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Size of concrete pad for oil tank.
Determine the size.
A do it yourselfer with basic skills can save the cost of a professional by pouring a small concrete slab to support an outdoor oil tank.
We provide the four most common sizes of precast concrete oil tank slabs for outdoor storage of 275 or 330 gallon oil tanks.
Horizontal tank must be supported by four 4 4 x 8 x 16 inch concrete blocks or a one 1 piece reinforced concrete pad not smaller than the tank dimensions.
Even flat bottom tanks with no legs are required to be on a solid foundation.
A tank located in a flood plain must be securely anchored to the concrete pad.
Variances may be requested from the authority having jurisdiction of the site where the property is located.
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Jimmy dale schroeder p e minnesotadesign per ubc 1997 allowable soil bearing 2000 psf date.
Cylindrical aboveground storage tank foundation requirements steel tank institute design conditions designed by.
12 6 01 seismic zone 1 f c 2000 psi.
Domestic oil tank bases construction design t19 issue 02 05 page 7 jan 2005 6 5 steel tank on piers with concrete base figure t19 5 shows a typical steel tank raised on piers with a concrete base.
6 5 1 base constructed from 100mm minimum thickness concrete base laid on top of 100mm minimum of compacted hardcore to ensure a stable base see table 3.
The easiest way to ensure your pad will be of the correct thickness is to use 3 4 inch plywood cut to a width that equals the required depth of the pad.
Tank s with a 275 gallon 1 150 l capacity or less shall be not less than 5 feet 1 5 m from a property line.
Tank s over 275 gallon 1 150 l capacity shall be not less than 10 feet 3 m from a property.
Cut the plywood strips to lengths that match the length and width of the poured slab.