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 Work out the verification procedures for the final compliance with the noise requirements for the plant.


473. Typical noise sources in an HVDC converter station are:  Power transformers;  Reactors;  Cooling fans for cooling systems;  Ventilation openings and facades of the equipment buildings;  PLC filter components; and  Air-conditioning equipment.


5.6.12 Onshore Converter Station(s) decommissioning 474. No decision has been made regarding the final decommissioning policy for the proposed converter station, as it is recognised that industry best practice, rules and legislation change over time.


475. The converter station(s) and equipment could be removed and the components reused or recycled. The foundations would be removed to below ground level and the ground covered in topsoil and re-vegetated to return the site to its initial state or reused for other future developments.


476. The decommissioning methodology cannot be finalised until immediately prior to decommissioning, but would be in line with relevant policy at that time.


5.7 References


Civil Aviation Authority (2012) Lighting of Wind Turbine Generators in United Kingdom Territorial Waters


International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA) 2008. Recommendation 0-139. The Marking of Man-Made Offshore Structures. Edition 1.


Chapter 5 Ends Here


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 5 Description of the Development Page 109


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