Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.

Location: Federal
Posted: Feb 21, 2026
Due: Mar 9, 2026
Agency: DEPT OF DEFENSE
Type of Government: Federal
Category:
  • F - Natural Resources and Conservation Services
Solicitation No: W912WJ26BA008
Publication URL: To access bid details, please log in.
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Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Active
Contract Opportunity
Notice ID
W912WJ26BA008
Related Notice
Department/Ind. Agency
DEPT OF DEFENSE
Sub-tier
DEPT OF THE ARMY
Major Command
US ARMY CORPS OF ENGINEERS
Sub Command
ENGINEER DIVISION NORTH ATLANTIC
Sub Command 2
ENDIST NEW ENGLAND
Office
W2SD ENDIST NEW ENGLAND
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General Information View Changes
  • Contract Opportunity Type: Solicitation (Updated)
  • Updated Published Date: Feb 20, 2026 02:16 pm EST
  • Original Published Date: Jan 29, 2026 10:44 am EST
  • Updated Date Offers Due: Mar 09, 2026 01:00 pm EDT
  • Original Date Offers Due: Mar 02, 2026 01:00 pm EST
  • Inactive Policy: Manual
  • Updated Inactive Date: Mar 30, 2026
  • Original Inactive Date: Mar 30, 2026
  • Initiative:
    • None
Classification
  • Original Set Aside: Total Small Business Set-Aside (FAR 19.5)
  • Product Service Code: F108 - ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION
  • NAICS Code:
    • 562910 - Remediation Services
  • Place of Performance:
Description
Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.The general scope of work for the proposed contract involves installing a composite cap over an area of approximately 13 acres. The purpose of the cap is to limit infiltration through mine waste remaining after historical copper mine operations performed on the property. The mine waste consists of rock and rock-amended sediment previously consolidated and graded as part of recent and ongoing Superfund remediation activities. The expected components of the composite cap include in order from the surface: 12 inches crushed stone (3-inch minus), geocomposite drainage layer, 60-mil textured geomembrane (seam welded), and geofabric. Other activities to be performed under this contract may include installation of drainage features (e.g., swales, culverts, etc.), grading, seeding and stabilization of disturbed areas outside stone cover system, stockpile management, and wetland improvements.
Attachments/Links
Contact Information
Contracting Office Address
  • KO CONTRACTING DIVISION 696 VIRGINIA ROAD
  • CONCORD , MA 01742-2751
  • USA
Primary Point of Contact
Secondary Point of Contact


History

Related Document

Jan 29, 2026[Solicitation (Original)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Feb 27, 2026[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Mar 2, 2026[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Mar 4, 2026[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Mar 9, 2026[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Mar 24, 2026[Solicitation (Updated)] Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
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