Operates mobile television and chemical sealing units to conduct internal inspection of sewer lines and to seal defects for prevention of water infiltration

locates line sections to be inspected, using map, and determines setup procedures. Turns knobs to activate television equipment... [+] More

Operates mobile television and chemical sealing units to conduct internal inspection of sewer lines and to seal defects for prevention of water infiltration

locates line sections to be inspected, using map, and determines setup procedures. Turns knobs to activate television equipment for video viewing. Adjusts tv camera and monitors controls for optimal clarity and contrast. Locates and identifies infiltration points and sewer defects to determine extent of sewer line damage. Prepares description of each sewer defect, and records pertinent data, including exact location of defect. Photographs screen picture of serious or unusual irregularities, using camera. Determines chemical composition of sealing compound based on type of sealing activity necessary to seal defects, and oversees preparation of compound. Turns control knobs of sealing unit to inflate packer to desired pressure, to air test infiltration point, to determine volume of needed sealing compound, and to pump correct amount of sealing chemicals. Turns air release valve to deflate packer after allowing specified time for sealing compound to set. Communicates with workers, using intercom system, and confers with supervisors to discuss condition of sewer lines, based on television inspection. Services, adjusts, and makes minor repairs to equipment and attachments. Gives directions to workers in efficient and safe use of television and grout, in work methods, and safety precautions. Drives television and grout unit truck. [-] Less

Supervises and coordinates activities of work crews engaged in preparing and applying concrete for fabricating, covering, and reinforcing structures, including buildings, bridges, highways, and dams

oversees workers who place forms for molding concrete, install reinforcing steel, and convey, pour, finish, and... [+] More

Supervises and coordinates activities of work crews engaged in preparing and applying concrete for fabricating, covering, and reinforcing structures, including buildings, bridges, highways, and dams

oversees workers who place forms for molding concrete, install reinforcing steel, and convey, pour, finish, and cure concrete. Reads specification sheets for information, such as sizes of aggregates and proportions of cement and water required, to ensure that concrete is mixed according to specifications. Inspects bracing and shoring of concrete forms to ensure their stability before and during pouring. Indicates positions for pouring chutes and runways, cranes, or paving machines to facilitate conveying concrete from mixer to forms. Trains new workers. Directs workers who spread, vibrate, screed, and float concrete to ensure that concrete is compacted to desired consistency and surface is finished to specified uniformity and smoothness. Examines concrete, after forms are stripped, and gives instruction to workers to repair defects, such as roughness and honeycombed appearance. Prescribes methods for curing concrete, such as covering surface of green (fresh) concrete with burlap, plastic, earth, straw, or chemical compound, to prevent green concrete from drying out rapidly or freezing. Supervises workers engaged in spraying cement mortar or concrete to cover exposed earth, masonry, and steel surfaces and forcing grout (thin mixture of sand, cement, and water) into drilled holes, spaces between foundations and surrounding earth, and fissures in rock foundations, to reinforce str. [-] Less

Joins and reinforces parts of articles, such as garments, curtains, parachutes, stuffed toys, or sews buttonholes and attaches fasteners to articles, or sews decorative trimmings to articles, using needle and thread.

Selects thread, according to specifications or color of parts. Aligns... [+] More

Joins and reinforces parts of articles, such as garments, curtains, parachutes, stuffed toys, or sews buttonholes and attaches fasteners to articles, or sews decorative trimmings to articles, using needle and thread.

