This document is the 18" - 30" Drain Basin with outlet Orifice Plate Nyloplast Detail. Illustration with descriptions shown.

The detail shows the various parts and dimensions of the drain basin including the orifice opening sized per engineer design, 18” – 30” frame & grate solid cover, 12” – 30” outlets with orifice plates, 4” – 30” inlet, 18” – 30” drain basin body and outlet orifice plate.