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 CFA10 | Dunsmore, Wendover and Halton | CFA10 | Dunsmore, Wendover and Halton and Halton Wendover Dunsmore, November 2013 VOL VOL VOL ES 3.2.1.10 2 2 2 London- WEST MIDLANDS ENVIRONMENTAL STATEMENT Volume 2 | Community Forum Area report CFA10 | Dunsmore, Wendover and Halton November 2013 ES 3.2.1.10 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 – Dunsmore, Wendover and Halton/No 10 | Contents Contents Contents i Structure of the HS2 Phase One Environmental Statement v 1 Introduction 1 1.1 Introduction to HS2 1 1.2 Purpose of this report 1 1.3 Structure of this report 3 2 Overview of the Area and Description of the Proposed Scheme 5 2.1 Overview of the area 5 2.2 Description of the Proposed Scheme 9 2.3 Construction of the Proposed Scheme 16 2.4 Operation of the Proposed Scheme 37 2.5 Community forum engagement 38 2.6 Route section main alternatives 40 3 Agriculture, forestry and soils 47 3.1 Introduction 47 3.2 Scope, assumptions and limitations 47 3.3 Environmental baseline 48 3.4 Effects arising during construction 53 3.5 Effects arising from operation 62 4 Air quality 65 4.1 Introduction 65 4.2 Scope, assumptions and limitations 65 4.3 Environmental baseline 66 4.4 Effects arising during construction 68 4.5 Effects arising from operation 70 5 Community 71 5.1 Introduction 71 5.2 Scope, assumptions and limitations 71 5.3 Environmental baseline 71 i CFA Report – Dunsmore, Wendover and Halton/No 10 | Contents 5.4 Effects arising during construction 73 5.5 Effects arising from operation 77 6 Cultural heritage 79 6.1 Introduction 79 6.2 Scope, assumptions and limitations 79 6.3 Environmental baseline 80 6.4 Effects arising during construction 89 6.5 Effects arising from operation 99 7 Ecology 101 7.1 Introduction 101 7.2 Scope, assumptions and limitations 101 7.3 Environmental baseline 102 7.4 Effects arising during construction 111 7.5 Effects arising from operation 117 8 Land quality 121 8.1 Introduction 121 8.2 Scope, assumptions and limitations 122 8.3 Environmental baseline 122 8.4 Effects arising during construction 125 8.5 Effects arising from operation 132 9 Landscape and visual assessment 135 9.1 Introduction 135 9.2 Scope, assumptions and limitations 136 9.3 Environmental baseline 136 9.4 Temporary effects arising during construction 141 9.5 Permanent effects arising during operation 166 10 Socio-economics 193 10.1 Introduction 193 10.2 Scope, assumptions and limitations 193 10.3 Environmental baseline 193 10.4 Effects arising during construction 197 10.5 Effects arising during operation 199 11 Sound, noise and vibration 201 11.1 Introduction 201 11.2 Environmental baseline 202 11.3 Effects arising during construction 203 11.4 Effects arising during operation 208 12 Traffic and transport 215 12.1 Introduction 215 12.2 Scope, assumptions and limitations 215 ii CFA Report – Dunsmore, Wendover and Halton/No 10 | Contents 12.3 Environmental baseline 216 12.4 Effects arising during construction 217 12.5 Effects arising from operation 224 13 Water resources and flood risk assessment 227 13.1 Introduction 227 13.2 Scope, assumptions and limitations 228 13.3 Environmental baseline 229 13.4 Effects arising during construction 237 13.5 Effects arising from operation 242 14 References 245 List of figures Figure 1: HS2 Phase One route and community forum areas 2 Figure 2: Area context map 6 Figure 3: Schematic of site compounds for civil engineering works 20 Figure 4: Schematic of site compounds for railway installation works 21 Figure 5: Indicative construction programme 34 Figure 6: Business sector composition in Chiltern, Aylesbury Vale, and Wycombe Districts and the South East 195 Figure 7: Proportion of employment by industrial sector in Chiltern, Aylesbury Vale, and Wycombe Districts and the South East 196 List of tables Table 1: Estimated construction, demolition and excavation waste 33 Table 2: Operational waste forecast for the Proposed Scheme 38 Table 3: Summary characteristics of holdings 52 Table 4: Agricultural land required temporarily 55 Table 5: Summary of temporary construction effects on holdings 57 Table 6: Agricultural