This Architectural Drawing is AutoCAD 2d drawing of Sump pit details in AutoCAD, dwg files. A temporary pit which is constructed to trap and filter water for pumping into a suitable discharge area. A perforated vertical standpipe is placed in the center of the pit to collect filtered water. The purpose of this practice is to remove excessive water in a manner that improves the quality of the water ... For more details and information download the drawing file.