired consistency or direct workers who perform mixing.
- Apply coats of plaster or stucco to walls, ceilings, or partitions of buildings, using trowels, brushes, or spray guns.
- Determine materials needed to complete the job and place orders accordingly.
- Apply weatherproof, decorative coverings to exterior surfaces of buildings, such as by troweling or spraying on coats of stucco.
- Clean and prepare surfaces for applications of plaster, cement, stucco, or similar materials, such as by drywall taping.
- Create decorative textures in finish coat, using brushes or trowels, sand, pebbles, or stones.
- Rough the undercoat surface with a scratcher so the finish coat will adhere.
- Cure freshly plastered surfaces.
- Install guide wires on exterior surfaces of buildings to indicate thickness of plaster or stucco and nail wire mesh, lath, or similar materials to the outside surface to hold stucco in place.
- Spray acoustic materials or texture finish over walls or ceilings.
- Apply insulation to building exteriors by installing prefabricated insulation systems over existing walls or by covering the outer wall with insulation board, reinforcing mesh, and a base coat.
- Set up scaffolds.
- Mold or install ornamental plaster pieces, panels, or trim.
- Remove moldings, clips, windshield wipers, screws, bolts, and inside A-pillar moldings and lower headliners in preparation for installation or repair work.
- Replace all moldings, clips, windshield wipers, or other parts that were removed prior to glass replacement or repair.
- Install new foam dams on pinchwelds, if required.
- Prime all scratches on pinchwelds with primer and allow to dry.
- Remove all dirt, foreign matter, and loose glass from damaged areas, apply primer along windshield or window edges, and allow primer to dry.
- Allow all glass parts installed with urethane ample time to cure, taking temperature and humidity into account.
- Apply a bead of urethane around the perimeter of each pinchweld and dress the remaining urethane on the pinchwelds so that it is of uniform level and thickness.
- Select appropriate tools, safety equipment, and parts, according to job requirements.
- Install replacement glass in vehicles.
- Obtain windshields or windows for specific automobile makes and models from stock and examine them for defects prior to installation.
- Check for and remove moisture or contamination in damaged areas and keep areas dry until repairs are complete.
- Remove broken or damaged glass windshields or window glass from motor vehicles, using hand tools to remove screws from frames holding glass.
- Install, repair, or replace safety glass and related materials, such as back glass heating elements, on vehicles or equipment.
- Cool or warm glass in the event of temperature extremes.
- Replace or adjust motorized or manual window-raising mechanisms.
- Install rubber channeling strips around edges of glass or frames to weatherproof windows or to prevent rattling.
- Hold cut or uneven edges of glass against automated abrasive belts to shape or smooth edges.
- Cut flat safety glass according to specified patterns or perform precision pattern making and glass cutting to custom fit replacement windows.
- Remove moldings, clips, windshield wipers, screws, bolts, and inside A-pillar moldings and lower headliners in preparation for installation or repair work.
- Replace all moldings, clips, windshield wipers, or other parts that were removed prior to glass replacement or repair.
- Install new foam dams on pinchwelds, if required.
- Place insulating or fireproofing materials over conductors and joints.
- Install, maintain, and repair electrical distribution and transmission systems, including conduits, cables, wires, and related equipment, such as transformers, circuit breakers, and switches.
- Attach cross-arms, insulators, and auxiliary equipment to poles prior to installing them.
- Adhere to safety practices and procedures, such as checking equipment regularly and erecting barriers around work areas.
- Drive vehicles equipped with tools and materials to job sites.
- Open switches or attach grounding devices to remove electrical hazards from disturbed or fallen lines or to facilitate repairs.
- Climb poles or use truck-mounted buckets to access equipment.
- Inspect and test power lines and auxiliary equipment to locate and identify problems, using reading and testing instruments.
- Coordinate work assignment preparation and completion with other workers.
- Replace or straighten damaged poles.
- String wire conductors and cables between poles, towers, trenches, pylons, and buildings, setting lines in place and using winches to adjust tension.
- Dig holes, using augers, and set poles, using cranes and power equipment.
- Travel in trucks, helicopters, and airplanes to inspect lines for freedom from obstruction and adequacy of insulation.
- Identify defective sectionalizing devices, circuit breakers, fuses, voltage regulators, transformers, switches, relays, or wiring, using wiring diagrams and electrical-testing instruments.
- Install watt-hour meters and connect service drops between power lines and consumers' facilities.
- Test conductors, according to electrical diagrams and specifications, to identify corresponding conductors and to prevent incorrect connections.
- Splice or solder cables together or to overhead transmission lines, customer service lines, or street light lines, using hand tools, epoxies, or specialized equipment.
