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Wärtsilä to supply engines and propulsion machinery for LNG-fuelled dredger

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LNG Industry,

Wärtsilä Corp. has announced that it has been contracted to supply engines and propulsion machinery for the world’s most powerful cutter suction dredger (CSD).

The vessel, Spartacus, is being constructed on behalf of Dredging International (DEME), and will be the first ever such vessel to be fuelled by LNG. It is being built at Royal IHC yard in the Netherlands. The order with Wärtsilä was booked in 4Q16, and is worth approximately €20 million.

Spartacus will be 164 m long and have a total installed power of 44 180 kW. It will include four nine-cylinder Wärtsilä 46DF dual-fuel engines, two eight-cylinder Wärtsilä 20DF dual-fuel engines, and a Wärtsilä LNGPac fuel gas storage and supply system with a new bilobe tank arrangement. In addition to this, Wärtsilä will also provide two fixed pitch propellers with shaft assembles and HP nozzles, as well as two tunnel thrusters. It will also provide commissioning, site supervision and extended project management services. This equipment is scheduled to be delivered to the yard in 4Q17.

Arthur Boogaard, General Manager, Business Development Special Vessels at Wärtsilä, said: “Wärtsilä has worked in close cooperation with the owners starting from the early stages of this large project. This has enabled a well engineered and fully integrated propulsion arrangement, and an LNG fuel system that is optimised for the needs of the vessel.”

Jan Gabriel, Head of newbuilding and conversion department at DEME, added: “Wärtsilä has provided excellent support throughout the design phase, and we are confident that this results in a highly efficient CSD with lower operating costs than would have been otherwise possible. We are very aware of our environmental responsibilities, and for this reason we have opted for Wärtsilä dual-fuel engines running on clean burning LNG fuel.”

The vessel is scheduled for delivery in mid-2019. It will operate in a number of locations around the world. CSDs are capable of dredging a variety of soils, including rock, clay and sand, and are used whenever the ground is too hard for conventional dredgers to work.

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