3.2.1 Geology and Ground Conditions 45.
The location at which the electricity cables would come from the sea on to land is within the Bawdsey Cliffs Site of Special Scientific Interest, though avoiding the feature for which the SSSI is designated. Impacts to this site could occur as the area may be crossed with a temporary ramp to give construction vehicle access to the beach.
46.
Three landfill sites exist along the onshore cable route, located at Culpho Hall, Bamford Dairy and Tuddenham St Martin. A Code of Construction Practice would be produced which provides details of the measures required to reduce the construction impacts onshore, for instance provision of hygiene facilities and safe storage of contaminated materials. Adherence to the Code of Construction Practice would ensure any impacts to geology and ground conditions would be minor.
3.2.2 Air Quality 47.
The impact of potential emissions of dust and pollutants by vehicles andmachinery used to install the electrical cables was assessed in terms of air quality. It is highly unlikely that the short-term construction activities would cause noticeable or lasting impacts to air quality.
3.2.3 Water Resources and Flood Risk 48.
Impacts to major watercourses such as the River Deben, Kirton Creek, Martlesham Creek and the River Gipping would be avoided. These locations would be crossed using the technique of horizontal directional drill (HDD), whereby a hole is drilled under the river and the electrical cables or ducts are pulled through.
49.
In general, only minor impacts on watercourses would occur as a result of the installation of the East Anglia THREE electrical cables. A Flood Risk Assessment will also be undertaken for the final ES.
3.2.4 Land Use 50.
The onshore cable route would largely cross land in agricultural use. With the exception of the land at the converter station (which would be subject to particular landscaping provisions) all land and drains would be reinstated to former condition after construction, avoiding any lasting impacts.
51. Where the onshore cable route crosses public rights of way and cycle routes, the majority of these would be subject to temporary diversion, thus reducing disturbance to users and any significant impacts.
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Non-Technical Summary Page 11
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