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Wiegmann Associates Completes Work on 22-story Apartment and Retail Building in Minneapolis

As the Engineer of Record and mechanical contractor for the design/build project, Wiegmann was responsible for designing and installing the HVAC system and a building automation system for the entire 480,000-square-foot, multi-use building. The general contractor was Weis Builders and the architect was Tushie Montgomery Architects. The co-developers were CA Ventures and Harlem Irving Companies.

The building features the 346-unit apartments and 20,000-square-feet of ground-floor retail space. Amenity spaces include golf simulator and game rooms, private dining and party rooms, yoga studio, fitness center, sauna, an indoor spa pool and spa outside on the 19th-floor deck.

The HVAC design solution met the client’s goal of a mechanical system that provides future tenants with a living space while balancing first-cost with energy-saving measures. The HVAC system features a central plant with a cooling tower, pumps and boilers, which distribute condenser water to water-source heat pumps to serve all of the residential units, retail and amenity spaces with optimal comfort and energy efficiency. 

Providing ventilation for the two floors of underground parking posed major HVAC design challenges. Between using building information modeling and close coordination with the architect, Wiegmann identified acceptable locations for the heating and ventilation equipment to maintain clear height requirements.

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