This document provides details for a federal solicitation seeking a contractor to perform overhaul, maintenance, and repair work on the dredge vessel Essayons. The U.S. Army Corps of Engineers, Portland District, will award a firm fixed price job order contract for work that includes transportation tug services, drydock lift and lay days, hull cleaning and coating, drag wire replacement, propeller inspection and replacement, stern tube and shaft seal replacement, and dock and sea trials. Site visits for prospective contractors will be held in the Columbia River area on various dates in late August and September 2021. Contractors must have an existing Master Ship Repair Agreement with the Portland District in order to bid. Bids are due by the date and time specified in the solicitation documentation and must be submitted electronically to the points of contact listed. The NAICS code is 336611 and PSC code is J999.