A. New tanks used for the storage of crude petroleum and other flammable liquids shall be diked or provided with diversion walls and catchment basins, or combinations thereof, subject to the approval of the inspector and shall meet the requirements of the D.O.G.
B. No catchment basin or diked impounding area shall be located closer to the outer boundary line or to any building designated for human occupancy than the diameter or height, whichever is greater, of the largest tank served by such basin or area.
C. The distance between the shell of any tank and the inside toe of any dike shall not be less than five feet for tanks not more than thirty feet in diameter and not less than ten feet for tanks in excess of thirty feet in diameter.
(Ord. 90-08-1074 § 4 (part))