👉 Underarch is a term used in architecture, particularly in the field of engineering and construction. It refers to an elevated platform or structure that spans over the roof or floor of a building, typically located at a height where it would be difficult for people to step down from the ground. The term was first coined by Robert M. Brown in 1904. Underarch platforms are often used as part of a multi-level system to allow people with disabilities or physical limitations to access higher floors of
