Quote:
Originally Posted by scalziand
The site is currently zoned for ~450,000 sf, less than the existing building of 567,000 sf.
30% more air rights would be barely enough to make the current building permissible.
Of course, more could be obtained by using the plaza, arcade, etc. bonuses.
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No, the zoning doesn't work like that if you keep the building foundation.
You can built up to the current built form if you keep the foundation structure, meaning the upzoning would be from the existing building size. Current FAR (Floor Area Ratio) is irrelevent if you keep the base.
So if the zoning is increased, say 30%, it would give you a maximum floor ara of 737,100.
A good example of this would be Time Warner Center, which kept the base of the previous structure (NY Coliseum) and is technically an alteration, not a new building.