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.
Line Items
Item
Qty
Unit
Est. Unit Price
Est. Total
Category
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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