East Anglia ONE Offshore Windfarm Landscape Management PlanWork No 38 to 41
August, 2016
As the soil within the receiving site is predominately clay based species have been chosen that thrive or are tolerant of clay soils.
The tree species are also a mixture to create, where possible, variety of woodland and strong ecological resilience for the long term future of the woodlands.
Tree guards with stakes will be specified to protect the young trees against pests. Deer proof fencing with rabbit proof mesh has also been specified in places as it would be cost effective and less visually intrusive to fence and protect an entire new woodland area instead of using individual tree guards.
Replacement individual tree planting will be undertaken on a 2 for 1 basis, and where possible with like for like species. This is for distinct standalone trees that felled as part of the construction works (identified in Appendix 11). Individual replacement tree planting stock will be 1.8-2.1m, bare root feathered stock.
Planting will be carried out while weather and soil conditions are suitable for the relevant operations, avoiding periods of frost, strong winds or heavy rainfall taking place during the periods defined in Section 5.1.1.
29.
The woodland and hedgerow species that will be planted are listed in Tables 4-1 to 4-5, showing the species name and the proportion of each species for each type of planting. The Soft Landscape General Arrangement (Appendix 2) shows the locations of all woodland and hedgerow planting. Full schedules including numbers of individual tree and hedge species, are provided in Appendix 7 (Planting Schedules).
30.
Substantial areas of woodland will be planted to the immediate west of the substation (Area A) and south-west of the substation (Areas B and C), either side of the high-voltage overhead power line (allowing for a 20m offset from the overhead line). These areas of woodland will provide visual screening of the substation in views from the Burstall / Burstallhill area to the west and south-west, the public right of way to the west and provide a landscape setting to the SuDs basin.
31.
Woodland planting will extend the existing Fore Grove and Bushey Grove woodlands to the immediate north of the substation, in order to reinforce (Area D) and extend (Area E) the visual screening provided by these existing woodlands in views from the north, such as Tye Lane and settlements beyond at Somersham and Little Blakenham.
32.
Areas of woodland will also be located to the east of the substation, extending Gobert’s Grove woodland (Area F) in the area between the existing high-voltage overhead power lines and the Bramford National Grid substation.Woodland planting will be located near the access road junction to Bullen Lane (Areas G and H), to extend woodland that is locally characteristic along Bullen Lane and provide a setting to the access road and its SuDs basin. These areas of woodland will provide visual screening of the substation in views from the east, such as the public right of way, Bullen Lane and Bramford.
33.
Further smaller areas of woodland planting will supplement the areas of National Grid mitigation planting to the south-east of the substation (along the northern side of the NG substation) and provide visual separation between the access track to the substation and the existing access track along the northern edge of the NG substation.
34.
Planting will be established early in the construction of the substation, where possible, to allow trees and planting additional growth time and allow mitigation to occur at the earliest opportunity.
35.
There are four types of woodland planting, as shown in the Soft Landscape General Arrangement (Appendix 2), consisting of a core woodland mix (WM1), woodland edge mix (WM2), screening woodland mix (WM3) and wet woodland mix (WM4). The species mixes for these areas of woodland are shown in Tables 4-1 to 4-4.
East Anglia ONE – EA1-CON-F-GBE-008554
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