THE GOVERNMENT OF THE HONG KONG SPECIAL ADMINISTRATIVE REGION DRAINAGE SERVICES DEPARTMENT |
Tolo Harbour Sewerage of Unsewered Areas, Stage II
-
Investigation,
Design and Construction
Sai
O Trunk Sewer Sewage Pumping Station
Environmental
Impact Assessment Report
Volume
I – Main Text
TABLE
OF CONTENTS
1.1......... Background
1.2......... Purpose
of the EIA
Report
1.3......... Objectives
of the EIA
Report
1.4......... Structure
of the Report
2.1......... Project
Location and Description
2.2......... Need
of the Project
2.3......... Consideration
of Alternative Locations and Design Options
2.4......... Considerations
of Construction Methods and Sequences of Works
2.5......... Selection
of Preferred Scenario
2.6......... Construction
Programme
2.7......... Concurrent
Project
3.1......... Introduction
3.2......... Environmental
Legislation, Standards and Guidelines
3.3......... Description
of the Environment and Future Trend
3.4......... Identification
of Pollution Sources
3.5......... Assessment
Methodology
3.6......... Prediction
and Evaluation of Environmental Impacts
3.7......... Recommended
Mitigation Measures
3.8......... Evaluation
of Residual Impacts
3.9......... Environmental
Monitoring and Audit
3.10....... Conclusion
4.1......... Introduction
4.2......... Environmental
Legislation, Standards and Criteria
4.3......... Description
of the Environment
4.4......... Noise
Sensitive Receivers
4.5......... Identification
of Environmental Impacts
4.6......... Assessment
Methodology
4.7......... Prediction
and Evaluation of Environmental Impacts
4.8......... Mitigation
of Adverse Environmental Impacts
4.9......... Evaluation
of Residual Impacts
4.10....... Environmental
Monitoring and Audit
4.11....... Conclusion
5.1......... Introduction
5.2......... Environmental
Legislation, Standards and Guidelines
5.3......... Description
of Environment
5.4......... Water
Sensitive Receivers
5.5......... Assessment
Methodology
5.6......... Identification
of Environmental Impacts
5.7......... Evaluation
of Environmental Impacts
5.8......... Mitigation
Measures
5.9......... Residual
Environmental Impacts
5.10....... Environmental
Monitoring and Audit
5.11....... Conclusion
6. waste
management implications
6.1......... Introduction
6.2......... Environmental
Legislation, Standards and Guidelines
6.3......... Assessment
Methodology
6.4......... Identification
and Evaluation of Potential Impacts
6.5......... Mitigation
Measures
6.6......... Evaluation
of Residual Impacts
6.7......... Environmental
Audit
6.8......... Conclusion
7.1......... Introduction
7.2......... Environmental
Standards and Guidelines
7.3......... Assessment
Methodology
7.4......... Description
of the Environment
7.5......... Site
Appraisal
7.6......... Prediction
and Evaluation of Land Contamination Impacts
7.7......... EM&A
Requirements
7.8......... Conclusion
8. ECOLOGY
(Terrestrial and Aquatic)
8.1......... Introduction
8.2......... Environmental
Legislation, Standards and Guidelines
8.3......... Assessment
Methodology
8.4......... Description
of the Environment
8.5......... Ecological
Value
8.6......... Identification
of Potential Impacts
8.7......... Prediction
and Evaluation of Environmental Impacts
8.8......... Mitigation
of Adverse Environmental Impacts
8.9......... Evaluation
of Residual Impacts
8.10....... Environmental
Monitoring and Audit
8.11....... Conclusion
8.12....... Reference
9.1......... Introduction
9.2......... Environmental
Legislation, Standards and Guidelines
9.3......... Population
Data
9.4......... Hazard
Identification
9.5......... Frequency
Assessment
9.6......... Consequence
Assessment
9.7......... Risk
Assessment
9.8......... Conclusion
10 Landscape
and Visual Impact
10.1....... Introduction
10.2....... Environmental
Legislation, Standards and Criteria
10.3....... Assessment
Methodology
10.4....... Review
