CONTENTS

 

1.    INTRODUCTION                                                                                                                          

1.1         Background

1.2         The Assignment

1.3         Purpose and Objectives of this EIA

1.4         Approach to EIA Study

1.5         EIA Study Scope

1.6         Structure of this Report

 

2.    CONSIDERATION OF ALTERNATIVES

2.1         Introduction

2.2         Project Need

2.3         Siting

2.4         “Without Project” Alternative

2.5         Alternative Options

2.6         Preferred Option

 

3.    PROJECT DESCRIPTION                                                                                                          

3.1         Description of the Site Area

3.2         Design of the Depot

3.3         Construction Methodology

3.4         Project Implementation Programme

3.5         Concurrent Projects

3.6         Identification of Key Environmental Issues

3.7         Environmental Benefits

3.8         Public Concerns

 

4.    AIR QUALITY IMPACT ASSESSMENT                                                                                    

4.1         Introduction

4.2         EIA Study Brief

4.3         Environmental Legislation and Guidelines

4.4         Existing Environment

4.5         Identification of Air Sensitive Receivers

4.6         Potential Sources of Impacts

4.7         Concurrent Projects

4.8         Assessment Methodology

4.9         Determination of Vehicular Emissions from Open Roads

4.10       Determination of Vehicular Emissions within the Depot

4.11       Determination of Odour Emissions

4.12       Construction Phase Impact Assessment

4.13       Operation Phase Impact Assessment

4.14       Cumulative Impacts

4.15       Mitigation Measures

4.16       Residual Impacts

4.17       Environmental Monitoring and Audit

4.18       Conclusions

 

5.    NOISE IMPACT ASSESSMENT                                                                                                

5.1         Introduction

5.2         Environmental Legislation and Guidelines

5.3         Noise Sensitive Receivers

5.4         Identification of Potential Noise Impacts

5.5         Assessment Methodology

5.6         Prediction and Evaluation of Noise Impacts

5.7         Proposed Noise Mitigation Measures

5.8         Assessment of Noise Impacts with the Application of Mitigation Measures

5.9         Residual Impact

5.10       Environmental Monitoring and Audit

5.11       Conclusions

 

6.    WATER QUALITY AND SEWERAGE IMPACT ASSESSMENT                                            

6.1         Introduction

6.2         Environmental Legislation and Guidelines

6.3         Existing Environment

6.4         Identification of Water Sensitive Receivers

6.5         Potential Sources of Impacts

6.6         Assessment Methodology

6.7         Construction Phase Impact Assessment

6.8         Operation Phase Impact Assessment

6.9         Cumulative Impacts

6.10       Mitigation Measures

6.11       Residual Impacts

6.12       Environmental Monitoring and Audit

6.13       Conclusions

 

7.    WASTE MANAGEMENT IMPLICATION AND LAND CONTAMINATION ASSESSMENT 

7.1         Introduction

7.2         Environmental Legislation and Guidelines

7.3         Assessment Methodology

7.4         Identification of Potential Waste Management Implication

7.5         Waste Management Implication

7.6         Mitigation Measures

7.7         Land Contamination Assessment

7.8         Preventive Measures

7.9         Residual Impacts

7.10       Environmental Monitoring and Audit

7.11       Conclusions

 

 

8.    LANDSCAPE AND VISUAL IMPACT ASSESSMENT                                                             

8.1         Introduction

8.2         Environmental Legislation and Guidelines

8.3         Planning and Development Control Framework

8.4         Assessment Methodology

8.5         Baseline Study

8.6         Landscape Impact Assessment

8.7         Visual Impact Assessment

8.8         Mitigation Measures

8.9         Residual Impacts

8.10       Cumulative Impact

8.11       Environmental Monitoring and Audit

8.12       Conclusions

 

9.    SUMMARY OF ENVIRONMENTAL OUTCOMES                                                                    

9.1         Introduction

9.2         Summary of Measures Adopted to Minimize Environmental Impacts

 

10.  ENVIRONMENTAL MONITORING AND AUDIT REQUIREMENTS                                      

10.1       Introduction

10.2       EM&A Requirements

10.3       Air Quality

10.4       Noise

10.5       Water Quality

10.6       Waste Management and Land Contamination

10.7       Landscape and Visual

 

11.  CONCLUSIONS                                                                                                                           

11.1       Introduction

11.2       Air Quality Impact

11.3       Noise Impact

11.4       Water Quality Impact

11.5       Waste Management Implication and Land Contamination

11.6       Landscape and Visual Impacts

 

12.  IMPLEMENTATION SCHEDULE AND RECOMMENDED MITIGATION MEASURES

12.1       Introduction

 

 

