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American Transmission Company

Zimmerman was hired to design and engineer the 3 story, 152,000 SF facility. The building consolidates the corporate headquarters and operations center of the American Transmission Company. ATC is responsible for nearly 10,000 miles of high-voltage transmission line and 510 substations that provide communities access to local the regional energy sources. Clearly corporate efficiency was a key factor in the design. “We wanted to have the efficiency of being together in one building rather than shuffling back and forth,” says company founder Jose Delgado.

For the fist time in the company’s history, it’s 275 employees were to be under one roof. Given the the two distinct functions of this building, the designer team made sure to accommodate security of information and privacy while, at the same time allowing for collaboration and interaction. Designed environments such as: open work areas, spacious corridors and common meeting areas (inside and out) provided controlled interaction while keeping the building’s functions sequestered in their respective space. To this effect, the building was actually constructed as two separate structures, yet from the exterior, the building reads as one continuous architectural movement.

Location: Pewaukee, Wisconsin

Size: 152,000 s.f.

Services Provided: Architectural Planning and Design, Structural, Mechanical, Plumbing Engineering, Interior Design, Landscape Architecture

Completion Date(s): June, 2009

Contractor / Construction Manager: Mortenson Construction