Lewis Wave Power Limited 40MW Oyster Wave Array North West Coast, Isle of Lewis Environmental Statement Volume 1: Non-Technical Summary; and Volume 2: Environmental Statement March 2012 40MW Lewis Wave Array Environmental Statement 40MW LEWIS WAVE ARRAY: ENVIRONMENTAL STATEMENT VOLUME 1 AND 2 OF 3: NON-TECHNICAL SUMMARY AND ENVIRONMENTAL STATEMENT TABLE OF CONTENTS The following Non-Technical Summary and Environmental Statement constitutes Volume 1 and 2 of the 40MW Lewis Wave Array Environmental Statement. It is supported by Volume 3: Technical Appendices. Section Appendix Title Chapter Page Number Non-Technical Summary 1 to 14 i to v Acronyms i to iii Glossary 1 Introduction 1 1 1.2 Background 1 1 1.3 Brief description of the development site and its setting 1 1 1.4 The development 1 1 1.5 Renewable energy targets 1 2 1.6 Scotland’s wave resource 1 3 1.7 Benefits in reduced emissions of carbon dioxide 1 3 1.8 Planning policy context 1 3 1.9 Environmental Statement (ES) structure 1 3 1.10 Project team 1 3 2 Scoping and assessment methodology 2 1 2.1 Introduction 2 1 2.2 General approach 2 1 2.3 Approach to Rochdale Envelope 2 2 2.4 EIA methodology 2 3 2.5 Assessment methodology 2 4 2.7 Scoping and consultation 2 6 2.8 Key issues 2 6 2.9 ES composition 2 7 2.10 Structure of technical chapters 2 9 2.11 Effect assessment and mitigation 2 9 2.12 Significance criteria 2 10 2.13 Cumulative effects 2 12 Page 1 of 7 Environmental Statement: Table of Contents 40MW Lewis Wave Array Environmental Statement Section Appendix Title Chapter Page Number 2.14 Assumptions and limitations 2 13 2.15 Project Team 2 13 3 Consultation 3 1 3.1 Introduction 3 1 3.2 Lewis Wave Power Consultation Strategy 3 1 3.3 Key Project Development Stages 3 2 3.4 Community Consultation 3 3 Government Local Authority and Environmental Groups 3.5 3 7 Consultation 3.6 Landowner consultation 3 9 3.7 Commercial fisheries consultation 3 10 3.8 Other Consultation 3 11 4 Site selection 4 1 4.1 Introduction 4 1 4.2 Location selection 4 1 4.3 Area of search 4 2 4.4 Detailed site selection 4 2 4.5 Development of wave energy convertor technology 4 6 4.6 Onshore site location 4 5 4.7 Mitigation through site selection and layout Iteration 4 5 5 Project description 5 1 5.1 Introduction 5 1 5.2 Site description 5 4 5.3 Project Details 5 4 5.4 Site design and layout 5 7 5.5 Installation methodology 5 13 5.6 Commissioning 5 20 5.7 Operation 5 21 5.8 Footprint of the development 5 25 5.9 Health, Safety and Environmental Management 5 27 6 Regulatory and policy context 6 1 6.1 Introduction 6 1 6.2 Policy context for energy generation 6 1 6.3 Marine and terrestrial planning in Scotland 6 4 6.4 Consents and licensing 6 7 Page 2 of 7 Environmental Statement: Table of Contents 40MW Lewis Wave Array Environmental Statement Section Appendix Title Chapter Page Number 6.5 Conservation Regulations 6 8 6.6 Development plans. 6 9 6.7 Summary 6 12 7 Physical environment and coastal processes 7 1 7.1 Introduction 7 1 Summary of assessment on physical environment and 7.2 7 1 coastal processes 7.3 Potential effects 7 1 7.4 Methodology 7 2 7.5 Existing environment 7 8 7.6 Impact assessment 7 16 7.7 Conclusions 7 25 8 Soils, hydrology and hydrogeology 8 1 8.1 Introduction 8 1 Summary of assessment on soils, hydrology and 8.2 8 1 hydrogeology 8.3 Potential effects 8 2 8.4 Methodology 8 2 8.5 Existing environment 8 8 8.6 Impact assessment 8 12 8.7 Conclusions 8 21 9 Benthic ecology 9 1 9.1 Introduction 9 1 9.2 Summary assessment of impacts on benthic ecology 9 1 9.3 Potential impacts 9 1 9.4 Methodology 9 2 9.5 Existing environment 9 6 9.6 Impact assessment 9 10 9.7 Conclusions 9 14 10 Ornithology 10 1 10.1 Introduction 10 1 10.2 Summary of assessment 10 1 10.3 Potential impacts 10 1 10.4 Methodology 10 2 10.5 Existing environment 10 11 Page 3 of 7 Environmental Statement: Table of Contents 40MW Lewis Wave Array Environmental Statement Section Appendix Title Chapter Page Number 10.6 Impact assessment 10 30 10.7 Conclusions 10 38 11 Marine Mammals and Basking sharks 11 1 11.1 Introduction 11 1 11.2 Summary of assessment on marine mammals 11 1 11.3 Potential impacts 11 3 11.4 Methodology 11 3 11.5 Existing environment 11 9 11.6 Impact assessment 11 17 11.7 Conclusions 11 27 12 Fish and shellfish 12 1 12.1 Introduction 12 1 12.2 Summary of impacts assessment on fish and shellfish 12 1 12.3 Potential effects 12 1 12.4 Methodology 12 2 12.5 Existing environment 12 7 12.6 Impact assessment 12 30 12.7 Conclusions 12 39 13 Terrestrial and intertidal ecology 13 1 13.1 Introduction 13 1 13.2 Summary of assessment on terrestrial and intertidal ecology 13 1 13.3 Potential effects 13 2 13.4 Methodology 13 2 13.5 Existing environment 13 12 13.6 Impact assessment 13 23 13.7 Conclusions 13 35 14 