This is a market survey for planning a potential future procurement for the Michigan City Harbor Breakwater Repairs project. The work involves repairing an existing detached breakwater by placing and resetting large armor stone (14-22 tons) using a barge-mounted crane and support vessels on Lake Michigan. The government is seeking information on contractor capability and interest, including business size classification under NAICS 237990 and the ability to obtain a performance bond for a project valued between $1,000,000 and $5,000,000. Responses are requested via email to a specified point of contact. This notice is for planning only and does not constitute a formal solicitation.