the offshore cable corridor does however overlap with the Outer Thames Special Protected Area (SPA), which is designated for red- throated diver.
10.6 Potential Impacts
149. The potential impacts that may occur during construction, operation and decommissioning of the proposed East Anglia THREE project are listed in Table 10.2 along with a description of the worst case scenario for each impact.
150. The receptors for each impact are described within the text of each assessment. All of the receptors have been identified through the compilation of the Existing Environment in section 10.5. Benthic species or habitats which are not considered to have any potential to be impacted by the proposed East Anglia THREE project have not been presented within the baseline.
151. Many of the impacts assessed within this section take a study area based approach whereby impacts in the East Anglia THREE site is assessed separately to the impacts within the offshore cable corridor.
152. The rationale behind this approach is that in many cases the mechanism for the impact (or source) is very different i.e. within the East Anglia THREE site large permanent foundations would be installed however within the offshore cable corridor, most impacts would be temporary in nature. Furthermore the receptors themselves are different i.e. the East Anglia THREE site only contains communities found in deeper water whereas the offshore cable corridor contains shallow water and intertidal communities. However, when this approach is taken, a summary section is provided which combines the two study areas to assess the overall impact.
153. For some of the impacts this summary section is not required for example when the source of impact and the receptor are similar across the two study areas or when the impacts are seen across only one of the study areas.
10.6.1 Potential Impacts during Construction
10.6.1.1 Impact 1: Temporary Physical Disturbance. 154. There is potential for physical disturbance to habitats and species of interest to occur during construction within the East Anglia THREE site, along the offshore cable corridor and at the landfall site. Impacts within these three separate areas have been assessed separately as potential source of impacts vary across the study areas.
155. It should be noted that impacts to the any potential Annex I habitats (i.e. biogenic reef) would be minimised through the embedded mitigation of micro-siting to avoid any such features identified by pre-construction survey.
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 1 Introduction Page 57
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