1.1 Project
Background
1.2 Background
to this EIA
1.3 Purpose
and Approach of the EIA Study
1.4 Structure
of this EIA Study Report
2.1 Location
and Description of the Project
2.2 Need
of the Project
2.3 Scenarios
With and Without the Projects
2.4 Consideration
of Alternative Design and Layout of Proposed Tai O STW
2.5 Consideration
of Alternative Construction Methods and Sequences of Work for Tai O STW
2.6 Design
of Submarine Sewage Outfall
2.7 Consideration
of Alternative Construction Methods and Sequences of Work for Tai O submarine
outfall
2.8 Alternative
Sewage Treatment Process
2.9 Selection
of Preferred Scheme
2.10 Effluent
Reuse
2.11 Measures
for Effluent Reuse to avoid Potential Health Impacts
2.12 Consideration
of Alternative Site Location of Proposed Hang Mei SPS
2.13 Consideration
of Alternative Site Location of Proposed Fan Kwai Tong SPS
2.14 Project Tentative Implementation
Programme
2.15 Public
Consultations
2.16 Project
Interface / Concurrent Projects
3.1 Introduction
3.2 Relevant
Legislations, Standards & Guidelines
3.3 Baseline
Environmental Conditions
3.4 Air
Sensitive Receivers
3.5 Impact
Assessment - Construction Phase
3.6 Construction
Dust Impact Assessment Methodology
3.7 Prediction
of Construction Dust Impact
3.8 Odour
Assessment Methodology
3.9 Prediction
of Odour Impact
3.10 Mitigation
Measures
3.11 Environmental
Monitoring and Audit Requirements
3.12 Conclusion
4.1 Introduction
4.2 Relevant
Legislations, Standards & Guidelines
4.3 Description
of the Existing Noise Environment
4.4 Construction
Noise Impact Assessment
4.5 Operational
Noise Impact Assessment
5.1 Introduction
5.2 Relevant Legislations, Standards & Guidelines
5.3 Assessment Methodologies
5.4 Study Area and Water Sensitive Receivers
5.5 Baseline Water Quality Conditions and Trend
5.6 Water Quality Impact Assessment
5.7 Water Pollution Mitigation and Management
5.8 Cumulative Impacts
5.9 Evaluation of Residual Impacts
5.10 Environmental Monitoring and Audit Requirements
5.11 Conclusion
5.12 References
6. WASTE
MANAGEMENT IMPLICATION
6.1 Introduction
6.2 Relevant
Legislation Standards & Guidelines
6.3 Assessment
Methodology
6.4 Waste
Generation and Potential Impacts
6.5 Mitigation
Measures
6.6 Residual
Impacts
6.7 Environmental
Monitoring and Audit Requirements
6.8 Conclusion
7.1 Introduction
7.2 Relevant
Legislation, Standards & Guidelines
7.3 Assessment
Methodology
7.4 Description
of the Environment
7.5 Site
History
7.6 Review
of Environmental Information from the Government
7.7 Identification
and Evaluation of Potential Impacts
7.8 Residual
Impacts
7.9 Environmental
Monitoring and Audit Requirements
7.10 Conclusions
8.1 Introduction
8.2 Relevant
Legislation, Standards & Guidelines
8.3 Assessment
Methodology
8.4 Description
of Existing Ecological Baseline Conditions
8.5 Evaluation
of Habitats and Species of Ecological Importance
8.6 Impact
Identification
8.7 Impact
Evaluation
8.8 Impact
Avoidance and Mitigation Measures
8.9 Residual
Impacts
8.10 Environmental
Monitoring and Audit Requirements
8.11 Conclusions
8.12 References
9.1 Introduction
9.2 Environmental
Legislation, Standards & Guidelines
9.3 Methodology
for Baseline Establishment
9.4 Assessment
Methodology
9.5 Baseline
Conditions
9.6 Impact
Identification and Evaluation
9.7 Mitigation
of Impacts
9.8 Residual
Impacts
9.9 Environmental
Monitoring and Audit
9.10 Conclusion
9.11 References
10.1 Introduction
10.2 Relevant
Legislations, Standards & Guidelines
10.3 Study
Area and Sensitive Receivers
10.4 Evaluation
of Potential Impacts
10.5 Mitigation
Measures
10.6 Residual
Environmental Impacts
10.7 Environmental
Monitoring and Audit
10.8 Conclusion
10.9 References
11.1 Introduction
11.2 Project
Summary
11.3 Review
of Planning and Development Control Framework
11.4 Relevant
Legislations, Standards & Guidelines
11.5 Landscape
and Visual Impact Assessment Methodology
11.6 Existing
Landscape and Visual Baseline
11.7 Landscape
and Visual Impact Assessment
11.8 Recommended
Mitigation Measures
11.9 Residual
Landscape and Visual Impacts
11.10 Conclusion
12. ENVIRONMENTAL
MONITORING AND AUDIT REQUIREMENTS
12.1 Introduction
12.2 Air
Quality
12.3 Noise
12.4 Water
Quality
12.5 Waste
Management
12.6 Land
Contamination
12.7 Ecology
12.8 Fisheries
12.9 Cultural
Heritage
12.10 Landscape and Visual
13. Implementation
Schedule of Mitigation Measures
13.1 Introduction
14. Summary
Of Environmental Outcomes And Overall Conclusion
14.1 Project
Summary
14.2 Key
Environmental Outcomes
14.3 Overall
Conclusions
List of
Appendices
Appendix 2.1 Approved Tai O Fringe Outline Zoning Plan No. S/I-TOF/2
Appendix 2.2 Tai O Sewage Treatment Works Construction Sequence
Appendix 3.1 Odour
Survey Methodology, Locations and Survey Results
Appendix 3.2 Dust
Emission Factor
Appendix 3.3 Odour
Emission Factor
Appendix 3.4 List of
Correspondences
Appendix 3.5 PATH
Concentration
Appendix 3.6 Concurrent
Project Locations
Appendix 4.1 Construction
Plant Inventory – Unmitigated Scenario
Appendix 4.2 Photographs
of Representative NSRs
Appendix 4.3 Detailed
Calculation of Construction Noise Levels at Representative NSRs - Unmitigated
Scenario
Appendix 4.4 Construction
Plant Inventory - Mitigated Scenario
Appendix 4.5 Detailed
Calculation of Construction Noise Levels at Representative NSRs - Mitigated
Scenario
Appendix 4.6 Construction
Plant Inventory - Further Mitigated Scenario
Appendix 4.7 Detailed
Calculation of Construction Noise Levels at Representative NSRs - Mitigated
Scenario - Level 1 + 3 Mitigation Measures
Appendix 4.8 Detailed
Calculation of Operation Noise Levels - Unmitigated Scenario
Appendix 4.9 Detailed
Calculation of Operation Noise Levels - Mitigated Scenario
Appendix 5.1 Laboratory
Testing Results from Elutriate Test
Appendix 5.2 Details on
Hydrodynamic and Water Quality Modelling
