Impact


restricted access to traditional fishing grounds


Key design parameters forming the worst case scenario


foundations at a minimum separation of 675m x 900m.


Maximum of three offshore collector stations.


Maximum of two offshore converter stations.


Maximum of two meteorological masts. Maximum of two Lidar buoys Maximum of one accommodation platform


Cable protection applied to a maximum of 10% of inter-array cables


Cable protection applied to a maximumof 10% of export cables east of export cable crossings with Greater Gabbard Offshore Windfarm


Cable protection applied to a maximum of 2.5% of export cables west of cable crossings with Greater Gabbard Offshore Wind Farm


Impact 3: Safety issues for fishing vessels


Fishing vessel interaction with exposed cables.


The assessment recognises the safety risks posed by inter-array and offshore export cables, based upon:


Maximum inter-array cable length = 550km


Maximum length of offshore export cables= 195km HVAC cables and 620km HVDC


Preliminary Environmental Information May 2014


Worst case scenario based on the maximum length of inter-array, and offshore export cables and equipment potentially exposed to interaction from fishing gears or anchor interaction or dredger interaction.


Based on the greatest potential risk of allision due to maximum number of structures.


Worst case scenario describes the maximum number of wind turbines and hence increases the potential extent of the zone of radar interference.


Maximum number of structures at a minimum spacing creates greatest potential allision risk and therefore demand on emergency response.


East Anglia THREE Offshore Windfarm


Chapter 14 Commercial Fisheries Page 14


Rationale proposed East Anglia THREE project.


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