Contents

1          Introduction  1-

1.1       Background  1-1

1.2       Designated Projects  1-2

1.3       EIA Study Brief 1-2

1.4       Need for the Project 1-2

1.5       Scenario “with” and “without” Project 1-2

1.6       Concurrent Projects  1-3

1.7       Structure of this EIA Report 1-11

1.8       References  1-12

 

 

2          Consideration of Revised Scheme Alignments  2-1

2.1       Introduction  2-1

2.2       Consideration of Alternative Sites for Stabling Sidings  2-1

2.3       Public Consultation  2-4

2.4       Comparison of Options of Stabling Sidings Arrangement 2-5

2.5       Selection of Preferred Option of Stabling Sidings Arrangement 2-9

 

3          Project Description and Construction Methodology  3-1

3.1       General

  3-1

3.2       Key Design Elements  3-1

3.3       Consideration of Alternative Construction Methods  3-2

3.4       Implementation Programme

  3-5

 

4          Cultural Heritage Impact 4-1

4.1       Introduction  4-1

4.2       Environmental Legislation, Standards and Guidelines  4-1

4.3       Assessment Methodology  4-3

4.4       Desktop Review for Archaeological Sites  4-6

4.5       Desktop Review for Built Heritage  4-12

4.6       Impact Assessment – Construction Phase  4-17

4.7       Impact Assessment– Operational Phase  4-18

4.8       Mitigation Measures – Construction Phase  4-19

4.9       Mitigation Measures - Operational Phase  4-

4.10     Conclusion  4-25

4.11     References  4-27

 

 

5          Ecological Impact 5-1

5.1       Introduction  5-1

5.2       Environmental Legislation, Standards and Guidelines  5-1

5.3       Survey Methodology  5-2

5.4       Study Area  5-3

5.5       Description of Environment 5-4

5.6       Prediction and Evaluation of Impacts  5-10

5.7       Mitigation Measures  5-17

5.8       Summary  5-

5.9       References  5-

 

6          Landscape and Visual Impact 6-1

6.1       Introduction  6-1

6.2       Scope and Content of the Study  6-1

6.3       Environmental Legislation, Standards and Guidelines  6-2

6.4       Assessment Methodology  6-3

6.5       Review of Planning and Development Control Framework  6-7

6.6       Baseline Study  6-8

6.7       Landscape Impact Assessment 6-26

6.8       Visual Impact Assessment 6-33

6.9       Landscape and Visual Mitigation Measure  6-49

6.10     Residual Impacts  6-53

6.11     Cumulative Impacts  6-72

6.12     Conclusion

 

  6-74

7          Construction Dust Impact Assessment 7-1

7.1       Introduction  7-1

7.2       Legislation and Standards  7-1

7.3       Ambient Air Quality Condition and Previous Monitoring Levels  7-2

7.4       Air Sensitive Receivers & Pollution Sources  7-2

7.5       Construction Dust Assessment 7-

7.6       Conclusion

  7-

 

8          Airborne Noise Impact Assessment

 

8.1       Introduction

 

8.2       Legislation and Standards8-

8.3       Potential Concurrent Projects

8.4       Noise Sensitive Receivers

 

8.5       Construction Noise Assessment

8.6       Operational Noise Assessment

8.7       Conclusion

8.8       References

 

9          Groundborne Noise Impact Assessment 9-1

9.1       Introduction  9-1

9.2       Legislation and Standards  9-1

9.3       Assessment Methodology – Construction Groundborne Noise  9-2

9.4       Assessment Methodology – Operational Groundborne Noise  9-4

9.5       Assessment Results – Construction Groundborne Noise  9-8

9.6       Assessment Results – Operational Groundborne Noise  9-8

9.7       Conclusion  9-10

9.8       References  9-10

 

10        Water Quality Impact 10-1

10.1     Introduction  10-1

10.2     Legislation, Standards and Guidelines  10-1

10.3     Baseline Conditions  10-1

10.4     Water Sensitive Receivers  10-3

10.5     Construction Water Quality Impact 10-4

10.6     Operational Water Quality Impact 10-6

10.7     Mitigation Measures

  10-710.8     Cumulative Impacts  10-10

10.9     Residual Impacts  10-10

10.10   Conclusion  10-10

10.11   References

  10-10

 

11        Waste Management Implications  11-1

11.1     Introduction  11-1

11.2     Legislation and Standards

  11-1

11.3     Assessment Methodology  11-4

11.4     Identification and Evaluation of Waste Management Implications  11-4

11.5     Mitigation Measures  11-12

11.6     Residual Environmental Impacts  11-16

11.7     Conclusion

  11-1611.8     References

  11-17

 