Appendix 5.3 Simulation
Results of the release of Suspended Sediment
Appendix 5.4 Time-series
Comparison of Magnitude and Direction of Tidal Flow
Appendix 5.5 Contour Plots
of Simulated Parameters
Appendix 5.6 Time-series
Comparisons of Simulated Water Quality Concentrations
Appendix 5.7 Contour
Plots Comparison of Key Water Quality Indicators
Appendix 6.1 Endorsed
Sediment Sampling and Testing Plan
Appendix 6.2 Laboratory
Report of Sediment Sampling
Appendix 6.3 Laboratory
Report of Biological Tests
Appendix 6.4 Correspondence
from Marine Fill Committee
Appendix 7.1 Correspondences
with Government Department for Potential Land Contamination Sites - EPD
Appendix 7.2 Correspondences
with Government Department for Potential Land Contamination Sites – FSD
Appendix 7.3 Location
Plan of Site Photography
Appendix 8.1 Ecological
Baseline Survey Report – Terrestrial
Appendix 8.1a Summary of
Verification Survey
Appendix 8.2 Ecological
Baseline Survey Report – Marine
Appendix 10.1 Methodology
and Result of Marine Archaeological Review
Appendix 10.2 Visual
Diver Survey Report
Appendix 10.3 Built
Heritage Catalogue
Appendix 10.4 Methodology
for Archaeological Watching Brief
Appendix 10.5 Cross
Reference Checklist for Tai O
Appendix 11.1 Existing
Trees Conditions and Tree Schedule for the Trees at the Development Site
Extracted from the Tree Survey Report under “Agreement No. CE 31/2007(DS)
Upgrading of Cheung Chau and Tai O Sewage Collection, Treatment and Disposal
Facilities – Investigation”
Appendix 11.2 Conceptual
Landscape Mitigation Plans
Appendix 11.3 Existing
Site Photos for Proposed Sewers Works
Appendix 11.4 Typical
Photos of Visual Screen/Hoarding
Appendix 11.5 Additional
Viewpoints for Tai O STW and Hang Mei SPS
Appendix 11.6 Proposed
Works in Tai O and Outline Zoning Plan
List of
Figures
Proposed Works in Tai O |
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Proposed Works near Nam Chung Tsuen in Tai O |
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Tai O Sewage Treatment Works General Layout - Option 1 -
Modified Original Location of Tai O STW |
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Schematic Flow Diagram of Upgraded Tai O STW |
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Hang Mei Sewage Pumping Station General Layout |
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Fan Kwai Tong Sewage Pumping Station
General Layout |
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Option 2 - Alternative Location at St. Stephen's Tai O Family |
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Option 3 - Alternative Location at North of St. Stephen's Tai O
Family |
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Option 4 - Alternative Arrangement of Tai O STW - Split Option A |
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Option 5 - Alternative Arrangement of Tai O STW - Split Option B |
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Option 6 - Alternative Site Formation Method of Tai O STW -
Cavern |
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Option 7 - Alternative Site Formation Method of Tai O STW -
Platform Deck |
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Options for Hang Mei SPS Site |
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Options for Fan Kwai Tong SPS Site |
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Air Sensitive Receivers Key Plan |
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Air Sensitive Receivers (Sheet 1 of 14) |
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Air Sensitive Receivers (Sheet 2 of 14) |
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Air Sensitive Receivers (Sheet 3 of 14) |
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Air Sensitive Receivers (Sheet 4 of 14) |
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Air Sensitive Receivers (Sheet 5 of 14) |
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Air Sensitive Receivers (Sheet 6 of 14) |
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Air Sensitive Receivers (Sheet 7 of 14) |
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Air Sensitive Receivers (Sheet 8 of 14) |
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Air Sensitive Receivers (Sheet 9 of 14) |
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Air Sensitive Receivers (Sheet 10 of 14) |
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Air Sensitive Receivers (Sheet 11 of 14) |
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Air Sensitive Receivers (Sheet 12 of 14) |
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Air Sensitive Receivers (Sheet 13 of 14) |
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Air Sensitive Receivers (Sheet 14 of 14) |
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Contour Plot of Maximum 1-Hour TSP Concentration in μg/m3 at 1.5m above ground (Unmitigated) |
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Contour Plot of 10th Maximum 24-hour RSP
Concentration in μg/m3 at 1.5m
above ground (Unmitigated) |
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Contour Plot of 10th Maximum 24-hour FSP
Concentration in μg/m3 at 1.5m above
ground (Unmitigated) |
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Contour Plot of Annual RSP Concentration in μg/m3
at 1.5m above ground (Unmitigated) |
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Contour Plot of Annual FSP Concentration in μg/m3
at 1.5m above ground (Unmitigated) |
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Contour Plot of Maximum 1-hour TSP Concentration in μg/m3 at 1.5m above ground (Mitigated) |
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Contour Plot of 10th Maximum 24-hour RSP
Concentration in μg/m3 at 1.5m
above ground (Mitigated) |
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Contour Plot of 10th Maximum 24-hour FSP
