^ I've seen the graphic of the lower floors, but I don't remember where, I'll have to find it.
But this tower does have 3 components - office, residential, retail/restaurant.
Floor 1 : Retail, office/residential/restaurant lobbies
Floors 2 - 3 : Club/restaurant
Floors 4 - 28 : Office
Floors 29 - 30 :
Mechanical
Floors 31 - 49 : Residential
Floors 50 - 51 : Mechanical
Floors 52 - 68 : Residential
Floor 69 : Lounge, Reading Room, Solarium
Floor 70 : Mechanical