Tung Chung Line Extension

Environmental Impact Assessment Report

CONTENT

1 Introduction
1.1	Project Background
1.2	Site Location and History
1.3	The Project
1.4	EIA Study Brief
1.5	Designated Projects
1.6	Objectives of the EIA Study
1.7	Structure of this EIA Report
2 Project Description
2.1	Purposes and Objectives of the Project
2.2	Need of the Project
2.3	Scenarios "With" and "Without" the Project
2.4	Environmental Benefits of the Project
2.5	Considerations of Options
2.6	Tackling Environmental Challenges
2.7	Proposed Design for the Project
2.8	Environmental Initiatives
2.9	Collating and Addressing Public Views
2.10	Tentative Implementation Programme
2.11	Concurrent Projects
2.12	Summary of Environmental Benefits and Environmental Achievements of the Project
3 Air Quality
3.1	Legislation, Standards and Criteria
3.2	Description of the Environment
3.3	Representative Air Sensitive Receivers
3.4	Identification of Pollution Sources and Emission Inventory
3.5	Key Representative Pollutants
3.6	Assessment Methodology
3.7	Assessment Results
3.8	Good Site Practice and Recommended Mitigation Measures
3.9	Conclusion
4 Noise
4.1	Relevant Legislation, Standards and Criteria
4.2	Baseline Conditions
4.3	Noise Sensitive Receivers
4.4	Airborne Construction Noise Impact Assessment
4.5	Groundborne Construction Noise Impact Assessment
4.6	Airborne Rail Noise Assessment Impact Assessment
4.7	Groundborne Rail Noise Impact Assessment
4.8	Fixed Noise Sources Impact Assessment
4.9	Conclusion
5 Water Quality
5.1	Legislation, Standards, Guidelines and Criteria
5.2	Baseline Conditions
5.3	Representative Water Sensitive Receivers
5.4	Assessment Methodology
5.5	Identification and Evaluation of Environmental Impacts
5.6	Cumulative Impacts from Concurrent Project
5.7	Mitigation Measures Recommendations
5.8	Residual Impacts
5.9	Environmental Monitoring and Audit (EM&A)
5.10	Conclusion
6 Waste Management Implications
6.1	Legislation, Standards and Guidelines
6.2	Construction Phase
6.3	Operational Phase
6.4	Conclusion
7 Land Contamination
7.1	Legislation, Standards and Guidelines
7.2	Assessment Area
7.3	Agreed Land Contamination Review Report
7.4	Assessment Methodology
7.5	Desktop Review
7.6	Site Surveys
7.7	Information from Relevant Government Departments
7.8	Future Land Use
7.9	Identification of Potentially Contaminated Area
7.10	Conclusion
8 Ecology
8.1	Introduction
8.2	Legislation, Standards and Guidelines
8.3	Methodology
8.4	Ecological Baseline Conditions
8.5	Evaluation of Habitats and Species
8.6	Impact Identification and Prediction
8.7	Impact Evaluation
8.8	Cumulative Impacts from Concurrent Projects
8.9	Avoidance / Minimisation / Mitigation Measures
8.10	Residual Impacts
8.11	Environmental Monitoring and Audit (EM&A)
8.12	Conclusion
8.13	Reference
9 Fisheries
9.1	Legislation, Standards and Guidelines
9.2	Methodology for Baseline Establishment and Impact Assessment
9.3	Fisheries Baseline Conditions
9.4	Impact Identification and Evaluation
9.5	Cumulative Impacts
9.6	Mitigation Measures
9.7	Environmental Monitoring and Audit Requirement
9.8	Residual Impacts
9.9	Conclusion
9.10	Reference
10 Landscape and Visual
10.1	Legislation, Standards and Guidelines
10.2	Landscape Impact Assessment Methodology
10.3	Visual Impact Assessment Methodology
10.4	Review of Planning and Development Control Framework
10.5	Landscape Baseline Study
10.6	Visual Baseline Study
10.7	Landscape and Visual Impact Assessment before Mitigation
10.8	Landscape and Visual Mitigation Measures
10.9	Residual Landscape and Visual Impact upon Mitigation
10.10	Cumulative Impact
10.11	Conclusion
11 Cultural Heritage
11.1	Legislation, Standards and Guidelines
11.2	Overview of Construction Works
11.3	Assessment Area
11.4	Baseline Conditions
11.5	Archaeological Impact Assessment
11.6	Built Heritage Impact Assessment
11.7	Conclusion
11.8	Reference
12 Hazard to Life
12.1	Legislation, Standards and Guidelines
12.2	Review of Hazard Identifications
12.3	Hazard Impact Evaluation
12.4	Conclusion
13 Environmental Monitoring and Auditing Requirements
13.1	Introduction
13.2	Project Organization
13.3	EM&A Manual
13.4	Environmental Mitigation Implementation Schedule
13.5	EM&A Programme
14 Summary of Environmental Outcomes
14.1	General
14.2	Environmentally Friendly Options Considered and Incorporated to Avoid and Minimise Environmental Impact
14.3	Estimated Population Protected from Various Environmental Impacts
14.4	Environmental Benefits of Environmental Protection Measures Recommended
15 Conclusion
15.1	General
15.2	Air Quality
15.3	Noise
15.4	Water Quality
15.5	Waste Management
15.6	Land Contamination
15.7	Ecology
15.8	Fisheries
15.9	Landscape and Visual
15.10	Cultural Heritage
15.11	Hazard to life