Concentration in μg/m3 at 1.5m
above ground (Mitigated) |
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Contour Plot of Annual RSP Concentration in μg/m3
at 1.5m above ground (Mitigated) |
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Contour Plot of Annual FSP Concentration in μg/m3
at 1.5m above ground (Mitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 1.5m
above ground during construction phase (Mitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 1.5m
above ground during operational phase (Unmitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 5m
above ground during operational phase (Unmitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 10m
above ground during operational phase (Unmitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 15m
above ground during operational phase (Unmitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 1.5m
above ground during operational phase (Mitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 5m
above ground during operational phase (Mitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 10m
above ground during operational phase (Mitigated) |
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Contour Plot of 5-second Odour concentration in OU unit at 15m
above ground during operational phase (Mitigated) |
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Noise Sensitive Receivers Key Plan |
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Noise Sensitive Receivers (Sheet 1 of 11) |
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Noise Sensitive Receivers (Sheet 2 of 11) |
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Noise Sensitive Receivers (Sheet 3 of 11) |
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Noise Sensitive Receivers (Sheet 4 of 11) |
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Noise Sensitive Receivers (Sheet 5 of 11) |
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Noise Sensitive Receivers (Sheet 6 of 11) |
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Noise Sensitive Receivers (Sheet 7 of 11) |
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Noise Sensitive Receivers (Sheet 8 of 11) |
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Noise Sensitive Receivers (Sheet 9 of 11) |
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Noise Sensitive Receivers (Sheet 10 of 11) |
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Noise Sensitive Receivers (Sheet 11 of 11) |
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Tai O Sewage Treatment Works Location of Operational Fixed Plant
Noise Source |
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Fan Kwai Tong Sewage Pumping Station
Location of Operational Fixed Plant Noise Source |
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Hang Mei Sewage Pumping Station Location of Operational Fixed
Plant Noise Source |
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Water Sensitive Receivers |
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WSRs in Tai O Area |
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WQ Assessment Points |
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WQ Monitoring Locations |
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Elutriate Test Sampling Location |
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Spatial and Vertical Extent of Marine Sediments Requiring
Disposal |
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Year 1945 Aerial Photo Photo No: 3092 |
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Year 1972 Aerial Photo Photo No: 1512 |
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Year 1978 Aerial Photo Photo No: 22996 |
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Year 1980 Aerial Photo Photo No: 29189 |
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Year 1994 Aerial Photo Photo No:
CN9066 |
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Year 2011 Aerial Photo Photo No:
CS33835 & CS33828 |
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Identified Chemical Waste Producer (Sheet 1 of 2) |
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Identified Chemical Waste Producer (Sheet 2 of 2) |
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Identified Dangerous Good Stores |
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Layout Plan of Existing Tai O Sewage Treatment Works |
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Assessment Area and Sites of Fisheries Importance |
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Marine-Based Project Location |
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Distribution of Adult Fish Production |
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Distribution of Fish Fry Production |
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Distribution of Fishing Operations |
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The Value of Fisheries Production |
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Zones for Culture Fisheries in Hong Kong |
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Location of Tai O Site of Archaeological Interest |
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Further Location of Tai O Site of Archaeological Interest (Outside
Study Area) |
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Location of Tai O Fu Shan Site of Archaeological Interest |
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Study Area for the Marine Archaeological Investigation |
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Summary of Seabed Features and Magnetic Anomalies Plan |
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Location of Built Heritage Resources (Sheet 1 of 15) |
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Location of Built Heritage Resources (Sheet 2 of 15) |
