The DS-5 and DS-6, built by F.M.C. in 1984 in Portland, OR, are steel-hulled barges with robust dimensions of 258 feet in length, a beam of 45.1 feet, and a depth of 18 feet. Each barge has a gross tonnage of 1,835 and is constructed with durable steel to ensure resilience in challenging marine conditions. Both vessels are certified with an International Load Line by ABS, making them compliant for international operations and ideal for demanding dredging and transport tasks.