Selects thread, according to specifications or color of parts. Aligns parts, fasteners, or trimmings, following seams, edges, or markings on parts. Sews parts with various types of stitches, such as felling tacking stitch and basting. Trims excess threads, using scissors or knife. May trim edges of parts, using scissors. [-] Less

Operates sewing machine to join carpet sections or braided yarn strips to form rug and finish edges, performing any combination of following duties

joins sections of carpeting to form rug of desired size or continuous length (runner). Sews decorative trimmings on... [+] More

Operates sewing machine to join carpet sections or braided yarn strips to form rug and finish edges, performing any combination of following duties

joins sections of carpeting to form rug of desired size or continuous length (runner). Sews decorative trimmings on rugs, borders on runners, or binding to prevent edges from raveling. Operates sewing machine that loops yarn into fringe and stitches fringe to edge of rug. Joins braided strips of yarn to form round or oval rug of desired size. Joins widths of leno cloth used on backing of rugs. May join sections of carpet together, using seaming tape and liquid cement. Performs other duties as described under sewing-machine operator, regular equipment. [-] Less

Repairs and maintains municipal storm and sanitary sewer lines, performing any combination of following tasks

inspects manholes to locate stoppage. Runs cleaning rods through rod guide, fits front end of rod with auger, using wrench, and lowers guide into position. Thrusts... [+] More

Repairs and maintains municipal storm and sanitary sewer lines, performing any combination of following tasks

inspects manholes to locate stoppage. Runs cleaning rods through rod guide, fits front end of rod with auger, using wrench, and lowers guide into position. Thrusts rods into invert and advances them until auger reaches obstruction. Rotates rods manually with turning pin, or attaches end of rod to portable power rodder to rotate rods. Pulls lever and depresses pedal of machine to advance cleaning tool to encounter obstruction and to rotate cable or rods until obstacle is broken. Retracts rods to drag out obstructions, such as roots, grease, and other deposits. Cleans and repairs catch basins, manholes, culverts, and storm drains, using handtools. Lays brick to raise manhole walls to prescribed street level, using masonry tools. Measures distance of excavation site, using tape measure, and marks outline of area to be trenched according to direction of supervisor. Breaks asphalt and other pavement, using airhammer, pick, and shovel. Cuts damaged section of pipe with cutters and removes broken section from ditch. Replaces broken pipes and reconnects pipe sections, using pipe sleeve. Inspects joints to ensure tightness and seal before backfilling. Packs backfilled excavation, using air and gasoline tamper. Taps mainline sewers to install sewer saddles. Replaces manhole covers. Updates sewer maps and manhole charting. Drives pickup trucks to haul crew, materials, and equipment. Services, adjusts, and makes minor repairs to equipment, machines, and attachments. Communicat. [-] Less

Removes roots, debris, and other refuse from clogged sewer lines and drains, using portable electric sewer cleaning machine, and repairs breaks in underground piping

positions or disassembles sewer trap machine at sewer or drain outlet. Removes drain cover, using wrench. Installs... [+] More

Removes roots, debris, and other refuse from clogged sewer lines and drains, using portable electric sewer cleaning machine, and repairs breaks in underground piping

positions or disassembles sewer trap machine at sewer or drain outlet. Removes drain cover, using wrench. Installs rotary knives on flexible cable, mounted on reel of machine, according to diameter of pipe to be cleaned. Starts machine to feed revolving cable into opening, stopping machine and changing knives as necessary to conform to diameter or contour of pipe. Withdraws cable to deposit accumulated residue removed from pipe in containers for disposal. Observes residue for evidence of mud, indicating broken sewer line. Measures distance from sewer opening to suspected break, using plumbers' snake, tapeline, or by estimating position of cutting head within sewer. Notifies coworkers to dig out ruptured line or digs out shallow sewers, using shovel. Removes and replaces broken tile section or pipe, using caulking compound and cement to form watertight joint. Replaces or directs replacement of earth. Replaces dull knives and performs repairs on machine, using handtools. May estimate cost of service to customer. May clean sewage collection points and sanitary lines in streets and sewage plants. [-] Less

Operates camera to photograph inside of sewer lines to conduct inspection and determine need for repairs

locates line sections to be photographed, using map. Determines setup procedures. Floats rope used to pull camera to adjacent manhole to thread sewer lines. Directs... [+] More

