Grandview Commons, Dexter, MI

Environmental and Economic Development services for residential redevelopment in Downtown Dexter, Michigan.

THE PROJECT

The Mosaic Eastern Market project is an adaptive commercial mixed-use collective that will contain Eastern Market Corporation’s accelerator/commissary facility for food entrepreneurs, along with an eclectic mix of food and creative related business tenants. The $24 million project will renovate an existing 111,855-square foot building. The renovated building will feature, flexible commercial/office space, food accelerator space, restaurant space, and common area and special event space. Mosaic Eastern Market will also be an example of green energy generation with the anticipated installation of an approximately 3,355-panel, 1,107-kilowatt solar array on the roof.

The completed redevelopment project will revive this long-vacant property and support the culture of Eastern Market.

OUR ROLE

AKT Peerless performed environmental due diligence (Phase I ESA, Phase II ESA, BEA, and Documentation of Due Care Compliance), remediation services and oversight and secured brownfield incentives (Brownfield Tax Increment Financing).

The contamination identified at the property included heavy metals (arsenic, cadmium, chromium, copper, silver, and zinc), semi-volatile organic compounds (SVOCs), volatile organic compounds (VOCs) and polychlorinated bi-phenyls (PCBs) in soil and/or groundwater. A 12,000-gallon heating oil UST was also discovered using AKT Peerless’ in-house ground-penetrating radar team and was subsequently removed from the ground along with the surrounding soils to accommodate the new development.

AKT Peerless conducted a supplemental subsurface investigation to define the horizontal and vertical extents of the PCB contamination and then prepared a self-implementing PCB cleanup work plan which was subsequently approved by the USEPA. Additionally, AKT Peerless conducted targeted soil gas sampling in the areas of the proposed construction to evaluate the vapor intrusion exposure pathway. This data was used to design and install sub-slab depressurization systems in select structures. AKT Peerless also completed sampling of the proposed green spaces using the incremental sampling methodology to evaluate the direct contact exposure pathway.

THE RESULTS

A Brownfield Plan was approved for the Grandview Commons project which included $2.3 million of eligible activities to be reimbursed through tax increment financing.  To date, remediation included the excavation, transport, and disposal of over 16,500 tons of contaminated soil.  Incremental sampling of several of the proposed green spaces areas has also been completed. Active subslab vapor mitigation systems have been and will continue to be installed in several of the buildings.  

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