Agreement No. CE 29/2008(EP)

Engineering Investigation and Environmental

Studies for Integrated Waste Management Facilities

Phase 1 – Feasibility Study

Integrated Waste Management Facilities

Environmental Impact Assessment Report

CONTENTS

VOLUME 1: MAIN TEXT

Table of Content

1............ INTRODUCTION

1.1.......... Background

1.2.......... Assessment Scenarios

1.2.1....... Introduction

1.2.2....... Noise Impact

1.2.3....... Water Quality Impact

1.2.4....... Waste Management Implication

1.2.5....... Ecological Impact

1.2.6....... Fisheries Impact

1.2.7....... Landscape and Visual Impact

1.2.8....... Impact on Cultural Heritage

1.2.9....... Landfill Gas Hazards Assessment

1.3.......... Objectives of this EIA Study

1.4.......... Structure of the Report

2............ PROJECT DESCRIPTION

2.1.......... Need for the Project

2.2.......... Site Selection

2.2.1....... Identification of Potential Sites

2.2.2....... Site Selection Criteria

2.2.3....... Evaluation of Shortlisted Sites

2.2.4....... Recommendation

2.3.......... Technology Selection

2.3.1....... Identification of Potential Technologies

2.3.2....... Technology Evaluation Criteria

2.3.3....... Evaluation of Thermal Treatment Technologies

2.3.4....... Evaluation of Sorting and Recycling Technologies

2.3.5....... Recommendation

2.4.......... Scope of the Project

2.4.1....... Site Location

2.4.2....... Project Facilities

2.4.3....... Construction of the IWMF

2.4.4....... Operation of the IWMF

2.4.5....... Construction Programme

2.5.......... Consideration of Alternatives

2.5.1....... Introduction

2.5.2....... Treatment Capacity

2.5.3....... Stack Height

2.5.4....... Layout Arrangement

2.5.5....... Construction Sequences

2.5.6....... Construction Methods

2.5.7....... Cooling System

2.6.......... Interfaces with Other Projects

2.6.1....... Tsang Tsui Ash Lagoon

2.6.2....... Artificial Island near SKC

2.7.......... Assessment Areas of the EIA Study

3a.......... AIR QUALITY IMPACT (TTAL Site)

3a.1........ Introduction

3a.2........ Environmental Legislation, Policies, Plans, Standards and Criteria

3a.2.2..... Air Quality Objectives and EIAO-TM

3a.2.3..... Air Pollution Control (Construction Dust) Regulation

3a.3........ Description of the Environment

3a.4........ Air Sensitive Receivers

3a.4.1..... General

3a.4.2..... ASRs for Gaseous Pollutants Impact Assessment

3a.4.3..... ASRs for Odour Impact Assessment

3a.5........ Identification of Pollution Sources

3a.5.1..... Construction Phase

3a.5.2..... Operation Phase - Gaseous Pollutants

3a.5.3..... Operation Phase - Odour Impacts

3a.6........ Assessment Methodology

3a.6.1..... Construction Phase

3a.6.2..... Operation Phase - Gaseous Pollutants

3a.6.3..... Operation Phase - Odour Impacts

3a.7........ Prediction and Evaluation of Environmental Impacts

3a.7.1..... Construction Phase

3a.7.2..... Operation Phase - Gaseous Pollutants

3a.7.3..... Operation Phase - Odour Impacts

3a.8........ Mitigation Measures

3a.8.1..... Construction Phase

3a.8.2..... Operation Phase

3a.9........ Residual Environmental Impact

3a.9.1..... Construction Phase

3a.9.2..... Operation Phase

3a.10...... Environmental Monitoring and Audit Requirements

3a.10.1... Construction Phase

3a.10.2... Operation Phase

3a.11...... Conclusion

3a.11.1... Construction Phase

3a.11.2... Operation Phase

3b.......... AIR QUALITY IMPACT (Artificial Island near SKC)

3b.1........ Introduction

3b.2........ Environmental Legislation, Policies, Plans, Standards and Criteria

3b.2.1..... Introduction

3b.2.2..... Air Quality Objectives and EIAO-TM

3b.2.3..... Air Pollution Control (Construction Dust) Regulation

3b.3........ Description of the Environment

3b.4........ Air Sensitive Receivers

3b.4.1..... General

3b.4.2..... ASRs for Gaseous Pollutants Impact Assessment

3b.4.3..... ASRs for Odour Impact Assessment

3b.5........ Identification of Pollution Sources

3b.5.1..... Construction Phase

3b.5.2..... Operation Phase - Gaseous Pollutants

3b.5.3..... Operation Phase - Odour Impacts

3b.6........ Assessment Methodology

3b.6.1..... Construction Phase

3b.6.2..... Operation Phase - Gaseous Pollutants

3b.6.3..... Operation Phase - Odour Impacts

3b.7........ Prediction and Evaluation of Environmental Impacts

3b.7.1..... Construction Phase

3b.7.2..... Operation Phase - Gaseous Pollutants

3b.7.3..... Operation Phase - Odour Impacts

3b.8........ Mitigation Measures

3b.8.1..... Construction Phase

3b.8.2..... Operation Phase

3b.9........ Residual Environmental Impact

3b.9.1..... Construction Phase

3b.9.2..... Operation Phase

3b.10...... Environmental Monitoring and Audit Requirements

3b.10.1... Construction Phase

3b.10.2... Operation Phase

3b.11...... Conclusion

3b.11.1... Construction Phase

3b.11.2... Operation Phase

3c........... AIR QUALITY IMPACT (Co-Exist Scenario)

3c.1........ Introduction

3c.2........ Prediction and Evaluation of Environmental Impacts

3c.2.1..... Operation Phase - Gaseous Pollutants

3c.3........ Mitigation Measures

3c.3.1..... Operation Phase - Gaseous Pollutants

3c.4........ Residual Environmental Impact

3c.4.1..... Operation Phase - Gaseous Pollutants

3c.5........ Environmental Monitoring and Audit Requirements

3c.5.1..... Operation Phase - Gaseous Pollutants

3c.6........ Conclusion

3c.6.1..... Operation Phase - Gaseous Pollutants

..............

4a.......... NOISE IMPACT (TTAL Site)

4a.1........ Introduction

4a.2........ Environmental Legislation, Policies, Plans, Standards and Criteria

4a.2.1..... Traffic Noise Criteria under Environmental Impact Assessment Ordinance

4a.3........ Assessment Area

4a.4........ Existing and Planned Sensitive Receivers

4a.5........ Assessment Methodology

4a.6........ Evaluation of Potential Traffic Noise Impact

4a.7........ Conclusion

4b.......... NOISE IMPACT (Artificial Island near SKC)

4b.1........ Introduction

4b.2........ Environmental Legislation, Policies, Plans, Standards and Criteria

4b.2.1..... General

4b.2.2..... Construction Noise - General Construction

4b.2.3..... Operation Phase

4b.3........ Description of the Environment

4b.4........ Noise Sensitive Receivers

4b.5........ Assessment Methodology

4b.5.1..... Construction Noise during Unrestricted Hours

4b.5.2..... Operation Phase

4b.6........ Identification of Environmental Impacts

4b.6.1..... Construction Phase

4b.6.2..... Operation Phase

4b.7........ Prediction and Evaluation of Environmental Impacts

4b.7.1..... Construction Phase

4b.7.2..... Operation Phase

4b.8........ Mitigation of Environmental Impacts

4b.8.1..... Construction Phase

4b.8.2..... Operation Phase

4b.9........ Evaluation of Residual Impacts

4b.10...... Environmental Monitoring and Audit

4b.10.1... Construction Phase

4b.10.2... Operation Phase

4b.11...... Conclusion

4b.11.1... Construction Phase

4b.11.2... Operation Phase

5a.......... WATER QUALITY IMPACT (TTAL Site)

5a.1........ Introduction

5a.2........ Environmental Legislation, Standards and Guidelines

5a.2.1..... Environmental Impact Assessment Ordinance (EIAO)

5a.2.2..... Water Pollution Control Ordinance (WPCO)

5a.2.3..... Technical Memorandum on Effluents Discharge Standard

5a.2.4..... Practice Notes

5a.3........ Description of the Environment

5a.3.1..... Inland Waters

5a.3.2..... Marine Water

5a.4........ Water Sensitive Receivers

5a.5........ Assessment Methodology

5a.6........ Identification of Environmental Impacts

5a.6.1..... Construction Phase

5a.6.2..... Operation Phase

5a.7........ Prediction and Evaluation of Environmental Impact

5a.7.1..... Construction Phase

5a.7.2..... Operation Phase

5a.8........ Mitigation Measures

5a.8.1..... Construction Phase

5a.8.2..... Operation Phase

5a.9........ Residual Environmental Impacts

5a.10...... Environmental Monitoring and Audit

5a.11...... Conclusion

5b.......... WATER QUALITY IMPACT (Artificial Island near SKC)

5b.1........ Introduction

5b.2........ Environmental Legislation, Standards and Guidelines

5b.2.1..... Environmental Impact Assessment Ordinance (EIAO)

5b.2.2..... Water Pollution Control Ordinance (WPCO)

5b.2.3..... Sediment Quality Assessment Criteria

5b.3........ Description of the Environment

5b.3.1..... Existing Baseline Marine Water Quality

5b.3.2..... Existing Baseline Marine Sediment Quality

5b.4........ Water Sensitive Receivers

5b.5........ Assessment Methodology

5b.6........ Identification of Potential Impacts

5b.6.1..... Construction Phase

5b.6.2..... Operation Phase

5b.7........ Prediction and Evaluation of Environmental Impacts

5b.7.1..... Land-based Construction Phase Impact

5b.7.2..... Construction Phase Impact from Cofferdam Construction

5b.7.3..... Construction Phase Impact from Loss of Filling Material from the Reclamation Area and Localized Dredging for Anti-Scouring Protection Layer

5b.7.4..... Construction Phase Impact from Installation of Submarine Cables

5b.7.5..... Consideration of Cumulative Construction Phase Impacts

5b.7.6..... Operation Phase Impact from Project Effluent

5b.7.7..... Operation Phase Impact due to Maintenance Dredging

5b.7.8..... Operation Phase Impact on Flow Regime

5b.7.9..... Operation Phase Impact on the Channel between the SKC Southwest Shore and the Proposed Facilities

5b.7.10... Operation Phase Impact on Dissolved Oxygen within the Breakwaters Sheltered Water

