- Dump, spread, and tamp asphalt, using pneumatic tampers, to repair joints and patch broken pavement.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 4 | 10 | 1 | 47-2051.00 | Cement Masons and Concrete Finishers |
| 4 | 8 | 2 | 47-2053.00 | Terrazzo Workers and Finishers |
| 4 | 6 | 2 | 47-4091.00 | Segmental Pavers |
| 2 | 6 | 2 | 47-2044.00 | Tile and Stone Setters 
|
| 2 | 4 | 2 | 47-2061.00 | Construction Laborers
|
| 2 | 3 | 2 | 47-2071.00 | Paving, Surfacing, and Tamping Equipment Operators |
| 2 | 2 | 2 | 47-4061.00 | Rail-Track Laying and Maintenance Equipment Operators |
| 1 | 4 | 2 | 47-2151.00 | Pipelayers |
| 1 | 4 | 2 | 47-3012.00 | Helpers--Carpenters |
| 1 | 4 | 2 | 47-2181.00 | Roofers |
| 1 | 3 | 1 | 47-3014.00 | Helpers--Painters, Paperhangers, Plasterers, and Stucco Masons |
| 1 | 3 | 1 | 47-5071.00 | Roustabouts, Oil and Gas |
| 1 | 3 | 2 | 49-9052.00 | Telecommunications Line Installers and Repairers
|
| 1 | 2 | 3 | 47-2022.00 | Stonemasons |
| 1 | 2 | 2 | 47-4031.00 | Fence Erectors |
| 1 | 2 | 3 | 47-2152.04 | Solar Thermal Installers and Technicians |
| 1 | 2 | 1 | 47-4071.00 | Septic Tank Servicers and Sewer Pipe Cleaners
|
| 1 | 2 | 2 | 49-9099.01 | Geothermal Technicians |
| 1 | 2 | 2 | 47-2073.00 | Operating Engineers and Other Construction Equipment Operators |
| 1 | 1 | 3 | 47-4041.00 | Hazardous Materials Removal Workers |
| 1 | 1 | 2 | 47-5012.00 | Rotary Drill Operators, Oil and Gas |
| 1 | 1 | 2 | 47-5023.00 | Earth Drillers, Except Oil and Gas |
| 1 | 1 | 2 | 47-5032.00 | Explosives Workers, Ordnance Handling Experts, and Blasters |
- Spread, level, and smooth concrete, using rake, shovel, hand or power trowel, hand or power screed, and float.
- Signal truck driver to position truck to facilitate pouring concrete, and move chute to direct concrete on forms.
- Operate power vibrator to compact concrete.
- Spread roofing paper on surface of foundation, and spread concrete onto roofing paper with trowel to form terrazzo base.
- Mold expansion joints and edges, using edging tools, jointers, and straightedge.
- Produce rough concrete surface, using broom.
- Apply hardening and sealing compounds to cure surface of concrete, and waterproof or restore surface.
- Install anchor bolts, steel plates, door sills and other fixtures in freshly poured concrete or pattern or stamp the surface to provide a decorative finish.
- Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth, using trowel.
- Wet concrete surface, and rub with stone to smooth surface and obtain specified finish.
- Check the forms that hold the concrete to see that they are properly constructed.
- Set the forms that hold concrete to the desired pitch and depth, and align them.
- Monitor how the wind, heat, or cold affect the curing of the concrete throughout the entire process.
- Direct the casting of the concrete and supervise laborers who use shovels or special tools to spread it.
- Waterproof or restore concrete surfaces, using appropriate compounds.
- Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.
- Chip, scrape, and grind high spots, ridges, and rough projections to finish concrete, using pneumatic chisels, power grinders, or hand tools.
- Cut out damaged areas, drill holes for reinforcing rods, and position reinforcing rods to repair concrete, using power saw and drill.
- Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.
- Build wooden molds, and clamp molds around area to be repaired, using hand tools.
- Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.
- Fabricate concrete beams, columns, and panels.
- Polish surface, using polishing or surfacing machine.
- Cut metal division strips, and press them into terrazzo base so that top edges form desired design or pattern.
- Push roller over surface to embed chips in surface.
- Apply muriatic acid to clean surface, and rinse with water.
- Spread, level, and smooth concrete, using rake, shovel, hand or power trowel, hand or power screed, and float.
- Signal truck driver to position truck to facilitate pouring concrete, and move chute to direct concrete on forms.
- Operate power vibrator to compact concrete.
- Spread roofing paper on surface of foundation, and spread concrete onto roofing paper with trowel to form terrazzo base.
- Mold expansion joints and edges, using edging tools, jointers, and straightedge.
- Produce rough concrete surface, using broom.
- Apply hardening and sealing compounds to cure surface of concrete, and waterproof or restore surface.
- Install anchor bolts, steel plates, door sills and other fixtures in freshly poured concrete or pattern or stamp the surface to provide a decorative finish.
- Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth, using trowel.
- Wet concrete surface, and rub with stone to smooth surface and obtain specified finish.
- Spread, level, or smooth concrete or terrazzo mixtures to form bases or finished surfaces, using rakes, shovels, hand or power trowels, hand or power screeds, or floats.
- Precast terrazzo blocks in wooden forms.
- Spread roofing paper on surface of foundation and spread concrete onto roofing paper with trowel to form terrazzo base.
