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

SOL #: W912WJ26BA008Solicitation

Overview

Buyer

DEPT OF DEFENSE

Dept Of The Army

W2SD ENDIST NEW ENGLAND

CONCORD, MA, 01742-2751, United States

Place of Performance

Place of performance not available

NAICS

Remediation Services (562910)

PSC

Hazardous Substance Removal, Cleanup, And Disposal Services And Operational Support (F108)

Set Aside

Total Small Business Set-Aside (FAR 19.5) (SBA)

Original Source

https://sam.gov/opp/857dc24e221f469dbcd49c58d9a512bb/view

Timeline

Posted

Jan 29, 2026

Last Updated

Mar 24, 2026

Submission Deadline

Mar 18, 2026, 5:00 PM

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, USACE New England District, published an abstract of offers for a Total Small Business Set-Aside solicitation (W912WJ26BA008) to Construct a Repository Cover at the Callahan Mine Superfund Site in Brooksville, Maine. This project involved installing a composite cap over approximately 13 acres to limit infiltration through mine waste. The original response date for this solicitation was March 18, 2026, and bids have since been received.

Scope of Work

The general scope of work included installing a composite cap with components such as 12 inches of crushed stone, a geocomposite drainage layer, a 60-mil textured geomembrane, and geofabric. Additional activities involved:

Mobilization & Demobilization
Installation of Site Drainage Features, Debris Removal, and Excavation of Existing Culvert
Preparation of WRP-1 Cover System Subgrade and Installation of WRP-1 Cover System and Scenic Lookout Access Road
Repair of PCB Cell Cover System
Crane Mat Processing
Supply of 3" Minus Crushed Stone, 6" Riprap, 12" Riprap, Topsoil, and Subsoil
Hydroseeding Option bid items included Crane Mat Processing and Detention Basin Cleaning.

Contract Details

Solicitation Number: W912WJ26BA008
Contract Type: Construction (implied by scope)
Set-Aside: Total Small Business Set-Aside (100%)
Amendments: 5 amendments were issued for the solicitation.
Product/Service Code: F108 - Hazardous Substance Removal, Cleanup, And Disposal Services And Operational Support

Submission & Evaluation

This document is an abstract of offers, presenting the submitted bids from various offerors, including their unit prices and estimated amounts for each line item. The government's estimate was also provided for comparison. The solicitation is now closed, and bids have been received.