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The new facility contains a five-story and two seven-story buildings. The building has a central atrium and two office wings; the atrium houses a food court, a five-story spiral staircase, and meeting and reception rooms. A 7-acre (2.8 ha) lake flows underneath the headquarters building. [citation needed]
The spiral stair is a type of stairway which, due to its complex helical structure, has been introduced relatively late into architecture. Although the oldest example dates back to the 5th century BC, [ 1 ] it was only in the wake of the influential design of the Trajan's Column that this space-saving new type permanently caught hold in ancient ...
This was the first of at least four escalator-style patents issued to Souder, including two for spiral designs. [3] On March 15, 1892, Jesse W. Reno patented the "Endless Conveyor or Elevator." [4] A few months after Reno's patent was approved, George A. Wheeler patented his ideas for a more recognizable moving staircase, though it was never ...
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
Good lighting is important in a staircase so users see where they are going and to prevent falls. [6] There is often a window on the wall to let in daylight.In many cases, indoor stairs are placed far inside the building structure, and it is often not easy to get access to a wall on the outside where it would be natural to have a regular window for letting daylight in.
Stair lifts are used by people of all ages and child car seats can usually be fixed a standard stair lift seat using the seat belt provided with the stair lift system. Many stair lifts are also fitted with a key, to allow the user to prevent others from using the lift. Codes of practice and technical specifications apply to stair lift manufacture.
Staircase tower with no external door on the church of Saint-Pierre-ès-Liens in Rampoux (), France. A staircase tower or stair tower (German: Treppenturm, also Stiegenturm or Wendelstein) is a tower-like wing of a building with a circular or polygonal plan that contains a stairwell, usually a helical staircase.
Cantilevered stairs, or floating stairs, are a type of staircase. A metal safety rail has been added to the outside of this cantilevered stone staircase. A cantilever is a beam , which is anchored at only one end.
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