Civil Engineering and Development Department

Pier Improvement at Tung Ping Chau

Environmental Impact Assessment

Contents

1 Introduction 1-1

2 Project Description 2-1

3 Air Quality 3-1

4 Noise 4-1

5 Water Quality 5-1

6 Waste Management Implications 6-1

7 Land Contamination 7-1

8 Ecological Impact Assessment 8-1

9 Landscape and Visual Impact 9-1

10 Fisheries 10-1

11 Cultural Heritage 11-1

12 Environmental Monitoring and Auditing Requirements 12-1

13 Summary of Environmental Outcomes 13-1

14 Conclusion 14-1

Figures

Figure 1.1 Location of Project (Tung Ping Chau)

Figure 1.2 Photo of the Existing Tung Ping Chau Public Pier

Figure 1.3 Layout of Project

Figure 3.1 Locations of Representative Air Sensitive Receivers and Concerned PATH Grids

Figure 4.1 Locations of Representative Noise Sensitive Receivers

Figure 5.1 Locations of Representative Water Sensitive Receivers and EPD Monitoring Stations

Figure 5.2 Landforms of Tung Ping Chau and Ping Chau Hoi

Figure 5.3 Hydrographic Survey

Figure 5.4 Comparison of Proposed Tung Ping Chau Public Pier and Sharp Island Pier

Figure 8.1a Ecological Survey Locations within the 500m Assessment Area of Tung Ping Chau

Figure 8.1b Ecological Survey Locations within the 500m Assessment Area of Tung Ping Chau (Zoom in to the Existing Public Pier)

Figure 8.2 Distribution of Coral Colonies around Tung Ping Chau Public Pier (EIA PP-222/2004)

Figure 8.3 Recognized Sites of Conservation Importance and Coral Coverage at Hong Kong Reef Check Sites (2019 Results)

Figure 8.4 Habitat Map and Locations of Species of Conservation Importance (Excluding Hard Coral)

Figure 8.5a Photos of Habitat and Selected Species of Conservation Importance

Figure 8.5b Photos of Habitat and Selected Species of Conservation Importance (cont’d)

Figure 8.6 Hard Coral Density Map on a 5m × 5m Grid Size

Figure 8.7 Location of the Tentative Pier Improvement Area

Figure 8.8 Hard Coral Distribution on Seabed within the Tentative Pier Improvement Area (Excluding Coral Colonies on Artificial Vertical Seawall and Old Pillars)

Figure 8.9 Size Distribution of Hard Coral Colonies on Seabed within the Tentative Pier Improvement Area (Excluding Coral Colonies on Artificial Vertical Seawall and Old Pillars)

Figure 8.10 Distribution of Rare Species Platygyra yaeyamaensis within the Tentative Pier Improvement Area (No Rare Species on the Vertical Surface)

Figure 8.11 Hard Coral Distribution within the Proposed Pier Extension and the Temporary Pier

Figure 8.12 Distribution of Coral >30cm and Rare Species (Platygyra yaeyamaensis) with their Movability within the Proposed Pier Extension

Figure 9.1a Review of Planning and Development Control Framework – Sheet 1 of 2

Figure 9.1b Review of Planning and Development Control Framework – Sheet 2 of 2

Figure 9.2 Landscape Resources

Figure 9.3a Photographs of Landscape Resources – Sheet 1 of 2

Figure 9.3b Photographs of Landscape Resources – Sheet 2 of 2

Figure 9.4 Landscape Character Areas

Figure 9.5 Photographs of Landscape Character Areas

Figure 9.6 Visual Envelope and Visually Sensitive Receivers

Figure 9.7a Visual Context of Visually Sensitive Receivers – Sheet 1 of 4

Figure 9.7b Visual Context of Visually Sensitive Receivers – Sheet 2 of 4

Figure 9.7c Visual Context of Visually Sensitive Receivers – Sheet 3 of 4

Figure 9.7d Visual Context of Visually Sensitive Receivers – Sheet 4 of 4

Figure 9.8 Recommended Landscape and Visual Mitigation Plan

Figure 9.9ai Photomontages – Viewpoint A at VSR 1 – Sheet 1 of 2

Figure 9.9aii Photomontages – Viewpoint A at VSR 1– Sheet 2 of 2

Figure 9.9bi Photomontages – Viewpoint B at VSR 2 – Sheet 1 of 2

Figure 9.9bii Photomontages – Viewpoint B at VSR 2 – Sheet 2 of 2

Figure 9.9ci Photomontages – Viewpoint C at VSR 3 – Sheet 1 of 2

Figure 9.9cii Photomontages – Viewpoint C at VSR 3 – Sheet 2 of 2

Figure 9.9di Photomontages – Viewpoint D at VSR 4 – Sheet 1 of 2

Figure 9.9dii Photomontages – Viewpoint D at VSR 4 – Sheet 2 of 2

Figure 10.1 Distribution of Fisheries Production (Port Survey 2016/17, AFCD)

