Quote:
Originally Posted by meh_cd
This whole "count it because it was built during construction of the tower" is a bad idea because the podiums for the antennae on Sears and Hancock in Chicago were built with the building as well but they are not counted in the buildings' height. Hancock in particular had some pretty high "nubs" sticking out as it were long before the building was finished.
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The difference is that in the case of 1WTC, despite if it is used for broadcasting or not, the idea of a spire as an
architectural element reaching 1776 ft. was planned from the very beggining, from the original design of the Freedom Tower of Libeskind, and then, when the architects were changed and the entire design changed as well, the concept of the spire remained, because it was part of the master plan.
In the case of Sears, Hancock, or the former WTC, as you pointed out, they planned antennas from the design too, and they took the structural previsions for the later installation of them, But
the architects of those buildings had nothing to do with the design of them. Im pretty sure they didn't apperad in the architectural blueprints (as the 1WTC spire does) Those antennas were designed later, tooking in account exclusively technichal requirements needed for them to work properly. And as a matter of fact, those antennas have changed over time, as they probably will continue to change in the future, as broadcasting requirements change.
The spire of the WTC has been
designed by the architects as part of the visual identity of the building, even the height figure of 1776 ft. is the very arbitrary number of the year of independence of the U.S. in feet, it is not fixed, although it seems near, to broadcasting requirements.
Obviously, when they took away the radome, part of the image planned by the architects was taken away as well, which I think was a mistake. But that mast has been designed by the architects, with the help of the engineers, the same way as the layout of the structure of the building itself is planned by the architects, with the help of the structural engineers.
edit. That chimney in Canada, and the even taller one in Kazakhstan, are not as tall just because they wanted to, but because they
needed to. if they could make them shorter, they certainly did, making them much more less expensive. But they did some studies, of what I am completely unaware of, that determined that those chimneys had to be that tall.