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Location of Built Heritage Resources (Sheet 3 of 15) |
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Location of Built Heritage Resources (Sheet 4 of 15) |
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Location of Built Heritage Resources (Sheet 5 of 15) |
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Location of Built Heritage Resources (Sheet 6 of 15) |
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Location of Built Heritage Resources (Sheet 7 of 15) |
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Location of Built Heritage Resources (Sheet 8 of 15) |
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Location of Built Heritage Resources (Sheet 9 of 15) |
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Location of Built Heritage Resources (Sheet 10 of 15) |
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Location of Built Heritage Resources (Sheet 11 of 15) |
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Location of Built Heritage Resources (Sheet 12 of 15) |
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Location of Built Heritage Resources (Sheet 13 of 15) |
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Location of Built Heritage Resources (Sheet 14 of 15) |
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Location of Built Heritage Resources (Sheet 15 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 1 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 2 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 3 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 4 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 5 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 6 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 7 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 8 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 9 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 10 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 11 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 12 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 13 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 14 of 15) |
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Assessment of Terrestrial Archaeological Potential within
Project in Tai O (Sheet 15 of 15) |
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Location of Landscape Resource Around Tai O STW |
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Location of Landscape Character Areas Around Tai O STW |
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Location of Visually Sensitive Receivers and Visual Envelop of
Tai O STW |
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Location of Landscape Resource Around Hang Mei SPS |
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Location of Landscape Character Areas Around Hang Mei SPS |
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Location of Visually Sensitive Receivers and Visual Envelop of
Hang Mei SPS |
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Location of Landscape Resource Around Fan Kwai
Tong SPS |
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Location of Landscape Character Areas Around Fan Kwai Tong SPS |
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Location of Visually Sensitive Receivers and Visual Envelop of
Fan Kwai Tong SPS |
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Photo of Landscape Resources and Landscape Character Areas
(Sheet 1 of 5) |
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Photo of Landscape Resources and Landscape Character Areas
(Sheet 2 of 5) |
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Photo of Landscape Resources and Landscape Character Areas
(Sheet 3 of 5) |
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Photo of Landscape Resources and Landscape Character Areas
(Sheet 4 of 5) |
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Photo of Landscape Resources and Landscape Character Areas
(Sheet 5 of 5) |
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Photo of Visually Sensitive Receivers (Sheet 1 of 2) |
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Photo of Visually Sensitive Receivers (Sheet 2 of 2) |
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Photomontage of the Proposed Tai O STW (View from VSR STW-1) |
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Photomontage of the Proposed Tai O STW (View from VSR STW-2) |
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Photomontage of the Proposed Hang Mei SPS (View from VSR HM-1) |
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Photomontage of the Proposed Hang Mei SPS (View from VSR HM-2) |
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Photomontage of the Proposed Hang Mei SPS (View from VSR HM-3) |
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Photomontage of the Proposed Fan Kwai
Tong SPS (View from VSR FKT-1) |
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Photomontage of the Proposed Fan Kwai
Tong SPS (View from VSR FKT-2) |
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Photomontage of the Proposed Fan Kwai
Tong SPS (View from VSR FKT-3) |
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Landscape Impacts |
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Mitigation Plan for Tai O STW (Construction and Operation) |
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Mitigation Plan for Hang Mei SPS (Construction and Operation) |
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Mitigation Plan for Fan Kwai Tong SPS
(Construction and Operation) |
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Mitigation Plan for Proposed Sewers Works (Construction) |