In tropical climates, footings must be placed as much as 6 feet below the surface.

Name: In tropical climates, footings must be placed as much as 6 feet below the surface.
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Quizplus · Accepted Answer

In tropical climates, the primary concern for footings is not frost depth (as there is little to no frost), but rather stability in often wet and sometimes unstable soils. The depth is more related to soil conditions and the structure's load than a standard depth like 6 feet.

In Tropical Climates, Footings Must Be Placed as Much as 6