This concrete pad will have top to bottom: 6" of 3500 PSI Winter Mix Concrete, a Gridwork of Metal-Tied #4 Steel Rebar on 18" Centers, includes a 5" level of 3/4" stone, and Tamped Virgin Ground for the base. This will more than suffice the required 1000 PSI load requirements from the manufacturer specifications for a liquid container weighing 1400 pounds empty and 14,500 pounds full of liquid. Form removal to meet ACQ requirements and backfilling after the pad cures. The tools to make this were many along with my own homemade-metal bender. The sweat equity is also a major investment, but the enjoyment using the device afterwards will be unmentionable.
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