Sigma civil and survey work for building and site expansion

Brookfield, Wisconsin


The Sigma Group was retained to provide civil engineering and survey services for the Milwaukee Tool building expansion and site redevelopment at their headquarters in Brookfield, Wisconsin.

Consisting of a 51,680 square-foot, four-story office building and 210,418 square feet of additional parking and associated landscaping, the proposed redevelopment aims to be home to nearly 600 new Milwaukee Tool engineering and marketing related jobs over the next five years.

Sigma’s involvement in the project ranged from existing site preliminary engineering plans to providing civil construction documents. An extensive stormwater management plan was required to facilitate meeting the stormwater quantity performance standards and stormwater quality standards outlined by the Metropolitan Milwaukee Sewerage District and Wisconsin Department of Natural Resources.

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With 183,240 square feet of new pavement and 206,602 square feet of existing pavement, the Milwaukee Tool stormwater management plan is quite robust. The biofiltration basin is significant resulting in a cost-effective and minimal land use approach.

The Milwaukee Tool project biofiltration basin