Apprenticeship

Apprenticeships within the Construction Industry

In an apprentice program you work and earn a steady income while you learn your craft. Your training combines what you learn every day on the job with the learning you get from scheduled classroom sessions.

Find Apprenticeships

Here is a list of occupations in the construction industry with apprenticeship opportunities:

 Acoustical carpenter  Find Apprenticeships

Mounts acoustical tile to walls and ceilings of buildings to reduce reflection of sound and to decorate rooms. Measures and marks surface to lay out work, according to blueprints and drawings. Inspects furrings, mechanical mountings, and masonry surface for plumbness and level, using spirit or water level. Nails or screws molding to wall to support and seal joint between ceiling tile and wall. Scribes and cuts edges of tile to fit wall where wall molding is not specified. Mounts tiles, using any of following methods: (1) Applies cement to back of tile and presses tile into place, aligning with layout marks and joints of previously laid tile. (2) Nails channels or wood furring strips to surfaces to provide mounting for tile. Places building paper between tile and furring strip preparatory to application of butt-edge tile. Nails, screws, or staples tile to wooden furring strips. (3) Hangs dry lines (stretched string) to wall molding to guide positioning of main runners. Drives hanger inserts into reinforced concrete ceiling, using power fastening tool, and suspends and bends hanger wires at points touching dry lines. Threads wires through holes in main runners, and cuts and attaches cross supports to suspended runners and wall molding, using snips, clips, and rivet gun. Cuts tiles for fixtures and borders, using keyhole saw, and inserts tiles into supporting framework. May wash concrete surfaces with washing soda and zinc sulfate solution before mounting tile to increase adhesive qualities of surfaces.

 Bricklayer (construction)  Find Apprenticeships

Lays building materials, such as brick, structural tile, and concrete cinder, glass, gypsum, and terra cotta block (except stone) to construct or repair walls, partitions, arches, sewers, and other structures. Measures distance from reference points and marks guidelines on working surface to lay out work. Spreads soft bed (layer) of mortar that serves as base and binder for block, using trowel. Applies mortar to end of block and positions block in mortar bed. Taps block with trowel to level, align, and embed in mortar, allowing specified thickness of joint. Removes excess mortar from face of block, using trowel. Finishes mortar between brick with pointing tool or trowel. Breaks bricks to fit spaces too small for whole brick, using edge of trowel or brick hammer. Determines vertical and horizontal alignment of courses, using plumb bob, gauge line (tightly stretched cord), and level. Fastens brick or terra cotta veneer to face of structures, with tie wires embedded in mortar between bricks, or in anchor holes in veneer brick. May weld metal parts to steel structural members. May apply plaster to walls and ceiling, using trowel, to complete repair work [PLASTERER (construction)]. May be designated according to material used as Cinder-Block Mason (construction); Concrete-Block Mason (construction); Terra-Cotta Mason (construction); or work performed as Bricklayer, Maintenance (any industry). When specializing in construction of specified structures, is designated according to specialty as Bricklayer, Sewer (construction); Chimney Builder, Brick (construction). May be designated: Block Setter, Gypsum (construction); Hollow-Tile-Partition Erector (construction); Plaster-Block Layer (construction); Silo Erector (construction).

 Cabinetmaker  Find Apprenticeships

Sets up and operates variety of woodworking machines and uses various handtools to fabricate and repair wooden cabinets and high-grade furniture: Studies blueprints or drawings of articles to be constructed or repaired, and plans sequence of cutting or shaping operations to be performed. Marks outline or dimensions of parts on paper or lumber stock, according to blueprint or drawing specifications. Matches materials for color, grain, or texture. Sets up and operates woodworking machines, such as power saws, jointer, mortiser, tenoner, molder, and shaper, to cut and shape parts from woodstock. Trims component parts of joints to ensure snug fit, using handtools, such as planes, chisels, or wood files. Bores holes for insertion of screws or dowels by hand or using boring machine. Glues, fits, and clamps parts and subassemblies together to form complete unit, using clamps or clamping machine. Drives nails or other fasteners into joints at designated places to reinforce joints. Sands and scrapes surfaces and joints of articles to prepare articles for finishing. May repair high-grade articles of furniture. May dip, brush, or spray assembled articles with protective or decorative materials, such as stain, varnish, or paint. May install hardware, such as hinges, catches, and drawer pulls. May repair furniture, equipment, and fixtures and be designated Cabinetmaker, Maintenance (woodworking). May be designated according to products made as Piano-Case Maker (musical inst.). May cut, shape, and assemble wooden parts to construct frames for refrigeration equipment and be designated Refrigerator Cabinetmaker (svc. ind. mach.).

 Cable installer repairer  Find Apprenticeships

Installs and repairs underground conduit and cable systems used to conduct electrical energy between substations and consumers. Installs and repairs conduits following blueprints. Pulls cables through ducts [CABLE PULLER (construction; utilities)]. Splices cables together or to overhead transmission line, customer service line, or street light line [CABLE SPLICER (construction; tel. & tel.; utilities)]. Installs and repairs transformers, fuse boxes, bus bars, relays, and other electrical equipment in manhole and underground substations [UNDERGROUND REPAIRER (utilities)] according to wiring diagrams and specifications. Reinsulates or replaces worn cables and wires. Tests electric cables and equipment wiring to detect broken circuits or incorrect connections, using test lamp, voltmeter, ammeter, and thermocouple indicator.

 Cable television installer  Find Apprenticeships

Access specific areas to string lines and install terminal boxes, auxiliary equipment, and appliances, using bucket trucks, or by climbing poles and ladders or entering tunnels, trenches, or crawl spaces. Inspect and test lines and cables, recording and analyzing test results, to assess transmission characteristics and locate faults and malfunctions. Install equipment such as amplifiers and repeaters in order to maintain the strength of communications transmissions. Lay underground cable directly in trenches, or string it through conduits running through trenches. Measure signal strength at utility poles, using electronic test equipment. Place insulation over conductors, and seal splices with moisture-proof covering. Pull up cable by hand from large reels mounted on trucks; then pull lines through ducts by hand or with winches. Set up service for customers, installing, connecting, testing, and adjusting equipment. Splice cables, using hand tools, epoxy, or mechanical equipment. String cables between structures and lines from poles, towers, or trenches and pull lines to proper tension.

 Cable splicer  Find Apprenticeships

Splices overhead, underground, or submarine multiple-conductor cables used in telephone and telegraph communication and electric-power transmission systems. Climbs utility poles or towers, utilizes truck-mounted lift bucket, or descends into sewers and underground vaults where cables are located. Cuts lead sheath from installed cable to gain access to defective cable connections, using hacksaw. Cuts and peels lead sheath and insulation from newly installed cables and conductors preparatory to splicing. Tests (traces or phases-out) each conductor to identify corresponding conductors in adjoining cable sections, according to electrical diagrams and specifications, to prevent incorrect connections between individual communication circuits or electric power circuits, using test lamp or bell system. Cleans, tins, and splices corresponding conductors by twisting ends together or by joining ends with metal clips and soldering each connection. Covers conductors with insulating or fireproofing materials. Fits lead sleeve around cable joint and wipes molten lead into joints between sleeve and cable sheath to produce moisture-proof joint. Fills completed sleeve with insulating oil. May work on energized circuits to avoid interruption of service. May locate and repair leaks in pressurized cable. May work on board marine craft when splicing underwater cable and be designated Jointer, Submarine Cable (tel. & tel.; utilities).

 Carpenter  Find Apprenticeships

Constructs, erects, installs, and repairs structures and fixtures of wood, plywood, and wallboard, using carpenter's hand tools and power tools, and conforming to local building codes: Studies blueprints, sketches, or building plans for information pertaining to type of material required, such as lumber or fiberboard, and dimensions of structure or fixture to be fabricated. Selects specified type of lumber or other materials. Prepares layout, using rule, framing square, and calipers. Marks cutting and assembly lines on materials, using pencil, chalk, and marking gauge. Shapes materials to prescribed measurements, using saws, chisels, and planes. Assembles cut and shaped materials and fastens them together with nails, dowel pins, or glue. Verifies trueness of structure with plumb bob and carpenter's level. Erects framework for structures and lays sub flooring. Builds stairs and lays out and installs partitions and cabinet work. Covers sub floor with building paper to keep out moisture and lays hardwood, parquet, and wood-strip-block floors by nailing floors to sub floor or cementing them to mastic or asphalt base. Applies shock-absorbing, sound-deadening, and decorative paneling to ceilings and walls. Fits and installs prefabricated window frames, doors, doorframes, weather stripping, interior and exterior trim, and finish hardware, such as locks, letter drops, and kick plates. Constructs forms and chutes for pouring concrete. Erects scaffolding and ladders for assembling structures above ground level. May weld metal parts to steel structural members. When specializing in a particular phase of carpentry, the designation is according to a specialty such as Combination-Window Installer (construction); Lay-Out Carpenter (construction). When specializing in finish carpentry, such as installing interior and exterior trim, building stairs, and laying hardwood floors, the designation is Finish Carpenter (construction). When erecting frame buildings and performing general carpentry work in residential construction, the designation is House Carpenter (construction). May remove and replace sections of structures prior to and after installation of insulating materials and be designated Building-Insulating Carpenter (construction; retail trade). May perform carpentry work in construction of walk-in freezers and environmental test chambers and be designated Carpenter, Refrigerator (svc. industry mach.). May be designated: Door Hanger (construction); Finished-Hardware Erector (construction); Garage-Door Hanger (construction); Hardwood-Floor Installer (construction); Jalousie Installer (construction); Stair Builder (construction); Trim Setter (construction); Weather Stripper (construction); Wood-Sash-And-Frame Carpenter (construction); Wood-Strip-Block Floor Installer (construction).