Figures

Figure 1.1	Latest Alignment and Key Elements
Figure 2.1	TBM Launching Shaft Options, Alignment Options and EAP/ EEP Options
Figure 2.2	Concurrent Projects
Figure 3.2.1	Locations of Concerned PATH Grids
Figure 3.3.1	Locations of Representative Air Sensitive Receiver
Figure 3.4.1	Extent of Road Network
Figure 3.4.2	Locations of PTIs
Figure 3.4.3	Locations of Major Chimneys and Marine Route
Figure 3.7.1a	Mitigated Cumulative Maximum 1-hour TSP Concentrations at 1.5m above Ground (Year 2023)
Figure 3.7.1b	Mitigated Cumulative 10th highest 24-hour RSP Concentrations at 1.5m above Ground (Year 2023)
Figure 3.7.1c	Mitigated Cumulative Annual RSP Concentrations at 1.5m above Ground (Year 2023)
Figure 3.7.1d	Mitigated Cumulative 36th highest 24-hour FSP Concentrations at 1.5m above Ground (Year 2023)
Figure 3.7.1e	Mitigated Cumulative Annual FSP Concentrations at 1.5m above Ground (Year 2023)
Figure 3.7.2a	Mitigated Cumulative Maximum 1-hour TSP Concentrations at 1.5m above Ground (Year 2027)
Figure 3.7.2b	Mitigated Cumulative 10th highest 24-hour RSP Concentrations at 1.5m above Ground (Year 2027)
Figure 3.7.2c	Mitigated Cumulative Annual RSP Concentrations at 1.5m above Ground (Year 2027)
Figure 3.7.2d	Mitigated Cumulative 36th highest 24-hour FSP Concentrations at 1.5m above Ground (Year 2027)
Figure 3.7.2e	Mitigated Cumulative Annual FSP Concentrations at 1.5m above Ground (Year 2027)
Figure 4.2.1	Prevailing Noise Measurement Locations
Figure 4.2.2	Existing and Planned Noise Sources
Figure 4.3.1	Locations of Representative Noise Sensitive Receivers
Figure 4.3.2	Locations of Representative Noise Assessment Points (Airborne Construction Noise)
Figure 4.3.3	Locations of Representative Noise Assessment Points (Groundborne Construction Noise)
Figure 4.3.4	Locations of Representative Noise Assessment Points (Airborne Rail Noise)
Figure 4.3.5	Locations of Representative Noise Assessment Points (Groundborne Rail Noise)
Figure 4.3.6	Locations of Representative Noise Assessment Points (Fixed Noise Sources)
Figure 4.4.1	Location of the Noise Barrier at Ma Wan Chung
Figure 4.6.1	Proposed Rail Noise Mitigation Measures for Scenario A
Figure 4.6.2	Proposed Rail Noise Mitigation Measures for Scenario B
Figure 4.6.3	Proposed Rail Noise Mitigation Measures for Scenario C
Figure 4.6.4	Proposed Rail Noise Mitigation Measures for Scenario D
Figure 5.1	Location of Water Sensitive Receiver and Monitoring Location for Baseline Conditions
Figure 5.2	Location of Additional Precautionary Measures at TCW Area
Figure 7.1	Location of the Project
Figure 7.2	Location of Assessment Area
Figure 7.3	Boundary of the TCNTE PDAs and Locations of the 13 Sites with Industrial Land Uses Identified in the TCNTE EIA Study
Figure 7.4	Site Survey Photographs – Index
Figure 8.1	Ecological Impact Assessment Area, Ecological Survey Transects and Sampling Locations
Figure 8.2	Recongised Sites of Conservation Importance
Figure 8.3a	Habitat Map and Location of Species of Conservation Importance (Overview)
Figure 8.3b	Habitat Map and Location of Species of Conservation Importance (Western)
Figure 8.3c	Habitat Map and Location of Species of Conservation Importance (Eastern)
Figure 8.4a	Representative Photos of Habitats(Sheet 1 of 4)
