§ 91.06 UNDERGROUND TANKS.
   All underground tanks shall conform to the following regulations.
   (A)   Location. All underground tanks shall be constructed at a reasonable distance, to be determined by the Fire Chief or the Fire Marshal, from adjoining property lines, other tanks, railroad tracks and places of human inhabitation and public assembly.
   (B)   Depth; generally. All underground tanks shall be buried with the tip of the tank at least three feet under the surface of the ground and below any piping to which the tank may be connected.
   (C)   Under buildings. When located underneath a building, underground tanks shall be buried with the top of the tank not less than two feet below the level of the basement floor. The floor above the tank shall be of reinforced concrete at least nine inches thick extending 12 inches beyond the outline of the tank in all directions.
   (D)   Placement under streets and the like prohibited. No underground tank may be installed under any street, alley, public ground or sidewalk.
   (E)   Foundation. Underground tanks shall be set on a firm foundation, enclosed in and surrounded with, soft earth or sand well tamped into place or enclosed in concrete.
   (F)   Pumps.
      (1)   All pumps, other than service station pumps, connected to underground tanks shall be protected by a barrier equivalent to two-inch pipe.
      (2)   The barrier shall extend above the surface of the ground at least three feet and below the surface of the ground at least two feet. Barriers must be approved by the Fire Chief or Fire Marshal.
   (G)   Venting; electrical ground. Underground tanks shall be, upon the approval of the Fire Chief or Fire Marshal, properly vented and all electrical connections shall be properly grounded.
(Prior Code, § 9-12) (Ord. 479, passed - -)