This document is a solicitation for overhaul, maintenance, and repair services for the dredge vessel Essayons. The U.S. Army Corps of Engineers, Portland District, intends to award a firm fixed price job order contract under an existing Master Ship Repair Agreement for work to be performed on the Dredge Essayons. Required services include drydocking, cleaning and coating of the hull, propeller inspection and replacement, dredge pipe removal, crane replacement, and various mechanical and systems maintenance and repairs. Site visits for prospective contractors are scheduled for late August through mid-September 2021 near Portland, Oregon. Bids must be submitted electronically by the date specified in the solicitation to the identified contracting and contract specialist contacts. Offerors must have an existing Master Ship Repair Agreement in place with the Portland District in order to be eligible to bid. The North American Industry Classification System code is 336611 and Federal Supply Class code is J999.