22.6.2.1.2Converter station 155. The total land take at the converter station would be 2.61ha (Table 22.2). This land is ALC grade 2 and is considered to be of high sensitivity. The land would be taken out of use permanently. Due to the small area of the converter station in the context of the regional resource (as outlined above), the magnitude of the impact is considered to be low. Although the impact significance is therefore predicted to be moderate adverse at a site level in the immediate vicinity of the converter station compound, the impact is considered to be of minor adverse significance in the context of the county.
22.6.2.2 Impact 2: Impacts to environmental stewardship schemes
22.6.2.2.1 Landfall and onshore cable route 156. Following construction, it is expected that all ESS affected would be reinstated, and there would therefore be no impact. Potential impacts regarding permanent easement are discussed in Operational Impact 1 above.
22.6.2.2.2Converter station 157. The land at the converter station is fully included within an entry level stewardship scheme. The land would be permanently taken out of use during the operation of the proposed East Anglia THREE project. This level of stewardship is considered to be of medium sensitivity and the magnitude of the potential impact is considered to be low. This is due to the limited number of management options applicable to the centre of fields, where the converter station would be located. Minimisation of the footprint of the converter station would mitigate impact as far as practicable. The predicted impact is thereforeminor adverse at the site level but negligible at the wider scale.
22.6.2.3 Impact 3: Alterations to land drainage
22.6.2.3.1 Landfall, onshore cable route and converter station 158. Land drains are present throughout the onshore electrical transmission works area. The following measures would ensure the impact on land drainage, is minimised through embedded mitigation outlined in Table 22.3.
159. The potential drainage requirements and strategy for avoiding flood risk at the converter station location are discussed in Chapter 21 Water Resource and Flood Risk.
160. Given that all drainage would be reinstated and drainage requirements at the converter station would be compliant with any flood risk assessment, it is considered that there would be no impact upon drainage during operation.
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 22 Land Use Page 46
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