Purpose and Scope of the EIA
EIA Study Area
Structure of the Report
Location and Scale of Project
Need of the Project
Considerations of Alternative Slip Road Alignment and Design
Considerations of Alternative Construction Method of Slip Roads
Traffic Forecast
Project Programme
Interaction with Other Projects
Introduction
Environmental Legislation, & Standards
Description of Environment
Assessment Methodology
Identification of Environmental Impacts
Evaluation of Impacts
Mitigation of Adverse Environmental Impacts
Construction Works During Restricted Hours
Residual Environmental Impacts
Environmental Monitoring and Audit Requirements
Introduction
Environmental Legislation and Guidelines
Baseline Conditions
Air Sensitive Receivers
Evaluation of Impacts
Assessment Methodology
Evaluation of Impact
Mitigation Measures
Residual Environmental Impacts
Environmental Monitoring and Audit Requirements
Introduction
Environmental Legislation and Standards
Baseline Conditions
Water Sensitive Receivers
Assessment Methodology
Identification and Evaluation of Environmental Impacts
Mitigation Measures
Residual Environmental Impact
Environmental Monitoring and Audit
6. WASTE MANAGEMENT IMPLICATIONS
Introduction
Environmental Legislation and Standards
Assessment Methodology and Criteria
Identification and Evaluation of Environmental Impacts
Mitigation Measures
Evaluation of Residual Impact
Environmental Audit
Introduction
Environmental Legislation and Standards
Assessment Methodology
Description of Existing Ecological Baseline Conditions
Ecological Value
Identification of Environmental Impacts
Evaluation of Impacts
Cumulative Impacts
Mitigation Measures
Residual Environmental Impact
Environmental Monitoring and Audit Requirements
References
Introduction
Environmental Legislation, Standards and Guidelines
Assessment Methodology
Baseline Conditions and Fisheries Sensitive Receivers
Identification of Environmental Impacts
Evaluation of Impacts
Mitigation Measures
Environmental Monitoring and Audit
References
Introduction
Environmental Legislation and Standards
Assessment Methodology
Baseline Condition
Results of the Baseline Study
Identification and Evaluation of Potential Impacts
Mitigation Measures
10. LANDSCAPE AND VISUAL IMPACT ASSESSMENT
Introduction
Legislation
Assessment Methodology
Scope and Contents
Baseline Study
Review of Planning and Development Control Framework
Landscape & Visual Impact Assessment
Recommended Landscape Mitigation Measures
Residual Impacts and Acceptability of the Proposed Improvement Works
Environmental Monitoring and Audit
Introduction
Environmental Legislation & Standards
Assessment Methodology & Criteria
Baseline Conditions & Sensitive Receivers
Existing Land Uses
Identification of Environment Impacts
Predication & Evaluation of Impacts
Mitigation Measures
Residual Environmental Impact
Environmental Monitoring and Audit (EM&A) Requirements
12. ENVIRONMENTAL
MONITORING AND AUDIT
Introduction
Construction Noise Impact
Operational Noise Impact
Construction Air Quality Impact
Water Quality Impact
Waste Management Implications
Ecological Impact
Fisheries Impact
Cultural Heritage Impact
Landscape and Visual Impact
Land Contamination
Introduction
Noise Impact
Air Quality Impact
Water Quality Impact
Waste
Management Implications
Ecological Impact
Fisheries Impact
Cultural Heritage Impact
Landscape and Visual Impact
Land Contamination
Overall Conclusion
14 IMPLEMENTATION SCHEDULE OF PROPOSED MITIGATION MEASURES
List of Tables
Table 2.1 Evaluation of Different Improvement Schemes
Table 2.2 Comparison of Alternative Construction Methods
Table 3.1 EIAO-TM Daytime Construction Noise Standards
Table 3.2 Acceptable Noise Levels (ANL, Leq, 5min dB(A))
Table 3.3 Road Traffic Noise Planning Criteria
Table 3.4 Representive Noise Sensitive Receivers
Table 3.5 A Summary of Cumulative Construction Noise Impacts (Without Mitigation)
