Environmental Protection Department
West New Territories (WENT)
Landfill Extensions
Environmental Impact
Assessment Report
Contents
6 WASTE MANAGEMENT IMPLICATIONS
7 LANDFILL GAS HAZARD ASSESSMENT
8 IMPACT
ON LANDSCAPE AND VISUAL
11 POTENTIAL ENVIRONMENTAL IMPACT ASSOCIATED WITH PULVERIZED
FUEL ASH
12 ENVIRONMENTAL MONITORING AND AUDIT REQUIREMENTS
Appendices
Appendix 2.1 Tentative Outline Programme
Appendix 3.1a Past Monitoring Record for the Removal Efficiency of Flaring
System
Appendix 3.1b Past 10-year Odour Complaint Records
Appendix 3.3 Detailed
Calculations of Dust Emission Rate
Appendix 3.4 Detailed
Calculations of Vehicular Emission Rate
Appendix 3.6 Emission
Inventory
Appendix 3.7 Odour
Measurement Results
Appendix 3.9 Detailed
Results of Construction Dust Assessment
Appendix 3.10 Detailed
Assessment Results of AQO Pollutants
Appendix 3.11 Detailed
Assessment Results of Non-AQO Pollutants
Appendix 4.1 Construction
Plant Inventory and SWLs
Appendix 4.2a Construction Noise Impacts
Appendix 4.2b Cumulative Construction Noise Impacts
Appendix 4.3 Road
Traffic Noise Calculation
Appendix 4.4 Operation
Noise Calculation
Appendix 4.5 Path
Difference for Barges
Appendix 5.1 Groundwater
monitoring data of Existing WENT Landfill in 2006 and 2007
Appendix 5.2 Groundwater
measurement results for WENT Landfill Extension
Appendix 5.3 Meteorological
Data
Appendix 5.4 Leachate Generation for Existing WENT Landfill
Appendix 6.1 Summary
Table for Waste Management
Appendix 6.2 Waste
Management Plan
Appendix 7.1 Gas
Monitoring Data from 2002 to 2006 of Existing WENT Landfill
Appendix 7.2 Chapter
8 of LFG Guidance Note
Appendix 7.3 Landfill
Gas Protection Measures in Existing WENT Landfill
Appendix 7.4 Specific
Landfill Gas Protection Measures for Building Services
Appendix 10.1 Survey
frequency for various taxa
Appendix 10.2 Plant
Species Recorded within the Study Area
Appendix 10.3 Avifauna
Recorded in the Study Area
Appendix 10.4 Dragonfly
Recorded in the Study Area
Appendix 10.5 Butterfly
Recorded in the Study Area
Appendix 10.6 Herpetofauna & Mammals Recorded in the Study Area
Appendix 10.7 Aquatic
Fauna & Intertidal Fauna Recorded during the present study
Figures
Figure 2.6 Site
Formation Phasing Plan
Figure 3.1 Existing
WENT Landfill Dust Monitoring Locations ASR 4 & ASR 13
Figure 3.2 Existing
WENT Landfill VOC Monitoring Locations OM2 to OM5
Figure 3.3 Air
Sensitive Receivers
Figure 3.4i Dust Emission Source Locations (Contribution
from WENT Landfill Extension – Scenario 1)
Figure 3.4k Dust Emission Source Locations
(Contribution from WENT Landfill Extension – Scenario 2)
Figure 3.4m Dust Emission Source Locations
(Contribution from WENT Landfill Extension – Scenario 3)
Figure 3.5a Locations
of Potential Emission Sources
Figure 3.5b NO2 & SO2 Emission Sources
Location
Figure 3.6 Locations of Deodouriser
Units
Figure 3.7a Locations of Tipping Faces
Figure 3.7b Locations of Tipping Faces (with
Mitigation)
Figure 3.8a-1 Contours of 1-hour TSP Concentration at
1.5m above Ground (Scenario 1A)
Figure 3.8a-2 Contours of 24-hour TSP Concentration at
1.5m above Ground (Scenario 1A)
Figure 3.8a-3 Contours of 1-hour TSP Concentration at
1.5m above Ground (Scenario 1B)
Figure 3.8a-4 Contours of 24-hour TSP Concentration at
1.5m above Ground (Scenario 1B)
Figure 3.8a-5 Contours of Annual TSP Concentration at
1.5m above Ground (Scenario 1)
Figure 3.8a Contours of 1-hour TSP Concentration
at 1.5m above Ground (Scenario 2A)
Figure 3.8b Contours of 24-hour TSP Concentration
at 1.5m above Ground (Scenario 2A)
Figure 3.8c Contours of 1-hour TSP Concentration
at 1.5m above Ground (Scenario 2B)
Figure 3.8d Contours of 24-hour TSP Concentration
at 1.5m above Ground (Scenario 2B)
Figure 3.8d-1 Contours of 1-hour TSP Concentration at
1.5m above Ground (Scenario 2C)
Figure 3.8d-2 Contours of 24-hour TSP Concentration at
1.5m above Ground (Scenario 2C)
Figure 3.8e Contours of Annual TSP Concentration
at 1.5m above Ground (Scenario 2)
Figure 3.8h Contours of 1-hour TSP Concentration
at 1.5m above Ground (Scenario 3A)
