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Learn more →The Ponderosa Mine Closure Project (PKAA) is a Colorado Division of Reclamation, Mining & Safety (DRMS) procurement to perform environmental and safety-focused mine-closure work at abandoned mine features. The contractor will install grated shaft closures, machine backfill, monolithic plug closures, corrugated steel pipe adits and perform maintenance/repairs at multiple mine openings in Clear Creek and Gilpin Counties. The opportunity is a Documented Quote (DQ1) with an estimated value range shown on the aggregator and will be posted on the Colorado VSS procurement site for vendor response.
Posted Date
Dec 10, 2025
Due Date
Feb 11, 2026
Release: Dec 10, 2025
Close: Feb 11, 2026
The Ponderosa Mine Closure Project (PKAA) is a Colorado Division of Reclamation, Mining & Safety (DRMS) procurement to perform environmental and safety-focused mine-closure work at abandoned mine features. The contractor will install grated shaft closures, machine backfill, monolithic plug closures, corrugated steel pipe adits and perform maintenance/repairs at multiple mine openings in Clear Creek and Gilpin Counties. The opportunity is a Documented Quote (DQ1) with an estimated value range shown on the aggregator and will be posted on the Colorado VSS procurement site for vendor response.
AvailableThe State of Colorado Division of Reclamation, Mining and Safety (DRMS) issued an Invitation for Bids to close and reclaim the Mineral Mountain Mine. The contractor will provide all labor, materials, and services including mobilization/demobilization, a Project Safety/Health/Environmental Action Plan, sediment control (over ~425 linear feet), and installation of mine closures (machine backfill, polyurethane foam, monolithic plugs, etc.). The contract must be completed within 40 calendar days from Notice to Proceed and requires bid guarantee and performance/payment bonds along with required insurance and other documents.
Posted Date
Dec 10, 2025
Due Date
Mar 25, 2026
Release: Dec 10, 2025
Close: Mar 25, 2026
The State of Colorado Division of Reclamation, Mining and Safety (DRMS) issued an Invitation for Bids to close and reclaim the Mineral Mountain Mine. The contractor will provide all labor, materials, and services including mobilization/demobilization, a Project Safety/Health/Environmental Action Plan, sediment control (over ~425 linear feet), and installation of mine closures (machine backfill, polyurethane foam, monolithic plugs, etc.). The contract must be completed within 40 calendar days from Notice to Proceed and requires bid guarantee and performance/payment bonds along with required insurance and other documents.
AvailableThe Ponderosa Mine Closure Project (PKAA) is a Colorado Division of Reclamation, Mining & Safety (DRMS) procurement to perform environmental and safety-focused mine-closure work at abandoned mine features. The contractor will install grated shaft closures, machine backfill, monolithic plug closures, corrugated steel pipe adits and perform maintenance/repairs at multiple mine openings in Clear Creek and Gilpin Counties. The opportunity is a Documented Quote (DQ1) with an estimated value range shown on the aggregator and will be posted on the Colorado VSS procurement site for vendor response.
Posted Date
Dec 10, 2025
Due Date
Feb 11, 2026
Release: Dec 10, 2025
Close: Feb 11, 2026
The Ponderosa Mine Closure Project (PKAA) is a Colorado Division of Reclamation, Mining & Safety (DRMS) procurement to perform environmental and safety-focused mine-closure work at abandoned mine features. The contractor will install grated shaft closures, machine backfill, monolithic plug closures, corrugated steel pipe adits and perform maintenance/repairs at multiple mine openings in Clear Creek and Gilpin Counties. The opportunity is a Documented Quote (DQ1) with an estimated value range shown on the aggregator and will be posted on the Colorado VSS procurement site for vendor response.
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