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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 (457.2 mm) above the floor.
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 parts of the building.
502.1.4 Hazardous exhaust.
The mechanical exhaust of high concentrations of dust or hazardous vapors shall conform to the requirements of Section 510.
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.
502.3 Battery-charging areas for powered vehicles and equipment.
Ventilation shall be provided in an approved manner in battery-charging areas to prevent a dangerous accumulation of flammable gases.
Exception: Lithium-ion batteries shall not require ventilation.
502.4 Stationary storage battery systems.
Stationary storage battery systems, as regulated by Section 608 of the New York City Fire Code, shall be provided with ventilation in accordance with this chapter, Section 502.4.3 and either Section 502.4.1 or 502.4.2.
Exception: Lithium-ion batteries shall not require ventilation.
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