Tanks which contain more than 55 gallons of fume hazard and/or flammable compressed gases shall be located outside of any building or buried below ground level. When above ground, said tank or tanks containing liquids shall be diked. Each dike shall have a capacity of not less than one and one-half times the combined capacity of the tank or tanks it surrounds. Dike construction shall be as specified in Section 15-24-170 of this Code; provided, however, the materials of the dike walls shall be inert with respect to the materials contained within the tank or tanks.
(Coun. J. 12-9-92, p. 25465; Amend Coun. J. 2-7-96, p. 15616)