Construct Interim Remedial Action (IRA) for the Nelson Tunnel Superfund Site

Estimated Value: $15,000,000
Open 17 days left NebraskaConstructionsolicitation
Oct 16, 2026
Nov 20, 2026 2:00 PM
Construction
solicitation
237990
AI Summary
The USACE Omaha District is seeking proposals for an Interim Remedial Action (IRA) at the Nelson Tunnel Superfund Site in Colorado. The project involves constructing a bypass adit, rehabilitating a section of the Nelson Tunnel, and installing flow control bulkheads to prevent uncontrolled releases of mine-impacted water. Companies interested in this unrestricted solicitation should review the attached site visit instructions and respond by the specified date.
🏆 Who won similar work here

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Source: USAspending.gov. Similar work, not necessarily this exact contract.

Line Items
ItemQtyUnitEst. Unit PriceEst. TotalCategory
Construction of a new bypass adit south of Nelson Tunnel 1 project $5,000,000.00 $5,000,000.00 Construction
Rehabilitation of Nelson Tunnel (from bypass adit connection to bulkhead location) 1 project $4,000,000.00 $4,000,000.00 Construction
Installation of a flow control bulkhead in Nelson Tunnel 1 each $3,000,000.00 $3,000,000.00 Construction
Installation of an accessible bulkhead flow control structure in the Commodore 5 level 1 each $3,000,000.00 $3,000,000.00 Construction
Estimated Bid Value$15,000,000.00

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