§ 91.20 VEHICLE SAFETY REQUIREMENTS.
   (A)   No tank vehicles shall be operated unless they are in proper repair, devoid of accumulation of grease, oil, or other flammables and free of leaks.
   (B)   Motors of tank trucks or tractor-trucks shall be shut down during making and breaking hose connections for flammable liquids. If loading or unloading is done without the use of a power pump, the tank truck or tractor-truck motor shall be shut down throughout the operations.
   (C)   In every tank compartment, sufficient space shall be left vacant to prevent leakage from, or distortion of, the tank compartment by expansion of the contents due to rise in temperature in transit. No tank compartment shall be loaded to a volume in excess of 99-1/4% of its capacity.
   (D)   No tank vehicle shall be parked or stored in the city except within the duly constituted confines of a bulk plant.
(1981 Code, § 91.20) (Ord. 3592-56, passed 8-13-1956) Penalty, see § 91.99