Individual footings should be placed in areas where there is no water table because water moving through soil could cause erosion at the bottom of your foundation and cause damage. 5. Combined Footing ...

A 16-in. wide footing gives adequate space for forming the wall (ACI 332 requires two-in. min. footing width per side + wall thickness), so 16 in. / 12 in./ft. x 2,000 psf = 2,666.7 plf, more than ...