Galloper Wind Farm Project - National Infrastructure Planning

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Peter Holborn Suffolk County Council Endeavour House 8 Russell Road Ipswich Suffolk IP1 2BX 05 September 2011 Galloper Wind Farm Re: Proposed Galloper Wind Farm Onshore Infrastructure at Sizewell Landscape Proposals Update Dear Peter Thank you for meeting with myself and colleagues on 25 August 2011. Please find enclosed with this letter draft minutes of the meeting for your comment/approval as appropriate. We welcomed the constructive comments with respect to our landscape proposals and trust that the enclosures with this letter acknowledge the points discussed. As you are aware we are holding imminent and ongoing discussions with the freehold landowner EDF (as a statutory consultee) on the final form of the proposals. As such we would respectfully request that any comments are received at the earliest opportunity, ideally on or before Friday 9th September. We considered the meeting very productive and were pleased that we were able to reach consensus on the suitability of the onshore Rochdale Envelope approach, subject to two caveats we have addressed later in this letter. In light of discussions at our meeting I enclose updated and additional plans and sections with regard to the proposed landform and other landscape mitigation measures. This letter also discusses how the proposals will be dealt with in the draft Development Consent Order (DCO) and your proposals in relation to a contribution to a fund to mitigate residual landscape impacts on the Area of Outstanding Natural Beauty (AONB). Proposed landform Galloper Wind Farm Our ref: GGEXT2379 Name: Colin McAllister Phone : 01793 474113 E-Mail: colin.mcallister@rwe.com At the meeting both SCC and SCDC expressed initial reservations that the landform as shown in the draft Landscape Mitigation Statement (Appendix 2, Drawing 2890/07D) may not fit adequately into the existing landscape and that it may be necessary to reduce the height of the landform or to reduce the incline, ideally to a slope of 1 in 10. After discussion it was agreed that a height in the RWE npower renewables Auckland House Lydiard Fields Great Western Way Swindon Wiltshire SN5 8ZT T +44 (0)8456 720 090 F +44 (0)1793 474 841 I www.npower-renewables.com Registered office: RWE Npower Renewables Limited Auckland House Lydiard Fields Great Western Way Swindon Wiltshire SN5 8ZT Registered in England and Wales no. 2550622 SSE Renewables 55 Vastern Road Reading RG1 8BU T +44 (0) 7787 437559 I www.galloperwindfarm.co.uk Registered office: SSE Renewables Holdings (UK) Ltd 2nd Floor 83-85 Great Victoria Street Belfast BT2 7AF Northern Ireland Registered no: NI043239
egion of 16.5m was appropriate on the key lengths of the west and south sides of the landform, but that a higher level (than the current 15m) would be preferable on the northern area. This was on the basis of the visual and landscape impact on the north side being comparably more important than the undesignated acid grassland habitat landtake. It was however also discussed that the potential to lower the landform towards the western end would benefit a more natural form and act against the potential to create a single ‘reservoir type’ flat surface (albeit concealed by planting in the longer term). In light of these comments we have examined various revisions to the height of the landform and have amended the plan to take into account the comments above, whilst being conscious of earthworks balancing and the location of the 14m envelope in the southeast quarter. The amended scheme is shown in the accompanying plan 25456/003/018B which also includes contours for the existing land adjacent to the proposed landform, to better show how the landform will blend into the existing landscape. We are pleased to confirm that the revised landform achieves a slope of 1 in 10 and a very close balance on earthworks volumes, such that any difference due to settlement or bulking could be handled within limited import/export addressed as ‘worst case’ in the Environmental Statement. The main changes from the plan we discussed on the 25 August are set out in the following paragraphs. Southern edge: The height of the landform to the south of the GWF compound has been modified from a uniform 16.5m crest to a varying height of 15.5m at the west, rising to 17m over the more exposed cable corridor and falling to 16.5m to the east. This will allow a more natural undulating form while providing maximum screening of the highest building in the southeast quarter of the compound. The landform has also been extended to the east to allow a more gradual integration into the existing landscape at this point and to provide further benefit to views from the southeast on Sizewell Gap. The front, south facing, slope of the landform has been widened to allow a more gradual slope to be introduced when viewed from Sizewell Gap. This has resulted in the average gradient of the slope slackening to 1 in 10 as requested. We also note your comments in relation to the vertical depth of the landform and whether we could therefore plant deeper rooted vegetation over the cables. Although subject to detailed design, we believe it should be feasible to plant shallow rooted species at the top of the embankment. This has been shown as woodland edge planting on the accompanying landscape plan. Western edge: The height of the landform to the west of the compound has been reduced from a uniform 16.5m to a uniform height of 15.5m. This reduction in height reflects the fact that the highest buildings in the compound are constrained further away to the south eastern quarter of the GWF compound and that views from due west are limited by existing planting. The front, west facing, slope of this landform has been widened to allow a more gradual slope to be introduced. This has resulted in the average gradient of the slope slackening to the discussed gradient of 1 in 10. Northern edge: The height of the landform to the north of the compound has been modified from a uniform 15m to a varying height of 15.5m at the west, rising to 16m before falling to 13.5m in the east. This will allow a more natural looking form while providing improved integration into the landscape of the buildings in the GWF compound. The eastern element of the north facing slope has been modified to allow a more gradual alignment change in this area along the landform crest. The north facing slope has been widened to allow a more
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2842_LVIA 154 Receptor, sensitivity
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2842_LVIA 156 Table 5: Effects Summ
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Character Area 82 Suffolk Coast and
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This area also fostered the first c
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several small greens in an attempt
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1 Ancient Estate Claylands EP/Edit1
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5 Coastal Dunes and Shingle Ridges
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6 Coastal Levels EP/Edit1/02.08.10
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GALLOPER WIND FARM ENVIRONMENTAL ST
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2842_SLVIA Contents 1.0 Introductio
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2842_SLVIA Appendix Appendix 1: Sea
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2842_SLVIA 1 1.0 Introduction 1.1.1
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2842_SLVIA 3 The majority of the WT
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2842_SLVIA 5 2.0 Assessment Methodo
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2842_SLVIA 7 currently available an
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2842_SLVIA 9 Table 2: Consultation
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2842_SLVIA 11 Consultees Date of Co
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2842_SLVIA 13 3.0 Landscape and Sea
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2842_SLVIA 15 3.2. Landscape Design
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2842_SLVIA 17 Suffolk Heritage Coas
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2842_SLVIA 19 Conservation Areas 3.
