A27 Arundel Bypass Environmental Assessment Report
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A27 Arundel Bypass Environmental Assessment Report Appendix 1-1: South Downs National Park Special Quality Assessment 30 August 2019 SDNP Special Quality Assessment A27 Arundel Bypass – PCF Stage 2 Further Consultation Table of Contents 1 INTRODUCTION 1-1 1.1 Purpose of the report 1-1 1.2 Overview of the project 1-1 1.3 SDNP special qualities 1-2 1.4 Structure of the SDNP special qualities assessment report 1-3 1.5 Legislative and policy framework 1-4 1.6 Sub-regional and local planning policy 1-8 LIST OF TABLES Table 1-1 - SDNP special qualities assessment structure 1-3 2 ASSESSMENT METHODOLOGY 2-1 2.1 Introduction 2-1 2.2 Assessment process 2-1 2.3 Potential impacts 2-3 2.4 Guidance 2-4 2.5 Assessment results 2-12 2.6 Assumptions and limitations 2-13 LIST OF TABLES Table 2-1 - Types of impact associated with each special quality 2-4 Table 2-2 - Alignment between DMRB and the potential impacts identified 2-6 Table 2-3 - General assumptions and limitations 2-13 August 2019 SDNP Special Quality Assessment A27 Arundel Bypass – PCF Stage 2 Further Consultation 3 SPECIAL QUALITY 1: DIVERSE, INSPIRATIONAL LANDSCAPES AND BREATHTAKING VIEWS 3-1 3.1 Introduction 3-1 3.2 Assessment methodology 3-2 3.3 Assessment assumptions and limitations 3-5 3.4 Study Area 3-5 3.5 Baseline conditions 3-5 3.6 Scoping 3-5 3.7 Design, mitigation and enhancement 3-6 3.8 Assessment of potential impacts 3-9 3.9 Summary of landscape character, visual amenity and experience 3-18 LIST OF TABLES Table 3-1 - Assessment assumptions and limitations for SQ1 3-5 Table 3-2 - Scoping 3-6 Table 3-3 - Summary of Impacts and effects on SQ1 – Diverse, inspirational landscape and breathtaking views 3-23 4 SPECIAL QUALITY 2: A RICH VARIETY OF WILDLIFE AND HABITATS INCLUDING RARE AND INTERNATIONALLY IMPORTANT SPECIES 4-1 4.1 Introduction 4-1 4.2 Assessment methodology 4-4 4.3 Assessment assumptions and limitations 4-8 4.4 Study Area 4-9 4.5 Baseline conditions 4-10 4.6 Scoping 4-10 4.7 Design, mitigation and enhancement 4-47 4.8 Assessment of potential impacts 4-51 4.9 Summary 4-61 LIST OF TABLES Table 4-1 - Assessment assumptions and limitations for the Biodiversity Special Quality 4-8 Table 4-2 - Scoping 4-12 Table 4-3 - Review of features mentioned in SDNP special qualities report 4-46 Table 4-4 - Likely significant effects 4-62 August 2019 SDNP Special Quality Assessment A27 Arundel Bypass – PCF Stage 2 Further Consultation 5 SPECIAL QUALITY 3: TRANQUIL AND UNSPOILT PLACES 5-1 5.1 Introduction 5-1 5.2 Assessment methodology 5-1 5.3 Assessment assumptions and limitations 5-6 5.4 Study Area 5-8 5.5 Baseline conditions 5-8 5.6 Scoping 5-8 5.7 Design, mitigation and enhancement 5-10 5.8 Assessment of potential impacts 5-12 5.9 Summary 5-28 LIST OF TABLES Table 5-1 - Assessment assumptions and limitations for SQ3 5-7 Table 5-2 - Scoping 5-8 Table 5-3 - Magnitude of Operational Noise Impacts in the Short-Term 5-13 Table 5-4 - Magnitude of Operational Noise Impacts in the Long-Term 5-13 Table 5-5 - Biodiversity receptors