Agreement No. CE10/2014 (CE)

Development of Anderson Road Quarry Site Investigation, Design and Construction

Environmental Impact Assessment Report for Road Improvement Works

 

TABLE OF CONTENTS

1 INTRODUCTION

1.1 Background

1.2 Project Components

1.3 Objective of this EIA Study

1.4 Structure of the EIA Report

2 PROJECT DESCRIPTIONS

2.1 The Need of the Project

2.2 Scope of Works

2.3 Concurrent Projects

2.4 Project Programme

2.5 Study Area

3 CONSIDERATION OF ALTERNATIVES. 3-1

3.1 Scenarios with and without the Project 3-1

3.2 Consideration of Alternative Development Options. 3-2

3.3 Consideration of Alternative Construction Methods and Sequences of Works. 3-13

3.4 Selection of preferred Scenario. 3-18

4 Air Quality Impact

4.1 Environmental Legislation, Plans, Standards, and Guidelines

4.2 Description of the Environment and Future Trends

4.3 Study Area and Air Sensitive Receivers

4.4 Identification of Environmental Impacts (Construction Phase)

4.5 Assessment Methodology (Construction Phase)

4.6 Prediction and Evaluation of Environmental Impacts (Construction Phase)

4.7 Recommended Mitigation Measures on NCWBR RIW and LTR RIW (Construction Phase)

4.8 Evaluation of Residual Environmental Impacts (Construction Phase)

4.9 Identification of Environmental Impacts (Operational Phase)

4.10 Assessment Methodology (Operational Phase)

4.11 Prediction and Evaluation of Environmental Impacts (Operational Phase).............

4.12 Recommended Mitigation Measures (Operational Phase)

4.13 Evaluation of Residual Environmental Impacts (Operational Phase)

4.14 EM&A Requirements

4.15 Conclusion

5 Noise Impact

5.1 Introduction

5.2 Environmental Legislation, Standards and Guidelines

5.3 Description of the Environment

5.4 Study Area and Noise Sensitive Receivers

5.5 Identification of Environmental Impacts

5.6 Assessment Methodologies

5.7 Prediction and Evaluation of Environmental Impacts

5.8 Mitigation of Environmental Impacts

5.9 Evaluation of Residual Environmental Impacts

5.10 EM&A Requirements

5.11 Conclusion

6 Water Quality Impact.. 6-1

6.1 Introduction. 6-1

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

6.3 Water Sensitive Receivers. 6-2

6.4 Description of the Environment 6-3

6.5 Assessment Methodologies. 6-5

6.6 Identification of Environmental Impacts. 6-6

6.7 Evaluation of Environmental Impacts. 6-7

6.8 Cumulative Impacts from Concurrent Project 6-8

6.9 Mitigation of Adverse Environmental Impacts. 6-8

6.10 Evaluation of Residual Environmental Impacts. 6-12

6.11 EM&A Requirements. 6-12

6.12 Conclusions. 6-12

7 Waste Management Implication.. 7-1

7.1 Introduction. 7-1

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

7.3 Assessment Methodologies. 7-2

7.4 Identification of Potential Environmental Impacts. 7-3

7.5 Prediction & Evaluation of Environmental Impacts. 7-3

7.6 Mitigation of Adverse Environmental Impacts. 7-7

7.7 Evaluation of Residual Environmental Impacts. 7-11

7.8 EM&A Requirements. 7-11

7.9 Conclusions. 7-11

8 Land Contamination

8.1 Introduction

8.2 Environmental Legislation, Standards & Guidelines

8.3 Assessment Methodologies

8.4 Description of the Environment

8.5 Site Appraisal

8.6 Identification of Sensitive Receptors

8.7 Prediction and Evaluation of Environmental Impacts

8.8 EM&A Requirements

8.9 Conclusions

9 Ecological Impact (Terrestrial)

9.1 Introduction

9.2 Environmental Legislation, Plans, Standards and Guidelines

9.3 Assessment Methodology

9.4 Evaluation of Conservation Importance / Value and Impact Significance

9.5 Description of the Environment

9.6 Survey Findings

9.7 Summary of Road Improvement Works Areas

9.8 Habitat and Vegetation

9.9 Ecological Value

9.10 Identification of Potential Ecological Impacts

9.11 Cumulative Impacts from Concurrent Project

9.12 Prediction & Evaluation of Ecological Impacts

9.13 Mitigation of Adverse Ecological Impacts

9.14 Evaluation of Residual Ecological Impacts

9.15 EM&A Requirements

9.16 Conclusion

9.17 References

10 Landscape and Visual Impacts

10.1 Introduction

10.2 Environmental Legislation, Standards and Guidelines

