- Drill holes into sides of stones broken from masses, insert dogs or attach slings, and direct removal of stones.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 4 | 6 | 3 | 47-1011.00 | First-Line Supervisors of Construction Trades and Extraction Workers |
| 2 | 4 | 3 | 47-1011.03 | Solar Energy Installation Managers |
| 2 | 2 | 2 | 47-5032.00 | Explosives Workers, Ordnance Handling Experts, and Blasters |
| 1 | 3 | 2 | 47-2031.00 | Carpenters |
| 1 | 2 | 2 | 47-2151.00 | Pipelayers |
| 1 | 2 | 2 | 47-2071.00 | Paving, Surfacing, and Tamping Equipment Operators |
| 1 | 2 | 1 | 47-2051.00 | Cement Masons and Concrete Finishers |
| 1 | 1 | 2 | 47-5043.00 | Roof Bolters, Mining |
| 1 | 1 | 2 | 47-5041.00 | Continuous Mining Machine Operators |
| 1 | 1 | 1 | 47-5011.00 | Derrick Operators, Oil and Gas |
| 1 | 1 | 3 | 47-4011.00 | Construction and Building Inspectors |
| 1 | 1 | 2 | 47-5013.00 | Service Unit Operators, Oil and Gas |
| 1 | 1 | 3 | 47-2111.00 | Electricians 
|
| 1 | 1 | 2 | 47-5012.00 | Rotary Drill Operators, Oil and Gas |
| 1 | 1 | 2 | 47-2211.00 | Sheet Metal Workers |
| 1 | 1 | 2 | 47-5023.00 | Earth Drillers, Except Oil and Gas |
| 1 | 1 | 3 | 47-2152.00 | Plumbers, Pipefitters, and Steamfitters |
- Supervise, coordinate, or schedule the activities of construction or extractive workers.
- Assign work to employees, based on material or worker requirements of specific jobs.
- Analyze worker or production problems and recommend solutions, such as improving production methods or implementing motivational plans.
- Suggest or initiate personnel actions, such as promotions, transfers, or hires.
- Coordinate work activities with other construction project activities.
- Arrange for repairs of equipment or machinery.
- Inspect work progress, equipment, or construction sites to verify safety or to ensure that specifications are met.
- Read specifications, such as blueprints, to determine construction requirements or to plan procedures.
- Estimate material or worker requirements to complete jobs.
- Order or requisition materials or supplies.
- Train workers in construction methods, operation of equipment, safety procedures, or company policies.
- Locate, measure, and mark site locations or placement of structures or equipment, using measuring and marking equipment.
- Confer with managerial or technical personnel, other departments, or contractors to resolve problems or to coordinate activities.
- Provide assistance to workers engaged in construction or extraction activities, using hand tools or other equipment.
- Record information, such as personnel, production, or operational data on specified forms or reports.
- Supervise, coordinate, or schedule the activities of construction or extractive workers.
- Assign work to employees, based on material or worker requirements of specific jobs.
- Analyze worker or production problems and recommend solutions, such as improving production methods or implementing motivational plans.
- Suggest or initiate personnel actions, such as promotions, transfers, or hires.
- Coordinate work activities with other construction project activities.
- Arrange for repairs of equipment or machinery.
- Supervise solar installers, technicians, and subcontractors for solar installation projects to ensure compliance with safety standards.
- Monitor work of contractors and subcontractors to ensure projects conform to plans, specifications, schedules, or budgets.
- Plan and coordinate installations of photovoltaic (PV) solar and solar thermal systems to ensure conformance to codes.
- Coordinate or schedule building inspections for solar installation projects.
- Estimate materials, equipment, and personnel needed for residential or commercial solar installation projects.
- Prepare solar installation project proposals, quotes, budgets, or schedules.
- Assess potential solar installation sites to determine feasibility and design requirements.
- Provide technical assistance to installers, technicians, or other solar professionals in areas such as solar electric systems, solar thermal systems, electrical systems, or mechanical systems.
- Identify means to reduce costs, minimize risks, or increase efficiency of solar installation projects.
- Perform start-up of systems for testing or customer implementation.
