This solicitation requests bids for the overhaul, maintenance, and repair of the Dredge ESSAYONS. Major work items include transportation tug services, crane services, drydock lift and lay days, coatings, hull cleaning and repairs, drag wire replacement, propeller inspection and replacement, tailshaft and stern tube replacement, and dock and sea trials. Site visits are required for any contractor to be eligible for award and will be held in the Columbia River area on various dates in August through September 2021. Bids must be submitted via email by the date and time specified in the solicitation to the identified contracting officer and contract specialist. Prospective contractors must have an active Master Ship Repair Agreement with the U.S. Army Corps of Engineers Portland District in order to submit a bid. The solicitation is issued as a full and open competition and is available through the System for Award Management and beta.SAM.gov websites.