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A space elevator built according to the Edwards proposal is estimated to have total cost of about $40 billion (that figure includes $1.56 billions operational costs for first 10 years). Subsequent space elevators are estimated to cost only $14.3 billion each. [14] For comparison, in potentially the same time frame as the elevator:
A space elevator is conceived as a cable fixed to the equator and reaching into space. ... construction costs, ... conventional rocket designs cost about US$12,125 ...
MTA Chairman Richard Ravitch said that "the costs of station accessibility are enormous and the benefits illusory", arguing that few people would use the elevators, and noting that it would cost $1 million to make each station accessible, and the high cost of maintenance and security requirements.
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.
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The International Union of Elevator Constructors (IUEC) is a trade union in the United States and Canada that represents members who construct, modernize, repair, and service elevators, escalators, moving walkways, and other conveyances. The IUEC claims a membership of over 25,000.
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