FY26 Charleston Harbor Lower Harbor Maintenance Dredging

The contract involves maintenance dredging activities in the Charleston Lower Harbor, South Carolina, focusing on the removal and disposal of approximately 3,298,000 cubic yards of unclassified material as the base quantity, with an option for an additional 1,180,000 cubic yards. This material will be deposited at the Charleston Ocean Dredged Material Disposal Site. The scope requires strict adherence to environmental regulations, including the Endangered Species Act and the Marine Mammals Protection Act. The work is anticipated to be executed under a firm-fixed-price contract with an estimated value ranging from $25 million to $40 million, falling under the NAICS code 237990 for heavy and civil engineering construction. The small business size standard applicable to this contract is $37 million. This announcement serves as a pre-solicitation notice to inform interested parties of the planned contract, with the formal solicitation expected to be released within 15 to 30 days after the posting date of May 19, 2026. The formal solicitation will provide comprehensive details such as response deadlines, price proposal schedules, construction plans, specifications, instructions for offerors, and evaluation criteria. Offerors are responsible for monitoring updates on the official website. The contract will be managed by the Department of Defense agency office located in Charleston, SC, with Evelyn Halliburton as the primary point of contact.