Staircase provide access & communication between floors in multi-storey buildings and are a path by which fire can spread from one floor to another. Spiral staircase (double helix) in the Vatican Museums Spiral staircase in Riga (Art Nouveau) The concept of stairs is believed to be 8000 years old, and are one of the oldest buildings in architectural history. The oldest example of spiral stairs dates back to the 400s BC. [4] Medieval architecture saw experimentation with many different shapes, and the Renaissance even more so with varied designs. [4] This article explores the essential components of a staircase , the different types of staircases available, and the key considerations. Learn about the definition, requirements, elements, and types of staircases in civil engineering. Find out the minimum width, tread, riser, headroom, and pitch of staircases according to the National Building Code of India.