- Signal truck driver to position truck to facilitate pouring concrete and move chute to direct concrete on forms.
- Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth with a trowel.
- Mold expansion joints and edges, using edging tools, jointers, or straightedges.
- Wet concrete surface and rub with stone to smooth surface and obtain specified finish.
- Produce rough concrete surface, using broom.
- Measure designated amounts of ingredients for terrazzo or grout, according to standard formulas and specifications, using graduated containers and scales, and load ingredients into portable mixer.
- Grind surfaces with a power grinder, or polish surfaces with polishing or surfacing machines.
- Cut metal division strips and press them into the terrazzo base for joints or changes of color to form designs or patterns or to help prevent cracks.
- Blend marble chip mixtures, place into panels, and push a roller over the surface to embed the chips.
- Modify mixing, grouting, grinding, or cleaning procedures, according to type of installation or material used.
- Grind curved surfaces or areas inaccessible to surfacing machine, such as stairways or cabinet tops, with portable hand grinder.
- Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.
- Position and secure moisture membrane and wire mesh in preparation for pouring base materials for terrazzo installation.
- Fill slight grinding depressions with matching grout material and hand-trowel for a smooth, uniform surface.
- Clean installation site, mixing and storage areas, tools, machines, and equipment, and store materials and equipment.
- Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.
- Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.
- Chip, scrape, or grind high spots, ridges, or rough projections to finish concrete, using pneumatic chisel, hand chisel, or other hand tools.
- Move terrazzo installation materials, tools, machines, or work devices to work areas, manually or using wheelbarrow.
- Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.
- Repair concrete by cutting out damaged areas, drilling holes for reinforcing rods, and positioning reinforcing rods, using power saw and drill.
- Build wooden molds, clamping molds around areas to be repaired, or setting up frames to the proper depth and alignment.
- Remove frames when the foundation is dry.
- Spread, level, or smooth concrete or terrazzo mixtures to form bases or finished surfaces, using rakes, shovels, hand or power trowels, hand or power screeds, or floats.
- Precast terrazzo blocks in wooden forms.
- Spread roofing paper on surface of foundation and spread concrete onto roofing paper with trowel to form terrazzo base.
- Signal truck driver to position truck to facilitate pouring concrete and move chute to direct concrete on forms.
- Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth with a trowel.
- Mold expansion joints and edges, using edging tools, jointers, or straightedges.
- Wet concrete surface and rub with stone to smooth surface and obtain specified finish.
- Produce rough concrete surface, using broom.
- Prepare base for installation by removing unstable or unsuitable materials, compacting and grading the soil, draining or stabilizing weak or saturated soils and taking measures to prevent water penetration and migration of bedding sand.
- Sweep sand into the joints and compact pavement until the joints are full.
- Screed sand level to an even thickness, and recheck sand exposed to elements, raking and rescreeding if necessary.
- Compact bedding sand and pavers to finish the paved area, using a plate compactor.
- Supply and place base materials, edge restraints, bedding sand and jointing sand.
- Cement the edges of the paved area.
- Discuss the design with the client.
- Set pavers, aligning and spacing them correctly.
- Cut paving stones to size and for edges, using a splitter and a masonry saw.
- Design paver installation layout pattern and create markings for directional references of joints and stringlines.
- Sweep sand from the surface prior to opening to traffic.
- Resurface an outside area with cobblestones, terracotta tiles, concrete or other materials.
- Prepare base for installation by removing unstable or unsuitable materials, compacting and grading the soil, draining or stabilizing weak or saturated soils and taking measures to prevent water penetration and migration of bedding sand.
- Sweep sand into the joints and compact pavement until the joints are full.
- Screed sand level to an even thickness, and recheck sand exposed to elements, raking and rescreeding if necessary.
- Compact bedding sand and pavers to finish the paved area, using a plate compactor.
- Supply and place base materials, edge restraints, bedding sand and jointing sand.
- Cement the edges of the paved area.
- Mix, apply, and spread plaster, concrete, mortar, cement, mastic, glue or other adhesives to form a bed for the tiles, using brush, trowel and screed.
- Level concrete and allow to dry.
- Apply mortar to tile back, position the tile, and press or tap with trowel handle to affix tile to base.
- Prepare surfaces for tiling by attaching lath or waterproof paper, or by applying a cement mortar coat to a metal screen.
- Spread mastic or other adhesive base on roof deck to form base for promenade tile, using serrated spreader.
- Brush glue onto manila paper on which design has been drawn and position tiles, finished side down, onto paper.
- Align and straighten tile using levels, squares, and straightedges.
- Finish and dress the joints and wipe excess grout from between tiles, using damp sponge.
- Cut and shape tile to fit around obstacles and into odd spaces and corners, using hand and power cutting tools.
- Determine and implement the best layout to achieve a desired pattern.
- Study blueprints and examine surface to be covered to determine amount of material needed.
- Measure and mark surfaces to be tiled, following blueprints.
- Lay and set mosaic tiles to create decorative wall, mural, and floor designs.
- Mix and apply mortar or cement to edges and ends of drain tiles to seal halves and joints.
- Apply a sealer to make grout stain- and water-resistant.
- Measure and cut metal lath to size for walls and ceilings, using tin snips.
