autocad DWG file contains solidwork model file which is free to download.
Pool drawings 2d view elev
Water supply line plan and
Water tank details with pl
Installation hydraulic hou
Sewage Pump line details.
Manhole of sewerage line o
Hydraulic view with single
Plumbing plan and elevatio
Plumbing Detail
Sink detail sanitary block
Water pump sectional detai
Septic tank design with de