12        Land Contamination Assessment 

12-1

12.1     Introduction  12-1

12.2     Legislation and Standards  12-1

12.3     Background Information

  12-1

12.4     Potentially Contaminated Sites  12-2

12.5     Conclusion

 

  12-3

13        Environmental Monitoring and Audit Requirements  13-1

13.1     Introduction  13-1

13.2     Project Organisation  13-1

13.3     EM&A Manual and Implementation Schedule  13-1

13.4     EM&A Programme

  13-2

 

14        Summary of Environmental Outcomes  141

14.1     Population and Environmental Sensitive Areas Protected  14-1

14.2     Environmentally Friendly Design and Benefit 14-1

14.3     Summary of Measures Adopted to Minimize Environmental Impacts 14-3

 

15        Conclusion  15-1

15.1     Overall 15-1

15.2     Options Evaluation  15-1

15.3     Construction Method  15-2

15.4     Cultural Heritage Impact 15-3

15.5     Ecological Impact 15-4

15.6     Landscape and Visual Impact Assessment 15-4

15.7     Construction Dust Impact 15-5

15.8     Airborne Noise Impact 15-5

15.9     Groundborne Noise  15-6

15.10   Water Quality  15-6

15.11   Waste Management 15-6

15.12   Land Contamination  15-6

15.13   Environmental Monitoring and Auditing Requirements  15-7

15.15   Overall 15-7

 

List of Figures

1          Introduction

Figure 1.1                    Overview of the Project

Figure 1.2                    Locations of Concurrent Projects

 

3          Project Description and Construction Methodology

Figure 3.1.1                 Major Temporary At-grade Works Sites (1 of 3)

Figure 3.1.2                 Major Temporary At-grade Works Sites (2 of 3)

Figure 3.1.3                 Major Temporary At-grade Works Sites (3 of 3)

Figure 3.1.1a               Demarcation of Permanent Works (1 of 3)

Figure 3.1.2a               Demarcation of Permanent Works (2 of 3)

Figure 3.1.3a               Demarcation of Permanent Works (3 of 3)

 

4          Cultural Heritage Impact

Figure 4.1.1                 Locations of Known Archaeological Sites (Sheet 1 of 3)

Figure 4.1.2                 Locations of Known Archaeological Sites (Sheet 2 of 3)

Figure 4.1.3                 Locations of Known Archaeological Sites (Sheet 3 of 3)

Figure 4.2.1                 Locations of Known Built Heritages (Sheet 1 of 3)

Figure 4.2.2                 Locations of Known Built Heritages (Sheet 2 of 3)

Figure 4.2.3                 Locations of Known Built Heritages (Sheet 3 of 3)

Figure 4.3                    Tentative Extent for Survey-cum-excavation Area

 

5          Ecological Impact

Figure 5.1.1                 Habitat maps for the proposed above ground work site (page 1 of 5)

Figure 5.1.2                 Habitat maps for the proposed above ground work site (page 2 of 5)

Figure 5.1.3                 Habitat maps for the proposed above ground work site (page 3 of 5)

Figure 5.1.4                 Habitat maps for the proposed above ground work site (page 4 of 5)

Figure 5.1.5                 Habitat maps for the proposed above ground work site (page 5 of 5)

 

6          Landscape and Visual Impact

Figure 6.1.1                 Location Plan

Figure 6.2.1                 Landscape and Visual Impact Study Boundary - Hung Hom Station

Figure 6.2.2                 Landscape and Visual Impact Study Boundary – Kai Tak Station

Figure 6.2.3                 Landscape and Visual Impact Study Boundary – Diamond Hill Station

Figure 6.3.1                 Review of Planning and Development Control Framework - Hung Hom Station

Figure 6.3.2                 Review of Planning and Development Control Framework – Kai Tak Station

Figure 6.3.3                 Review of Planning and Development Control Framework – Diamond Hill Station

Figure 6.4.1                 Baseline Landscape Resources - Hung Hom Station

Figure 6.4.2                 Baseline Landscape Resources – Kai Tak Station

Figure 6.4.3                 Baseline Landscape Resources – Diamond Hill Station

Figure 6.4.4                 Baseline Landscape Resources Photos - Hung Hom Station (Sheet 1 of 3)

Figure 6.4.5                 Baseline Landscape Resources Photos - Hung Hom Station (Sheet 2 of 3)