- Install and anchor fixtures in designated positions, using hand tools.
- Remove and replace cracked or damaged tile.
- Cut tile backing to required size, using shears.
- Remove any old tile, grout and adhesive using chisels and scrapers and clean the surface carefully.
- Cut, surface, polish, and install marble and granite or install pre-cast terrazzo, granite or marble units.
- Assist customers in selection of tile and grout.
- Prepare cost and labor estimates, based on calculations of time and materials needed for project.
- Select and order tile and other items to be installed, such as bathroom accessories, walls, panels, and cabinets, according to specifications.
- Build underbeds and install anchor bolts, wires, and brackets.
- Mix, apply, and spread plaster, concrete, mortar, cement, mastic, glue or other adhesives to form a bed for the tiles, using brush, trowel and screed.
- Level concrete and allow to dry.
- Apply mortar to tile back, position the tile, and press or tap with trowel handle to affix tile to base.
- Prepare surfaces for tiling by attaching lath or waterproof paper, or by applying a cement mortar coat to a metal screen.
- Spread mastic or other adhesive base on roof deck to form base for promenade tile, using serrated spreader.
- Brush glue onto manila paper on which design has been drawn and position tiles, finished side down, onto paper.
- Dig ditches or trenches, backfill excavations, or compact and level earth to grade specifications, using picks, shovels, pneumatic tampers, or rakes.
- Mix, pour, or spread concrete, using portable cement mixers.
- 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.
- 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.
- 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.
- 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.
- 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.
- Erect or dismantle scaffolding, shoring, braces, traffic barricades, ramps, or other temporary structures.
- Perform building weatherization tasks, such as repairing windows, adding insulation, or applying weather-stripping materials.
- Apply weather-stripping to reduce energy loss.
- 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.
- Place, consolidate, or protect case-in-place concrete or masonry structures.
- Mix ingredients to create compounds for covering or cleaning surfaces.
- 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 construction laborer duties at green building sites, such as renewable energy plants or wind turbine installations.
- Dig ditches or trenches, backfill excavations, or compact and level earth to grade specifications, using picks, shovels, pneumatic tampers, or rakes.
- Mix, pour, or spread concrete, using portable cement mixers.
- 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.
- Operate machines to spread, smooth, level, or steel-reinforce stone, concrete, or asphalt on road beds.
- Operate tamping machines or manually roll surfaces to compact earth fills, foundation forms, and finished road materials, according to grade specifications.
- Start machine, engage clutch, and push and move levers to guide machine along forms or guidelines and to control the operation of machine attachments.
- Fill tanks, hoppers, or machines with paving materials.
- Control paving machines to push dump trucks and to maintain a constant flow of asphalt or other material into hoppers or screeds.
- Observe distribution of paving material to adjust machine settings or material flow, and indicate low spots for workers to add material.
- Coordinate truck dumping.
- Drive machines onto truck trailers, and drive trucks to transport machines and material to and from job sites.
- Inspect, clean, maintain, and repair equipment, using mechanics' hand tools, or report malfunctions to supervisors.
- Set up and tear down equipment.
- Light burners or start heating units of machines, and regulate screed temperatures and asphalt flow rates.
- Control traffic.
- Operate oil distributors, loaders, chip spreaders, dump trucks, and snow plows.
- Place strips of material, such as cork, asphalt, or steel into joints, or place rolls of expansion-joint material on machines that automatically insert material.
- Drive and operate curbing machines to extrude concrete or asphalt curbing.
- Operate machines that clean or cut expansion joints in concrete or asphalt and that rout out cracks in pavement.
- Cut or break up pavement and drive guardrail posts, using machines equipped with interchangeable hammers.
- Install dies, cutters, and extensions to screeds onto machines, using hand tools.
- Set up forms and lay out guidelines for curbs, according to written specifications, using string, spray paint, and concrete or water mixes.
- Operate machines to spread, smooth, level, or steel-reinforce stone, concrete, or asphalt on road beds.
- Operate tamping machines or manually roll surfaces to compact earth fills, foundation forms, and finished road materials, according to grade specifications.
- Shovel blacktop.
- Clean, grade, or level ballast on railroad tracks.
- Drive graders, tamping machines, brooms, or ballast spreading machines to redistribute gravel or ballast between rails.
- Patrol assigned track sections so that damaged or broken track can be located and reported.
- Repair or adjust track switches, using wrenches and replacement parts.
- Weld sections of track together, such as switch points and frogs.
- Observe leveling indicator arms to verify levelness and alignment of tracks.
- Operate single- or multiple-head spike driving machines to drive spikes into ties and secure rails.
- Operate track wrenches to tighten or loosen bolts at joints that hold ends of rails together.
- Cut rails to specified lengths, using rail saws.
- Lubricate machines, change oil, or fill hydraulic reservoirs to specified levels.
- Drill holes through rails, tie plates, or fishplates for insertion of bolts or spikes, using power drills.
- Clean tracks or clear ice or snow from tracks or switch boxes.
- Raise rails, using hydraulic jacks, to allow for tie removal and replacement.
- Adjust controls of machines that spread, shape, raise, level, or align track, according to specifications.
- Dress and reshape worn or damaged railroad switch points or frogs, using portable power grinders.
- Clean or make minor repairs to machines or equipment.
