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Solicitation, total small business set-aside

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

W912WJ26BA008

Department of the Army, W2SD Endist New England. Remediation Services.

Awarded

Sargent Corporation

$5,414,000.00 obligated so far on USAspending

Description

As published on SAM.gov.

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.

The contract, on USAspending

Federal procurement data the awarding office reported to FPDS, matched to this solicitation by its number.

UEI
FGX9G7T9D5C8
CAGE
504E9
Vendor location
Orono, ME
Contract
W912WJ26CA010, definitive contract
Obligated
$5,414,000.00, potential $5,424,250
Actions
1 between May 12, 2026 and May 12, 2026
Competition
Full and Open Competition After Exclusion of Sources, 6 offers received
Set-aside reported
Small Business Set Aside - Total
Described as
Remediate Contaminated Sediment in Goose Cove to Support the Callahan Mine Superfund Site in Brooksville, Maine
Match
solicitation number W912WJ26BA008 equals the FPDS solicitation identifier; same awarding office W912WJ (high confidence)

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. January 29, 2026

    Solicitation

    Due March 2, 2026 at 1:00 PM EST. SAM.gov, notice a5545aae062343d7a1d7b391dd6a5156

  2. February 20, 2026

    Solicitation

    Due March 9, 2026 at 1:00 PM EDT. SAM.gov, notice 1de0bcc6c208466cb81a3c04ddd8c2f8

  3. February 27, 2026

    Solicitation

    Due March 9, 2026 at 1:00 PM EDT. SAM.gov, notice 9d845bb2ce45476e833c6d6f975e6283

  4. March 2, 2026

    Solicitation

    Due March 18, 2026 at 1:00 PM EDT. SAM.gov, notice 840fe91c95324bafacc952938a197325

  5. March 4, 2026

    Solicitation

    Due March 18, 2026 at 1:00 PM EDT. SAM.gov, notice a670bd5ac0cd47e59ffbe0ac976a386f

  6. March 9, 2026

    Solicitation

    Due March 18, 2026 at 1:00 PM EDT. SAM.gov, notice 961e2ebbc12147099de65a0decc40b29

  7. March 24, 2026

    Solicitation

    Due March 18, 2026 at 1:00 PM EDT. SAM.gov, notice 857dc24e221f469dbcd49c58d9a512bb

Points of contact