Proposed Comprehensive Residential and Commercial
Development atop Siu Ho Wan Depot
Final Environmental Impact Assessment Report
CONTENT
|
1.1 |
Project Background |
|
1.2 |
Site Location and History |
|
1.3 |
The Project |
|
1.4 |
EIA Study Brief |
|
1.5 |
Designated Projects |
|
1.6 |
Objectives of the EIA Study |
|
1.7 |
Concurrent Projects |
|
1.8 |
Structure of This EIA Report |
|
2.1 |
Purposes and Objectives of the Project |
|
2.2 |
Environmental Benefits of the Project |
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2.3 |
Scenario “with” and “without” the Project |
|
2.4 |
Consideration of Development Options |
|
2.5 |
Key Element of Works |
|
2.6 |
Consideration of Alternative Construction
Methodologies |
|
2.7 |
Preferred Construction Methodologies |
|
2.8 |
Tentative Implementation Programme |
|
2.9 |
Reference |
|
3.1 |
Legislation, Standards and Guidelines |
|
3.2 |
Description of the Environment |
|
3.3 |
Air Sensitive Receivers |
|
3.4 |
Construction Dust Assessment |
|
3.5 |
Operational Air Quality Assessment |
|
3.6 |
Air Quality Impact Assessment Conducted
by SHO and SHD Replanning Works |
|
3.7 |
Conclusion |
|
3.8 |
References |
|
4.1 |
Legislation, Standards and Guidelines |
|
4.2 |
Description of the Environment |
|
4.3 |
Construction Noise Impact Assessment |
|
4.4 |
Road Traffic Noise Impact Assessment |
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4.5 |
Fixed Noise Sources Impact Assessment |
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4.6 |
Aircraft Noise Impact Assessment |
|
4.7 |
Rail Noise Assessment |
|
4.8 |
Helicopter Noise Assessment |
|
4.9 |
Marine Traffic Noise Assessment |
|
4.10 |
Noise Implications Caused by Elements to
be Implemented by SHO and SHD Replanning Works |
|
4.11 |
Conclusion |
|
5.1 |
Legislation, Standards and Guidelines |
|
5.2 |
Description of the Environment |
|
5.3 |
Assessment Area and Water Sensitive Receivers |
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5.4 |
Construction Phase Assessment |
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5.5 |
Operational Phase Assessment |
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5.6 |
Water Quality Impact Caused by Elements to be Implemented by SHO and SHD Replanning Works |
|
5.7 |
Conclusions |
|
6.1 |
Legislation, Standards and Guidelines |
|
6.2 |
Existing Conditions |
|
6.3 |
Methodology and Design Criteria |
|
6.4 |
Sewage Flow Estimation |
|
6.5 |
Proposed Development Sewerage Network |
|
6.6 |
Impacts and Mitigations |
|
6.7 |
Operation and Maintenance Responsibilities |
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7.1 |
Legislation, Standards and Guidelines |
|
7.2 |
Description of the Environment |
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7.3 |
Construction Phase |
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7.4 |
Operational Phase |
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7.5 |
Waste Management Implications Caused by
Elements to be Implemented by SHO and SHD Replanning Works |
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7.6 |
Conclusion |
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8.1 |
Legislation, Standards and Guidelines |
|
8.2 |
Baseline Conditions |
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8.3 |
Potentially Contaminated Sites |
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8.4 |
Land Contamination Assessment to be Conducted by SHO and SHD Replanning Works |
|
8.5 |
Conclusion |
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9.1 |
Introduction |
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9.2 |
Legislation, Standards and Guidelines |
|
9.3 |
Methodology for Baseline Establishment |
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9.4 |
Ecological Baseline Condition |
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9.5 |