of Planning and Development Control Framework
10.5....... Baseline
Study
10.6....... Landscape
Impact Assessment
10.7....... Visual
Impact Assessment
10.8....... Landscape
and Visual Mitigation Measures
10.9....... Residual
Impact
10.10..... Environmental
Monitoring and Audit
10.11..... Conclusion
11.1....... Introduction
11.2....... Environmental
Legislation, Standards and Guidelines
11.3....... Assessment
Methodology
11.4....... Background
Information
11.5....... Baseline
Condition
11.6....... Review
on Cultural Heritage Potential
11.7....... Impact
Assessment
11.8....... Mitigation
Measures
11.9....... Environmental
Monitoring and Audit
11.10..... Conclusion
11.11..... Bibliography
12. environmental
monitoring & audit requirements
12.1....... Introduction
12.2....... Air
Quality Impact
12.3....... Noise
Impact
12.4....... Water
Quality Impact
12.5....... Waste
Management Implications
12.6....... Land
Contamination
12.7....... Ecological
Impact
12.8....... Hazard
to Life
12.9....... Landscape
and Visual Impact
12.10..... Cultural
Heritage Impact
13. IMPLEMENTATION
SCHEDULE OF THE PROPOSED MITIGATION MEASURES
14. Summary
of Environmental Outcomes
14.1....... Overview
14.2....... Environmental
Benefits of the Project
14.3....... Environmentally
Friendly Designs Recommended
14.4....... Key
Environmental Problems Avoided and Compensation Area Included
14.5....... Population
and Environmentally Sensitive Areas Protected
14.6....... Environmental
Protection Measures Recommended
15.1....... Introduction
15.2....... Air
Quality
15.3....... Noise
15.4....... Water
Quality
15.5....... Waste
Management Implications
15.6....... Land
Contamination
15.7....... Ecology
15.8....... Hazard
to Life
15.9....... Landscape
and Visual
15.10..... Cultural
Heritage
15.11..... Overall
Conclusion
List of Tables
Table 2.1 Environmental
Considerations for the Alternative Locations
Table 2.2 Comparison
of Alternative Location Options
Table 3.1 Hong
Kong Air Quality Objectives
Table 3.2 Summary
of the Latest Available Five-Year Air Quality Data at Tai Po Air Quality
Monitoring Station (2015 to 2019)
Table 3.3 Air
Pollutants Concentrations in 2020 Predicted from PATH-2016 Model
Table 3.4 Representative
Air Sensitive Receivers
Table 3.5 Predicted
Maximum 5-second Average Odour Concentration at Representative Air Sensitive
Receivers
Table 4.1 Daytime
Construction Noise Criteria
Table 4.2 Area
Sensitivity Ratings
Table 4.3 Acceptable
Noise Level for Fixed Plant Noise
Table 4.4 Representative
Noise Sensitive Receivers
Table 4.5 Summary
of Predicted Construction Noise Levels without Mitigation Measures
Table 4.6 Summary
of Predicted Fixed Plant Noise Levels without Mitigation Measures
Table 4.7 Proposed
Quiet PME for the Project
Table 4.8 Predicted
Construction Noise Levels at Representative Noise Sensitive Receivers –
Mitigated Scenario
Table 4.9 Predicted
Cumulative Construction Noise Levels at Representative Noise Sensitive
Receivers – Mitigated Scenario
Table 4.10 Predicted
Fixed Plant Noise Level with Mitigation Measures
Table 5.1 Summary
of Water Quality Objectives for Tolo Harbour and Channel WCZ
Table 5.2 Summary
Statistics of Marine Water Quality in Tolo Harbour and Channel WCZ (TM6 &
TM7) in 2019
Table 5.3 Summary
of Baseline Water Quality Survey Results
Table 6.1 Summary
of Estimated Quantities of C&D Materials Generated during Construction of
the Project
Table 6.2 Summary
of Waste Handling Procedures and Disposal Routes
Table 7.1 Aerial
Photographs Reviewed
Table 8.1 Size
of Habitats Recorded within the Assessment Area
Table 8.2 Total
Abundance and Biomass of Each Faunal Group
Table 8.3 Overall
Abundance and Biomass Recorded from Each Sampling Site
Table 8.4 Physical
Conditions of the Spot-check Dive Sites
Table 8.5 Species,
Coverage, Size, Condition and Translocation Feasibility of Corals Found at the
Spot-check Dive Sites
