Job Duties Custom List 53-7031.00 — Dredge Operators
- Pump water to clear machinery pipelines.
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- Respond to problems by adjusting control room equipment or instructing other personnel to adjust equipment at problem locations or in other control areas.
- Adjust valves and equipment to obtain specified performance.
- Move controls and turn valves to start compressor engines, pumps, and auxiliary equipment.
- Operate power-driven pumps that transfer liquids, semi-liquids, gases, or powdered materials.
- Turn knobs or switches to regulate pressures.
- Monitor meters and pressure gauges to determine consumption rate variations, temperatures, and pressures.
- Record instrument readings and operational changes in operating logs.
- Submit daily reports on facility operations.
- Take samples of gases and conduct chemical tests to determine gas quality and sulfur or moisture content, or send samples to laboratories for analysis.
- Read gas meters, and maintain records of the amounts of gas received and dispensed from holders.
- Clean, lubricate, and adjust equipment, and replace filters and gaskets, using hand tools.
- Maintain each station by performing general housekeeping duties such as painting, washing, and cleaning.
- Connect pipelines between pumps and containers that are being filled or emptied.
- Respond to problems by adjusting control room equipment or instructing other personnel to adjust equipment at problem locations or in other control areas.
- Adjust valves and equipment to obtain specified performance.
- Move controls and turn valves to start compressor engines, pumps, and auxiliary equipment.
- Operate power-driven pumps that transfer liquids, semi-liquids, gases, or powdered materials.
- Turn knobs or switches to regulate pressures.
- Start compressor engines and divert oil from storage tanks into compressor units and auxiliary equipment to recover natural gas from oil.
- Operate engines and pumps to shut off wells according to production schedules, and to switch flow of oil into storage tanks.
- Open valves to return compressed gas to bottoms of specified wells to repressurize them and force oil to surface.
- Monitor pumps and flow lines for gas and fluid leaks.
- Gauge oil and gas production.
- Monitor control panels during pumping operations to ensure that materials are being pumped at the correct pressure, density, rate, and concentration.
- Repair gas and oil meters and gauges.
- Perform routine maintenance on vehicles and equipment.
- Change water filters.
- Prepare trucks and equipment necessary for the type of pumping service required.
- Attach pumps and hoses to wellheads.
- Mix acids, chemicals, or dry cement as required for a specific job.
- Unload and assemble pipes and pumping equipment, using hand tools.
- Supervise oil pumpers and other workers engaged in producing oil from wells.
- Start compressor engines and divert oil from storage tanks into compressor units and auxiliary equipment to recover natural gas from oil.
- Operate engines and pumps to shut off wells according to production schedules, and to switch flow of oil into storage tanks.
- Open valves to return compressed gas to bottoms of specified wells to repressurize them and force oil to surface.
- Turn valves and start pumps to start or regulate flows of substances such as gases, liquids, slurries, or powdered materials.
- Pump two or more materials into one tank to blend mixtures.
- Monitor gauges and flowmeters and inspect equipment to ensure that tank levels, temperatures, chemical amounts, and pressures are at specified levels, reporting abnormalities as necessary.
- Record operating data such as products and quantities pumped, stocks used, gauging results, and operating times.
- Plan movement of products through lines to processing, storage, and shipping units, using knowledge of interconnections and capacities of pipelines, valve manifolds, pumps, and tankage.
- Communicate with other workers, using signals, radios, or telephones, to start and stop flows of materials or substances.
- Connect hoses and pipelines to pumps and vessels prior to material transfer, using hand tools.
- Tend vessels that store substances such as gases, liquids, slurries, or powdered materials, checking levels of substances by using calibrated rods or by reading mercury gauges and tank charts.
- Clean, lubricate, and repair pumps and vessels, using hand tools and equipment.
- Read operating schedules or instructions or receive verbal orders to determine amounts to be pumped.
- Test materials and solutions, using testing equipment.
- Tend auxiliary equipment such as water treatment and refrigeration units, and heat exchangers.
- Add chemicals and solutions to tanks to ensure that specifications are met.
- Collect and deliver sample solutions for laboratory analysis.
- Turn valves and start pumps to start or regulate flows of substances such as gases, liquids, slurries, or powdered materials.
- Pump two or more materials into one tank to blend mixtures.
- Turn valves or disconnect hoses to eliminate water, cleaning solutions, or vapors from machinery or tanks.
