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Scaffolding for rehabilitation in Madrid, Spain [1] Scaffolding for renovation on the Virgin Mary statue, Santiago de Chile, Chile.. Scaffolding, also called scaffold or staging, [2] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other human-made structures.
Immediately in front of the entrance there was usually a wooden platform; on particularly long stairways there could be intermediate landings. A steep stairway and narrow landing in front of the entrance made it difficult for attackers to use heavy demolition equipment such as battering rams.
A dog-leg staircase A quarter-landing, on a dog-leg staircase, is made into an architectural feature, by the use of arches, vaulting and stained glass. A dog-leg is a configuration of stairs between two floors of a building, often a domestic building, in which a flight of stairs ascends to a quarter-landing before turning at a right angle and continuing upwards. [1]
An exterior stairway is a stair in a separate structure attached to the rest of the building body, [3] and can either be enclosed or exposed to the elements. Such temporary exposed stairways are sometimes used in conjunction with scaffolding on construction sites, or permanently as an emergency exit.
Another widespread type of airstair is used for forward doors. The stair folds and stows under the floor of the door and is deployed from the fuselage immediately below the forward door. This type of airstair is found on many short-range aircraft such as Boeing 737s, DC-9s, and some Airbus A320 series aircraft. The mechanism is also quite heavy ...
A staircase or stairway is one or more flights of stairs leading from one floor to another, and includes landings, newel posts, handrails, balustrades, and additional parts. [4] In buildings, stairs is a term applied to a complete flight of steps between two floors. A stair flight is a run of stairs or steps