When is the deadline for the State of Colorado RFP?

The deadline for this RFP is Aug 19, 2026. Make sure to submit your proposal before this date to be considered.

What is State of Colorado looking for?

The solicitation (PKAA, Cottonwood Mine Closure Project) is an Invitation for Bid to perform mine-closure and maintenance work including mobilization/demobilization, safety and health planning, sediment and erosion control, and installation/repair of mine closures (shafts, adits, stopes). The bid schedule lists multiple line items (11 items noted) with detailed unit pricing required and submission is required through the Colorado VSS procurement system.

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PKAA, Cottonwood Mine Closure Project

Available

Colorado Division of Reclamation, Mining and Safety

The PKAA Cottonwood Mine Closure Project is a construction solicitation issued by the Colorado Division of Reclamation, Mining and Safety (DRMS) for the closure and safeguarding of abandoned mine features at the Cottonwood Mine located in Clear Creek and Gilpin Counties, Colorado. The project involves work on twelve new mine features and six maintenance features using standard abandoned-mine closure and reclamation methods. This is part of the State's Inactive Mine Reclamation Program (IMRP) and is posted on the Colorado Vendor Self Service (VSS) system.

Posted Date

Jun 30, 2026

Due Date

Aug 19, 2026

View Details →

PKAA, Cottonwood Mine Closure Project

Release: Jun 30, 2026

Colorado Division of Reclamation, Mining and Safety

Close: Aug 19, 2026

The PKAA Cottonwood Mine Closure Project is a construction solicitation issued by the Colorado Division of Reclamation, Mining and Safety (DRMS) for the closure and safeguarding of abandoned mine features at the Cottonwood Mine located in Clear Creek and Gilpin Counties, Colorado. The project involves work on twelve new mine features and six maintenance features using standard abandoned-mine closure and reclamation methods. This is part of the State's Inactive Mine Reclamation Program (IMRP) and is posted on the Colorado Vendor Self Service (VSS) system.

Available

View Details →

PKAA, Cottonwood Mine Closure Project RFP

Available

Colorado Department of Natural Resources

The project work will include safeguarding twelve (12) new features and six (6) maintenance features employing a variety of closure meth.

Posted Date

Jun 29, 2026

Due Date

Aug 19, 2026

View Details →

PKAA, Cottonwood Mine Closure Project RFP

Release: Jun 29, 2026

Colorado Department of Natural Resources

Close: Aug 19, 2026

The project work will include safeguarding twelve (12) new features and six (6) maintenance features employing a variety of closure meth.

Available

View Details →

PKAA, Gold Creek Project

Available

State of Colorado

The Gold Creek Project (Solicitation ID DQ1-PKAA-2026000532-1) requests installation of mine closures (including bat grates and polyurethane foam closures) at multiple features across Colorado and requires mobilization/demobilization and an approved project safety, health, and environmental action plan. Bidders must complete the bid schedule and provide lump-sum pricing for each line item across the listed features (the posting indicates 13 features to be closed). Procurement contact information is provided for the State of Colorado and the official solicitation documents and attachments are available from the State of Colorado vendor portal under the solicitation number above.

Posted Date

Jun 29, 2026

Due Date

Aug 4, 2026

View Details →

PKAA, Gold Creek Project

Release: Jun 29, 2026

State of Colorado

Close: Aug 4, 2026

The Gold Creek Project (Solicitation ID DQ1-PKAA-2026000532-1) requests installation of mine closures (including bat grates and polyurethane foam closures) at multiple features across Colorado and requires mobilization/demobilization and an approved project safety, health, and environmental action plan. Bidders must complete the bid schedule and provide lump-sum pricing for each line item across the listed features (the posting indicates 13 features to be closed). Procurement contact information is provided for the State of Colorado and the official solicitation documents and attachments are available from the State of Colorado vendor portal under the solicitation number above.

PKAA, Gold Creek Project

Available

Colorado Division of Reclamation, Mining and Safety

The Colorado Department of Natural Resources, through its Division of Reclamation, Mining and Safety (DRMS), is soliciting bids on the PKAA, Gold Creek Project for the Inactive Mine Reclamation Program (IMRP). The work involves safeguarding 11 adits and 3 shafts using various methods including polyurethane foam plugs, steel grates, and grated corrugated steel pipes set in native rock bulkheads. Compliance with Davis-Bacon wage standards applies, and the original solicitation was issued on the Colorado Vendor Self Service (VSS) portal as solicitation DQ1-PKAA-2026000532-1.

Posted Date

Jun 29, 2026

Due Date

Aug 4, 2026

View Details →

PKAA, Gold Creek Project

Release: Jun 29, 2026

Colorado Division of Reclamation, Mining and Safety

Close: Aug 4, 2026

The Colorado Department of Natural Resources, through its Division of Reclamation, Mining and Safety (DRMS), is soliciting bids on the PKAA, Gold Creek Project for the Inactive Mine Reclamation Program (IMRP). The work involves safeguarding 11 adits and 3 shafts using various methods including polyurethane foam plugs, steel grates, and grated corrugated steel pipes set in native rock bulkheads. Compliance with Davis-Bacon wage standards applies, and the original solicitation was issued on the Colorado Vendor Self Service (VSS) portal as solicitation DQ1-PKAA-2026000532-1.

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PKAA, Cottonwood Mine Closure Project

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