- Assemble, install, repair, and maintain elevators, escalators, moving sidewalks, and dumbwaiters, using hand and power tools, and testing devices such as test lamps, ammeters, and voltmeters.
Occupations with related tasks Save Table: XLSX CSV
- Repair or adjust track switches, using wrenches and replacement parts.
- Dress and reshape worn or damaged railroad switch points or frogs, using portable power grinders.
- Lubricate machines, change oil, or fill hydraulic reservoirs to specified levels.
- Clean or make minor repairs to machines or equipment.
- Patrol assigned track sections so that damaged or broken track can be located and reported.
- 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.
- 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.
- Clean, grade, or level ballast on railroad tracks.
- 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.
- 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 graders, tamping machines, brooms, or ballast spreading machines to redistribute gravel or ballast between rails.
- 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.
- Repair or adjust track switches, using wrenches and replacement parts.
- Dress and reshape worn or damaged railroad switch points or frogs, using portable power grinders.
- Lubricate machines, change oil, or fill hydraulic reservoirs to specified levels.
- Clean or make minor repairs to machines or equipment.
- Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives.
- Insert waterproof sealers, bullets, and/or powder charges into guns, and screw gun ports back into place.
- Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools.
- Clean, gauge, and lubricate gun ports.
- 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.
- 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.
- 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.
- Set up and operate short-wave radio or field telephone equipment to transmit and receive blast information.
- Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples.
- 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.
- Operate drones for aerial survey of blast sites and for post-blast damage assessment.
- Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives.
- Insert waterproof sealers, bullets, and/or powder charges into guns, and screw gun ports back into place.
- Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools.
- Clean, gauge, and lubricate gun ports.
- Dismantle and repair oil field machinery, boilers, and steam engine parts, using hand tools and power tools.
- Bolt together pump and engine parts.
- Walk flow lines to locate leaks, using electronic detectors and by making visual inspections, and repair the leaks.
- Unscrew or tighten pipes, casing, tubing, and pump rods, using hand and power wrenches and tongs.
- Guide cranes to move loads about decks.
- Lay gas and oil pipelines.
- Move pipes to and from trucks, using truck winches and motorized lifts, or by hand.
- Clean trucks used in the fields.
- 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.
- Clean up spilled oil by bailing it into barrels.
- Dig drainage ditches around wells and storage tanks.
- Cut down and remove trees and brush to clear drill sites, to reduce fire hazards, and to make way for roads to sites.
- Dismantle and repair oil field machinery, boilers, and steam engine parts, using hand tools and power tools.
- Bolt together pump and engine parts.
- Walk flow lines to locate leaks, using electronic detectors and by making visual inspections, and repair the leaks.
- Repair or replace defective pressure vessel parts, such as safety valves or regulators, using torches, jacks, caulking hammers, power saws, threading dies, welding equipment, or metalworking machinery.
- Assemble large vessels in an on-site fabrication shop prior to installation to ensure proper fit.
- Install manholes, handholes, taps, tubes, valves, gauges, or feedwater connections in drums of water tube boilers, using hand tools.
- Conduct pressure tests on vessels, such as boilers.
- Study blueprints to determine locations, relationships, or dimensions of parts.
- Examine boilers, pressure vessels, tanks, or vats to locate defects, such as leaks, weak spots, or defective sections, so that they can be repaired.
- Inspect assembled vessels or individual components, such as tubes, fittings, valves, controls, or auxiliary mechanisms, to locate any defects.
- Lay out plate, sheet steel, or other heavy metal and locate and mark bending and cutting lines, using protractors, compasses, and drawing instruments or templates.
- Bell, bead with power hammers, or weld pressure vessel tube ends to ensure leakproof joints.
- Locate and mark reference points for columns or plates on boiler foundations, following blueprints and using straightedges, squares, transits, or measuring instruments.
- Shape or fabricate parts, such as stacks, uptakes, or chutes, to adapt pressure vessels, heat exchangers, or piping to premises, using heavy-metalworking machines such as brakes, rolls, or drill presses.
