The U.S. Army Corps of Engineers Detroit District is seeking capable firms for environmental construction services at a Superfund site in Mancelona Township, Michigan. The work involves excavating approximately 215,000 tons of contaminated soil, installing a biosparge system, and performing environmental monitoring. The performance period is an estimated 1,080 calendar days, with completion expected by December 2029. Interested companies must demonstrate relevant experience by providing descriptions of three similar projects completed as the prime contractor within the last ten years. This is a market research notice only, and a formal solicitation is anticipated in the third calendar quarter of 2026.