You solve this by making sure every unit has part of it along the curtain wall, the units might need to be more narrow vs more rectangular, but most office towe

You solve this by making sure every unit has part of it along the curtain wall, the units might need to be more narrow vs more rectangular, but most office towers have a 20k sq ft floor plate where the curtain wall is never more than 50-70 ft from the building core (elevators and mechanical/electrical rooms)