Evaluation of Habitats and Species of
Conservation Importance |
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9.6 |
Impact Identification and Prediction |
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9.7 |
Impact Evaluation for Terrestrial Ecology |
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9.8 |
Impact Evaluation for Marine Ecology |
|
9.9 |
Mitigation Measures |
|
9.10 |
Cumulative Impacts |
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9.11 |
Residual Impacts |
|
9.12 |
Conclusions |
|
9.13 |
References |
|
10.1 |
Introduction |
|
10.2 |
Legislation, Standards and Guidelines |
|
10.3 |
Methodology for Baseline Establishment |
|
10.4 |
Fisheries Baseline Condition |
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10.5 |
Assessment Methodology |
|
10.6 |
Fisheries Impact Evaluation |
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10.7 |
Mitigation Measures |
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10.8 |
Cumulative Impacts |
|
10.9 |
EM&A for Fisheries |
|
10.10 |
Residual Impacts |
|
10.11 |
Conclusion |
|
10.12 |
References |
|
11.1 |
Legislation, Standards and Guidelines |
|
11.2 |
Assessment Methodology |
|
11.3 |
Review of Planning and Development
Control Framework |
|
11.4 |
Landscape Baseline Study |
|
11.5 |
Identification of Landscape Resources and
Landscape Character Areas |
|
11.6 |
Visual Baseline Study |
|
11.7 |
Landscape and Visual Impact Assessment
before Mitigation |
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11.8 |
Formulation of the Development Design
Concept |
|
11.9 |
Preliminary Compensatory Planting Proposal |
|
11.10 |
Landscape and Visual Mitigation Measures |
|
11.11 |
Residual Landscape Impact upon Mitigation |
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11.12 |
Residual Visual Impact upon Mitigation |
|
11.13 |
Landscape and Visual Implications Caused
by Elements to be Implemented by SHO and SHD Replanning Works |
|
11.14 |
Cumulative Impact |
|
11.15 |
Conclusion |
|
11.16 |
Reference |
|
12.1 |
Legislation, Standards and Guidelines |
|
12.2 |
Methodology |
|
12.3 |
Hazardous Facility |
|
12.4 |
Meteorological Conditions |
|
12.5 |
Population Data |
|
12.6 |
Siu Ho Wan Water Treatment Works |
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12.7 |
Quantitative Risk Assessment |
|
12.8 |
Hazard-to-life Caused by Elements to be Implemented
by SHO and SHD Replanning Works |
|
12.9 |
Conclusion |
|
12.10 |
References |
|
13.1 |
Introduction |
|
13.2 |
Project Organisation |
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13.3 |
EM&A Manual |
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13.4 |
Project Implementation Schedule |
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13.5 |
EM&A Programme |
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13.6 |
EM&A Requirement |
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14.1 |
General |
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14.2 |
Environmentally Friendly Options Considered and Incorporated to Avoid Environmental Impacts |
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14.3 |
Environmental Designs Recommended to Minimise and Mitigate Environmental Impacts |
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14.4 |
Summary of Key Environmental Problems Avoided and Sensitive Areas Protected |
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14.5 |
Estimated Population Protected from Various Environmental Impacts |
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14.6 |
Environmental Benefits of Environmental Protection Measures Recommended |
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14.7 |
Environmental Enhancements Included |
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14.8 |
Summary |
|
15.1 |
General |
|
15.2 |
Air Quality |
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15.3 |
