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Ulstein design for Heerema

Posted on 01.12.2010 - 13:00 UTC in MARINE/VESSEL NEWS by Rons_ROV_Links

Ulstein design for HeeremaAfter having developed the concept and basic design for Heerema's new monohull vessel, Dutch based Ulstein Sea of Solutions (USOS) has now also been awarded the further engineering of the vessel with the selected shipyard, DSME of Korea.


In Febraury 2010 Ulstein Sea of Solutions was contracted by Heerema to design their new Deepwater Construction Vessel, for which a LOI was signed between Heerema and DSME mid July 2010. On August 24th the LOI was turned into a building contract with DSME for the design, construction, testing, commisioning and delivery of this impressive vessel. A record breaking time for development and award of such a vessel.

"Designs for deepwater construction vessels are an important focus area for Ulstein Group, and we are very pleased that Heerema selected Ulstein Group for designing this state-of-the-art vessel", says Tore Ulstein, head of Design & Solutions area at Ulstein Group.

The self propelled DP3 Deepwater Construction Vessel is a customised version of the Ulstein SOC 5000 vessel design. The Heerema vessel features a revolving heavy lift capability of 4,000 tonnes, deepwater lowering equipment up to 3,500 metres and a pipelay tower for J-lay and Reel-lay operations via a moonpool. The hull configuration is specially designed for fast transit speeds and optimum motion characteristics in operation. The vessel is DP3-class equipped with 2 x 6500 kW and 4 x 3200 kW thrusters allowing for a transit speed of 12-14 knots.

‟We were very pleased that Heerema selected us for designing this state-of-the-art deepwater construction vessel,‟says Bob Rietveldt, managing director at Ulstein Sea of Solutions. ‟It is a continued recognition of our design capabilities and proves that our inhouse developed SOC 5000 design is a solid base to meet clients project requirements. The success of the project  comes for account of our project team, managed by Edwin van Leeuwen, which was able to provide the design in the record time frame required by Heerema to start tendering for the construction of the vessel.‟

Main dimensions of the vessel are:

• Loa 211.5 m
• Operating draught 11.0 m
• Lpp 197.6 m
• Service speed 12-14 kn
• Beam (moulded) 46.2 m
• Installed power 6 x 7,370 kW
• Depth (moulded) 16.1 m
• Complement 305 p

Following the contract award to DSME by Heerema, Ulstein Sea of Solutions signed a contract with DSME on the 13th of September for further vessel engineering and integration of the mission equipment designed by Huisman. „The work will be executed by a dedicated project office in Vlaardingen where engineers from DSME and Ulstein Sea of Solutions work closely together. The central location of the Ulstein Sea of Solutions office, close to Heerema and Huisman, is important to have good communication and flow of information required to shorten the timeline in the early phase of the construction of such a vessel ,‟ says Van Leeuwen.

Ulstein Sea of Solutions is a dynamic design company known for its innovative designs of complex offshore construction vessels. Ulstein Sea of Solutions is part of the Ulstein Group of Norway which has a solid reputation for its refreshing and innovative offshore vessel designs and turning visions into reality for its clients. Ulstein Sea of Solutions develops projects for operators, contractors and ship owners in the offshore drilling, construction and production market, as well as the maritime transport market. Future market trends and end user needs are the key drivers for developing and providing their new floating concepts to the offshore oil and gas industries and the offshore wind industry.

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