PKAA, Querida Phase 2 Project

The Colorado Department of Natural Resources, Division of Reclamation, Mining and Safety is issuing a Request for Documented Quotations (DQ) for the PKAA Querida Phase 2 Project, a hazardous mine feature closure and remediation initiative. The project encompasses safeguarding and closing multiple mine features including adits, prospect shafts, and shafts through various closure methods such as machine backfill operations, corrugated steel pipe installations with bat ladders, bat grate installations, polyurethane foam closures, and steel grated shaft closures. Work deliverables include mobilization and demobilization, preparation of a project Safety, Health, and Environmental Action Plan (SHEAP), installation of sediment control measures utilizing 175 linear feet of biodegradable excelsior wattles, closure of eleven guaranteed mine features and two contingent features with specified methods and materials, and provision of additional materials and equipment time as needed. Key requirements include compliance with comprehensive safety and environmental protocols, mandatory MSHA 40-hour underground mine safety training for underground workers, White-Nose Syndrome prevention procedures for cave/mine equipment, Davis-Bacon Act wage compliance with certified weekly payroll reporting, and Build America Buy America Act domestic content requirements for iron, steel, and construction materials. Bidders must submit sealed bids exclusively through Colorado Vendor Self Service by 4:00 p.m. Mountain Time on May 12, 2026, with bid opening scheduled for May 13, 2026; written inquiries must be submitted by noon on April 24, 2026; and a pre-bid meeting with mandatory site inspection was held prior to the project announcement. Evaluation will be based primarily on Grand Total Price, with consideration for lowest responsible bidder status and capability to meet the 45-calendar-day project schedule (June 15 through July 29, 2026, including ten days for mobilization).

Service-Disabled Veteran Owned Small Businesses (SDVOSB) are eligible for a 5% bid preference consideration. Bidders must submit completed bid schedules, a List of Equipment Offered form detailing all proposed equipment with specifications, and SDVOSB certification if applicable; bids without these required documents may be deemed non-responsive. All contractors and employees must read and sign acknowledgment of the SHEAP prior to commencing work, with mandatory use of personal protective equipment, weekly documented safety meetings, and compliance with specific protocols for hazardous waste management, fire protection, hot work operations, and hanta virus prevention. The project requires all equipment to be equipped with rubber tracks due to increased fire danger in Custer County. Contracts exceeding $150,000 require Performance and Labor and Material Bonds at 100% of contract value, with 5% retainage withheld until satisfactory completion; liquidated damages are assessed at $400 per day for project delays. The successful bidder must submit insurance certificates, executed agreements, and subcontractor lists within 10 days of Notice of Intent to Award. The project is funded through federal grant money from the U.S. Department of Interior, Office of Surface Mining, Reclamation and Enforcement via Title IV of the Surface Mining Control and Reclamation Act and Colorado Severance Tax collections, though specific award values or budget ranges are not disclosed in the available procurement documents.