18-28-901.5 Installation in private garages.

   Gas appliances are not allowed in private garages unless all of the following conditions exist:

   1.   The gas appliance is a direct vent heater intended to heat only the garage space and does not communicate its heated air to the rest of the building. The heater shall be installed so that all burner and ignition devices are greater than 18" above the garage floor. The heater shall be located or protected so that it is not subject to vehicular damage; or

   2.   A separate utility room is constructed in the garage with one means of access, and:

      a)   The appliance is installed on a noncombustible surface and all burner and burner ignition devices are located 18" above the garage floor; and

      b)   The utility room is constructed with one hour fire-resistant walls and a one-hour fire-resistant ceiling; and

      c)   The entry door to the utility room is a 45-minute, Class C, self-closing, weather-stripped door; and

      d)   All air for combustion and dilution air is taken from an area other than the garage in accordance with Article 7, Combustion Air; and

      e)   The entry door to the utility room is clearly marked: DANGER-KEEP DOOR CLOSED; and

      f)   All openings in the utility room for pipes, conduit, or ducts are sealed airtight; and

   3.   The garage is not heated by the same forced air system that heats the habitable space.