- Turn valves or handles on equipment to regulate pressure or flow of water, air, steam, or abrasives from sprayer nozzles.
- Rinse objects and place them on drying racks or use cloth, squeegees, or air compressors to dry surfaces.
- Apply paints, dyes, polishes, reconditioners, waxes, or masking materials to vehicles to preserve, protect, or restore color or condition.
- Clean and polish vehicle windows.
- Drive vehicles to or from workshops or customers' workplaces or homes.
- Scrub, scrape, or spray machine parts, equipment, or vehicles, using scrapers, brushes, clothes, cleaners, disinfectants, insecticides, acid, abrasives, vacuums, or hoses.
- Inspect parts, equipment, or vehicles for cleanliness, damage, and compliance with standards or regulations.
- Mix cleaning solutions, abrasive compositions, or other compounds, according to formulas.
- Maintain inventories of supplies.
- Pre-soak or rinse machine parts, equipment, or vehicles by immersing objects in cleaning solutions or water, manually or using hoists.
- Sweep, shovel, or vacuum loose debris or salvageable scrap into containers and remove containers from work areas.
- Monitor operation of cleaning machines and stop machines or notify supervisors when malfunctions occur.
- Press buttons to activate cleaning equipment or machines.
- Connect hoses or lines to pumps or other equipment.
- Clean the plastic work inside cars, using paintbrushes.
- Disassemble and reassemble machines or equipment or remove and reattach vehicle parts or trim, using hand tools.
- Lubricate machinery, vehicles, or equipment or perform minor repairs or adjustments, using hand tools.
- Transport materials, equipment, or supplies to or from work areas, using carts or hoists.
- Fit boot spoilers, side skirts, or mud flaps to cars.
- Turn valves or disconnect hoses to eliminate water, cleaning solutions, or vapors from machinery or tanks.
- Turn valves or handles on equipment to regulate pressure or flow of water, air, steam, or abrasives from sprayer nozzles.
- Activate fuel pumps and fill fuel tanks of vehicles with gasoline or diesel fuel to specified levels.
- Collect cash payments from customers, and make change or charge purchases to customers' credit cards, providing customers with receipts.
- Check tire pressure and levels of fuel, motor oil, transmission, radiator, battery, or other fluids, adding air or fluids as required.
- Perform minor repairs, such as adjusting brakes, replacing spark plugs, or changing engine oil or filters.
- Clean parking areas, offices, restrooms, or equipment, and remove trash.
- Order stock, and price and shelve incoming goods.
- Sell and install accessories, such as batteries, windshield wiper blades, fan belts, bulbs, or headlamps.
- Grease and lubricate vehicles or specified units, such as springs, universal joints, or steering knuckles, using grease guns or spray lubricants.
- Rotate, test, and repair or replace tires.
- Prepare daily reports of fuel, oil, and accessory sales.
- Clean windshields.
- Test and charge batteries.
- Maintain customer records and follow up periodically with telephone, mail, or personal reminders of services due.
- Provide customers with information about local roads or highways.
- Activate fuel pumps and fill fuel tanks of vehicles with gasoline or diesel fuel to specified levels.
- Operate or maintain off-loading liquid pumps or valves.
- Monitor engine, machinery, or equipment indicators when vessels are underway, and report abnormalities to appropriate shipboard staff.
- Monitor the availability, use, or condition of lifesaving equipment or pollution preventatives to ensure that international regulations are followed.
- Monitor and test operations of engines or other equipment so that malfunctions and their causes can be identified.
- Start engines to propel ships, and regulate engines and power transmissions to control speeds of ships, according to directions from captains or bridge computers.
- Perform or participate in emergency drills, as required.
- Perform general marine vessel maintenance or repair work, such as repairing leaks, finishing interiors, refueling, or maintaining decks.
- Maintain or repair engines, electric motors, pumps, winches, or other mechanical or electrical equipment, or assist other crew members with maintenance or repair duties.
- Maintain complete records of engineering department activities, including machine operations.
- Maintain electrical power, heating, ventilation, refrigeration, water, or sewerage systems.
- Install engine controls, propeller shafts, or propellers.
- Clean engine parts and keep engine rooms clean.
- Record orders for changes in ship speed or direction, and note gauge readings or test data, such as revolutions per minute or voltage output, in engineering logs or bellbooks.