5b.7.11... Operation Phase Impact on Sediment Deposition and Water Quality

5b.8........ Mitigation Measures

5b.8.1..... Construction Phase

5b.8.2..... Operation Phase

5b.9........ Evaluation of Residual Impacts

5b.10...... Environmental Monitoring and Audit

5b.11...... Conclusion

6a.......... WASTE MANAGEMENT IMPLICATIONS (TTAL Site)

6a.1........ Introduction

6a.2........ Environmental Legislation, Policies, Plans, Standards and Criteria

6a.2.1..... General

6a.2.2..... Waste Disposal Ordinance (Cap. 354)

6a.2.3..... Public Health and Municipal Services Ordinance (Cap. 132)

6a.2.4..... Land (Miscellaneous Provisions) Ordinance (Cap 28)

6a.2.5..... Environmental Guidelines

6a.3........ Assessment Approach and Methodology

6a.4........ Identification and Evaluation of Environmental Impacts

6a.4.1..... Construction Phase

6a.4.2..... Operation Phase

6a.5........ Mitigation of Adverse Environmental Impacts

6a.5.1..... Construction Phase

6a.5.2..... Operation Phase

6a.6........ Contamination Prevention Measures

6a.6.1..... General

6a.6.2..... Potential Sources of Contamination

6a.6.3..... Approach to Prevent Land Contamination

6a.7........ Evaluation of Residual Impacts

6a.8........ Environmental Monitoring and Audit

6a.9........ Conclusion

6b.......... WASTE MANAGEMENT IMPLICATIONS (Artificial Island near SKC)

6b.1........ Introduction

6b.2........ Environmental Legislation, Policies, Plans, Standards and Criteria

6b.2.1..... General

6b.2.2..... Waste Disposal Ordinance (Cap. 354)

6b.2.3..... Public Health and Municipal Services Ordinance (Cap. 132)

6b.2.4..... Land (Miscellaneous Provisions) Ordinance (Cap 28)

6b.2.5..... Dumping at Sea Ordinance (Cap 466)

6b.2.6..... Environmental Guidelines

6b.3........ Assessment Approach and Methodology

6b.4........ Identification and Evaluation of Environmental Impacts

6b.5........ Mitigation of Adverse Environmental Impacts

6b.5.1..... Construction Phase

6b.5.2..... Operation Phase

6b.6........ Contamination Prevention Measures

6b.6.1..... General

6b.6.2..... Potential Sources of Contamination

6b.6.3..... Approach to Prevent Land Contamination

6b.7........ Evaluation of Residual Impacts

6b.8........ Environmental Monitoring and Audit

6b.9........ Conclusion

7a.......... ECOLOGICAL IMPACT (BOTH TERRESTRIAL AND AQUATIC) (TTAL Site)

7a.1........ Introduction

7a.2........ Environmental Legislation, Policies, Plans, Standards and Criteria

7a.3........ Assessment Methodology

7a.3.1..... Study Area

7a.3.2..... Literature Review

7a.3.3..... Ecological Surveys

7a.4........ Description of the Environment

7a.4.1..... Areas of Conservation Interest

7a.4.2..... Habitat and Vegetation

7a.4.3..... Avifauna

7a.4.4..... Terrestrial Mammals

7a.4.5..... Herpetofauna

7a.4.6..... Dragonflies and Butterflies

7a.4.7..... Freshwater Communities

7a.4.8..... Intertidal Fauna

7a.4.9..... Subtidal Fauna

7a.4.10... Marine Mammals

7a.5........ Ecological Value

7a.6........ Identification and Evaluation of Environmental Impacts

7a.6.1..... Introduction

7a.6.2..... Construction Phase

7a.6.3..... Operation Phase

7a.7........ Cumulative Impacts

7a.7.1..... Construction Phase

7a.7.2..... Operation Phase

7a.8........ Mitigation of Adverse Environmental Impacts

7a.8.1..... Introduction

7a.8.2..... Avoidance and Minimization

7a.8.3..... Compensation

7a.9........ Evaluation of Residual Impacts

7a.10...... Environmental Monitoring and Audit

7a.11...... Conclusion

7a.12...... Reference

7b.......... ECOLOGICAL IMPACT (BOTH TERRESTRIAL AND AQUATIC) (Artificial Island near SKC)

7b.1........ Introduction

7b.2........ Environmental Legislation, Policies, Plans, Standards And Criteria

7b.3........ Assessment Methodology

7b.3.1..... Study Area

7b.3.2..... Literature Review

7b.3.3..... Ecological Surveys

7b.4........ Description of the Environment

7b.4.1..... Area of Conservation Interest

7b.4.2..... Habitat and Vegetation

7b.4.3..... Avifauna

7b.4.4..... Terrestrial Mammals

7b.4.5..... Herpetofauna

7b.4.6..... Dragonflies and Butterflies

7b.4.7..... Freshwater Communities

7b.4.8..... Intertidal Fauna

7b.4.9..... Subtidal Fauna

7b.4.10... Marine Mammals

7b.5........ Ecological Value

7b.6........ Identification and Evaluation of Environmental Impacts

7b.6.1..... Introduction

7b.6.2..... Construction Phase

7b.6.3..... Operation Phase

7b.6.4..... Overall Impact

7b.7........ Cumulative Impacts

7b.8........ Mitigation of Adverse Environmental Impacts

7b.8.1..... Introduction

7b.8.2..... Avoidance

7b.8.3..... Minimisation

7b.8.4..... Compensation

7b.8.5..... Additional Enhancement or Precautionary Measures

7b.8.6..... Summaries of Ecological Impacts and Mitigation / Enhancement Measures

7b.9........ Evaluation of Residual Impacts

7b.9.1..... Shek Kwu Chau

7b.9.2..... Cheung Sha

7b.9.3..... Along the Cable Alignment

7b.10...... Environmental Monitoring and Audit

7b.10.1... General

7b.10.2... Finless Porpoise Monitoring

7b.10.3... Coral Monitoring

7b.10.4... White-bellied Sea Eagle Monitoring

7b.10.5... Water Quality Monitoring and Audit

7b.11...... Conclusion

7b.12...... Reference

8a.......... FISHERIES IMPACT (TTAL Site)

8a.1........ Introduction

8a.2........ Environmental Legislation, Policies, Plans, Standards and Guidelines

8a.3........ Study Area

8a.4........ Assessment Methodology

8a.5........ Description of the Environment

8a.5.1..... Sites of Fisheries Importance

8a.5.2..... Capture Fisheries

8a.5.3..... Culture Fisheries

8a.5.4..... Artificial Reef

8a.6........ Identification, Prediction and Evaluation of Environmental Impacts

8a.6.1..... Construction Phase

8a.6.2..... Operation Phase

8a.7........ Mitigation of Environmental Impacts

8a.8........ Evaluation of Residual Environmental Impacts

8a.9........ Evaluation of Cumulative Environmental Impacts

8a.10...... Environmental Monitoring and Audit

8a.11...... Conclusion

8a.12...... References

8b.......... FISHERIES IMPACT (Artificial Island near SKC)

8b.1........ Introduction

8b.2........ Environmental Legislation, Policies, Plans, Standards and Guidelines

8b.3........ Study Area

8b.4........ Assessment Methodology

8b.5........ Description of the Environment

8b.5.1..... Sites Of Fisheries Importance

8b.5.2..... Capture Fisheries

8b.5.3..... Culture Fisheries

8b.6........ Identification, Prediction and Evaluation Of Environmental Impacts

8b.6.1..... Construction Phase

8b.6.2..... Operation Phase

8b.6.3..... Overall Impacts

8b.7........ Evaluation of Cumulative Environmental Impacts

8b.8........ Mitigation of Environmental Impacts

8b.9........ Evaluation of Residual Environmental Impacts

8b.10...... Environmental Monitoring and Audit

8b.11...... Conclusion

8b.12...... References

9a.......... HEALTH IMPACT (TTAL Site)

9a.1........ Introduction

9a.2........ Potential Health Impacts of Aerial Emissions from the IWMF during operational phase

9a.2.1..... Project Site

9a.2.2..... Hazard Identification

9a.2.3..... Air Dispersion and Deposition Modelling

9a.2.4..... Exposure Assessment

9a.2.5..... Toxicity Assessment

9a.2.6..... Risk Characterization

9a.3........ Potential Health Impacts of Biogas from Sorting and Recycling Plant

9a.3.1..... Introduction

9a.3.2..... Description of Potential Biogas Emissions

9a.3.3..... Impact Evaluation

9a.4........ Potential Health Impacts of Fugitive Emissions during Transportation, Storage and Handling of Waste and Ash

9a.4.1..... Introduction

9a.4.2..... Description of Operation Process

9a.4.3..... Hazard Identification

9a.4.4..... Impact Evaluation

9a.5........ Potential Health Impacts of Radon Emissions from Pulverized Fly Ash

9a.5.1..... Introduction

9a.5.2..... Health Hazard of Radon

9a.5.3..... Radon Associated with PFA

9a.5.4..... Health Impact Associated with PFA due to Radon Emissions

9a.5.5..... Impact Evaluation

9a.5.6..... Recommended Measures to Control Radon Health Risk

9a.6........ Health Impacts Associated with other Potential Accidental Events

9a.7........ Conclusion

9a.8........ Reference

9b.......... HEALTH IMPACT (Artificial Island near SKC)

9b.1........ Introduction

9b.2........ Potential Health Impacts of Aerial Emissions from the IWMF during operational phase

9b.2.1..... Project Site

9b.2.2..... Hazard Identification

9b.2.3..... Air Dispersion and Deposition Modelling

9b.2.4..... Exposure Assessment

9b.2.5..... Toxicity Assessment

9b.2.6..... Risk Characterization

9b.3........ Potential Health Impacts of Biogas from Sorting and Recycling Plant

9b.3.1..... Introduction

9b.3.2..... Description of Potential Biogas Emissions

9b.3.3..... Impact Evaluation

9b.4........ Potential Health Impacts of Fugitive Emissions during Transportation, Storage and Handling of Waste and Ash

9b.4.1..... Introduction

9b.4.2..... Description of Operation Process

9b.4.3..... Hazard Identification

9b.4.4..... Impact Evaluation

9b.5........ Health Impacts Associated with other Potential Accidental Events

9b.6........ Conclusion

9b.7........ Reference

9c........... HEALTH IMPACT (Co-Exist Scenario)

