A section of the chamber is given in this Autocad drawing file. This section is given for the 18x14m house plan. 1:3 cement mortar with 12mm thickness, 50mm precast cover, grease seal, bitumen seal, and other details are given in this drawing model. For more details download the Autocad drawing file. Thank you for downloading the Autocad drawing file and other CAD program files from our website.