Figure 8.4b	Representative Photos of Habitats(Sheet 2 of 4)
Figure 8.4c	Representative Photos of Habitats(Sheet 3 of 4)
Figure 8.4d	Representative Photos of Habitats(Sheet 4 of 4)
Figure 8.5a	Representative Photos of Species of Conservation Importance(Sheet 1 of 4)
Figure 8.5b	Representative Photos of Species of Conservation Importance(Sheet 2 of 4)
Figure 8.5c	Representative Photos of Species of Conservation Importance(Sheet 3 of 4)
Figure 8.5d	Representative Photos of Species of Conservation Importance(Sheet 4 of 4)
Figure 9.1	Sites of Fisheries Importance
Figure 9.2	Location of Home Ports of Local Fishing Vessels (Source: AFCD Port Survey 2016/2017)
Figure 9.3	Distribution of Fishing Operations – Overall (Source: AFCD Port Survey 2016/2017)
Figure 9.4	Distribution of Fishing Operations – Sampan (Source: AFCD Port Survey 2016/2017)
Figure 9.5	Distribution of Fishing Operations – Other Types of Fishing Vessels (Source: AFCD Port Survey 2016/2017)
Figure 9.6	Distribution of Fisheries Production – Overall (Source: AFCD Port Survey 2016/2017)
Figure 9.7	Distribution of Fisheries Production – Sampan (Source: AFCD Port Survey 2016/2017)
Figure 9.8	Distribution of Fisheries Production – Other Types of Fishing Vessels (Source: AFCD Port Survey 2016/2017)
Figure 9.9	Fisheries Sampling Locations of Tung Chung New Town Extension EIA
Figure 10.1	Aerial Photo
Figure 10.2	Outline Zoning Plan
Figure 10.3	Landscape Resources Plan
Figure 10.4a	Photographs of Landscape Resources (Sheet 1 of 5)
Figure 10.4b	Photographs of Landscape Resources (Sheet 2 of 5)
Figure 10.4c	Photographs of Landscape Resources (Sheet 3 of 5)
Figure 10.4d	Photographs of Landscape Resources (Sheet 4 of 5)
Figure 10.4e	Photographs of Landscape Resources (Sheet 5 of 5)
Figure 10.5	Landscape Character Plan
Figure 10.6a	Photographs of Landscape Character Area (Sheet 1 of 4)
Figure 10.6b	Photographs of Landscape Character Area (Sheet 2 of 4)
Figure 10.6c	Photographs of Landscape Character Area (Sheet 3 of 4)
Figure 10.6d	Photographs of Landscape Character Area (Sheet 4 of 4)
Figure 10.7	Visually Sensitive Receivers Plan with Vantage Envelope
Figure 10.8a	View of Visually Sensitive Receivers (Sheet 1 of 6)
Figure 10.8b	View of Visually Sensitive Receivers (Sheet 2 of 6)
Figure 10.8c	View of Visually Sensitive Receivers (Sheet 3 of 6)
Figure 10.8d	View of Visually Sensitive Receivers (Sheet 4 of 6)
Figure 10.8e	View of Visually Sensitive Receivers (Sheet 5 of 6)
Figure 10.8f	View of Visually Sensitive Receivers (Sheet 6 of 6)
Figure 10.9	Locations of Construction Areas
Figure 10.10a	Photomontages – VSR 2
Figure 10.10b	Photomontages – VSR 3
Figure 10.10c	Photomontages – VSR 10
Figure 10.10d	Photomontages – VSR 16
Figure 11.1	Project Area and Assessment Area
Figure 11.2	Geological Map
Figure 11.3a	Previous Archaeological Investigation at TCW
Figure 11.3b	Previous Archaeological Investigation at TCE
Figure 11.4	Locations of Declared Monuments and Built Heritages
Figure 11.5	Locations of As-built Test Pits and Auger Holes
Figure 11.6	Archaeological Potential to the North of the TCW Station
Figure 11.7	Tentative Locations of Recommended Further Testing for Archaeological Mitigation Measures

