in section 11 (up to the converter station) would only commence in week 27 (see Table 5.27). The average number of workers on site throughout the onshore cable route at any one time is estimated to be around 70, peaking at 130 per day during the middle of the construction period and with up to 30 personnel on site for establishment and demobilisation phases for the CCS. Under Scenario 2, the total number of construction employees required has been estimated at up to 70 construction personnel associated with each section of the onshore cable route at peak periods of activity on that section. The average number of workers on site throughout the onshore cable route at any one time is estimated to be around 140, peaking at 300 per day during the middle of the construction period (see Table 5.28). These figures are based on man power requirements from previous equivalent projects.
421. The CCSs would facilitate concurrent working within the eleven sections along the onshore cable route. Each section of work would be supplied and supported by a CCS. The extent of each of the eleven sections has been defined by the constraints afforded by existing natural or man-made obstructions.
422. Within each of the sections, work would be undertaken in a practical, logical and sequential manner. Wherever practical, the works would commence from one CCS and terminate at the next.
423. The sequence of construction activity within each section along the onshore cable route would be:
Establish temporary fences along section boundaries; Site clearance and topsoil strip between fence lines; Establish and prepare temporary haul road along working strip; Excavate trenches for direct burial and ducted cable; Excavate jointing pits; Install cable bedding; Cable or duct laying; Trench reinstatement; Topsoil replacement and seeding; Remove temporary fencing; and
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 5 Description of the Development Page 91
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