Maintenance Mechanic III

General Statement of Duties: Performs general carpentry work in the construction, alteration and maintenance of buildings, floors, roofs, stairways, partitions, doors, windows and furniture; Performs skilled work in a carpentry shop operating power saws, joiner's wood lathes and planers; Determines types and amounts of materials suitable for painting and staining projects, including special mixtures, epoxies, primers, lacquers, stains and finishes; prepares surfaces by taping, spackling, plastering or sanding, and applies paint or stain to interiors and exteriors of buildings, furniture and equipment, using brushes, rollers and spray guns; Installs, repairs and maintains audio actuated security systems, public address systems, fire alarm systems and related communication and electronic equipment; Installs, maintains or repairs valves, faucets, traps, sinks, washbowls, sewers, hot water heaters, steam boilers and other plumbing fixtures; Cuts and threads pipe, solders joints, maintains piping systems, checks for leaks, flushes out boilers and performs other maintenance of plumbing systems; Services, overhauls and maintains all types of refrigeration, fuel burning equipment and other heavy machinery; Regulates steam pressures and oil temperatures, inspects and adjusts temperature controls and other control devices; Repairs condensers, compressors, cooling towers, motors and controls, repairs pipes and ducts; Installs, repairs and maintains electrical appliances, motors, time clocks, relays, switches, control boxes, air conditioners, oil burners and fuse boxes; Installs, repairs, and maintains low and high voltage wiring systems for hydraulic and pneumatic controls; Lays out and installs new wiring systems; Preheats and cleans metals, lays out, cuts and fits materials for flat, vertical and horizontal welding; Selects proper welding heat and proper type of materials for correct penetration and strength; Does cutting, welding and hard surfacing on such areas as dredge parts, shell propellers, truck bodies and snow plows; Builds new pipelines; Operates and maintains steam/hot water heat exchangers, steam absorption cold generators, water circulation systems, temperature control valves, cooling and heating coils, ventilation equipment and associated systems; Performs skilled work in repairing electric motors, hydraulic pumps, chain drives, belt drives, electrical cables, conveyor parts and other mechanical assemblies; Operates and maintains high-pressure boilers, feed water and condensate systems and water softeners. Prepares surfaces to be painted, mixes and matches paints and stains, applies paint to surfaces using brushes, rollers and spray guns;

Must demonstrate:

Thorough knowledge of the practices, materials, tools and methods of the assigned craft or specialty area; thorough knowledge of the pertinent rules, regulations and codes which are applicable to the assigned craft or specialty area; thorough knowledge of the hazards and safety precautions of the work; skill in the use and care of tools, materials and equipment of the trade; ability to understand and work from general instructions, building specifications, blueprints or sketches; ability to make time, labor and material estimates; ability to understand and follow oral and written instructions; ability to supervise the work of others in a manner conducive to full performance and high morale; physical condition commensurate with the demands of the position.