- Assess system performance or functionality at the system, subsystem, and component levels.
- Evaluate subcontractors or subcontractor bids for quality, cost, and reliability.
- Visit customer sites to determine solar system needs, requirements, or specifications.
- Develop and maintain system architecture, including all piping, instrumentation, or process flow diagrams.
- Purchase or rent equipment for solar energy system installation.
- Supervise solar installers, technicians, and subcontractors for solar installation projects to ensure compliance with safety standards.
- Monitor work of contractors and subcontractors to ensure projects conform to plans, specifications, schedules, or budgets.
- Plan and coordinate installations of photovoltaic (PV) solar and solar thermal systems to ensure conformance to codes.
- Coordinate or schedule building inspections for solar installation projects.
- 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.
- Set up and operate equipment such as hoists, jackhammers, and drills, in order to bore charge holes.
- 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 explosive charges in holes or other spots; then detonate explosives to demolish structures or to loosen, remove, or displace earth, rock, or other materials.
- 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.
- 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.
- Signal crane operators to move equipment.
- 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.
- Set up and operate equipment such as hoists, jackhammers, and drills, in order to bore charge holes.
- Dig or direct digging of post holes and set poles to support structures.
- Bore boltholes in timber, masonry or concrete walls, using power drill.
- Arrange for subcontractors to deal with special areas, such as heating or electrical wiring work.
- Follow established safety rules and regulations and maintain a safe and clean environment.
- Measure and mark cutting lines on materials, using a ruler, pencil, chalk, and marking gauge.
- Assemble and fasten materials to make frameworks or props, using hand tools and wood screws, nails, dowel pins, or glue.
- Study specifications in blueprints, sketches, or building plans to prepare project layout and determine dimensions and materials required.
- Shape or cut materials to specified measurements, using hand tools, machines, or power saws.
- Verify trueness of structure, using plumb bob and level.
- Inspect ceiling or floor tile, wall coverings, siding, glass, or woodwork to detect broken or damaged structures.
- Erect scaffolding or ladders for assembling structures above ground level.
- Install structures or fixtures, such as windows, frames, floorings, trim, or hardware, using carpenters' hand or power tools.
- Maintain records, document actions, and present written progress reports.
- Remove damaged or defective parts or sections of structures and repair or replace, using hand tools.
- Maintain job records and schedule work crew.
- Anchor and brace forms and other structures in place, using nails, bolts, anchor rods, steel cables, planks, wedges, and timbers.
- Install rough door and window frames, subflooring, fixtures, or temporary supports in structures undergoing construction or repair.
- Cover subfloors with building paper to keep out moisture and lay hardwood, parquet, or wood-strip-block floors by nailing floors to subfloor or cementing them to mastic or asphalt base.
- Construct forms or chutes for pouring concrete.
- Build or repair cabinets, doors, frameworks, floors, or other wooden fixtures used in buildings, using woodworking machines, carpenter's hand tools, or power tools.
- Finish surfaces of woodwork or wallboard in houses or buildings, using paint, hand tools, or paneling.
- Select and order lumber or other required materials.
- Work with or remove hazardous material.
- Fill cracks or other defects in plaster or plasterboard and sand patch, using patching plaster, trowel, and sanding tool.
- Prepare cost estimates for clients or employers.
- Perform minor plumbing, welding, or concrete mixing work.
- Apply shock-absorbing, sound-deadening, or decorative paneling to ceilings or walls.
- Examine structural timbers and supports to detect decay, and replace timbers as required, using hand tools, nuts, and bolts.
- Build sleds from logs and timbers for use in hauling camp buildings and machinery through wooded areas.
- Dig or direct digging of post holes and set poles to support structures.
- Bore boltholes in timber, masonry or concrete walls, using power drill.
- Arrange for subcontractors to deal with special areas, such as heating or electrical wiring work.
- Train or supervise others in laying pipe.
- Tap and drill holes into pipes to introduce auxiliary lines or devices.
- Install or use instruments such as lasers, grade rods, or transit levels.
- Cut pipes to required lengths.
- Connect pipe pieces and seal joints, using welding equipment, cement, or glue.
- Cover pipes with earth or other materials.
- 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.
