A design and build of the onshore infrastructure for the tidal energy project in Holyhead, Anglesey.
Works included:
- Landfall substation design and build containing nine bays, ancillary buildings, and transformer bays
- Sustainable drainage systems (SuDS), which featured a surface water drainage system that included an attenuation pond and flow restriction devices to meet agreed discharge rate
- Onshore connector cable route design and build comprising 6.4km of trefoil ducting, 132kv cable installation, and 11 joint pits
- Extensive traffic management including road closures and diversions
- Horizontal directional drilling (HDD) in rock including watercourse crossings
- Grid connection substations