Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Dept of Defense · DEPT OF THE ARMY
This notice is not accepting responses (deadline was Mar 9, 2026, 1:00 PM EDT).
Page kept for research and related open opportunities below. For current work in this category, use the related notices or browse hubs.
- Response deadline
- Mar 9, 2026, 1:00 PM EDT
- Posted
- Feb 27, 2026
- Solicitation
- W912WJ26BA008
- Set-aside
- Total Small Business
- Place of performance
- —
- Contracting office
- W2SD ENDIST NEW ENGLAND · CONCORD · MA
- Source
- SAM.gov · updated Jul 5, 2026
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.
What similar awards have paid
Real federal awards already on the books in a similar lane — so you can size the opportunity, not guess. This is public history, not a bid price, cost estimate, or prediction that you will win.
Typical award size
$343,072
Middle of the pack for similar past awards
Most similar awards fall between $52,633 and $1.61M
Who has won work like this
Public awardees in this lane — useful for competitor scan or teaming ideas, not a ranked list of “best” firms.
- 1EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBC84 awards$357.30M
- 2ENVIRONMENTAL RESTORATION LLC293 awards$301.13M
- 3ENVIRONMENTAL QUALITY MANAGEMENT, INC108 awards$251.35M
- 4AECOM TECHNICAL SERVICES, INC.29 awards$221.16M
- 5NORTH WIND PORTAGE, INC.2 awards$161.31M
- 6HYDROGEOLOGIC, INC.49 awards$147.28M
- 7SEVENSON ENVIRONMENTAL SERVICES, INC.3 awards$144.49M
- 8KEMRON/ARROWHEAD JV, LLC8 awards$143.69M
Drawn from official USAspending contract records in our index. Always confirm requirements on the SAM.gov notice before you bid.
Intelligence only — not legal advice or a guarantee of award. Always verify requirements on the official SAM.gov notice. Past award amounts are public history, not a suggested bid or prediction. Notice ID 9d845bb2ce45476e833c6d6f975e6283.