An elevator (lift in British English) is a type of vertical transport equipment that efficiently moves people or goods between floors (levels, decks) of a building, vessel, or other structure. Even in smaller multi-story buildings, elevators are essential for making offices and apartments accessible to handicapped people. High-rise cities like New York absolutely depend on elevators. Modern elevators are the crucial element that makes it practical to live and work dozens of stories above ground. These towers would have been basically unusable if it weren't for another technological innovation that came along around the same time. With sturdy metal beams as their building blocks, architects and engineers could erect monumental skyscrapers hundreds of feet in the air. Automatic elevators were introduced in the residential buildings in 1890’s.ġ.2 Importance of Elevator System :In the 1800s, new iron and steel production processes revolutionized the world of construction.
The world’s first electric lift started working in 1889. Otis in 1854, which was having an automatic safety device, which prevent the elevator from falling in case of the rope breaks. The first elevator with a safety device was invented by Elisha G. By 1840 hydraulic and steam powered elevators which were ropes very slow and the carrying them often broke. The elevators were in use in the early 1800’s. It uses ropes and pulleys and it could lift one person. INTRODUCTION 1.1 History :The primordial Greek mathematician Archimedes invented a type of an elevator before 230 B.C.