- Position, align, and secure structural parts or related assemblies to boiler frames, tanks, or vats of pressure vessels, following blueprints.
- Clean pressure vessel equipment, using scrapers, wire brushes, and cleaning solvents.
- Attach rigging and signal crane or hoist operators to lift heavy frame and plate sections or other parts into place.
- Straighten or reshape bent pressure vessel plates or structure parts, using hammers, jacks, or torches.
- Shape seams, joints, or irregular edges of pressure vessel sections or structural parts to attain specified fit of parts, using cutting torches, hammers, files, or metalworking machines.
- Bolt or arc weld pressure vessel structures and parts together, using wrenches or welding equipment.
- Install refractory bricks or other heat-resistant materials in fireboxes of pressure vessels.
- Repair or replace defective pressure vessel parts, such as safety valves or regulators, using torches, jacks, caulking hammers, power saws, threading dies, welding equipment, or metalworking machinery.
- Assemble large vessels in an on-site fabrication shop prior to installation to ensure proper fit.
- Install manholes, handholes, taps, tubes, valves, gauges, or feedwater connections in drums of water tube boilers, using hand tools.
- Bolt together pump and engine parts, and connect tanks and flow lines.
- Maintain and adjust machinery to ensure proper performance.
- 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.
- 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.
- 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.
- 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.
- Bolt together pump and engine parts, and connect tanks and flow lines.
- Maintain and adjust machinery to ensure proper performance.
- 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.
- Rotate through all the tasks required in a particular production process.
- Provide assistance in the production of wiring assemblies.
- Maintain production equipment and machinery.
- Perform quality checks on products and parts.
- Review work orders and blueprints to ensure work is performed according to specifications.
- Determine work assignments and procedures.
- Supervise assemblers and train employees on job procedures.
- Shovel, sweep, or otherwise clean work areas.
- Complete production reports to communicate team production level to management.
- Package finished products and prepare them for shipment.
- Operate machinery and heavy equipment, such as forklifts.
- Rotate through all the tasks required in a particular production process.
- Provide assistance in the production of wiring assemblies.
- Maintain production equipment and machinery.
- 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.
- 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.
- 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.
- Hire, train, or supervise new employees or apprentices.
- 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.
- Convert blueprints into shop drawings to be followed in the construction or assembly of sheet metal products.
- 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).
- 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.
- 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.
- Maintain equipment, making repairs or modifications when necessary.
- Perform routine maintenance or repairs to restore solar thermal systems to baseline operating conditions.
- Install monitoring system components, such as flow meters, temperature gauges, and pressure gauges, according to system design and manufacturer specifications.
- Test operation or functionality of mechanical, plumbing, electrical, and control systems.
- Apply weather seal, such as pipe flashings and sealants, to roof penetrations and structural devices.
- Install solar collector mounting devices on tile, asphalt, shingle, or built-up gravel roofs, using appropriate materials and penetration methods.
- Install copper or plastic plumbing using pipes, fittings, pipe cutters, acetylene torches, solder, wire brushes, sand cloths, flux, plastic pipe cleaners, or plastic glue.
- Identify plumbing, electrical, environmental, or safety hazards associated with solar thermal installations.
- Demonstrate start-up, shut-down, maintenance, diagnostic, and safety procedures to thermal system owners.
- Install circulating pumps using pipe, fittings, soldering equipment, electrical supplies, and hand tools.
- Install flat-plat, evacuated glass, or concentrating solar collectors on mounting devices, using brackets or struts.
- Install solar thermal system controllers and sensors.
- Fill water tanks and check tanks, pipes, and fittings for leaks.
- Design active direct or indirect, passive direct or indirect, or pool solar systems.
- Determine locations for installing solar subsystem components, including piping, water heaters, valves, and ancillary equipment.
- 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.
- Cut, miter, and glue piping insulation to insulate plumbing pipes and fittings.
- Install plumbing, such as dip tubes, port fittings, drain tank valves, pressure temperature relief valves, or tanks, according to manufacturer specifications and building codes.
- Assess collector sites to ensure structural integrity of potential mounting surfaces or the best orientation and tilt for solar collectors.