and forestry land required permanently 59 Table 7: Summary of permanent effects on holdings from construction 60 Table 8: Protected and/or notable species 105 Table 9: Summary of sensitive receptors 124 Table 10: Summary of baseline conceptual site models for sites that may pose a contaminative risk for the Proposed Scheme 127 Table 11: Summary of temporary (construction) effects 129 Table 12: Summary of permanent (post-construction) effects 131 Table 13: Train flows and speeds 208 Table 14: Direct adverse effects on residential communities and shared open areas that are considered significant on a community basis 211 iii CFA Report – Dunsmore, Wendover and Halton/No 10 | Contents Table 15: Likely significant noise or vibration effects on non-residential receptors arising from operation of the Proposed Scheme 212 Table 16: Typical vehicle trip generation for construction site compounds in this area 219 Table 17: Surface water features potentially affected by the Proposed Scheme 229 Table 18: Summary of geology and hydrogeology in the study area 231 iv CFA Report – Dunsmore, Wendover and Halton / No 10 | Structure 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 ES and the Proposed Scheme - This describes High Speed Two (HS2), and the environmental impact assessment process, the approach to consultation and engagement, details of the permanent features and generic construction techniques as well as a summary of main strategic and route-wide alternatives and local alternatives (prior to 2012) considered; Volume 2: Community forum area reports and map books - 26 reports and associated map books providing a description of the scheme and of environmental effects in each area; Volume 3: Route-wide effects - provides an assessment of the effects of the Proposed Scheme where it is not practicable to describe them within the CFA descriptions in Volume 2; Volume 4: Off-route effects - provides an assessment of the off-route effects of the Proposed Scheme; Volume 5: Appendices and map books – contains supporting environmental information and associated map books; and Glossary of terms and list of abbreviations – contains terms and abbreviations, including units of measurement, used throughout the ES documentation. v CFA Report – Dunsmore, Wendover and Halton/No 10 | Structure vi CFA Report – Dunsmore, Wendover and Halton/No 10 | Introduction 1 Introduction 1.1 Introduction to HS2 1.1.1 High Speed Two (HS2) is a new high speed railway proposed by the Government to connect major cities in Britain. Stations in London, Birmingham, Leeds, Manchester, South Yorkshire and the East Midlands will be served by high speed trains running at speeds of up to 360kph (225mph). 1.1.2 HS2 is proposed to be built in two phases. Phase One, the subject of this ES, will involve the construction of a new railway line of approximately 230km (143 miles) between London and Birmingham. Construction will begin in 2017 and the line will become operational by 2026; with a connection to the West Coast Main Line (WCML) near Lichfield and to the existing HS1 railway line in London. 1.1.3 During Phase One beyond the dedicated high speed track, high speed trains will connect with and run on the existing WCML to serve passengers beyond the HS2 network to destinations in the north. A connection to HS1 will also allow some services to access that high speed line through east London and Kent and connect with mainland Europe via the Channel Tunnel. 1.1.4 Phase Two will involve the construction of lines from Birmingham to Leeds and Manchester; with construction commencing approximately 2023, and planned to be operational by 2033. 1.1.5 Section 4 of Volume 1 describes the anticipated operational characteristics of HS2, including the anticipated frequency of train services. As Volume 1 shows, the frequency of trains is expected to increase over time and to increase further upon opening of Phase Two. In assessing the environmental effects of the Proposed Scheme the anticipated Phase 2 operational frequency has been used. For further detail of the anticipated operation of the Proposed Scheme in the Ladbroke and Southam area (CFA16), see Section 2.4.