Noise |
|
15.4 |
Water Quality |
|
15.5 |
Sewerage and Sewage Treatment Implications |
|
15.6 |
Waste Management Implication |
|
15.7 |
Land Contamination |
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15.8 |
Ecological Impact |
|
15.9 |
Fisheries Impact |
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15.10 |
Landscape and Visual Impact |
|
15.11 |
Hazard |
|
15.12 |
Overall |
Figures
Figure 1.1 Location of Project
Figure 1.2 Locations of Concurrent Projects
Figure 2.1 Design Considerations
Figure 2.2 Illustration of the Option of Use of
Noise Tolerant Building
Figure 2.3 Development Scheme of the Project
Figure 2.4 Proposed Arrangement of Sewerage
Utilities
Figure 3.1 Locations of Concerned PATH Grids
Figure 3.2 Location of Representative Air
Sensitive Receivers
Figure 3.3 Construction Dust Impact Assessment
Area
Figure 3.4a Contours of Cumulative Unmitigated
Maximum 1-Hour TSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.4b Contours of Cumulative Unmitigated 10th
Highest 24-Hour RSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.4c Contours of Cumulative Unmitigated
Annual RSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.4d Contours of Cumulative Unmitigated 10th
Highest 24-Hour FSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.4e Contours of Cumulative Unmitigated
Annual FSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.4f Contours of Cumulative Unmitigated
Maximum 1-Hour TSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.4g Contours of Cumulative Unmitigated 10th
Highest 24-Hour RSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.4h Contours of Cumulative Unmitigated
Annual RSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.4i Contours of Cumulative Unmitigated
10th Highest 24-Hour FSP Concentration at 13.6m Above Ground (Construction
Phase)
Figure 3.4j Contours of Cumulative Unmitigated
Annual FSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.5a Contours of Cumulative Mitigated
Maximum 1-Hour TSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.5b Contours of Cumulative Mitigated 10th
Highest 24-Hour RSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.5c Contours of Cumulative Mitigated Annual
RSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.5d Contours of Cumulative Mitigated 10th
Highest 24-Hour FSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.5e Contours of Cumulative Mitigated Annual
FSP Concentration at 1.5m Above Ground (Construction Phase)
Figure 3.5f Contours of Cumulative Mitigated
Maximum 1-Hour TSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.5g Contours of Cumulative Mitigated 10th
Highest 24-Hour RSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.5h Contours of Cumulative Mitigated Annual
RSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.5i Contours of Cumulative Mitigated 10th
Highest 24-Hour FSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.5j Contours of Cumulative Mitigated
Annual FSP Concentration at 13.6m Above Ground (Construction Phase)
Figure 3.6 Not Used
Figure 3.7 Operational Air Quality Assessment
Area
Figure 3.8 Locations of Potential Emission
Sources
Figure 3.9a Contours of
Cumulative 19th Highest 1-Hour NO2 Concentration at 1.5m Above
Ground (Operational Phase)
Figure 3.9b Contours of
Cumulative Annual NO2 Concentration at 1.5m Above Ground
(Operational Phase)
Figure 3.10a Contours of Cumulative 10th Highest 24-Hour RSP Concentration at 1.5m Above Ground (Operational Phase)
Figure 3.10b Contours of Cumulative Annual RSP Concentration at 1.5m Above Ground (Operational Phase)
Figure 3.11a Contours of
Cumulative 10th Highest 24-Hour FSP Concentration at 1.5m Above Ground
(Operational Phase)
Figure 3.11b Contours of
Cumulative Annual FSP Concentration at 1.5m Above Ground (Operational Phase)
