This document outlines a federal contract opportunity for concrete restoration work. The Saint Lawrence Seaway Development Corporation is soliciting bids for contract number 6923G521B0880 to furnish all labor, equipment, and materials to restore deteriorated concrete on vertical faces of the Eisenhower Lock vertical lift gate recess. Bidders should provide concrete restoration services to address deterioration on vertical concrete surfaces within the lock structure. The opportunity is open for bidding with no defined response or award dates specified.