This architectural drawing is an AutoCAD 2D design of reinforcement details of the staircase, CAD file, and dwg file. Reinforced concrete stairs can stand on their own or be supported by beams or walls. They are frequently built around open or lift wells that are supported by the type of structure. Cantilevering tread staircases from a column or wall support is also commonly used for fire escape stairs, etc. For more details and information download the drawing file. Thank you for visiting our website cadbull.com.