Plumbing layout and septic tank details of duplex house details were given in the Autocad 2D DWG drawing file. Top plan were given with two manholes(0.60mx0.60m), inlet and outlet. Plumbing layout were given for ground floor and second floor. Section of tank were given with leaching chamber. 100mm dia sanitary tee were used. Thank you for downloading the Autocad drawing file and other CAD programs from the our cadbull website.