Patent ID: 6371700
Filing Date: 2002-04-16
Classification: E02D,E04C

Abstract:
A unit for building a retaining wall system comprising:a front face; a middle face; a rear face; two side walls; wherein said front face, said middle face, and said side walls form a front compartment having a single drainage channel that drains liquid from said front compartment into a rear hydro-drainage compartment; wherein said middle face, said rear face, and said side walls form said rear hydro-drainage compartment that is open on its bottom and positioned behind said front compartment; wherein each said side wall is further comprised of at least one wedge-shaped angle of installation guide that is at an angle of about 90Â° to create an angle of repose between a first said unit and a second said unit where said second unit is placed upon said first unit onto said at least one angle of installation guide, and wherein said at least one angle of installation guide creates a face setback between a first said unit and a second said unit; wherein said rear face is comprised of at least one horizontal alignment guide, wherein said at least one horizontal alignment guide determines side-to-side placement of a first said unit relative to a second said unit, where said first unit is placed upon a second said unit onto said at least one horizontal alignment guide; wherein said front face and said middle face are further comprised of angled portions forming said drainage channel which is angled from said front compartment into said rear compartment such that its highest point is in said front conpartment; and wherein said middle face is further comprised of a cut-out portion where said drainage channel drains liquid from said front compartment through said cut-out portion into said rear compartment.