Presolicitation
Construct Interim Remedial Action (IRA) for the Nelson Tunnel Superfund Site
Department of Defense · Department of the Army
AI summaryThe U.S. Army Corps of Engineers (USACE) Omaha District plans to issue a request for proposals (RFP) in November 2026 for construction of an interim remedial action (a cleanup remedy) at the Nelson Tunnel Superfund Site, one mile north of Creede in Mineral County, Colorado. The work is to drive a new bypass adit (a horizontal mine tunnel) and build bulkheads in an abandoned mine. The RFP will be unrestricted, and the planned proposal due date is January 2027. More in the summary
Advance notice of a coming solicitation, not a bid yet. If it asks for capability statements, sending one is free and puts you on Department of the Army's list before the solicitation is posted. See the contact
AI summary Beta
Some details are in the notice's attachments, which this summary didn't read. Check the attachments on SAM.gov.
The U.S. Army Corps of Engineers (USACE) Omaha District plans to issue a request for proposals (RFP) in November 2026 for construction of an interim remedial action (a cleanup remedy) at the Nelson Tunnel Superfund Site, one mile north of Creede in Mineral County, Colorado. The work is to drive a new bypass adit (a horizontal mine tunnel) and build bulkheads in an abandoned mine. The RFP will be unrestricted, and the planned proposal due date is January 2027.
Things to watch
From the version posted Oct 16, 2026.
- Worth checking: Site visit instructions are in an attachment. The notice says to follow the site visit instructions in the attached document and respond by the date shown; whether the visit is required isn't stated here.
- Worth checking: Not a solicitation yet. Offers sent in response to this notice will not be accepted or evaluated; the RFP is planned for November 2026 with proposals due in January 2027.
- Worth checking: Specialized underground construction. The work is tunnel driving and bulkhead construction in an abandoned hard rock mine at a Superfund site, which calls for mining and remediation experience.
Read from the notice text only.
Full summary
What they want
- Install a new adit south of Nelson Tunnel to bypass the Nelson Tunnel Portal Pool
- Rehabilitate Nelson Tunnel from the bypass adit connection to the planned bulkhead location
- Install a flow control bulkhead in Nelson Tunnel against a sudden uncontrolled release
- Install an accessible bulkhead flow control structure in the Commodore 5 level
- Place of performance
- One mile north of the town of Creede in Mineral County, Colorado
- Estimated value
- Not stated
Not in the notice text
- The site visit instructions and the date to respond are in the attached document, which wasn't read; whether the visit is required isn't stated.
- Which wage rule applies (such as a Davis-Bacon wage determination) is not stated.
- Contract type, period of performance, contract value, bonding and evaluation method are not stated.
- The attachment points to an EPA website for more information.
Eligibility and how to respond
- No set-aside: any business, large or small, can bid unless the notice says otherwise.
- How and where to submit is in the notice text and its attachments on SAM.gov.
- Construction contracts over $2,000 pay at least the local Davis-Bacon wage rates, from the wage determination in the solicitation. Price your labor from it: How to price a government contract, and how Davis-Bacon differs from the Service Contract Act.
Notice details
- Posted
- Oct 16, 2026
- Notice type
- Presolicitation
- Office
- W071 ENDIST Omaha, NE
- Product/service code
- Y1LC · Construction of Tunnels and Subsurface Structures
- Business type
- Construction & renovation (FedReady's grouping, from NAICS 237990)
- Attachments
Past awards and competition
Who has won work like this before, the likely incumbent, and what similar contracts paid, from USAspending.gov.
Before you respond
Terms on this notice: Solicitation
Full notice text from SAM.gov
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