Patent ID: 7707797

Claim:
A method of forming a pile anchor foundation for supporting a heavy load from a ground surface comprising the steps of: inserting pile anchor pipes into a ground surface; placing pile anchor bolts having sleeves thereon longitudinally in said pipes with the pile anchor bolts extending above an upper end of said pipes; filling the pipes with cementitious material and allowing said cementitious material to cure to form pile anchors; placing load anchor bolts generally parallel to said pile anchor bolts; pouring a concrete cap foundation above the upper ends of said pile anchor pipes and in contact with the upper ends of said sleeved pile anchor bolts and said load anchor bolts while leaving an unfilled space between a bottom surface of the cap foundation and an upper end of said pile anchors and allowing said cap foundation to cure; post tensioning said pile anchor bolts; and placing a support flange of a heavy load onto the upper ends of said load anchor bolts and post tensioning said load anchor bolts with said support flange attached thereto.