Table 3.6 Predicted Road Traffice Noise Levels in 2022 (Without Mitigation)
Table 3.7 Sound Power Levels for Specific Quiet PME
Table 3.8 A Summary of Cumulative Construction Noise Impacts (Mitigated – Use of Quiet PME)
Table 3.9 A Summary of Cumulative Construciton Noise Impacts (Mitigated – Use of Quiet PME and Movable Noise Barriers)
Table 3.10 Predicted Road Traffic Noise Levels in 2002 (With Mitigation)
Table 3.11 Area Sensitivity Ratings for NSRs Selected for the Indicative Assessment
Table 4.1 Hong Kong Air Quality Objectives
Table 4.2 Background Air Quality
Table 4.3 Air Sensitive Receivers
Table 4.4 TSP Emission Rates for Construction Activities
Table 4.5 Comparison of Vehicle Emission for Different Scenario Year
Table 4.6 China Fuel Vehicle Idling Emission Factors
Table 4.7 Predicted TSP Concentration at ASR (With Mitigation)
Table 4.8 Concurrent Project
Tabel 4.9 Predicted NO2 and RSP Concentraions
Table 5.1 Water Quality Objectives for Inland Waters
Table 5.2 Water quality in watercourses and unmanaged ponds alongside Lok Ma Chau Boundary Crossing
Table 6.1Summary of Estimated Quantities of C&D Material
Table 7.1 Breakdown of Habitat Coverage within the Assessment Area
Table 7.2a Ecological Value of Active Fishponds in the Assessment Area
Table 7.2b Ecological Value of Abandoned Area, Plantation, Developed Area, and Village/Orchard Habitats in the Assessment Area
Table 7.2cEcological Value of Fung Shui Woodland and Secondary Woodland Habitats in the Assessment Area
Table 7.2dEcological Value of Active and Abandoned Agriculture and Shrubland/Grassland Mosaic in the Assessment Area
Table 7.2e Ecological Value of Nullah/Drainage ditches habitat in the Assessment Area
Table 7.2f Ecological Value of EMDC Committed Compensatory Habitats* and Chau Tau Flood Storage Pond in the Assessment Area
Table 7.3Avifauna of conservation interest recorded in the Assessment Area (Sept. 2002-February 2003)
Table 7.4aOverall Impact Evaluation of Active Fishponds
Table 7.4bOverall Impact Evaluation of Abandoned Area, Plantation, Developed Area, and Village/Orchard Habitats in the Assessment Area
Table 7.4c Overall Impact Evaluation of Fung Shui Woodland and Secondary Woodland Habitats in the Assessment Area
Table 7.4d Overall Impact Evaluation of Active and Abandoned Agriculture and Shrubland/Grassland Mosaic in the Assessment Area
Table 7.4e Overall Impact Evaluation of Nullah/Drainage ditches habitat in the Assessment Area
Table 7.4f Overall Impact Evaluation of EMDC Committed Compensatory Habitats* and Chau Tau Flood Storage Pond in the Assessment Area
Table 7.5Examples of Plant Species of Conservation Value to Wildlife for Landscaping Works
Table 8.1AFCD Figures on HKSAR Pond Culure Fisheries
Table 9.1 Assessment of Impacts to Built Features and Graves
Table 10.1Landscape Charater Units (LCUs)
Table 10.2Landscape Elements
Table 10.3Sensitive Visual Receivers
Table 10.4Summary of Disturbance to Landscape Characer Units
Table 10.5Summary of Disturbance to Landscape Elements
Table 10.6Summary of Landcape Impact (Without Mitigation Measures)
Table 10.7Summary of Visual Impact Assessment (Without Mitigation Measures)
Table 10.8 Summary Landscape Mitigation Measures Programming, Funding, Implementation, Management and Maintenance Agents
Table 10.9 Summary of Residual Landscape Impacts (With Landscape Mitigation Measures)
Table 10.10Summary of Residual Visual Impact (With Landscape Mitigation Measures)
Table 11.1 Historical Aerial Photographs Reviewed
Table 11.2Potential Contaminants associated with historic and present land uses at Site A
Table 11.3Potential Contaminants Associated with Historic and Present Land Uses at Site E
Table 13.1Summary of Residual Landscape Impacts (With Landscape Mitigation Measures)
Table 13.2 Summary of Residual Visual Impact (With Landscape Mitigation Measures)
Table 14.1 Implementation Schedule for Noise Control
