LONDON-WEST MIDLANDS ENVIRONMENTAL STATEMENT ENVIRONMENTAL MIDLANDS LONDON-WEST | Vol 2 Vol LONDON- | Community Forum Area report Area Forum Community WEST MIDLANDS ENVIRONMENTAL STATEMENT Volume 2 | Community Forum Area report CFA1 | Euston - Station and Approach | CFA1 | Euston - Station and Approach Approach Station and - Euston November 2013 VOL VOL VOL ES 3.2.1.1 2 2 2 London- WEST MIDLANDS ENVIRONMENTAL STATEMENT Volume 2 | Community Forum Area report CFA1 | Euston - Station and Approach November 2013 ES 3.2.1.1 High Speed Two (HS2) Limited has been tasked by the Department for Transport (DfT) with managing the delivery of a new national high speed rail network. It is a non-departmental public body wholly owned by the DfT. A report prepared for High Speed Two (HS2) Limited: High Speed Two (HS2) Limited, Eland House, Bressenden Place, London SW1E 5DU Details of how to obtain further copies are available from HS2 Ltd. Telephone: 020 7944 4908 General email enquiries: [email protected] Website: www.hs2.org.uk High Speed Two (HS2) Limited has actively considered the needs of blind and partially sighted people in accessing this document. The text will be made available in full on the HS2 website. The text may be freely downloaded and translated by individuals or organisations for conversion into other accessible formats. If you have other needs in this regard please contact High Speed Two (HS2) Limited. Printed in Great Britain on paper containing at least 75% recycled fibre. CFA Report – Euston – Station and Approach/No 1 | Contents Contents 1 Introduction 1 1.2 Introduction to HS2 1 1.3 Purpose of this report 1 1.4 Structure of this report 3 2 Overview of the area and description of the Proposed Scheme 5 2.1 The case for Euston as the London terminus for HS2 5 2.2 Overview of the area 6 2.3 Description of the Proposed Scheme 15 2.4 Construction of the Proposed Scheme 26 2.5 Operation of the Proposed Scheme 62 2.6 Community forum engagement 63 2.7 Route section main alternatives 65 3 Agriculture, forestry and soils 71 4 Air quality 73 4.1 Introduction 73 4.2 Scope, assumptions and limitations 73 4.3 Environmental baseline 74 4.4 Effects arising during construction 76 4.5 Effects arising from operation 79 5 Community 81 5.1 Introduction 81 5.2 Scope, assumptions and limitations 81 5.3 Environmental baseline 81 5.4 Effects arising during construction 84 5.5 Effects arising from operation 92 6 Cultural heritage 95 6.1 Introduction 95 6.2 Scope, assumptions and limitations 95 6.3 Environmental baseline 96 i CFA Report – Euston – Station and Approach/No 1 | Contents 6.4 Effects arising during construction 102 6.5 Effects arising from operation 106 7 Ecology 107 7.1 Introduction 107 7.2 Scope, assumptions and limitations 107 7.3 Environmental baseline 108 7.4 Effects arising during construction 111 7.5 Effects arising from operation 113 8 Land quality 115 8.1 Introduction 115 8.2 Scope, assumptions and limitations 116 8.3 Environmental baseline 116 8.4 Effects arising during construction 120 8.5 Effects arising from operation 129 9 Landscape and visual assessment 131 9.1 Introduction 131 9.2 Scope, assumptions and limitations 132 9.3 Environmental baseline 133 9.4 Temporary effects arising during construction 137 9.5 Permanent effects arising during operation 151 10 Socio-economics 163 10.1 Introduction 163 10.2 Scope, assumptions and limitations 163 10.3 Environmental baseline 164 10.4 Effects arising during construction 168 10.5 Effects arising during operation 174 11 Sound, noise and vibration 177 11.1 Introduction 177 11.2 Environmental baseline 178 11.3 Effects arising during construction 180 11.4 Assessment of impacts and effects 182 11.5 Effects arising during operation 193 12 Traffic and transport 197 12.1 Introduction 197 12.2 Scope, assumptions and limitations 197 12.3 Environmental baseline 198 12.4 Effects arising during construction 202 12.5 Effects arising from operation 221 13 Water resources and flood risk assessment 243 13.1 Introduction 243 ii CFA Report – Euston – Station and Approach/No 1 | Contents 13.2 Scope assumptions and limitations 244 13.3 Environmental baseline 245 13.4 Effects arising during construction 251 13.5 Effects arising from operation 254 14 Ancillary works for potential over site development 255 14.1 Introduction 255 14.2 Scope of the assessment 255 14.3 Description of the ancillary works assessed 258 14.4 Assessment of the environmental effects of the Proposed Scheme with ancillary works 260 14.5 Need for additional mitigation measures if the ancillary works are implemented267 14.6 Summary of the likely significant residual effects if the ancillary works are implemented 267 15 References 269 List of figures Figure 1: HS2 Phase One route and community forum areas 2 Figure 2: Area context map 7 Figure 3: Euston station block plan: Below ground platforms and underground connections 18 Figure 4: Euston station block plan: Ground floor concourse 19 Figure 5: Euston block plan: First floor passenger facilities and service deck 20 Figure 6: Euston station: intermodal connections 23 Figure 7: Proposed utility diversions – size of trenches assumed for assessment 35 Figure 8: Activity based construction programme 55 Figure 9: Business sector composition in the LBC and London 165 Figure 10: Proportion of employment by industrial sector in the LBC and London 166 Figure 11: LU southbound boarders at Euston and eastbound at Euston Square stations, 07:00- 10:00, 2026 (% represents proportion using each line) 225 Figure 12 LU southbound boarders at Euston and eastbound at Euston Square stations, 07:00- 10:00, 2041 (% represents proportion using each line) 226 Figure 13: AM Peak crowding 2026 LU lines southbound south of Euston (future baseline (2026)/future baseline 2026 + Proposed Scheme) 227 Figure 14: AM Peak crowding 2041 LU lines southbound south of Euston (future baseline (2041)/future baseline 2041 + Proposed Scheme) 227 Figure 15: Areas assessed for over site development ancillary works 257 List of tables Table 1: Demolition works in the Euston area 29 Table 2: Permanent road closures without replacement 46 Table 3: Permanent road closures with replacement 47 iii CFA Report – Euston – Station and Approach/No 1 | Contents Table 4: Long period temporary road closures 47 Table 5: Estimated construction, demolition and excavation waste 53 Table 6: Operational waste forecast for the Proposed Scheme 63 Table 7: Protected and/or notable species 110 Table 8: Summary of sensitive receptors 120 Table 9: Summary of baseline CSM for sites which may pose a contaminative risk for the Proposed Scheme 123 Table 10: Summary of temporary (construction) effects 124 Table 11: Summary of permanent (post-construction) effects 127 Table 12: Resources with potentially significant direct effects 171 Table 13: Significant effect on resources 172 Table 14: Adverse effects of construction noise and vibration that are considered to be significant on a community basis 184 Table 15: Train flows and speeds 193 Table 16: Adverse effects of operational noise and vibration that are considered to be significant on a community basis 195 Table 17: Existing National Rail passenger demand at Euston station 200 Table 18: London Underground passenger movements at Euston station 200 Table 19: Baseline rail passenger demand at Euston station 201 Table 20: Typical vehicle trip generation for construction site compounds in this area 204 Table 21: Construction highway works 206 Table 22: Significant increases in daily traffic flow resulting in pedestrian severance 210 Table 23: Significant increases in daily traffic flow resulting in pedestrian severance (outside CFA1) 211 Table 24: Significant decreases in daily traffic flow resulting in reduced pedestrian severance (CFA1) 212 Table 25: Significant decreases in daily traffic flow resulting in reduced pedestrian severance (outside CFA1) 213 Table 26: Forecast rail and London Underground passengers at Euston 224 Table 27: 2026 Hs2 Phase One Forecast peak hour taxi set down and pick up (vehicles) from all rail229 Table 28: 2041 Hs2 Phase Two Forecast peak hour taxi set down and pick up (vehicles) from all rail229 Table 29: Roads with increased Traffic Flow resulting in increased pedestrian Severance, 2026 and 2041 (CFA1) 231 Table 30: Roads with increased Traffic Flow resulting in increased pedestrian Severance, 2026 and 2041 (outside CFA1) 234 Table 31: Roads with decreased Traffic Flow resulting in reduced pedestrian Severance, 2026 and 2041 (CFA1) 234 Table 32: Roads with decreased Traffic Flow resulting in reduced pedestrian Severance, 2026 and 2041 (outside CFA1) 236 Table 33: Surface water features potentially affected by the Proposed Scheme 245 Table 34: Summary of geology and hydrogeology in CFA1 247 Table 35: Typical vehicle trip generation for construction site compounds with ancillary works 265 Table 36: A description of the effect of the Proposed Scheme with ancillary works on 'substantial' vehicle movements 266 iv CFA Report – Euston – Station and Approach/No 1 | Structure of the HS2 Phase One Environmental Statement Structure of the HS2 Phase One Environmental Statement The Environmental Statement (ES) documentation comprises: Non-technical summary (NTS) – which provides a summary in non-technical language of the Proposed Scheme, the likely significant environmental effects of the Proposed Scheme, both beneficial and adverse, and the means to avoid or reduce the adverse effects; Volume 1: Introduction to the Environmental Statement and the Proposed Scheme. This describes