- Apply ultraviolet radiation protection to prevent degradation of plumbing.
- Perform routine maintenance or repairs to restore solar thermal systems to baseline operating conditions.
- Install monitoring system components, such as flow meters, temperature gauges, and pressure gauges, according to system design and manufacturer specifications.
- Rotate cleaning rods manually, using turning pins.
- Service, adjust, and make minor repairs to equipment, machines, and attachments.
- 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.
- 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.
- 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.
- 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.
- Rotate cleaning rods manually, using turning pins.
- Service, adjust, and make minor repairs to equipment, machines, and attachments.
- Assemble and install new pipe organs and pianos in buildings.
- Reassemble instruments following repair, using hand tools and power tools and glue, hair, yarn, resin, or clamps, and lubricate instruments as necessary.
- Adjust string tensions to tune instruments, using hand tools and electronic tuning devices.
- Compare instrument pitches with tuning tool pitches to tune instruments.
- Play instruments to evaluate their sound quality and to locate any defects.
- Disassemble instruments and parts for repair and adjustment.
- Repair or replace musical instrument parts and components, such as strings, bridges, felts, and keys, using hand and power tools.
- Inspect instruments to locate defects, and to determine their value or the level of restoration required.
- Shape old parts and replacement parts to improve tone or intonation, using hand tools, lathes, or soldering irons.
- String instruments, and adjust trusses and bridges of instruments to obtain specified string tensions and heights.
- Repair cracks in wood or metal instruments, using pinning wire, lathes, fillers, clamps, or soldering irons.
- Polish instruments, using rags and polishing compounds, buffing wheels, or burnishing tools.
- Mix and measure glue that will be used for instrument repair.
- Align pads and keys on reed or wind instruments.
- Solder posts and parts to hold them in their proper places.
- Remove dents and burrs from metal instruments, using mallets and burnishing tools.
- Adjust felt hammers on pianos to increase tonal mellowness or brilliance, using sanding paddles, lacquer, or needles.
- Remove irregularities from tuning pins, strings, and hammers of pianos, using wood blocks or filing tools.
- Strike wood, fiberglass, or metal bars of instruments, and use tuned blocks, stroboscopes, or electronic tuners to evaluate tones made by instruments.
- Make wood replacement parts, using woodworking machines and hand tools.
- Refinish instruments to protect and decorate them, using hand tools, buffing tools, and varnish.
- Deliver pianos to purchasers or to locations of their use.
- Wash metal instruments in lacquer-stripping and cyanide solutions to remove lacquer and tarnish.
- Refinish and polish piano cabinets or cases to prepare them for sale.
- Adjust the neck angle on fretted instruments.
- Assemble and install new pipe organs and pianos in buildings.
- Reassemble instruments following repair, using hand tools and power tools and glue, hair, yarn, resin, or clamps, and lubricate instruments as necessary.
- Assemble and position machines, augers, casing pipes, and other equipment, using hand and power tools.
- Perform routine maintenance and upgrade work on machines and equipment, such as replacing parts, building up drill bits, and lubricating machinery.
- 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.
- 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.
- 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.
- Assemble and position machines, augers, casing pipes, and other equipment, using hand and power tools.
- Perform routine maintenance and upgrade work on machines and equipment, such as replacing parts, building up drill bits, and lubricating machinery.
- Perform routine maintenance on delivery vehicles, such as monitoring fluid levels and replenishing fuel.
- Deliver and pick up medical records, lab specimens, and medications to and from hospitals and other medical facilities.
- Obtain signatures and payments, or arrange for recipients to make payments.
- Record information, such as items received and delivered and recipients' responses to messages.
- Receive messages or materials to be delivered, and information on recipients, such as names, addresses, telephone numbers, and delivery instructions, communicated via telephone, two-way radio, or in person.
- Load vehicles with listed goods, ensuring goods are loaded correctly and taking precautions with hazardous goods.
- Walk, ride bicycles, drive vehicles, or use public conveyances to reach destinations to deliver messages or materials.
- Sort items to be delivered according to the delivery route.
- Deliver messages and items, such as newspapers, documents, and packages, between establishment departments and to other establishments and private homes.
