TABLE OF CONTENTS

 

1          INTRODUCTION.................................................................................................................. 1-1

1.1        Project Background........................................................................................... 1-1

1.2        Designated Projects.......................................................................................... 1-1

1.3        Objectives of the EIA Report.............................................................................. 1-1

1.4        Scope of the EIA Report.................................................................................... 1-2

1.5        Structure of the EIA Report................................................................................ 1-3

2          PROJECT DESCRIPTION.................................................................................................... 2-1

2.1        Description of Site Location of the Project and History........................................ 2-1

2.2        Size, Scale, Shape and Design of the Project..................................................... 2-1

2.3        Benefits of the Project....................................................................................... 2-1

2.4        The Need and Justification of the Project............................................................ 2-1

2.5        “Without Project” Scenario – Franchised Bus Approach........................................ 2-2

2.6        Alternative Options............................................................................................ 2-2

2.7        Selected Option................................................................................................. 2-4

2.8        Consequences of Not Proceeding with the Project.............................................. 2-6

2.9        Construction Methods and Engineering Requirements.......................................... 2-7

2.10      Works Programme........................................................................................... 2-10

2.11      Concurrent Projects.......................................................................................... 2-10

2.12      Public Concern................................................................................................ 2-11

3          AIR QUALITY IMPACT........................................................................................................ 3-1

3.1        Introduction....................................................................................................... 3-1

3.2        Environmental Legislation, Policies, Plans, Standards and Criteria........................ 3-1

3.3        Baseline Conditions and Future Trends............................................................... 3-2

3.4        Identification of Air Sensitive Receivers.............................................................. 3-3

3.5        Identification of Environmental Impacts............................................................... 3-4

3.6        Prediction and Evaluation of Environmental Impact............................................. 3-5

3.7        Mitigation of Environmental Impact..................................................................... 3-6

3.8        Evaluation of Residual Environmental Impacts.................................................... 3-6

3.9        Environmental Monitoring and Audit.................................................................... 3-6

3.10      Conclusion........................................................................................................ 3-6

4          NOISE IMPACTS................................................................................................................ 4-1

4.1        Introduction....................................................................................................... 4-1

4.2        Environmental Legislation, Policies, Plans, Standards and Criteria........................ 4-1

4.3        Description of the Environment.......................................................................... 4-3

4.4        Noise Sensitive Receivers.................................................................................. 4-3

4.5        Evaluation of Noise Impact and Mitigation Measures........................................... 4-4

4.6        Environmental Monitoring and Audit Requirements.............................................. 4-4

4.7        Conclusion........................................................................................................ 4-5

5          WATER QUALITY IMPACT.................................................................................................. 5-1

5.1        Introduction....................................................................................................... 5-1

5.2        Environmental Legislation, Policies, Plans, Standards and Criteria........................ 5-1

5.3        Water Sensitive Receivers.................................................................................. 5-4

5.4        Description of the Environment and Baseline Conditions..................................... 5-4

5.5        Identification of Potential Impacts....................................................................... 5-7

5.6        Assessment Approach and Methodology............................................................ 5-7

5.7        Prediction and Evaluation of Environmental Impacts.......................................... 5-10

5.8        Cumulative Impacts from Concurrent Project..................................................... 5-15

5.9        Mitigation of Environmental Impacts................................................................. 5-15

5.10      Evaluation of Residual Impacts......................................................................... 5-19

5.11      Environmental Monitoring and Audit.................................................................. 5-19

5.12      Conclusion...................................................................................................... 5-19

6          WASTE MANAGEMENT IMPLICATIONS.............................................................................. 6-1

6.1        Introduction....................................................................................................... 6-1

6.2        Environmental Legislation, Standards and Guidelines.......................................... 6-1

6.3        Description of the Environment.......................................................................... 6-4

6.4        Identification and Evaluation of Waste Management Implications......................... 6-4

6.5        Mitigation of Adverse Waste Management Implications...................................... 6-12

6.6        Evaluation of Residual Environmental Impacts................................................... 6-17

6.7        Environmental Monitoring and Audit Requirement.............................................. 6-17

6.8        Conclusion...................................................................................................... 6-17

7          MARINE ECOLOGICAL IMPACT.......................................................................................... 7-1