- Grade or level trench bases, using tamping machines or hand tools.
- Dig trenches to desired or required depths, by hand or using trenching tools.
- Locate existing pipes needing repair or replacement, using magnetic or radio indicators.
- Train or supervise others in laying pipe.
- Tap and drill holes into pipes to introduce auxiliary lines or devices.
- Observe distribution of paving material to adjust machine settings or material flow, and indicate low spots for workers to add material.
- Coordinate truck dumping.
- 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.
- 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.
- Operate machines to spread, smooth, level, or steel-reinforce stone, concrete, or asphalt on road beds.
- Light burners or start heating units of machines, and regulate screed temperatures and asphalt flow rates.
- Control traffic.
- Shovel blacktop.
- Operate tamping machines or manually roll surfaces to compact earth fills, foundation forms, and finished road materials, according to grade specifications.
- 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.
- Observe distribution of paving material to adjust machine settings or material flow, and indicate low spots for workers to add material.
- Coordinate truck dumping.
- Direct the casting of the concrete and supervise laborers who use shovels or special tools to spread it.
- Cut out damaged areas, drill holes for reinforcing rods, and position reinforcing rods to repair concrete, using power saw and drill.
- 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.
- Spread, level, and smooth concrete, using rake, shovel, hand or power trowel, hand or power screed, and float.
- Monitor how the wind, heat, or cold affect the curing of the concrete throughout the entire process.
- Mold expansion joints and edges, using edging tools, jointers, and straightedge.
- Signal truck driver to position truck to facilitate pouring concrete, and move chute to direct concrete on forms.
- Produce rough concrete surface, using broom.
- Apply hardening and sealing compounds to cure surface of concrete, and waterproof or restore surface.
- Operate power vibrator to compact concrete.
- 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.
- 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.
- Wet concrete surface, and rub with stone to smooth surface and obtain specified finish.
- 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 roofing paper on surface of foundation, and spread concrete onto roofing paper with trowel to form terrazzo base.
- Direct the casting of the concrete and supervise laborers who use shovels or special tools to spread it.
- Cut out damaged areas, drill holes for reinforcing rods, and position reinforcing rods to repair concrete, using power saw and drill.
- Drill bolt holes into roofs at specified distances from ribs or adjacent bolts.
- Pull down loose rock that cannot be supported.
- Position bolting machines, and insert drill bits into chucks.
- Perform safety checks on equipment before operating.
- Perform tests to determine if methane gas is present.
- Force bolts into holes, using hydraulic mechanisms of self-propelled bolting machines.
- Perform ventilation tasks, such as hanging ventilation curtains and tubes.
- Dust rocks after bolting.
- Install various types of bolts, including truss, glue, and resin bolts, traversing entire ceiling spans.
- Drill test holes and test bolts for specified tension, using torque wrenches.
- Position safety jacks to support underground mine roofs until bolts can be installed.
- Rotate chucks to turn bolts and open expansion heads against rock formations.
- Remove drill bits from chucks after drilling holes, and insert bolts into chucks.
- Tighten ends of anchored truss bolts, using turnbuckles.
- Drill bolt holes into roofs at specified distances from ribs or adjacent bolts.
- Guide and assist crews laying track and resetting supports and blocking.
- Hang ventilation tubing and ventilation curtains to ensure that the mining face area is kept properly ventilated.
- Conduct methane gas checks to ensure breathing quality of air.
- Check the stability of roof and rib support systems before mining face areas.
- Operate mining machines to gather coal and convey it to floors or shuttle cars.
- Drive machines into position at working faces.
- Move controls to start and regulate movement of conveyors and to start and position drill cutters or torches.
- Reposition machines to make additional holes or cuts.
- Determine locations, boundaries, and depths of holes or channels to be cut.
- Observe and listen to equipment operation to detect binding or stoppage of tools or other equipment malfunctions.
- Repair, oil, and adjust machines, and change cutting teeth, using wrenches.
- Install casings to prevent cave-ins.
- Scrape or wash conveyors, using belt scrapers or belt washers, to minimize dust production.
- Move levers to raise and lower hydraulic safety bars supporting roofs above machines until other workers complete framing.