 Carpenter, maintenance  Find Apprenticeships

Constructs and repairs structural woodwork and equipment in establishment, working from blueprints, drawings, or oral instructions: Builds, repairs, and installs counters, cabinets, benches, partitions, floors, doors, building framework, and trim, using carpenter's hand tools and power tools. Installs glass in windows, doors, and partitions. Replaces damaged ceiling tile, floor tile, and wall coverings. May build cabinets and other wooden equipment in carpenter shop, using woodworking machines, such as saws, shaper, and jointer [CABINETMAKER (woodworking) 660.280-010]. May install items, such as window shades, venetian blinds, and curtain rods, wall fans, and door locks for tenants. May be designated according to place at which work is performed as Carpenter, Mine (mine & quarry); or according to specific items made or maintained as Flume Maker (mine & quarry); Frame Maker (leather mfg.); Meat-Cutting-Block Repairer (any industry).

 Carpenter, piledriver  Find Apprenticeships

Sets up power and hand tools necessary to prepare specific pilings. Lay out from blueprints and/or site plans the exact location of where the pilings will be driven. Prepares the piling to be driven, and assists in positioning and driving the piling. Dresses and caps the pilings after having been driven, and prepares them to receive the superstructure. Performs site preparation for installation of various concrete and wood structures. Builds the form work for concrete structure, and constructs the timber fasework for all kinds of structures. May perform light framing and finish work.

 Cement mason  Find Apprenticeships

Smoothes and finishes surfaces of poured concrete floors, walls, sidewalks, or curbs to specified textures, using hand tools or power tools, including floats, trowels, and screeds. Signals concrete deliverer to position truck to facilitate pouring concrete. Moves discharge chute of truck to direct concrete into forms. Spreads concrete into inaccessible sections of forms, using rake or shovel. Levels concrete to specified depth and workable consistency, using hand held screed and floats to bring water to surface and produce soft topping. Smoothes, and shapes surfaces of freshly poured concrete, using straightedge and float or power screed. Finishes concrete surfaces, using power trowel, or wets and rubs concrete with abrasive stone to impart finish. Removes rough or defective spots from concrete surfaces, using power grinder or chisel and hammer, and patches holes with fresh concrete or epoxy compound. Molds expansion joints and edges, using edging tools, jointers, and straightedge. May sprinkle colored stone chips, powdered steel, or coloring powder on concrete to produce prescribed finish. May produce rough concrete surface, using broom. May mix cement, using hoe or concrete-mixing machine. May direct sub grade work, mixing of concrete, and setting of forms. May specialize in finishing steps and stairways and be designated Step Finisher (construction). May break up and repair old concrete surfaces, using pneumatic tools, and be designated Cement Mason, Maintenance (any industry). May spread premixed cement over deck, inner surfaces, joints, and crevices of ships and be designated Cementer (ship-boat mfg.).

 Construction craft laborer  Find Apprenticeships

Performs any combination of duties involving highway or building construction, environmental restoration, tunnel and shaft construction and demolition projects, utilizing specialized training and knowledge of craft skills and handling of hazardous materials. Clears and prepares sites, right-of-ways, and foundations for cementitious and asphaltic products and structures, using hand and power tools such as shovels, rakes, gas and diesel powered cutting and compacting equipment, so the final site conforms exactly to grade, size, and location specifications in blueprints or plans.

 Drafter, architect 

Prepares detailed drawings of architectural designs and plans for buildings, according to specifications, sketches, and rough drafts provided by ARCHITECT

 Dry wall applicator  Find Apprenticeships

Installs plasterboard or other wallboard to ceiling and interior walls of building, using hand tools and portable power tools. Installs horizontal and vertical metal or wooden studs for attachment of wallboard on interior walls, using hand tools. Cuts angle iron and channel iron to specified size, using hacksaw, and suspends angle iron grid and channel iron from ceiling, using wire. Scribes measurements on wallboard, using straightedge and tape measure, and cuts wallboard to size, using knife or saw. Cuts out openings for electrical and other outlets, using knife or saw. Attaches wallboard to wall and ceiling supports, using glue, nails, screws, hammer, or powered screwdriver. Trims rough edges from wallboard to maintain even joints, using knife. Nails prefabricated metal pieces around windows and doors and between dissimilar materials to protect drywall edges. Work is usually performed with other workers. May remove plaster, drywall, or paneling during renovation project, using crowbar and hammer.

 Electric meter installer i  Find Apprenticeships

Installs, disconnects, removes, and reconnects electric power meters used to record current consumption of residential, commercial, and industrial customers. Splices and connects covered insulated cable to bus bar in pull box or on switchboard. Mounts meter, and other electric equipment for high load installations, such as time clocks, transformers, and circuit breakers, on racks or wall, using electrician hand tools. Installs and connects cable from pull box to meter socket or transformer. Attaches color-coded wires from current transformer to test blocks and from test blocks to meter terminals for testing purposes. Tests meter for current flow and recording of current consumption. Disconnects and seals meter on cut-off order or removes seal and reconnects meter on cut-in orders. Removes, replaces, and reconnects meters when current consumption is too high for existing installation. Installs temporary service meter for recording current consumption during construction. Splices and connects jumper cables from current transformer onto bus bar on switchboard to provide temporary power for customer during change of meter and cables or when customer's service equipment is defective. Records meter and installation data on meter cards, work orders, and field service orders. Locates, diagnoses, and clears electrical trouble on customers' premises. Performs minor repairs and changes faulty or incorrect wiring on customer's premises. May be designated according to specialty as Meter Installer-And-Remover (utilities).

 Electric meter repairer  Find Apprenticeships

Inspects, adjusts, and repairs electric meters used for recording electric current consumption. Disassembles defective meters, using hand tools. Examines parts of meter for wear and detects warped or bent parts, using straightedge. Soaks electric parts in chemical solutions to clean parts. Removes dirt from other parts, using brushes, sandpaper, and soap and water. Reassembles meter, using new or repaired parts. Turns setscrews or makes other adjustments required to bring meter accuracy within prescribed limits. May test meters for accuracy [ELECTRIC-METER TESTER (utilities)] or for correctness of assembly and dielectric strength, using testing apparatus. May repair demand register mechanism of demand meters. May repair such electric components as instrument transformers and relays. May install meters.

 Electrician  Find Apprenticeships

Plans layout, installs, and repairs wiring, electrical fixtures, apparatus, and control equipment. Plans new or modified installations to minimize waste of materials, provide access for future maintenance, and avoid unsightly, hazardous, and unreliable wiring, consistent with specifications and local electrical codes. Prepares sketches showing location of wiring and equipment, or follows diagrams or blueprints, ensuring that concealed wiring is installed before completion of future walls, ceilings, and flooring. Measures, cuts, bends, threads, assembles, and installs electrical conduit, using tools, such as hacksaw, pipe threader, and conduit bender. Pulls wiring through conduit, assisted by ELECTRICIAN HELPER (any industry) 829.684-022. Splices wires by stripping insulation from terminal leads, using knife or pliers, twisting or soldering wires together, and applying tape or terminal caps. Connects wiring to lighting fixtures and power equipment, using hand tools. Installs control and distribution apparatus, such as switches, relays, and circuit-breaker panels, fastening in place with screws or bolts, using hand tools and power tools. Connects power cables to equipment, such as electric range or motor, and installs grounding leads. Tests continuity of circuit to ensure electrical compatibility and safety of components, using testing instruments, such as ohmmeter, battery and buzzer, and oscilloscope. Observes functioning of installed equipment or system to detect hazards and need for adjustments, relocation, or replacement. May repair faulty equipment or systems [ELECTRICIAN, MAINTENANCE (any industry) 829.261-018]. May be required to hold license. May cut and weld steel structural members, using flame-cutting and welding equipment. May be designated according to work location as Mine Electrician (mine & quarry).

