- Select and fasten bulldozer blades or other attachments to tractors, using hitches.
Occupations with related tasks Save Table: XLSX CSV
- Position bolting machines, and insert drill bits into chucks.
- Remove drill bits from chucks after drilling holes, and insert bolts into chucks.
- Drill bolt holes into roofs at specified distances from ribs or adjacent bolts.
- Pull down loose rock that cannot be supported.
- 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.
- Tighten ends of anchored truss bolts, using turnbuckles.
- Position bolting machines, and insert drill bits into chucks.
- Remove drill bits from chucks after drilling holes, and insert bolts into chucks.
- 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.
- 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.
- Dig out sewer lines manually, using shovels.
- 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.
- Update sewer maps and manhole charts.
- Cover repaired pipes with dirt, and pack backfilled excavations, using air and gasoline tampers.
- 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.
- 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.
- Select and attach drill bits and drill rods, adding more rods as hole depths increase, and changing drill bits as needed.
- Select the appropriate drill for the job, using knowledge of rock or soil conditions.
- 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.
- 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.
- 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.
- 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.
- 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.
- Select and attach drill bits and drill rods, adding more rods as hole depths increase, and changing drill bits as needed.
- Select the appropriate drill for the job, using knowledge of rock or soil conditions.
- Determine materials, equipment, and installation sequences necessary to maximize installation efficiency.
- Determine appropriate sizes, ratings, and locations for all system overcurrent devices, disconnect devices, grounding equipment, and surge suppression equipment.
- Install photovoltaic (PV) systems in accordance with codes and standards, using drawings, schematics, and instructions.
- Check electrical installation for proper wiring, polarity, grounding, or integrity of terminations.
- Identify electrical, environmental, and safety hazards associated with photovoltaic (PV) installations.
- Identify installation locations with proper orientation, area, solar access, or structural integrity for photovoltaic (PV) arrays.
- Assemble solar modules, panels, or support structures, as specified.
- Apply weather sealing to array, building, or support mechanisms.
- Install module array interconnect wiring, implementing measures to disable arrays during installation.
- Install required labels on solar system components and hardware.
- Diagram layouts and locations for photovoltaic (PV) arrays and equipment, including existing building or site features.
- Test operating voltages to ensure operation within acceptable limits for power conditioning equipment, such as inverters and controllers.
- Activate photovoltaic (PV) systems to verify system functionality and conformity to performance expectations.
- Identify and resolve any deficiencies in photovoltaic (PV) system installation or materials.
- Visually inspect and test photovoltaic (PV) modules or systems.
- Examine designs to determine current requirements for all parts of the photovoltaic (PV) system electrical circuit.
- Demonstrate system functionality and performance, including start-up, shut-down, normal operation, and emergency or bypass operations.
- Identify methods for laying out, orienting, and mounting modules or arrays to ensure efficient installation, electrical configuration, or system maintenance.
- Measure and analyze system performance and operating parameters to assess operating condition of systems or equipment.
- Program, adjust, or configure inverters and controls for desired set points and operating modes.
- Determine connection interfaces for additional subpanels or for connecting photovoltaic (PV) systems with utility services or other power generation sources.
- Determine photovoltaic (PV) system designs or configurations based on factors such as customer needs, expectations, and site conditions.
- Select mechanical designs, installation equipment, or installation plans that conform to environmental, architectural, structural, site, and code requirements.
- Perform routine photovoltaic (PV) system maintenance on modules, arrays, batteries, power conditioning equipment, safety systems, structural systems, weather sealing, or balance of systems equipment.
- Compile or maintain records of system operation, performance, and maintenance.
- Install active solar systems, including solar collectors, concentrators, pumps, or fans.
- Determine materials, equipment, and installation sequences necessary to maximize installation efficiency.
- Determine appropriate sizes, ratings, and locations for all system overcurrent devices, disconnect devices, grounding equipment, and surge suppression equipment.
- Select tools, equipment, or materials from storage and transport items to work site.
- 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.
- 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.
- Construct forms and assist in raising them to the required elevation.
- Install handrails under the direction of a carpenter.
- Glue and clamp edges or joints of assembled parts.
- Smooth or sand surfaces to remove ridges, tool marks, glue, or caulking.
- Secure stakes to grids for constructions of footings, nail scabs to footing forms, and vibrate and float concrete.
- Cut and install insulating or sound-absorbing material.
- Cut tile or linoleum to fit and spread adhesives on flooring for installation.
- Cover surfaces with laminated plastic covering material.
- Select tools, equipment, or materials from storage and transport items to work site.
- Select and purchase tools or finishes for surfaces to be covered, considering durability, ease of handling, methods of application, and customers' wishes.
- Fill cracks, holes, or joints with caulk, putty, plaster, or other fillers, using caulking guns or putty knives.
- Cover surfaces with dropcloths or masking tape and paper to protect surfaces during painting.
- Smooth surfaces, using sandpaper, scrapers, brushes, steel wool, or sanding machines.
- Read work orders or receive instructions from supervisors or homeowners to determine work requirements.
- Apply primers or sealers to prepare new surfaces, such as bare wood or metal, for finish coats.
- Apply paint, stain, varnish, enamel, or other finishes to equipment, buildings, bridges, or other structures, using brushes, spray guns, or rollers.
- Erect scaffolding or swing gates, or set up ladders, to work above ground level.
- Mix and match colors of paint, stain, or varnish with oil or thinning and drying additives to obtain desired colors and consistencies.
