East Anglia ONE Offshore Windfarm Landscape Management PlanWork No 38 to 41
August, 2016
6 Maintenance 6.1 Aims 76. The design aspirations for the landscape proposals for substation are:
To create a robust and easily maintained landscape framework. To provide elements of visual screening towards the substation. To provide enhanced habitat opportunities in selected locations.
77.
To achieve the landscape objectives and ensure the success of the landscape setting, an ongoing regime of landscape maintenance and management will be necessary. The overarching management and maintenance objectives are:
To ensure full woodland and hedgerow establishment to provide visual screening and landscape structure. To ensure vegetation is kept healthy and vigorous, promoting good form, stem colour, flowering and structure of vegetation as appropriate.
To ensure appropriate maintenance operations are undertaken as necessary to ensure public safety. To promote the creation of rich and ecologically diverse interconnected habitats where appropriate. To ensure planting within the SuDS basins and swales are successfully established. To ensure pathways and access roads are kept free and clear of overhanging or nuisance vegetation. To allow the introduction of self-seeding of flowering species to encourage insects, which in turn may provide food sources for birds and bats to enhance local biodiversity.
78.
Woodland and hedgerow maintenance will be undertaken for a period of 10 years within woodland and hedgerow planted areas (WM1 -WM4 and H1). Any tree or shrub planted as part of the landscaping scheme that, within a period of 10 years after planting, is removed, dies or becomes seriously damaged or diseased, will be replaced in the first available planting season, with a specimen of the same species and size as that originally planted. Grassland maintenance during the establishment period will be undertaken for a period of 5 years within grassland habitat areas (G1 – G7).
6.1.1 Legal Obligations 79.
Maintenance will be carried out in accordance with relevant legislation. 6.1.2 General Requirements
80.
The following requirements for maintenance will apply to all planted areas within the EA ONE DCO boundary shown in the Soft Landscape General Arrangement (Appendix 2):
All landscape maintenance tasks to be undertaken by a competent contractor. All trimming and pruning of plants to be carried out once plants have flowered, seeded and shown fruit. Any management works related to soft landscape generally to be left until late Autumn.
No fertiliser or pesticides will be used. All arisings from landscape maintenance to be removed from site or stored with approval from relevant authorities. Watering to be carried out as required to ensure the successful establishment of the soft landscape proposals as detailed in Tables 6.1 – 6.7.
All planted areas within the EA ONE DCO boundary shown in the soft landscape general arrangement drawing (Appendix 2) will be kept clear of weed growth for the first 3 growing seasons; after 3 years, a herb layer can be allowed to return.
Weed control generally throughout all areas of the site to include spot herbicide treatment or manual removal of the following: - all broad leaved weeds. - docks (Rumex spp). - injurious weed species listed in theWeeds Act 1959 andWildlife and Countryside Act 1981. - Japanese knotweed (Fallopia spp). - nettles (Urtica spp). - ragworts (Senecio spp).
East Anglia ONE – EA1-CON-F-GBE-008554
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