Addendum to the Environmental Impact Assessment Scoping Report
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ENERGY WORKING FOR BRITAIN FOR WORKING ENERGY Wylfa Newydd Project Addendum to the Environmental Impact Assessment Scoping Report WYLFA NEWYDD PROJECT DCO Scoping Report Addendum © Horizon Nuclear Power Wylfa Limited Wylfa Newydd Project Scoping Report Addendum Ch 1-7 - DCO Scoping Report Addendum [This page is intentionally blank] © Horizon Nuclear Power Wylfa Limited Contents 1. Introduction ....................................................................................................................... 1 2. Regulatory and Policy Background ................................................................................. 11 3. Project Description .......................................................................................................... 15 4. Consideration of Alternatives .......................................................................................... 35 5. Consultation .................................................................................................................... 39 6. Scoping ........................................................................................................................... 43 7. Approach to EIA .............................................................................................................. 47 8. Air Quality ....................................................................................................................... 49 9. Noise and Vibration ......................................................................................................... 57 10. Landscape and Visual ..................................................................................................... 65 11. Terrestrial and Freshwater Ecology ................................................................................ 77 12. Radiological Issues ......................................................................................................... 91 13. Soils and Geology ........................................................................................................... 95 14. Surface Water and Groundwater .................................................................................. 103 15. Coastal Processes and Coastal Geomorphology .......................................................... 115 16. The Marine Environment ............................................................................................... 117 17. Archaeology and Cultural Heritage ............................................................................... 121 18. Socio-Economics .......................................................................................................... 129 19. Public Access and Recreation ...................................................................................... 135 20. Traffic and Transport ..................................................................................................... 141 21. Waste and Materials ..................................................................................................... 143 22. Cumulative Effects ........................................................................................................ 151 23. Glossary of Technical Terms and Abbreviations ........................................................... 153 24. References.................................................................................................................... 183 List of Tables Table 3.1 Changes to Power Station Site ............................................................................. 15 Table 6.1 Proposed issues to be scoped out/in based on feedback in the 2016 Scoping Opinion .................................................................................................................................. 44 Table 6.2 Scoping matrix for the proposed Associated Development ................................... 45 Table 8.1 Summary of baseline information .......................................................................... 53 Table 9.1 Noise and Vibration Receptors .............................................................................. 59 Table 9.2 Summary of baseline information .......................................................................... 60 © Horizon Nuclear Power Wylfa Limited Page i of iii Table 10.1 Summary of baseline information ........................................................................ 67 Table 11.1 Studies undertaken to inform baseline ................................................................ 79 Table 11.2 Summary of baseline information ........................................................................ 82 Table 12.1 Dose levels in UK legislation/guidance ............................................................... 93 Table 13.1 Summary of baseline information ........................................................................ 97 Table 14.1 Summary of baseline information ...................................................................... 106 Table 17.1 Summary of studies undertaken to establish baseline information .................... 123 Table 17.2 Summary of baseline information ...................................................................... 123 Table 18.1 Summary of baseline information ...................................................................... 132 Table 21.1 Landfill capacity in Wales, North Wales and North-west England ..................... 144 Table 21.2 Quantity of waste treated in Wales, North Wales and North-west England ....... 145 Table 21.3 Incinerator permitted capacity in Wales, North Wales 2013 and North-west England ............................................................................................................................... 146 Table 21.4 Additional treatment capacity in North Wales .................................................... 146 Table 21.5 Criteria for determining sensitivity ..................................................................... 149 Table 21.6 Criteria for determining the magnitude of change for topic receptors ................ 149 List of Figures Figure 1.1 Indicative location of developments to be consented through the application for development consent and TCPA ............................................................................................ 5 Figure 3.1 Indicative layout of Power Station Site ................................................................. 17 Figure 3.2 Indicative location of the Off-Site Power Station Facilities ................................... 18 Figure 3.3 Indicative location of the Logistics Centre ............................................................ 21 Figure 3.4 Indicative location of the Park and Ride facility .................................................... 25 Figure 3.5 a-d Indicative Off-line A5025 Highway Improvements ......................................... 29 List of Appendices Appendix A Marine Works Environmental Impact Assessment Scoping Report Appendix B Consultation Responses to 2016 Scoping Report Appendix C Environmental Constraints Plans for Associated Development © Horizon Nuclear Power Wylfa Limited Page ii of iii [This page is intentionally blank] © Horizon Nuclear Power Wylfa Limited Page iii of iii Wylfa Newydd Project Scoping Report Addendum Ch 1-7 - DCO Scoping Report Addendum 1 Introduction 1.1 Background to the Project and Addendum 1.1.1 Changes to Scope as a Result of Design Optimisation and Associated Development 1. Horizon is proposing to submit an application under the Planning Act 2008 for an order granting development consent (DCO) for a new Nuclear Power Station at Wylfa Peninsula on Anglesey, Wales. 2. As part of the evolving design of the Wylfa Newydd Project, a review has been undertaken to optimise the development with respect to cost, schedule, safety and environmental impact. As a result, a number of changes have been made to the proposals which were presented in the Wylfa Newydd Generating Station Environmental Impact Assessment Scoping Report (herein referred to as the ‘2016 Scoping Report’), submitted as part of the DCO process, on 15 March 2016. 3. At the time of the submission of the 2016 Scoping Report, proposals for various Associated Development facilities were being prepared for submission as separate planning applications under the Town and County Planning Act 1990 (TCPA). However, the Wales Act 2017 now makes provision for Associated Development to be incorporated into applications for development order consent in Wales. 4. The purpose of this addendum is to update the 2016 Scoping Report to reflect the revised proposals arising from the optimisation programme, as well as to provide additional Environmental Impact Assessment (EIA) scoping information for the Associated Development now proposed to be included as part of the application for development consent. 5. This addendum highlights the changes in environmental assessment scope currently proposed compared to those previously proposed in the 2016 Scoping Report. It does not replace the 2016 Scoping Report and should be read in conjunction with it. The 2016 Scoping Report can be found at: https://infrastructure.planninginspectorate.gov.uk/projects/wales/wylfa-newydd-nuclear- power-station/?ipcsection=docs. 1.1.2 Marine Works Environmental Impact Assessment Scoping Report 6. As part of the construction and operation of the Wylfa Newydd Power Station, certain marine works would be required. The works, which include construction of marine structures, dredging,