Contents                                                                                                                                                   

 

9                 WATER QUALITY

 

 

 

Appendices

 

Appendix 9A1        Construction Sequence and Construction Programme – HKBCF (Sequence A)

Appendix 9A2        Construction Sequence and Construction Programme – HKBCF (Sequence B)

Appendix 9B          Comparison of Sediment Loss Rate of Sequence A and Sequence B

Appendix 9C          Construction Sequence and Construction Programme – HKLR Reclamation

Appendix 9D1        Sediment Testing Results for TM-CLKL

Appendix 9D2        Summary of Proposed Simulations for Water Quality Modelling for the HKBCF, HKLR and TM-CLKL           

Appendix 9D3        Calculation of Loss Coefficients for Bridge Piers

Appendix 9D4        Pollution Loading Inventory

Appendix 9D5        Cumulative Dredging and Sediment Loss Rates

Appendix 9D6        Water Quality Mitigation – Silt Curtain Application

Appendix 9D7        2026 Quality Modelling Results

Appendix 9D8        2011 Construction Plumes Modelling Results

Appendix 9D9        2012 Construction Plumes Modelling Results

Appendix 9D10      2013 Construction Plumes Modelling Results

Appendix 9D11      Mitigated Scenario for (2+1) Silt Curtain System

Appendix 9D12      Sensitivity Test for TSHD High Overflow Scenario in PRD

Appendix 9E          Model Validation

Appendix 9E1        Modelling Verification Plots - Grid Refinement

Appendix 9E2        Modelling Verification Plots - Baseline  

Appendix 9E3        Modelling Verification Plots - Sequence B

Appendix 9F          Modelling Results for HKBCF Sequence B

 

Figures

Figure 9.1            Location Plan for HKBCF, TMCLKL and HKLR

Figure 9.2a          Envisaged Programmed of Reclamation and Sediment Loss Rates of HKBCF(Sequence A)+HKLR+TMCLKL

Figure 9.2b          Envisaged Programmed of Reclamation and Sediment Loss Rates of HKBCF(Sequence B)+HKLR+TMCLKL

Figure 9.3            Management Frameworks for Dredged/Excavated Sediment

Figure 9.4            Key Areas of Seabed Disturbance

Figure 9.5            Location of Water Quality and Ecological Sensitive Receivers

Figure 9.6            Monitoring Stations used for the Management of Contaminated Mud Pits at East of Sha Chau (2000-2005)

Figure 9.7            Sediment Sampling Locations for TMCLKL, HZMB and others (Indicative)

Figure 9.8            Coverage of Western Harbour Model

Figure 9.9            Comparison of Original and Refined Model Grids

Figure 9.10          Assumed Ultimate Coastline when HKBCF+HKLR+TMCLKL is completed (2026)

Figure 9.11          Main Flow Channel in Western Harbour

Figure 9.12          Indicative Location of Box Culverts for Discharges of Storm Waters from TMCLKL

Figure 9.13          Indicative Location of Box Culverts for Discharges of Storm Waters and Treated Effluent (HKBCF+HKLR)

Figure 9.14          Location Plan for the Proposed Pits to Receive Mf sediment in HKBCF

Figure 9.15          Proposed Details and Mitigation measures for the Pits to Receive Mf sediment in HKBCF

Figure 9.16          Location Plan for the Proposed Pits to Receive Mf sediment in HKLR

Figure 9.17          Proposed Details and Mitigation measures for the Pits to Receive Mf sediment in HKLR

Figure 9.18          2011 Dry Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Unmitigated Scenario)

Figure 9.19          2011 Dry Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Mitigated Scenario)

Figure 9.20          2011 Wet Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Unmitigated Scenario)

Figure 9.21          2011 Wet Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Mitigated Scenario)

Figure 9.22          2012 Dry Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Unmitigated Scenario)

Figure 9.23          2012 Dry Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Mitigated Scenario)

Figure 9.24          2012 Wet Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Unmitigated Scenario)

Figure 9.25          2012 Wet Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Mitigated Scenario)

Figure 9.26          2013 Dry Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Unmitigated Scenario)

Figure 9.27          2013 Dry Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Mitigated Scenario)

Figure 9.28          2013 Wet Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Unmitigated Scenario)

Figure 9.29          2013 Wet Season Predicted Maximum Sediment Plumes and Dolphin Density in North Lantau Waters (Mitigated Scenario)