Figure 6.4.6                 Baseline Landscape Resources Photos - Hung Hom Station (Sheet 3 of 3)

Figure 6.4.7                 Baseline Landscape Resources Photos - Kai Tak Station and Diamond Hill Station (Sheet 1 of 6)

Figure 6.4.8                 Baseline Landscape Resources Photos - Kai Tak Station and Diamond Hill Station (Sheet 2 of 6)

Figure 6.4.9                 Baseline Landscape Resources Photos - Kai Tak Station and Diamond Hill Station (Sheet 3 of 6)

Figure 6.4.10               Baseline Landscape Resources Photos - Kai Tak Station and Diamond Hill Station (Sheet 4 of 6)

Figure 6.4.11               Baseline Landscape Resources Photos - Kai Tak Station and Diamond Hill Station (Sheet 5 of 6)

Figure 6.4.12               Baseline Landscape Resources Photos - Kai Tak Station and Diamond Hill Station (Sheet 6 of 6)

Figure 6.5.1                 Baseline Landscape Character Areas - Hung Hom Station

Figure 6.5.2                 Baseline Landscape Character Areas - Kai Tak Station

Figure 6.5.3                 Baseline Landscape Character Areas – Diamond Hill Station

Figure 6.6.1                 Key Visually Sensitive Receivers (VSRs) - Hung Hom Station

Figure 6.6.2                 Key Visually Sensitive Receivers (VSRs) – Kai Tak Station

Figure 6.6.3                 Key Visually Sensitive Receivers (VSRs) – Diamond Hill Station

Figure 6.6.4                 Views for Key Visually Sensitive Receivers (VSRs) - Hung Hom Station

Figure 6.6.5                 Views for Key Visually Sensitive Receivers (VSRs) – Kai Tak Station

Figure 6.6.6                 Views for Key Visually Sensitive Receivers (VSRs) – Diamond Hill Station

Figure 6.7.1                 Landscape and Visual Mitigation Measures - HUH Landscape Master Plan (Sheet 1 of 3)

Figure 6.7.2                 Landscape and Visual Mitigation Measures - HUH Landscape Master Plan (Sheet 2 of 3)

Figure 6.7.3                 Landscape and Visual Mitigation Measures - HUH Landscape Master Plan (Sheet 3 of 3)

Figure 6.7.4                 Landscape and Visual Mitigation Measures - KAT Landscape Master Plan

Figure 6.7.5                 Landscape and Visual Mitigation Measures - DIH Landscape Master Plan

Figure 6.8.1                 Photomontages - HUH/V1

Figure 6.8.2                 Photomontages - HUH/V2

Figure 6.8.3                 Photomontages - HUH/V3

Figure 6.8.4                 Photomontages - HUH/V4

Figure 6.9.1                 Photomontages - KAT/V1 (Sheet 1 of 2)

Figure 6.9.2                 Photomontages - KAT/V1 (Sheet 2 of 2)

Figure 6.9.3                 Photomontages - KAT/V2 (Sheet 1 of 2)

Figure 6.9.4                 Photomontages - KAT/V2 (Sheet 2 of 2)

Figure 6.10.1               Photomontages - DIH/V1 (Sheet 1 of 2)

Figure 6.10.2               Photomontages - DIH/V1 (Sheet 2 of 2)

Figure 6.10.3               Photomontages - DIH/V2

Figure 6.10.4               Photomontages - DIH/V3

Figure 6.10.5               Photomontages - DIH/V4

Figure 6.10.6               Photomontages - DIH/V5

 

7          Construction Dust Impact Assessment

Figure 7.1.1                 Locations of Air Sensitive Receivers (Sheet 1 of 3)

Figure 7.1.2                 Locations of Air Sensitive Receivers (Sheet 2 of 3)

Figure 7.1.3                 Locations of Air Sensitive Receivers (Sheet 3 of 3)

Figure 7.2.0A              Contours of Unmitigated 1-hour TSP Concentrations (Tier 1) at 1.5m above ground (Diamond Hill & Kai Tak Area)

Figure 7.2.0B              Contours of Unmitigated 24-hour TSP Concentrations (Tier 1) at 1.5m above ground (Diamond Hill & Kai Tak Area)

Figure 7.2.0C              Contours of Unmitigated Annual TSP Concentrations at 1.5m above ground (Diamond Hill & Kai Tak Area)

