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Acta Marine’s Relay Race on Borssele OWF’s

May 29, 2020

Last week, Acta Marine’s Walk to Work vessels Acta Centaurus and Acta Orion have completed a first; switching vessels within a project.

Acta Centaurus has been working on the Borssele I,II windfarm supporting Van Oord during the Inter-array cable campaign since end of 2019 and is planned to start working on the Borssele III and IV Offshore Wind Farm project for MHI Vestas Offshore Wind (MHI Vestas). Here Acta Centaurus will assist MHI Vestas with the commissioning of their 77 V164 9.5 megawatt turbines through Q1-2021.


Acta Marine does not sail away from a project without delivering a solution. Therefore, Acta Orion has taken over the scope of Acta Centaurus and thereby providing Van Oord with the Walk to Work services it needs. Through careful planning and coordination, the vessels were able to change out seamlessly whilst making the Centaurus available for MHI Vestas’ commissioning work.



The Borssele OWF projects are a great example of how versatile Acta Marine’s fleet and services are in supporting construction and maintenance of offshore wind farms. The time line below indicates how our fleet has and is supporting the Borssele OWF projects:

  • With our CTV’s, we have been able to assist with the UXO campaign prior to construction of the Wind Farm and starting this year, we also started supporting the Inter-Array Cabling with crew transfers;
  • Our strong DP Multicat workboats have assisted with the dredging of the cable trench and later on, with supporting the installation of all 4 export cables;
  • Our Walk to Work vessels have started this year assisting both the Inter-Array cable campaigns as well as supporting the turbine commissioning.


As a small bonus, in the attached pictures, one of Acta Marine’s former assets can be seen assisting with bunkering the walk to work vessels. A true representation of how Acta Marine has grown over the years.


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