Langan has earned a Grand Award for Engineering Excellence from the Florida Institute of Consulting Engineers for the foundation design to support the tallest high-rise building in Florida. The Four Seasons Hotel and Tower, a mixed-use development consisting of condominium, hotel, office and retail components, is the tallest residential building south of New York City. Multiple interconnected structures include a 70-story tower, a surrounding 16-level podium, banquet facility, and a 7-level parking garage.

Our geotechnical engineers solved the underground challenges associated with the difficult South Florida geology and designed a unique foundation system for this record breaking tower. Specialized foundation systems were required due to the compressible nature of the South Florida geology, the unprecedented loads of a 70-story reinforced concrete structure, and the requirements for design in the hurricane prone region along Biscayne Bay.

The foundation systems consisted of a unique combination of: