U.S. Army Engineer District Detroit
FederalMI
Jul 30, 2026
Closes
Aug 30, 2026
Tar Lake Superfund ((Request for Proposals)) Mancelona Township
Provide environmental services for the excavation of contaminated soil and expansion of a bio-sparge system. The project will involve excavation of approximately 172,500 tons of contaminated soil with temporary shoring, backfilling with clean imported soils, installing 45 new bio-sparge wells, and an approximately 160 square foot pre-engineered structure to house the compressors. See attached file.