(a) Tank vehicles. Any vehicle used to transport flammable and combustible liquids in a container that exceeds one hundred ten (110) gallons capacity shall be designed, constructed and operated in accordance with National Fire Protection Association
Recommended Regulatory Standard for Tank Vehicles for Flammable and Combustible Liquids, NFPA #385.
(b) Portable containers. No vehicle shall be used to transport more than one hundred ten (110) gallons of flammable liquids in portable containers unless such flammable liquids are in their original department of transportation approved shipping containers.
(c) Parking and garaging. No tank vehicle shall be left unattended on any street, highway, avenue or alley; provided, that this shall not prevent a driver from the necessary absence from the truck in connection with the delivery of his load; except, that during actual discharge of the liquid some responsible person shall be present at the vehicle.
(1) This section shall not prevent stops for meals during the day or night if the street is well lighted at the point of parking.
(2) Tank vehicles containing flammable liquids shall not be parked out of doors at any point for longer than one (1) hour, except off the streets, and at least twenty-five (25) feet from any building used for assembly, institutional or residential occupancy. (1975 L.M.C., ch. 23, § 1.)