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