OSD-IMT7001 offshore utility vessels delivered to Unithai
07 May 2019
Two OSD-IMT designed 80 tonnes bollard pull offshore utility vessels for Unithai Offshore were delivered during the last quarter of 2018. Unithai Samui and Unithai Chumporn were built at Unithai Shipyard and Engineering in Leam Chabang, Thailand.
Both OSD-IMT7001 vessels will be used for a wide range of duties in and around offshore oil fields and oil terminals, including berthing and un-berthing oil tankers ranging from 60,000 DWT to 280,000 DWT, carrying out long line towing and push-pull operations, firefighting duties, SPM maintenance operations, floating hose and subsea hose string maintenance, anchor handling duties, inter-/intrafield supply operation and pollution control duties.
The utility vessels have a length of 49.98 m, a beam of 15.0 m, depth of 6.20 m and a moulded draft of 5.0 m, will accommodate a crew of 22, are classed with Bureau Veritas and registered and flagged in Thailand operating under the rules and regulations of Thailand Registry.
The OSD-IMT7001 vessels are equipped with twin Niigata ZP41 azimuth propulsion units, each coupled via a cardan shaft arrangement, to a Niigata 8L28HX marine diesel engine, giving the vessels a bollard pull of 80 tonnes and a free running speed of around 13 knots.