Here is an autocad dwg file for details of drainage in man hole wells. There is a plan layout and elevation layout drawing with proper detailing.
Detailed road way in concr
Staircase of a bridge dwg
Roof covering detail dwg f
Details of septic grave
Tank of water pumbing
Design truss webbing dry c
Principal stair plan detai
Roof construction details
Section river detail dwg f
Details of water repellent
Patrimonysewell detail dwg
Detail of foundation plan