 Electrician (maintenance)  Find Apprenticeships

Installs and repairs electrical systems, apparatus, and electrical and electronic components of industrial machinery and equipment, following electrical code, manuals, schematic diagrams, blueprints, and other specifications, using hand tools, power tools, and electrical and electronic test equipment. Installs power supply wiring and conduit for newly installed machines and equipment, such as robots, conveyors, and $T3 programmable controllers $T1, following electrical code and blueprints, using hand tools and voltage tester. Connects power supply wires to machines and equipment, and connects cables and wires between machines and equipment, following manuals, schematic diagrams, and blueprints, using hand tools and test equipment. Diagnoses malfunctioning apparatus, such as transformers, motors, and lighting fixtures, using test equipment, and replaces damaged or broken wires and cables, using hand tools. Tests malfunctioning machinery, using test equipment, and discusses malfunction with other maintenance workers, such as MACHINE REPAIRER, MAINTENANCE (any industry) 638.261-030 and TOOL MAKER, MAINTENANCE (machine shop) 601.280-042, to diagnose malfunction. Replaces faulty electrical components of machine, such as relays, switches, and motors, and positions sensing devices, using hand tools. Diagnoses and repairs or replaces faulty electronic components, such as printed circuit boards [ELECTRONICS TESTER (any industry) 726.261-018], using electronic test equipment and hand tools. Replaces electric motor bearings and rewires motors. May push buttons and press keys on robot controller, T3 teach pendant, T1 and programmable controller to program automated machinery, such as robots, to operate automated machinery, to test for malfunctions, and to verify repairs. May plan layout of wiring and install wiring, conduit, and electrical apparatus in buildings [ELECTRICIAN (construction) 824.261-010]. May diagnose and replace faulty mechanical, hydraulic, and pneumatic components of machines and equipment. May be required to hold electrician's license. May be designated according to equipment repaired as Circuit-Breaker Mechanic (utilities); Electrician, Crane Maintenance (any industry); Electrician, Rectifier Maintenance (utilities); Salvage Repairer (utilities) I; Time Clock Repairer (elec. equip.); Transformer-Coil Winder (utilities); or according to work location as Electrician, Machine Shop (machine shop); Electrician, Refinery (petrol. refin.); Underground Repairer (utilities). May be designated: Watch Electrician (tel. & tel.); Wirer, Maintenance (utilities).

 Electrician (powerhouse)  Find Apprenticeships

Repairs and maintains electrical equipment in generating station or powerhouse. Tests defective equipment to determine cause of malfunction or failure, using voltmeters, ammeters, and related electrical testing apparatus. Notifies plant personnel of necessary equipment downtime requiring changes from normal generating and transmission equipment operation to maintain uninterrupted service. Repairs and replaces equipment, such as relays, switches, supervisory controls, and indicating and recording instruments. Tests and repairs switchboard and equipment circuitry, interpreting wiring diagrams to trace and connect numerous wires carrying current for independent functions. Cleans and repairs brushes, commutators, windings, and bearings of generators, motors, and converters. May test and maintain transmission equipment, performing such duties as oiling circuit breakers and transformers [ELECTRICIAN, SUBSTATION (utilities)].

 Electrician (substation)  Find Apprenticeships

Inspects, tests, and maintains substation electrical equipment, such as oil circuit breakers and transformers. Inspects and tests equipment to detect malfunctioning and determine resistance and load, using voltmeter and ammeter. Tests insulators and bushings of equipment for power leakage by imposing specified voltage on insulation through testing apparatus and calculating insulation loss. Tests oil in circuit breakers and transformers for dielectric strength [TRANSFORMER TESTER (utilities)]. Repairs or rebuilds oil circuit breakers, transformers, and lightning arrestors by replacing worn parts. Disconnects voltage regulators for removal by other workers by loosening bolts and screws and connects replacement regulator to high-voltage line. Periodically replenishes oil in circuit breakers and transformers not needing repair. Inspects switches before repairing or replacing equipment to ensure power cutoffs. Does not repair electrical machinery, such as generators and converters [ELECTRICIAN, POWERHOUSE (utilities)]. May set forms and pour concrete footings for heavy equipment installation. May paint, repair, and maintain substation buildings.

 Elevator constructor  Find Apprenticeships

Assembles and installs electric and hydraulic freight and passenger elevators, escalators, and dumbwaiters, determining layout and electrical connections from blueprints. Studies blueprints and lays out location of framework, counterbalance rails, motor pump, cylinder, and plunger foundations. Drills holes in concrete or structural steel members with portable electric drill. Secures anchor bolts or welds brackets to support rails and framework, and verifies alignment with plumb bob and level. Cuts prefabricated sections of framework, rails, and other elevator components to specified dimensions, using acetylene torch, power saw, and disk grinder. Installs cables, counterweights, pumps, motor foundations, escalator drives, guide rails, elevator cars, and control panels, using hand tools. Connects electrical wiring to control panels and electric motors. Installs safety and control devices. Positions electric motor and equipment on top of elevator shaft, using hoists and cable slings. May be designated according to type of equipment installed as Elevator Constructor, Electric (construction); Elevator Constructor, Hydraulic (construction); Escalator Constructor (construction).

 Form builder (construction)  Find Apprenticeships

Constructs built-in-place or prefabricated wooden forms, according to specifications, for molding concrete structures. Studies blueprints and diagrams to determine type and dimension of forms to be constructed. Saws lumber to blueprint dimensions, using handsaw or power saw, and nails lumber together to make form panels. Erects built-in-place forms or assembles and installs prefabricated forms on construction site according to blueprint specifications, using hand tools, plumb rule, and level. Inserts spreaders and tie rods between opposite faces of form to maintain specified dimensions. Anchors and braces forms to fixed objects, using nails, bolts, anchor rods, steel cables, planks, and timbers.

 Glazier  Find Apprenticeships

Installs glass in windows, skylights, store fronts, and display cases, or on surfaces, such as building fronts, interior walls, ceilings, and tabletops. Marks outline or pattern on glass, and cuts glass, using glasscutter. Breaks off excess glass by hand or with notched tool. Fastens glass panes into wood sash with glazier's points, and spreads and smoothes putty around edge of panes with knife to seal joints. Installs mirrors or structural glass on building fronts, walls, ceilings, or tables, using mastic, screws, or decorative molding. Bolts metal hinges, handles, locks, and other hardware to prefabricated glass doors. Sets glass doors into frame and fits hinges. May install metal window and door frames into which glass panels are to be fitted. May press plastic adhesive film to glass or spray glass with tinting solution to prevent light glare. May install stained glass windows. May assemble and install metal-framed glass enclosures for showers and be designated Shower-Enclosure Installer (construction). May be designated according to type of glass installed as Glazier, Structural Glass (construction); Plate-Glass Installer (construction).

 Heating & air-conditioner installation-service  Find Apprenticeships

Installs, services, and repairs environmental control systems in residences, department stores, office buildings, and commercial establishments, utilizing knowledge of refrigeration theory, pipefitting, and structural layout. Mounts compressor and condenser units on platform or floor, using hand tools, following blueprints or engineering specifications. Fabricates, assembles, and installs ductwork and chassis parts, using portable metalworking tools and welding equipment [DUCT INSTALLER (construction; mfd. buildings.) 869.664-014]. Installs evaporator unit in chassis or in air duct system, using hand tools. Cuts and bends tubing to correct length and shape, using cutting and bending equipment and tools. Cuts and threads pipe, using machine-threading or hand-threading equipment. Joins tubing or pipe to various refrigerating units by means of sleeves, couplings, or unions, and solders joints, using torch, forming complete circuit for refrigerant [PIPE FITTER (construction) 862.281-018]. Installs expansion and discharge valves in circuit. Connects motors, compressors, temperature controls, humidity controls, and circulating-ventilation fans to control panels and connects control panels to power source [ELECTRICIAN (construction) 824.261-010]. Installs air and water filters in completed installation. Injects small amount of refrigerant into compressor to test systems, and adds Freon gas to build up prescribed operating pressure. Observes pressure and vacuum gauges and adjusts controls to ensure efficient operation. Tests joints and connections for gas leaks, using gauges or soap-and-water solution. Wraps pipes in insulation batting and secures them in place with cement or wire bands. Replaces defective breaker controls, thermostats, switches, fuses, and electrical wiring to repair installed units, using electrician's hand tools and test equipment. May install, repair, and service air-conditioners, ranging from fifteen to twenty tons cooling capacity, in warehouses and factory buildings and be designated Air-Conditioning Mechanic, Industrial (any industry).

