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2020 ReScape Awards: Braun Intertec Project Winners

Two projects Braun Intertec participated in recently won awards at the 2020 Minnesota Brownfields ReScape awards event. Annually, the ReScape Awards recognize projects that reflect innovation, collaboration, and exemplary results in revitalizing formerly contaminated land.

Of the ten finalists, Braun Intertec was on the project team for two winners: Union Flats Apartments, which won the Environmental Impact Award – Large Project, and Minnesota Drive Medical Campus, which won the Economic Impact Award – Large Project and Innovation Award.

Union Flats – Environmental Impact Award – Large Project

Union Flats Apartments
Union Flats Apartments

Braun Intertec served as the environmental consultant and geotechnical engineer for the new, affordable, transit-oriented development apartment community called Union Flats in St. Paul, Minnesota. Union Flats is comprised of 217 homes with a four-story over one-story underground parking construction.

Union Flats was once home to Northwestern Blaugus Company, a bulk petroleum storage facility, and Hunt Electric. The site had many environmental issues due to more than a century of commercial and industrial use. Braun Intertec completed multiple response actions concurrently with redevelopment activities, including removal of asbestos-containing materials within the former structures, disposal of more than 34,000 tons of contaminated soil, and remediation of an unexpected buried tank/vault containing thousands of gallons of petroleum and phenolic impacted liquid, solids/sludge, and debris. Our consultants also installed a sub-slab vapor mitigation system to prevent potential vapor intrusion into the new building.

Braun Intertec also helped obtain cleanup funding from multiple grant sources to help offset remediation costs. The project generated more than 200 construction jobs during its duration and the net property value change between before and after redevelopment is $38,000,000. The development of Union Flats has transformed a formerly contaminated and underutilized site into a unique housing project that has addressed affordable housing needs in the community and provided multi-modal transportation options for commuting residents. 

Sub-slap vapor mitigation system
Sub-slap vapor mitigation system
Stormwater system installation at the site
Stormwater system installation at the site

Minnesota Drive Medical Campus – Economic Impact Award – Large Project and Innovation Award

Minnesota Drive Medical Campus

Braun Intertec provided environmental services throughout the Minnesota Drive Medical Campus project, including Phase I and Phase II Environmental Site Assessments (ESAs); Minnesota Pollution Control Agency (MPCA) Brownfields Program guidance and requirements; Response Action Plan preparation and implementation; and assistance with obtaining and administering over $800,000 in environmental cleanup grants from DEED and the Metropolitan Council. The site was undeveloped land until the mid-1950s and then was part of an aggregate mining operation and landfill (i.e., part of the historic “France Avenue Dump”) until the early 1960s.

The site was redeveloped with a three-story medical office building, a two-level parking ramp, a stormwater management system, and associated paved parking. Contaminated soil was encountered across the majority of the site, and included petroleum impacts and various landfill debris, including glass, brick, concrete, lumber, demolition debris, plastics, rubber, tires, textiles, ceramics, and ash. Environmental cleanup activities included excavation and off-site disposal of 20,453 tons of impacted soil, including 1,837 tons of asbestos-containing waste. A methane mitigation system was installed beneath the new building to prevent methane accumulation and intrusion.

Braun is proud to have served as the consultant of choice for these ReScape award winners. To watch the awards event, click here.