9c.1........ Introduction

9c.2........ Prediction and Evaluation of Environmental Impacts

9c.2.1..... Operation Phase

9c.3........ Conclusion

10a......... LANDSCAPE AND VISUAL IMPACT (TTAL Site)

10a.1...... Introduction

10a.2...... Description of Proposed Works

10a.3...... Environmental Legislation and Standards

10a.4...... Review of Planning and Development Control Framework

10a.4.1... Objectives

10a.4.2... Existence of Statutory Plans

10a.5...... Baseline Study Methodology

10a.5.1... Introduction

10a.5.2... Landscape Baseline Study Methodology

10a.5.3... Visual Baseline Study Methodology

10a.5.4... Impact Significance Threshold Assessment Methodology

10a.5.5... Residual Impacts Assessment Methodology

10a.5.6... Photomontage Illustration for Selected Views

10a.5.7... Overall Result of Assessment

10a.6...... Baseline study

10a.6.1... Identification of Landscape Resources (LRs)

10a.6.2... Identification of Landscape Character Areas (LCAs)

10a.6.3... Identification of Visual Sensitive Receivers

10a.7...... Sources of Landscape and Visual Impact

10a.7.1... Sources of Landscape Impact

10a.7.2... Sources of Visual Impact

10a.8...... Landscape Impact Assessment (Before Mitigation)

10a.8.1... Sensitivity of Landscape Resources and Landscape Character Areas

10a.8.2... Magnitude of Change of Landscape Resources and Landscape Character Areas

10a.8.3... Significance Threshold of Landscape Resources and Landscape Character Areas

10a.9...... Visual Impact Assessment

10a.9.1... Sensitivity of Visual Sensitive Receivers

10a.9.2... Magnitude of Change of Visual Sensitive Receivers

10a.9.3... Significance Threshold of Visual Sensitive Receivers

10a.10.... Mitigation Measures

10a.10.1.. Mitigation Measure Approaches

10a.10.2.. General Mitigation Measures / Strategies

10a.10.3.. Residual Impact of Landscape Resources and Landscape Character Areas

10a.10.4.. Residual Impact of Visual Sensitive Receivers

10a.10.5.. Photomontages of Residual Impact of Visual Sensitive Receivers

10a.11.... Cumulative Impacts

10a.11.1.. Concurrent Projects near Project Site

10a.11.2.. Cumulative Impacts

10a.12.... Conclusion

10a.12.1.. Landscape Impact

10a.12.2.. Visual Impact

10a.12.3.. Overall Residual Impact

10b......... Landscape and Visual Impact (Artificial Island near SKC)

10b.1...... Introduction

10b.2...... Description of Proposed Works

10b.3...... Environmental Legislation and Standards

10b.4...... Review of Planning and Development Control Framework

10b.4.1... Objectives

10b.4.2... Existence of Statutory Plans

10b.5...... Baseline Study Methodology

10b.5.1... Introduction

10b.5.2... Landscape Baseline Study Methodology

10b.5.3... Visual Baseline Study Methodology

10b.5.4... Impact Significance Threshold Assessment Methodology

10b.5.5... Residual Impacts Assessment Methodology

10b.5.6... Photomontage Illustration for Selected Views

10b.5.7... Overall Result of Assessment

10b.6...... Baseline study

10b.6.1... Identification of Landscape Resources (LRs)

10b.6.2... Identification of Landscape Character Areas (LCAs)

10b.6.3... Identification of Visual Sensitive Receivers

10b.7...... Sources of Landscape and Visual Impact

10b.7.1... Sources of Landscape Impact

10b.7.2... Sources of Visual Impacts

10b.8...... Landscape Impact Assessment (Before Mitigation)

10b.8.1... Sensitivity of Landscape Resources and Landscape Character Areas

10b.8.2... Magnitude of Change of Landscape Resources and Landscape Character Areas

10b.8.3... Significance Threshold of Landscape Resources and Landscape Character Areas

10b.9...... Visual Impact Assessment

10b.9.1... Sensitivity of Visual Sensitive Receivers

10b.9.2... Magnitude of Change of Visual Sensitive Receivers

10b.9.3... Significance Threshold of Visual Sensitive Receivers

10b.10.... Mitigation Measures

10b.10.1.. Mitigation Measures Approaches

10b.10.2.. General Mitigation Measures / Strategies

10b.10.3.. Residual Impact of Landscape Resources and Landscape Character Areas

10b.10.4.. Residual Impact of Visual Sensitive Receivers

10b.10.5.. Photomontages of Residual Impact of Visual Sensitive Receivers

10b.11.... Cumulative Impacts

10b.12.... Conclusion

10b.12.1.. Landscape Impact

10b.12.2.. Visual Impact

10b.12.3.. Overall Residual Impact

11a......... IMPACT ON CULTURAL HERITAGE (TTAL Site)

11a.1...... Introduction

11a.2...... Environmental Legislation and Standards

11a.2.1... Overview

11a.2.2... Environmental Impact Assessment Ordinance (Cap.499) (EIAO)

11a.2.3... Technical Memorandum on Environmental Impact Assessment Process (EIAO-TM)

11a.2.4... Antiquities and Monuments Ordinance (Cap.53) (AM & O)

11a.2.5... Hong Kong Planning Standards and Guidelines (HKPSG)

11a.2.6... Guidelines for Cultural Heritage Impact Assessment (GCHIA)

11a.2.7... Vibration Limits on Heritage Buildings

11a.3...... Assessment Methodology

11a.3.1... Study Scope

11a.3.2... Terrestrial Archaeology

11a.3.3... Built Heritage

11a.4...... Result of Terrestrial Archaeological Review

11a.5...... Result of Built Heritage Resources Review

11a.6...... Identification of Potential Impacts

11a.6.1... Construction Phase

11a.6.2... Operation Phase

11a.7...... Evaluation of Potential Impacts

11a.7.1... Construction Phase

11a.7.2... Operation Phase

11a.8...... Recommended Mitigation Measures

11a.8.1... Construction Phase

11a.8.2... Operation Phase

11a.9...... Environmental Monitoring and Audit

11a.10.... Conclusion

11a.11.... References

11b......... IMPACT ON CULTURAL HERITAGE (Artificial Island near SKC)

11b.1...... Introduction

11b.2...... Environmental Legislation and Standards

11b.2.1... Overview

11b.2.2... Environmental Impact Assessment Ordinance (Cap.499) (EIAO)

11b.2.3... Technical Memorandum on Environmental Impact Assessment Process (EIAO-TM)

11b.2.4... Antiquities and Monuments Ordinance (Cap.53) (A&MO)

11b.2.5... Hong Kong Planning Standards and Guidelines

11b.2.6... Guidelines for Cultural Heritage Impact Assessment

11b.2.7... Guidelines for Marine Archaeological Impact Assessment

11b.3...... Assessment Methodology

11b.3.1... Study Scope

11b.3.2... Terrestrial Archaeology

11b.3.3... Marine Archaeology

11b.3.4... Built Heritage

11b.4...... Result of Terrestrial Archaeological Review

11b.5...... Result of Marine Archaeological Investigation Review

11b.5.1... Baseline Review

11b.5.2... Geophysical Survey

11b.5.3... Diver Inspection

11b.6...... Result of Built Heritage Resources Review and Cultural Landscape

11b.7...... Identification of Potential Impacts

11b.7.1... Construction Phase

11b.7.2... Operation Phase

11b.8...... Evaluation of Potential Impacts

11b.8.1... Construction Phase

11b.8.2... Operation Phase

11b.9...... Recommended Mitigation Measures

11b.9.1... Construction Phase

11b.9.2... Operation Phase

11b.10.... Environmental Monitoring and Audit

11b.11.... Conclusion

11b.12.... References

12a......... LANDFILL GAS HAZARDS ASSESSMENT (TTAL Site)

12a.1...... Introduction

12a.2...... Environmental Legislation, Policies, Plans, Standards and Criteria

12a.3...... General Description of the IWMF and the WENT Landfill Extensions

12a.4...... Potential Landfill Gas Hazards

12a.5...... Landfill Gas Assessment Criteria and Methodology

12a.5.1... Landfill Gas Assessment Criteria

12a.5.2... Source

12a.5.3... Pathway

12a.5.4... Target

12a.6...... Assessment of Potential Risk

12a.6.1... Source

12a.6.2... Pathway

12a.6.3... Target

12a.7...... Summary of Qualitative Source-Pathway-Target Analysis

12a.8...... Recommended Protection Measures

12a.8.1... Introduction

12a.8.2... During Construction Phase, if the WENT Extension project is in operation

12a.8.3... Design of Landfill Gas Protection Measures and other Protection Measures during Operation Phase

12a.9...... Conclusion

13........... ENVIRONMENTAL MONITORING AND AUDIT REQUIREMENTS

13.1........ Introduction

13.2........ Tsang Tsui Ash Lagoon Site

13.2.1..... Air Quality Impact

13.2.2..... Noise Impact

13.2.3..... Water Quality Impact

13.2.4..... Waste Management Implications

13.2.5..... Ecological Impact

13.2.6..... Fisheries Impact

13.2.7..... Health Impact

13.2.8..... Landscape and Visual Impact

13.2.9..... Impact on Cultural Heritage

13.2.10... Landfill Gas Hazards Assessment

13.3........ An Artificial Island near SKC

13.3.1..... Air Quality Impact

13.3.2..... Noise Impact

13.3.3..... Water Quality Impact

13.3.4..... Waste Management Implications

13.3.5..... Ecological Impact

13.3.6..... Fisheries Impact

13.3.7..... Health Impact

13.3.8..... Landscape and Visual Impact

13.3.9..... Impact on Cultural Heritage

14........... IMPLEMENTATION SCHEDULE OF THE PROPOSED MITIGATION MEASURES

14.1........ The IWMF at the TTAL Site

14.2........ The IWMF at the Artificial Island near SKC

15........... SUMMARY OF ENVIRONMENTAL OUTCOMES

15.1........ Impact Summary for Tsang Tsui Ash Lagoon Site

15.1.1..... General

15.1.2..... Air Quality Impact

15.1.3..... Noise Impact

15.1.4..... Water Quality Impact

15.1.5..... Waste Management Implications

15.1.6..... Ecological Impact

15.1.7..... Fisheries Impact

15.1.8..... Health Impact

15.1.9..... Landscape and Visual Impact

15.1.10... Impact on Cultural Heritage

15.1.11... Landfill Gas Hazards Assessment

15.2........ Impact Summary for the IWMF at an Artificial Island near SKC

15.2.1..... General

15.2.2..... Air Quality Impact

15.2.3..... Noise Impact

15.2.4..... Water Quality Impact

15.2.5..... Waste Management Implications

15.2.6..... Ecological Impact

15.2.7..... Fisheries Impact

15.2.8..... Health Impact

15.2.9..... Landscape and Visual Impact

15.2.10... Impact on Cultural Heritage

15.3........ Impact Summary for IWMF at both Tsang Tsui Ash Lagoon Site and the Artificial Island near SKC (Co-Exist Scenario)

