The U.S. Army Corps of Engineers, Savannah District, is conducting market research via a Sources Sought/Request for Information—not a solicitation or request for proposal and not an obligation to award—to identify firms interested in and capable of performing Savannah Harbor DMCA 13A improvements. The work is located in Jasper County, South Carolina, at DMCA 13A along the Savannah River North Channel across from Elba Island and includes raising the perimeter back, front, and cross dikes; repairing/modifying four of six existing weirs; and expanding the bird island. Dike fill will come from inside DMCA 13A, with specified crest elevations for the back, front, and cross dikes. The period of performance is 540 days from Notice to Proceed. The applicable NAICS code is 237990 (Dredging and Surface Clean Up Activities) with a $37,000,000 size standard, and interested firms are asked to provide company, SAM/CAGE, business-size, and bonding information plus answers to the Sources Sought questions.