 Heat transfer technician  Find Apprenticeships

Prepare parts sketches and write work orders and purchase requests to be furnished by outside contractors. Draft detail drawing or sketch for drafting room completion or to request parts fabrication by machine, sheet or wood shops. Review project instructions and blueprints to ascertain test specifications, procedures, and objectives, and test nature of technical problems, such as redesign. Review project instructions and specifications to identify, modify and plan requirements fabrication, assembly and testing. Devise, fabricate, and assemble new or modified mechanical components for products, such as industrial machinery or equipment, and measuring instruments. Discuss changes in design, method of manufacture and assembly, and drafting techniques and procedures with staff and coordinate corrections. Set up and conduct tests of complete units and components under operational conditions to investigate proposals for improving equipment performance. Inspect lines and figures for clarity and return erroneous drawings to designer for correction. Analyze test results in relation to design or rated specifications and test objectives, and modify or adjust equipment to meet specifications. Evaluate tool drawing designs by measuring drawing dimensions and comparing with original specifications for form and function, using engineering skills.

 Insulation worker  Find Apprenticeships

Applies insulating material to exposed surfaces of structures, such as air ducts, hot and cold pipes, storage tanks, and cold storage rooms. Reads blueprints and selects required insulation material (in sheet, tubular, or roll form), such as fiberglass, foam rubber, styrofoam, cork, or urethane, based on material's heat retaining or excluding characteristics. Brushes adhesives on or attaches metal adhesive-backed pins to flat surfaces as necessary to facilitate application of insulation material. Measures and cuts insulation material to specified size and shape for covering flat or round surfaces, using tape measure, knife, or scissors. Fits, wraps, or attaches required insulation material around or to structure, following blueprint specifications. Covers or seals insulation with preformed plastic covers, canvas strips, sealant, or tape to secure insulation to structure, according to type of insulation used and structure covered, using staple gun, trowel, paintbrush, or caulking gun.

 Lather  Find Apprenticeships

Fastens wooden, metal, or rock board lath to walls, ceilings, and partitions of buildings to provide supporting base for plaster, fireproofing, or acoustical material, using hand tools and portable power tools. Erects horizontal metal framework to which laths are fastened, using nails, bolts, and stud gun. Drills holes in floor and ceiling, using portable electric tool, and drives ends of wooden or metal studs into holes to provide anchor for furring or rock board lath. Wires horizontal strips to furring to stiffen framework. Cuts lath to fit openings and projections, using hand tools or portable power tools. Wires, nails, clips, or staples lath to framework, ceiling joists, and flat concrete surfaces. Bends metal lath to fit corners, or attaches preformed corner reinforcements. Wires plasterer's channels to overhead structural framework to provide support for plaster or acoustical ceiling tile. May install metal casings around openings, metal window stools, and metal trim and plaster grounds (wood or metal strips) nailed to studding to provide guide for PLASTERER (construction). May weld metal frame supports to steel structural members. May be designated according to type of lath applied as Metal Lather (construction); Rock board Lather (construction); Wood Lather (construction); or according to task performed as Metal Furrer (construction).

 Line erector  Find Apprenticeships

Erects, maintains, and repairs wood poles and prefabricated light-duty metal towers, cable, and related equipment to construct transmission and distribution power lines used to conduct electrical energy between generating stations, substations, and consumers. Directs and assists GROUND HELPERS (tel. & tel.; utilities) in attaching crossarms, insulators, lightning arresters, switches, wire conductors, and auxiliary equipment to poles preparatory to erection, as instructed by LINE SUPERVISOR (utilities), and assists in erection of poles or towers and adjustment of guy wires. Climbs erected poles or towers and installs equipment, such as transformers, which are ordinarily installed after poles are erected. Strings wire conductors between erected poles with assistance of GROUND HELPERS (tel. & tel.; utilities) and adjusts slack in conductors to compensate for contraction and elongation of conductors due to temperature variations, using winch. Splices, solders, and insulates conductors and related wiring to join sections of power line, and to connect transformers and electrical accessories. May trim trees and brush prior to new construction, during repair of damaged lines, or as part of routine maintenance [TREE TRIMMER (tel. & tel.; utilities)].

 Line installer - repairer  Find Apprenticeships

Installs and repairs telephone and telegraph lines, poles, and related equipment, according to diagrams, and using electrician's hand tools. Digs holes, using power auger or shovel, hoists poles upright in holes, using truck-mounted winch, and fills and tamps holes, using cement, earth, and tamping device. Ascends poles or enters tunnels and sewers to cut in feeder lines, attach appliances, such as terminal boxes and repeaters, and repair or replace defective lines and auxiliary equipment. Unreels and strings lines from pole to pole and from pole to building, installs hardware, such as conduits and insulators, and attaches appliances on lines. Pulls lines through ducts by hand or with use of winch. When assisting in installation and removal of plant equipment, such as call boxes and clocks, in city locations, may be designated Line Installer-Repairer, City (tel. & tel.). When patrolling telephone lines between communities, may be designated Toll-Line Repairer (tel. & tel.). When patrolling telephone or telegraph lines between two established points or in designated areas, may be designated Line Maintainer, Section (tel. & tel.).

 Line maintainer  Find Apprenticeships

Installs, maintains, and repairs telephone and telegraph and electrical power lines between installations of industrial plant. Directs workers in setting poles. Climbs poles and installs hardware, lightning arresters, telephone repeaters, telephone and telegraph wires, and other equipment [LINE INSTALLER-REPAIRER (tel. & tel.)]. Installs electrical power cables and auxiliary equipment [LINE ERECTOR (construction; utilities)]. Makes repairs and replacements to maintain lines. May be designated according to area of operations as Line Maintainer, District (any industry).

 Machinist (wood)  Find Apprenticeships

Sets up and operates variety of woodworking machines to surface, cut, and shape lumber, and to fabricate parts for wood products, such as doors, door and window frames, furniture, and sashes, according to specifications: Selects, installs, and adjusts saw blades, cutterheads, boring bits, and sanding belts in respective machines, using handtools and rule. Starts machine and makes trial cut. Operates machines to saw [CUT-OFF-SAW OPERATOR (woodworking) I 667.682-022; RIPSAW OPERATOR (woodworking) 667.682-066; VARIETY-SAW OPERATOR (woodworking) 667.682-086]; to smooth and shape lumber and wood parts [PLANER OPERATOR (woodworking) 665.682-022; SHAPER OPERATOR (woodworking) 665.682-034]; to cut tenons and mortises in woodstock [TENONER OPERATOR (woodworking) 669.382-018; MORTISING-MACHINE OPERATOR (woodworking) 665.482-014]; to bore holes [BORING-MACHINE OPERATOR (woodworking) 666.382-010]; to cut slots, grooves, and designs in woodstock [ROUTER OPERATOR (woodworking) 665.682-030]; and to sand lumber, woodstock, and parts [MOLDING SANDER (woodworking) 662.682-010; CYLINDER-SANDER OPERATOR (woodworking) 662.685-014; SANDER, MACHINE (woodworking) 761.682-014]. Periodically verifies dimensions of parts for adherence to specifications, using gauges and templates. May assemble fabricated parts to make millwork products, such as doors, sashes, and door and window frames. May sharpen machine cutting heads, using handtools and grinder. May be designated according to products as Door Maker (saw. & plan.); Frame Maker (saw. & plan.); Sash Maker (saw. & plan.).

 Maintenance repairer, building  Find Apprenticeships

Repairs and maintains physical structures of commercial and industrial establishments, such as factories, office buildings, apartment houses, and logging and mining constructions, using hand tools and power tools. Replaces defective electrical switches and other fixtures. Paints structures, and repairs woodwork with carpenter's tools. Repairs plumbing fixtures. Repairs plaster and lay brick. Builds sheds and other outbuildings.

 Maintenance repairer, industrial  Find Apprenticeships

Installs, maintains, and repairs machinery, equipment, physical structures, and pipe and electrical systems in commercial or industrial establishments, following specifications, blueprints, manuals, and schematic drawings, using hand tools, power tools, hoist, crane, and measuring and testing instruments. Visually inspects and tests machinery and equipment, using electrical and electronic test equipment. Listens for unusual sounds from machines or equipment to detect malfunction and discusses machine operation variations with supervisors or other maintenance workers to diagnose problem or repair machine. Dismantles defective machines and equipment and installs new or repaired parts, following specifications and blueprints, using precision measuring instruments and hand tools [MACHINE REPAIRER, MAINTENANCE (any industry) 638.261-030]. Cleans and lubricates shafts, bearings, gears, and other parts of machinery, using rags, brushes, and grease gun. Installs and repairs electrical apparatus, such as transformers and wiring, and electrical and electronic components of machinery and equipment [ELECTRICIAN, MAINTENANCE (any industry) 829.261-018]. Lays out, assembles, installs, and maintains pipe systems and related hydraulic and pneumatic equipment, and repairs and replaces gauges, valves, pressure regulators, and related equipment [PIPE FITTER (construction) 862.281-022]. Repairs and maintains physical structure of establishment [MAINTENANCE REPAIRER, BUILDING (any industry) 899.381-010]. May install machinery and equipment according to blueprints and other specifications [MILLWRIGHT (any industry) 638.281-018]. May install, program, or repair automated machinery and equipment, such as robots or $T3programmable controllers.$T1 May set up and operate machine tools, such as lathe, grinder, drill, and milling machine to repair or fabricate machine parts, jigs and fixtures, and tools. May operate cutting torch or welding equipment to cut or join metal parts. May fabricate and repair counters, benches, partitions, and other wooden structures.