15.3.1..... General

15.3.2..... Air Quality Impact

15.3.3..... Health Impact

15.4........ Key Environmental Outcomes and Summary of Environmental Performance Comparison

List of Tables

Table 2.1 Criteria for Selection of Thermal Treatment Technology

Table 2.2 Summary of Option Evaluation for Thermal Treatment Technologies

Table 2.3 Air Emission Limits for the IWMF

Table 2.4 Dimensions of Major Building Structures of IWMF

Table 2.5 Construction Programme of the IWMF at the TTAL Site

Table 2.6 Construction Programme of the IWMF at the Artificial Island near SKC

Table 2.7 Areas Covered by the EIA Study

Table 3a.1 Hong Kong Air Quality Objectives

Table 3a.2 Annual Average Concentrations of Pollutants from Year 2005 to Year 2009 at EPD's Air Quality Monitoring Station (Yuen Long)

Table 3a.3 Identified Air Sensitive Receiver for TTAL Site (Odour Impacts)

Table 3a.4 Target Emission Levels

Table 3a.5 Operation Parameters of the Incineration Plant

Table 3a.6 Allocated Emission Allowances for Year 2015

Table 3a.7 Different road types for the hot spot areas

Table 3a.8 Fuel Efficiency

Table 3a.9 Emission rate for SO₂ for different types of vehicles

Table 3a.10 Total vehicle emission for different assessment years for the entire territory

Table 3a.11 Total vehicle emission for different assessment years for each hot spot area

Table 3a.13 Conversion Factors to 5 second Average Concentration

Table 3a.14 Identified Air Sensitive Receivers for TTAL Site (Gaseous Pollutants)

Table 3a.15 Predicted Odour Levels at the ASR

Table 3b.1 Hong Kong Air Quality Objectives

Table 3b.2 Annual Average Concentrations of Pollutants from Year 2005 to Year 2009 at EPD's Air Quality Monitoring Station (Tung Chung)

Table 3b.3 Identified Air Sensitive Receiver for the Artificial Island near SKC (Odour Impacts)

Table 3b.4 Target emission levels

Table 3b.5 Operation parameters of the Incineration Plant

Table 3b.6 Allocated Emission Allowances for Year 2015

Table 3b.7 Different road types for the hot spot areas

Table 3b.8 Fuel Efficiency

Table 3b.9 Emission rate for SO₂ for different types of vehicles

Table 3b.10 Total vehicle emission for different assessment years for the entire territory

Table 3b.11 Total vehicle emission for different assessment years for each hot spot area

Table 3b.12 Conversion Factors to 5 second Average Concentration

Table 3b.13 Identified Air Sensitive Receivers for the Artificial Island near SKC (Gaseous Pollutants)

Table 3b.14 Predicted Odour Levels at the ASR

Table 4a.1 Summary of Representative Noise Sensitive Receivers

Table 4a.2 Projected Peak Hour Off-site Traffic Flow

Table 4a.3 Predicted Noise Levels at Representative NSRs

Table 4b.1 Construction Noise Criteria for Activity other than Percussive Piling

Table 4b.2 Operation Noise Criteria for Fixed Noise Sources

Table 4b.3 Summary of Measured Prevailing Background Noise Level

Table 4b.4 Representative Noise Sensitive Receivers for Noise Impact Assessment

Table 4b.5 Operation Mode of the Berths

Table 4b.6 Noise Inventories

Table 4b.7 Summary of Cumulative Unmitigated Construction Noise Levels at Representative NSRs during Normal Daytime Working Hours

Table 4b.8 Summary of Predicted Operation Noise Levels

Table 5a.1 Summary of Water Quality Objectives for Deep Bay WCZ

Table 5a.2 Summary of Water Quality Objectives for North Western WCZ

Table 5a.3 Summary of Inland Water Quality for Tsang Kok Stream in 2008

Table 5a.4 Summary of Marine Water Quality in Outer Deep Bay in 2008

Table 5a.4a Estimated Amount of Sewage Generated from the IWMF Staff & Visitors and the Associated Activities

Table 5a.5 Estimated Quantity and Possible Characteristics of Wastewater Generated from Treatment Process and Sewage from Floor & Vehicle Washing and the IWMF Staff & Visitors

Table 5a.6 Comparison of Leaching Trial Results with the Background Levels and USEPA Water Quality Standards

Table 5a.7 Results of CLP monitoring programme between 1987 and 1988

Table 5a.8 Comparison of the Leaching Trial Results with the USEPA Aquatic Life Criteria

Table 5a.9 Comparison of the Leaching Trial Results with the New Zealand Guidelines for Fresh and Marine Water Quality

Table 5a.10 Comparison of the Leaching Trial Results with the UK Water Quality Standards for the Protection of Saltwater Life

Table 5a.11 Chemical Toxicity Data for Aquatic Life

Table 5a.12 Amount of Water Demand for Landscape Irrigation and Washing

Table 5a.13 Comparison of Saline Water Discharge from Desalination Plant with Effluent Discharge Standard

Table 5a.14 Density Profile at TTAL IWMF Desalination Plant Outfall

Table 5a.15 Current Velocity Profile at TTAL IWMF Desalination Plant Outfall

Table 5a.16 Summary of Proposed Model Runs

Table 5a.17 Example of Background Build Up Correction

Table 5a.18 Summary of Initial Dilutions Predicted at the Edge of ZID

Table 5a.19 Dilution Rate at 10 m away from TTAL IWMF Desalination Plant Outfall

Table 5b.1 Summary of Water Quality Objectives for Southern WCZ

Table 5b.2 Sediment Quality Criteria for the Classification of Sediment

Table 5b.3 Baseline Marine Water Quality Condition for Southern WCZ

Table 5b.4 Baseline Marine Sediment Quality Condition

Table 5b.5 Estimated Amount of Sewage Generated from the IWMF Staff & Visitors and the Associated Activities

Table 5b.6 Estimated Quantity and Possible Characteristics of Wastewater Generated from Treatment Process and Sewage from Floor & Vehicle Washing and the IWMF Staff & Visitors

Table 5b.7 Ambient and Tolerance Values for Suspended Solids Concentrations in the Vicinity of Sensitive Receivers

Table 5b.8 Calculated Suspended Sediment Elevation under Unmitigated Filling Scenario

Table 5b.9 Calculated Suspended Sediment Elevation under Mitigated Filling Scenario

Table 5b.10 Calculated Suspended Sediment Elevation under Unmitigated Dredging Scenario (Silt Curtain Implemented)

Table 5b.11 Calculated Suspended Sediment Elevation under Mitigated Dredging Scenario (Silt Curtain Implemented and Dredging Rate Reduces)

Table 5b.12 Recommended Maximum Dredging Rate and Permitted Number of Grab Per Hour

Table 5b.13 Calculation of the Effects of Increased Suspended Solids Concentration on Dissolved Oxygen Concentration under Unmitigated Scenario

Table 5b.14 Comparison of Saline Water Discharge from Desalination Plant with Effluent Discharge Standard

Table 5b.15 Density Profile at SKC IWMF Desalination Plant Outfall

Table 5b.16 Current Velocity Profile at SKC IWMF Desalination Plant Outfall

Table 5b.17 Summary of Proposed Model Runs

Table 5b.18 Example for Background Build Up Correction

Table 5b.19 Summary of Initial Dilutions Predicted at the Edge of ZID

Table 6a.1 Summary of C&D Material Volumes

Table 6a.2 Incineration Residue Pollution Control Limits

Table 6a.3 Summary of Waste Generation from Operation of IWMF Phase 1

Table 6a.4 Summary of Waste Handling Procedures and Disposal Outlets during Construction Phase

Table 6a.5 Materials used in the IWMF Operation with Land Contamination Potential

Table 6b.1 Chemical Screening Results

Table 6b.2 Disposal Quantity of Marine Sediment

Table 6b.3 Summary of C&D Materials Volumes

Table 6b.4 Sampling Locations and Relevant Results

Table 6b.5 Methane Hazard Assessment Criteria

Table 6b.6 Calculation of Methane Flux from the Shek Kwu Chau Reclamation

Table 6b.7 Incineration Residue Pollution Control Limits

Table 6b.8 Summary of Waste Generation from Operation of the IWMF

Table 6b.9 Summary of Waste Handling Procedures and Disposal Outlets during Construction Phase

Table 6b.10 Materials used in the IWMF Operation with Land Contamination Potential

Table 7a.1 Ecological Survey Programme

Table 7a.2 Habitats Recorded within the Study Area

Table 7a.3 Avifauna of Conservation Interest Previously Recorded from the Ash Lagoons and its Vicinity.

Table 7a.4 Breeding Activities of Little Grebes Previously Recorded from Ash Lagoons

Table 7a.5 Avifaunal Species of Conservation Interest Recorded within the Study Area

Table 7a.6 Mammal Species of Conservation Interest Previously Recorded from the Ash Lagoons and its Vicinity.

