An eccentric cantilever and stepping perimeter columns allow a Chicago luxury apartment tower to dramatically capture space at height. (Image: Angie McMonigal Photography)
Floating high above the sea of historic mid- and high-rises framing Grant Park in Chicago’s South Loop neighborhood, 1000M—Helmut Jahn’s final and tallest Chicago tower project—is a masterclass in found space. The 788- foot, 73-story luxury apartment tower at 1000 South Michigan Avenue opened in June 2024. MKA’s straight, vertical, and orthogonal design of the tower’s initial 10 floors provides stability to the more structurally complex, space-reclaiming features above, including a cantilever that extends over a neighboring building and incrementally increasing floorplates that create an expanding twist in the building with height. Dual-purpose water tanks located on the tower’s rooftop level serve to dampen the structural response and provide the fire suppression water reservoir.
See the full article in STRUCTURE Magazine here.