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A drawing the intended locations of plant items and service routes in such detail as to indicate the design intent. The main features of detailed design drawings should be as follows: Plan layouts to a scale of at least 1:100. Plant areas to a scale of at least 1:50 and accompanied by cross-sections.
The original can be viewed here: World Trade Center Building Design with Floor and Elevator Arrangment.svg: . Modifications made by MacRudi. Licensing.
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.
Shop drawings are produced by contractors and suppliers under their contract with the owner. The shop drawing is the manufacturer’s or the contractor’s drawn version of information shown in the construction documents. [1] The shop drawing normally shows more detail than the construction documents.
[2] [3] Typically in axonometric drawing, as in other types of pictorials, one axis of space is shown to be vertical. In isometric projection , the most commonly used form of axonometric projection in engineering drawing, [ 4 ] the direction of viewing is such that the three axes of space appear equally foreshortened , and there is a common ...
Elisha Otis's elevator patent drawing, 15 January 1861. The first elevator shaft preceded the first elevator by four years. Construction for Peter Cooper's Cooper Union Foundation building in New York began in 1853. An elevator shaft was included in the design because Cooper was confident that a safe passenger elevator would soon be invented. [12]
Thus, the local elevators can be stacked within the same elevator shaft. [78] Located on the 44th and 78th floors of each tower, the sky lobbies enabled the elevators to be used efficiently, while also increasing the amount of usable space on each floor from 62 to 75 percent by reducing the number of required elevator shafts. [ 79 ]
The floor plan for the 320th floor shows a single, open staircase, not separated from the surrounding office space in any way, not even with a door. The floor plan of the 528th floor shows that access is solely by a single elevator, with no staircase at all. Wright believed that because his building was fireproof, any fire precautions would be ...