10.3 Assessment Methodology

10.4 Review of Planning and Development Control Framework

10.5 Baseline Study

10.6 Landscape Resources and Landscape Character Areas

10.7 Visually Sensitive Receivers (VSRs)

10.8 Landscape Impact Assessment

10.9 Visual Impact Assessment

10.10 Landscape and Visual Mitigation Measures

10.11 Residual Impacts

10.12 Conclusion

11 Landfill Gas Hazard

11.1 Introduction

11.2 Environmental Legislation, Standards & Guidelines

11.3 Assessment Criteria and Methodologies

11.4 Description of the Environment

11.5 Geological Assessment

11.6 Qualitative Landfill Gas Assessment

11.7 Source-Pathway-Target Analysis

11.8 Site Categorization

11.9 Recommended Precautionary Measures for Construction Phase and Operational Phase

11.10 Safety Measures During Operation

11.11 EM&A Requirements

11.12 Conclusions

12 IMPLEMENTATION SCHEDULE OF MITIGATION MEASURES. 12-1

13 Conclusions. 13-1

 

13-1

 

 

List of figures

Figure 2.1 Project Location

Figure 2.2 Design Layout of J/O Sau Mau Ping Road and Lin Tak Road

Figure 2.3 Design Layout of J/O Clear Water Bay Road and On Sau Road and J/O Clear Water Bay Road and New Clear Water Bay Road

Figure 2.4 Design Layout of J/O New Clear Water Bay Road near Shun Lee Tsuen Road

Figure 3.1 Options of RIW at J/O Lin Tak Road and Sau Mau Ping Road

Figure 3.2 Options of RIW at J/O Clear Water Bay Road and On Sau Road and J/O Clear Water Bay Road and New Clear Water Bay Road

Figure 3.3 Options of RIW at J/O New Clear Water Bay Road near Shun Lee Tsuen Road

Figure 4.1 Locations of Representative Air Sensitive Receivers (NCWBR RIW)

Figure 4.2 Locations of Representative Air Sensitive Receivers (LTR RIW)

Figure 4.3 Contours of Cumulative Maximum 1-hour Average TSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Unmitigated)

Figure 4.4 Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Unmitigated)

Figure 4.5 Contours of Cumulative Highest 10th Daily Average FSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Unmitigated)

Figure 4.6 Contours of Cumulative Annual Average RSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Unmitigated)

Figure 4.7 Contours of Cumulative Annual Average FSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Unmitigated)

Figure 4.8 Contours of Cumulative Maximum 1-hour Average TSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Mitigated)

Figure 4.9 Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Mitigated)

Figure 4.10 Contours of Cumulative Highest 10th Daily Average FSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Mitigated)

Figure 4.11 Contours of Cumulative Annual Average RSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Mitigated)

Figure 4.12 Contours of Cumulative Annual Average FSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Mitigated)

Figure 4.13 Contours of Cumulative Maximum 1-hour Average TSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Unmitigated)

Figure 4.14 Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Unmitigated)

Figure 4.15 Contours of Cumulative Highest 10th Daily Average FSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Unmitigated)

Figure 4.16 Contours of Cumulative Annual Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Unmitigated)

Figure 4.17 Contours of Cumulative Annual Average FSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Unmitigated)

Figure 4.18 Contours of Cumulative Maximum 1-hour Average TSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Mitigated)

Figure 4.19 Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Mitigated)

Figure 4.20 Contours of Cumulative Highest 10th Daily Average FSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Unmitigated)

Figure 4.21 Contours of Cumulative Annual Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Mitigated)

Figure 4.22 Contours of Cumulative Annual Average FSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Mitigated)

Figure 4.23a Contours of Cumulative Maximum 1-hour Average TSP Concentration in g/m3 at 1.5m above ground ((LTR RIW) (Mitigated Tier 2 for ASECP-2)