 Maintenance technician municipal  Find Apprenticeships

Tends pumps, compressors, and generators to provide power for tools, machinery, and equipment or to heat and move materials such as asphalt. Lubricates, cleans, and repairs machinery, equipment, and tools. Mixes ingredients to create compounds, used to cover or clean surfaces. Loads and unloads trucks and hauls and hoists materials. Erects and disassembles scaffolding, shoring, braces, and other temporary structures. Builds and positions forms for pouring concrete and dismantles forms after use, using saws, hammers, nails, or bolts. Measures, marks, and records openings and distances to lay out area to be graded or to erect building structures. Smooth and finishes freshly poured cement or concrete, using float, trowel, screed, or powered cement finishing tool. Applies caulking compounds by hand or with caulking gun to seal crevices. Positions, joins, aligns, and seals structural components, such as concrete wall sections and pipes.

 Metal fabricator  Find Apprenticeships

Fabricates and assembles structural metal products, such as framework or shells for machinery, ovens, tanks, stacks, and metal parts for buildings and bridges according to job order, verbal instructions, and blueprints: Develops layout and plans sequence of operations, applying knowledge of trigonometry, stock allowances for thickness, machine and welding shrinkage, and physical properties of metal. Locates and marks bending and cutting lines onto workpiece. Sets up and operates fabricating machines, such as brakes, rolls, shears, flame cutters, and drill presses [MACHINE OPERATOR (any industry) I 616.380-018]. Hammers, chips, and grinds workpiece to cut, bend, and straighten metal. Preheats workpieces, using hand torch or furnace. Positions, aligns, fits, and welds together parts [WELDER-FITTER (welding) 819.361-010]. Designs and constructs templates and fixtures. Verifies conformance of workpiece to specifications, using square, ruler, and measuring tape. May fabricate and assemble sheet metal products. May set up and operate machine tools associated with fabricating shops, such as radial drill press, end mill, and edge planer.

 Millwright  Find Apprenticeships

Installs machinery and equipment according to layout plans, blueprints, and other drawings in industrial establishment, using hoists, lift trucks, hand tools, and power tools. Reads blueprints and schematic drawings to determine work procedures. Dismantles machines, using hammers, wrenches, crowbars, and other hand tools. Moves machinery and equipment, using hoists, dollies, rollers, and trucks. Assembles and installs equipment, such as shafting, conveyors, and tram rails, using hand tools and power tools. Constructs foundation for machines, using hand tools and building materials, such as wood, cement, and steel. Aligns machines and equipment, using hoists, jacks, hand tools, squares, rules, micrometers, and plumb bobs. Assembles machines, and bolts, welds, rivets, or otherwise fastens them to foundation or other structures, using hand tools and power tools. May operate engine lathe to grind, file, and turn machine parts to dimensional specifications. May repair and lubricate machines and equipment. May install robot and modify its program, using T3 teach pendant, T1. May perform installation and maintenance work as part of a team of skilled trades workers.

 Mold maker, die-cast & plastic molding  Find Apprenticeships

Lays out, machines, fits, assembles, and finishes metal parts to make and repair dies for die-casting of metal products and metal molds for injection or compression molding of plastic or glass products, analyzing specifications, and applying knowledge of die and mold design and construction. Studies blueprints of product and die or mold, and computes specifications, applying knowledge of shop mathematics and metal die-casting or plastic or glass molding processes and machinery. Plans sequence of operations, visualizing shape of die or mold in reverse of product. Measures, marks, and scribes metal stock to lay out for machining [LAY-OUT WORKER (machine shop)]. Gives machining specifications to TOOL-MACHINE SET-UP OPERATORS (machine shop) or sets up and operates machines, such as horizontal boring mill, engine lathe, profile milling machine, and pantograph machine to machine outer dimensions and contoured cavity of die or mold [TOOL-MACHINE SET-UP OPERATOR (machine shop); PANTOGRAPH-MACHINE SET-UP OPERATOR (machine shop)]. Grinds, files, and sands parts, using files, emery cloth, and powered grinders, to fit parts for assembly and to smooth and finish cavity. Assembles die or mold, using hand tools. Verifies dimensions, using calipers, T3 planer gauges, T1 and dial indicators. May repair molds and be designated Mold Repairer, Die-Casting And Plastic Molding (machine shop).

 Operating engineer  Find Apprenticeships

Operates several types of power construction equipment, such as compressors, pumps, hoists, derricks, cranes, shovels, tractors, scrapers, or motor graders, to excavate, move, and grade earth, erect structural and reinforcing steel, and pour concrete or other hard surface paving materials. Turns valves to control air and water output of compressors and pumps. Adjusts hand wheels and depresses pedals to drive machines and control attachments, such as blades, buckets, scrapers, and swing booms. Repairs and maintains equipment. May operate machinery on sales lot or customer's property to demonstrate saleable features of construction equipment and be designated Demonstrator, Construction Equipment (wholesale tr.).

 Painter (construction)  Find Apprenticeships

Applies coats of paint, varnish, stain, enamel, or lacquer to decorate and protect interior or exterior surfaces, trimmings, and fixtures of buildings and other structures. Reads work order or receives instructions from supervisor or homeowner regarding painting. Smoothes surfaces, using sandpaper, brushes, or steel wool, and removes old paint from surfaces, using paint remover, scraper, wire brush, or blowtorch to prepare surfaces for painting. Fills nail holes, cracks, and joints with caulk, putty, plaster, or other filler, using caulking gun and putty knife. Selects premixed paints, or mixes required portions of pigment, oil, and thinning and drying substances to prepare paint that matches specified colors. Removes fixtures, such as pictures and electric switchcovers, from walls prior to painting, using screwdriver. Spreads drop cloths over floors and room furnishings, and covers surfaces, such as baseboards, door frames, and windows with masking tape and paper to protect surfaces during painting. Paints surfaces, using brushes, spray gun, or paint rollers. Simulates wood grain, marble, brick, or tile effects. Applies paint with cloth, brush, sponge, or fingers to create special effects. Erects scaffolding or sets up ladders to perform tasks above ground level. May be designated according to type of work performed as Painter, Interior Finish (construction); Painter, Maintenance (any industry); or according to type of material used as Calciminer (construction); Varnisher (construction). May also hang wallpaper and fabrics. [PAPERHANGER (construction) 841.381-010]. May wash surfaces prior to painting with mildew remover, using brush.

 Pipe fitter (construction)  Find Apprenticeships

Lays out, assembles, installs, and maintains pipe systems, pipe supports, and related hydraulic and pneumatic equipment for steam, hot water, heating, cooling, lubricating, sprinkling, and industrial production and processing systems, applying knowledge of system operation, and following blueprints. Selects type and size of pipe, and related materials and equipment, such as supports, hangers, and hydraulic cylinders, according to specifications. Inspects work site to determine presence of obstructions and to ascertain that holes cut for pipe will not cause structural weakness. Plans installation or repair to avoid obstructions and to avoid interfering with activities of other workers. Cuts pipe, using saws, pipe cutter, hammer and chisel, cutting torch, and pipe cutting machine. Threads pipe, using pipe threading machine. Bends pipe, using pipe bending tools and pipe bending machine. Assembles and installs variety of metal and nonmetal pipes, tubes, and fittings, including iron, steel, copper, and plastic. Connects pipes, using threaded, caulked, soldered, brazed, fused, or cemented joints, and hand tools. Secures pipes to structure with brackets, clamps, and hangers, using hand tools and power tools. Installs and maintains hydraulic and pneumatic components of machines and equipment, such as pumps and cylinders, using hand tools. Installs and maintains refrigeration and air-conditioning systems, including compressors, pumps, meters, pneumatic and hydraulic controls, and piping, using hand tools and power tools, and following specifications and blueprints. Increases pressure in pipe system and observes connected pressure gauge to test system for leaks. May weld pipe supports to structural steel members. May observe production machines in assigned area of manufacturing facility to detect machinery malfunctions. May operate machinery to verify repair. May modify programs of automated machinery, such as robots and conveyors, to change motion and speed of machine, using T3 teach pendant, T1 control panel, or keyboard and display screen of T3 robot controller T1 and T3 programmable controller T1. May be designated Steam Fitter (construction) when installing piping systems that must withstand high pressure. May be designated according to type of system installed as Pipe Fitter, Ammonia (construction); Pipe Fitter, Fire-Sprinkler Systems (construction); Pipe Fitter, Gas Pipe (construction); or type of piping used as Pipe Fitter, Plastic Pipe (construction); Pipe Fitter, Soft Copper (construction). May be designated: Airdox Fitter (mine & quarry); Freight-Air-Brake Fitter (railroad equip.); Instrument Fitter (construction); Maintainer, Sewer-And-Waterworks (construction); Pipe Fitter, Maintenance (any industry); Pipe Fitter, Welding (construction); Pneumatic-Tube Fitter (construction); Sprinkler-And-Irrigation-System Installer (construction); Tuyere Fitter (steel & rel.).