Figure 3.12a Contours of Cumulative 19th Highest 1-Hour NO2 Concentration at 13.6m Above Ground (Operational Phase)
Figure 3.12b Contours of Cumulative Annual NO2 Concentration at 13.6m Above Ground (Operational Phase)
Figure 3.13a Contours of Cumulative 10th Highest 24-Hour RSP Concentration at 13.6m Above Ground (Operational Phase)
Figure 3.13b Contours of Cumulative Annual RSP Concentration at 13.6m Above Ground (Operational Phase)
Figure 3.14a Contours of Cumulative 10th Highest 24-Hour FSP Concentration at 13.6m Above Ground (Operational Phase)
Figure 3.14b Contours of Cumulative Annual FSP Concentration at 13.6m Above Ground (Operational Phase)
Figure 3.15a Contours of
Cumulative Maximum 5-Second Odour Concentration at 5m Above Ground
Figure 3.15b Contours of Cumulative Maximum 5-Second
Odour Concentration at 10m Above Ground
Figure 3.15c Contours of Cumulative Maximum 5-Second
Odour Concentration at 13.6m Above Ground
Figure
3.15d Contours of Cumulative Maximum 5-Second Odour Concentration at 50m
Above Ground
Figure 4.1 Locations of Key Existing and Planned
Noise Sources
Figure 4.1a Base Scheme of the Project
Figure 4.1b Modified Scheme for the Project
Figure 4.1c Proposed Canopy for the Project
Figure 4.2a NEF Contours (Year 2011)
Figure 4.2b NEF Contours (Year 2021)
Figure 4.2c NEF Contours (Year 2030)
Figure 4.2d NEF Contours (Year 2032)
Figure 4.3 Locations of Representative Existing
and Planned Noise Sensitive Receivers
Figure 4.3f Locations of Prevailing Background
Noise Measurement
Figure 4.4 Locations of Representative Noise
Assessment Points (Construction Noise)
Figure 4.5 Locations of Representative Noise
Assessment Points (Road Traffic Noise)
Figure 4.6 Overall Mitigation Measures for Road
Traffic Noise and Rail Noise
Figure 4.6e Noise Mitigation Measures for Rail
Noise from Existing SHD Operation
Figure 4.7 Locations of Representative Noise
Assessment Points (Fixed Noise)
Figure 4.7b Locations of Planned and Existing Fixed
Noise Sources and NSRs
Figure 4.8 Locations of Representative Noise
Assessment Points (Aircraft Noise)
Figure 4.9 Locations of Representative Noise
Assessment Points (Rail Noise)
Figure 4.10 Locations of Representative Noise
Assessment Points (Helicopter Noise)
Figure 5.1 Locations of Marine Water Quality
Monitoring Stations in the Vicinity of the Project
Figure 5.2 Locations of Water Sensitive Receivers
Figure 6.1 Existing, Planned and Proposed
Sewerage Network Overall Plan
Figure 6.2 Conceptual Design of the Sewerage
System within the Development
Figure 9.1 Ecological Survey Transects and
Aquatic Sampling Points
Figure 9.2 Recognised Sites of Conservation
Importance
Figure 9.3 Terrestrial Species of Conservation
Importance Recorded in the Reviewed Literature
Figure 9.4a Marine/ Estuarine Species (Except CWD)
of Conservation Importance Recorded within the Assessment Area and in the
Vicinity in the Reviewed Literature
Figure 9.4b Sighting Density and Density of Chinese
White Dolphins (CWD) with Corrected Survey Effort per km2 in Waters around
Lantau Island in 2015 (Hung 2016)
Figure 9.4c Comparison of Dolphin Densities with
Corrected Survey Effort per km2 in North Lantau Waters in 2011-2015
(Hung 2016)
Figure 9.5 Habitat Map and Locations of Species
of Conservation Importance Identified in Field Surveys
Figure 9.6 Photos of Habitats and Plant Species
of Conservation Importance
Figure 10.1 Fisheries Assessment Area and Site of
Fisheries Importance
Figure 10.2 Distribution of Fisheries Production
(Source: AFCD 2006)
Figure 10.3 Distribution of Fish Fry Production
(Source: AFCD 2006)
Figure 10.4a Distribution of Fishing Operations
(Vessels >15m) (Source: AFCD 2006)
Figure 10.4b Distribution of Fishing Operations
(Vessels <15m) (Source: AFCD 2006)
Figure 10.5 Fish Culture Zones in Hong Kong
(Source: AFCD 2006)
Figure 11.1 Key Concurrent Projects of The Site
Figure 11.2 Aerial Photo
