Quote:
Originally Posted by pianowizard
If they were stacked on top of each other, the total square footage would be unchanged while the cost of construction might not be much higher...
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It's not that simple...taller buildings require more of their floor plan to be eaten up by lateral system and elevators and mechanicals....reducing the usable/sellable/rentable floor plan. There are also very expensive foundation concerns when you get very very tall.
There is a reason why the 40 to 60 story apartment building is so ubiquitous in Chicago. It is the sweet spot for a cheap/less complicated lateral system, and caisson foundations that are pretty standard and easy in Chicago's relatively shallow clay layer, while still cramming in lots and lots of area.