Table 7a.7 Ecological Value of Ash Lagoon in the Study Area of the Tsang Tsui Ash Lagoon Site

Table 7a.8 Ecological Value of Secondary Woodland in the Study Area of the Tsang Tsui Ash Lagoon Site

Table 7a.10 Ecological Value of Plantation in the Study Area of the Tsang Tsui Ash Lagoon Site

Table 7a.11 Ecological Value of Watercourse in the Study Area of the Tsang Tsui Ash Lagoon Site

Table 7a.12 Ecological Value of Developed Area/Disturbed Area in the Study Area of the Tsang Tsui Ash Lagoon Site

Table 7a.13 Ecological Value of Orchard in the Study Area of the Tsang Tsui Ash Lagoon Site

Table 7a.14 Ecological Value of Seawall in the Study Area of the Tsang Tsui Ash Lagoon Site

Table 7a.15 Ecological Value of Coastal Waters in the Study Area of the Tsang Tsui Ash Lagoon Site

Table 7a.16 Species of Conservation Interest Recorded in the Study Area of the Tsang Tsui Ash Lagoon Site in 2008 and 2009

Table 7a.17 Overall Impact Evaluation: Ash Lagoons

Table 7a.18 Overall Impact Evaluation: Secondary Woodland

Table 7a.19 Overall Impact Evaluation: Grassland/Shrubland

Table 7a.20 Overall Impact Evaluation: Plantation

Table 7a.21 Overall Impact Evaluation: Watercourse

Table 7a.22 Overall Impact Evaluation: Developed Area/Disturbed Area

Table 7a.23 Overall Impact Evaluation: Orchard

Table 7a.24 Overall Impact Evaluation: Seawall

Table 7a.25 Overall Impact Evaluation: Coastal Waters

Table 7a.26 Overall Impacts to Species of Conservation Interest

Table 7a.27 Overall Construction Stage Impact and Mitigation/Enhancement

Table 7a.28 Overall Operation Stage Impact and Mitigation/Enhancement

Table 7b.1 Ecological Survey Programme for Shek Kwu Chau

Table 7b.2 Ecological Survey Programme for Cheung Sha

Table 7b.3 Habitats Recorded within the Study Area at Shek Kwu Chau

Table 7b.4 Habitats Recorded within the Study Area at Cheung Sha

Table 7b.5 Marine Water Quality Condition for Southern WCZ

Table 7b.6 Avifauna Species of Conservation Interest Previously Recorded at Shek Kwu Chau

Table 7b.7 Avifauna Species of Conservation Interest Recorded within the Study Area at Shek Kwu Chau

Table 7b.8 Avifauna Species of Conservation Interest Recorded within the Study Area at Cheung Sha

Table 7b.9 Herpetofauna Species of Conservation Interest Previously Recorded at Shek Kwu Chau

Table 7b.10 Herpetofauna Species of Conservation Interest Recorded within the Study Area at Shek Kwu Chau

Table 7b.11 Herpetofauna Species of Conservation Interest Previously Recorded at Cheung Sha

Table 7b.12 Herpetofauna Species of Conservation Interest Recorded within the Study Area at Cheung Sha

Table 7b.13 Dragonfly Species of Conservation Interest Previously Recorded at Shek Kwu Chau

Table 7b.14 Dragonflies and Butterflies Species of Conservation Interest Recorded within the Study Area at Shek Kwu Chau

Table 7b.15 Freshwater Species of Conservation Interest Previously Recorded at Cheung Sha

Table 7b.16 Summary of Intertidal Line-transect Survey Results at Shek Kwu Chau

Table 7b.17 Summary of Intertidal Survey Results at Cheung Sha

Table 7b.18 Coral Species Found within the Study Area at Shek Kwu Chau

Table 7b.19 Summary of Benthos Survey Results in Dry and Wet Seasons at Shek Kwu Chau

Table 7b.20 Comparison of Diversity Index (H') and Evenness Index (J) of Benthic Communities at Shek Kwu Chau with Other Waters in Hong Kong

Table 7b.21 Summary of Benthos Survey Results in Dry and Wet Seasons along the Proposed Submarine Cable

Table 7b.22 Comparison of Diversity Index (H') and Evenness Index (J) of Benthic Communities along the Proposed Submarine Cable with Other Waters in Hong Kong

Table 7b.23 Ecological Value of Shrubland Habitat at Shek Kwu Chau

Table 7b.24 Ecological Value of Plantation Habitat at Shek Kwu Chau

Table 7b.25 Ecological Value of Developed Habitat at Shek Kwu Chau

Table 7b.26 Ecological Value of Pond Habitat at Shek Kwu Chau

Table 7b.27 Ecological Value of Watercourse Habitat at Shek Kwu Chau

Table 7b.28 Ecological Value of Rocky Shore Habitat at Shek Kwu Chau

Table 7b.29 Ecological Value of Subtidal Hard Bottom Habitat at Shek Kwu Chau

Table 7b.30 Ecological Value of Subtidal Soft Bottom Habitat at Shek Kwu Chau

Table 7b.31 Ecological Value of Coastal / Marine Waters at Shek Kwu Chau

Table 7b.32 Ecological Value of Shrubland Habitat at Cheung Sha

Table 7b.33 Ecological Value of Developed Habitat at Cheung Sha

Table 7b.34 Ecological Value of Watercourse Habitat at Cheung Sha

Table 7b.35 Ecological Value of Rocky Shore Habitat at Cheung Sha

Table 7b.36 Ecological Value of Subtidal Hard Bottom Habitat at Cheung Sha

Table 7b.37 Ecological Value of Subtidal Soft Bottom Habitat at Cheung Sha

Table 7b.38 Ecological Value of Coastal / Marine Waters at Cheung Sha

Table 7b.39 Ecological Value of Subtidal Soft Bottom Habitat along the Submarine Cable Alignment

Table 7b.40 Ecological Value of Coastal / Marine Waters along the Submarine Cable Alignment

Table 7b.41 Species of Conservation Interest Recorded in the Study Area of Shek Kwu Chau during the Current and Previous Studies

Table 7b.42 Species of Conservation Interest Recorded in the Study Area of at Cheung Sha and Along the Submarine Cable Alignment during the Current and Previous Studies

Table 7b.43 Area of Habitat to be Directly Affected under the Project

Table 7b.44 Brief summary of REA Survey Results within the Reclamation Area at Shek Kwu Chau

Table 7b.45 Potentially Affected Coral Species Recorded within the Reclamation Area at Shek Kwu Chau

Table 7b.46 Calculated Suspended Solids (SS) Concentrations at Shek Kwu Chau under Unmitigated Dredging Scenario (Dredging Rate 4000 m3/day, without silt curtain)

Table 7b.47 Overall Impact Evaluation at Shek Kwu Chau: Shrubland

Table 7b.48 Overall Impact Evaluation at Shek Kwu Chau: Plantation

Table 7b.49 Overall Impact Evaluation at Shek Kwu Chau: Developed Area

Table 7b.50 Overall Impact Evaluation at Shek Kwu Chau: Pond

Table 7b.51 Overall Impact Evaluation at Shek Kwu Chau: Watercourse

Table 7b.52 Overall Impact Evaluation at Shek Kwu Chau: Rocky Shore

Table 7b.53 Overall Impact Evaluation at Shek Kwu Chau: Subtidal Hard and Soft Bottom Habitat

Table 7b.54 Overall Impact Evaluation at Shek Kwu Chau: Coastal / Marine Waters

Table 7b.55 Overall Impact Evaluation at Cheung Sha: Shrubland

Table 7b.56 Overall Impact Evaluation at Cheung Sha: Developed Area

Table 7b.57 Overall Impact Evaluation at Cheung Sha: Watercourse

Table 7b.58 Overall Impact Evaluation at Cheung Sha: Rocky Shore

Table 7b.59 Overall Impact Evaluation at Cheung Sha: Subtidal Hard and Soft Bottom Habitat

Table 7b.60 Overall Impact Evaluation at Cheung Sha: Coastal / Marine Waters

Table 7b.61 Overall Impact Evaluation along the Submarine Cable Alignment: Subtidal Soft Bottom Habitat

Table 7b.62 Overall Impact Evaluation along the Cable Alignment: Coastal / Marine Waters

Table 7b.63 Overall Impacts on Species of Conservation Interest at Shek Kwu Chau

Table 7b.64 Overall Impacts on Species of Conservation Interest at Cheung Sha and Along the Submarine Cable Alignment

Table 7b.65 Overall Construction Stage Impact and Mitigation / Enhancement for Shek Kwu Chau

Table 7b.66 Overall Operation Stage Impact and Mitigation / Enhancement for Shek Kwu Chau

Table 7b.67 Overall Construction Stage Impact and Mitigation / Enhancement for Cheung Sha

Table 7b.68 Overall Operation Stage Impact and Mitigation / Enhancement for Cheung Sha

Table 7b.69 Overall Construction Stage Impact and Mitigation / Enhancement for Submarine Cable Alignment

Table 7b.70 Overall Operation Stage Impact and Mitigation / Enhancement for Submarine Cable Alignment

Table 8a.1 Recent Figures on Hong Kong Capture Fisheries Industry

Table 8a.2 Recent Figures on Hong Kong Marine Culture Fisheries Industry

Table 8a.3 Potential Fisheries Impact Evaluation during Construction and Operation Phase

Table 8b.1 Fisheries Sensitive Receivers within the Study Area

Table 8b.2 Recent Figures for Capture Fisheries in Hong Kong

Table 8b.3 Summary of Capture Fisheries Data in the Study Area

Table 8b.4 Fisheries Production (kg/ha) of Top Ten Families in the Study Area

Table 8b.5 Recent Figures on Hong Kong Marine Culture Fisheries Industry

Table 8b.6 Sizes of Works Areas for the IWMF an Artificial Island near SKC

Table 8b.7 Fisheries Impact Evaluation during Construction and Operation Phases

Table 9a.1 Identified Air Sensitive Receivers for the TTAL Site

Table 9a.2 Particle Size Distributions

Table 9a.5 Food Consumption Rates

Table 9a.6 Mechanisms for Environmental Media Contamination

Table 9a.7 Summary of General Water Body and Watershed Parameters

Table 9a.8 Toxicity Factors for the Risk Assessment

Table 9a.9 Exposure Limits/Reference Levels for COPCs Acute Exposure

Table 9a.10 Radium Equivalent Activities of PFA, FBA and Coal from the Castle Peak Power Station

Table 9a.11 Radium Equivalent Activities of PFA, FBA and Coal from Power Plant in other Countries

Table 9a.12 Summary of Estimates of Annual Effective Dose

Table 9a.13 Maximum Activity Concentration Limit

Table 9a.14 Potential Accidental Events and Preventive Measures

Table 9b.1 Identified Air Sensitive Receivers for Artificial Island near SKC

Table 9b.2 Particle Size Distributions

Table 9b.3 First Schedule - Maximum permitted concentration of certain metals naturally present in specified foods

Table 9b.4 Second Schedule - Maximum permitted concentration of certain metals present in specified foods

