Project scope Scottish Power Renewables commissioned Structural Soils, an RSK company, to undertake a site investigation for a landfall approach and major horizontal directional drilling (HDD) crossings for the onshore cable route for the East Anglia ONE offshore wind farm project planned for Suffolk. A challenge of scale and time Structural Soils acted as principal contractor and had to establish three separate marine spreads to run concurrently and individually tailor each one to the particular physical and environmental constraints of each drilling location: an export cable shore approach and HDD at the landfall; an HDD crossing of the Deben Estuary; and an HDD crossing of Martlesham Creek. As well as the main fieldwork, the project included marine and land geophysics surveys

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