[Chronamut]

Speaking from an architects perspective - that roof overhang probably wouldn't be able to handle snow loads and would most likely have to be redesigned - so the overall look would probably be changed. That or it'd involve some serious reinforced metal. The overall proposed visuals are not done by engineers or architectural technologists, which is why you often see structural changes done afterwards to factor in the engineered loads that can only be calculated once designs start.

In addition I am not sure if the core allows for jutouts with the sculpture on it as anything that can collapse out onto people is generally avoided due to the era of marquis jut outs from the old theatres collapsing and killing people. That and the pedestal the sculpture is on looks very flimsy to hold something that heavy. Nice concept, but changes would definitely be done before it ever got built. There is just too little load support in this building for it to probably even pass code.