Job Description / Essential Elements:
Receives general supervision from the Plumbing/HVAC Supervisor to perform skilled work in boiler and furnace maintenance and repair; install repair and adjust air conditioning, heating and refrigeration equipment in District installations; and perform related duties as assigned.
EXAMPLES OF DUTIES:
Disassemble, repair and maintain steam boilers, hot-water boilers and gas furnaces; maintain and repair multi-zone units; maintain and repair electric and pneumatic thermostats, hot and cold water pumps, gas valves, fans, and air compressors; install new furnace systems, boilers, steam lines, and gas lines, involving cutting, brazing and welding; test boiler water and recommend chemical additives; lay out work and inspection of completed work; assist in estimating necessary materials for work as assigned by their immediate supervisor; maintain cost records of time and materials; prepare reports; inspect, install and repair water coolers, ice cream cabinets, beverage coolers, reach-in refrigerators, walk-in boxes, freezer boxes and a variety of central and individual unit heating and air conditioning equipment; minor overhauling of compressors; remove and install defective air conditioner components including motors and fan bearings; repair condensors and evaporators as required; perform periodic maintenance inspection and repair; maintain inventory of stock if required; use welders, vacuum pumps, gas service cylinders, air control measuring gauges, control calibrating equipment and refrigeration hand tools; maintain regular and prompt attendance in the work place; perform related duties as assigned.
Knowledge of: Methods, materials, tools and equipment used in servicing heating, air conditioning, and refrigeration units; mechanics of refrigerant flow control, electric controls, pneumatic controls, and electronic controls; principles of defrosting, reverse cycle refrigeration, absorption refrigeration, centrifugal compressors, liquid chilling, and air movement; soldering, brazing, welding, indicating and recording instruments; oral and written communication skills.
Ability to: Use skillfully the tools an materials necessary in the repair and servicing of boilers, heating, refrigeration and air conditioning equipment; follow oral and written instructions and work from plans and specifications; maintain routine records; work independently without close supervision; maintain cooperative working relationships with others; read and write at the level required for successful performance on the job; physical capability sufficient to perform required job tasks; develop and maintain coopertive working relationships with those contacted in the course of work; carry out oral and written directions; write and speak at a level sufficient to fulfill the duties to be performed for the position described.
Education, Training, and Experience;
Any combination of education, training and/or experience equivalent to: three years of journey level experience in the installation and repair of heating, refrigeration, and air conditioning systems.
Possession of a valid California Driver License is required.
Environment: Indoor and outdoor work environment; regular exposure to fumes, dust and odors; as required must wear protective devices such as earplugs, dust mask, coveralls, gloves, safety boots and safety glasses.
Physical demands: Employee in this position must have/be able to: Dexterity of hands and fingers to operate a variety of trade tools; walk and/or stand for extended periods of time; see to perform assigned duties; lift and/or carry up to 40 lbs; occasionally lift and/or carry up to 90 lbs at waist height up to 100 feet; push/pull up to 90 lbs at waist/shoulder height; bend at the waist, kneel, crawl, crouch and stoop; reach voerhead, above the shoulders an horizontally; see, hear, and speak with/without assistaive devices sufficient to communicate effectively with others.
Hazards: Natual gas; exposure to heat and cold from heating and cooling systems; welding flame.