Figure 4.23b Contours of Cumulative Maximum 1-hour Average TSP Concentration in g/m3 at 1.5m above ground ((LTR RIW) (Mitigated Tier 2 for DARE-27)

Figure 4.24a Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Mitigated Tier 2 for ASECP-2 & ATTE-3)

Figure 4.24b Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Mitigated Tier 2 - for DARE-27)

Figure 4.24c Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW) (Mitigated Tier 2 for AHTE-4)

Figure 4.25 Contours of Cumulative Highest 19th Hourly Average NO2 Concentration in g/m3 at 1.5m above ground (NCWBR RIW)

Figure 4.26 Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW)

Figure 4.27 Contours of Cumulative Highest 10th Daily Average FSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW)

Figure 4.28 Contours of Cumulative Annual Average NO2 Concentration in g/m3 at 1.5m above ground (NCWBR RIW)

Figure 4.29 Contours of Cumulative Annual Average RSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW) (Mitigated)

Figure 4.30 Contours of Cumulative Annual Average FSP Concentration in g/m3 at 1.5m above ground (NCWBR RIW)

Figure 4.31 Contours of Cumulative Highest 19th Hourly Average NO2 Concentration in g/m3 at 1.5m above ground (LTR RIW)

Figure 4.32 Contours of Cumulative Highest 10th Daily Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW)

Figure 4.33 Contours of Cumulative Highest 10th Daily Average FSP Concentration in g/m3 at 1.5m above ground (LTR RIW)

Figure 4.34 Contours of Cumulative Annual Average NO2 Concentration in g/m3 at 1.5m above ground (LTR RIW)

Figure 4.35 Contours of Cumulative Annual Average RSP Concentration in g/m3 at 1.5m above ground (LTR RIW)

Figure 4.36 Contours of Cumulative Annual Average FSP Concentration in g/m3 at 1.5m above ground (LTR RIW)

Figure 5.1 Locations of Noise Sensitive Receivers and Assessment Points (RIWs at J/O Clear Water Bay Road/On Sau Road and J/O New Clear Water Bay Road/Shun Lee Tsuen Road)

Figure 5.2 Locations of Noise Sensitive Receivers and Assessment Points (RIW at J/O Sau Mau Ping Road/ Lin Tak Road)

Figure 5.3 Extent of Project Roads under the Project

Figure 5.4 Locations of Proposed Noise Mitigation Measures (Sau Mau Ping Road and Lin Tak Road)

Figure 5.5 Locations of Proposed Noise Mitigation Measures (J/O Clear Water Bay Road/On Sau Road)

Figure 5.6 Locations of Proposed Noise Mitigation Measures (J/O New Clear Water Bay Road/Shun Lee Tsuen Road)

Figure 5.7 Schematic Diagram for Construction Noise Barrier

Figure 5.8 Extent of Construction Noise Barrier near Sienna Garden

Figure 6.1 Locations of Inland Water Bodies near the Project Site

Figure 8.1 Photos of J/O Clear Water Bay Road and On Sau Road and J/O Clear Water Bay Road and New Clear Water Bay Road

Figure 8.2 Photos of J/O Lin Tak Road and Sau Mau Ping Road

Figure 8.3 Photos of J/O New Clear Water Bay Road near Shun Lee Tsuen Road

Figure 9.1 Ecological Survey Locations

Figure 9.2 Habitat Map and Locations of Species of Conservation Importance Key Plan

Figure 9.3 Habitat Map and Locations of Species of Conservation Importance Sheet 1 of 4

Figure 9.4 Habitat Map and Locations of Species of Conservation Importance Sheet 2 of 4

Figure 9.5 Habitat Map and Locations of Species of Conservation Importance Sheet 3 of 4

Figure 9.6 Habitat Map and Locations of Species of Conservation Importance Sheet 4 of 4

Figure 10.1 Landscape Impact Study Boundary (Road Improvement Work)

Figure 10.2 Landscape Resources Plan (Sheet 1 of 2)

Figure 10.3 Landscape Resources Plan (Sheet 2 of 2)

Figure 10.4a Photo of Landscape Resources (Sheet 1 of 3)

Figure 10.4b Photo of Landscape Resources (Sheet 2 of 3)

Figure 10.4c Photo of Landscape Resources (Sheet 3 of 3)

