Construct Repository Cover to Support the Callahan Mine Superfund Site in Brooksville, Maine.
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The Department of the Army (W2SD ENDIST NEW ENGLAND) is soliciting proposals for the construction of a repository cover to support the Callahan Mine Superfund Site in Brooksville, Maine. This project involves installing a composite cap over approximately 13 acres to mitigate infiltration through mine waste. This opportunity is a Total Small Business Set-Aside. Proposals are due March 9, 2026.
Scope of Work
The general scope of work involves installing a composite cap over an area of approximately 13 acres. The primary purpose of this cap is to limit infiltration through mine waste remaining from historical copper mine operations. The mine waste consists of rock and rock-amended sediment that has been previously consolidated and graded as part of ongoing Superfund remediation activities.
Expected components of the composite cap, from surface to bottom, include:
- 12 inches of crushed stone (3-inch minus)
- Geocomposite drainage layer
- 60-mil textured geomembrane (seam welded)
- Geofabric
Other activities under this contract may include:
- Installation of drainage features (e.g., swales, culverts)
- Grading, seeding, and stabilization of disturbed areas outside the stone cover system
- Stockpile management
- Wetland improvements
Contract & Timeline
- Type: Solicitation
- Set-Aside: Total Small Business Set-Aside (FAR 19.5)
- Product/Service Code: F108 - Hazardous Substance Removal, Cleanup, And Disposal Services And Operational Support
- Response Due: March 9, 2026, 5:00 PM EST
- Published: February 27, 2026, 3:33 PM EST
Evaluation
Evaluation criteria are not explicitly detailed in the provided information.
Additional Notes
Supporting documents include web-based training and registration instructions for the PIEE Solicitation Module, as well as a direct link for this solicitation within PIEE, indicating that submissions will likely be handled through this platform. Offerors should review these documents for submission guidance.