179. Once at the operational phase, there would be very little evidence of the landfall location or onshore cable route as the majority of the components for each would be buried underground, apart from intermittent kiosks, located discreetly at the jointing pits. The impacts of the landfall location and onshore cable route on all landscape and visual receptors during the operational phase would be not significant.
180. As it is likely that the components of the landfall location and onshore cable route would be left in-situ following decommissioning, then the impacts of this phase will also be not significant.
181. There will be no cumulative impacts in relation to the landfall location and onshore cable route.
29.11.2 182.
Scenario 2: Landfall Location and Onshore Cable Route Impacts
In scenario 2, East Anglia THREE project is added to the current baseline situation, in which East Anglia ONE project has not been constructed. Under this scenario, open trenching would be undertaken along the entire onshore cable route for up to four cables and up to four ducts. In addition to this there would be the requirement for HDD operation at eight locations (including the landfall) and jointing pits and kiosks would be required at up to 48 locations. Access would be via haul road along the entire length of the route. Where the onshore cable route crosses hedgerows, this would be at a maximum width of 35m.
183. Embedded mitigation has been used to reduce the potential impacts by using HDD construction through areas where there are technical or environmental constraints or where the landscape is of a special sensitivity. This means sections would remain undisturbed. The routeing of the onshore cable route has taken into consideration the more sensitive woodlands and hedgerows and attempted to avoid these where at all possible, instead routeing through sections where often the condition of the hedgerows is not as good or where gapping already exists.
184. The most notable impacts relating to the landfall location and onshore cable route would occur during the construction phase. The impacts on the majority of the landscape and visual receptors would be not significant as a result of the construction phase. This finding relates largely to a combination of the localised extents of the construction works, occupying a concentrated area in respect of the wider extents of the receptors; the short-term duration of the construction works; and the reversibility of the impacts through embedded mitigation.
185. Significant impacts would arise relating either to the presence and activity of machinery associated with the Construction Consolidation Sites and HDD
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm Appendix 0 Example
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