7.1        Introduction....................................................................................................... 7-1

7.2        Environmental Legislation, Standards and Guidelines.......................................... 7-1

7.3        Assessment Methodology.................................................................................. 7-2

7.4        Description of the Environment.......................................................................... 7-5

7.5        Evaluation of Baseline Ecological Value............................................................ 7-12

7.6        Impact Assessment and Evaluation................................................................... 7-14

7.7        Cumulative impacts from Concurrent Projects ................................................... 7-20

7.8        Mitigation Measures and Precautionary Measures.............................................. 7-23

7.9        Residual Impacts............................................................................................. 7-24

7.10      Environmental Monitoring and Audit Requirements............................................. 7-24

7.11      Conclusion...................................................................................................... 7-24

7.12      Reference........................................................................................................ 7-25

8          LANDSCAPE AND VISUAL IMPACTS.................................................................................. 8-1

8.1        Introduction....................................................................................................... 8-1

8.2        Environmental Legislation, Standards and Criteria................................................ 8-1

8.3        Landscape Assessment Methodology................................................................ 8-2

8.4        Visual Impact Assessment Methodology............................................................. 8-4

8.5        Review of Planning and Development Control Framework.................................... 8-7

8.6        Baseline Study.................................................................................................. 8-8

8.7        Landscape Impact Assessment........................................................................ 8-13

8.8        Visual Impact Assessment................................................................................ 8-14

8.9        Landscape and Visual Mitigation Measures....................................................... 8-19

8.10      Residual Impact............................................................................................... 8-23

8.11      Cumulative Impacts.......................................................................................... 8-30

8.12      Environmental Monitoring and Audit.................................................................. 8-31

8.13      Conclusion...................................................................................................... 8-31

9          IMPACT OF CULTURAL HERITAGE.................................................................................... 9-1

9.1        Introduction....................................................................................................... 9-1

9.2        Environmental Legislations, Standards and Guidelines......................................... 9-1

9.3        Assessment Methodology.................................................................................. 9-2

9.4        Baseline Conditions........................................................................................... 9-2

9.5        Previous Marine Archaeological Survey Results................................................... 9-4

9.6        Review of the Past Marine Archaeological Investigations..................................... 9-6

9.7        Impact Assessment........................................................................................... 9-8

9.8        Mitigation Measures........................................................................................... 9-8

9.9        Environmental Monitoring and Audit.................................................................... 9-8

9.10      Conclusion........................................................................................................ 9-9

10         ENVIRONMENTAL MONITORING AND AUDIT REQUIREMENTS......................................... 10-1

10.1      Introduction..................................................................................................... 10-1

10.2      Air Quality........................................................................................................ 10-1

10.3      Noise.............................................................................................................. 10-1

10.4      Water Quality................................................................................................... 10-1

10.5      Waste Management.......................................................................................... 10-2

10.6      Ecology.......................................................................................................... 10-2

10.7      Landscape and Visual...................................................................................... 10-2

10.8      Cultural Heritage............................................................................................... 10-3

11         SUMMARY OF ENVIRONMENTAL OUTCOMES................................................................. 11-1

11.1      Overview......................................................................................................... 11-1

11.2      Environmental Benefits of the Project............................................................... 11-1

11.3      Incorporation of Environmentally Friendly Options............................................. 11-1

11.4      Environmental Design Recommended............................................................... 11-2

11.5      Key Environmental Problems Avoided and Environmentally Sensitive Areas Protected     11-2

11.6      Environmental Protection Measures Recommended........................................... 11-3

11.7      Estimation of Population Protected.................................................................. 11-5

12         CONCLUSION................................................................................................................... 12-1

12.1      Conclusion of EIA Study.................................................................................. 12-1

 


 

TABLES

Table 2.1          Summary of Passenger Convenience Considerations

Table 2.2          Summary of Engineering Considerations

Table 2.3          Summary of Environmental Considerations

Table 2.4          Merits and Demerits of the Construction Methods for the Proposed Bonded Vehicular Bridge

Table 2.5          Summary of the other Projects in the Vicinity of the Project Site

Table 3.1          Hong Kong Air Quality Objectives

Table 3.2          Average Concentrations of Pollutant in the Recent Five Years (Year 2013 - 2017) at Tung Chung EPD Air Quality Monitoring Station