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2842_SLVIA 21 � Coastal Dunes and
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2842_SLVIA 23 Coastal Levels 4.2.17
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2842_SLVIA 25 Beyond the ongoing te
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2842_SLVIA 27 4.2.37. This landscap
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2842_SLVIA 29 Sensitivity to Change
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2842_SLVIA 31 seascape and visual e
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2842_SLVIA 33 dominated by the buil
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2842_SLVIA 35 visible from within i
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2842_SLVIA 37 visible from within i
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2842_SLVIA 39 Extensive, long dista
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2842_SLVIA 41 Perceptual Qualities
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2842_SLVIA 43 5.2.4. As can be seen
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2842_SLVIA 45 River Ore and to east
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2842_SLVIA 47 5.4.7. It is assumed
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2842_SLVIA 49 5.8.3. Distances from
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2842_SLVIA 51 Distance and Directio
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2842_SLVIA 53 interest within the v
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2842_SLVIA 55 Viewpoint 5 - Orford
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2842_SLVIA 57 Existing View 5.8.21.
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2842_SLVIA 59 5.8.25. The viewpoint
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2842_SLVIA 61 Table 8: Existing Vie
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2842_SLVIA 63 main effect. There wi
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2842_SLVIA 65 Special Landscape Are
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2842_SLVIA 67 6.3.11. Similarly, fo
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2842_SLVIA 69 6.4. Operational Effe
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2842_SLVIA 71 Table 10: Operational
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2842_SLVIA 73 nature and extent wit
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2842_SLVIA 75 the proposed WTGs of
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2842_SLVIA 77 7.3. Representative V
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2842_SLVIA 79 Magnitude and Signifi
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2842_SLVIA 81 east-southeast sector
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2842_SLVIA 83 horizon line by appro
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2842_SLVIA 85 Viewpoint Viewpoint 5
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2842_SLVIA 87 Alderton and to Oak H
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2842_SLVIA 89 structures/embankment
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2842_SLVIA 91 8.0 Cumulative Effect
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2842_SLVIA 93 8.4. Cumulative Seasc
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2842_SLVIA 95 8.5.2. The assessment
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2842_SLVIA 97 8.5.9. Receptors pass
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2842_SLVIA 99 8.6. Cumulative Viewp
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2842_SLVIA 101 effects. There could
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2842_SLVIA 103 10.0 Summary and Con
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2842_SLVIA 105 between the proposed
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2842_SLVIA 107 10.4. Summary of Cum
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2842_SLVIA Appendix 1: Seascape, La
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2842_SLVIA � The effects of histo
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2842_SLVIA � A desk study of nati
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2842_SLVIA ZTVs and wireframes are
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2842_SLVIA � High - Total or majo
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2842_SLVIA Making positive/adverse
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2842_SLVIA how each of the key char
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2842_SLVIA fact that they are in a
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2842_SLVIA The cumulative assessmen
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2842_SLVIA Appendix 2: Regional Lan
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6 Coastal Levels EP/Edit1/1.10.10 C
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6 Coastal Levels EP/Edit1/1.10.10 t
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7 Estate Sandlands EP/Edit1/02.08.1
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7 Estate Sandlands EP/Edit1/02.08.1
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7 Guidance Note Estate Sandlands EP
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16 Guidance Note Rolling Estate San
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16 Guidance Note Rolling Estate San
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16 Rolling Estate Sandlands EP/Edit
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2842_SLVIA Appendix 3: Methodology
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2842_SLVIA Appendix 4: Source Docum
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2842_SLVIA Landscape capacity refer
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