Environmental Impact Assessment Report - Volume I
TABLE OF CONTENTS
Chapter
Title
1.
INTRODUCTION
2.
Consideration of Alternatives
3.
description of the extension
4.
AIR QUALITY IMPACT ASSESSMENT
5.
NOISE
6.
WATER QUALITY ASSESSMENT
7.
WASTE MANAGEMENT ASSESSMENT
8.
LANDFILL GAS HAZARDS
9
ECOLOGY
10.
LANDSCAPE AND VISUAL IMPACTS
11.
ENVIRONMENTAL MONITORING AND AUDIT REQUIREMENTS
12
CONCLUSION AND SUMMARY OF ENVIRONMENTAL OUTCOMES
Figure List
Figure 2.2a
Project Location
Figure 2.3a
Option 1a
Figure 2.3b
Option 1b
Figure 2.3c
Option 2
Figure 2.3d
Option 3a
Figure 2.3e
Option 3b
Figure 3.1a
Location of Extension Site
Figure 3.3a
Layout Plan of the Extension
Figure 3.3b
Layout Plan of the Infrastructure Area
Figure 3.3c
Liner and Cap
Figure 3.3d
Landfill Gas Collectors for the Extension
Figure 3.3e
Existing Well Re-connection
Figure 3.3f
Overcap and Over Leachate Layer Gas Collection
Figure 3.3g
Leachate Management System
Figure 3.3h
Process Flow Diagram of Proposed Leachate Treatment
Figure 3.3i
Surface Water Drainage
Figure 3.3j
Groundwater Management System
Figure 3.4a
Project Programme
Figure 3.6a
Phase 1A
Figure 3.6b
Phase 1B
Figure 3.6c
Phase 2A
Figure 3.6d
Phase 2B
Figure 3.6e
Phase 3A
Figure 3.6f
Phase 3B
Figure 3.6g
Phase 4A
Figure 3.6h
Phase 4B
Figure 3.6i
Phase 5A
Figure 3.6j
Phase 5B
Figure 3.6k
Phase 6
Figure 3.9a
Lasting Filling Area of the Existing SENT Landfill
Figure 3.9b
C&D Material Handing Facility
Figure 4.4a
Location of Air Sensitive Receivers
Figure 4.5a
Location of Last Filling Area of the Existing SENT Landfill and Dusty Construction Works Area of the Extension
Figure 4.6a -1
Location of Odour Emission Sources for each Waste Filling Phase (1 of 2)
Figure 4.6a -2
Location of Odour Emission Sources for each Waste Filling Phase (2 of 2)
Figure 4.6b
Onsite Odour Sampling by Flux Chamber
Figure 4.7a-1
Isopleths of Maximum Hourly TSP Concentration at 1.5m Above Ground During Construction Phase (Blasting)
Figure 4.7a-2
Isopleths of Cumulative Maximum TSP Concentration at 1.5m Above Ground During Construction Phase (Construction Works)
Figure 4.7b
Isopleths of Daily Concentration at 1.5m above ground during Construction Phase
Figure 4.7c-1
Isopleths of Cumulative Maximum Hourly NO2 Concentration at 1.5m above ground during Operation/Restoration Phase
Figure 4.7c-2
Isopleths of Cumulative Maximum Hourly NO2 Concentration at 30m above ground during Operation/Restoration Phase
Figure 4.7d-1
Isopleths of Cumulative Maximum Hourly CO Concentration at 1.5m above ground during Operation/Restoration Phase
Figure 4.7d-2
Isopleths of Cumulative Maximum Hourly CO Concentration at 30m above ground during Operation/Restoration Phase
Figure 4.7e-1
Isopleths of Cumulative Maximum Hourly SO2 Concentration at 1.5m above ground during Operation/Restoration Phase
Figure 4.7e-2
Isopleths of Cumulative Maximum Hourly SO2 Concentration at 30m above ground during Operation/Restoration Phase
Figure 4.7f
Predicted Worse-case 5 sec Odour Concentration at 1.5m above ground (Source Height at 10m above ground)
Figure 4.7g
Predicted Worse-case 5 sec Odour Concentration at 1.5m above ground (Source Height at 30m above ground)
Figure 4.7h
Predicted Worst-case 5 sec Odour Concentration at 1.5m above Ground (Source Height at 50m above ground)
Figure 4.7i
Predicted Worst-case 5 sec Odour Concentration at 1.5m above Ground (Source Height at 70m above ground)
