Developer SSE Renewables has awarded Cathie and British Geological Survey a contract to develop a ground model for the FEED design of Berwick Bank and Marr Bank offshore windfarms (formerly known as Seagreen 2 and 3)
Located off the east coast of Scotland at the mouth of the Firth of Forth, the proposed site of the Berwick Bank and Marr Bank windfarms is complex and has been subjected to multiple glaciations.
Cathie and the British Geological Survey (BGS) have partnered to develop a dynamic, regional ground model which will be used to mitigate seabed risk and to drive the engineering and development options for the projects.
The geospatial nature of the modelling will provide an invaluable insight into the engineering geological hazards and conditions of the past that could have a bearing on the development.
Cathie’s Newcastle-based team will lead the project and work together with BGS geoscientists based at the Lyell Centre in Edinburgh, to provide a complete solution for the regional ground model, integrating geology, geophysics and geotechnics.
The dynamic regional ground model developed by the joint team will be used to inform subsequent geotechnical survey campaign strategies and provide the basis upon which geotechnical designs for the two sites can be developed going forward.
Once complete, the proposed installed capacity of the Berwick Bank and Marr Bank windfarms could be between 1,400 MW and 2,300 MW, and 900 MW and 1,850 MW, respectively.
In the past, SSE has described them as having the potential to deliver around 3.2 GW of installed capacity, making them Scotland’s largest offshore windfarms.
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