Contents
1.1 Background.......................................................................................................................................................... 1-1
1.2 Objectives
of This EIA Study................................................................................................................................. 1-2
1.3 The
Structure of This EIA Report.......................................................................................................................... 1-3
2.1 Description
of the Project....................................................................................................................................... 2-1
2.2 The
Scope of the Project....................................................................................................................................... 2-2
2.3 Dock
Operation..................................................................................................................................................... 2-3
2.4 Consideration
of Alternative Options and Methods for the Project.......................................................................... 2-5
2.5 Construction
Programme....................................................................................................................................... 2-6
2.6 Interfacing
with Other Projects............................................................................................................................... 2-6
3.1 Introduction........................................................................................................................................................... 3-1
3.2 Environmental
Legislation, Standards and Guidelines........................................................................................... 3-2
3.3 Description
of Environment.................................................................................................................................... 3-9
3.4 Water
Sensitive Receivers.................................................................................................................................. 3-11
3.5 Baseline
Environmental Conditions..................................................................................................................... 3-12
3.6 Assessment
Methodology.................................................................................................................................... 3-39
3.7 Impact
Evaluation................................................................................................................................................ 3-44
3.8 Mitigation
Measures............................................................................................................................................ 3-66
3.9 Residual
Impacts................................................................................................................................................. 3-68
3.10 Environmental
Monitoring and Audit Requirements............................................................................................. 3-70
3.11 Conclusions........................................................................................................................................................ 3-70
4.1 Introduction........................................................................................................................................................... 4-1
4.2 Environmental
Legislation, Standards and Guidelines........................................................................................... 4-1
4.3 Assessment
Methodology...................................................................................................................................... 4-4
4.4 Baseline
Condition of Marine Sediment................................................................................................................. 4-5
4.5 Impact
Evaluation................................................................................................................................................ 4-10
4.6 Mitigation
Measures............................................................................................................................................ 4-12
4.7 Residual
Impacts................................................................................................................................................. 4-13
4.8 Environmental
Monitoring and Audit Requirements............................................................................................. 4-13
4.9 Conclusions........................................................................................................................................................ 4-13
5.1 Introduction........................................................................................................................................................... 5-1
5.2 Environmental
Legislation, Policies, Plans, Standards and Criteria........................................................................ 5-1
5.3 Description
of Environment.................................................................................................................................... 5-3
5.4 Assessment
Methodology...................................................................................................................................... 5-4
5.5 Impact
Evaluation.................................................................................................................................................. 5-7
5.6 Mitigation
Measures.............................................................................................................................................. 5-9
5.7 Residual
Impacts................................................................................................................................................... 5-9
5.8 Environmental
Monitoring and Audit Requirements............................................................................................... 5-9
5.9 Conclusion............................................................................................................................................................ 5-9
6.1 Introduction........................................................................................................................................................... 6-1
6.2 Description
of Relocation Project........................................................................................................................... 6-2
6.3 Assessment
of Risk Incidents................................................................................................................................. 6-9
6.4 Identification
of Mitigation Measures..................................................................................................................... 6-13
6.5 Conclusions
and Recommendations.................................................................................................................... 6-15
7.1 Introduction........................................................................................................................................................... 7-1
7.2 Environmental
Legislation and Standards.............................................................................................................. 7-1
7.3 Sensitive
Receivers.............................................................................................................................................. 7-1
7.4 Oil
Spillage Sources.............................................................................................................................................. 7-1
7.5 Historical
Spillage Incidents................................................................................................................................... 7-1
7.6 Oil
Pollution Contigency Procedure ...................................................................................................................... 7-3
7.7 Potential
Impact of Oil Spillage............................................................................................................................... 7-3
7.8 Cumulative
Impacts............................................................................................................................................... 7-4
7.9 Mitigation
Measures.............................................................................................................................................. 7-4
7.10 Residual
Impacts................................................................................................................................................... 7-5
7.11 Conclusions.......................................................................................................................................................... 7-5
8.1 Water
Quality......................................................................................................................................................... 8-1
8.2 Waste
Management............................................................................................................................................... 8-1
8.3 Air
Quality............................................................................................................................................................. 8-2
8.4 Hazard
Assessment for the Dock at Tsing Yi......................................................................................................... 8-2
8.5 Oil
Spillage during the Dock Operation at Tsing Yi................................................................................................. 8-2
8.6 Environmental
Outcome........................................................................................................................................ 8-2
8.7 Overall
Conclusions.............................................................................................................................................. 8-4
Figures
Figure 1-1 The
Location of the Existing Floating Dock and Proposed New Site
Figure 2-1 The
General Arrangement of the Existing Dock
Figure 2-2 The
Locations of Existing Dock and Anchor Blocks
Figure 2-3 The
Locations of Proposed Dock Site and Anchor Blocks and nearby Floating Docks
Figure 3-1 Locations
of the North Western WCZ and Western Buffer WCZ
Figure 3-2 Depth
Average Peak Velocities during a Typical Flood Tide in a Wet Season
Figure 3-3 Depth
Average Peak Velocities during a Typical Ebb Tide in a Wet Season
Figure 3-4 The
Locations of Major Pollution Sources at the Existing Site
Figure 3-5 The
Locations of Major Pollution Sources at the Proposed Site
Figure 3-6 Locations
of Adjacent Beaches
Figure 3-7 Locations
of Adjacent Fish Culture Zones
Figure 3-8 EPD
Water Quality Monitoring Stations
Figure 3-9 EPD
Sediment Quality Monitoring Stations in Typhoon Shelters and Open Waters of
Hong Kong
Figure 3-10 Sampling
Locations at the Existing Site
Figure 3-11 Sampling
Locations at the Proposed Site
Figure 3-12 Sampling
Locations of Reference Sediment
Figure 3-13 The
Sediment Classification of the Collection Sediment Samples at the Existing Site
Figure 3-14 The
Sediment Classification of the Collection Sediment Samples at the Proposed Site
Figure 3-15 The
Pit and the Anchor Block
Figure 3-16 The
Discharge Points of the Dock
Figure 3-17 Schematic
Design of the Settling Tank
Figure 3-18
The Design of Airlift Suction Dredge Rig
Figure 5-1 Location
of Nearby Air Sensitve Receivers
Figure 5-2 Air
Quality Impact Assessment Area
Figure 6-1 Relocation
Process Flow Diagrams
Figure 6-2 Location
of Yiu Lian Floating Dock No.3 at Tsing Yi
Appendices
Construction
Programme
Literature
Review on the Handling and Treatment Methods for Contaminated Sediment
Ship
Receiving Procedure
Literature
Review on the Characteristics and Potential Environmental Impacts of Non-TBT
Antifouling Paints
Bioaccumulation
Test Report
Illustration
of the Dredging Process at the Existing Site
Water
Quality Objectives for North Western Water Control Zone and Western Buffer
Water Control Zone
Conceptual
Design of Silt Curtain
Air
Pollution Emission Rates
Air Quality
Modelling Results
Evacuation
Plan for Floating Dock No. 3
Oil
Pollution Contingency Procedure