Figure 3.8i Contours of 24-hour TSP
Concentration at 1.5m above Ground (Scenario 3A)
Figure 3.8j Contours of 1-hour TSP Concentration
at 1.5m above Ground (Scenario 3B)
Figure 3.8k Contours of 24-hour TSP Concentration
at 1.5m above Ground (Scenario 3B)
Figure 3.8l Contours of Annual TSP Concentration
at 1.5m above Ground (Scenario 3)
Figure 3.9a Contours of 1-hour NO2 Concentration
at 1.5m above Ground
Figure 3.9b Contours of 1-hour SO2 Concentration
at 1.5m above Ground
Figure 3.9c Contours of 24-hour NO2 Concentration
at 1.5m above Ground
Figure 3.9d Contours of 24-hour SO2 Concentration
at 1.5m above Ground
Figure 3.9e Contours of 24-hour RSP Concentration
at 1.5m above Ground
Figure 3.9f Contours of Annual NO2 Concentration
at 1.5m above Ground
Figure 3.9g Contours of Annual SO2 Concentration
at 1.5m above Ground
Figure 3.9h Contours of Annual RSP Concentration
at 1.5m above Ground
Figure 3.10a Contours of Odour Concentration at 1.5m
above Ground (Scenario 1)
Figure 3.10b Contours of Odour Concentration at 1.5m
above Ground (Scenario 2 with Mitigation)
Figure 3.10c Contours of Odour Concentration at 1.5m
above Ground (Scenario 3)
Figure 3.10d Contours of Odour Concentration at 1.5m
above Ground (Scenario 4 with Mitigation)
Figure 3.10e Contours of Odour Concentration at 1.5m
above Ground (Scenario 5 with Mitigation)
Figure 4.2a Notional Distance from NSR-1
Figure 4.2b Notional Distance from NSR-2
Figure 4.3 Off-site Receivers along Lung Kwu Tan Road
Figure 4.4 Distances of NSR-1 from Barges and
Plants
Figure 4.5 Existing Berths and Noise Bund
Figure 4.6 Screening Effect for Tipping
Activities
Figure 5.1 Groundwater Monitoring Stations at
Existing WENT Landfill
Figure 5.2 Marine Water Quality Monitoring
Stations (DM4, DM5 and NM5)
Figure 5.3 River Water Monitoring Stations in
Deep Bay Water Control Zone
Figure 5.4 Water Sensitive Receivers
Figure 5.4a Proposed Drainage Layout
Figure 5.5 Groundwater Contours for WENT
Landfill Extension
Figure 5.6 Schematic Diagram of the Leachate Treatment Plant
Figure 7.2 Existing WENT Landfill Gas
Monitoring Locations
Figure 7.3 Landfill Liner and Final Capping
Details
Figure 7.5 Mitigation Measures (Sealing of
Fault Line)
Figure 7.6 Typical Design of LFG Cut-Off
Trench Barrier
Figure 7.7 Existing Landfill and Landfill
Extension Gas Monitoring Plan
Figure 8.2 Landscape Character Area Plan
Figure 8.3 Landscape Resource Plan
Figure 8.4 Visually Sensitive Receiver Plan
Figure 8.7 View of VSR3 (Sheet 1 of 2)
Figure 8.7a View of VSR3 (Sheet 2 of 2)
Figure 8.8 View of VSR4 (Sheet 1 of 3)
Figure 8.8a View of VSR4 (Sheet 2 of 3)
Figure 8.8b View of VSR4 (Sheet 3 of 3)
Figure 8.9 View of VSR5 (Sheet 1 of 2)
Figure 8.9a View of VSR5 (Sheet 2 of 2)
Figure 8.10 View of VSR6 (Sheet 1 of 2)
Figure 8.10a View of VSR6 (Sheet 2 of 2)
Figure 8.13 Tree Survey Boundary
Figure 9.1 Location of Cultural Heritage
Survey at WENT Landfill Extension
Figure 9.2 Location of Built Heritage
Figure 9.3 Geological Map of Study Area
Figure 9.4 1963 Map of the Study Area
Figure 9.5 Previous Achaeological
Works at Tsang Tsui Archaeological Site
Figure 9.6 Plan of Idendified Tsang Tsui Site and
Archaeological Study Area
Figure 9.7 Controal
Points for Archaeological Survey within Study Area
Figure 9.8 Distribution
of 2008 Archaeological Works at Tsang Tsui
Figure 9.9 Section Profiles of Test Pits T16
to T18
Figure 9.10 Section Profiles of Test Pits T19 to
T21
Figure 9.11 Section Profiles of Test Pits T22 to
T24
Figure 9.12 Section Profiles of Test Pits T25 to
T27
Figure 9.13 Section Profiles of Test Pits T28 to
T30
Figure 9.14 Revised Boundary of Tsang Tsui Archaeological Site
Figure 10.1 Study area, sites/features of
conservation importance and sampling locations for fauna
Figure 10.2 Habitat map and species of conservation
interest
Figure 10.3 Photos of habitats and species of
conservation interest
Figure 10.6 Sampling stations of the CPCC benthic
survey
Figure 10.7 Proposed site for translocation of
Pitcher Plant
Figure 10.8 Cross section of mitigation pond for
Little Grebe