Patent ID: 7596909

Claim:
A prefabricated building, comprising: a) a pre-cast concrete chain wall foundation having upper and lower surfaces and walls with a height and a thickness, the ratio of wall height to wall thickness being equal to or greater than 3 to 1 and the wall height is at least three (3) feet, wherein the precast concrete chain wall foundation includes a plurality of corner columns that are integral poured corners not joined by external fasteners, a plurality of intermediate columns, upper and lower spaced apart beams and a plurality of openings that are surrounded by upper and lower beams and columns, and wherein said pre-cast concrete chain wall foundation is not a poured in place foundation; b) a prefabricated building positioned upon the upper surface of the precast concrete chain wall foundation, c) wherein the prefabricated building has walls that rest upon the upper surface of the pre-cast concrete chain wall foundation.