Table 8.6 Physical
Conditions of the REA Transect
Table 8.7 Ecological
and Substratum Attributes of REA1
Table 8.8 Size,
Health Condition and Translocation Feasibility of Coral Colony Recorded at REA1
Table 8.9 Ecological
Evaluation of the Project Site
Table 8.10 Ecological
Evaluation of Woodland within the Assessment Area
Table 8.11 Ecological
Evaluation of Mixed Woodland within the Assessment Area
Table 8.12 Ecological
Evaluation of Plantation within the Assessment Area
Table 8.13 Ecological
Evaluation of Shrubland within the Assessment Area
Table 8.14 Ecological
Evaluation of Grassland within the Assessment Area
Table 8.15 Ecological
Evaluation of Developed Area/Wasteland within the Assessment Area
Table 8.16 Ecological
Evaluation of Modified Watercourse within the Assessment Area
Table 8.17 Ecological
Evaluation of Natural Watercourse within the Assessment Area
Table 8.18 Ecological
Evaluation of Seashore, Subtidal Hard Bottom Habitat and Subtidal Soft Bottom
Habitat within the Assessment Area
Table 8.19 Floral
and Faunal Species of Conservation Importance Recorded during Previous and
Recent Ecological Surveys
Table 8.20 Evaluation
of Ecological Impact to Woodland within the Assessment Area
Table 8.21 Evaluation
of Ecological Impact to Mixed Woodland within the Assessment Area
Table 8.22 Evaluation
of Ecological Impact to Plantation within the Assessment Area
Table 8.23 Evaluation
of Ecological Impact to Shrubland within the Assessment Area
Table 8.24 Evaluation
of Ecological Impact to Grassland within the Assessment Area
Table 8.25 Evaluation
of Ecological Impact to Developed Area/Wasteland within the Assessment Area
Table 8.26 Evaluation
of Ecological Impacts to Modified Watercourse and Natural Watercourse within
the Assessment Area
Table 8.27 Evaluation
of Ecological Impacts to Intertidal Habitats
Table 8.28 Evaluation
of Ecological Impacts to Subtidal Hard Bottom Habitat and Subtidal Soft Bottom
Habitat
Table 8.29 Summary
of Potential Impacts to Species of Conservation Importance Recorded in the
Assessment Area
Table 10.1 Relationship
between Landscape Sensitivity and Magnitude of Change in Defining Impact
Significance
Table 10.2 Relationship
between VSRs Sensitivity and Magnitude of Change in Defining Impact
Significance
Table 10.3 Summary
of the Review of Planning and Development Control Framework
Table 10.4 Baseline
LRs and their Sensitivity
Table 10.5 Baseline
LCAs and their Sensitivity
Table 10.6 Baseline
VSRs and their Sensitivity
Table 10.7 Magnitude
of Landscape Impacts during Construction and Operation
Table 10.8 Magnitude
of Visual Impacts during Construction and Operation
Table 10.9 Landscape
and Visual Mitigation Measures for Construction Phase
Table 10.10 Landscape
and Visual Mitigation Measures for Operational Phase
Table 10.11 Significance
of Landscape Impacts during Construction and Operational Phases
Table 10.12 Significance
of Visual Impacts during Construction and Operational Phases
Table 13.1 Implementation
Schedule of the Proposed Mitigation Measures for Air Quality Impact
Table 13.2 Implementation
Schedule of the Proposed Mitigation Measures for Noise Impact
Table 13.3 Implementation
Schedule of the Proposed Mitigation Measures for Water Quality Impact
Table 13.4 Implementation
Schedule of the Proposed Mitigation Measures for Waste Management Implications
Table 13.5 Implementation
Schedule of the Proposed Mitigation Measures for Land Contamination Issues
Table 13.6 Implementation
Schedule of the Proposed Mitigation Measures for Ecological Impact
Table 13.7 Implementation
Schedule of the Proposed Mitigation Measures for Hazard to Life
Table 13.8 Implementation
Schedule of the Proposed Mitigation Measures for Landscape and Visual Impact
Table 13.9 Implementation
Schedule of the Proposed Mitigation Measures for Cultural Heritage Impact
Table 14.1 Key
Recommended Mitigation Measures