7.2.1 Wall footings 7.2.1.1 Wall footing width shall be at least the greater of the applicable dimensions specified in Tables 7.2.1.1a through 7.2.1.1h or the supported wall thickness plus 4 in.

The foundation wall separates the above-grade living space from the footing by incorporating below-grade living space. Thus, retaining the exterior soil condition in an unbalanced state is its ...