in Option 1V5 5-14 Table 5-6 - Public rights of way in Option 1V5 5-14 Table 5-7 - Biodiversity receptors in Option 1V9 5-15 Table 5-8 - Public rights of way in Option 1V9 5-16 Table 5-9 - Biodiversity receptors in Option 3V1 5-17 Table 5-10 - Public rights of way in Option 3V1 5-17 Table 5-11 - Biodiversity receptors in Option 4/5AV1 5-18 Table 5-12 - Public rights of way in Option 4/5AV1 5-18 Table 5-13 - Biodiversity receptors in Option 4/5AV2 5-19 Table 5-14 - Public rights of way in Option 4/5AV2 5-20 Table 5-15 - Biodiversity receptors in Option 5BV1 5-21 Table 5-16 - Public rights of way in Option 5BV1 5-21 Table 5-17 - Summary of Noise and Dark Night Skies Impacts and effects on SQ3 5-31 August 2019 SDNP Special Quality Assessment A27 Arundel Bypass – PCF Stage 2 Further Consultation 6 SPECIAL QUALITY 4: AN ENVIRONMENT SHAPED BY CENTURIES OF FARMING AND EMBRACING NEW ENTERPRISE 6-1 6.1 Introduction 6-1 6.2 Assessment methodology 6-1 6.3 Assessment assumptions and limitations 6-5 6.4 Study Area 6-7 6.5 Baseline conditions 6-7 6.6 Scoping 6-13 6.7 Design, mitigation and enhancement 6-14 6.8 Assessment of potential impacts 6-17 6.9 Summary 6-25 LIST OF TABLES Table 6-1 - Reference and guidance documents for SQ4 6-4 Table 6-2 - Assessment assumptions and limitations for SQ4 6-5 Table 6-3 - Study Area for potential impact on SQ4 6-7 Table 6-4 - Potential land take from farm holdings for each Scheme option footprints (in hectares) 6-8 Table 6-5 - Potential land from diversified businesses within each option footprint (in hectares) 6-11 Table 6-6 - Six largest sectors by percentage of total enterprises in the SDNP in 2017 6-12 Table 6-7 - Scoping 6-13 Table 6-8 - Likely significant effects on SQ4 during construction 6-26 Table 6-9 - Likely significant effects on SQ4 during operation 6-27 7 SPECIAL QUALITY 5: GREAT OPPORTUNITIES FOR RECREATIONAL ACTIVITIES AND LEARNING EXPERIENCES 7-1 7.1 Introduction 7-1 7.2 Assessment Methodology 7-1 7.3 Assessment assumptions and limitations 7-7 7.4 Study Area 7-9 7.5 Baseline conditions 7-11 7.6 Scoping 7-27 7.7 Design, mitigation and enhancement 7-29 7.8 Assessment of potential impacts 7-33 7.9 Summary 7-57 August 2019 SDNP Special Quality Assessment A27 Arundel Bypass – PCF Stage 2 Further Consultation LIST OF TABLES Table 7-1 - Data sources and methodology for SQ5 7-5 Table 7-2 - Assessment assumptions and limitations for SQ5 7-7 Table 7-3 - Study Area for potential impact on the SQ5 7-10 Table 7-4 - Amenity values of public rights of way and key routes within the Study Area and the SDNP 7-12 Table 7-5 - Access to ANG within the SDNP within 300 metres 7-20 Table 7-6 - Access to regional scale ANG within the SDNP within 10 kilometres 7- 20 Table 7-7 - Recreational facilities and businesses crossed by the option footprints and potential land take required 7-25 Table 7-8 - Scoping 7-27 Table 7-9 - Likely significant effect on SQ5 during construction 7-58 Table 7-10 - Likely significant effect on SQ5 during operation 7-59 8 SPECIAL QUALITY 6: WELL-CONSERVED HISTORICAL FEATURES AND A RICH CULTURAL HERITAGE 8-1 8.1 Introduction 