Appendices

Appendix 2.1	Implementation Phases of At-grade Tracks
Appendix 2.2	Designated Landbased Transportation Routes
Appendix 2.3	Heavy Construction Areas
Appendix 2.4	Tentative Construction Programme
Appendix 2.5	Implementation Phases of TCE and TCW under TCNTE
Appendix 3.1	Dust Emission Inventory and Source Location for the Project
Appendix 3.2	Surface Characteristics Parameters
Appendix 3.3	Dust Emission Inventory and Source Locations for Concurrent Sources
Appendix 3.4a	Traffic Department Endorsement
Appendix 3.4b	Traffic Forecast
Appendix 3.5	Temperature and Humidity Profile adopted for EMFAC and PTI calculation
Appendix 3.6	Estimation of Trips for Local and Rural Roads
Appendix 3.7	Hourly Composite Vehicular Emission Factor
Appendix 3.8	Emission Inventory and Source Locations for PTIs
Appendix 3.9	Emission Inventory and Source Locations for Industrial Emissions
Appendix 3.10	Emission Inventory and Source Locations for Marine Emission
Appendix 3.11	Detailed Construction Dust Assessment Results
Appendix 4.2.1	Prevailing Noise Measurement Results
Appendix 4.3.1	Photos of Representative Existing NSRs
Appendix 4.3.2	Area Sensitivity Ratings of the Representative NSRs for Rail Noise and Fixed Noise Sources Assessment
Appendix 4.4.1	SWLs of PMEs
Appendix 4.4.2	Detailed PME Inventory
Appendix 4.4.3	Locations of Workfronts for Construction
Appendix 4.4.4	Unmitigated Construction Noise Impacts
Appendix 4.4.5	Sketch of Typical Temporary Noise Barrier & Enclosure and 3-side Temporary Movable Enclosure
Appendix 4.4.6	Mitigated Construction Noise Impacts
Appendix 4.5.1	Point Source Response (PSR) and Line Source Response (LSR) Measurement
Appendix 4.5.2	Correction Factor for Groundborne Noise Calculation
Appendix 4.5.3	Predicted Groundborne Construction Noise Results
Appendix 4.6.1	Rail Noise Source Term
Appendix 4.6.2	At-receiver Mitigation Measures proposed in approved AEIAR-196/2016 and TC New Town Extension (East) – Design and Construction (Ref. PI16-01)
Appendix 4.6.3	Unmitigated Rail Noise Results
Appendix 4.6.4	Unmitigated Rail Noise contour (Leq)
Appendix 4.6.5	Unmitigated Rail Noise contour (Lmax)
Appendix 4.6.6	Noise Barrier Section Drawings
Appendix 4.6.7	Mitigated Rail Noise Results
Appendix 4.6.8	Mitigated Rail Noise contour (Leq)
Appendix 4.6.9	Mitigated Rail Noise contour (Lmax)
Appendix 4.7.1	Trackform Insertion Loss
Appendix 4.7.2	Force Density Level (FDL) Measurement
Appendix 4.7.3	Predicted Groundborne Rail Noise Results
Appendix 4.7.4	Geological Profile
Appendix 4.8.1	Predicted Noise Levels from the Fixed Noise Sources
Appendix 6.1	Approved SSTP
Appendix 6.2	Summary of Chemical Screening Test Results
Appendix 6.3	Actual Sediment Sampling Locations
Appendix 6.4	Estimated Volume of Land-based Marine Sediment to be Generated
Appendix 6.5	Updated Excavation Area and Location of Marine Sediment
Appendix 7.1	Agreed LCR Report
Appendix 8.1	Plant Species Recorded within the 500m Assessment Area
Appendix 8.2	Mammal Species Recorded within the 500m Assessment Area
Appendix 8.3	Bird Species Recorded within the 500m Assessment Area
Appendix 8.4	Butterfly Species Recorded within the 500m Assessment Area
Appendix 8.5	Odonate Species Recorded within the 500m Assessment Area
Appendix 8.6	Reptile Species Recorded within the 500m Assessment Area
Appendix 8.7	Amphibian Species Recorded within the 500m Assessment Area
Appendix 8.8	Aquatic Species Recorded within the 500m Assessment Area
Appendix 8.9	Intertidal Organisms Recorded in the Qualitative Survey within the 500m Assessment Area
Appendix 8.10	Intertidal Organisms Recorded in the Quantitative Survey within the 500m Assessment Area
Appendix 8.11	Results of Coastal Fish Survey
Appendix 8.12	Abundance of Subtidal Benthic Species Recorded at each Sampling Location within the Assessment Area (replicates of sub-stations are pooled together)
Appendix 8.13	Biomass (g) of Subtidal Benthic Species Recorded at each Sampling Location within the Assessment Area (replicates of sub-stations are pooled together)
Appendix 10.1	Prediction of Visual Impact Based on Field of View
Appendix 10.2	Broad Bush Tree Survey (Tung Chung East and Tung Chung West)
Appendix 10.3	Proposed Landscape Treatment Plan
Appendix 10.4	Conceptual Plans of the Proposed Development with Mitigation Measures
Appendix 11.1	Photos of Non-Graded Buildings and Structures and Additional Historic Buildings
Appendix 11.2	Aerial Photograph Taken in 1996 of the Study Area
Appendix 11.3	Aerial Photograph Taken in 1998 of the Study Area
Appendix 12.1	Societal Risk Guidelines
Appendix 12.2	Cross-Sectional Drawings
Appendix 15.1	Key Assessment Assumptions and Limitation of Assessment Methodologies
Appendix 15.2	Summary of Environmental Impacts Associated with the Project