- Grind ends of new or worn rails to attain smooth joints, using portable grinders.
- Operate single- or multiple-head spike pullers to pull old spikes from ties.
- String and attach wire-guidelines machine to rails so that tracks or rails can be aligned or leveled.
- Engage mechanisms that lay tracks or rails to specified gauges.
- Drive vehicles that automatically move and lay tracks or rails over sections of track to be constructed, repaired, or maintained.
- Turn wheels of machines, using lever controls, to adjust guidelines for track alignments or grades, following specifications.
- Push controls to close grasping devices on track or rail sections so that they can be raised or moved.
- Operate tie-adzing machines to cut ties and permit insertion of fishplates that hold rails.
- Paint railroad signs, such as speed limits or gate-crossing warnings.
- Spray ties, fishplates, or joints with oil to protect them from weathering.
- Clean, grade, or level ballast on railroad tracks.
- Drive graders, tamping machines, brooms, or ballast spreading machines to redistribute gravel or ballast between rails.
- Grade or level trench bases, using tamping machines or hand tools.
- Connect pipe pieces and seal joints, using welding equipment, cement, or glue.
- Cover pipes with earth or other materials.
- Dig trenches to desired or required depths, by hand or using trenching tools.
- Install or use instruments such as lasers, grade rods, or transit levels.
- Cut pipes to required lengths.
- Install or repair sanitary or stormwater sewer structures or pipe systems.
- Align and position pipes to prepare them for welding or sealing.
- Check slopes for conformance to requirements, using levels or lasers.
- Lay out pipe routes, following written instructions or blueprints and coordinating layouts with supervisors.
- Operate mechanized equipment, such as pickup trucks, rollers, tandem dump trucks, front-end loaders, or backhoes.
- Tap and drill holes into pipes to introduce auxiliary lines or devices.
- Locate existing pipes needing repair or replacement, using magnetic or radio indicators.
- Train or supervise others in laying pipe.
- Grade or level trench bases, using tamping machines or hand tools.
- Connect pipe pieces and seal joints, using welding equipment, cement, or glue.
- Cover pipes with earth or other materials.
- Dig trenches to desired or required depths, by hand or using trenching tools.
- Secure stakes to grids for constructions of footings, nail scabs to footing forms, and vibrate and float concrete.
- Construct forms and assist in raising them to the required elevation.
- Glue and clamp edges or joints of assembled parts.
- Cut tile or linoleum to fit and spread adhesives on flooring for installation.
- Clean work areas, machines, or equipment, to maintain a clean and safe job site.
- Fasten timbers or lumber with glue, screws, pegs, or nails and install hardware.
- 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.
- Erect scaffolding, shoring, or braces.
- Install handrails under the direction of a carpenter.
- Smooth or sand surfaces to remove ridges, tool marks, glue, or caulking.
- Cut and install insulating or sound-absorbing material.
- Cover surfaces with laminated plastic covering material.
- Secure stakes to grids for constructions of footings, nail scabs to footing forms, and vibrate and float concrete.
- Construct forms and assist in raising them to the required elevation.
- Glue and clamp edges or joints of assembled parts.
- Cut tile or linoleum to fit and spread adhesives on flooring for installation.
- Mop or pour hot asphalt or tar onto roof bases.
- Cement or nail flashing strips of metal or shingle over joints to make them watertight.
- Glaze top layers to make a smooth finish or embed gravel in the bitumen for rough surfaces.
- Apply gravel or pebbles over top layers of roofs, using rakes or stiff-bristled brooms.
- Inspect problem roofs to determine the best repair procedures.
- Remove snow, water, or debris from roofs prior to applying roofing materials.
- Set up scaffolding to provide safe access to roofs.
- Estimate materials and labor required to complete roofing jobs.
- Install partially overlapping layers of material over roof insulation surfaces, using chalk lines, gauges on shingling hatchets, or lines on shingles.
- Cut felt, shingles, or strips of flashing to fit angles formed by walls, vents, or intersecting roof surfaces.
- 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.
- 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.
- 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 vapor barriers or layers of insulation on flat roofs.
- 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.
- 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.
- 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.
- 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.
- Mop or pour hot asphalt or tar onto roof bases.
- Cement or nail flashing strips of metal or shingle over joints to make them watertight.
- Glaze top layers to make a smooth finish or embed gravel in the bitumen for rough surfaces.
- Apply gravel or pebbles over top layers of roofs, using rakes or stiff-bristled brooms.
- Pour specified amounts of chemical solutions into stripping tanks.
- Perform support duties to assist painters, paperhangers, plasterers, or masons.
- Supply or hold tools and materials.
- Clean work areas and equipment.
- Apply protective coverings, such as masking tape, to articles or areas that could be damaged or stained by work processes.
- Erect scaffolding.
- Fill cracks or breaks in surfaces of plaster articles or areas with putty or epoxy compounds.
- Smooth surfaces of articles to be painted, using sanding and buffing tools and equipment.
- Mix plaster, and carry plaster to plasterers.
- Place articles to be stripped into stripping tanks.
- Remove articles such as cabinets, metal furniture, and paint containers from stripping tanks after prescribed periods of time.
- Pour specified amounts of chemical solutions into stripping tanks.
- Perform support duties to assist painters, paperhangers, plasterers, or masons.
