Great River Energy Corporate Headquarters

Provided structural engineering design services for a 150,000 square foot, four-story office building. The building was also designed with a partial basement and limited underground parking.

Location: Minneapolis, MN
Client: Perkins+Will
Services: Structural
Square Feet: 150,000
Construction Materials: Structural Steel, Cast-in-Place Concrete, Post-Tensioned Concrete, Composite Metal Deck
The building structure was a post-tensioned flat plate concrete structure.  Limited portions of the roof and floor framing were completed with structural steel.  The project was awarded a platinum LEED certification, the first such building in Minnesota.  Sustainable design features related to structural engineering in the building included a floor plan arranged to maximize day lighting, the substitution of a minimum of 40% fly ash for Portland cement in the concrete, raised access flooring for underfloor air distribution, photovoltaic panels on the roof, and an on-site wind turbine.