Patent ID: 7736090

Claim:
A building drain system for draining water from a building to a ground surface, the system comprising: a building drain extension pipe capable of being disposed underground and below a grade of the ground surface, and a drain outlet communicably coupled to the pipe, the drain outlet comprising: a base having a drainage surface terminating at a drainage end, forming at least one effluent drainage hole, and an inlet section, the inlet section adapted to be coupled to an outlet of the extension pipe, the drainage surface being substantially flat between the inlet section and the at least one effluent drainage hole at the drainage end, the drainage surface disposed for guiding effluent from inlet section to drainage end; and a cover section coupled to and covering the base, wherein, the base is configured for founding the drain outlet to the ground, when the drain outlet is coupled to the extension pipe disposed underground, so that the at least one drainage hole is located substantially at or above the grade allowing substantially unimpeded effluent discharge from inlet section through the at least one drainage hole to the ground surface.