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CONTENTS |
1 INTRODUCTION...................................................................................................... 1-1 1.1 General........................................................................................................... 1-1 1.2 Description of Project.................................................................................... 1-1 1.3 Environment Impact Assessment.................................................................. 1-3 1.4 Structure of the EIA Report........................................................................... 1-5 1.5 Abbreviations................................................................................................. 1-6 2 CONSIDERATION OF ALTERNATIVES................................................................ 2-1 2.1 Introduction.................................................................................................... 2-1 2.2 Alignment Option Review and Selection...................................................... 2-1 2.3 Evaluation Methodology............................................................................... 2-9 2.4 Alignment Options and Scenarios............................................................... 2-11 2.5 Option Assessment...................................................................................... 2-21 2.6 Construction Alternatives............................................................................ 2-50 3 PROJECT
DESCRIPTION......................................................................................... 3-1 3.1 Scope of the Project....................................................................................... 3-1 3.2 South Apron................................................................................................... 3-1 3.3 Subsea Tunnel Alignment............................................................................. 3-6 3.4 Cha Kwo Ling................................................................................................ 3-8 3.5 Works Areas.................................................................................................. 3-9 3.6 Barging Point............................................................................................... 3-11 3.7 Slope Works................................................................................................. 3-11 3.8 Sewage and Drainage................................................................................... 3-11 3.9 Project Programme...................................................................................... 3-12
3.10 Concurrent Projects..................................................................................... 3-14 3.11 Traffic Data and Assumptions..................................................................... 3-16 3.12 Environmental Conditions in the Absence of the Project and Environmental Benefits........................................................................................................ 3-16 3.13 Designated Projects Under the EIAO.......................................................... 3-17 4.1 Introduction.................................................................................................... 4-1 4.2 Environmental Legislation, Standards and Guidelines................................. 4-1 4.3 Existing Environment.................................................................................... 4-3 4.4 Identification of Air Sensitive Receivers...................................................... 4-5 4.5 Identification of Potential Air Quality Impacts............................................ 4-8 4.6 Concurrent Projects..................................................................................... 4-13 4.7 Construction Phase Assessment Methodology........................................... 4-19 4.8 Operational Phase Assessment Methodology............................................. 4-25 4.9 Construction Air Quality Assessment......................................................... 4-40 4.10 Operational Air Quality Assessment........................................................... 4-46 4.11 Environmental Monitoring and Audit......................................................... 4-55 4.12 Summary and Conclusions.......................................................................... 4-55 5.1 Introduction.................................................................................................... 5-1 5.2 Environmental Legislation, Standards and Guidelines................................. 5-1 5.3 Existing Environment.................................................................................... 5-6 5.4 Noise Sensitive Receivers............................................................................. 5-6 5.5 Identification of Potential Noise Impacts................................................... 5-14 5.6 Concurrent Projects..................................................................................... 5-17 5.7 Construction Phase Assessment Methodology........................................... 5-21 5.8 Operation Phase Assessment Methodology................................................ 5-30 5.9 Construction Airborne Noise Impact Assessment...................................... 5-32 5.10 Construction Ground-borne Noise Impact Assessment.............................. 5-37 5.11 Operational Fixed Plant Noise Impact Assessment.................................... 5-38 5.12 Operational Traffic Noise Impact Assessment........................................... 5-39 5.13 Environmental Monitoring and Audit......................................................... 5-42 5.14 Summary and Conclusions.......................................................................... 5-42 6 WATER QUALITY................................................................................................... 6-1 6.1 Introduction.................................................................................................... 6-1 6.2 Environmental Legislation, Standards and Guidelines................................. 6-1 6.3 Existing Environment.................................................................................... 6-7 6.4 Construction Phase Impact Assessment...................................................... 6-11 6.5 Operational Phase Impact Assessment........................................................ 6-23 6.6 Residual Impacts.......................................................................................... 6-27 6.7 Cumulative Impacts..................................................................................... 6-28 6.8 Environmental Monitoring and Audit......................................................... 6-29 6.9 Summary and Conclusions.......................................................................... 6-29 6.10 References.................................................................................................... 6-30 7.1 Introduction.................................................................................................... 7-1 7.2 Environmental Legislation, Standards and Guidelines................................. 