The project, dubbed the Mercantile Exchange, also includes525,000 sf of new and redeveloped office space, another 101 condosand 125,000 sf of retail, and 1,200 new parking spaces. Thedevelopment is bounded by Seventh St., Convention Plaza, BroadwaySt. and Olive St.

The retail portion will be added to the 300,000-sf Macy's, aproperty formerly known as the Railway Exchange Building. GeneralGrowth Properties, based in Chicago, will handle the retail leasingfor the project. The venture plans to contain new stores thatinclude apparel and furniture, restaurants, entertainment, publicart and music venues, according to a statement.

The 25-story St. Louis Centre building, which includes theformer TWA home, the One City Centre office tower, will beredeveloped and renamed the Concord. The development will alsoinclude the vacant Mercantile Library building at Sixth and Locuststreets. The joint venture is reportedly receiving about $115million in tax incentives for the project.