A section of pit CAD drawing is given in this file

A section of pit CAD drawing is given in this file. 20cm thickness of the gravel is provided. 1:2:4 plain concrete, 4” diameter PVC pipe, 20cm thickness of the gravel, crushed stone, and other details are mentioned. For more details download the AutoCAD drawing file. Thank you for downloading the AutoCAD drawing file in advance and other CAD program files from our website.