- Calculate amounts of required materials and estimate costs, based on surface measurements or work orders.
- Polish final coats to specified finishes.
- Wash and treat surfaces with oil, turpentine, mildew remover, or other preparations, and sand rough spots to ensure that finishes will adhere properly.
- Remove old finishes by stripping, sanding, wire brushing, burning, or using water or abrasive blasting.
- Remove fixtures such as pictures, door knobs, lamps, or electric switch covers prior to painting.
- Use special finishing techniques such as sponging, ragging, layering, or faux finishing.
- Cut stencils and brush or spray lettering or decorations on surfaces.
- Waterproof buildings, using waterproofers or caulking.
- Spray or brush hot plastics or pitch onto surfaces.
- Bake finishes on painted or enameled articles, using baking ovens.
- Select and purchase tools or finishes for surfaces to be covered, considering durability, ease of handling, methods of application, and customers' wishes.
- Select fishing methods or tools for removing obstacles such as liners, broken casing, screens, or drill pipe.
- 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.
- Close and seal wells no longer in use.
- Direct drilling crews performing activities such as assembling and connecting pipe, applying weights to drill pipes, or drilling around lodged obstacles.
- 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.
- Select fishing methods or tools for removing obstacles such as liners, broken casing, screens, or drill pipe.
- Set up and adjust machines and equipment.
- Enforce safety and sanitation regulations.
- Keep records of employees' attendance and hours worked.
- Inspect materials, products, or equipment to detect defects or malfunctions.
- Read and analyze charts, work orders, production schedules, and other records and reports to determine production requirements and to evaluate current production estimates and outputs.
- Plan and establish work schedules, assignments, and production sequences to meet production goals.
- Confer with other supervisors to coordinate operations and activities within or between departments.
- Interpret specifications, blueprints, job orders, and company policies and procedures for workers.
- Observe work and monitor gauges, dials, and other indicators to ensure that operators conform to production or processing standards.
- Direct and coordinate the activities of employees engaged in the production or processing of goods, such as inspectors, machine setters, or fabricators.
- Conduct employee training in equipment operations or work and safety procedures, or assign employee training to experienced workers.
- Evaluate employee performance.
- Confer with management or subordinates to resolve worker problems, complaints, or grievances.
- Determine standards, budgets, production goals, and rates, based on company policies, equipment and labor availability, and workloads.
- Calculate labor and equipment requirements and production specifications, using standard formulas.
- Recommend or implement measures to motivate employees and to improve production methods, equipment performance, product quality, or efficiency.
- Maintain operations data, such as time, production, and cost records, and prepare management reports of production results.
- Requisition materials, supplies, equipment parts, or repair services.
- Recommend or execute personnel actions, such as hirings, evaluations, or promotions.
- Plan and develop new products and production processes.
- Set up and adjust machines and equipment.
- Install medical equipment.
- Test or calibrate components or equipment, following manufacturers' manuals and troubleshooting techniques, using hand tools, power tools, or measuring devices.
- Perform preventive maintenance or service, such as cleaning, lubricating, or adjusting equipment.
- Inspect, test, or troubleshoot malfunctioning medical or related equipment, following manufacturers' specifications and using test and analysis instruments.
- Keep records of maintenance, repair, and required updates of equipment.
- Disassemble malfunctioning equipment and remove, repair, or replace defective parts, such as motors, clutches, or transformers.
- Examine medical equipment or facility's structural environment and check for proper use of equipment to protect patients and staff from electrical or mechanical hazards and to ensure compliance with safety regulations.
- Test, evaluate, and classify excess or in-use medical equipment and determine serviceability, condition, and disposition, in accordance with regulations.
- Plan and carry out work assignments, using blueprints, schematic drawings, technical manuals, wiring diagrams, or liquid or air flow sheets, following prescribed regulations, directives, or other instructions as required.
- Study technical manuals or attend training sessions provided by equipment manufacturers to maintain current knowledge.
- Explain or demonstrate correct operation or preventive maintenance of medical equipment to personnel.
- Research catalogs or repair part lists to locate sources for repair parts, requisitioning parts and recording their receipt.
- Repair shop equipment, metal furniture, or hospital equipment, including welding broken parts or replacing missing parts, or bring item into local shop for major repairs.
- Solder loose connections, using soldering iron.
- Compute power and space requirements for installing medical, dental, or related equipment and install units to manufacturers' specifications.
- Evaluate technical specifications to identify equipment or systems best suited for intended use and possible purchase, based on specifications, user needs, or technical requirements.
- Contribute expertise to develop medical maintenance standard operating procedures.
- Fabricate, dress down, or substitute parts or major new items to modify equipment to meet unique operational or research needs, working from job orders, sketches, modification orders, samples, or discussions with operating officials.
- Supervise or advise subordinate personnel.
- Make computations relating to load requirements of wiring or equipment, using algebraic expressions and standard formulas.
- Install medical equipment.
- Install dies, cutters, and extensions to screeds onto machines, using hand tools.
- 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.
- 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.
- Set up forms and lay out guidelines for curbs, according to written specifications, using string, spray paint, and concrete or water mixes.
- Install dies, cutters, and extensions to screeds onto machines, using hand tools.
- Monitor progress of drilling operations, and select and change drill bits according to the nature of strata, using hand tools.
- 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.
- 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.
- Monitor progress of drilling operations, and select and change drill bits according to the nature of strata, using hand tools.