Figure 7.2.0D              Contours of Unmitigated 1-hour TSP Concentrations (Tier 1) at 1.5m above ground (Hung Hom & Ho Man Tin Area)

Figure 7.2.0E              Contours of Unmitigated 24-hour TSP Concentrations (Tier 1) at 1.5m above ground (Hung Hom & Ho Man Tin Area)

Figure 7.2.0F               Contours of Unmitigated Annual TSP Concentrations at 1.5m above ground (Hung Hom & Ho Man Tin Area)

Figure 7.2.1                 Contours of Mitigated 1-hour TSP Concentrations (Tier 1) at 1.5m above ground (Diamond Hill & Kai Tak Area)

Figure 7.2.2                 Contours of Mitigated 24-hour TSP Concentrations (Tier 1) at 1.5m above ground (Diamond Hill & Kai Tak Area)

Figure 7.2.3                 Contours of Mitigated 1-hour TSP Concentrations (Tier 1) at 1.5m above ground (Hung Hom & Ho Man Tin Area)

Figure 7.2.4                 Contours of Mitigated 24-hour TSP Concentrations (Tier 1) at 1.5m above ground (Hung Hom & Ho Man Tin Area)

Figure 7.2.5                 Contours of Mitigated 1-hour TSP Concentrations (Tier 2) at 1.5m above ground (Kai Tak Area)

Figure 7.2.6                 Contours of Mitigated 24-hour TSP Concentrations (Tier 2) at 1.5m above ground (Kai Tak Area)

Figure 7.2.7                 Contours of Mitigated 1-hour TSP Concentrations (Tier 2) at 5m above ground (Kai Tak Area)

Figure 7.2.8                 Contours of Mitigated 24-hour TSP Concentrations (Tier 2) at 5m above ground (Kai Tak Area)

Figure 7.2.9                 Contours of Mitigated Annual TSP Concentrations at 1.5m above ground (Diamond Hill & Kai Tak Area)

Figure 7.2.10               Contours of Mitigated Annual TSP Concentrations at 1.5m above ground (Hung Hom & Ho Man Tin Area)

 

8          Airborne Noise Impact Assessment

Figure 8.1.1                 Locations of Airborne Noise Sensitive Receivers (Sheet 1 of 3)

Figure 8.1.2                 Locations of Airborne Noise Sensitive Receivers (Sheet 2 of 3)

Figure 8.1.3                 Locations of Airborne Noise Sensitive Receivers (Sheet 3 of 3)

Figure 8.2.1                 Assessment Points for Fixed Noise Sources at HHS and HUH (Sheet 1 of 3)

Figure 8.2.2                 Assessment Points for Fixed Noise Sources at KAT (Sheet 2 of 3)

Figure 8.2.3                 Assessment Points for Fixed Noise Sources at DIH (Sheet 3 of 3)

 

9          Groundborne Noise Impact Assessment

Figure 9.1.1                 Locations of Groundborne Noise Sensitive Receivers (Sheet 1 of 3)

Figure 9.1.2                 Locations of Groundborne Noise Sensitive Receivers (Sheet 2 of 3)

Figure 9.1.3                 Locations of Groundborne Noise Sensitive Receivers (Sheet 3 of 3)

 

10        Water Quality Impact

Figure 10.1                  Marine Water Quality Monitoring Stations

Figure 10.2                  River Water Quality Monitoring Stations

Figure 10.3                  Locations of Water Sensitive Receivers

 

List of Appendices

1          Introduction

Appendix 1.1               Development packages of Kai Tak Development

 

3          Project Description and Construction Methodology

Appendix 3.1               SCL Project Boundary

 

4          Cultural Heritage Impact

Appendix 4.1               Historical Photos of Former Tai Hom Village

Appendix 4.2               Archaeological Survey Report of Former Tai Hom Village

Appendix 4.3               Built Heritage Survey

Appendix 4.4               Photos of Built Heritage Survey

Appendix 4.5               Additional Background Information for the Three Treasures in Former Tai Hom Village

Appendix 4.6               Condition Survey Report for Former Royal Air Force Hanger

Appendix 4.7               Condition Survey Report for Stone House and Old Pill Box

Appendix 4.8               Strategies for Mitigation Measures

 

5          Ecological Impact

Appendix 5.1               Botanical Surveys

Appendix 5.2               Bird Data for HUH, KAT and DIH

Appendix 5.3               Invertebrate Data for HUH, KAT and DIH

Appendix 5.4               Photographs of Representative Habitats

 

6          Landscape and Visual Impact

Appendix 6.1               Elevations of Above Ground Structures

 

