The use of aboveground storage tanks, tank cars, tank trucks, or portable tanks in connection with vending, gauging, or dispensing of flammable liquids, other than for equipment installed on tank vehicles complying with Section 15-24-1080, shall be permitted only under the following limited circumstances:
(A) The construction and installation of the tanks must satisfy each of the following conditions and restrictions:
(1) Tanks shall be enclosed within a two- hour fire-rated assembly.
(2) The tank assembly shall provide 100 percent secondary containment of the flammable liquid. Dikes as required in Section 15-24-170 need not be provided.
(3) Tanks shall be limited to a capacity of 1,000 gallons.
(4) No more than two such aboveground tanks shall be installed or located at any one site.
(5) The tank shall be completely surrounded by a protective guardrail which is located a minimum of two feet away from the tank.
(6) Dispensing of the flammable liquid shall be by means of a pump which is permanently attached to the top of the enclosing assembly described in subsection (A)(1) above and which is equipped with an anti-syphon valve.
(7) Such tanks shall be located a minimum of ten feet away from any building or property line, except that tanks containing Class II or Class III liquids, as defined in Section 15-24-020, may be located within three feet of a fire-resistive wall without openings.
(8) Each tank shall bear the words, "Flammable – Keep Fire Away", conspicuously on each side of the tank. The coloring of the letters shall be a color which contrasts with the color of the tank and the letters each must be a minimum of four inches high.
(9) A lockable fill cap shall be provided.
(10) Tanks shall be electrically grounded.
(11) Emergency vents conforming with Section 15-24-190 B shall be provided for both the primary tank and the secondary containment space.
(B) Aboveground tanks used pursuant to this section shall not be used for any retail sales.
(Added Coun. J. 5-2-95, p. 73)