Table 9b.5 Food Consumption Rates

Table 9b.6 Mechanisms for Environmental Media Contamination

Table 9b.7 Summary of General Water Body and Watershed Parameters

Table 9b.8 Toxicity Factors for the Risk Assessment

Table 9b.9 Exposure Limits/Reference Levels for COPCs Acute Exposure

Table 9b.10 Potential Accidental Events and Preventive Measures

Table 10a.1 Matrix for Impact Significance Threshold - Combination and Relationship between Sensitivity and Magnitude of Change

Table 10a.2 Landscape Resources within Study Area

Table 10a.3 Landscape Character Areas within Study Area

Table 10a.4 Visual Sensitive Receivers within Visual Envelope

Table 10a.5 Sources of Landscape Impact during Construction Phase

Table 10a.6 Sources of Landscape Impact during Operation Phase

Table 10a.7 Sources of Visual Impact during Construction Phase

Table 10a.8 Sources of Visual Impact during Operation Phase

Table 10a.9 Sensitivity of Identified Landscape Resources and Landscape Character Areas

Table 10a.10 Magnitude of Change of Identified Landscape Resources and Landscape Character Areas

Table 10a.11 Significance Threshold of Identified Landscape Resources and Landscape Character Areas before Mitigation

Table 10a.12 Sensitivity of Identified Visual Sensitive Receivers

Table 10a.13 Magnitude of Change of Identified Visual Sensitive Receivers

Table 10a.14 Significance Threshold of Identified Visual Sensitive Receivers before Mitigation

Table 10a.15 Recommended Landscape and Visual Mitigation Measures

Table 10a.16 Residual Impact of Identified Landscape Resources and Landscape Character Areas after Mitigation

Table 10a.17 Residual Impact of Identified Visual Sensitive Receivers after Mitigation

Table 10a.18 Visibility of Visual Sensitive Receivers to Proposed Works

Table 10a.19 Concurrent Projects in the Vicinity of TTAL Site

Table 10b.1 Matrix for Impact Significance Threshold - Combination and Relationship between Sensitivity and Magnitude of Change

Table 10b.2 Landscape Resources within Study Area

Table 10b.3 Landscape Character Areas within Study Area

Table 10b.4 Visual Sensitive Receivers within Visual Envelope

Table 10b.5 Sources of Landscape Impact during Construction Phase

Table 10b.6 Sources of Landscape Impact during Operation Phase

Table 10b.7 Sources of Visual Impact during Construction Phase

Table 10b.8 Sources of Visual Impact during Operation Phase

Table 10b.9 Sensitivity of Identified Landscape Resources and Landscape Character Areas

Table 10b.10 Magnitude of Change of Identified Landscape Resources and Landscape Character Areas

Table 10b.11 Significance Threshold of Identified Landscape Resources and Landscape Character Areas before Mitigation

Table 10b.12 Sensitivity of Identified Visual Sensitive Receivers

Table 10b.13 Magnitude of Change of Identified Visual Sensitive Receivers

Table 10b.14 Significance Threshold of Identified Visual Sensitive Receivers before Mitigation

Table 10b.15 Recommended Landscape and Visual Mitigation Measures

Table 10b.16 Residual Impact of Identified Landscape Resources and Landscape Character Areas after Mitigation

Table 10b.17 Residual Impact of Identified Visual Sensitive Receivers after Mitigation

Table 10b.18 Visibility of Visual Sensitive Receivers to Proposed Works

Table 11a.1 Potential Impact on Cultural Heritage Site

Table 11b.1 Sonar Contact List

Table 11b.2 Seismic Contact List

Table 11b.3 Potential Impact on Cultural Heritage Site

Table 12a.1 Classification of Risk Category

Table 12a.2 Summary of General Categorization of Risk

Table 12a.3 Generic Protection Measures for Planning Stage Categorization

Table 12a.4 Definition of Control Terms

Table 12a.5 Qualitative Risk Assessment Matrix

Table 12a.6 Actions in the Event of Landfill Gas Being Detected in Excavations/Confined Areas

Table 14.1 Implementation Schedule for Air Quality Measures for the IWMF at the TTAL site

Table 14.2 Implementation Schedule for Water Quality Measures for the IWMF at the TTAL site

Table 14.3 Implementation Schedule for Waste Quality Measures for the IWMF at the TTAL site

Table 14.4 Implementation Schedule for Ecological Quality Measures for the IWMF at the TTAL site

Table 14.5 Implementation Schedule for Health Impact Measures for the IWMF at the TTAL site

Table 14.6 Implementation Schedule for Landscape and Visual Measures for TTAL Site

Table 14.7 Implementation Schedule for Landfill Gas Measures for the IWMF at the TTAL site

Table 14.8 Implementation Schedule for Air Quality Measures for the IWMF at the artificial island near SKC

Table 14.9 Implementation Schedule for Noise Impact Measures for the IWMF at the artificial island near SKC

Table 14.10 Implementation Schedule for Water Quality Measures for the Artificial Island near SKC

Table 14.11 Implementation Schedule for Waste Quality Measures for the IWMF at the artificial island near SKC

Table 14.12 Implementation Schedule for Ecological Quality Measures for the IWMF at the artificial island near SKC

Table 14.13 Implementation Schedule for Fisheries Measures for the IWMF at the artificial island near SKC

Table 14.14 Implementation Schedule for Landscape and Visual Measures for the IWMF at the artificial island near SKC

Table 15.1 Summary of Key Environmental Outcomes / Benefits and Environmental Performance Comparison

VOLUME 2: APPENDICES 3.1 – 3.12

List of Appendices

Appendix 3.1 Comparison of Target Emission Levels with other Relevant Standards

Appendix 3.2 Detailed Calculations of Emissions from the IWMF

Appendix 3.3 Detailed Calculations of Marine Emission for the IWMF at the Artificial Island near Shek Kwu Chau

Appendix 3.4 Summary of Emission Inventory for ISC Modelling

Appendix 3.5 Summary of Emission Inventory for PATH Modelling

Appendix 3.6 Marine Emission for PATH model

Appendix 3.7 Key Assumptions for EMFAC-HK Model

Appendix 3.8 Summary of Vehicle Emissions for the Territory of Hong Kong

Appendix 3.9 Detailed Calculations of Odour Emission

Appendix 3.10 Wind Tunnel Testing Report

Appendix 3.11 Plots of the Predicted Concentration from PATH model

Appendix 3.12 Detailed Assessment Results for Identified Potential Hot Spot Areas

VOLUME 3: APPENDICES 4.1 – 12a.1

List of Appendices

Appendix 4.1 Photographs of Representative Noise Sensitive Receivers at Shek Kwu Chau Site

Appendix 4.2 Response Letter from Transport Department

Appendix 4.3 Locations of Notional Source and Distance for NSRs

Appendix 4.4 Powered Mechanical Equipment (PME) for the Different Construction Tasks

Appendix 4.5 Details of Construction Noise Calculations (Unmitigated)

Appendix 4.6 Predicted Operation Noise Levels

Appendix 5.1 Baseline Sedimentation Rates within the Study Area

Appendix 5.2 Not Used

Appendix 5.3 Typical Sediment Removal Facility (Extracted from ProPECC PN 1/94 "Construction Site Drainage")

Appendix 5.4 Not Used

Appendix 5.5 Application of Silt Curtains for Construction and Operation of the Shek Kwu Chau Faciliities

Appendix 6.1 Sediment / PFA Sampling and Testing Plan

Appendix 7a.1 Rapid Ecological Assessment Methodolgy

Appendix 7a.2 Representative Photographs showing the Habitats in Tsang Tsui site

Appendix 7a.3 Condition of Middle Lagoon during Survey Period

Appendix 7a.4 Condition of East Lagoon during Survey Period

Appendix 7a.5 Flora Recorded in Tsang Tsui Study Area

Appendix 7a.6 Floral Species of Conservation Interest in Tsang Tsui Study Area

Appendix 7a.7 Fauna Recorded in Tsang Tsui Study Area

Appendix 7a.8 Faunal Species of Conservation Interest in Tsang Tsui Study Area

Appendix 7b.1 Representative Photographs of Habitats at Shek Kwu Chau

Appendix 7b.2 Rapid Ecological Assessment Methodology

Appendix 7b.3 Representative Photographs of Coral Communities at Shek Kwu Chau

Appendix 7b.4 Photographs of Fauna Species of Conservation Interest at Shek Kwu Chau

Appendix 7b.5 Flora Species Recorded within the Study Area at Shek Kwu Chau

Appendix 7b.6 Fauna Species recorded within the Study Area at Shek Kwu Chau

Appendix 7b.7 Fauna Species recorded during the Cover Board Survey at Shek Kwu Chau

Appendix 7b.8 Detailed Benthos Survey Results for Shek Kwu Chau

Appendix 7b.9 Line-Transect Survey Effort for Finless Porpoise

Appendix 7b.10 Detailed Marine Mammal Survey Results

Appendix 7b.11 Detailed Results of Spot Check Dive & REA Transects at Shek Kwu Chau

Appendix 7b.12 Representative Photographs of Habitats at Cheung Sha

Appendix 7b.13 Photographs of Flora and Fauna Species of Conservation Interest at Cheung Sha

Appendix 7b.14 Flora Species Recorded within the Study Area at Cheung Sha

Appendix 7b.15 Fauna Species recorded within the Study Area at Cheung Sha

Appendix 7b.16 Detailed Benthos Survey Results for the Submarine Cable Alignment Cheung Sha

Appendix 7b.17 Detailed Description of Spot Check Dive Results at Cheung Sha

Appendix 9.1 Equations for Evaluating Exposure and Risk

Appendix 9.2 Not Used

Appendix 9.3 Predicted Concentration and Percentage of Averaged Project Contribution

Appendix 9.4 Predicted Annual Concentrations of the Other COPCs

Appendix 9.5 Predicted Total Cancer Risk and Hazard Quotient

Appendix 9.6 Predicted Acute Concentrations of the Other COPCs

Appendix 9.7 Predicted Maximum Permitted Concentration of Certain Metals in Foods

Appendix 11a.1 Inventory of Cultural Heritage Sites for the TTAL site

Appendix 11b.1 Results of Hydrographic Office Wreck Search

Appendix 11b.2 Geophysical Survey Charts and Images of Sonar and Seismic Contacts

Appendix 11b.3 Inventory of Cultural Heritage Sites for the artificial island near SKC