- Supply or hold tools and materials.
- Dig holes, set forms, and mix and pour concrete into forms to make foundations for wood or steel derricks.
- Supply equipment to rig floors as requested and provide assistance to roughnecks.
- Dig drainage ditches around wells and storage tanks.
- Unscrew or tighten pipes, casing, tubing, and pump rods, using hand and power wrenches and tongs.
- Dismantle and repair oil field machinery, boilers, and steam engine parts, using hand tools and power tools.
- Guide cranes to move loads about decks.
- Walk flow lines to locate leaks, using electronic detectors and by making visual inspections, and repair the leaks.
- Lay gas and oil pipelines.
- Bolt together pump and engine parts.
- Move pipes to and from trucks, using truck winches and motorized lifts, or by hand.
- Clean trucks used in the fields.
- Bolt or nail together wood or steel framework to erect derricks.
- Clean up spilled oil by bailing it into barrels.
- Keep pipe deck and main deck areas clean and tidy.
- Cut down and remove trees and brush to clear drill sites, to reduce fire hazards, and to make way for roads to sites.
- Dig holes, set forms, and mix and pour concrete into forms to make foundations for wood or steel derricks.
- Supply equipment to rig floors as requested and provide assistance to roughnecks.
- Dig drainage ditches around wells and storage tanks.
- Fill and tamp holes, using cement, earth, and tamping devices.
- Dig trenches for underground wires or cables.
- Dig holes for power poles, using power augers or shovels, set poles in place with cranes, and hoist poles upright, using winches.
- 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.
- Explain cable service to subscribers after installation, and collect any installation fees due.
- Place insulation over conductors, or seal splices with moisture-proof covering.
- 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.
- Participate in the construction or removal of telecommunication towers or associated support structures.
- Fill and tamp holes, using cement, earth, and tamping devices.
- Dig trenches for underground wires or cables.
- Dig holes for power poles, using power augers or shovels, set poles in place with cranes, and hoist poles upright, using winches.
- Mix mortar or grout and pour or spread mortar or grout on marble slabs, stone, or foundation.
- Dig trench for foundation of monument, using pick and shovel.
- Lay out wall patterns or foundations, using straight edge, rule, or staked lines.
- Shape, trim, face and cut marble or stone preparatory to setting, using power saws, cutting equipment, and hand tools.
- Set vertical and horizontal alignment of structures, using plumb bob, gauge line, and level.
- Remove wedges, fill joints between stones, finish joints between stones, using a trowel, and smooth the mortar to an attractive finish, using a tuck pointer.
- Set stone or marble in place, according to layout or pattern.
- Clean excess mortar or grout from surface of marble, stone, or monument, using sponge, brush, water, or acid.
- Lay brick to build shells of chimneys and smokestacks or to line or reline industrial furnaces, kilns, boilers and similar installations.
- Replace broken or missing masonry units in walls or floors.
- Smooth, polish, and bevel surfaces, using hand tools and power tools.
- Drill holes in marble or ornamental stone and anchor brackets in holes.
- Repair cracked or chipped areas of stone or marble, using blowtorch and mastic, and remove rough or defective spots from concrete, using power grinder or chisel and hammer.
- Remove sections of monument from truck bed, and guide stone onto foundation, using skids, hoist, or truck crane.
- Construct and install prefabricated masonry units.
- Position mold along guidelines of wall, press mold in place, and remove mold and paper from wall.
- Line interiors of molds with treated paper and fill molds with composition-stone mixture.
- Mix mortar or grout and pour or spread mortar or grout on marble slabs, stone, or foundation.
- Dig trench for foundation of monument, using pick and shovel.
- Mix and pour concrete around bases of posts, or tamp soil into postholes to embed posts.
- Dig postholes, using spades, posthole diggers, or power-driven augers.
- Establish the location for a fence, and gather information needed to ensure that there are no electric cables or water lines in the area.
- Set metal or wooden posts in upright positions in postholes.
- Measure and lay out fence lines and mark posthole positions, following instructions, drawings, or specifications.
- Align posts, by lines or sighting, and verify vertical alignment of posts, using plumb bobs or spirit levels.
- Attach rails or tension wire along bottoms of posts to form fencing frames.
- Attach fence rail supports to posts, using hammers and pliers.
- Assemble gates, and fasten gates into position, using hand tools.
- Make rails for fences, by sawing lumber or by cutting metal tubing to required lengths.
- Nail top and bottom rails to fence posts, or insert them in slots on posts.
- Discuss fencing needs with customers, and estimate and quote prices.
- Stretch wire, wire mesh, or chain link fencing between posts, and attach fencing to frames.
- Complete top fence rails of metal fences by connecting tube sections, using metal sleeves.
- Erect alternate panel, basket weave, and louvered fences.
- Insert metal tubing through rail supports.
- Nail pointed slats to rails to construct picket fences.
- Construct and repair barriers, retaining walls, trellises, and other types of fences, walls, and gates.
- Weld metal parts together, using portable gas welding equipment.
- Blast rock formations and rocky areas with dynamite to facilitate posthole digging.
- Mix and pour concrete around bases of posts, or tamp soil into postholes to embed posts.
- Dig postholes, using spades, posthole diggers, or power-driven augers.
