The bin pad should be located in a well drained area. Pad foundation should be a minimum of 6" above ground level and 18' wider than the bin diameter. The foundation top should be 4" of crushed rock (3/4 in diameter). Foundation must be well packed. For multiple bin installations, the gravel pad should be continuous with 3-4' space between each bin.
Providing Wholesale Grain Bin Storage Equipment for Canadian Farms