Here the Stair section design drawing with all dimension and level mentioned and plan design drawing in this auto cad file.
Elevator machine room Lay
Elevator Design Plan DWG F
3D Stair Block Design
Ladder Detail
Stair way details plan
Free Lift Top Plan Design
CAD Drawing Lift Elevator
Elevator Detail
Multi-level building lift
Stair Structure detail
2d view of elevator block
Section of lift planning d