To maximize usable space on the upper floors, and thus maximize revenue from apartment sales, the mechanical equipment was placed at the base of the main tower on 58th Street. The mechanical equipment occupies six stories, each with ceiling heights of , taking advantage of a zoning provision to maximize the tower's height. Accordingly, the mechanical equipment takes up of the tower's height, and the lowest condominiums in the main tower are above ground level. The roof of the main tower contains a slosh damper, which uses a huge tank of water to reduce vibrations. The damper weighs .
