PWP Landscape Architecture

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UBS Tower/One North Wacker Drive

Location

Chicago, Illinois

Completion Date

2002

Client

John Buck Company

Architect

Lohan Caprile Goettsch Associates

Categories

>Civic Landscapes

The landscape for a 52-story office tower in downtown Chicago is a 40-foot-wide protected linear way that runs for one block along the side of the building. Vaults running just below the sidewalk made conventional tree wells impossible. A series of specially formed hemispherical armatures that sustain ground-cover growth and allow the root balls of the trees to remain above ground was the solution. Each is surrounded by a radial stone bench. The pedestrian passage ends in a small square with three large bench planters, each with a treeless hemisphere floating in a pool of water where the reflection turns the mound into a perfect sphere. Flowerbeds and flowering fruit trees transform the space into a popular summer lunch venue.

Consultants

 Design/Build: Wingren Walsh; Construction: Walsh Landscape Construction