Operates camera to photograph inside of sewer lines to conduct inspection and determine need for repairs

locates line sections to be photographed, using map. Determines setup procedures. Floats rope used to pull camera to adjacent manhole to thread sewer lines. Directs workers in setting up cable stands over manholes. Loads camera with film and inspects battery of camera. Depresses button on camera to photograph small blackboard giving location of manhole, manhole number, data, and weather conditions for future reference. Attaches pulling cable to camera and instructs workers to position camera in sewer line and to turn cable stand handles that enable camera to move inside pipe. Snaps pictures at designated intervals until camera reaches downstream manhole. Detaches camera from cable, rewinds cable into reel, and disassembles equipment. Removes film and batteries from camera and sends film to be developed. Confers with supervisor to discuss condition of sewer lines as indicated in developed photographs. Drives pickup truck to haul crew and equipment. Services, adjusts, and makes minor repairs to camera, equipment, and attachments. Communicates with supervisor, using radio telephone. Gives directions to workers in efficient and safe use of camera and equipment, work methods, and safety precautions. Prepares daily report listing lines photographed. [-] Less

Repairs motorcycle forks, transmissions, or other subassemblies according to specifications, using hand tools and power tools. Disassembles unit and examines condition, movement or alignment of parts visually or using gauges. Replaces defective parts, using hand tools, arbor press, flexible power... [+] More

Repairs motorcycle forks, transmissions, or other subassemblies according to specifications, using hand tools and power tools. Disassembles unit and examines condition, movement or alignment of parts visually or using gauges. Replaces defective parts, using hand tools, arbor press, flexible power press, or power tools. Reassembles and tests unit. May be designated according to place of work or part of motorcycle repaired. [-] Less

Repairs and replaces transmission and distribution power lines between generating stations, substations, and consumers, requiring use of precautionary work methods and safety equipment due to electrical hazards present when working on or near energized conductors and electrical accessories. Opens switches... [+] More

Repairs and replaces transmission and distribution power lines between generating stations, substations, and consumers, requiring use of precautionary work methods and safety equipment due to electrical hazards present when working on or near energized conductors and electrical accessories. Opens switches or clamps grounding device to energized equipment to deenergize lines or accessories as directed by line supervisor. Climbs poles or rides in bucket attached to truck-mounted boom to remove broken or defective wires. Secures new wires to crossarm insulators and splices wire to adjoining sections of line to complete circuit.

Transfers wires from defective poles to poles erected by ground helpers. Installs pole hardware and such auxiliary equipment as transformers, lightning arresters, switches, fuses, and insulators, using hand tools. Suspends insulated ladders and platforms from pole crossarms and covers energized lines with rubber mats to facilitate safe handling of high-voltage lines without interrupting service by power shutoff, and uses long insulated poles (hot sticks) fitted with mechanically or hydraulically operated grasping and crimping tools. May service streetlight systems. May patrol power lines. Qualifications of workers in this classification include work experience in terms of maximum voltage of power lines repaired, such as 120-240 volt secondary circuits, 2,300-4,000 volt distribution lines, or 138 kilovolt transmission lines. Power line repairers experienced in repair of energized or deenergized conductors suspended from electrically conductive metal towers, commonly one-hundred feet or more above ground. [-] Less

Installs and repairs telephone and telegraph lines, poles, and related equipment, according to diagrams, and using electrician's handtools

digs holes, using power auger or shovel, hoists poles upright in holes, using truck-mounted winch, and fills and tamps holes, using cement, earth,... [+] More

Installs and repairs telephone and telegraph lines, poles, and related equipment, according to diagrams, and using electrician's handtools

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 callboxes and clocks, in city locations, may be designated line installer-repairer, city. When patrolling telephone lines between communities, may be designated toll-line repairer. When patrolling telephone or telegraph lines between two established points or in designated areas, may be designated line maintainer, section. [-] Less