Figure 4.7j
Predicted Worst-case 5 sec Odour Concentration at 1.5m above Ground (Source Height at 100m above ground)
Figure 4.7k
Predicted Worst-case 5 sec Odour Concentration at 1.5m above Ground (Source Height at 130m above ground)
Figure 4.7l-1
Zone of Possible Impact Due to Landfill Odour Emission from the Extension ( Area with a Potential for Exceedance of Odour Criterion) (Phases 1 to 3)
Figure 4.7l-2
Zone of Possible Impact Due to Landfill Odour Emission from the Extension ( Area with a Potential for Exceedance of Odour Criterion) (Phases 4 to 6)
Figure 4.7m-1
Isopleths of Cumulative Maximum Hourly NO2 Concentration at 1.5m above ground during Aftercare Phase
Figure 4.7m-2
Isopleths of Cumulative Maximum Hourly NO2 Concentration at 30m above ground during Aftercare Phase
Figure 4.7n-1
Isopleths of Cumulative Maximum Hourly CO Concentration at 1.5m above ground during Aftercare Phase
Figure 4.7n-2
Isopleths of Cumulative Maximum Hourly CO Concentration at 30m above ground during Aftercare Phase
Figure 4.7o-1
Isopleths of Cumulative Maximum Hourly SO2 Concentration at 1.5m above ground during Aftercare Phase
Figure 4.7o-2
Isopleths of Cumulative Maximum Hourly SO2 Concentration at 30m above ground during Aftercare Phase
Figure 4.9a - 1
Indicative Recommended Rephasing Plan
Figure 4.9a - 2
Figure 4.9b - 1
Zone of Possible Impact Due to Landfill Odour Emission (Area with a Potential for Exceedance of Odour Criterion) (After Rephasing - no waste tipping between July and November at Northern Sector) (Phases 1 to 3)
Figure 4.9b - 2
Zone of Possible Impact Due to Landfill Odour Emission (Area with a Potential for Exceedance of Odour Criterion) (After Rephasing - no waste tipping between July and November at Northern Sector) (Phases 4 to 5)
Figure 4.10a
Location of Dust and Ambient Air Quality Monitoring Stations during Construction, Operation/Restoration and Aftercare Phases
Figure 5.3a
The 300m Study Area for Noise Impact Assessment and Noise Sensitive Receivers along Wan Po Road and Chiu Shun Road
Figure 5.3b
Locations of the Noise Sensitive Receivers for Assessment (Page 1 of 4)
Figure 5.3c
Locations of the Noise Sensitive Receivers for Assessment (Page 2 of 4)
Figure 5.3d
Locations of the Noise Sensitive Receivers for Assessment (Page 3 of 4)
Figure 5.3e
Locations of the Noise Sensitive Receivers for Assessment (Page 4 of 4)
Figure 5.3f
Locations of the Planned Noise Sensitive Receivers for Assessment
Figure 5.3g
Proposed Infrastructure Area of the Extension
Figure 6.2a
Assessment Area for the Water Quality Impact Assessment
Figure 6.4a
Identified Water Sensitive Receivers and Groundwater Monitoring Location
Figure 6.6a
Leachate Generation in SENT Landfill Extension
Figure 8.2a
250m Consultation Zone of SENT Landfill and the Extension
Figure 8.5a
Typical Details of Impermeable Liner at SENT Landfill
Figure 8.5b
Location of Landfill Gas Monitoring Boreholes at SENT Landfill
Figure 8.5c
Geological Profile (1/2)
Figure 8.5d
Geological Profile (2/2)
Figure 8.5e
Underground Utilities at SENT Landfill Infrastructure Area
Figure 8.6a
Typical Details of Flexible Membrane Protection for Buildings
Figure 8.6b
Subfloor Venting
Figure 8.6c
Natural Material Cut-off Barrier
Figure 8.6d
Typical Detail of Collar Seal (Cross-section)
Figure 8.6e
