Transportation of monopile and transition piece to port and dry dock for dismantling and reuse and recycling where possible.
112. Note that it would not be intended to reinstate the local excavations remaining at the monopile locations as it is anticipated that this would refill naturally over time.
5.4.5 Navigation lighting requirements and colour scheme 113. The wind farm would be designed and constructed to satisfy the requirements of the Civil Aviation Authority (CAA) and the Trinity House Lighthouse Service (THLS) in respect of marking, lighting and fog-horn specifications. CAA recommendations on “Lighting of Wind Turbine Generators in United Kingdom Territorial Waters”, September 2004 would be adhered to. THLS recommendations would be followed as described in “Renewable Energy Installation Farms and Fields-Provision and Maintenance of Local Aids to Navigation by Trinity House” and “the International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA) Recommendation 0-139 on theMarking of Offshore Wind Farms, (IALA 2008)”.
114. The colour scheme for nacelles, blades and towers is typically RAL 7035 (light grey). Foundation steelwork is generally in RAL 1023 (traffic light yellow) up to the Highest Astronomical Tide (HAT) +15m or to Aids to Navigations, whichever is the highest.
5.4.6 Meteorological Masts 115. Up to two operational meteorological masts (met masts) may be installed within the East Anglia THREE site, neither of which would exceed a height of 150m above LAT. The foundations usedmay be jacket, gravity base, suction caisson or monopile. Table 5.10 illustrates the different size of foundation required to support met masts.
Table 5.10 Indicativemetmast foundation footprints Foundation Type
Jacket with pin piles Jacket with suction caissons Gravity Base Suction caisson Monopile Minimum Footprint (m2) 400 625 315 176 30
Maximum Footprint with scour protection (m2)
900 900 2830 710 707
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 5 Description of the Development Page 26
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