Table 3.3          Relevant Air Pollutant Concentrations extracted from PATH-2016 Model

Table 3.4          Identified Air Sensitive Receivers

Table 4.1          Area Sensitivity Ratings

Table 4.2          Noise Criteria for Daytime Construction Noise

Table 4.3          Basic Noise Levels (BNLs)

Table 4.4          Identified Noise Sensitive Receivers

Table 5.1          Summary of Water Quality Objectives for North Western WCZ

Table 5.2          Summary of Water Quality Statistics for the North Western WCZ in 2016

Table 5.3          Coastal Developments Incorporated in Water Quality Modelling Scenarios

Table 5.4          Depth Averaged Current Velocities at Assessment Points

Table 5.5          Comparison Results of Momentary Flow at Representative Cross-sections

Table 5.6          Comparison Results of Accumulated Flow at Representative Cross-sections

Table 6.1          Summary of C&D Materials Quantities Generated

Table 6.2          Summary of Chemical Screening Results

Table 6.3          Summary of Biological Screening Results

Table 6.4          Number of Relevant Sediment Samples under each Sediment Category in the EIA Study for HZMB HKBCF

Table 6.5          Summary of Sediment Quantities Generated and Recommended Handling Methods

Table 6.6          Tentative Transportation Routings for Waste Disposal during Construction Phase

Table 7.1          Baseline Information of Ecological Resources in the Assessment Area

Table 7.2          Ecological Survey Schedule

Table 7.3          Physical Parameters of the Spot-Check Dive Locations

Table 7.4          Physical Parameters of the REA Transects

Table 7.5          Transects Ranking of Percentage Cover of Ecological and Substratum Attributes of the REA Transects

Table 7.6          Total Abundance and Biomass of Each Phylum

Table 7.7          Five Most Abundant Fauna at Each Sampling Site

Table 7.8          Number of Species, Abundance, Biomass, Species Diversity and Evenness at Each Sampling Site

Table 7.9          Mean Species Diversity (H’) and Species Evenness (J) of Benthic Communities at Different Waters

Table 7.10        Intertidal Species Recorded during the Walk-Through Survey

Table 7.11        Evaluation of the Subtidal Hard Substrate Habitat within the Assessment Area

Table 7.12        Evaluation of the Subtidal Soft Bottom Habitat within the Assessment Area

Table 7.13        Evaluation of the Intertidal Habitat within the Assessment Area

Table 7.14        Evaluation of the Marine Waters within the Assessment Area

Table 7.15        Species of Conservation Importance Recorded within the Assessment Area during the Previous and Recent Surveys

Table 7.16        Evaluation of Ecological Impacts on Marine Habitats within the Assessment Area

Table 7.17        Summary of Potential Concurrent Projects during Construction and Operation Phases

Table 8.1          Relationship between Landscape Sensitivity to Change and Magnitude of Change in Defining Impact Significance

Table 8.2          Relationship between VSRs Sensitivity to Change and Magnitude of Change in Defining Impact Significance

Table 8.3          Summary of the Review of Planning and Development Control Framework

Table 8.4          Sensitivity to Change of the Landscape Resources

Table 8.5          Sensitivity of Landscape Character Area

Table 8.6          Baseline Visually Sensitive Receivers (VSRs) and their Sensitivity to Change

Table 8.7          Magnitude of Change on Landscape Resources (LRs) and Landscape Character Area (LCAs) under Unmitigated Condition

Table 8.8          Locations and Development Details of Permanent Man-made Structures

Table 8.9          Magnitude of Visual Changes during Construction and Operation Phases under Unmitigated Condition

Table 8.10        Landscape and Visual Mitigation Measures for Construction and Operation Phases

Table 8.11        Significance of Landscape Impacts during Construction and Operation Phases

Table 8.12        Significance of Visual Impacts during the Construction and Operation Phases Before and After Mitigated Condition

Table 8.13        Potential Cumulative Landscape and Visual Impact

Table 9.1          Details of the Identified Objects Recorded from MAI 2004

Table 9.2          Details of the Identified Objects from MAI 2008 HZMB-NLH

Table 9.3          Details of the Identified Objects by MAI 2008 HZMB-BCF within the 500m Boundary of this Project

