This is a Sources Sought notice for market research to gauge interest and capability for a potential future construction project at the Military Ocean Terminal Concord (MOTCO) in Concord, CA. The potential requirement involves the repair by replacement of approximately 2,500 linear feet of railroad curves, including ties, rails, and turnouts. If issued, a solicitation is anticipated in early May 2026, with an intended firm-fixed-price contract award by late-July 2026 and an estimated construction completion timeline of 400 calendar days. The estimated construction cost for the project is between $5,000,000 and $10,000,000. This notice is not a solicitation, and no award will be made from it.