Table 14.2 Implementation Schedule for Air Quality Control
Table 14.3Implementation Schedule for Water Quality Control
Table 14.4 Implementation Schedule for Ecological Requirements
Table 14.5 Implementation Schedule for Waste Management Implications
Table 14.6Implementation Schedule for Land Contamination
Table 14.7 Implementation Schedule for Landscape and Visual Impact
List of Figures
Figure 2.2Originally Proposed Alignment
Figure 2.3Typical Sections of Elevated Slip Roads
Figure 2.4Projected 2005 Traffic Flows Without Proposed Interchange (EIA)
Figure 2.5Projected 2007 Traffic Flows With Proposed Interchange (EIA)
Figure 2.6Projected 2011 Traffic Flows With Proposed Interchange (EIA)
Figure 2.7Projected 2016 Traffic Flows With Proposed Interchange (EIA)
Figure 2.8Projected 2022 Traffic Flows With Proposed Interchange (EIA)
Figure 2.9Preliminary Construction Programme
Figure 3.1San Tin – Outline Zoning Plan
Figure 3.2aNoise Sensitive Receivers within 300m from the Project Boundary
Figure 3.2bLocations of Representative Noise Sensitive Receivers
Figure 3.3Construction Work Areas
Figure 3.4Locations of Noise Barriers Proposed in Other Project
Figure 3.5Locations of Proposed Movable Barriers During Construction Phase
Figure 3.6Locations of Proposed Noise Barriers
Figure 3.7Typical Cross-Section of Proposed Noise Barriers
Figure 3.8Details of Movable Barrier for Segment Carrier
Figure 4.1Locations of Air Sensitive Receivers
Figure 4.2Contours of 1-hr average TSP concentration in mg/m3 at 1.5 m above Ground
Figure 4.3Contours of 24-hr average TSP concentration in mg/m3 at 1.5 m above Ground
Figure 4.4Contours of 1-hr average NO2 concentration in mg/m3 at 1.5 m above Ground
Figure 4.5Contours of 24-hr average NO2 concentration in mg/m3 at 1.5 m above Ground
Figure 4.6Contours of 24-hr average RSP concentration in mg/m3 at 1.5 m above Ground
Figure 5.1Locations of Water Quality Monitoring in San Tin River
Figure 7.1Sites of Conservation Interest in the San Tin Area
Figure 7.3Measures to reduce disturbance to San Tin EMDC Wetland
Figure 11.1Locations of Areas Assessed in Site Reconnaissance
Figure 11.2Locations of Proposed Zones for Contamination Investigation Work
Appendices
Appendix 3.1Extent of Defined New Road
Appendix 3.2Prevailing Road Traffic Noise Levels
Appendix 3.3Powered Mechanical Equipment for Various Construction Activities (Unmitigated)
Appendix 3.4Predicated Construction Noise Levels (Unmitigated)
Appendix 3.5Road Traffic Noise Assessment Results
Appendix 3.6Powered Mechanical Equipment for Various Construction Activities (Mitigated-Use of Quiet PME)
Appendix 3.7Predicted Construction Noise Levels (Mitigated-Use of Quiet PME)
Appendix 3.8Powered Mechanical Equipment for Various Construction Activities (Mitigated-Use of Quiet PME and Movable Noise Barriers)
Appendix 3.9Predicted Construction Noise Levels (Mitigated-Use of Quiet PME and Movable Noise Barriers
Appendix 3.10Assessment for Construction Noise Impact During Restricted Hours
Appendix 3.11Assessment of Noise Sensitive Receivers Eligible for Indirect Technical Remedies
Appendix 4.1Calculation of Dust Emission Factor
Appendix 4.2Sensitivity Test for Year 2007, 2011, 2016 and 2023
Appendix 4.3Calculation of Emission Factors from Vehicle Emission
Appendix 4.4Calculation of Vehicle Emission generated during Queuing in VHA and Toll Plaza & Queuing Forecast
Appendix 7.1Photographs of Habitats Recorded in the Assessment Area
Appendix 7.2Flora Recorded in the Assessment Area
Appendix 7.3Fauna Recorded in the Assessment Area
Appendix 9.1Cultural Heritage Impact Assessment
Figure 9.1 Map showing the history of land conditions in the Study Area
Figure 9.2Aerial photograph of San Tin from 2001 (GEO CN30028)
Figure 9.3 Map showing the location of the recorded built features in Tung Chan Wai and Yan Shau Wai
Figure 9.4 Map showing the recorded built features in Wing Ping Tsuen
