generally speaking for a concrete high-rise condo you average 1month per floor or so.
ex. a 24 storey tower would be about 2 yrs to go from ground breaking to substantial completion.
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"The destructive effects of automobiles are much less a cause than a symptom of our incompetence at city building" - Jane Jacobs 1961ish
Wake me up when I can see skyscrapers
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