- Unload and sort items collected along delivery routes.
- Plan and follow the most efficient routes for delivering goods.
- Check with home offices after completed deliveries to confirm deliveries and collections and to receive instructions for other deliveries.
- Collect, seal, and stamp outgoing mail, using postage meters and envelope sealers.
- Use telephone to deliver verbal messages.
- Perform general office or clerical work, such as filing materials, operating duplicating machines, or running errands.
- Perform routine maintenance on delivery vehicles, such as monitoring fluid levels and replenishing fuel.
- Install gas burners to convert furnaces from wood, coal, or oil.
- Measure, cut, thread and assemble new pipe, placing the assembled pipe in hangers or other supports.
- Cut or drill holes in walls or floors to accommodate the passage of pipes.
- Perform rough-ins, repair and replace fixtures and water heaters, and locate, repair, or remove leaking or broken pipes.
- Assist pipe fitters in the layout, assembly, and installation of piping for air, ammonia, gas, and water systems.
- Cut pipe and lift up to fitters.
- Fit or assist in fitting valves, couplings, or assemblies to tanks, pumps, or systems, using hand tools.
- Requisition tools and equipment, select type and size of pipe, and collect and transport materials and equipment to work site.
- Mount brackets and hangers on walls and ceilings to hold pipes, and set sleeves or inserts to provide support for pipes.
- Excavate and grade ditches, and lay and join pipe for water and sewer service.
- Disassemble and remove damaged or worn pipe.
- Clean shop, work area, and machines, using solvent and rags.
- Fill pipes with sand or resin to prevent distortion, and hold pipes during bending and installation.
- Immerse pipe in chemical solution to remove dirt, oil, and scale.
- Clean and renew steam traps.
- Install gas burners to convert furnaces from wood, coal, or oil.
- Perform preventative maintenance on vehicles and heavy equipment.
- Set out signs and cones around work areas to divert traffic.
- Flag motorists to warn them of obstacles or repair work ahead.
- Drive trucks to transport crews and equipment to work sites.
- Erect, install, or repair guardrails, road shoulders, berms, highway markers, warning signals, and highway lighting, using hand tools and power tools.
- Clean and clear debris from culverts, catch basins, drop inlets, ditches, and other drain structures.
- Drive heavy equipment and vehicles with adjustable attachments to sweep debris from paved surfaces, mow grass and weeds, remove snow and ice, and spread salt and sand.
- Haul and spread sand, gravel, and clay to fill washouts and repair road shoulders.
- Inspect, clean, and repair drainage systems, bridges, tunnels, and other structures.
- Remove litter and debris from roadways, including debris from rock and mud slides.
- Dump, spread, and tamp asphalt, using pneumatic tampers, to repair joints and patch broken pavement.
- Perform roadside landscaping work, such as clearing weeds and brush, and planting and trimming trees.
- Apply poisons along roadsides and in animal burrows to eliminate unwanted roadside vegetation and rodents.
- Measure and mark locations for installation of markers, using tape, string, or chalk.
- Paint traffic control lines and place pavement traffic messages, by hand or using machines.
- Apply oil to road surfaces, using sprayers.
- Inspect markers to verify accurate installation.
- Place and remove snow fences used to prevent the accumulation of drifting snow on highways.
- Blend compounds to form adhesive mixtures used for marker installation.
- Perform preventative maintenance on vehicles and heavy equipment.
- Wind parking meter clocks.
- Enter and retrieve information pertaining to vehicle registration, identification, and status, using hand-held computers.
- Patrol an assigned area by vehicle or on foot to ensure public compliance with existing parking ordinance.
- Write warnings and citations for illegally parked vehicles.
- Appear in court at hearings regarding contested traffic citations.
- Maintain assigned equipment and supplies, such as hand-held citation computers, citation books, rain gear, tire-marking chalk, and street cones.
- Respond to and make radio dispatch calls regarding parking violations and complaints.
- Maintain close communications with dispatching personnel, using two-way radios or cell phones.
- Perform simple vehicle maintenance procedures, such as checking oil and gas, and report mechanical problems to supervisors.