Figure 9.6 Map showing the recorded built features in Chau Tau
Figure 9.7 Map showing the grave grouping near Kwu Tung Road
Figure 9.8 Map showing the grave grouping near Ki Lun Shan
Figure 9.9 Layout Plan showing the historical villages, Tung Shan Temple and Grave Groups
Figure 9.10 Aerial photograph of San Tin from 1963 (GEO Y10112)
Figure 9.11 Aerial photograph of San Tin 1990 (GEO A23480)
Appendix 10.1Landscape and Visual Impact Assessment – Figures
Figure 10.2Aerial Photo of San Tin Interchange taken in 2001
Figure 10.3 Landscape Elements
Figure 10.4 View southwest from Castle Peak Road – Chau Tau
Figure 10.5 View north of the study area from Castle Peak Road – San Tin
Figure 10.6View southeast from Castle Peak Road – San Tin
Figure 10.7 View south from parking lot on Castle Peak Road, San Tin
Figure 10.8 View northwest form San Tin Roundabout
Figure 10.9 View northeast from westbound San Tin Highway
Figure 10.10View east from Kwu Tung Road flyover
Figure 10.11 View northwest from Kwu Tung Road slip Road entrance
Figure 10.12 View east from Kwu Tung Road Flyover
Figure 10.13 View southeast from Castle Peak Road – San Tin Post Office
Figure 10.14View east from Castle Peak Road – Wing Ping Tsuen
Figure 10.15 View south from Parking Lot on Castle Peak Road – San Tin
Figure 10.16 View north from Ki Lun Shan
Figure 10.17 View northeast from Yan Shau Wai
Figure 10.18 View east from Lin Barn Tsuen
Figure 10.19 View south from Lok Ma Chau Lookout point
Figure 10.20 Landscape Character Units
Figure 10.22Landscape Master Plan
Figure 10.23Enlarged Landscape Master Plan (1 of 7)
Figure 10.24Enlarged Landscape Master Plan (2 of 7)
Figure 10.25Enlarged Landscape Master Plan (3 of 7)
Figure 10.26Enlarged Landscape Master Plan (4 of 7)
Figure 10.27Enlarged Landscape Master Plan (5 of 7)
Figure 10.28Enlarged Landscape Master Plan (6 of 7)
Figure 10.29Enlarged Landscape Master Plan (7 of 7)
Figure 10.30 Slip Road B Landscape Sections and noise barrier
Figure 10.31Plan Indicating the Level of Landscape Impact with Mitigation Measure
Figure 10.40 Views for Photomontages
Figure 10.45 Photomontage 2 – View North from San Tin Roundabout – (The Existing Condition)
Figure 10.46 Photomontage 2 – View North from San Tin Roundabout – (Unmitigated Impacts)
Figure 10.47 Photomontage 2 – View North from San Tin Roundabout – (with Landscape Works at Day 1)
Figure 10.48 Photomontage 2 – View North from San Tin Roundabout – (with Landscape Works at Year 10)
Figure 10.53 Photomontage 4 – View Northeast from Kwu Tung Road Flyover (The Existing Condition)
Figure 10.54 Photomontage 4 – View Northeast from Kwu Tung Road Flyover (with proposed works)
Figure 10.57 Photomontage 5 – View Northeast from Westbound San Tin Highway (The Existing Condition)
Figure 10.58 Photomontage 5 – View Northeast from Westbound San Tin Highway (Unmitigated Impacts)
Figure 10.65 Photomontage 7 – View West from San Tin Roundabout (The Existing Condition)
Figure 10.66 Photomontage 7 – View West from San Tin Roundabout (Unmitigated Impacts)
Figure 10.67 Photomontage 7 – View West from San Tin Roundabout (with Landscape works at day 1)
Figure 10.68 Photomontage 7 – View West from San Tin Roundabout (with Landscape works at year 10)
Figure 10.73 Photomontage 9 – View East from Wing Ping Tsuen (the Existing Condition)
Figure 10.74Photomontage 9 – View East from Wing Ping Tsuen (Unmitigated Impacts)
Figure 10.75Photomontage 9 – View East from Wing Ping Tsuen (with Landscape works at day 1)
Figure 10.76Photomontage 9 – View East from Wing Ping Tsuen (with Landscape works at year 10)
Figure 10.77Photomontage 10 – View East from OU(CDWEA) (the Existing Condition)
Figure 10.78Photomontage 10 – View East from OU(CDWEA) (Unmitigated Impacts)
Figure 10.79Photomontage 10 – View East from OU(CDWEA) (with Landscape works at day 1)
Figure 10.80Photomontage 10 – View East from OU(CDWEA) (with Landscape works at year 10)