Seascape, landscape and visual impact Assessment 14 1 14.1 Introduction 14 1 14.2 Summary of assessment 14 1 14.3 Potential effects 14 1 14.4 Methodology 14 3 14.5 Guidelines and Policy Framework 14 8 14.6 Existing environment 14 9 14.7 Seascape/landscape impact assessment 14 10 Page 4 of 7 Environmental Statement: Table of Contents 40MW Lewis Wave Array Environmental Statement Section Appendix Title Chapter Page Number 14.8 Assessment of visual impacts 14 13 14.9 Cumulative impacts 14 18 14.9 Mitigation 14 20 14.10 Conclusions 14 20 15 Shipping and navigation 15 1 15.1 Introduction 15 1 15.2 Summary of assessment on shipping and navigation 15 1 15.3 Potential effects 15 1 15.4 Methodology 15 2 15.5 Existing environment 15 7 15.6 Impact assessment 15 15 15.7 Conclusions 15 23 16 Commercial fisheries 16 1 16.1 Introduction 16 1 16.2 Summary of assessment on commercial fisheries 16 1 16.3 Potential effects 16 1 16.4 Methodology 16 2 16.5 Existing environment 16 6 16.6 Impact assessment 16 16 16.7 Conclusions 16 24 17 Traffic and transport 17 1 17.1 Introduction 17 1 17.2 Summary of assessment on traffic and transport 17 1 17.3 Potential impacts 17 1 17.4 Methodology 17 1 17.5 Existing environment 17 5 17.6 Impact assessment 17 7 17.7 Conclusions 17 13 18 Archaeology and cultural heritage 18 1 18.1 Introduction 18 1 18.2 Summary of assessment on cultural heritage resources 18 1 18.3 Potential impacts 18 1 18.4 Methodology 18 2 18.5 Existing environment 18 8 18.6 Impact assessment 18 9 Page 5 of 7 Environmental Statement: Table of Contents 40MW Lewis Wave Array Environmental Statement Section Appendix Title Chapter Page Number 18.7 Conclusions 18 13 19 Onshore noise 19 1 19.1 Introduction 19 1 19.2 Summary of assessment on onshore noise 19 1 19.3 Potential effects 19 1 19.4 Methodology 19 2 19.5 Assessment of significance 19 4 19.6 Baseline description 19 8 19.7 Existing environment 19 8 19.8 Impact assessment 19 9 19.9 Conclusions 19 12 20 Water Quality 20 1 20.1 Introduction 20 1 20.2 Summary of assessment 20 1 20.3 Potential effects 20 1 20.4 Methodology 20 2 20.5 Existing environment 20 6 20.6 Impact assessment 20 7 20.7 Conclusions 20 11 21 Socio-economics / local community 21 1 21.1 Introduction 21 1 Summary of assessment on socio-economics and local 21.2 21 1 community 21.3 Potential Impacts 21 1 21.4 Methodology 21 1 21.5 Existing environment 21 5 21.6 Impact assessment 21 8 21.7 Conclusions 21 12 22 Tourism and recreation 22 1 22.1 Introduction 22 1 22.2 Summary of assessment 22 1 22.3 Potential impacts 22 1 22.4 Methodology 22 2 22.5 Existing environment 22 6 22.6 Impact assessment 22 10 Page 6 of 7 Environmental Statement: Table of Contents 40MW Lewis Wave Array Environmental Statement Section Appendix Title Chapter Page Number 22.7 Conclusions 22 15 Summary of impacts, mitigation, good practice and 23 23 1 monitoring 23.1 Introduction 23 1 23.2 Summary of impacts 23 1 23.3 Mitigation measures 23 15 23.4 Additional monitoring and good practice measures 23 25 23.5 Deploy and monitor 23 27 23.6 Management 23 28 23.7 Conclusions 23 29 24 References 24 1 Page 7 of 7 Environmental Statement: Table of Contents 40MW Lewis Wave Array Environmental Statement ACRONYMS Abbreviation Full Name AA Appropriate Assessment AfL Agreement for Lease ALARP As Low as Reasonable Practicable AOD Above Ordnance Datum ASCOBANS Agreement on Conservation of Small Cetaceans of the Baltic and North Seas ASFB Association of Salmon Fisheries Boards BATNEEC Best Available Technology Not Entailing Excessive Costs BBPP Breeding Bird Protection Plan BoCC Birds of Conservation Concern BS British Standards CA Cruising Association CAR Controlled Activities and Regulations CD Chart Datum CDM Construction Design Management CEFAS Centre for Environment Fisheries and Aquaculture Studies CEMP Construction Environmental Management Plan CIRIA Construction Industry Research and Information Association CNES Comhairle nan Eilean Siar COWRIE Collaborative Offshore Wind Research Into The Environment CRTN Calculation of Road Traffic Noise CWS Countryside Wildlife Status dB Decibel DECC Department for Energy and Climate Change DMRB Design Manual for Roads and Bridges DOC Dissolved Organic Carbon DWR Deep Water Route EIA Environmental Impact Assessment EMEC European Marine Energy Centre EMP Environmental Management Plan EPS European Protected Species Page i of v Acronyms 40MW Lewis Wave Array Environmental Statement Abbreviation Full Name EQS Environmental Quality Standards ERCoP Emergency Response Cooperation Plan ES Environmental Statement EU ETS European Union Emissions Trading System FCE Forestry Civil Engineering FCS Forestry Commission Scotland FRP Fibre Reinforced Polymer GIS Geographical Information Systems GLVIA Guidelines for Landscape and Visual Impact