- Observe and report hazardous conditions, such as missing traffic signals or signs, and street markings that need to be repainted.
- Identify vehicles in violation of parking codes, checking with dispatchers when necessary to confirm identities or to determine whether vehicles need to be booted or towed.
- Train new or temporary staff.
- Make arrangements for illegally parked or abandoned vehicles to be towed, and direct tow-truck drivers to the correct vehicles.
- Investigate and answer complaints regarding contested parking citations, determining their validity and routing them appropriately.
- Provide information to the public regarding parking regulations and facilities, and the location of streets, buildings and points of interest.
- Prepare and maintain required records, including logs of parking enforcement activities, and records of contested citations.
- Perform traffic control duties such as setting up barricades and temporary signs, placing bags on parking meters to limit their use, or directing traffic.
- Mark tires of parked vehicles with chalk and record time of marking, and return at regular intervals to ensure that parking time limits are not exceeded.
- Locate lost, stolen, and counterfeit parking permits, and take necessary enforcement action.
- Collect coins deposited in meters.
- Provide assistance to motorists needing help with problems, such as flat tires, keys locked in cars, or dead batteries.
- Assign and review the work of subordinates.
- Wind parking meter clocks.
- Maintain and repair materials, work sites, and equipment.
- Determine the nature of code violations and actions to be taken, and issue written notices of violation, participating in enforcement hearings, as necessary.
- Prepare, organize, and maintain inspection records.
- Investigate complaints and suspected violations regarding illegal dumping, pollution, pesticides, product quality, or labeling laws.
- Determine which sites and violation reports to investigate, and coordinate compliance and enforcement activities with other government agencies.
- Interview individuals to determine the nature of suspected violations and to obtain evidence of violations.
- Inform individuals and groups of pollution control regulations and inspection findings, and explain how problems can be corrected.
- Verify that hazardous chemicals are handled, stored, and disposed of in accordance with regulations.
- Learn and observe proper safety precautions, rules, regulations, and practices so that unsafe conditions can be recognized and proper safety protocols implemented.
- Monitor follow-up actions in cases where violations were found, and review compliance monitoring reports.
- Examine permits, licenses, applications, and records to ensure compliance with licensing requirements.
- Prepare written, oral, tabular, and graphic reports summarizing requirements and regulations, including enforcement and chain of custody documentation.
- Observe and record field conditions, gathering, interpreting, and reporting data such as flow meter readings and chemical levels.
- Determine sampling locations and methods, and collect water or wastewater samples for analysis, preserving samples with appropriate containers and preservation methods.
- Research and keep informed of pertinent information and developments in areas such as EPA laws and regulations.
- Participate in the development of spill prevention programs and hazardous waste rules and regulations, and recommend corrective actions for hazardous waste problems.
- Inspect waste pretreatment, treatment, and disposal facilities and systems for conformance to federal, state, or local regulations.
- Analyze and implement state, federal or local requirements as necessary to maintain approved pretreatment, pollution prevention, and storm water runoff programs.
- Evaluate label information for accuracy and conformance to regulatory requirements.
- Respond to questions and inquiries, such as those concerning service charges and capacity fees, or refer them to supervisors.
- Research and perform calculations related to landscape allowances, discharge volumes, production-based and alternative limits, and wastewater strength classifications, making recommendations and completing documentation.
- Perform laboratory tests on samples collected, such as analyzing the content of contaminated wastewater.
- Inform health professionals, property owners, and the public about harmful properties and related problems of water pollution and contaminated wastewater.
- Review and evaluate applications for registration of products containing dangerous materials, or for pollution control discharge permits.
- Conduct research on hazardous waste management projects to determine the magnitude of problems and treatment or disposal alternatives and costs.
- Prepare data to calculate sewer service charges and capacity fees.
- Maintain and repair materials, work sites, and equipment.
- Perform routine photovoltaic (PV) system maintenance on modules, arrays, batteries, power conditioning equipment, safety systems, structural systems, weather sealing, or balance of systems 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.
- Determine materials, equipment, and installation sequences necessary to maximize installation efficiency.
