Dublin Port Company required a twin-screw work barge/pontoon to be built for Harbor and Coastal work including the Irish Sea. The vessel which we design complies with Bureau Veritas requirements for workboats. Its duties include bed leveling, towing, buoy and quay maintenance and an oil recovery option with ½ day „bolt on‟ facility. We can also count diving support, anchor handling, supply, survey, mooring, pollution control, etc. for its duties. Requested main specifications are: L.O.A. 20 meters approx. Beam O.A. 8 meters approx. Depth midships. 2.7 meters approx. Displacement 170-ton approx. Leveling depth 16 meters approx Fuel oil capacity 25,000 liters approx. F.W. capacity 10,000 liters approx. The hull, propeller, shaft, main and auxiliary engines, rudder and steering gear are selected by taking into account Classification Society regulations. All trade names mentioned in the specifications describe the desired quality of equipment and not intended to exclude other makes of similar quality.