CS6 CS7 CS8
Bullenhall Farm
Walnut Tree Farm
Medium 30
Burstall Hall Medium 27 Medium 26
35 32 31
Negligible Negligible Negligible
Negligible Negligible Negligible
162. The results show that noise levels would be of negligible magnitude on receptors of medium sensitivity and therefore of negligible significance.
Potential Impacts during Decommissioning
163. The decommissioning of the onshore electrical connection, including the cable route and converter station will form part of an overall decommissioning plan. The decommissioning methodology would need to be finalised nearer to the end of the lifetime of the project so as to be in line with current guidance, policy and legislation at that point. Any such methodology would be agreed with the relevant authorities and statutory consultees.
164. It is anticipated that the onshore cables would be decommissioned (de-energised) and the cables and jointing pits left in-situ. In this case there would be no impact for any receptor upon decommissioning. However, where cables are installed in ducts (under Scenario 1) it may be possible to remove and recycle them in which case impacts to receptors would be similar to, but likely be of lower magnitude than those described for construction in section 26.6.1. It is assumed that the jointing pits would be left in-situ.
165. In relation to the converter stations the programme for decommissioning is expected to be similar in duration to the construction phase. The detailed activities and methodology will be determined later within the project lifetime, but are expected to include:
Dismantling and removal of electrical equipment; Removal of cabling from site;
Removal of any building services equipment;
Demolition of the buildings and removal of fences; and Landscaping and reinstatement of the site.
166. Noise impacts associated with the decommissioning of both the cable route and converter stations will be similar to those identified for the construction of both elements.
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 26 Noise and Vibration Page 43
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