Onshore cable route Construction
Converter Station Operation
Buffer zone applied to Construction Consolidation Sites (CCS) such that the boundary of the CCS is not within 100m of the nearest residence.
The operational noise emissions from the East Anglia THREE converter station is likely to be governed by a similar draft DCO noise restriction to 35dB LAeq 5min at Bullenhall Farm, Hill Farm and Woodlands Farm that has been advised for East Anglia ONE.
Industry standard noise mitigation schemes (including consideration of design) around the converter station compound will be required to ensure that noise emissions from the concurrent operation of East Anglia ONE and East Anglia THREE does not exceed the levels stated in the draft DCO noise requirement.
Assessment Methodology
Guidance 16.
The assessment of potential impacts upon onshore noise and vibration receptors has been made with specific reference to the relevant NPS. These are the principal decision making documents for Nationally Significant Infrastructure Projects (NSIP). Those relevant to the proposed East Anglia THREE project are:
17. Overarching NPS for Energy (EN-1) (DECC 2011a);
NPS for Renewable Energy Infrastructure (EN-3) (DECC 2011b); and NPS for Electricity Networks Infrastructure (EN-5) (DECC 2011c).
In addition, the following legislation, standards and guidance have been used and considered in the course of the noise assessment:
The Control of Pollution Act, 1974 (COPA); The Environmental Protection Act, 1990 (EPA);
Noise Policy Statement for England (NPSE) (Department for Environment, Food and Rural Affairs (DEFRA) 2010);
British Standard (BS) 7445-2:1991 “Description and measurement of environmental noise. Guide to the acquisition of data pertinent to land use” (British Standards Institute (BSI) 1991);
BS5228-1:2009 “Code of practice for noise and vibration control on construction and open sites. Noise” (BSI 2009). This is an important source of data for anticipated noise emissions from construction plant and forms a key input to the predictive noise modelling in this assessment;
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 26 Noise and Vibration Page 8
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