- Fill water tanks and check tanks, pipes, and fittings for leaks.
- Cut, miter, and glue piping insulation to insulate plumbing pipes and fittings.
- 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.
- 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.
- Install monitoring system components, such as flow meters, temperature gauges, and pressure gauges, according to system design and manufacturer specifications.
- 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.
- Fill water tanks and check tanks, pipes, and fittings for leaks.
- Cut, miter, and glue piping insulation to insulate plumbing pipes and fittings.
- Cover repaired pipes with dirt, and pack backfilled excavations, using air and gasoline tampers.
- Dig out sewer lines manually, using shovels.
- Communicate with supervisors and other workers, using equipment such as wireless phones, pagers, or radio telephones.
- Drive trucks to transport crews, materials, and equipment.
- Inspect manholes to locate sewer line stoppages.
- Operate sewer cleaning equipment, including power rodders, high-velocity water jets, sewer flushers, bucket machines, wayne balls, and vac-alls.
- Prepare and keep records of actions taken, including maintenance and repair work.
- Clean and repair septic tanks, sewer lines, or related structures such as manholes, culverts, and catch basins.
- Measure excavation sites, using plumbers' snakes, tapelines, or lengths of cutting heads within sewers, and mark areas for digging.
- Service, adjust, and make minor repairs to equipment, machines, and attachments.
- Locate problems, using specially designed equipment, and mark where digging must occur to reach damaged tanks or pipes.
- Clean and disinfect domestic basements and other areas flooded by sewer stoppages.
- Withdraw cables from pipes and examine them for evidence of mud, roots, grease, and other deposits indicating broken or clogged sewer lines.
- Ensure that repaired sewer line joints are tightly sealed before backfilling begins.
- Rotate cleaning rods manually, using turning pins.
- Install rotary knives on flexible cables mounted on machine reels, according to the diameters of pipes to be cleaned.
- Start machines to feed revolving cables or rods into openings, stopping machines and changing knives to conform to pipe sizes.
- Update sewer maps and manhole charts.
- Cut damaged sections of pipe with cutters, remove broken sections from ditches, and replace pipe sections, using pipe sleeves.
- Requisition or order tools and equipment.
- Break asphalt and other pavement so that pipes can be accessed, using airhammers, picks, and shovels.
- Tap mainline sewers to install sewer saddles.
- Cover repaired pipes with dirt, and pack backfilled excavations, using air and gasoline tampers.
- Dig out sewer lines manually, using shovels.
- Backfill piping trenches to protect pipes from damage.
- Dig trenches for system piping to appropriate depths and lay piping in trenches.
- Monitor and adjust operations of geothermal power plant equipment or systems.
- Prepare and maintain logs, reports, or other documentation of work performed.
- Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.
- Collect and record data associated with operating geothermal power plants or well fields.
- Determine whether emergency or auxiliary systems will be needed to keep properties heated or cooled in extreme weather conditions.
- Perform pre- and post-installation pressure, flow, and related tests of vertical and horizontal geothermal loop piping.
- Identify equipment options, such as compressors, and make appropriate selections.
- Adjust power production systems to meet load and distribution demands.
- Maintain electrical switchgear, process controls, transmitters, gauges, and control equipment in accordance with geothermal plant procedures.
- Calculate heat loss and heat gain factors for residential properties to determine heating and cooling required by installed geothermal systems.
- Maintain, calibrate, or repair plant instrumentation, control, and electronic devices in geothermal plants.
- Install and maintain geothermal plant electrical protection equipment.
- Design and lay out geothermal heat systems according to property characteristics, heating and cooling requirements, piping and equipment requirements, applicable regulations, or other factors.
- Install and maintain geothermal system instrumentation or controls.
- Prepare newly installed geothermal heat systems for operation by flushing, purging, or other actions.
- Weld piping, such as high density polyethylene (HDPE) piping, using techniques such as butt, socket, side-wall, and electro-fusion welding.
- Test water sources for factors, such as flow volume and contaminant presence.
- Install, maintain, or repair ground or water source-coupled heat pumps to heat and cool residential or commercial building air or water.
- Integrate hot water heater systems with geothermal heat exchange systems.
- Determine the type of geothermal loop system most suitable to a specific property and its heating and cooling needs.
- Apply coatings or operate systems to mitigate corrosion of geothermal plant equipment or structures.
- Operate equipment, such as excavators, backhoes, rock hammers, trench compactors, pavement saws, grout mixers or pumps, geothermal loop reels, and coil tubing units (CTU).
- Backfill piping trenches to protect pipes from damage.
- Dig trenches for system piping to appropriate depths and lay piping in trenches.
- Operate compactors, scrapers, or rollers to level, compact, or cover refuse at disposal grounds.
- Push other equipment when extra traction or assistance is required.
- Learn and follow safety regulations.
- Take actions to avoid potential hazards or obstructions, such as utility lines, other equipment, other workers, or falling objects.
- Start engines, move throttles, switches, or levers, or depress pedals to operate machines, such as bulldozers, trench excavators, road graders, or backhoes.
- Coordinate machine actions with other activities, positioning or moving loads in response to hand or audio signals from crew members.
- Align machines, cutterheads, or depth gauge makers with reference stakes and guidelines or ground or position equipment, following hand signals of other workers.
