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Flammable liquids shall always be kept away from fire or open flame; fire or open flame shall always be kept away from flammable liquids.
(1980 Code, § 27.012) Penalty, see § 98.999
(A) No storage tank shall be within 85 feet of any school, church, hospital or public hall. The distance shall be measured from the near edges or the tank in all directions to near point of buildings.
(B) A public hall is any place which is used at any time for public meetings or the assembling of people for amusement, instruction or religious worship.
(1980 Code, § 27.013) Penalty, see § 98.999
(A) The minimum distance from individual tanks to line of adjoining property which is or may be built upon shall not be less than the following:
Tank Capacity (Gallons) |
Minimum Distance (Feet) |
Tank Capacity (Gallons) |
Minimum Distance (Feet) |
2,000 or less | 10 |
6,000 or less | 20 |
21,000 or less | 25 |
31,000 or less | 30 |
45,000 or less | 40 |
64,000 or less | 50 |
80,000 or less | 60 |
128,000 or less | 75 |
200,000 or less | 85 |
266,000 or less | 100 |
400,000 or less | 150 |
666,000 or less | 250 |
1,333,000 or less | 300 |
2,666,000 or less | 350 |
(B) In case of tanks for the storage of crude petroleum, the foregoing minimum distance shall be doubled.
(C) These distances shall apply also to other buildings on the property except those necessarily connected with the installations (such as oil warehouse, pump house and garage).
(D) Location of tanks with reference to rail road tracks over which passenger trains are moved shall conform to the regulations of the Bureau of Explosives of the Association of American Railroads (formerly American Railroad Association) 30 Vesey Street, New York City.
(E) When general oil storage is maintained in connection with a filling station, the distance from general storage tanks to filling station buildings, tanks and equipment shall be the same as that required to property lines.
(1980 Code, § 27.014) Penalty, see § 98.999
(A) The minimum distance from tanks to adjacent tanks shall be as follows:
Tank Capacity (Gallons) | Minimum Distance (Feet) |
Tank Capacity (Gallons) | Minimum Distance (Feet) |
300 or less | 3 |
500 or less | 3 |
1,000 or less | 3 |
8,000 or less | 3 |
12,000 or less | 3 |
18,000 or less | 3 |
24,000 or less | 5 |
30,000 or less | 10 |
48,000 or less | 10 |
75,000 or less | 13 |
100,000 or less | 15 |
100,000 to 2,500,000 | One tank diameter |
(B) If tanks are of different capacity, the capacity of the larger tank shall govern the distance to adjacent tanks.
(1980 Code, § 27.015) Penalty, see § 98.999
(A) Tanks shall be covered with asphaltum or other non-rusting coating or paint.
(B) All pipe connections shall be made through flanges or reinforcements securely riveted, welded or bolted to the tank and shall be made tight.
(C) All openings shall be made liquid and vapor tight, except breather vents. Gaskets used shall be such as are not affected by heat or the contents of the tank.
(D) Covers for manholes, handholes and gauge holes shall be made tight fitting and normally kept in place.
(1980 Code, § 27.016) Penalty, see § 98.999
(A) Each tank over 100-gallon capacity shall have vent openings, except safety valves, provided with approved non-corrodible flame arresters so attached as to completely cover the openings.
(B) Vent openings shall be in no case less than one-fourth inches in diameter, and where a power pump is used in filling tanks and a tight connection is made to fill pipe, vent shall not be smaller than fill pipe.
(1980 Code, § 27.017) Penalty, see § 98.999
(A) Additional vent openings or safety valves adequate to relieve any excessive pressure due to external heat shall be provided, of a type which shall be self-closing when pressure is relieved.
(B) The total area of vents shall not be less than 24 square inches for tanks of 21,000 gallons capacity or less; and 21,000 gallons capacity.
(1980 Code, § 27.018) Penalty, see § 98.999
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