PKAA, DRUM Little Long North Project

The Colorado Division of Reclamation, Mining and Safety is requesting documented quotations for the PKAA DRUM Little Long North Project, a mine closure initiative on Bureau of Land Management lands 40 miles north of Dove Creek in Montrose and San Miguel counties, with bids due September 10, 2026 at 4:00 p.m. MT and a mandatory virtual pre-bid meeting on August 25 at 11:00 a.m. MT. A 5% bid preference applies to Service-Disabled Veteran Owned Small Businesses registered with the U.S. Small Business Administration.

The scope encompasses closure and remediation of 35 mine features (adits, shafts, vents, prospects, and subsidence features) using bulkheads, bat grates, cable nets, backfill, polyurethane foam, and grated corrugated steel pipes, with revegetation requirements. Bidders must meet minimum prequalifications: documented experience on two or more mine safety closure projects and one or more mine closure project in steep, rugged conditions with rockfall hazards. Work must comply with comprehensive safety and environmental action plan (SHEAP) requirements including radon progeny monitoring with fitted P100 respirators, gamma radiation dosimetry with 2 rem annual exposure limits, Davis-Bacon prevailing wage rates (effective May 18, 2026, covering Montrose and San Miguel counties), Build America Buy America Act provisions, and Buy Clean Colorado Act requirements for eligible materials. The project schedule runs October 5 through November 30, 2026, with liquidated damages of $400 per day for schedule delays. Performance and Labor and Material Bonds at 100% of contract value are required if the bid exceeds $150,000, with 5% retainage held until completion. Insurance must include Workers' Compensation, Commercial General Liability ($1,000,000 per occurrence), Automobile Liability ($1,000,000), Pollution Liability ($1,000,000), and Aircraft Liability ($5,000,000) if helicopters are used. All costs for safety and environmental measures are included in bid items. Contractors must own equipment or provide firm lease arrangements. Bids must be submitted via Colorado Vendor Self Service (ColoradoVSS) with acknowledgment of all amendments; late bids are not accepted unless deemed acceptable by the DNR Purchasing Director. Written inquiries are due August 27 at 5:00 p.m. Contact Teresa Donaldson at teresa.donaldson@state.co.us.