- Locate underground services, such as pipes or wires, prior to beginning work.
- Signal operators to guide movement of tractor-drawn machines.
- Repair and maintain equipment, making emergency adjustments or assisting with major repairs as necessary.
- Load and move dirt, rocks, equipment, or other materials, using trucks, crawler tractors, power cranes, shovels, graders, or related equipment.
- Drive and maneuver equipment equipped with blades in successive passes over working areas to remove topsoil, vegetation, or rocks or to distribute and level earth or terrain.
- Operate tractors or bulldozers to perform such tasks as clearing land, mixing sludge, trimming backfills, or building roadways or parking lots.
- Monitor operations to ensure that health and safety standards are met.
- Connect hydraulic hoses, belts, mechanical linkages, or power takeoff shafts to tractors.
- Select and fasten bulldozer blades or other attachments to tractors, using hitches.
- Operate loaders to pull out stumps, rip asphalt or concrete, rough-grade properties, bury refuse, or perform general cleanup.
- Operate equipment to demolish or remove debris or to remove snow from streets, roads, or parking lots.
- Keep records of material or equipment usage or problems encountered.
- Adjust handwheels and depress pedals to control attachments, such as blades, buckets, scrapers, or swing booms.
- Check fuel supplies at sites to ensure adequate availability.
- Perform specialized work, using equipment, such as pile drivers, dredging rigs, drillers, or concrete pumpers.
- Talk to clients and study instructions, plans, or diagrams to establish work requirements.
- Drive tractor-trailer trucks to move equipment from site to site.
- Operate road watering, oiling, or rolling equipment, or street sealing equipment, such as chip spreaders.
- Test atmosphere for adequate oxygen or explosive conditions when working in confined spaces.
- Compile cost estimates for jobs.
- Turn valves to control air or water output of compressors or pumps.
- Operate compactors, scrapers, or rollers to level, compact, or cover refuse at disposal grounds.
- Push other equipment when extra traction or assistance is required.
- Mix or pour concrete into forms to encase waste material for disposal.
- Build containment areas prior to beginning abatement or decontamination work.
- Remove asbestos or lead from surfaces, using hand or power tools such as scrapers, vacuums, or high-pressure sprayers.
- Identify asbestos, lead, or other hazardous materials to be removed, using monitoring devices.
- Prepare hazardous material for removal or storage.
- Comply with prescribed safety procedures or federal laws regulating waste disposal methods.
- Load or unload materials into containers or onto trucks, using hoists or forklifts.
- Clean contaminated equipment or areas for reuse, using detergents or solvents, sandblasters, filter pumps, or steam cleaners.
- Remove or limit contamination following emergencies involving hazardous substances.
- Clean mold-contaminated sites by removing damaged porous materials or thoroughly cleaning all contaminated nonporous materials.
- Operate machines or equipment to remove, package, store, or transport loads of waste materials.
- Record numbers of containers stored at disposal sites, specifying amounts or types of equipment or waste disposed.
- Sort specialized hazardous waste at landfills or disposal centers, following proper disposal procedures.
- Operate cranes to move or load baskets, casks, or canisters.
- Drive trucks or other heavy equipment to convey contaminated waste to designated sea or ground locations.
- Identify or separate waste products or materials for recycling or reuse.
- Upload baskets of irradiated elements onto machines that insert fuel elements into canisters and secure lids.
- Process e-waste, such as computer components containing lead or mercury.
- Organize or track the locations of hazardous items in landfills.
- Apply bioremediation techniques to hazardous wastes to allow naturally occurring bacteria to break down toxic substances.
- Package, store, or move irradiated fuel elements in the underwater storage basins of nuclear reactor plants, using machines or equipment.
- Mix or pour concrete into forms to encase waste material for disposal.
- Dig holes, set forms, and mix and pour concrete, for foundations of steel or wooden derricks.
- Train crews, and introduce procedures to make drill work more safe and effective.
- Observe pressure gauge and move throttles and levers to control the speed of rotary tables, and to regulate pressure of tools at bottoms of boreholes.
- Count sections of drill rod to determine depths of boreholes.
- Push levers and brake pedals to control gasoline, diesel, electric, or steam draw works that lower and raise drill pipes and casings in and out of wells.
- Connect sections of drill pipe, using hand tools and powered wrenches and tongs.
- Maintain records of footage drilled, location and nature of strata penetrated, materials and tools used, services rendered, and time required.
- Maintain and adjust machinery to ensure proper performance.
- Start and examine operation of slush pumps to ensure circulation and consistency of drilling fluid or mud in well.
- Locate and recover lost or broken bits, casings, and drill pipes from wells, using special tools.
- Weigh clay, and mix with water and chemicals to make drilling mud.
- Direct rig crews in drilling and other activities, such as setting up rigs and completing or servicing wells.
- Monitor progress of drilling operations, and select and change drill bits according to the nature of strata, using hand tools.
- Repair or replace defective parts of machinery, such as rotary drill rigs, water trucks, air compressors, and pumps, using hand tools.
- Clean and oil pulleys, blocks, and cables.
- Bolt together pump and engine parts, and connect tanks and flow lines.
- Remove core samples during drilling to determine the nature of the strata being drilled.
- Cap wells with packers, or turn valves, to regulate outflow of oil from wells.
