115. No decision has been made regarding the final decommissioning policy for the proposed converter station, as it is recognised that industry best practice, rules and legislation change over time.


116. The converter station(s) and equipment could be removed and the components reused or recycled. The foundations would be removed to below ground level and the ground covered in topsoil and re-vegetated to return the site to its initial state or reused for other future developments.


117. The decommissioning methodology cannot be finalised until immediately prior to decommissioning, but would be in line with relevant policy at that time.


25.6.4.1 Impact 1: Buried Archaeological Remains 118. Assuming no groundworks are undertaken outside the original excavated footprint, there are no further anticipated impacts on archaeological remains during the decommissioning phase.


25.6.4.2 Impact 2: Field Boundaries and Historic Landscape Character 119. Decommissioning could potentially involve the removal of sections of historic hedgerow resulting on impacts on field boundaries and Historic Landscape Character. If necessary such disturbance is likely to be minimal and of low impact andminor significance. This impact can also be largely mitigated by the reestablishment of any important hedgerows resulting in an impact of negligible significance, as would be set out in the OLEMS.


25.6.4.3 Impact 3: Built Heritage 120. There are no anticipated impacts on designated heritage assets along the cable route during decommissioning.


121. Some indirect impacts on the setting of the Grade II Listed Figeon’s Farmhouse are anticipated at the proposed convertor station location if the convertor equipment is removed. This positive impact would be low and ofminor significance.


Preliminary Environmental Information April 2014


East Anglia THREE Offshore Windfarm


Chapter 25 Onshore Archaeology Page 33


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