Vented Manhole (Cross-section)
Figure 8.6f
Vented Gas Interceptor Cavity (Cross-section)
Figure 9.6a
Habitat Map of the Study Area
Figure 9.6b
Survey Transects and Point Count Location for Wildlife Survey
Figure 9.6c
Location of Subtidal Survey
Figure 9.7a
Photographic Records of Plantation Within the Study Area
Figure 9.7b
Photographic Records of Shruland Within the Study Area
Figure 9.7c
Photographic Records of Grassland Within the Study Area
Figure 9.7d
Photographic Records of Seasonal Streams Within the Study Area
Figure 9.7e
Photographic Records of Disturbed/Developed Area Within the Study Area
Figure 9.7f
Location of Species of Conservation Interest within the Study Area (exclude Black Kite)
Figure 9.7g
Photographic Records of Sandy Beach Within the Study Area and the Current Conditions of the Subtidal Dive Survey Sites
Figure 9.7h
Photographic Records of the Extension Site
Figure 9.9a
Impacts of Construction of SENT Landfill Extension on Existing Habitas within the Project Area
Figure 10.3a
Primary Visual Envelope (Construction Phase)
Figure 10.3b
Primary Visual Envelope (Operation / Restoration / Aftercare Phases)
Figure 10.4a
Extract of Outline Zoning Plan
Figure 10.5a
Landscape Resources Plan
Figure 10.5b
Aerial Photo of Extension Site/Context
Figure 10.5c
Photo Views of Landscape Resources (Sheet 1 of 3)
Figure 10.5d
Photo Views of Landscape Resources (Sheet 2 of 3)
Figure 10.5e
Photo Views of Landscape Resources (Sheet 3 of 3)
Figure 10.5f
Baseline Landscape Character Areas Plan
Figure 10.5g
Photo Views of Landscape Character Areas (Sheet 1 of 2)
Figure 10.5h
Photo Views of Landscape Character Areas (Sheet 2 of 2)
Figure 10.5i
Key Section Showing Derivation of Visual Envelope
Figure 10.5j
Locations of Visually Sensitive Receivers
Figure 10.6a
Locations of Visual Mitigation Measures (on-site)
Figure 10.6b
Locations of Visual Mitigation Measures (off-site)
Figure 10.6c
Residual Landscape Resources Impacts During Construction Phase
Figure 10.6d
Residual Landscape Resources Impacts During Operation / Restoration phase
Figure 10.6e
Residual Landscape Resources Impacts During Aftercare Phase (Year 10)
Figure 10.6f
Residual Landscape Character During Construction Phase
Figure 10.6g
Residual Landscape Character Impact During Operation and Restoration Phase
Figure 10.6h
Residual Landscape Character Impacts During Aftercare Phase (Year 10)
Figure 10.6i
Photomontage View of Extension (Sheet 1 of 8)
Figure 10.6j
Photomontage View of Extension (Sheet 2 of 8)
Figure 10.6k
Photomontage View of Extension (Sheet 3 of 8)
Figure 10.6l
Photomontage View of Extension (Sheet 4 of 8)
Figure 10.6m
Photomontage View of Extension (Sheet 5 of 8)
Figure 10.6n
Photomontage View of Extension (Sheet 6 of 8)
Figure 10.6o
Photomontage View of Extension (Sheet 7 of 8)
Figure 10.6p
Photomontage View of Extension (Sheet 8 of 8)
Figure 10.7a
Locations of Key Views and Photomontage Views
Figure 10.7b
Key Views of Extension (Sheet 1 of 3)
Figure 10.7c
Key Views of Extension (Sheet 2 of 3)
Figure 10.7d
Key Views of Extension (Sheet 3 of 3)
Figure 10.7e
Residual Visual Impacts During Construction Phase
Figure 10.7f
Residual Visual Impacts During Operation and Restoration Phases
Figure 10.7g
Residual Visual Impacts During Aftercare Phase (Year 10)
Figure 11.3a
Monitoring Location
Figure 11.3b
Location of Landfill Gas Monitoring Wells