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Response / where addressed in the East Anglia ONE Environmental Statement (ES)
mudflat habitat (including mudflat compaction) as a result of construction/mooring/use of structures and possible mitigated. Should also include the post construction and servicing stages.
Natural England (02 August 2012)
June 2012 / Phase 2 Consultation Comments
Focused attention on direct drilling under the Deben and use of the river to transport materials (cable etc) to a compound on the Ramsholt Marshes. Noted this would possibly be in place for up to a year. Have no objection to this idea in principle, but advise that the EIA and Habitats Regulation Assessment (HRA) examine disturbance to birds, damage to habitats, and pollution effects. Unlikely timing restrictions would be placed on the cable route works; however this would be dependent on the EIA / HRA outcomes and suitable mitigation where needed.
Deben Estuary Partnership (1st August 2012)
June 2012 / Phase 2 Consultation Comments
The intertidal area and land adjacent to the Deben and Martlesham crossings have significant environmental importance. Construction impacts should be minimised with temporary working areas set back from river walls and work phased to lessen impacts on breeding and overwintering birds. Expect impact assessment of the creation of riverside construction sites, haul roads, and handling of drilling slurry. Queried whether (decontaminated) clay slurry / sediment spoil from
Preliminary Environmental Information May 2014 East Anglia THREE Offshore Windfarm
mudflat habitat) are considered in Chapter 24 of the East Anglia ONE ES in Section 24.6.
The impact assessment of the onshore electrical transmission works on ecology and ornithology around the Deben Estuary is detailed within Chapter 24 of the East Anglia ONE ES. A separate report to inform the Habitats Regulations Assessment has been undertaken and is submitted alongside the application for the Development Consent Order. EAOW no longer proposes the use of the River Deben for the transport of construction materials.
There will be no direct impacts to the water courses at the River Deben and Martlesham Creek crossings due to the use of HDD methods. The locations of the HDD compounds associated with these compounds are outlined within Volume 1, Chapter 4 and shown on Volume 6, Figure 4-10. Impacts of construction of the Onshore cable route on ornithology are discussed in Section 24.6. Detailed method statements for HDD operations would be finalised
Appendix 23.3 East Anglia ONE onshore ecology consultation, SoCG and