Site characterisation, data management and data integration for submarine cable landing Projects
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There is an increased need for submarine power cable infrastructure across the world to serve the offshore wind power industry and expand the network of submarine interconnectors. The onshore, nearshore and offshore environments meet in these projects, and the required engineering data is obtained through various techniques (in situ testing, intrusive drilling, geophysical surveys, lidar, groundwater temperature and monitoring, etc). The engineering associated with cable landing projects is complex [1] and requires the integration of a multitude of ground related data including existing infrastructure, environmental constraints, topography and bathymetry, coastal dynamics, met ocean conditions, geology, geotechnical properties, groundwater, ground temperature, ground electrical resistivity, etc. This paper list key data needs to plan the engineering of these projects, the required techniques and sources used for obtaining such data and how the data is then processed and integrated to obtain a holistic ground model for design of the cable landing and construction operations.