(a) Supports, Foundations and Anchorage for All Fuel Oil Tank Locations.
(1) Tank supports shall be installed on firm foundations. Tank supports shall be of concrete or steel.
(2) Steel supports shall be protected so as to have a fire resistance rating of not less than one hour, except that steel saddles need not be protected if less than twelve inches high at their lowest point. At the discretion of the Chief of the Bureau of Fire Prevention, approved water spray protection, or its equivalent, may be used as an alternate.
(3) Every tank shall be supported so as to prevent excessive concentration of loads on the supporting portion of the shell.
(4) Tanks shall rest on foundations made of concrete. The concrete shall be of a minimum of four inches thick and shall extend at least six inches beyond all side of the tank support legs. Tank foundations shall be designed to minimize the possibility of uneven settling of the tank and to minimize corrosion in any part of the tank resting on the foundation.
(5) Where a tank is located in an area that may be subjected to flooding, special precautions shall be observed.
(6) The following distances shall be observed when putting in a tank:
Minimum Distance in Feet Minimum Distance
From Property Line Which In Feet From Nearest
May Be Built Upon, Side of Any Public
Including the Opposite Way Or From Nearest
Capacity of Tank Gallons | Side of a Public Way | Important Building |
275 or less | 5 | 5 |
276 to 575 | 10 | 10 |
(7) Readily accessible manual shut-off valves shall be installed at the point where required to properly control the flow of fuel in normal operation and where required to avoid oil spillage during servicing. The valve shall be installed to close against the supply.
(b) LP Gas Installations for House Trailers.
(1) All LP gas installations shall meet the requirements in NFPA Pamphlet No. 58 entitled "Storage and Handling of Liquefied Petroleum Gases". Drawings that show the house trailer, tank location and distances to all surrounding lot lines, buildings and public ways shall be submitted to the Fire Prevention Bureau for approval before any installation can be put in.
(2) Containers shall be set upon firm foundations or otherwise firmly secured; the possible effect on the outlet piping of settling shall be guarded against by flexible connection or special fitting.
(3) Tanks of less than 125 gallons set on a foundation on the ground shall be secured from upsetting by a chain around them and then fastened to the trailer, or a metal fence post buried at least thirty-six inches into the ground. Tanks with larger than 125 gallon capacity shall be set on a concrete foundation at least four inches thick, and it must extend at least six inches beyond all sides of the support legs.
(4) The maximum size of LP gas storage tanks hereunder shall not exceed a water capacity of 500 gallons.
(c) Electrical Power Supply.
(1) The house trailer service supply equipment shall be located adjacent to the house trailer and not mounted in or on the house trailer.
(2) The following wire size is required with the specified service:
Underground service | UF cable |
60 amp. service | No. 6 copper wire |
No. 2 aluminum or | |
100 amp service | No. 3 copper wire |
No. 3/0 copper or | |
200 amp service | No. 4/0 aluminum wire |
(Ord. 101-97. Passed 12-16-97.)