This architectural drawing is 2D design of staircase plan in detail AutoCAD drawing, dwg file, CAD file. A staircase or stairway is a flight of stairs that connects one floor to another and contains landings, newel posts, handrails, balustrades, and other components. A stairwell is a vertically expanding compartment in a building that houses steps. For more details and information download the drawing file. Thank you for visiting our cadbull.com.