- Apply new technologies developed to minimize the environmental impact of coal mining.
- Guide and assist crews laying track and resetting supports and blocking.
- Supervise crew members, and provide assistance in training them.
- Inspect derricks, or order their inspection, prior to being raised or lowered.
- Inspect derricks for flaws, and clean and oil derricks to maintain proper working conditions.
- Control the viscosity and weight of the drilling fluid.
- Repair pumps, mud tanks, and related equipment.
- Set and bolt crown blocks to posts at tops of derricks.
- Listen to mud pumps and check regularly for vibration and other problems to ensure that rig pumps and drilling mud systems are working properly.
- Start pumps that circulate mud through drill pipes and boreholes to cool drill bits and flush out drill cuttings.
- Position and align derrick elements, using harnesses and platform climbing devices.
- Guide lengths of pipe into and out of elevators.
- Prepare mud reports, and instruct crews about the handling of any chemical additives.
- Clamp holding fixtures on ends of hoisting cables.
- Weigh clay, and mix with water and chemicals to make drilling mud, using portable mixers.
- String cables through pulleys and blocks.
- Steady pipes during connection to or disconnection from drill or casing strings.
- Supervise crew members, and provide assistance in training them.
- Train, direct, or supervise other construction inspectors.
- Monitor installation of plumbing, wiring, equipment, or appliances to ensure that installation is performed properly and is in compliance with applicable regulations.
- Approve building plans that meet required specifications.
- Inspect and monitor construction sites to ensure adherence to safety standards, building codes, or specifications.
- Inspect bridges, dams, highways, buildings, wiring, plumbing, electrical circuits, sewers, heating systems, or foundations during and after construction for structural quality, general safety, or conformance to specifications and codes.
- Review and interpret plans, blueprints, site layouts, specifications, or construction methods to ensure compliance to legal requirements and safety regulations.
- Maintain daily logs and supplement inspection records with photographs.
- Conduct inspections, using survey instruments, metering devices, tape measures, or test equipment.
- Measure dimensions and verify level, alignment, or elevation of structures or fixtures to ensure compliance to building plans and codes.
- Confer with owners, violators, or authorities to explain regulations or recommend remedial actions.
- Issue permits for construction, relocation, demolition, or occupancy.
- Conduct environmental hazard inspections to identify or quantify problems, such as asbestos, poor air quality, water contamination, or other environmental hazards.
- Evaluate premises for cleanliness, such as proper garbage disposal or lack of vermin infestation.
- Monitor construction activities to ensure that environmental regulations are not violated.
- Evaluate project details to ensure adherence to environmental regulations.
- Estimate cost of completed work or of needed renovations or upgrades.
- Examine lifting or conveying devices, such as elevators, escalators, moving sidewalks, hoists, inclined railways, ski lifts, or amusement rides to ensure safety and proper functioning.
- Sample and test air to identify gasses, such as bromine, ozone, or sulfur dioxide, or particulates, such as mold, dust, or allergens.
- Inspect facilities or installations to determine their environmental impact.
- Train, direct, or supervise other construction inspectors.
- Direct drilling crews performing activities such as assembling and connecting pipe, applying weights to drill pipes, or drilling around lodged obstacles.
- Maintain and perform safety inspections on equipment and tools.
- Operate controls that raise derricks or level rigs.
- Listen to engines, rotary chains, or other equipment to detect faulty operations or unusual well conditions.
- Prepare reports of services rendered, tools used, or time required, for billing purposes.
- Install pressure-control devices onto wellheads.
- Confer with others to gather information regarding pipe or tool sizes or borehole conditions in wells.
- Operate pumps that circulate water, oil, or other fluids through wells to remove sand or other materials obstructing the free flow of oil.
- Drive truck-mounted units to well sites.
- Interpret instrument readings to ascertain the depth of obstruction.
- Thread cables through derrick pulleys, using hand tools.
- Select fishing methods or tools for removing obstacles such as liners, broken casing, screens, or drill pipe.
- Close and seal wells no longer in use.
- Apply green technologies or techniques, such as the use of coiled tubing, slim-hole drilling, horizontal drilling, hydraulic fracturing, or gas lift systems.
