1511.22 ABOVE-GROUND OIL TANKS.
   (a)   The installation of exterior above-ground storage tanks for the storage of flammable and combustible liquids is hereby prohibited within the City, except as provided for herein.
   (b)   Existing exterior above-ground storage tank installations previously approved by the Fire Official shall be permitted to continue, provided that the existing previously approved tank does not constitute a fire hazard. The Fire Official, in his or her reasonable discretion, shall have the authority to require the removal of any unsafe tanks and shall periodically inspect the existing installation for safety. Unsafe tanks shall be removed from service where required by the Fire Official.
   (c)   Waste oil for disposal and for use in oil burning equipment may be stored inside a building in an above-ground waste oil tank, in double steel wall tanks, and must meet the following criteria:
      (1)   Tanks must meet U.L. 142, NFPA 30, and must be installed in accordance with all applicable Federal, State and local environmental regulations and safety codes.
      (2)   Tanks must be placed on a concrete pad capable of supporting such tanks when completely filled.
      (3)   Tanks shall be protected from accidental damage in accordance with al applicable codes.
      (4)   Tanks shall be designed and built in accordance with recognized and good engineering standards and shall be constructed of steel or an approved noncombustible material.
      (5)   Tanks shall have an Underwriter's Laboratories, Inc. or Factory Mutual Listing for the purpose of storing waste oil.
      (6)   Tanks shall be limited to 660 gallons with a limit of one tank per location.
      (7)   Storage tanks shall be permitted only in areas at grade level that have adequate drainage.
      (8)   Tanks shall be enclosed by construction, with a roof overhead, having a fire-resistance rating of not less than two hours.
      (9)   At a minimum, each opening shall be provided with a U.L. listed one and one-half hour class B door.
      (10)   The tank shall be diked to contain at least 110 percent of tank capacity.
      (11)   Any electrical connection shall be explosion-proof.
      (12)   Any connection through a wall of the enclosure shall be sealed.
      (13)   The tank shall be vented per the manufacturer's specifications.
      (14)   Any other storage of waste oil, other than an approved underground storage, shall be prohibited.
      (15)   Flammable liquid shall not be permitted in waste oil tanks.
   (d)   Class III liquids, consisting of a new product only, may be stored inside a building in a two-hour fire-rated, double steel wall tank, not exceeding 660 gallons capacity per tank. Additionally, tanks for Class III liquids must meet the following standards:
      (1)   Tanks must meet U.L. 142 NFPA 30, and must be installed in accordance with all applicable Federal, State and local environment regulations and safety codes.
      (2)   Tanks shall be protected from accidental damage in accordance with all applicable codes.
   (e)   Permanent installation of above-ground storage tanks containing petroleum distillate products and/or liquefied petroleum gas (LPG) is strictly prohibited.
   (f)   A permit from the Fire Official shall be required for installation of all above-ground storage tanks. A diagram showing the location of the tanks shall accompany the application for the permit. All tanks shall have proper markings as to contents and special hazard posting under NFPA 704.
(Ord. 1997-25. Passed 8-6-97.)