 Pipe fitter (sprinkler systems)  Find Apprenticeships

Lays out, assembles, installs, and maintains pipe systems, pipe supports, and related hydraulic and pneumatic equipment for sprinkler systems, applying knowledge of system operation, and following blueprints. Selects type and size of pipe, and related materials and equipment, such as supports, hangers, and hydraulic cylinders, according to specifications. Inspects work site to determine presence of obstructions and to ascertain that holes cut for pipe will not cause structural weakness. Plans installation or repair to avoid obstructions and to avoid interfering with activities of other workers. Cuts pipe, using saws, pipe cutter, hammer and chisel, cutting torch, and pipe cutting machine. Threads pipe, using pipe threading machine. Bends pipe, using pipe bending tools and pipe bending machine. Assembles and installs variety of metal and nonmetal pipes, tubes, and fittings, including iron, steel, copper, and plastic. Connects pipes, using threaded, caulked, soldered, brazed, fused, or cemented joints, and hand tools. Secures pipes to structure with brackets, clamps, and hangers, using hand tools and power tools.

 Plasterer  Find Apprenticeships

Applies coats of plaster to interior walls, ceilings, and partitions of buildings, to produce finished surface, according to blueprints, architect's drawings, or oral instructions, using hand tools and portable power tools. Directs workers to mix plaster to desired consistency and to erect scaffolds. Spreads plaster over lath or masonry base, using trowel, and smoothes plaster with darby and float to attain uniform thickness. Applies scratch, brown, or finish coats of plaster to wood, metal, or board lath successively. Roughens undercoat with scratcher (wire or metal scraper) to provide bond for succeeding coats of plaster. Creates decorative textures in finish coat by marking surface of coat with brush and trowel or by spattering surface with pebbles [STUCCO MASON (construction) 842.381-014]. May install lathing [LATHER (construction) 842.361-010]. May mix mortar. May install guide wires on exterior surface of buildings to indicate thickness of plaster to be applied. May install precast ornamental plaster pieces by applying mortar to back of pieces and pressing pieces into place on wall or ceiling and be designated Ornamental-Plaster Sticker (construction). May specialize in applying finish or rough coats of plaster and be designated Plasterer, Finish (construction); Plasterer, Rough (construction). May apply plaster with spray gun and be designated Plasterer, Spray Gun (construction). May perform maintenance work only and be designated Plasterer, Maintenance (construction).

 Plumber  Find Apprenticeships

Assembles, installs, and repairs pipes, fittings, and fixtures of heating, water, and drainage systems, according to specifications and plumbing codes. Studies building plans and working drawings to determine work aids required and sequence of installations. Inspects structure to ascertain obstructions to be avoided to prevent weakening of structure resulting from installation of pipe. Locates and marks position of pipe and pipe connections and passage holes for pipes in walls and floors, using ruler, spirit level, and plumb bob. Cuts openings in walls and floors to accommodate pipe and pipe fittings, using hand tools and power tools. Cuts and threads pipe, using pipe cutters, cutting torch, and pipe-threading machine. Bends pipe to required angle by use of pipe-bending machine or by placing pipe over block and bending it by hand. Assembles and installs valves, pipe fittings, and pipes composed of metals, such as iron, steel, brass, and lead, and nonmetals, such as glass, vitrified clay, and plastic, using hand tools and power tools. Joins pipes by use of screws, bolts, fittings, solder, plastic solvent, and caulks joints. Fills pipe system with water or air and reads pressure gauges to determine whether system is leaking. Installs and repairs plumbing fixtures, such as sinks, commodes, bathtubs, water heaters, hot water tanks, garbage disposal units, dishwashers, and water softeners. Repairs and maintains plumbing by replacing washers in leaky faucets, mending burst pipes, and opening clogged drains. May weld holding fixtures to steel structural members. When specializing in maintenance and repair of heating, water, and drainage systems in industrial or commercial establishments, is designated Plumber, Maintenance (any industry).

 Powerhouse mechanic  Find Apprenticeships

Repair, install, adjust, or maintain industrial production and processing machinery or refinery and pipeline distribution systems. Confers with operators and observes, tests, and evaluates operation of machinery and equipment to diagnose cause of malfunction. Disassembles machinery and equipment to remove parts and make repairs. Repairs, replaces, adjusts, and aligns components of machinery and equipment. Fabricates replacement parts. Test-runs repaired machinery and equipment to verify adequacy of repairs. Cleans and lubricates parts, equipment, and machinery. Examines parts for defects, such as breakage or excessive wear. Welds to repair broken metal parts, fabricate new parts, and assemble new equipment. Records repairs and maintenance performed. Enters codes and instructions to program computer-controlled machinery.

 Power plant operator  Find Apprenticeships

Operates boilers, turbines, generators, and auxiliary equipment at generating plant to produce electricity. Monitors control board and regulates equipment, according to procedures and information obtained from recording and indicating instruments. Adjusts controls of water and cold feed systems, blowers, and igniters to start up or shut down boilers. Controls operation of boiler auxiliary equipment, such as water and vacuum pumps, coal driers and pulverizers, steam condensers, and soot blowers, to ensure efficient operation of boilers. Adjusts boiler controls to provide steam at specified temperature and pressure for turbine loads according to power demands. Adjusts controls to regulate speed, voltage, and phase of incoming turbines to coincide with voltage and phase of power being generated. Synchronizes incoming generating units with units in operation and closes circuit breaker at exact instant of coincidence. Monitors gauges to determine effect of generator load on related equipment, such as $T3bus bars$T1 and voltage regulators. Adjusts transformer controls to regulate flow of power between generating stations and substations. Operates switchgear to regulate and transfer power loads to protect maintenance workers engaged in repairing or cleaning equipment. Records malfunctions of equipment, instruments, or controls on log sheet.

 Pump servicer  Find Apprenticeships

Repairs pumps and pump power units, such as centrifugal and plunger-type pumps, and diesel-engine, gasoline-engine, and electric-motor power units, using hoists and hand tools. Diagnoses trouble in pumps. Dismantles pumps and repairs or replaces defective parts, using hand tools. Reseats and grinds valves. Tests performances of repaired pumps. May wire motor to switchboard and install fuse box. May be designated according to type of pump repaired as Water-Pump Servicer (any industry).

 Refrigeration mechanic  Find Apprenticeships

Installs and repairs industrial and commercial refrigerating systems according to blueprints and engineering specifications, using knowledge of refrigeration, structural layout, and function and design of components. Lays out reference points for installation of structural and functional components, using measuring instruments, such as tape, transit, plumb bob, levels, and square. Drills holes and installs mounting brackets and hangers into floor and walls of building. Lifts and aligns components into position, using hoist or block and tackle. Screws, bolts, rivets, welds, and brazes parts to assemble structural and functional components, such as motors, controls, switches, gauges, wiring harnesses, valves, pumps, compressors, condensers, cores, and pipes. Cuts, threads, and connects pipe to functional components and water or power system of premises [PIPE FITTER (construction) 862.281-018]. Pumps specified gas or fluid into system. Starts system, observes operation, reads gauges and instruments, and adjusts mechanisms, such as valves, controls, and pumps to control level of fluid, pressure, and temperature in system. Dismantles malfunctioning systems and tests components, using electrical, mechanical, and pneumatic testing equipment. Replaces or adjusts defective or worn parts to repair systems. May insulate shells and cabinets of systems. May install wiring to connect components to electric power source. May specialize in installing systems and be designated Refrigeration-System Installer (any industry).

 Reinforcing metal worker  Find Apprenticeships

Positions and secures steel bars in concrete forms to reinforce concrete. Determines number, sizes, shapes, and locations of reinforcing rods from blueprints, sketches, or oral instructions. Selects and places rods in forms, spacing and fastening them together, using wire and pliers. Cuts bars to required lengths, using hacksaw, bar cutters, or acetylene torch. May bend steel rods with hand tools or rod bending machine. May reinforce concrete with wire mesh. May weld reinforcing bars together, using arc-welding equipment.

 Residential carpenter  Find Apprenticeships

Shapes or cuts materials to specified measurements, using hand tools, machines, or power saw. Assembles and fastens materials, using hand tools and wood screws, nails, dowel pins, or glue, to make framework or props. Builds or repairs cabinets, doors, frameworks, floors, and other wooden fixtures used in buildings, using woodworking machines, carpenter's hand tools, and power tools. Installs structures and fixtures, such as windows, frames, floorings, and trim, or hardware, using carpenter's hand and power tools. Fills cracks and other defects in plaster or plasterboard and sands patch, using patching plaster, trowel, and sanding tool. Finishes surfaces of woodworking or wallboard in houses and buildings, using paint, hand tools, and paneling. Removes damaged or defective parts or sections of structure and repairs or replaces, using hand tools. Measures and marks cutting lines on materials, using ruler, pencil, chalk, and marking gauge. Verifies trueness of structure, using plumb bob and level. Studies specifications in blueprints, sketches, or building plans to determine materials required and dimensions of structure to be fabricated.

