Ulstein Design & Solutions has entered into an extensive contract with Wuchang Shipbuilding Industry, China, for the delivery of ship design and equipment for four PX121 type platform supply vessels (PSVs). Ship owner is the Singapore-based Otto Offshore, who will receive all vessels in 2016. The contract also includes an option for four vessels.
These PX121 vessels are capable of supporting offshore activities being carried out further from shore and in deeper waters. In addition to tanks for various contents such as oil, water and drilling fluids, they have four stainless steel tanks for flammable liquids or corrosive chemicals (LFL tanks). The vessels are certified by DNV and carry the ‘Clean Design’ notation.
Measuring 83.4m in length and with a beam of 18m, they have a cargo deck of 840m2 and a load capacity of 4,000t (dwt). Each ship has a maximum speed of approximately 14.5 knots and accommodates 30 people. They carry the X-BOW® hull line design. Each ship will be equipped with dynamic positioning system Class II and meets the requirements of Comfort Class.
The contract with Ulstein includes the deliveries of design, engineering and main equipment. An extensive delivery from Ulstein Power & Control includes integrated control systems, bridge (radio, navigation), switchboard, diesel electric propulsion and frequency converters, and communication systems.