Wärtsilä has signed a contract to deliver a ship power system for a 38,000 tonnage semi-submersible heavy-lift vessel for Chinese customer Zhejiang Share-ever Business Co.
Zhejiang Share-ever Business Co. Ltd is a privately owned company with more than twenty large-size vessels, including 72m offshore platform supply ships, ocean cargo carriers of between 27,000 and 50,000 tonnes, and drag-suction dredgers. The company seeks to utilize the latest marine technologies and works closely with domestic vessel design institutes.
Transporting Large Offshore Equipment
This vessel will operate in offshore waters around the world, and will be mainly used in loading and transporting large-size offshore equipment required by the offshore oil and gas industry. Such equipment includes large-size steel structures, various kinds of platforms, platform jackets, and main platform blocks, etc. used in prospecting and exploration. The vessel will also assist large commercial vessels and naval ships in re-floating and similar operations. The vessel will be delivered in the end of 2011.
Flexible Power Generation
The engine configuration is based on 32 medium speed engines. The scope of supply includes three 9-cylinder in-line 32 generating sets for a diesel electric installation, and three tunnel thrusters. The configuration allows for only the necessary number of generating sets to be engaged at any one time. Furthermore, in addition to providing fuel efficiency and cost savings, this flexibility ensures the level of emissions is automatically controlled.
Vessel Specifications
The 38,000 tonne self-propelled semi-submersible vessel has a total length of 195m with a moulded width of 41.5m. The moulded depth is12m, the designed draft is 8.6m, and its maximum diving depth is 23m. Propelled by electric power, the vessel features automated management, an unattended cabin, dynamic positioning, and a service speed of 13.5 knots. It is designed by the Marine Design &Research Institute of China under CSSC for technical specifications, and by Jiangsu Modern Shipbuilding Technology Co., Ltd. for production processes.