- Order and receive engine room stores, such as oil or spare parts, maintain inventories, and record usage of supplies.
- Act as a liaison between a ship's captain and shore personnel to ensure that schedules and budgets are maintained and that the ship is operated safely and efficiently.
- Supervise marine engine technicians engaged in the maintenance or repair of mechanical or electrical marine vessels, and inspect their work to ensure that it is performed properly.
- Fabricate engine replacement parts, such as valves, stay rods, or bolts, using metalworking machinery.
- Operate or maintain off-loading liquid pumps or valves.
- Turn valves to increase or decrease water levels in locks.
- Control machinery to open and close canal locks and dams, railroad or highway drawbridges, or horizontally or vertically adjustable bridges.
- Direct movements of vessels in locks or bridge areas, using signals, telecommunication equipment, or loudspeakers.
- Observe position and progress of vessels to ensure best use of lock spaces or bridge opening spaces.
- Record names, types, and destinations of vessels passing through bridge openings or locks, and numbers of trains or vehicles crossing bridges.
- Observe approaching vessels to determine size and speed, and listen for whistle signals indicating desire to pass.
- Move levers to activate traffic signals, navigation lights, and alarms.
- Write and submit maintenance work requisitions.
- Log data, such as water levels and weather conditions.
- Prepare accident reports.
- Perform maintenance duties, such as sweeping, painting, and yard work to keep facilities clean and in order.
- Check that bridges are clear of vehicles and pedestrians prior to opening.
- Stop automobile and pedestrian traffic on bridges, and lower automobile gates prior to moving bridges.
- Raise drawbridges and observe passage of water traffic or lower drawbridges and raise automobile gates.
- Maintain and guard stations in bridges to check waterways for boat traffic.
- Clean and lubricate equipment, and make minor repairs and adjustments.
- Inspect canal and bridge equipment, and areas, such as roadbeds, for damage or defects, reporting problems to supervisors as necessary.
- Attach ropes or cable lines to bitts on lock decks or wharfs to secure vessels.
- Turn valves to increase or decrease water levels in locks.
- Start pumps and adjust valves or cables to regulate the flow of products to vessels, using knowledge of loading procedures.
- Seal outlet valves on tank cars, barges, and trucks.
- Verify tank car, barge, or truck load numbers to ensure car placement accuracy based on written or verbal instructions.
- Check conditions and weights of vessels to ensure cleanliness and compliance with loading procedures.
- Observe positions of cars passing loading spouts, and swing spouts into the correct positions at the appropriate times.
- Monitor product movement to and from storage tanks, coordinating activities with other workers to ensure constant product flow.
- Operate ship loading and unloading equipment, conveyors, hoists, and other specialized material handling equipment such as railroad tank car unloading equipment.
- Record operating data such as products and quantities pumped, gauge readings, and operating times, manually or using computers.
- Operate industrial trucks, tractors, loaders, and other equipment to transport materials to and from transportation vehicles and loading docks, and to store and retrieve materials in warehouses.
- Connect ground cables to carry off static electricity when unloading tanker cars.
- Copy and attach load specifications to loaded tanks.
- Remove and replace tank car dome caps, or direct other workers in their removal and replacement.
- Test samples for specific gravity, using hydrometers, or send samples to laboratories for testing.
- Test vessels for leaks, damage, and defects, and repair or replace defective parts as necessary.
- Unload cars containing liquids by connecting hoses to outlet plugs and pumping compressed air into cars to force liquids into storage tanks.
- Clean interiors of tank cars or tank trucks, using mechanical spray nozzles.
- Lower gauge rods into tanks or read meters to verify contents, temperatures, and volumes of liquid loads.
- Operate conveyors and equipment to transfer grain or other materials from transportation vehicles.
- Perform general warehouse activities, such as opening containers and crates, filling warehouse orders, assisting in taking inventory, and weighing and checking materials.
- Start pumps and adjust valves or cables to regulate the flow of products to vessels, using knowledge of loading procedures.
- Manipulate controls, levers, and valves to start pumps, auxiliary equipment, or conveyors, and to adjust equipment positions, speeds, timing, and material flows.
- Inform supervisors of equipment malfunctions that need to be addressed.
- Observe conveyor operations and monitor lights, dials, and gauges to maintain specified operating levels and to detect equipment malfunctions.
