


Loss of habitat due to foundation type including associated sea bed preparation, predicted scour, scour protection and altered sedimentary processes.





  


93.


Environmental appraisal of inter-array and cable routes and installation methods.


Habitat disturbance from construction vessels extendible legs and anchors. Increased suspended sediment loads during construction.


Predicted rates at which the sub-tidal zone might recover from temporary effects.


With regards the inter-tidal environment, EN-3 (Paragraph 2.6.81) states that an assessment of the effects of installing cable across the inter-tidal zone should include information, where relevant, about:


 


   


94. 95.


Any alternative landfall sites that have been considered by the applicant during the design phase and an explanation of the final choice.


Any alternative cable installation methods that have been considered by the applicant during the design phase and an explanation of the final choice.


Potential loss of habitat.


Disturbance during cable installation and removal (decommissioning). Increased suspended sediment loads in the inter-tidal zone during installation.


Predicted rates at which the inter-tidal zone might recover from temporary effects.


EN-1 (Section 4.8) advises that the resilience of the project to climate change should be assessed in the ES accompanying an application.


In addition to NPS, guidance on the generic requirements, including spatial and temporal scales, for physical process studies associated with offshore windfarm developments is provided in seven main documents:





‘Offshore windfarms: guidance note for Environmental Impact Assessment in respect of Food and Environmental Protection Act (FEPA) and Coast Protection Act (CPA) requirements: Version 2’ (Cefas 2004).


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm Chapter 7 Marine Geology, Oceanography and Physical Processes Page 20


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