- Operate specialized equipment to remove obstructions by backing off or severing pipes by chemical or explosive action.
- Perforate well casings or sidewalls of boreholes with explosive charges.
- Examine unserviceable wells to determine actions to be taken to improve well conditions.
- Monitor sound wave-generating or detecting mechanisms to determine well fluid levels.
- Insert detection instruments into wells with obstructions.
- Direct drilling crews performing activities such as assembling and connecting pipe, applying weights to drill pipes, or drilling around lodged obstacles.
- Direct or train workers to install, maintain, or repair electrical wiring, equipment, or fixtures.
- Prepare sketches or follow blueprints to determine the location of wiring or equipment and to ensure conformance to building and safety codes.
- Place conduit, pipes, or tubing, inside designated partitions, walls, or other concealed areas, and pull insulated wires or cables through the conduit to complete circuits between boxes.
- Work from ladders, scaffolds, or roofs to install, maintain, or repair electrical wiring, equipment, or fixtures.
- Use a variety of tools or equipment, such as power construction equipment, measuring devices, power tools, and testing equipment, such as oscilloscopes, ammeters, or test lamps.
- Assemble, install, test, or maintain electrical or electronic wiring, equipment, appliances, apparatus, or fixtures, using hand tools or power tools.
- Connect wires to circuit breakers, transformers, or other components.
- Maintain current electrician's license or identification card to meet governmental regulations.
- Plan layout and installation of electrical wiring, equipment, or fixtures, based on job specifications and local codes.
- Test electrical systems or continuity of circuits in electrical wiring, equipment, or fixtures, using testing devices, such as ohmmeters, voltmeters, or oscilloscopes, to ensure compatibility and safety of system.
- Diagnose malfunctioning systems, apparatus, or components, using test equipment and hand tools to locate the cause of a breakdown and correct the problem.
- Inspect electrical systems, equipment, or components to identify hazards, defects, or the need for adjustment or repair, and to ensure compliance with codes.
- Install ground leads and connect power cables to equipment, such as motors.
- Advise management on whether continued operation of equipment could be hazardous.
- Repair or replace wiring, equipment, or fixtures, using hand tools or power tools.
- Construct or fabricate parts, using hand tools, according to specifications.
- Provide preliminary sketches or cost estimates for materials or services.
- Perform business management duties, such as maintaining records or files, preparing reports, or ordering supplies or equipment.
- Fasten small metal or plastic boxes to walls to house electrical switches or outlets.
- Perform physically demanding tasks, such as digging trenches to lay conduit or moving or lifting heavy objects.
- Provide assistance during emergencies by operating floodlights or generators, placing flares, or driving needed vehicles.
- Direct or train workers to install, maintain, or repair electrical wiring, equipment, or fixtures.
- Direct rig crews in drilling and other activities, such as setting up rigs and completing or servicing wells.
- 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.
- 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.
- Direct rig crews in drilling and other activities, such as setting up rigs and completing or servicing wells.
- Hire, train, or supervise new employees or apprentices.
- Maintain equipment, making repairs or modifications when necessary.
- Fabricate ducts for high efficiency heating, ventilating, and air conditioning (HVAC) systems to maximize efficiency of systems.
- Fasten seams or joints together with welds, bolts, cement, rivets, solder, caulks, metal drive clips, or bonds to assemble components into products or to repair sheet metal items.
- Transport prefabricated parts to construction sites for assembly and installation.
- Install assemblies, such as flashing, pipes, tubes, heating and air conditioning ducts, furnace casings, rain gutters, or downspouts in supportive frameworks.
- Lay out, measure, and mark dimensions and reference lines on material, such as roofing panels, using calculators, scribes, dividers, squares, or rulers.
- Fabricate or alter parts at construction sites, using shears, hammers, punches, or drills.
- Determine project requirements, such as scope, assembly sequences, or required methods or materials, using blueprints, drawings, or written or verbal instructions.
- Maneuver completed roofing units into position for installation.
- Select gauges or types of sheet metal or nonmetallic material, according to product specifications.
- Shape metal material over anvils, blocks, or other forms, using hand tools.