7          Construction Dust Impact Assessment

Appendix 7.1               List of ASRs

Appendix 7.2               Tentative Construction Programme

Appendix 7.3               Details of Dust Emission Sources and Calculations

Appendix 7.4               Justification for the Percentage of Active Works Areas and Dust Suppression Efficiency

Appendix 7.5               Location of Concrete Batching Plant

Appendix 7.6               Arrangement in Freight Pier Barging Facility

 

8          Airborne Noise Impact Assessment

Appendix 8.1               Locations of Existing Noise Measurements

Appendix 8.2               Details of NSRs

Appendix 8.3               Photos of NSRs

Appendix 8.4               SWLs of PME

Appendix 8.5               Sketch of Typical Temporary Noise / Enclosure

Appendix 8.6               Not Used

Appendix 8.7A            Plant Inventory adopted for the Construction of HHS

Appendix 8.7B            Distance between Notional Source and NSRs near HHS

Appendix 8.7C            Monthly Unmitigated Construction Noise Impacts near HHS

Appendix 8.7D            Unmitigated Construction Noise Impacts near HHS

Appendix 8.7E            Monthly Mitigated Construction Noise Impacts near HHS

Appendix 8.7F             Mitigated Construction Noise Impacts near HHS

Appendix 8.8A            Mitigated Construction Noise Impacts of SCL (MKK-HUH) and SCL (MKK-ADM) Alone

Appendix 8.8B            Cumulative Monthly Mitigated Construction Noise Impacts near HHS and HUH (Cumulative Impacts from Construction of SCL (HHS), SCL (MKK-HUH), SCL (MKK-ADM), SCL (TAW-HUH) and KTE with EPIW

Appendix 8.9A            Plant Inventory adopted for the Construction of KAT

Appendix 8.9B            Distance between Notional Source and NSRs near KAT

Appendix 8.9C            Monthly Unmitigated Construction Noise Impacts near KAT

Appendix 8.9D            Unmitigated Construction Noise Impacts near KAT

Appendix 8.9E            Monthly Mitigated Construction Noise Impacts near KAT

Appendix 8.9F             Mitigated Construction Noise Impacts near KAT

Appendix 8.10A          Plant Inventory adopted for the Construction of DIH

Appendix 8.10B          Distance between Notional Source and NSRs near DIH

Appendix 8.10C          Monthly Unmitigated Construction Noise Impacts near DIH

Appendix 8.10D          Unmitigated Construction Noise Impacts near DIH

Appendix 8.10E          Monthly Mitigated Construction Noise Impacts near DIH

Appendix 8.10F           Mitigated Construction Noise Impacts near DIH

Appendix 8.10G          Plant Inventory adopted for the Construction of Tsz Wan Shan and SCL (TAW-HUH)

Appendix 8.10H          Distance between Notional Source and NSRs near DIH – Cumulative

Appendix 8.10I            Monthly Mitigated Construction Noise Impacts near DIH (Cumulative Impacts from the construction of Tsz Wan Shan Pedestrian Link and SCL (TAW-HUH))

Appendix 8.10J           Mitigated Construction Noise Impacts near DIH (Cumulative Impacts from the Construction of Tsz Wan Shan Pedestrian Link and SCL (TAW-HUH)

Appendix 8.11             SEL Source Term Measurement Report

Appendix 8.12             Typical Section of the Alignment at North of HHS

Appendix 8.13             Noise Mitigation Measures between HHS and Chatham Road North

Appendix 8.13A          Predicted 24-hour Average Railway Noise Levels

Appendix 8.14             Calculation of Maximum SWL of Ventilation Louvers

 

9          Groundborne Noise Impact Assessment

Appendix 9.1               Construction Groundborne Noise Assessment Results

Appendix 9.2               Summary of Operational Groundborne Noise Assessment Results

Appendix 9.3               Detailed Operational Groundborne Noise Calculations

Appendix 9.4               Force Density Level (FDL) for SP1900 EMU

Appendix 9.5               Line Source Response Values Obtained from West Island Line EIA Study

Appendix 9.6               Summary of Trackform Insertion Loss

Appendix 9.7               Speed Profile of the SCL (HHS)

 

11        Waste Management Implications  11-1

Appendix 11.1             The PFC endorsement letter for C&DMMP

 

12        Land Contamination

Appendix 12.1             CAP of SCL (HHS)

 

15        Conclusion

Appendix 15.1             Key Assessment Assumptions and Methodologies