Appendix 12a.1 EPD/TR8/97 Landfill Gas Hazard Assessment Guidance Note, Chapter 8

VOLUME 4: FIGURES

List of Figures

Figure 1.1 Location of the IWMF at the Tsang Tsui Ash Lagoons Site

Figure 1.2 Location of the IWMF at the Artificial Island near Shek Kwu Chau

Figure 2.1 Areas of Exclusion for Development of the IWMF

Figure 2.2 Shortlisted Sites for the IWMF in Site Search Study

Figure 2.3 General Layout of the IWMF at Tsang Tsui Ash Lagoons Site

Figure 2.4 General Layout of the IWMF at the Artificial Island near Shek Kwu Chau

Figure 2.5 Potential Alignment of Submarine Cables for Electricity Export from the IWMF at the Artificial Island near Shek Kwu Chau

Figure 2.6 Location Plan and Construction Sequence for Seawall, Reclamation and Breakwater at the Artificial Island near Shek Kwu Chau

Figure 2.7 Construction Details of Cellular Cofferdams

Figure 3a.1 Locations of Air Sensitive Receviers (TTAL site)

Figure 3a.2 Locations of Emission Sources (TTAL site)

Figure 3a.3a Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (TTAL site)

Figure 3a.3b Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³ - Tuen Mun (TTAL site)

Figure 3a.3c Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³ - North Lantau (TTAL site)

Figure 3a.3d Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³ - Kwai Tsing District (TTAL site)

Figure 3a.4a Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (TTAL site)

Figure 3a.4b Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Tuen Mun (TTAL site)

Figure 3a.4c Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- North Lantau (TTAL site)

Figure 3a.4d Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Kwai Tsing District (TTAL site)

Figure 3a.5a Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (TTAL site)

Figure 3a.5b Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Tuen Mun (TTAL site)

Figure 3a.5c Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- North Lantau (TTAL site)

Figure 3a.5d Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Kwai Tsing District (TTAL site)

Figure 3a.6a Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (TTAL site)

Figure 3a.6b Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Tuen Mun (TTAL site)

Figure 3a.6c Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- North Lantau (TTAL site)

Figure 3a.6d Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Kwai Tsing District (TTAL site)

Figure 3a.7a Contours of Cumulative Annual Average RSP Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (TTAL site)

Figure 3a.7b Contours of Cumulative Annual Average RSP Concentration in mg/m³- Tuen Mun (TTAL site)

Figure 3a.7c Contours of Cumulative Annual Average RSP Concentration in mg/m³ - North Lantau (TTAL site)

Figure 3a.7d Contours of Cumulative Annual Average RSP Concentration in mg/m³- Kwai Tsing District (TTAL site)

Figure 3b.1 Locations of Air Sensitive Receviers (Artificial Island near Shek Kwu Chau)

Figure 3b.2 Locations of Emission Sources (Artificial Island near Shek Kwu Chau)

Figure 3b.3a Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- Shek Kwu Chau (Artificial Island near Shek Kwu Chau)

Figure 3b.3b Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- South Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.3c Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- North Lantau(Artificial Island near Shek Kwu Chau)

Figure 3b.3d Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- Kwai Tsing District (Artificial Island near Shek Kwu Chau)

Figure 3b.4a Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Shek Kwu Chau (Artificial Island near Shek Kwu Chau)

Figure 3b.4b Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³ - South Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.4c Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- North Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.4d Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Kwai Tsing District (Artificial Island near Shek Kwu Chau)

Figure 3b.5a Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Shek Kwu Chau (Artificial Island near Shek Kwu Chau)

Figure 3b.5b Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- South Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.5c Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- North Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.5d Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Kwai Tsing District (Artificial Island near Shek Kwu Chau)

Figure 3b.6a Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Shek Kwu Chau (Artificial Island near Shek Kwu Chau)

Figure 3b.6b Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- South Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.6c Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- North Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.6d Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Kwai Tsing District (Artificial Island near Shek Kwu Chau)

Figure 3b.7a Contours of Cumulative Annual Average RSP Concentration in mg/m³- Shek Kwu Chau (Artificial Island near Shek Kwu Chau)

Figure 3b.7b Contours of Cumulative Annual Average RSP Concentration in mg/m³- South Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.7c Contours of Cumulative Annual Average RSP Concentration in mg/m³- North Lantau (Artificial Island near Shek Kwu Chau)

Figure 3b.7d Contours of Cumulative Annual Average RSP Concentration in mg/m³- Kwai Tsing District (Artificial Island near Shek Kwu Chau)

Figure 3c.1 Not Used

Figure 3c.2 Not Used

Figure 3c.3a Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.3b Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- Tuen Mun (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.3c Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- North Lantau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.3d Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- Kwai Tsing District (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.3e Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- Shek Kwu Chau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.3f Contours of Cumulative Maximum 1-hr Average NO₂ Concentration in mg/m³- South Lantau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.4a Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.4b Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Tuen Mun (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.4c Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- North Lantau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.4d Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Kwai Tsing District (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.4e Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- Shek Kwu Chau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.4f Contours of Cumulative Maximum Daily Average NO₂ Concentration in mg/m³- South Lantau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.5a Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.5b Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Tuen Mun (Co-exist Scenario:TTAL site & Artificial Island near SKC)

Figure 3c.5c Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- North Lantau (Co-exist Scenario:TTAL site & Artificial Island near SKC)

Figure 3c.5d Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Kwai Tsing District (Co-exist Scenario:TTAL site & Artificial Island near SKC)

Figure 3c.5e Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- Shek Kwu Chau (Co-exist Scenario:TTAL site & Artificial Island near SKC)

Figure 3c.5f Contours of Cumulative Annual Average NO₂ Concentration in mg/m³- South Lantau (Co-exist Scenario:TTAL site & Artificial Island near SKC)

Figure 3c.6a Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.6b Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Tuen Mun (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.6c Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- North Lantau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.6d Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Kwai Tsing District (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.6e Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- Shek Kwu Chau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.6f Contours of Cumulative Maximum Daily Average RSP Concentration in mg/m³- South Lantau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.7a Contours of Cumulative Annual Average RSP Concentration in mg/m³- Nim Wan and Lung Kwu Sheung Tan (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.7b Contours of Cumulative Annual Average RSP Concentration in mg/m³- Tuen Mun (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.7c Contours of Cumulative Annual Average RSP Concentration in mg/m³- North Lantau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.7d Contours of Cumulative Annual Average RSP Concentration in mg/m³- Kwai Tsing District (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.7e Contours of Cumulative Annual Average RSP Concentration in mg/m³- Shek Kwu Chau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 3c.7f Contours of Cumulative Annual Average RSP Concentration in mg/m³ - South Lantau (Co-exist Scenario: TTAL site & Artificial Island near SKC)

Figure 4a.1 Offsite Traffic Noise Assessment Area and Noise Sensitive Receivers

Figure 4b.1 Locations of Representative Noise Sensitive Receivers at the Artificial Island near SKC

Figure 4b.2 Locations of Fixed Noise Sources at the Artificial Island near SKC

Figure 5a.1 Locations of Water Sensitive Receivers

Figure 5a.2 Location of Outfall for Concentrated Brine

Figure 5b.1 Locations of Water Quality Sensitive Receivers

Figure 5b.2 Proposed Reclamation Site at the Artificial Island near SKC

Figure 5b.3 Proposed Submarine Cable Alignment Option from the Artificial Island near SKC to CLP Power Grid

Figure 5b.4 Recommended Extent and Dredging Rate of Dredging for Anti-scouring Protection Layer

Figure 5b.5 Proposed Phasing of the Reclamation and Construction of Breakwater

Figure 5b.6 Location of Outfall for Concentrated Brine

Figure 5b.7 Concurrent Marine Work at South Lantau

Figure 5b.8 Recommended Extent and Dredging Rate for the Maintenance Dredging

Figure 5b.9 Extent of Filling before Closing of Seawall and Predicted Maximum Extent of SS Mixing Zone for Reclamation

Figure 6b.1 As-Built Sampling Locations at the Artificial Island near Shek Kwu Chau

Figure 7a.1 General Layout of the IWMF at the Tsang Tsui Ash Lagoon Site

Figure 7a.2 Locations of Ecological Surveys at Tsang Tsui Ash Lagoon Site

Figure 7a.3 Habitat Map for Tsang Tsui Ash Lagoon site

Figure 7a.4 Breeding Activities of Little Grebe Recorded within Ash Lagoons

Figure 7a.5 Hoarding Location during the Construction of Compensatory Habitat for Little Grebe

Figure 7a.6 Hoarding Location after the Establishment of Compensatory Habitat for Little Grebe

Figure 7a.7 Boundary Wall Location during Operation Phase

Figure 7b.1 Habitat Map and Species of Conservation Importance at Shek Kwu Chau

Figure 7b.2 Habitat Map and Species of Conservation Importance at Cheung Sha

Figure 7b.3 Marine Ecological Study Area

Figure 7b.4 Locations of Ecological Surveys at Shek Kwu Chau

Figure 7b.5 Locations of Ecological Surveys at Cheung Sha

Figure 7b.6 Locations of Benthos Sampling Sites along the Submarine Cable Alignment

Figure 7b.7 Cover Board Survey Locations at Shek Kwu Chau

Figure 7b.8 Marine Mammal Line Transect Surveys

Figure 7b.9 REA Transects at Shek Kwu Chau

Figure 7b.10 Distribution of Finless Porpoise Sighting in Hong Kong between 2004 and 2010

Figure 7b.11 Seasonal Distribution of Finless Porpoise Sightings in Hong Kong between 2004 and 2009

Figure 7b.12 SPSE and DPSE of Finless Porpoise in Hong Kong between 2004 and 2009

Figure 7b.13 Distribution of Finless Porpoise Sighting in Southeast Lantau between December 2008 and May 2009

Figure 7b.14 Original Layout Plan at Shek Kwu Chau

Figure 7b.15 Indicative Travel Route for IWMF Vessels

Figure 8a.1 Locations of Key Fisheries Sensitive Receivers at North Western and Deep Bay Water Control Zones

Figure 8b.1 Locations of Key Fisheries Sensitive Receivers at Southern Water Control Zone

Figure 9.1 Location of Radon Progeny

Figure 10a.1 IWMF at Tsang Tsui Lagoon Site - Outline Zoning Plan

Figure 10a.2 IWMF at Tsang Tsui Ash Lagoon - Landscape Resource Plan

Figure 10a.3 IWMF at Tsang Tsui Lagoon Site - Photos of Landscape Resources (Sheet 1 of 2)

