The water septic tank Autocad drawing consists cast iron cover,150x150mm weep holes up to the tenth coarse, 250mm thick stone chipping at the bottom of the pit, sand all around pit block work, 100mm dia vent pipe, 150mm thick rc concrete cover, cast iron cover, 150mm thick buffer wall, 150x150mm openings at 600mm centers, and to soak away pit detail dwg file. Thank you for downloading the Autocad file and other CAD program files from our website.
