The U.S. Department of the Interior’s Office of Surface Mining Reclamation & Enforcement (OSMRE) is seeking a qualified small‑business contractor to design, construct, and commission a multi‑stage passive treatment system for acid‑mine‑drainage (AMD) remediation at the Pollyanna #2 site in Latimer County, Oklahoma. The scope includes site preparation, pond de‑watering, installation of HDPE collection pipe, construction of limestone treatment beds, dosing siphon vaults, concrete flow‑spreader structures, wetland restoration, permanent erosion control, and fencing. The contract is a fixed‑price award valued between $1 million and $5 million, with a performance period of one year (Jan 19 2027 – Jan 18 2028). The solicitation is set‑aside for 100 % small‑business firms and requires compliance with Davis‑Bacon wage determinations, Buy‑American provisions, and DEI participation goals.
• Scope of work: earthwork, HDPE pipe installation, concrete structures, limestone fill, wetland seeding, erosion control, fencing, and demolition of legacy equipment.
• Location: Latimer County, Oklahoma (approx. 34°52′7.78″ N, 95°28′2.10″ W).
• Contract type: Fixed‑price, small‑business set‑aside, with performance and payment bonds required if award > $150 k.
• Key dates: Pre‑bid site visit (optional) on Oct 20 2026; questions due Oct 27 2026; bid due Nov 6 2026; performance period Jan 19 2027‑Jan 18 2028.