 Residential wireman  Find Apprenticeships

Installs electrical wiring, equipment, apparatus, and fixtures, using hand tools and power tools. Maintains and repairs or replaces wiring, equipment and fixtures, using hand tools. Plans layout and installation of electrical wiring, equipment and fixtures consistent with specifications and local codes. Inspects systems and electrical parts to detect hazards, defects, and need for adjustments or repair. Tests electrical systems and continuity of circuits in electrical wiring, equipment, and fixtures, using testing devices, such as ohmmeter, voltmeter, and oscilloscope. Diagnoses malfunctioning systems, apparatus, and components, using test equipment and hand tools. Readies and assembles electrical wiring, equipment and fixtures, using specifications and hand tools. Prepares sketches of location of wiring and equipment or follows blueprints to determine location of equipment and conformance to safety codes. Climbs ladder to install, maintain or repair electrical wiring, equipment and fixtures. Constructs and fabricates parts, using hand tools and specifications.

 Roofer  Find Apprenticeships

Covers roofs with roofing materials other than sheet metal, such as composition shingles or sheets, wood shingles, or asphalt and gravel, to waterproof roofs. Cuts roofing paper to size, using knife, and nails or staples it to roof in overlapping strips to form base for roofing materials. Aligns roofing material with edge of roof, and overlaps successive layers, gauging distance of overlap with chalk line, gauge on shingling hatchet, or by lines on shingles. Fastens composition shingles or sheets to roof with asphalt, cement, or nails. Punches holes in slate, tile, terra cotta, or wooden shingles, using punch and hammer. Cuts strips of flashing and fits them into angles formed by walls, vents, and intersecting roof surfaces. When applying asphalt or tar and gravel to roof, mops or pours hot asphalt or tar onto roof base. Applies alternate layers of hot asphalt or tar and roofing paper until roof covering is as specified. Applies gravel or pebbles over top layer, using rake or stiff-bristled broom. May construct and attach prefabricated roof sections to rafters [CARPENTER (construction)]. May attach shingles to exterior walls and apply roofing paper and tar to shower pans, decks, and promenades to waterproof surfaces. When specializing in one type of roofing materials, is designated according to specialty as Aluminum-Shingle Roofer (construction); Asbestos-Shingle Roofer (construction); Asphalt, Tar, And Gravel Roofer (construction); Composition Roofer (construction); Roofer, Gypsum (construction); Slate Roofer (construction); Tile-And-Terra-Cotta Roofer (construction); Wood-Shingle Roofer (construction).

 Safety inspector/technician  Find Apprenticeships

Inspects machinery, equipment, and working conditions in industrial or other setting to ensure compliance with occupational safety and health regulations: Inspects machines and equipment for accident prevention devices. Observes workers to determine use of prescribed safety equipment, such as glasses, helmets, goggles, respirators, and clothing. Inspects specified areas for fire-prevention equipment and other safety and first-aid supplies. Tests working areas for noise, toxic, and other hazards, using decibel meter, gas detector, and light meter. Prepares report of findings with recommendations for corrective action. Investigates accidents to ascertain causes for use in recommending preventive safety measures and developing safety program. May demonstrate use of safety equipment.

 Sheet metal worker  Find Apprenticeships

Plans, lays out, fabricates, assembles, installs, and repairs sheet metal parts, equipment, and products, utilizing knowledge of working characteristics of metallic and nonmetallic materials, machining, and layout techniques, using hand tools, power tools, machines, and equipment. Reads and interprets blueprints, sketches, or product specifications to determine sequence and methods of fabricating, assembling, and installing sheet metal products. Selects gauge and type of sheet metal, such as galvanized iron, copper, steel, or aluminum, or nonmetallic material, such as plastics or fiberglass, according to product specifications. Lays out and marks dimensions and reference lines on material, using scribers, dividers, squares, and rulers, applying knowledge of shop mathematics and layout techniques to develop and trace patterns of product or parts [SHEET-METAL LAY-OUT WORKER (any industry) 809.281-010] or using templates. Sets up and operates fabricating machines, such as shears, brakes, presses, forming rolls, and routers, to cut, bend, block and form, or straighten materials. Shapes metal material over anvil, block, or other form, using hand tools. Trims, files, grinds, deburrs, buffs, and smoothes surfaces, using hand tools and portable power tools. Welds, solders, bolts, rivets, screws, clips, caulks, or bonds component parts to assemble products, using hand tools, power tools, and equipment. Installs assemblies in supportive framework according to blueprints, using hand tools, power tools, and lifting and handling devices. Inspects assemblies and installation for conformance to specifications, using measuring instruments, such as calipers, scales, dial indicators, gauges, and micrometers. Repairs and maintains sheet metal products. May operate computer-aided-drafting (CAD) equipment to develop scale drawings of product or system. May operate laser-beam cutter [LASER-BEAM-MACHINE OPERATOR (welding) 815.682-010] or plasma arc cutter [ARC CUTTER, PLASMA ARC (welding) 816.364-010] to cut patterns from sheet metal. May be designated by type of metal as Coppersmith (any industry); Tinsmith (any industry); or according to type of activity as Fabricator, Special Items (any industry); Model Maker, Sheet-Metal (any industry); Product-Development Worker (any industry); Roofer, Metal (construction); Sheet-Metal Installer (any industry); Sheet-Metal Worker, Maintenance (any industry); Shop Mechanic (any industry).

 Structural-steel worker  Find Apprenticeships

Performs any combination of the following duties to raise, place, and unite girders, columns, and other structural-steel members to form completed structures or structure frameworks, working as member of crew. Sets up hoisting equipment for raising and placing structural-steel members. Fastens steel members to cable of hoist, using chain, cable, or rope. Signals worker operating hoisting equipment to lift and place steel member. Guides member, using tab line (rope) or rides on member in order to guide it into position. Pulls, pushes, or pries steel members into approximate position while member is supported by hoisting device. Forces members into final position, using turnbuckles, crowbars, jacks, and hand tools. Aligns rivet holes in member with corresponding holes in previously placed member by driving drift pins or handle of wrench through holes. Verifies vertical and horizontal alignment of members, using plumb bob and level. Bolts aligned members to keep them in position until they can be permanently riveted, bolted, or welded in place. Catches hot rivets tossed by RIVET HEATER (heat treating) in bucket and inserts rivets in holes, using tongs. Bucks (holds) rivets while RIVETER, PNEUMATIC (any industry) uses air hammer to form heads on rivets. Cuts and welds steel members to make alterations, using oxyacetylene welding equipment. May specialize in erecting or repairing specific types of structures and be designated Bridge-Maintenance Worker (construction); Chimney Builder, Reinforced Concrete (construction); Scaffold Builder, Metal (construction); Structural-Steel-Equipment Erector (construction).

 Substation operator  Find Apprenticeships

Controls equipment, such as current converters, voltage transformers, and circuit breakers, that regulate flow of electricity through substation of electric power system and over distribution lines to consumers: Records readings of switchboard instruments to compile data concerning quantities of electric power used for substation operation and amounts distributed from station. Communicates with LOAD DISPATCHER (utilities) to report amount of electricity received into substation, and to receive switching instructions. Observes switchboard instruments to detect indications of line disturbances, such as grounded, shorted, or open circuits. Pulls circuit breaker switch or pushes buttons to interrupt flow of current in disturbed line preparatory to repair, and to connect alternate circuit to carry load of deenergized lines. Records temperature of transformers at specified intervals. May inspect equipment, such as transformers, pumps, fans, batteries, and circuit breakers to detect defects. May calculate average and peak load conditions from electric recording instrument data and compile periodic report of load variations for system planning purposes. May locate and replace defective fuses and switches, using test lamp and handtools. May be designated according to primary function of substation as Substation Operator, Conversion (utilities); Substation Operator, Distribution (r.r. trans.; utilities); Substation Operator, Transforming (utilities). May operate auxiliary generators and be designated Substation Operator, Generation (utilities). May control several remote-controlled substations from central station switchboard and be designated Substation Operator, Automatic (utilities).

 Surveyor assistant, instruments  Find Apprenticeships

Obtains data pertaining to angles, elevations, points, and contours used for construction, map making, mining, or other purposes, using alidade, level, transit, plane table, Theodolite, electronic distance measuring equipment, and other surveying instruments. Compiles notes, sketches, and records of data obtained and work performed. Directs work of subordinate members of survey team. Performs other duties relating to surveying work as directed by CHIEF OF PARTY (profess. & kin.).

