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AIR CONDITIONING CLASS "C" (Also HARV "C", A/C Service)
<br />Those whose business is limited to servicing of air conditioning, heating or refrig-
<br />eration systems, including duct alterations on those systems.
<br />Those who are qualified to install; repair, alter or extend•any system of air conditioning
<br />and warm air heating and ventilation, unlimited in horsepower or tons, including any
<br />or all duct systems necessary to make complete and air conditioning system.
<br />HARV
<br />Those who are qualified to install, maintain, repair, alter or extend air conditioning,
<br />refrigeration, heating, ventilation, unlimited in horsepower or tons, including all duct
<br />systems, boiler and unfired pressure vessels systems, solarheating andcoohng systems
<br />and all appurtenances, apparatus or equipment used in connection therewith, also
<br />piping, duct work, insulation of pipes, vessels and ducts.
<br />JOURNEYMAN HARV.(Also Mechanical or Air Conditioning Journeyman)
<br />Those who are qualified to install, maintain, repair, fabricate, alter or extend; central
<br />air conditioning, refrigeration, heating and ventilating, including ductwork and all
<br />appurtenances, apparatus, piping vessels, ducts and insulation used in connection
<br />therewith while employed or supervised by an Air Conditioning Contractor.
<br />GENERAL ENGINEERING CONTRACTOR (CLASS I)
<br />Those who are qualified to do work such as , but not limited to: harbors, docks,
<br />excavating, filling and grading, pile driving, levees, pumping stations, and similar
<br />types of work in conjunction with waterpower, water control, waterworks and water
<br />supply, paving and sidewalks, curbs and gutter, streets and roads, bridges and
<br />overpasses and underpasses in streets, roads and public thoroughfares, underground
<br />sewage collection and disposal systems, bulkheading and underground utility line
<br />construction, both sanitay and storm sewer systems and similar work.
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