Figure 10a.4 IWMF at Tsang Tsui Lagoon Site - Photos of Landscape Resources (Sheet 2 of 2)

Figure 10a.5 IWMF at Tsang Tsui Ash Lagoon - Landscape Character Area Plan

Figure 10a.6 IWMF at Tsang Tsui Lagoon Site - Photos of Landscape Character Areas

Figure 10a.7 IWMF at Tsang Tsui Ash Lagoon - Visual Sensitive Receiver Plan

Figure 10a.8 IWMF at Tsang Tsui Lagoon Site - Photos of Visual Sensitive Receivers

Figure 10a.9 IWMF Phase 1 at Tsang Tsui Lagoon - Landscape and Visual Mitigation Measures Plan

Figure 10a.10 Existing Condition of IWMF at Tsang Tsui Lagoon viewed from VSR 1 - Footpath Uphill

Figure 10a.11 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 1 - Footpath Uphill in Unmitigated Scenario

Figure 10a.12 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 1 - Footpath Uphill in Day 1 Operation

Figure 10a.13 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 1 - Footpath Uphill in Year 10 Operation

Figure 10a.14 Existing Condition of IWMF at Tsang Tsui Lagoon viewed from VSR 3 - Sludge Treatment Facilities

Figure 10a.15 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 3 - Sludge Treatment Facilities in Unmitigated Scenario

Figure 10a.16 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 3 - Sludge Treatment Facilities in Day 1 Operation

Figure 10a.17 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 3 - Sludge Treatment Facilities in Year 10 Operation

Figure 10a.18 Existing Condition of IWMF at Tsang Tsui Lagoon viewed from VSR 4 - Sea of Deep Bay

Figure 10a.19 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 4 - Sea of Deep Bay in Unmitigated Scenario

Figure 10a.20 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 4 - Sea of Deep Bay in Day 1 Operation

Figure 10a.21 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 4 - Sea of Deep Bay in Year 10 Operation

Figure 10a.22 Existing Condition of IWMF at Tsang Tsui Lagoon viewed from VSR 5 - Ha Pak Nai

Figure 10a.23 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 5 - Ha Pak Nai in Unmitigated Scenario

Figure 10a.24 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR 5 - Ha Pak Nai in Day 1 Operation

Figure 10a.25 Photomontage for IWMF at Tsang Tsui Lagoon viewed from VSR5 - Ha Pak Nai in Year 10 Operation

Figure 10b.1 IWMF at the Artificial Island near SKC - Landscape Resource Plan

Figure 10b.2 IWMF at the Artificial Island near SKC - Photos of Landscape Resources

Figure 10b.3 IWMF at the Artificial Island near SKC - Landscape Character Area Plan

Figure 10b.4 IWMF at the Artificial Island near SKC - Photos of Landscape Character Areas

Figure 10b.5 IWMF at the Artificial Island near SKC - Visual Sensitive Receiver Plan (Sheet 1 of 2)

Figure 10b.6 IWMF at the Artificial Island near SKC - Visual Sensitive Receiver Plan (Sheet 2 of 2)

Figure 10b.7 IWMF at the Artificial Island near SKC - Photos of Visual Sensitive Receivers (Sheet 1 of 3)

Figure 10b.8 IWMF at the Artificial Island near SKC - Photos of Visual Sensitive Receivers (Sheet 2 of 3)

Figure 10b.9 IWMF at the Artificial Island near SKC - Photos of Visual Sensitive Receivers (Sheet 3 of 3)

Figure 10b.10 IWMF at the Artificial Island near SKC - Landscape and Visual Mitigation Measures Plan

Figure 10b.11 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 1 - Footpath along the Hill

Figure 10b.12 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 1 - Footpath along the Hill in Unmitigated Scenario

Figure 10b.13 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 1 - Footpath along the Hill in Day 1 Operation

Figure 10b.14 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 1 - Footpath along the Hill in Year 10 Operation

Figure 10b.15 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 2 - Shun House

Figure 10b.16 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 2 - Shun House in Unmitigated Scenario

Figure 10b.17 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 2 - Shun House in Day 1 Operation

Figure 10b.18 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 2 - Shun House in Year 10 Operation

Figure 10b.19 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 3 - Administration and Residential Building Cluster

Figure 10b.20 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 3 - Administration and Residential Building Cluster in Unmitigated Scenario

Figure 10b.21 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 3 - Administration and Residential Building Cluster in Day 1 Operation

Figure 10b.22 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 3 - Administration and Residential Building Cluster in Year 10 Operation

Figure 10b.23 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 4 - Sea

Figure 10b.24 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 4 - Sea in Unmitigated Scenario

Figure 10b.25 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 4 - Sea in Day 1 Operation

Figure 10b.26 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 4 - Sea in Year 10 Operation

Figure 10b.27 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 5 - Cheung Sha, South Lantau Island

Figure 10b.28 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 5 - Cheung Sha, South Lantau Island in Unmitigated Scenario

Figure 10b.29 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 5 - Cheung Sha, South Lantau Island in Day 1 Operation

Figure 10b.30 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 5 - Cheung Sha, South Lantau Island in Year 10 Operation

Figure 10b.31 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 6 - Cheung Po Tsai Cave, Cheung Chau

Figure 10b.32 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 6 - Cheung Po Tsai Cave, Cheung Chau in Unmitigated Scenario

Figure 10b.33 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 6 - Cheung Po Tsai Cave, Cheung Chau in Day 1 Operation

Figure 10b.34 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR6 - Cheung Po Tsai Cave, Cheung Chau in Year 10 Operation

Figure 10b.35 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 7 - Cheung Chau Ferry Pier

Figure 10b.36 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 7 - Cheung Chau Ferry Pier in Unmitigated Scenario

Figure 10b.37 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 7 - Cheung Chau Ferry Pier in Day 1 Operation

Figure 10b.38 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR7 - Cheung Chau Ferry Pier in Year 10 Operation

Figure 10b.39 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 8 - Pui O Beach

Figure 10b.40 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 8 - Pui O Beach in Unmitigated Scenario

Figure 10b.41 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 8 - Pui O Beach in Day 1 Operation

Figure 10b.42 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR8 - Pui O Beach in Year 10 Operation

Figure 10b.43 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 9 - Lantau Trail Stage 2

Figure 10b.44 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 9 - Lantau Trail Stage 2 in Unmitigated Scenario

Figure 10b.45 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 9 - Lantau Trail Stage 2 in Day 1 Operation

Figure 10b.46 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR9 - Lantau Trail Stage 2 in Year 10 Operation

Figure 10b.47 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 10 - Lantau Trail Stage 3

Figure 10b.48 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 10 - Lantau Trail Stage 3 in Unmitigated Scenario

Figure 10b.49 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 10 - Lantau Trail Stage 3 in Day 1 Operation

Figure 10b.50 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR10 - Lantau Trail Stage 3 in Year 10 Operation

Figure 10b.51 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 11 - Tong Fuk Beach

Figure 10b.52 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 11 - Tong Fuk Beach in Unmitigated Scenario

Figure 10b.53 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 11 - Tong Fuk Beach in Day 1 Operation

Figure 10b.54 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR11 - Tong Fuk Beach in Year 10 Operation

Figure 10b.55 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 12 - Sea Course between Hong Kong and Macua/Zhongshan

Figure 10b.56 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 12- Sea Course between Hong Kong and Macua/Zhongshan in Unmitigated Scenario

Figure 10b.57 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 12- Sea Course between Hong Kong and Macua/Zhongshan in Day 1 Operation

Figure 10b.58 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR12- Sea Course between Hong Kong and Macua/Zhongshan in Year 10 Operation

Figure 10b.59 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 13 - Chi Ma Wan Trail - Yi Long Wan

Figure 10b.60 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 13 - Chi Ma Wan Trail - Yi Long Wan in Unmitigated Scenario

Figure 10b.61 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 13 - Chi Ma Wan Trail - Yi Long Wan in Day 1 Operation

Figure 10b.62 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR13 - Chi Ma Wan Trail - Yi Long Wan in Year 10 Operation

Figure 10b.63 Existing Condition of IWMF at the Artificial Island near SKC viewed from VSR 14 - Tai Long Wan

Figure 10b.64 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 14 - Tai Long Wan in Unmitigated Scenario

Figure 10b.65 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 14 - Tai Long Wan in Day 1 Operation

Figure 10b.66 Photomontage of IWMF at the Artificial Island near SKC viewed from VSR 14 - Tai Long Wan in Year 10 Operation

Figure 10b.67 Existing Condition of IWMF at the Artificial Island near SKC - Bird's eye View

Figure 10b.68 Photomontage of IWMF at the Artificial Island near SKC - Bird's eye View in Unmitigated Scenario

Figure 10b.69 Photomontage of IWMF at the Artificial Island near SKC - Bird's eye View in Day 1 Operation

Figure 10b.70 Photomontage of IWMF at the Artificial Island near SKC - Bird's eye View in Year 10 Operation

Figure 11a.1 Location of the Built Heritage and Archaeological Sites (TTAL Site)

Figure 11b.1 Study Area for Marine Archaeological Investigation

Figure 11b.2 British Admiralty Chart 1899 and Chart of Islands S.E. of Lantau 1786

Figure 11b.3 Locations of Sonar and Seismic Contacts in the MAI Study Area

Figure 11b.4 Location of the Built Heritage Resources at Shek Kwu Chau

Figure 11b.5 Location of Built Heritage Sites at Shek Kwu Chau

Figure 12a.1 General Layout of the IWMF Phase 1 at the Tsang Tsui Ash Lagoon Site

Figure 12a.2 Location of the WENT Landfill Extensions Phases

Figure 12a.3 Longitudinal Section of the Incineration Plant at the Tsang Tsui Ash Lagoon Site and the Artificial Island near SKC

Figure 12a.4 Outline of a Landfill Gas Cut-Off Barrier

Figure 12a.5 Typical Design of LFG Cut-Off Trench Barrier

Figure 12a.6 Indicative Location of the Proposed Cut-Off Trench Barrier

Figure 12a.7 Subfloor Venting

Figure 12a.8 Open Conduit Protection by Water Seal (Longitudinal-Section)

Figure 12a.9 Typical Detail of Collar Seal (Cross-Section)

Figure 12a.10 Vented Manhole (Cross-Section)