- Line drilled holes with pipes, and install all necessary hardware, to prepare new wells.
- Position and prepare truck-mounted derricks at drilling areas specified on field maps.
- Plug observation wells, and restore sites.
- Lower and explode charges in boreholes to start flow of oil from wells.
- Dig holes, set forms, and mix and pour concrete, for foundations of steel or wooden derricks.
- Pour water into wells, or pump water or slush into wells to cool drill bits and to remove drillings.
- Operate controls to stabilize machines and to position and align drills.
- Start, stop, and control drilling speed of machines and insertion of casings into holes.
- Regulate air pressure, rotary speed, and downward pressure, according to the type of rock or concrete being drilled.
- Select and attach drill bits and drill rods, adding more rods as hole depths increase, and changing drill bits as needed.
- Drive or guide truck-mounted equipment into position, level and stabilize rigs, and extend telescoping derricks.
- Operate machines to flush earth cuttings or to blow dust from holes.
- Verify depths and alignments of boring positions.
- Perform routine maintenance and upgrade work on machines and equipment, such as replacing parts, building up drill bits, and lubricating machinery.
- Select the appropriate drill for the job, using knowledge of rock or soil conditions.
- Document geological formations encountered during work.
- Drive trucks, tractors, or truck-mounted drills to and from work sites.
- Assemble and position machines, augers, casing pipes, and other equipment, using hand and power tools.
- Record drilling progress and geological data.
- Retrieve lost equipment from bore holes, using retrieval tools and equipment.
- Fabricate well casings.
- Create and lay out designs for drill and blast patterns.
- Place and install screens, casings, pumps, and other well fixtures to develop wells.
- Operate water-well drilling rigs and other equipment to drill, bore, and dig for water wells or for environmental assessment purposes.
- Review client requirements and proposed locations for drilling operations to determine feasibility, and to determine cost estimates.
- Drill or bore holes in rock for blasting, grouting, anchoring, or building foundations.
- Perform pumping tests to assess well performance.
- Disinfect, reconstruct, and redevelop contaminated wells and water pumping systems, and clean and disinfect new wells in preparation for use.
- Design well pumping systems.
- Signal crane operators to move equipment.
- Withdraw drill rods from holes, and extract core samples.
- Inspect core samples to determine nature of strata, or take samples to laboratories for analysis.
- Retract augers to force discharge dirt from holes.
- Observe electronic graph recorders and flow meters that monitor the water used to flush debris from holes.
- Monitor drilling operations, by checking gauges and listening to equipment to assess drilling conditions and to determine the need to adjust drilling or alter equipment.
- Pour water into wells, or pump water or slush into wells to cool drill bits and to remove drillings.
- Insert, pack, and pour explosives, such as dynamite, ammonium nitrate, black powder, or slurries into blast holes; then shovel drill cuttings, admit water into boreholes, and tamp material to compact charges.
- Examine blast areas to determine amounts and kinds of explosive charges needed and to ensure that safety laws are observed.
- Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions.
- Place safety cones around blast areas to alert other workers of danger zones, and signal workers as necessary to ensure that they clear blast sites prior to explosions.
- Place explosive charges in holes or other spots; then detonate explosives to demolish structures or to loosen, remove, or displace earth, rock, or other materials.
- Mark patterns, locations, and depths of charge holes for drilling, and issue drilling instructions.
- Compile and keep gun and explosives records in compliance with local and federal laws.
- Measure depths of drilled blast holes, using weighted tape measures.
- Connect electrical wire to primers, and cover charges or fill blast holes with clay, drill chips, sand, or other material.
- Lay primacord between rows of charged blast holes, and tie cord into main lines to form blast patterns.
- Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives.
- Verify detonation of charges by observing control panels, or by listening for the sounds of blasts.
- Move and store inventories of explosives, loaded perforating guns, and other materials, according to established safety procedures.
- Light fuses, drop detonating devices into wells or boreholes, or activate firing devices with plungers, dials, or buttons, in order to set off single or multiple blasts.
- Drive trucks to transport explosives and blasting equipment to blasting sites.
- Cut specified lengths of primacord and attach primers to cord ends.
- Maintain inventory levels, ordering new supplies as necessary.
- Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools.
- Set up and operate short-wave radio or field telephone equipment to transmit and receive blast information.
- Insert waterproof sealers, bullets, and/or powder charges into guns, and screw gun ports back into place.
- Clean, gauge, and lubricate gun ports.
- Connect gun chambers to electric detonating devices, and operate controls at panelboards, in order to detonate charges in guns or to ignite chemical charges.
- Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples.
- Insert powder charges into chambers of sidewall sample-taking cylinders, and assemble cylinders, using special wrenches.
- Obtain samples of earth from sidewalls of well boreholes, using electrically exploding devices.
- Create and lay out designs for drill and blast patterns.
- Document geological formations encountered during work.
- Operate machines to flush earth cuttings or to blow dust from holes.
- Set up and operate equipment such as hoists, jackhammers, and drills, in order to bore charge holes.
- Signal crane operators to move equipment.
- Insert, pack, and pour explosives, such as dynamite, ammonium nitrate, black powder, or slurries into blast holes; then shovel drill cuttings, admit water into boreholes, and tamp material to compact charges.