8-1 8.2 Assessment methodology 8-1 8.3 Assumptions and Limitations 8-7 8.4 Study Area 8-8 8.5 Baseline conditions 8-10 8.6 Scoping 8-12 8.7 Design, mitigation and enhancement 8-13 8.8 Assessment of potential impacts 8-17 8.9 Summary 8-31 LIST OF TABLES Table 8-2 - Methodology for SDNP Special Quality 6 8-5 Table 8-1 - Significance of Effects Matrix 8-6 Table 8-3 - Assessment assumptions and limitations for Cultural Heritage 8-7 Table 8-4 - Study Areas for potential impacts on SDNP Special Quality 6 8-9 Table 8-5 - Scoping 8-12 Table 8-6 - Likely significance of effects on SQ6 8-32 August 2019 SDNP Special Quality Assessment A27 Arundel Bypass – PCF Stage 2 Further Consultation 9 SPECIAL QUALITY 7: DISTINCTIVE TOWNS AND VILLAGES, AND COMMUNITIES WITH REAL PRIDE IN THEIR AREA 9-1 9.1 Introduction 9-1 9.2 Assessment methodology 9-1 9.3 Assessment assumptions and limitations 9-5 9.4 Study Area 9-6 9.5 Baseline conditions 9-7 9.6 Scoping 9-16 9.7 Design, mitigation and enhancement 9-17 9.8 Assessment of potential impacts 9-19 9.9 Summary 9-41 LIST OF TABLES Table 9-1 - Methodology and reference documents for SQ7 9-4 Table 9-2 - Assessment assumptions and limitations for SQ7 9-5 Table 9-3 - Study Areas for potential impact on the SQ7 9-6 Table 9-4 - Scoping 9-16 Table 9-5 - Likely effects on SQ7 during construction 9-42 Table 9-6 - Likely effects on SQ7 during operation 9-43 10 SUMMARY 10-1 LIST OF TABLES Table 10-1 – Summary of the special qualities assessment 10-2 August 2019 SDNP Special Quality Assessment A27 Arundel Bypass – PCF Stage 2 Further Consultation LIST OF FIGURES Figure 1-1 - Scheme location Figure 5-1 - Option 1V5 – Short term noise impact contours Figure 5-2 - Option 1V5 – Long term noise impact contours Figure 5-3 - Option 1V9 – Short term noise impact contours Figure 5-4 - Option 1V9 – Long term noise impact contours Figure 5-5 - Option 3V1 – Short term noise impact contours Figure 5-6 - Option 3V1 – Long term noise impact contours Figure 5-7 - Option 4/5AV1 – Short term noise impact contours Figure 5-8 - Option 4/5AV1 – Long term noise impact contours Figure 5-9 - Option 4/5AV2 – Short term noise impact contours Figure 5-10 - Option 4/5AV2 – Long term noise impact contours Figure 5-11 - Option 5BV1 – Short term noise impact contours Figure 5-12 - Option 5BV1 – Long term noise impact contours Figure 6-1 - Farm holdings Figure 8-1 - Non-designated heritage asset location and old Binsted village parish boundary Figure 8-2 - Designated heritage asset location and old Binsted village parish boundary LIST OF APPENDICES Appendix A - SDNPA Position on A27 Route Corridor Appendix B - Special Quality 7 Additional Information - Section 1: Driver stress calculations - Section 2: Sites listed under parish council neighbourhood plans August 2019 SDNP Special Quality Assessment Chapter 1: Introduction A27 Arundel Bypass – PCF Stage 2 Further Consultation 1 Introduction 1.1 Purpose of the report 1.1.1.1 The purpose of this report is to provide an assessment of the impacts of the A27 Arundel Bypass (‘the Scheme’) on the special qualities of South Downs National Park (SDNP).