- Trim trees that could be hazardous to the functioning of cables or wires.
- Pull up cable by hand from large reels mounted on trucks.
- Lay underground cable directly in trenches, or string it through conduit running through the trenches.
- Cut trenches for laying underground cables, using trenchers and cable plows.
- Cut and peel lead sheathing and insulation from defective or newly installed cables and conduits prior to splicing.
- Clean, tin, and splice corresponding conductors by twisting ends together or by joining ends with metal clamps and soldering connections.
- Place insulating or fireproofing materials over conductors and joints.
- Install, maintain, and repair electrical distribution and transmission systems, including conduits, cables, wires, and related equipment, such as transformers, circuit breakers, and switches.
- Attach cross-arms, insulators, and auxiliary equipment to poles prior to installing them.
- Place insulation over conductors, or seal splices with moisture-proof covering.
- Participate in the construction or removal of telecommunication towers or associated support structures.
- Set up service for customers, installing, connecting, testing, or adjusting equipment.
- Travel to customers' premises to install, maintain, or repair audio and visual electronic reception equipment or accessories.
- Measure signal strength at utility poles, using electronic test equipment.
- Inspect or test lines or cables, recording and analyzing test results, to assess transmission characteristics and locate faults or malfunctions.
- Splice cables, using hand tools, epoxy, or mechanical equipment.
- Access specific areas to string lines, or install terminal boxes, auxiliary equipment, or appliances, using bucket trucks, climbing poles or ladders, or entering tunnels, trenches, or crawl spaces.
- Clean or maintain tools or test equipment.
- String cables between structures and lines from poles, towers, or trenches, and pull lines to proper tension.
- Pull up cable by hand from large reels mounted on trucks.
- Lay underground cable directly in trenches, or string it through conduits running through trenches.
- Pull cable through ducts by hand or with winches.
- Dig trenches for underground wires or cables.
- Explain cable service to subscribers after installation, and collect any installation fees due.
- Compute impedance of wires from poles to houses to determine additional resistance needed for reducing signals to desired levels.
- Install equipment such as amplifiers or repeaters to maintain the strength of communications transmissions.
- Use a variety of construction equipment to complete installations, such as digger derricks, trenchers, or cable plows.
- Fill and tamp holes, using cement, earth, and tamping devices.
- Dig holes for power poles, using power augers or shovels, set poles in place with cranes, and hoist poles upright, using winches.
- Place insulation over conductors, or seal splices with moisture-proof covering.
- Participate in the construction or removal of telecommunication towers or associated support structures.
- Cut, miter, and glue piping insulation to insulate plumbing pipes and fittings.
- Install monitoring system components, such as flow meters, temperature gauges, and pressure gauges, according to system design and manufacturer specifications.
- Test operation or functionality of mechanical, plumbing, electrical, and control systems.
- Apply weather seal, such as pipe flashings and sealants, to roof penetrations and structural devices.
- Install solar collector mounting devices on tile, asphalt, shingle, or built-up gravel roofs, using appropriate materials and penetration methods.
- Install copper or plastic plumbing using pipes, fittings, pipe cutters, acetylene torches, solder, wire brushes, sand cloths, flux, plastic pipe cleaners, or plastic glue.
- Identify plumbing, electrical, environmental, or safety hazards associated with solar thermal installations.
- Demonstrate start-up, shut-down, maintenance, diagnostic, and safety procedures to thermal system owners.
- Install circulating pumps using pipe, fittings, soldering equipment, electrical supplies, and hand tools.
- Install flat-plat, evacuated glass, or concentrating solar collectors on mounting devices, using brackets or struts.
- Install solar thermal system controllers and sensors.
- Fill water tanks and check tanks, pipes, and fittings for leaks.
- Design active direct or indirect, passive direct or indirect, or pool solar systems.
- Determine locations for installing solar subsystem components, including piping, water heaters, valves, and ancillary equipment.
- Perform routine maintenance or repairs to restore solar thermal systems to baseline operating conditions.
- Install heat exchangers and heat exchanger fluids according to installation manuals and schematics.
- Apply operation or identification tags or labels to system components, as required.
- Connect water heaters and storage tanks to power and water sources.
- Install plumbing, such as dip tubes, port fittings, drain tank valves, pressure temperature relief valves, or tanks, according to manufacturer specifications and building codes.
- Assess collector sites to ensure structural integrity of potential mounting surfaces or the best orientation and tilt for solar collectors.
- Apply ultraviolet radiation protection to prevent degradation of plumbing.
- Cut, miter, and glue piping insulation to insulate plumbing pipes and fittings.
- Install monitoring system components, such as flow meters, temperature gauges, and pressure gauges, according to system design and manufacturer specifications.
