PKAA, Madonna Project

The Colorado Department of Natural Resources, Division of Reclamation, Mining and Safety is requesting documented quotations for mine closure and safeguarding work at the Madonna Project above Monarch Limestone Quarry in Chaffee County, with bids due June 24, 2026 by 5:00 p.m. MT and bid opening June 25, 2026 (Amendment 1 extended the deadline from June 15). A mandatory pre-bid meeting and site showing has been rescheduled to June 10, 2026 at 11:00 a.m. MT due to access road conditions.

The scope involves closing 12 adits and 9 shafts using steel grates, polyurethane foam plugs, and grated corrugated steel pipes set in bulkheaks across 20 identified features (M-01 through M-22, excluding M-21). All features are classified as private ownership. Construction is scheduled between July 8 and September 5, 2026, with a maximum 60 calendar days after Notice to Proceed, including 10 days for mobilization.

Service-Disabled Veteran Owned Small Businesses registered with the U.S. Small Business Administration's Center for Veteran Enterprise are eligible for a 5 percent preference on their bid price. The project is funded in whole or in part by federal funds from the Department of the Interior/Office of Surface Mining Reclamation and Enforcement under Assistance Listing Number 15.252 and state Severance Tax.

Contractors must comply with Davis-Bacon Act prevailing wage requirements, the Build America, Buy America Act, and the Buy Clean Colorado Act for eligible materials. Performance and Labor and Material Bonds equal to 100 percent of the original contract price are required for bids of $150,000 or greater. Liquidated damages are set at $400 per day, and 5 percent retainage will be withheld until satisfactory completion. Comprehensive insurance coverage is required including workers' compensation, commercial general liability ($1 million minimum), automobile liability ($1 million minimum), pollution liability ($1 million minimum), and aircraft liability ($5 million minimum) if aircraft or drones are used.

Bids must be submitted electronically via Colorado Vendor Self Service with completed Bid Schedule and List of Equipment Offered form. Written inquiries are due June 4, 2026 at 5:00 p.m. to Teresa Donaldson (teresa.donaldson@state.co.us).