Figure 11.3 Proposed Development Scheme
Figure 11.4 Landscape Resources Plan
Figure 11.5a Photographs of Landscape Resources
Figure 11.5b Photographs of Landscape Resources
Figure 11.5c Photographs of Landscape Resources
Figure 11.6 Landscape Character Areas Plan
Figure 11.7a Photographs of Landscape Character Areas
Figure 11.8 Visual Sensitive Receivers Plan
Figure 11.9a Photographs of Visual Sensitive Receivers
(Sheet 1 of 14)
Figure 11.9b Photographs of Visual Sensitive Receivers
(Sheet 2 of 14)
Figure 11.9c Photographs of Visual Sensitive Receivers
(Sheet 3 of 14)
Figure 11.9d Photographs of Visual Sensitive Receivers
(Sheet 4 of 14)
Figure 11.9e Photographs of Visual Sensitive Receivers
(Sheet 5 of 14)
Figure 11.9f Photographs of Visual Sensitive
Receivers (Sheet 6 of 14)
Figure 11.9g Photographs of Visual Sensitive Receivers
(Sheet 7 of 14)
Figure 11.9h Photographs of Visual Sensitive Receivers
(Sheet 8 of 14)
Figure 11.9i Photographs of Visual Sensitive
Receivers (Sheet 9 of 14)
Figure 11.9j Photographs of Visual Sensitive
Receivers (Sheet 10 of 14)
Figure 11.9k Photographs of Visual Sensitive Receivers
(Sheet 11 of 14)
Figure 11.9l Photographs of Visual Sensitive Receivers
(Sheet 12 of 14)
Figure 11.9m Photographs of Visual Sensitive Receivers
(Sheet 13 of 14)
Figure 11.9n Photographs of Visual Sensitive Receivers
(Sheet 14 of 14)
Figure 11.10 Mitigation Measures Plan
Figure 11.11a Photomontage for VSR1 Tung Chung New Town
Extension Tung Chung East Development (TCNTE TCE Development)
Figure 11.11b Photomontage for VSR1 Tung Chung New Town
Extension Tung Chung East Development (TCNTE TCE Development)
Figure 11.11c Photomontage for VSR3 Pak Mong Village
Figure 11.11d Photomontage for VSR3 Pak Mong Village
Figure 11.11e Photomontage for VSR4 Hong Kong Olympic
Trail
Figure 11.11f Photomontage for VSR4 Hong Kong Olympic
Trail
Figure 11.11g Photomontage for VSR5 Lo Fu Tau Country
Trail
Figure 11.11h Photomontage for VSR5 Lo Fu Tau Country
Trail
Figure 11.11i Photomontage for VSR6 Hong Kong Boundary
Crossing Facilities
Figure 11.11j Photomontage for VSR6 Hong Kong Boundary
Crossing Facilities
Figure 11.11k Photomontage for VSR7 Tai O – Tuen Mun
Ferry
Figure 11.11l Photomontage for VSR7 Tai O – Tuen Mun
Ferry
Figure 11.11m Photomontage for VSR8 North Lantau Highway
Figure 11.11n Photomontage for VSR8 North Lantau Highway
Figure 11.11o Photomontage for VSR12b Tuen Mun South
Coast
Figure 11.11p Photomontage for VSR12b Tuen Mun South
Coast
Figure 11.11q Photomontage for VSR13 Cheung Tung Road
Figure 11.11r Photomontage for VSR13 Cheung Tung Road
Figure 12.1 Societal Risk Guidelines
Figure 12.2 Site Location Plan
Figure 12.3 Population Data in the Vicinity of Siu
Ho Wan Water Treatment Works
Figure 12.4 Topography of SHW WTW & Nearby Area
Figure 12.5 Individual Risk Contour of Siu Ho Wan
Water Treatment Works
Figure 12.6 Societal Risk from Siu Ho Wan Water
Treatment Works
Appendices
Appendix 2.1 Summary of Areas
Appendix 2.2 Tentative Implementation Programme
Appendix 2.3 Construction Stage for SHD Replanning Works
Appendix 3.1 Calculations of Dust Emission and Active
Area
Appendix 3.1a Routing of Construction Vehicles
Appendix 3.2 AERMET Surface Characteristic Parameters
Appendix 3.3 Hourly Composite Vehicular Emission Factor
(for Construction Dust Assessment)
Appendix 3.4 Detailed Construction Dust Assessment
Results (Unmitigated)
Appendix 3.5 Justification of Dust Suppression
Efficiency
Appendix 3.6 Detailed Construction Dust Assessment
Results (Mitigated)
Appendix 3.7 Traffic Forecast
Appendix 3.8 EMFAC-HK Key Model Assumptions
Appendix 3.9 Hourly Composite Vehicular Emission Factor
(for Operational Air Quality Assessment)
Appendix 3.10 Details of Criteria Pollutant and Odourous
Emission Inventory
Appendix 3.11 Detailed Operational Air Quality Assessment
Results
Appendix 3.11a Detailed Air Quality Assessment Results from SHO and SHD Replanning
