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    Ulstein Sea of Solutions designs deep water fallpipe vessel

    Vessel & ROV News // July 16, 2008

    Ulstein Sea of Solutions reports that it is responsible for the design of the new 19,000 tonnes deadweight deep water fallpipe vessel recently ordered by DEME Group at Sembawang shipyard in Singpaore.

    The Euro 100 million vessel was designed for Tideway, part of DEME Group, and is scheduled for delivery in January 2011.

    The DP2 classed vessel is able to accurately place rocks at 2,000m to protect subsea oil and gas lines.

    The vessel will therefore be equipped with a sophisticated ROV system, enabling it to position the lower end of the fallpipe very accurately.

    An operational speed of 15 knots enables the vessel to move quickly between stone quarries and project sites.

    The vessel is 'green design' and fully in line with Lloyds' Environmental Protection Code, meaning that a number of energy-saving measures are implemented and NOX emissions are limited.

    “The industry primarily knows us as leading in offshore pipelay and heavy lift crane vessels, but also these types of vessels are in our portfolio,” said managing director Bob Rietveldt. “We previously worked on the DP upgrade of Tideway Rollingstone, and the current project has strengthened the co-operation with Tideway even further."

    The main dimensions of the vessel are: length oa, 154.6m; length bp, 145.5m; beam (moulded) 32.2m; draft 7.0m. The installed power is 4 x 3,000kW.


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