Abstract: A method for preparing a footing for a foundation of the type for emplacement of a prefabricated building over a pattern of footing excavations, including suspending a block of rigid, but dissolvable material within each footing excavation with a prescribed distance between the lower end of the block and the bottom of the footing excavation, and pouring an unhardened load-bearing material around the sides of and under the block. When the load-bearing material has hardened, the block is dissolved so that the footing is ready to receive a vertical support stanchion.