- Test operating voltages to ensure operation within acceptable limits for power conditioning equipment, such as inverters and controllers.
- Determine appropriate sizes, ratings, and locations for all system overcurrent devices, disconnect devices, grounding equipment, and surge suppression equipment.
- 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.
- Compile or maintain records of system operation, performance, and maintenance.
- Install active solar systems, including solar collectors, concentrators, pumps, or fans.
- Perform routine photovoltaic (PV) system maintenance on modules, arrays, batteries, power conditioning equipment, safety systems, structural systems, weather sealing, or balance of systems equipment.
- Build sleds from logs and timbers for use in hauling camp buildings and machinery through wooded areas.
- 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.
- Bore boltholes in timber, masonry or concrete walls, using power drill.
- Install rough door and window frames, subflooring, fixtures, or temporary supports in structures undergoing construction or repair.
- Dig or direct digging of post holes and set poles to support structures.
- 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.
- Arrange for subcontractors to deal with special areas, such as heating or electrical wiring work.
- 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.
- Use drones for site surveying and to inspect hard-to-reach areas of a structure.
- Build sleds from logs and timbers for use in hauling camp buildings and machinery through wooded areas.
- Maintain and coordinate repair of marine machinery and equipment for installation on vessels.
- Perform monitoring activities to ensure that ships comply with international regulations and standards for life-saving equipment and pollution preventatives.
- Design complete hull and superstructure according to specifications and test data, in conformity with standards of safety, efficiency, and economy.
- Conduct analyses of ships, such as stability, structural, weight, and vibration analyses.
- Study design proposals and specifications to establish basic characteristics of craft, such as size, weight, speed, propulsion, displacement, and draft.
- Maintain contact with, and formulate reports for, contractors and clients to ensure completion of work at minimum cost.
- Coordinate activities with regulatory bodies to ensure repairs and alterations are at minimum cost and consistent with safety.
- Check, test, and maintain automatic controls and alarm systems.
- Prepare technical reports for use by engineering, management, or sales personnel.
- Design layout of craft interior, including cargo space, passenger compartments, ladder wells, and elevators.
- Prepare, or direct the preparation of, product or system layouts and detailed drawings and schematics.
- Evaluate performance of craft during dock and sea trials to determine design changes and conformance with national and international standards.
- Inspect marine equipment and machinery to draw up work requests and job specifications.
- Evaluate operation of marine equipment during acceptance testing and shakedown cruises.
- Conduct analytical, environmental, operational, or performance studies to develop designs for products, such as marine engines, equipment, and structures.
- Establish arrangement of boiler room equipment and propulsion machinery, heating and ventilating systems, refrigeration equipment, piping, and other functional equipment.
- Investigate and observe tests on machinery and equipment for compliance with standards.
- Prepare plans, estimates, design and construction schedules, and contract specifications, including any special provisions.
- Design and oversee testing, installation, and repair of marine apparatus and equipment.
- Conduct environmental, operational, or performance tests on marine machinery and equipment.
- Analyze data to determine feasibility of product proposals.
- Determine conditions under which tests are to be conducted, as well as sequences and phases of test operations.
- Confer with research personnel to clarify or resolve problems and to develop or modify designs.
- Review work requests and compare them with previous work completed on ships to ensure that costs are economically sound.
- Supervise other engineers and crew members and train them for routine and emergency duties.
- Act as liaisons between ships' captains and shore personnel to ensure that schedules and budgets are maintained, and that ships are operated safely and efficiently.
- Maintain records of engineering department activities, including expense records and details of equipment maintenance and repairs.
- Oversee construction and testing of prototype in model basin and develop sectional and waterline curves of hull to establish center of gravity, ideal hull form, and buoyancy and stability data.
- Procure materials needed to repair marine equipment and machinery.
- Schedule machine overhauls and the servicing of electrical, heating, ventilation, refrigeration, water, and sewage systems.
- Develop plans for safely drydocking vessels, including structural integrity, block loading, and stability.
- Maintain and coordinate repair of marine machinery and equipment for installation on vessels.
