Support system for lifting and leveling existing buildings that utilizes non-sylindrical support sections and a vertically-adjustable cap that enables the building to be easily raised or lowered to a desired height

An apparatus for lifting and leveling an existing building from a position underneath the existing building, the apparatus comprising:

• an adjustable cap having a vertically-adjustable member and a stationary member, said vertically-adjustable member being vertically adjustable with reference to said stationary member, said vertically-adjustable member having an upper side and a lower portion, said lower portion being configured to be secured at any one of a plurality of positions to a portion of a support section that has been placed in the ground below a building to be lifted and leveled, wherein when the apparatus is installed, a lower surface of said stationary member is in contact with an upper end of said support section, and wherein the existing building is lifted and leveled by disposing a jack on an upper surface of said stationary member of the adjustable cap and by raising the jack until a top surface of said upper side of said vertically-adjustable member is in contact with a foundation of the building and said foundation has been lifted to a desired height through raising of the vertically-adjustable member to a particular height through raising of the jack, wherein once said foundation has been lifted to said desired height, said lower portion of said vertically-adjustable member is secured to said portion of said support section at one of said plurality of positions in order to maintain the vertically-adjustable member at said particular height.