Table 9.4          Marine Stratigraphy of the Project Area

Table 11.1        Summary of Key Environmental Problems Avoided and Sensitive Areas Protected

Table 11.2        Key Recommended Mitigation Measures

Table 12.1        Summary of Key Environmental Outcomes and Benefits

 

 

 


 

FIGURES

Figure 1.1         Location of the Project

Figure 2.1         Illustration of “Without Project” Scenario – Franchised Bus Approach, Route A

Figure 2.2         Illustration of “Without Project” Scenario – Franchised Bus Approach, Route B

Figure 2.3         Illustration of Option 1 – Bonded Vehicle on Public Road Approach

Figure 2.4         Illustration of Option 2 – Bonded Vehicle on Bonded Road Approach

Figure 2.5         Illustration of Option 3 – Bonded Vehicular Bridge Approach

Figure 2.6         Locations of Concurrent Projects

Figure 3.1         Assessment Area and Location of Identified ASRs

Figure 4.1         Assessment Area and Location of Identified NSRs

Figure 5.1         Indicative Locations of Representative Water Sensitive Receivers and Observation Points

Figure 5.2         Coastal Developments Incorporated in the Baseline and Proposed Scenarios

Figure 5.3         Locations of Indicator Points and Cross Sections

Figure 5.4         Locations of Assessment Points and Cross-sections

Figure 6.1         Proposed Excavated Sediment and as-Built Sampling Locations

Figure 7.1         Assessment Area and Marine Survey Locations

Figure 7.2         Habitat Map

Figure 8.1         Review of Planning Framework

Figure 8.2         Landscape Resources

Figure 8.3         Landscape Character Area

Figure 8.4         Photos of Landscape Resources and Landscape Character Areas

Figure 8.5         Locations of Visually Sensitive Receivers

Figure 8.6         Visually Sensitive Receivers Photos (Sheet 1 of 2)

Figure 8.7         Visually Sensitive Receivers Photos (Sheet 2 of 2)

Figure 8.8         Viewpoint 1 Photomontages

Figure 8.9         Viewpoint 2 Photomontages

Figure 8.10       Viewpoint 3 Photomontages

Figure 8.11       Viewpoint 4 Photomontages

Figure 8.12       Landscape and Visual Mitigation Plan (Sheet 1 of 2)

Figure 8.13       Landscape and Visual Mitigation Plan (Sheet 2 of 2)

Figure 9.1         Detail record of seabed East to Chek Lap Kok Island, 1856

Figure 9.2         Previous Marine Geophysical Survey Area

Figure 9.3         Photos of the Identified Objects by MAI 2008 HZMB-BCF within the 500m Assessment Area of This Project

 


 

APPENDICES

Appendix 1.1          Checklists for EIA Study Brief, Annexes 11 & 20 of EIAO-TM

Appendix 5.1          Model Grid Layout and Properties

Appendix 5.2          Mathematical Expressions for Pile Frictions

Appendix 5.3          Model Validation

Appendix 5.4          Hydrodynamic Modelling Results

Appendix  5.5         Schematic Diagram of Cofferdam and Steel Pile Casing with Silt Curtain

Appendix 6.1          Summary of Screening Results and Disposal Options

Appendix 6.2          Summary of Biological Screening Results

Appendix 6.3          Sediment Sampling and Testing Plan

Appendix 7.1          Rapid Ecological Assessment

Appendix 7.2          Representative Photographs from Dive Surveys

Appendix 7.3          Size, Health Condition and Translocation Feasibility of Coral Colonies found at REA Transects

Appendix 7.4          Representative Photographs from Intertidal Surveys

Appendix 7.5          Raw Data Recorded during the Intertidal Surveys at Dry Season

Appendix 7.6          Raw Data Recorded during the Intertidal Surveys at Wet Season

Appendix 7.7          List of Species Recorded during Benthos Surveys

Appendix 8.1          Broad Brush Tree Survey Plan and Schedule

Appendix 8.2          Indicative Location of Planned Trees to be Planted Under HKBCF

Appendix 10.1        Project Implementation Schedule

Appendix 12.1        Key Assessment Assumptions and Limitation of Assessment Methodologies

Appendix 12.2        Summary of Environmental Impacts