18-28-502.1.2 Fuel-dispensing areas.

   The bottom of an air inlet or exhaust opening in fuel-dispensing areas shall be located not more than 18 inches (457 mm) above the floor.

18-28-502.1.3 Equipment, appliance and service rooms.

   Equipment, appliance and system service rooms that house sources of odors, fumes, noxious gases, smoke, steam, dust, spray or other contaminants shall be designed and constructed so as to prevent spreading of such contaminants to other occupied part of the building.

18-28-502.1.4 Hazardous exhaust.

   The mechanical exhaust of high concentrations of dust or hazardous vapors shall conform to the requirements of Section 18-28-510.

18-28-502.2 Aircraft fueling and defueling.

   Compartments housing piping, pumps, air eliminators, water separators, hose reels and similar equipment used in aircraft fueling and defueling operations shall be adequately ventilated at floor level or within the floor itself.

18-28-502.3 Battery-charging areas.

   Ventilation shall be provided in an approved manner in battery-charging areas to prevent a dangerous accumulation of flammable gases.

18-28-502.4 Stationary lead-acid battery systems.

   Ventilation shall be provided for stationary lead- acid battery systems in accordance with this chapter and Section 18-28-502.4.1 or 18-28-502.4.2.