F. Geology & Hydrology ( PDF | 31.0 MB ) - RWE.com

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Figure 3.2 Brickfield 1 Comprising Soil Series Profiles Source: National Soil Resources Institute (2009) Full Soils Site Report for location 301000E, 356500N, 5km x 5km, National Soil Resources Institute, Cranfield University. Accessed via https://www.landis.org.uk/sitereporter/. ENVIRONMENTAL RESOURCES MANAGEMENT <strong>RWE</strong> NPOWER RENEWABLES LTD 9
Figure 3.3 Wilcocks 2 Comprising Soil Series Profiles 3.1.5 Topography Source: National Soil Resources Institute (2009) Full Soils Site Report for location 301000E, 356500N, 5km x 5km, National Soil Resources Institute, Cranfield University. Accessed via https://www.landis.org.uk/sitereporter/. Peat formation occurs when plant material is inhibited from decaying fully by acidic and anaerobic conditions. It therefore tends to accumulate in poorly drained, waterlogged areas, where anaerobic conditions predominate. Consequently, certain topographic features with inhibited drainage are more prone to peat accumulation, such as flatter slopes, shallow valley bottoms, small depressions and hollows, saddles between river catchments and gently sloping spurs. Ordnance Survey 1:25,000 and 1:50,000 map data was studied to identify the areas which may be more topographically suited to peat accumulation. The ENVIRONMENTAL RESOURCES MANAGEMENT <strong>RWE</strong> NPOWER RENEWABLES LTD 10
Page 1 and 2: Annex F Geology and Hydrology • F
Page 3 and 4: F1 WATER RESOURCES AND FLOODING - L
Page 5 and 6: After the GQA has been conducted, a
Page 7 and 8: Protection Zones (SPZs) across Engl
Page 9 and 10: F1.13 CLWYD STRUCTURE PLAN SECOND A
Page 11 and 12: CONTENTS 1 INTRODUCTION 1 2 ASSESSM
Page 13 and 14: 2 ASSESSMENT METHODOLOGY 2.1 INTROD
Page 15 and 16: • Each peat probing location was
Page 17 and 18: 3 RESULTS 3.1 DESK STUDY RESULTS 3.
Page 19: lower horizon. From these soil seri
Page 23 and 24: y their peat-forming vegetation). I
Page 25 and 26: Table 3.2 Peat survey results at pr
Page 27 and 28: BGS superfiical Phase 1 Turbine NSR
Page 29 and 30: BGS superfiical deposits and underl
Page 31 and 32: Table 3.3 Existing and new access t
Page 33 and 34: 3.2.4 Peat Loss Calculations Direct
Page 35 and 36: Infrastructure component Access tra
Page 37 and 38: 4 RECOMMENDED MITIGATION MEASURES 4
Page 39 and 40: Appendix 1 CCW Consultation
Page 41 and 42: CCW are of the view that the impact
Page 43 and 44: Undertaking'. Within this document
Page 45 and 46: Section 42 and LBAP Species/Habitat
Page 47 and 48: We recommend the inclusion of detai
Page 49 and 50: APPENDIX 1: EUROPEAN PROTECTED SPEC
Page 51 and 52: CADEIRYDD/CHAIRMAN: JOHN LLOYD JONE
Page 53 and 54: Peat depth Peat depth is some refec
Page 55 and 56: Annexe 1: 1.1 Overview (limited ext
Page 57 and 58: Yours sincerely Name Title Enc cc.
Page 59 and 60: It would be useful to define what i
Page 61 and 62: • If peat is identified through d
Page 63 and 64: 1 PHOTOLOG OF SURVEY LOCATIONS Figu
Page 65 and 66: Figure 1.5 Turbine 4 Figure 1.6 Tra
Page 67 and 68: Figure 1.9 Track past Turbine 7 Fig
Page 69 and 70: Figure 1.13 Turbine 11 - Dense fore
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Figure 1.17 Turbine 13 Figure 1.18
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Figure 1.21 Turbine 19 Figure 1.22
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Figure 1.25 Track past Turbine 25 F
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Appendix 3 Detailed Results Figures
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KEY: 0.15m 0.08m 0.2m 0.28m 0.18m 0
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KEY: Development Area Turbine Sampl
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KEY: TURBINE 4 Development Area Tur
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KEY: Development Area Turbine Sampl
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KEY: TURBINE 22 Development Area Tu
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KEY: TURBINE 26 Development Area Tu
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KEY: 0.2 0.12 Development Area Turb
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National Soil Resources Institute S
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Annex F4 Flood Consequences Assessm
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Flood Consequences Assessment - Clo
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Contents Executive Summary ........
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1 Introduction 1.1 Objectives Walli
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Runoff rates under 100-year storm t
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2 Description of the Site 2.1 Backg
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Steep channel with forest debris cl
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Figure 3 Location of proposed turbi
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2.4 Catchment Delineation An assess
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Outfall grid reference Total catchm
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Tests were attempted at two sites w
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The long term impacts on the surfac
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4 Flood Consequences Assessment 4.1
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4.3 Current Flood Risk In summary,
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Analyses are not presented for the
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WRAP fractional extents of 0.75 WRA
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5.3 Calculation of Existing Greenfi
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Afon Alwen No. 3 Afon Alwen No. 4 R
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1. Do nothing - on the grounds that
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5.6 Construction Appropriate method
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On the basis of a literature review
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Robinson, M. and Dupeyrat, A. 2005.
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Clocaenog Methodology and reasons f
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Clocaenog Methodology for mineral s
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Clocaenog Methodology for mineral s
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1.1 OVERVIEW CLOCEANOG WIND FARM BO
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Table1.1 Forest and Water Guideline
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Table 1.2 Borrow pit search areas S
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Table 1.3 Recommended borrow pit lo
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Name Easting Northing Search Area N
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360000 .000000 359000 .000000 35800
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