- Trim, file, grind, deburr, buff, or smooth surfaces, seams, or joints of assembled parts, using hand tools or portable power tools.
- Inspect individual parts, assemblies, or installations, using measuring instruments, such as calipers, scales, or micrometers.
- Develop or lay out patterns, using computerized metalworking equipment.
- Convert blueprints into shop drawings to be followed in the construction or assembly of sheet metal products.
- Perform sheet metal work necessary for solar panel installations.
- Verify that heating, ventilating, and air conditioning (HVAC) systems are designed, installed, and calibrated in accordance with green certification standards, such as those of Leadership in Energy and Environmental Design (LEED).
- Secure metal roof panels in place by interlocking and fastening grooved panel edges.
- Perform building commissioning activities by completing mechanical inspections of a building's water, lighting, or heating, ventilating, and air conditioning (HVAC) systems.
- Fasten roof panel edges or machine-made moldings to structures by nailing or welding.
- Finish parts, using hacksaws or hand, rotary, or squaring shears.
- Hire, train, or supervise new employees or apprentices.
- Drill or bore holes in rock for blasting, grouting, anchoring, or building foundations.
- 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.
- Pour water into wells, or pump water or slush into wells to cool drill bits and to remove drillings.
- 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.
- 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.
- Drill or bore holes in rock for blasting, grouting, anchoring, or building foundations.
- Direct helpers engaged in pipe cutting, preassembly, or installation of plumbing systems or components.
- Shut off steam, water, or other gases or liquids from pipe sections, using valve keys or wrenches.
- Install underground storm, sanitary, or water piping systems, extending piping as needed to connect fixtures and plumbing.
- Assemble pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing, or welding equipment.
- Locate and mark the position of pipe installations, connections, passage holes, or fixtures in structures, using measuring instruments such as rulers or levels.
- Cut, thread, or hammer pipes to specifications, using tools such as saws, cutting torches, pipe threaders, or pipe benders.
- Lay out full scale drawings of pipe systems, supports, or related equipment, according to blueprints.
- Plan pipe system layout, installation, or repair, according to specifications.
- Review blueprints, building codes, or specifications to determine work details or procedures.
- Select pipe sizes, types, or related materials, such as supports, hangers, or hydraulic cylinders, according to specifications.
- Fill pipes or plumbing fixtures with water or air and observe pressure gauges to detect and locate leaks.
- Inspect, examine, or test installed systems or pipe lines, using pressure gauge, hydrostatic testing, observation, or other methods.
- Install pipe assemblies, fittings, valves, appliances such as dishwashers or water heaters, or fixtures such as sinks or toilets, using hand or power tools.
- Anchor steel supports from ceiling joists to hold pipes in place.
- Attach pipes to walls, structures, or fixtures, such as radiators or tanks, using brackets, clamps, tools, or welding equipment.
- Modify, clean, or maintain pipe systems, units, fittings, or related machines or equipment, using hand or power tools.
- Install automatic controls to regulate pipe systems.
- Estimate time, material, or labor costs for use in project plans.
- Keep records of work assignments.
- Inspect structures to assess material or equipment needs, to establish the sequence of pipe installations, or to plan installation around obstructions, such as electrical wiring.
- Maintain or repair plumbing by replacing defective washers, replacing or mending broken pipes, or opening clogged drains.
- Repair or remove and replace system components.
- Cut openings in structures to accommodate pipes or pipe fittings, using hand or power tools.
- Install green plumbing equipment, such as faucet flow restrictors, dual-flush or pressure-assisted flush toilets, or tankless hot water heaters.
- Inspect work sites for obstructions or holes that could cause structural weakness.
- Install pipe systems to support alternative energy-fueled systems, such as geothermal heating or cooling systems.
- Install fixtures, appliances, or equipment designed to reduce water or energy consumption.
- Repair hydraulic or air pumps.
- Weld small pipes or special piping, using specialized techniques, equipment, or materials, such as computer-assisted welding or microchip fabrication.
- Operate motorized pumps to remove water from flooded manholes, basements, or facility floors.
- Direct helpers engaged in pipe cutting, preassembly, or installation of plumbing systems or components.