Works EIA
Appendix 3.11b Sensitivity Test on Contribution
from TM-CLK Link
Appendix 3.12 Detailed Odour Assessment Results
Appendix 4.1a Photo of Existing NSR
Appendix 4.1b NSRs and Area Sensitivity Rating Adopted in
Fixed Noise and Rail Noise Assessments
Appendix 4.2 SWL of PME
Appendix 4.3 Locations of Workfronts and Phases of
Construction
Appendix 4.4 Detailed PME Inventory
Appendix 4.5 Monthly Unmitigated Noise Contribution
Appendix 4.6 Unmitigated Construction Noise Impacts at
Selected NSRs
Appendix 4.7 Unmitigated Construction Noise Impacts at
Various Representative Floor Levels
Appendix 4.8 Sketch of Typical Temporary Noise Barrier/
Enclosure
Appendix 4.9 Monthly Mitigated Noise Contribution
Appendix 4.10 Mitigated Construction Noise Impacts at
Selected NSRs
Appendix 4.11 Mitigated Construction Noise Impacts at
Various Representative Floor Levels
Appendix 4.12 Computer Plot of Noise Model
Appendix 4.13 Key Map of Traffic Flow and Traffic Data at
2053
Appendix 4.14a Detailed Road Traffic Noise Level at NAPs
(Unmitigated) for Phase 1
Appendix 4.14b Detailed Road Traffic Noise Level at NAPs
(Unmitigated) for Phase 1 to Phase 2
Appendix 4.14c Detailed Road Traffic Noise Level at NAPs
(Unmitigated) for Phase 1 to Phase 3
Appendix 4.14d Detailed Road Traffic Noise Level at NAPs
(Unmitigated) for Full Occupation
Appendix 4.15a Detailed Road Traffic Noise Levels at NAPs
(Mitigated) for Phase 1
Appendix 4.15b Detailed Road Traffic Noise Levels at NAPs
(Mitigated) for Phase 1 to Phase 2
Appendix 4.15c Detailed Road Traffic Noise Level at NAPs
(Mitigated) for Phase 1 to Phase 3
Appendix 4.15d Detailed Road Traffic Noise Level at NAPs
(Mitigated) for Full Occupation
Appendix 4.16 Location of Planned and Existing Fixed Noise
Sources and NSRs
Appendix 4.17 Calculation of Cumulative Fixed Noise
Impacts
Appendix 4.18 Not Used
Appendix 4.19 Not Used
Appendix 4.20 Not Used
Appendix 4.21 Unmitigated Detailed Rail Noise Calculation
Appendix 4.22 Typical Noise Canopy Sections
Appendix 4.22a Section Drawing for Selected NSRs
Appendix 4.23 Mitigated Detailed Rail Noise Calculation
Appendix 4.25 Cumulative Mitigated Rail and Fixed Plant
Noise Calculation
Appendix 4.26 Helicopter Noise Assessment Area
Determination
Appendix 4.27 Detailed Helicopter Noise Assessment Results
Appendix 4.28 Helicopter Noise Contour
Appendix 5.1 Total Pollution Loading of Stormwater
During Operational Phase
Appendix 6.1 Sewage Flow Estimation
Appendix 6.2 Septicity Assessment
Appendix 6.3 Construction, Operation and Maintenance
Responsibility Matrix
Appendix 7.1 Construction Vehicles Routing
Appendix 8.1 Historical Aerial Photographs regarding the
Utilities and Accesses
Appendix 8.2 Information from EPD on CWP Register and
Incident Records
Appendix 8.3 Information from FSD on DG License and
Incident Records
Appendix 9.1 Plant Species Recorded within the Subject
Site and Assessment Area
Appendix 9.2 Bird Recorded within the Subject Site and
Assessment Area
Appendix 9.3 Amphibian Recorded within the Subject Site
and Assessment Area
Appendix 9.4 Butterfly Recorded within the Subject Site
and Assessment Area
Appendix 9.5 Dragonfly Recorded within the Subject Site
and Assessment Area
Appendix 9.6a Freshwater Fauna Recorded within the
Assessment Area during Dry Season
Appendix 9.6b Freshwater Fauna Recorded within the
Assessment Area during Wet Season
Appendix 11.1 Prediction of Visual Impact Based on Field
of View
Appendix 12.1 Transient Population
Appendix 12.2 Historical Chlorine Incident Records
Appendix 12.3 Generic Frequency Estimation Based on the
Historical Incident Results
Appendix 12.4 Plume Dimensions at different Release
Scenarios of SHWWTW
Appendix 12.5 Model Validation
Appendix 15.1 Key Assessment Assumptions and Limitation of
Assessment
Appendix 15.2 Summary of Environmental Impacts