<br />The demolition of any one- and two-dwelling unit buildings or one-story building or
<br />structure is permitted. The contractor may install nonbearing partitions or do interior
<br />finish work in any type of building or structure. All work shall be performed under
<br />the supervision of the holder of a Class A or B Construction Supervisor Certificate.
<br />C. Building Contractor Class C (Residential Contractor ICC
<br />Classification). To erect, add to, alter, or repair one and two family dwellings, U
<br />Occupancy buildings, or tenant improvements in townhouses. The demolition of any
<br />one- and two-dwelling unit building or U Occupancy building or structure is
<br />permitted. All work shall be performed under the supervision ofthe holder of a Class
<br />A, B, or C Construction Supervisor Certificate.
<br />D. Building Contractor Class D. To perform building construction
<br />work that is covered by the building codes as adopted by the City in Title 15 of this
<br />Code, but not assigned to any other license listed in this Section.
<br />E. Plumbing Contractor Class A. To install, add to, alter, or repair
<br />sanitary plumbing, potable water supply piping, and appliances connected thereto,
<br />storm sewer, gas piping, water heaters, gas ranges, domestic gas incinerators,
<br />swimming pool and spa piping, solar plumbing utilized for potable water, and all
<br />medical gas and vacuum systems in health care facilities. All work shall be
<br />performed under the supervision of the holder of a State of Colorado Master
<br />Plumbers License.
<br />F. Plumbing Contractor Class B. To install, add to, alter, or repair, in
<br />one- or two- family dwellings, townhomes, and Group U Occupancies only, sanitary
<br />plumbing, potable water supply piping and appliances connected thereto, storm
<br />sewer, gas piping, water heaters not exceeding 100 Mbtu input, gas ranges, domestic
<br />gas incinerators and gas dryers, swimming pool and spa piping. All work shall be
<br />performed under the supervision of the holder of a State of Colorado Master
<br />Plumbers License.
<br />G. Heating and Ventilating Contractor Class A. To install, add to,
<br />alter, or repair warm air heating, venting, ventilation, evaporative cooling, exhaust
<br />systems and their appurtenances, ductwork, dust collection systems, domestic and
<br />commercial range hoods, water heaters not exceeding 100 Mbtu input, gas piping;
<br />burners, controls and venting, trash and laundry chutes; exterior sheet metal, duct
<br />insulation, low voltage wiring that does not exceed 48 volts and is not enclosed in a
<br />conduit or raceway and maximum of 10 tons of refrigeration when it is utilized for
<br />comfort cooling and the refrigerating system is self-contained. This refrigeration
<br />shall not include systems with precharged lines or separate air-cooled condenser or
<br />chilled water systems.
<br />H. Heating and Ventilating Contractor Class B. To install, add to,
<br />alter, or repair, in one or two-family dwellings, townhomes, or U Occupancies only,
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