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File talk:World Trade Center Building Design with Floor and Elevator Arrangment.svg Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
Mechanical systems drawing is a type of technical drawing that shows information about heating, ventilating, air conditioning and transportation (elevators and escalators) around a building. [1] It is a tool that helps analyze complex systems.
It modified that file by 1) regenerating it as an .SVG. And, 2) clarifying that the cable rotates with the Earth and remains vertical. This file obsoletes both en:File:Space_elevator_structural_diagram--corrected_for_scale+CM+etc--regenerated_as_SVG.svg and File:Space elevator structural diagram.svg.
Mechanical floors are generally counted in the building's floor numbering (this is required by some building codes) but are accessed only by service elevators. Some zoning regulations exclude mechanical floors from a building's maximum area calculation, permitting a significant increase in building sizes; this is the case in New York City . [ 1 ]
The elevators in a skyscraper are not simply a necessary utility like running water and electricity, but are in fact closely related to the design of the whole structure. A taller building requires more elevators to service the additional floors, but the elevator shafts consume valuable floor space.
The John Hancock Center's sky lobby on the 44th floor serves only the residential portion of the building that occupies 48 floors (floors 45–92). Three express elevators run from the residential lobby on the ground floor to the 44th floor, with all three of the elevators stopping at one of the parking garage levels. [5]
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A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.