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DEME to build first LNG-fueled CSV

Written by  OE Staff Tuesday, 18 April 2017 13:07

Wärtsilä will supply the engines and other propulsion machinery for what it says will be the first LNG-powered offshore construction vessel, being built at the Cosco shipyard in China for Belgium's Dredging International (DEME).

"This will be the first vessel of its kind to be fueled by liquefied natural gas (LNG) and in addition to the dual-fuel engines, Wärtsilä will also provide its LNGPac fuel storage and supply system and propulsion systems," says Wärtsilä.

The Orion is a 210m-long vessel that will be powered by four 9-cylinder Wärtsilä 46DF dual-fuel electric propulsion engines, and two 6-cylinder Wärtsilä 20DF dual-fuel engines. Wärtsilä will also supply two custom made retractable thrusters, four underwater demountable thrusters, the Wärtsilä LNGPac storage and supply system, as well as commissioning, site supervision and extended project management services. The Wärtsilä equipment is scheduled for delivery to the yard in the latter part of 2017. 

The Orion is expected to be delivered to the owners in 2018 and will undertake operations involving the installation of offshore windfarms in locations around the world.

"The decision to utilize clean burning LNG fuel represents our commitment to provide environmentally sustainable solutions for our operations," said Jan Gabriel, head of newbuilding and conversion department, DEME. “Wärtsilä has extensive experience and vast technological know-how in this field, which is why we have selected them as our partner in this project.”

"We are pleased to have been involved in this newbuild project from the conceptual design stage, since this enables our input on providing the most fuel-efficient solution," said Arthur Boogaard, general manager, business development special vessels, Wärtsilä. “We are also delighted that the Wärtsilä 46DF engine has been selected, as the dual-fuel version of this well proven and popular engine has only recently been introduced.” 

Image: Orion/DEME

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