Figure 10.2 Distribution of Fishing Vessel Operation (sampan) (Port Survey 2016/17, AFCD)

Figure 10.3 Distribution of Fishing Vessel Operation (other types of fishing vessels) (Port Survey 2016/17, AFCD)

Figure 10.4 Distribution of Fisheries Production (sampan) (Port Survey 2016/17, AFCD)

Figure 10.5 Distribution of Fisheries Production (other types of fishing vessels) (Port Survey 2016/17, AFCD)

Figure 10.6 Distribution of artificial reefs deployment sites within Tung Ping Chau Marine Park

Figure 10.7 Locations of Fish Culture Zones in Hong Kong

Figure 11.1 Assessment Area for Marine Archaeological Investigation

Figure 11.2 Seabed Features and Distribution of Sonar Contacts

Appendices

Appendix 2.1 Tentative Construction Programme

Appendix 2.2 Locations of Concurrent Projects

Appendix 4.1 Photos of the Representative NSRs

Appendix 4.2 SWLs for PME

Appendix 4.3 Detailed Plant Inventory

Appendix 4.4 Locations of Workfronts

Appendix 4.5 Unmitigated Construction Noise Impacts at Selected NSRs

Appendix 5.1 Outline of Emergency Spillage Plan

Appendix 7.1 Historical Aerial Photos

Appendix 7.2 Correspondences with FSD and EPD

Appendix 7.3 Photo Records of Site Survey

Appendix 7.4 Site Walkover Checklist

Appendix 8.1 Plant Species and Relative Abundance Recorded within the 500m Assessment Area

Appendix 8.2 Bird Species and Relative Abundance Recorded within the 500m Assessment Area

Appendix 8.3 Reptile Species Recorded within the 500m Assessment Area

Appendix 8.4 Amphibian Species Recorded within the 500m Assessment Area

Appendix 8.5 Dragonfly Species Recorded within the 500m Assessment Area

Appendix 8.6 Butterfly Species Recorded within the 500m Assessment Area

Appendix 8.7 Aquatic Fauna Recorded within the 500m Assessment Area

Appendix 8.8A Intertidal Organisms Recorded in the Qualitative Survey within the 500m Assessment Area (Wet season)

Appendix 8.8B Intertidal Organisms Recorded in the Qualitative Survey within the 500m Assessment Area (Dry season)

Appendix 8.9A Intertidal Organisms Recorded in the Quantitative Survey within the 500m Assessment Area (Wet season)

Appendix 8.9B Intertidal Organisms Recorded in the Quantitative Survey within the 500m Assessment Area (Dry Season)

Appendix 8.10A Abundance of Subtidal Benthos Species Recorded at Each Sampling Location within the 500m Assessment Area during Wet Season

Appendix 8.10B Biomass of Subtidal Benthos Species Recorded at Each Sampling Location within the 500m Assessment Area during Wet Season

Appendix 8.10C Abundance of Subtidal Benthos Species Recorded at Each Sampling Location within the 500m Assessment Area during Dry Season

Appendix 8.10D Biomass of Subtidal Benthos Species Recorded at Each Sampling Location within the 500m Assessment Area during Dry Season

Appendix 8.11 REA Dive Survey Results in Tung Ping Chau

Appendix 8.12 List of Coral Colonies Found within the Tentative Pier Improvement Area

Appendix 11.1 Detailed Results of Side Scan Sonar

Appendix 11.2 Sub-bottom Profiler Data Showing the Geological Succession

Appendix 11.3 Image of Processed Magnetic Intensity over the Survey Area

Appendix 11.4 Marine Geophysical Summary Report

Appendix 12.1 Environmental Mitigation Implementation Schedule

Appendix 14.1 Key Assessment Assumptions and Limitation of Assessment Methodologies

Appendix 14.2 Summary of Environmental Impacts Associated with the Project

Annexes

Annex 8.1 Rating of REA Results