Refit for jack-up MPI Enterprise at Damen Verolme Rotterdam
30 May 2018
Damen Verolme Rotterdam (DVR) has completed a refit project on the MPI Enterprise, a 120-metre, self-elevating, DP2, wind turbine installation vessel owned and operated by MPI Offshore, part of the Vroon Group.
The works included the installation of spudcans on her four-legged jacking system, which can elevate the vessel at rate of one metre per minute in water depths up to 45 metres. Acquired by Damen Shipyards Group in June 2017, DVR is one of the largest refit and repair yards in Western Europe, capable ofaccommodating any seagoing vessel or floating offshore unit.
Damen Shiprepair & Conversion has worked with MPI Offshore in the past. MPI Resolution had visited DVR in 2011 for crane testing and so the yard was pleased to welcome the MPI Enterprise in February 2018 for the first time, for some refit work.
She is designed to transport, lift, install and decommission components such as foundations, wind turbines, met masts and transformer stations. The works were contracted and managed by NSB Niederelbe Schiffahrtsgesellschaft mbH & Co. KG, the vessel’s manager since it was first delivered in December 2011.
With respect to the installation of the new spudcans, this was the second such project at DVR, with the sister-ship of MPI Enterprise undergoing the same refit at Verolme in June 2012. This time, however, the scope additionally included the installation of two radar domes and architectural work in the lower quarters. Cylinder foundations were also fitted for the leg lashing system.
Fitting new spudcans on each of the four legs was a major enterprise, with 16 tensioning bolts per spudcan. The new spudcans were lowered into the drydock using the onboard crane and then each was moved into position by self-propelled modular transporters. Mechanical linkage in spudcan design is unusual, and the advanced design was implemented using shim plates to divert radial and torsional movement from the tensioning bolts. This was appreciated by the client as a true achievement. The new spudcans increase the load-bearing area when the vessel is jacked up and so reduce the penetration into the seabed.
The MPI Enterprise departed DVR in early April to work on offshore wind farms in the North and Baltic seas.
As part of the Damen Shipyards Group, DVR is looking to take advantage of its strategic location and exceptional facilities to expand its activities into new sectors.
With its 405 x 90 metre drydock it is actively developing its capability in cruise ship repair and modification by developing relationships with specialist sub-contractors and suppliers. In addition, it is refining its logistics and project management processes to better manage the increasing role that yards are expected to play in the repair and maintenance of these luxury vessels. Servicing LNG Carriers is another area in which it is adding resources. The yard is also certified for decommissioning and is in discussions with a number of oil and gas operators with assets in the North Sea.
Damen Shipyards Group
Damen Shipyards Group operates 34shipbuilding and repair yards, employing 10,000 people worldwide. Damen has delivered more than 6,000 vessels in more than 100 countries and delivers some 160 vessels annually to customers worldwide. Based on its unique, standardised ship-design concept Damen is able to guarantee consistent quality.
Damen’s focus on standardisation, modular construction and keeping vessels in stock leads to short delivery times, low ‘total cost of ownership’, high resale values and reliable performance. Furthermore, Damen vessels are based on thorough R&D and proven technology.
Damen offers a wide range of products, including tugs, workboats, naval and patrol vessels, high speed craft, cargo vessels, dredgers, vessels for the offshore industry, ferries, pontoons and superyachts.
For nearly all vessel types Damen offers a broad range of services, including maintenance, spare parts delivery, training and the transfer of (shipbuilding) know-how. Damen also offers a variety of marine components, such as nozzles, rudders, anchors, anchor chains and steel works.
Damen Shiprepair & Conversion (DSC) has a worldwide network of eighteen repair and conversion yards of which twelve are located in North West Europe. Facilities at the yards include more than 50 floating and (covered) drydocks, the largest of which is 420 x 90 metres, as well as slopes, ship lifts and indoor halls. Projects range from the smallest simple repairs through Class’ maintenance to complex refits and the complete conversion of large offshore structures. DSC completes around 1,300 repair and maintenance jobs annually, both at yards as well as in ports and during voyages.
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Ilona van der Zalm
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