This elementary school's dense urban site prompted planners to locate a playground on its roof, alongside vegetative gardens that helped qualify the structure for LEED-Gold certification.

Construction of the 6,000-sq-ft Three Sixty Rooftop Bar occurred atop the 25-story Hilton St. Louis at the Ballpark, with the structural engineer resolving the issue of steel reinforcement by applying a reinforcing material to the underside of an existing concrete slab.

One of the last major private developments in Chicago to be financed prior to the recession, the 42-story, 600,000-sq-ft 200 Squared at Lake and Wells houses 329 luxury apartments in an environment brimming with sustainable systems and finishes.

This lobby renovation sets the stage for the rebirth of the 600 Washington Office Tower, one of several buildings whose age has hampered efforts to attract businesses to downtown St. Louis.

The $176-million, 300,000-sq-ft Wisconsin Institute for Discovery serves as a hub for interdisciplinary research, uniting scientists from a broad spectrum of disciplines while immersing them in the arts and humanities; education and outreach; and the process of interdisciplinary research itself.

Health and well-being are the stock in trade of Wellmark Blue Cross and Blue Shield, so it should come as no surprise that the insurer's new $194-million headquarters in Des Moines, Iowa, comes equipped with ergonomic workstations, a fitness center and a restaurant that eschews sugar highs by offering low-cal pies.

This $245-million project called for reconfiguration of existing lanes, construction of additional driving lanes, reconstruction and reconfiguration of five interchanges, construction or reconstruction of 12 bridges and construction of the cable-stayed Christopher S. Bond Bridge across the Missouri River.

The ambitious $44-million Scioto Mile seeks to revive the Columbus, Ohio, riverfront as a public attraction with the addition of a park containing an amphitheater, restaurant and fountain, and an accompanying 30-ft-wide promenade, replete with a pedestrian walkway, canal fountains, a colonnade and card and chess tables. Photo Courtesy of Messer Construction Co. The project team was not only required to address the complexities of this sprawling urban project, but coordinate with 16 additional projects in neighboring areas, including a new vehicle bridge over the Scioto River. Among other challenges, the program called for removal and offsite restoration of an

The Dayton, Ohio-based Center for Tissue Innovation and Research houses 14 state-of-the-art clean-rooms to process human tissue for bone, skin and tissue grafts, in addition to R&D facilities to further advance tissue transplant technology.

The opportunity to construct a new replacement hospital afforded the Elmhurst, Ill.-based Elmhurst Memorial Healthcare the opportunity to rethink the way it delivered patient services. was evaluated on