Figure 10.5 Landscape Character Areas Plan (Sheet 1 of 2)

Figure 10.6 Landscape Character Areas Plan (Sheet 2 of 2)

Figure 10.7 Photo of Landscape Character Areas

Figure 10.8 Visual Envelope of Visual Impact

Figure 10.9 Visual Envelope (Sheet 1 of 2)

Figure 10.10 Visual Envelope (Sheet 2 of 2)

Figure 10.11 VSR Location Plan (Sheet 1 of 3)

Figure 10.12 VSR Location Plan (Sheet 2 of 3)

Figure 10.13 VSR Location Plan (Sheet 3 of 3)

Figure 10.14 Photo of Key Visual Sensitive Receivers (Sheet 1 of 2)

Figure 10.15 Photo of Key Visual Sensitive Receivers (Sheet 2 of 2)

Figure 10.16 Landscape and Visual Mitigation Plan (Sheet 1 of 11)

Figure 10.17 Landscape and Visual Mitigation Plan (Sheet 2 of 11)

Figure 10.18 Landscape and Visual Mitigation Plan (Sheet 3 of 11)

Figure 10.19 Landscape and Visual Mitigation Plan (Sheet 4 of 11)

Figure 10.20 Landscape and Visual Mitigation Plan (Sheet 5 of 11)

Figure 10.21 Landscape and Visual Mitigation Plan (Sheet 6 of 11)

Figure 10.22 Landscape and Visual Mitigation Plan (Sheet 7 of 11)

Figure 10.23 Landscape and Visual Mitigation Plan (Sheet 8 of 11)

Figure 10.24 Landscape and Visual Mitigation Plan (Sheet 9 of 11)

Figure 10.25 Landscape and Visual Mitigation Plan (Sheet 10 of 11)

Figure 10.26 Landscape and Visual Mitigation Plan (Sheet 11 of 11)

Figure 10.26A Sections (Sheet 1 of 3)

Figure 10.26B Sections (Sheet 2 of 3)

Figure 10.26C Sections (Sheet 3 of 3)

Figure 10.27 Photomontage (Sheet 1 of 13)

Figure 10.28 Photomontage (Sheet 2 of 13)

Figure 10.29 Photomontage (Sheet 3 of 13)

Figure 10.30 Photomontage (Sheet 4 of 13)

Figure 10.31 Photomontage (Sheet 5 of 13)

Figure 10.32 Photomontage (Sheet 6 of 13)

Figure 10.33 Photomontage (Sheet 7 of 13)

Figure 10.34 Photomontage (Sheet 8 of 13)

Figure 10.35 Photomontage (Sheet 9 of 13)

Figure 10.36 Photomontage (Sheet 10 of 13)

Figure 10.37 Photomontage (Sheet 11 of 13)

Figure 10.38 Photomontage (Sheet 12 of 13)

Figure 10.39 Photomontage (Sheet 13 of 13)

Figure 10.40 Impact on Landscape Resources (Sheet 1 of 3)

Figure 10.41 Impact on Landscape Resources (Sheet 2 of 3)

Figure 10.42 Impact on Landscape Resources (Sheet 3 of 3)

Figure 10.43 Impact on Landscape Character Areas (Sheet 1 of 3)

Figure 10.44 Impact on Landscape Character Areas (Sheet 2 of 3)

Figure 10.45 Impact on Landscape Character Areas (Sheet 3 of 3)

Figure 10.46 Impact on OZP (Sheet 1 of 3)

Figure 10.47 Impact on OZP (Sheet 2 of 3)

Figure 10.48 Impact on OZP (Sheet 3 of 3)

Figure 10.49 Group Tree Survey Plan

Figure 10.50 Group Tree Survey Plan

Figure 10.51 Group Tree Survey Plan

Figure 10.52 Tree Group Boundary on LR(Sheet 1 of 3)

Figure 10.53 Tree Group Boundary on LR(Sheet 2 of 3)

Figure 10.54 Tree Group Boundary on LR(Sheet 3 of 3)

Figure 10.55 Illustrative view from Lin Tak Road

Figure 10.56 Road Sections of Lin Tak Road

Figure 10.57 Mitigation Measures to Rock Slope at Lin Tak Road

Figure 11.1 Locations of Previous Landfills and Proposed Site Boundary

Figure 11.2 Location of Gas and Groundwater Monitoring Wells of Previous Jordan Valley Landfill

