The U.S. Army Corps of Engineers, New England District, is preparing to solicit bids for the construction of a repository cover to support the Callahan Mine Superfund Site in Brooksville, Maine. This project involves the installation of a composite cap over approximately 13 acres to limit infiltration through mine waste from historical copper mining operations, with components including crushed stone, a drainage layer, a geomembrane, and geofabric. The contract is a 100% Small Business Set-Aside with an estimated value between $5 million and $10 million, and work is expected to take place during the peak months from Spring through Fall. Interested parties should note that the solicitation will be available online around mid-January 2026, and inquiries can be directed to Elizabeth Glasgow at elizabeth.k.glasgow@usace.army.mil or Erin Bradley at erin.e.bradley@usace.army.mil.