The step is composed of the tread and riser.The part of the stairway that is stepped on. It is constructed to the same specifications as any other flooring. Stair Design DWG file, Stair Design DWG File Download, Stair Design Detail.
Up & Down Elevator Stair D
CAD 2d drawings details of
Stair Design
3D Circular Stair Design
Elevator units detail sect
Stair Detail DWG file
Steel structure elevation
Stair Detail
Elevator sections and cons
Stair Detail plan file
Weight lift plan,elevation