- Record production data such as weights, types, quantities, and storage locations of materials, as well as equipment performance problems and downtime.
- Load, unload, or adjust materials or products on conveyors by hand, by using lifts, hoists, and scoops, or by opening gates, chutes, or hoppers.
- Stop equipment or machinery and clear jams, using poles, bars, and hand tools, or remove damaged materials from conveyors.
- Distribute materials, supplies, and equipment to work stations, using lifts and trucks.
- Observe packages moving along conveyors to identify packages, detect defective packaging, and perform quality control.
- Collect samples of materials or products, checking them to ensure conformance to specifications or sending them to laboratories for analysis.
- Position deflector bars, gates, chutes, or spouts to divert flow of materials from one conveyor onto another conveyor.
- Repair or replace equipment components or parts such as blades, rolls, and pumps.
- Weigh or measure materials and products, using scales or other measuring instruments, or read scales on conveyors that continually weigh products, to verify specified tonnages and prevent overloads.
- Read production and delivery schedules, and confer with supervisors, to determine sorting and transfer procedures, arrangement of packages on pallets, and destinations of loaded pallets.
- Press console buttons to deflect packages to predetermined accumulators or reject lines.
- Clean, sterilize, and maintain equipment, machinery, and work stations, using hand tools, shovels, brooms, chemicals, hoses, and lubricants.
- Affix identifying information to materials or products, using hand tools.
- Move, assemble, and connect hoses or nozzles to material hoppers, storage tanks, conveyor sections or chutes, and pumps.
- Thread strapping through strapping tools and secure battens with strapping to form protective pallets around extrusions.
- Contact workers in work stations or other departments to request movement of materials, products, or machinery, or to notify them of incoming shipments and their estimated delivery times.
- Join sections of conveyor frames at temporary working areas, and connect power units.
- Manipulate controls, levers, and valves to start pumps, auxiliary equipment, or conveyors, and to adjust equipment positions, speeds, timing, and material flows.
- Attach hoses and operate pumps to transfer substances to and from liquid cargo tanks.
- Tie barges together into tow units for tugboats to handle, inspecting barges periodically during voyages and disconnecting them when destinations are reached.
- Handle lines to moor vessels to wharfs, to tie up vessels to other vessels, or to rig towing lines.
- Read pressure and temperature gauges or displays and record data in engineering logs.
- Stand watch in ships' bows or bridge wings to look for obstructions in a ship's path or to locate navigational aids, such as buoys or lighthouses.
- Maintain government-issued certifications, as required.
- Examine machinery to verify specified pressures or lubricant flows.
- Maintain a ship's engines under the direction of the ship's engineering officers.
- Break out, rig, and stow cargo-handling gear, stationary rigging, or running gear.
- Lubricate machinery, equipment, or engine parts, such as gears, shafts, or bearings.
- Lower and man lifeboats when emergencies occur.
- Sweep, mop, and wash down decks to remove oil, dirt, and debris, using brooms, mops, brushes, and hoses.
- Splice and repair ropes, wire cables, or cordage, using marlinespikes, wire cutters, twine, and hand tools.
- Load or unload materials, vehicles, or passengers from vessels.
- Chip and clean rust spots on decks, superstructures, or sides of ships, using wire brushes and hand or air chipping machines.
- Provide engineers with assistance in repairing or adjusting machinery.
- Operate, maintain, or repair ship equipment, such as winches, cranes, derricks, or weapons system.
- Paint or varnish decks, superstructures, lifeboats, or sides of ships.
- Give directions to crew members engaged in cleaning wheelhouses or quarterdecks.
- Stand by wheels when ships are on automatic pilot, and verify accuracy of courses, using magnetic compasses.
- Steer ships under the direction of commanders or navigating officers or direct helmsmen to steer, following designated courses.
- Relay specified signals to other ships, using visual signaling devices, such as blinker lights or semaphores.
- Overhaul lifeboats or lifeboat gear and lower or raise lifeboats with winches or falls.
- Stand gangway watches to prevent unauthorized persons from boarding ships while in port.
- Record data in ships' logs, such as weather conditions or distances traveled.
- Measure depth of water in shallow or unfamiliar waters, using leadlines, and telephone or shout depth information to vessel bridges.
- Clean and polish wood trim, brass, or other metal parts.
- Participate in shore patrols.
- Attach hoses and operate pumps to transfer substances to and from liquid cargo tanks.
