63. A munitions dumpsite has been identified in the northern section of the East Anglia THREE site, this is listed in an OSPAR report that gives an overview of past dumping at sea of chemical weapons andmunitions in the OSPAR Maritime Area (OSPAR 2010). A data set associated with this report is displayed in Figure 18.3 as site number 31 which is a “conventional munitions” dump site. As detailed in section 18.3.3 a full UXO survey will be carried out prior to any construction which will identify any UXO still located within the East Anglia THREE site and the offshore cable corridor.
64. A second munitions dump site is located just to the south of the cable corridor (Figure 18.3), however as this area is outwith the offshore cable corridor it is unlikely that there will be any interaction between it and the proposed East Anglia THREE project.
18.6 Potential Impacts 18.6.1 Potential Impacts during Construction
18.6.1.1 Impact 1: Impacts on other UK Windfarms 65.
66. 67.
Overlap of construction activities; Increased pressure on port facilities; Navigational safety issues; and
Aviation (i.e. helicopter) safety issues.
Issues arising from navigational safety and aviation are dealt with in Chapter 15 Shipping and Navigation and Chapter 16 Aviation and MOD, respectively.
East Anglia FOUR and East Anglia ONE are the closest offshore windfarm projects to the proposed East Anglia THREE project (Figure 18.1). These projects are both in the planning phase and are being developed by East Anglia Offshore Wind Limited (EAOW), the company responsible for developing all projects within the East Anglia Zone. EAOWhave taken a strategic approach to developing the East Anglia Zone and impacts to other offshore windfarms within the zone are therefore not expected.
68.
There are three other UK offshore windfarm projects located within the vicinity of the East Anglia THREE project; Scroby Sands, Galloper and Greater Gabbard (Figure 18.1). The closest to the East Anglia THREE site is Scroby Sands located
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 18 Infrastructure and other users Page 25
Impacts on other windfarms during construction of the proposed East Anglia THREE project could arise from the following:
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