Here is an autocad dwg file for details of Stairway in tank . There is a plan layout and elevational layout for the same.
Site plan detail dwg file
Wall fixing and tank plan
Site plan structure layout
Street light section plan
Floor plan of a genset she
Structural roof detail dwg
Detail of brick facade
Typical section a valve di
Detail of supporting beam
Roof plan detail with roof
Roof tank details
Brick wall details