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New Bypass Adit Excavation and Construction

Active

Federal

Response Deadline11/20/2026, 08:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

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This subcontract involves the excavation and construction of a new bypass adit for mine remediation projects managed by the USACE Omaha District. The scope of work requires driving a horizontal tunnel to intersect the existing Nelson Tunnel while ensuring total structural stability. The project utilizes specialized underground mining equipment, including jumbos, LHDs, and drill-and-blast tools, with rock bolts and shotcrete employed for reinforcement. All personnel assigned to the project must hold MSHA certification to ensure safety and regulatory compliance. The final deliverable is a completed, structurally sound bypass adit. This opportunity is categorized under NAICS code 237990 and is associated with the Department of Defense, with a response deadline of November 20, 2026.

General Info

Agency

Department Of Defense → W071 Endist Omaha

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

NE, 81130

Set-Aside

NONE

Documents

This scope was carved out of W9128F27RA056.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

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

AI Contract Breakdown

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Timeline

PostedOct 16

subcontract

Response DeadlineNov 20

Submission deadline

Response Deadline

11/20/2026, 08:00:00 PM UTCin about 1 month

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Organization & Contact Information

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AgencyDepartment Of Defense → W071 Endist Omaha

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → W071 Endist Omaha

Office AddressN/A

ContactsNo contact information available

Full Description

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Performs excavation and construction of a new bypass adit for prime contractors on USACE Omaha District mine remediation projects. Drives a horizontal tunnel to intersect the existing Nelson Tunnel, ensuring structural stability of the new opening. Utilizes underground mining equipment including jumbos, LHDs, and drill-and-blast equipment with rock bolts and shotcrete. Requires MSHA certification for all personnel. Delivers a completed, structurally sound bypass adit.

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