Omega piles are a full displacement cast in situ pile system. The tool utilizes a partial flight auger with a displacement section which compacts and improves the density of the sidewalls of the hole. This improves the sidewall friction and the load carrying capacity of the cast pile.

The tool is mounted on a BG-28 or similar rig which utilizes an integral computer to control grout injection as the tool is advanced or withdrawn from the hole.