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Toggle the table of contents. FOCSA Building. 1 language ... Size: 280 mm (11 in) wall, 171 mm (6.7 in) slab ... One of the service elevators is dedicated to the ...
Prevent closing of elevator doors when passengers approach, stand near or at the door edge, even from a flat angle. 2.5 cm from elevator cabin. 3.0 cm from elevator lobby. 50 cm for door horizontal sensing. 1.8 m for door vertical sensing. Should not fail if any fail-safe related to safety device fails.
He followed Bolton's lead and developed a "Chart for determining the number and size of elevators required for office buildings of a given total occupied floor area". In 1920, Howard B. Cook presented a paper titled "Passenger Elevator Service". [37]
The Empire State Building has 73 elevators in all, including service elevators. [100] Its original 64 elevators, built by the Otis Elevator Company , [ 80 ] in a central core and are of varying heights, with the longest of these elevators reaching from the lobby to the 80th floor.
They measure 13.5 feet (4.1 m) high on each of the podium stories and 24 feet (7.3 m) high on each of the tower stories. [173] At the base of the building, a cable-net wall surrounds the lobby on three sides. The cable-net wall is composed of panels measuring 5 feet (1.5 m) wide and 10 feet (3.0 m) tall. [174] [175]
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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]
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