7-2 7.3 Key Ecological Sensitive Receivers.............................................................. 7-3 7.4 Literature Review.......................................................................................... 7-4 7.5 Evaluation of Ecological Importance.......................................................... 7-11 7.6 Ecological Impact Assessment Methodology............................................. 7-15 7.7 Construction Phase Impact Assessment...................................................... 7-16 7.8 Operational Phase Impact Assessment........................................................ 7-19 7.9 Mitigation Measures.................................................................................... 7-20 7.10 Residual Impacts.......................................................................................... 7-22 7.11 Cumulative Impacts..................................................................................... 7-23 7.12 Ecological Monitoring and Audit Requirements........................................ 7-24 7.13 Summary and Conclusions.......................................................................... 7-24 7.14 References.................................................................................................... 7-24 8.1 Introduction.................................................................................................... 8-1 8.2 Environmental Legislation, Standards and Guidelines................................. 8-1 8.3 Assessment Methodology.............................................................................. 8-3 8.4 Baseline Conditions....................................................................................... 8-4 8.5 Impact Assessment........................................................................................ 8-7 8.6 Cumulative Impacts..................................................................................... 8-13 8.7 Mitigation Measures.................................................................................... 8-16 8.8 Residual Impacts.......................................................................................... 8-16 8.9 Environmental Monitoring and Audit......................................................... 8-16 8.10 Summary and Conclusions.......................................................................... 8-16 8.11 References.................................................................................................... 8-17 9.1 Introduction.................................................................................................... 9-1 9.2 Environmental Legislation, Standards
and Guidelines................................. 9-2 9.3 Assessment Methodology.............................................................................. 9-4 9.4 Scope and Content of the Study.................................................................. 9-11 9.5 Review of Planning and Development Control Framework....................... 9-12 9.6 Baseline Study............................................................................................. 9-14 9.7 Landscape Impact Assessment.................................................................... 9-66 9.8 Visual Impact Assessment........................................................................... 9-74 9.9 Mitigation Measures.................................................................................. 9-143 9.10 Environmental Monitoring & Audit Requirement................................... 9-145 9.11 Residual Impact......................................................................................... 9-145 9.12 Cumulative Landscape & Visual
Impacts................................................. 9-164 9.13 Summary and Conclusions........................................................................ 9-165 10.1 Introduction.................................................................................................. 10-1 10.2 Environmental Legislation, Standards and Guidelines............................... 10-1 10.3 Objectives of the Cultural Heritage Impact Assessment............................ 10-4 10.4 Assessment Methodology............................................................................ 10-4 10.5 Terrestrial Archaeology Impact Assessment.............................................. 10-9 10.6 Built Heritage Impact Assessment............................................................ 10-14 10.7 Marine Archaeology Impact Assessment.................................................. 10-20 10.8 Mitigation Measures.................................................................................. 10-25 10.9 Cumulative Impacts................................................................................... 10-25 10.10 Residual Impacts........................................................................................ 10-25 10.11 Environmental Monitoring and Audit Requirements............................... 10-26 10.12 Summary and Conclusions........................................................................ 10-26 10.13 References.................................................................................................. 10-26 11 WASTE
MANAGEMENT AND LAND CONTAMINATION............................... 11-1 11.1 Introduction.................................................................................................. 11-1 11.2 Environmental Legislation, Guidelines and Standards............................... 11-1 11.3 Assessment Methodology............................................................................ 11-8 11.4 Construction Phase Waste Management Assessment............................... 11-13 11.5 Land Contamination Assessment.............................................................. 11-32 11.6 Summary and Conclusions........................................................................ 11-37 12 ENVIRONMENTAL MONITORING AND AUDIT............................................... 12-1 12.1 Introduction.................................................................................................. 12-1 12.2 EM&A Requirements.................................................................................. 12-2 12.3 Air Quality................................................................................................... 12-2 12.4 Noise............................................................................................................ 12-3 12.5 Water Quality.............................................................................................. 12-3 12.6 Marine Ecology........................................................................................... 12-3 12.7 Fisheries....................................................................................................... 12-4 12.8 Landscape and Visual.................................................................................. 12-4 12.9 Cultural Heritage......................................................................................... 12-4 12.10 Waste Management and Land
Contamination........................................... 12-4 13 SUMMARY OF ENVIRONMENTAL IMPACTS AND
OUTCOMES 13.1 Introduction.................................................................................................. 13-1 |