 Taper  Find Apprenticeships

Seals joints between plasterboard or other wallboards to prepare wall surface for painting or papering. Mixes sealing compound by hand or with portable electric mixer, and spreads compound over joints between boards, using trowel, broad knife, or spatula. Presses paper tape over joint to embed tape into compound and seal joint, or tapes joint, using mechanical applicator that spreads compound and embeds tape in one operation. Spreads and smooths cementing material over tape, using trowel or floating machine to blend joint with wall surface. Sands rough spots after cement has dried. Fills cracks and holes in walls and ceiling with sealing compound. Installs metal molding at corners in lieu of sealant and tape. Usually works as member of crew. May apply texturing compound and primer to walls and ceiling preparatory to final finishing, using brushes, roller, or spray gun. May countersink nails or screws below surface of wall prior to applying sealing compound, using hammer or screwdriver.

 Telecommunications technician  Find Apprenticeships

Installs, operates, inspects, maintains, repairs and services radios, televisions, videos, recording voice, sound, nurse calls, emergency calls, microwave and visual production and reproduction apparatus, equipment and appliances used for domestic, commercial, educational and entertainment purposes. Performs all installation and erection of equipment, apparatus or appliance, cables and/or wire, emergency power (batteries) and all directly related work which becomes an integral part of the telecommunication and/or telecommunication related systems repair and service maintenance work of Telecommunications systems and devices including, but not limited to, Private Branch Exchanges (PBX-PABX), Key equipment and associated devices, PCM, T1, and/or telephone related systems, customer-owned or employer-owned. Performs the installation, repair, maintenance and operation of hold-up alarms, burglar alarms, surveillance systems, CCTV, CATV, card access, and/or any local area network system associated with computer installation.

 Tile finisher  Find Apprenticeships

Supplies and mixes construction materials for TILE SETTER (construction) 861.381-054, applies grout, and cleans installed tile. Moves tiles, tile setting tools, and work devices from storage area to installation site manually or using wheelbarrow. Mixes mortar and grout according to standard formulas and request from TILE SETTER (construction), using bucket, water hose, spatula, and portable mixer. Supplies TILE SETTER (construction) with mortar, using wheelbarrow and shovel. Applies grout between joints of installed tile, using grouting trowel. Removes excess grout from tile joints with wet sponge and scrapes corners and crevices with trowel. Wipes surface of tile after grout has set to remove grout residue and polish tile, using nonabrasive materials. Cleans installation site, mixing and storage areas, and installation machines, tools, and equipment, using water and various cleaning tools. Stores tile setting materials, machines, tools, and equipment. May apply caulk, sealers, acid, steam, or related agents to caulk, seal, or clean installed tile, using various application devices and equipment. May modify mixing, grouting, grinding, and cleaning procedures according to type of installation or material used. May assist TILE SETTER (construction) to position and secure metal lath, wire mesh, or felt paper prior to installation of tile. May cut marked tiles to size, using power saw or tile cutter.

 Tile setter  Find Apprenticeships

Applies tile to walls, floors, ceilings, and promenade roof decks, following design specifications. Examines blueprints, measures and marks surfaces to be covered, and lays out work. Measures and cuts metal lath to size for walls and ceilings with tin snips. Tacks lath to wall and ceiling surfaces with staple gun or hammer. Spreads plaster base over lath with trowel and levels plaster to specified thickness, using screed. Spreads concrete on sub floor with trowel and levels it with screed. Spreads mastic or other adhesive base on roof deck, using serrated spreader to form base for promenade tile. Cuts and shapes tile with tile cutters and biters. Positions tile and taps it with trowel handle to affix tile to plaster or adhesive base. May be designated according to type of work done as Roof-Promenade-Tile Setter (construction).

 Tool designer  Find Apprenticeships

Designs single- or multiple-edged machine cutting tools, such as broaches, milling-machine cutters, and drills, and related jigs, dies, and fixtures: Studies specifications, engineering blueprints, tool orders, and shop data and confers with engineering and shop personnel to resolve design problems related to material characteristics, dimensional tolerances, service requirements, manufacturing procedures, and cost. Applies algebraic and geometric formulas and standard tool engineering data to develop tool configuration. Selects standard items, such as bushings and tool bits, to incorporate into tool design. Draws preliminary sketches and prepares layout and detail drawings, using standard drafting tools and equipment or computer-assisted design/drafting equipment and software. Modifies tool designs according to trial or production service data to improve tool life or performance.

 Tool & die maker  Find Apprenticeships

Analyzes specifications, lays out metal stock, sets up and operates machine tools, and fits and assembles parts to fabricate and repair metalworking dies, cutting tools, jigs and fixtures, gauges, and machinists' hand tools, applying knowledge of tool and die design and construction, shop mathematics, metal properties, and layout, machining, and assembly procedures. Studies specifications, such as blueprints, sketches, models, or descriptions, and visualizes product to determine materials required and machines to be used to fabricate parts. Computes dimensions, plans layout, and determines assembly method and sequence of operations. Measures, marks, and scribes metal stock for machining [LAY-OUT WORKER (machine shop) 600.281-018]. Sets up and operates machine tools, such as lathes, milling machine, shaper, and grinder, to machine parts, and verifies conformance of machined parts to specifications [TOOL-MACHINE SET-UP OPERATOR (machine shop) 601.280-054]. Lifts machined parts manually or using hoist, and positions and secures parts on surface plate or worktable, using devices, such as vises, V-blocks, and angle plates. Smoothes flat and contoured surfaces, using scrapers, abrasive stones, and power grinders, and fits and assembles parts together and into assemblies and mechanisms, using hand tools. Verifies dimensions, alignments, and clearances, using measuring instruments, such as dial indicators, gauge blocks, thickness gauges, and micrometers. Heat-treats tools or parts [HEAT TREATER (heat treating) II 504.682-018]. May connect wiring and hydraulic lines to install electrical and hydraulic components. May examine standard or previously used dies, tools, and jigs and fixtures, and recommend design modifications regarding construction and function of part. May develop specifications from general descriptions for specialty tools and draw or sketch design of product. May specialize in repair work and be designated Tool-And-Die Repairer (machine shop).

 Welder (combination)  Find Apprenticeships

Welds metal components together to fabricate or repair products, such as machine parts, plant equipment, mobile homes, motors, and generators, according to layouts, blueprints, or work orders, using brazing and variety of arc and gas welding equipment: Welds metal parts together, using both gas welding [WELDER, GAS (welding)] or brazing [BRAZER, ASSEMBLER (welding)] and any combination of arc welding processes [WELDER, ARC (welding)]. Performs related tasks, such as thermal cutting and grinding. Repairs broken or cracked parts, fills holes, and increases size of metal parts. Positions and clamps together components of fabricated metal products preparatory to welding. May locate and repair cracks in industrial engine cylinder heads, using inspection equipment and gas torch, and be designated Repairer, Cylinder Heads (welding). May perform repairs only and be designated Welder, Repair (welding). May be required to pass employer performance tests or standard tests to meet certification standards of governmental agencies or professional and technical associations.

 Welder-fitter  Find Apprenticeships

Lays out, fits, and welds fabricated, cast, and forged components to assemble structural forms, such as machinery frames, tanks, pressure vessels, furnace shells, and building and bridge parts, according to blueprints and knowledge of welding and metallurgy. Selects equipment and plans layout, assembly, and welding, applying knowledge of geometry, physical properties of metal machining weld shrinkage, and welding techniques. Lays out, positions, aligns, and fits components together. Bolts, clamps, and tack-welds parts to secure in position for welding [WELDER, TACK (welding)]. Sets up equipment and welds parts, using arc, gas-shielded arc, submerged arc, or gas welding equipment [WELDER, COMBINATION (welding)]. May assemble parts by bolting and riveting. May repair products by dismantling, straightening, reshaping, and reassembling parts, using cutting torch, straightening press, and hand tools, and be designated Welder, Structural Repair (welding). May specialize in using one welding process and be designated Welder-Fitter, Arc (welding); Welder-Fitter, Gas (welding). May specialize in fitting and welding components of metal tools, dies, and fixtures and be designated Welder, Tool And Die (welding).

 Welding technician  Find Apprenticeships

Conducts experiments and tests and evaluates data to assist welding engineering personnel in development and application of new or improved welding equipment; welding techniques, procedures, and practices; and specifications for material heat treating. Assists engineering personnel in testing and evaluating welding equipment, metals, and alloys. Evaluates data and conducts experiments to develop application of new equipment or improved techniques, procedures, or practices. Recommends adoption of new developments and applications to engineering personnel and demonstrates practicability of recommendations. Inspects welded joints and conducts tests to ensure welds meet company standards, national code requirements, and customer job specifications. Records inspection and test results and prepares and submits reports to welding engineering personnel. Conducts certification tests for qualification of personnel with national code requirements.

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