Figure 11.3 Location of Gas and Groundwater Monitoring Wells of Previous Ma Yau Tong Central Landfill

Figure 11.4 Location of Gas and Groundwater Monitoring Wells of Previous Ma Yau Tong West Landfill

 

 

list of Appendices

Appendix 2.1 Tentative Construction Programme

Appendix 4.1 Locations and Details of Chimney Emissions

Appendix 4.2 Details of Portal Emissions (Construction Phase)

Appendix 4.3 Justification of Percentage Active Works Area for RIW

Appendix 4.4 Active Works Area and TSP Emission Burden Calculation

Appendix 4.5 Details of Construction Dust Emission Sources

Appendix 4.6 Calculation of Dust Suppression Efficiency from Watering

Appendix 4.7 Summary of Composite Vehicular Emission Factor for CALINE4 Model (Construction Phase)

Appendix 4.8 Detailed Results of Construction Dust Assessment (NCWBR RIW)

Appendix 4.9 Detailed Results of Construction Dust Assessment (LTR RIW)

Appendix 4.10 Annual Emission Burdens for NCWBR RIW and LTR RIW from EMFAC-HK

Appendix 4.11 Summary of Vehicular Emission Factors

Appendix 4.12 Summary of Composite Vehicular Emission Factor for CALINE4 Model (Operational Phase)

Appendix 4.13 Details of Portal Emissions (Operational Phase)

Appendix 4.14 Detailed Results of Operational Air Quality Assessment (NCWBR RIW)

Appendix 4.15 Detailed Results of Operational Air Quality Assessment (LTR RIW)

Appendix 5.1 Photos of Noise Sensitive Receivers

Appendix 5.2 Communications on Noise Abatement Measures for Existing and Planned Schools

Appendix 5.3 Powered Mechanical Equipment (PME) for the Different Construction Tasks

Appendix 5.4 Work programme, Locations of Notional sources and distance to NSRs

Appendix 5.5 Peak Traffic Flow for with Project and without Project Scenarios

Appendix 5.6 Predicted Construction Noise Levels at Representative NSRs (Unmitigated)

Appendix 5.7 Detailed Results of Road Traffic Noise Assessment (Unmitigated Scenario)

Appendix 5.8 Road-plots of the Traffic Noise Model

Appendix 5.9 Quiet Powered Mechanical Equipment (PME) for the Different Construction Tasks (With Mitigation Measures)

Appendix 5.10 Acoustic Mat Catalogue

Appendix 5.11 Predicted Construction Noise Levels at Representative NSRs (Mitigated)

Appendix 5.12 Detailed Results of Road Traffic Noise Assessment (Mitigated)

Appendix 5.13 Site Constraints on the Eastbound of New Clear Water Bay Road near Shun Lee Estate

Appendix 5.14 Project Summary of Development of Anderson Road by CEDD

Appendix 8.1 Responses from Environmental Protection Department and Fire Services Department

Appendix 8.2 Aerial Photogrpahs of Year 2014 at 3 Sites

Appendix 9.1 Representative Photographs of Habitats Recorded within the Assessment Area

Appendix 9.2a Flora Species Recorded within the Assessment Area (Within the Project Site Boundary)

Appendix 9.2b Flora Species Recorded within the Assessment Area (Within 500 m Assessment Area)

Appendix 9.3 Photographs of Species of Conservation Importance

Appendix 9.4a Avifauna Species Recorded within the Assessment Area

Appendix 9.4b Butterfly Species Recorded within the Assessment Area

Appendix 9.4c Odonate Species Recorded within the Assessment Area

Appendix 9.4d Herpetofauna and Mammal Species Recorded within the Assessment Area

Appendix 9.4e Freshwater Communities Recorded within the Assessment Area

Appendix 10.1 Broad Brush Tree Survey Assessment Schedule

Appendix 11.1 The Landfill Gas Hazard Assessment Report for Development of Anderson Road Quarry Site Design and Construction

Appendix 11.2 Landfill Gas and Monitoring Data

Appendix 13.1 Summary of Environmental Impacts

Appendix 13.2 Key Assessment Assumptions, Limitation of Assessment Methodologies and related Prior Agreement(s)