List of Tables

Table 3-1             List of Potential Concurrent Projects

Table 4-1             Hong Kong Air Quality Objectives

Table 4-2             Representative Air Sensitive Receivers

Table 4-3             List of Potential Concurrent Projects

Table 4-4             Background Air Quality (2007 to 2011)

Table 4-5             Vehicle Classifications in EMFAC – HK

Table 4-6             Road Groupings

Table 4-7             Summary of Odour Emission

Table 4-8             Total NOx Emission Inventory for the Selected Years

Table 4-9             Total PM10 Emission Inventory for the Selected Years

Table 4-10           Summary of NO2 Concentrations

Table 4-11           Summary of RSP Concentrations

Table 5-1             Area Sensitivity Rating Criteria Specified in the GW-TM

Table 5-2             Basic Noise Levels (in Leq,30min, dB(A))

Table 5-3             Acceptable Noise Levels for Percussive Piling Specified in the PP-TM

Table 5-4             Acceptable Noise Level during Operational Phase

Table 5-5             Road Traffic Noise Assessment Criteria Specified in the EIAO-TM

Table 5-6             Summary of the Identified Existing and Planned NSRs near the Project

Table 5-7             Identified Area Sensitivity Ratings of NSRs

Table 5-8             Measured Prevailing Background Noise Levels for NSRs and Recommended Fixed Plant Noise Assessment Criteria

Table 5-9             Summary of Selected Noise Assessment Points at Each Representative NSR

Table 5-10           PME identified as Major Noise Sources

Table 5-11           Summary of Workshop Equipment and Repair Activity

Table 5-12           Estimated Quantity of Identified Fixed Plant Noise Sources

Table 5-13           Summary of Anticipated Works of XRL

Table 5-14           Predicted Cumulative Construction Noise Levels at Selected NSRs during Normal Daytime Working Hours under the Unmitigated Scenario

Table 5-15           Predicted Construction Noise Levels at Selected NSRs during Normal Daytime Working Hours under the Unmitigated Scenario due to the Project ONLY

Table 5-16           Summary of Predicted Operational Levels at NSRs

Table 5-17           Year 2017 Traffic Forecast

Table 5-18           Year 2032 Traffic Forecast

Table 5-19           Predicted Noise Levels for “with project” and “without project” Scenarios during AM Peak Off-site Traffic of FEHD Depot (0700 – 0800) in Year 2017, L10,(1-hr)

Table 5-20           Predicted Noise Levels for “with project” and “without project” Scenarios during PM Peak Off-site Traffic of FEHD Depot (1500 – 1600) in Year 2017, L10,(1-hr)

Table 5-21           Predicted Noise Levels for “with project” and “without project” Scenarios during AM Peak Off-site Traffic of FEHD Depot (0700 – 0800) in Year 2032, L10,(1-hr)

Table 5-22           Predicted Noise Levels for “with project” and “without project” Scenarios during PM Peak Off-site Traffic of FEHD Depot (1500 – 1600) in Year 2032, L10,(1-hr)

Table 5-23           Maximum SWLs for Selected “Quiet” and Alternative Plants

Table 5-24           Predicted Cumulative Construction Noise Levels at Selected NSRs during Normal Daytime Working Hours under the Mitigated Scenario

Table 5-25           Predicted Construction Noise Levels at Selected NSRs during Normal Daytime Working Hours under the Mitigated Scenario due to the Project ONLY

Table 6-1             Summary of WQOs for Victoria Harbour (Phase Two) WCZ

Table 6-2             WSD Standards at Flushing Water Intakes

Table 6-3             Marine Water Quality for Victoria Harbour (Phase Two) WCZ in 2011 at VM7, VM15, VT12 and VT10

Table 6-4             List of Potential Concurrent Projects

Table 7-1             Summary of C&D Materials Arising from the Project

Table 7-2             Summary of Chemical Waste Arising from the Project

Table 7-3             Tentative Estimated Timing of Waste Arising

Table 7-4             Summary of Historical and Current Land Uses

Table 8-1             Significant Threshold of Landscape Impact

Table 8-2             Significant Threshold of Visual Impact

Table 8-3             Summary of Existing Landscape Resources and their Amenity Values and Sensitivities in the Study Area

Table 8-4             Changes of Landscape Resources with Planned Development

Table 8-5             Summary of Existing Landscape Character Area and their Amenity Values and Sensitivities in the Study Area

Table 8-6             Changes of Landscape Character Areas (LCAs) with Planned Development

Table 8-7             Tree Species Composition within the Site

Table 8-8             Identified VSRs and Their Sensitivity (Existed and Planned)

Table 8-9             Summary of Proposed Action for Surveyed Trees in the Site

Table 8-10           Magnitude of Change for LRs and Significance of Landscape Impacts during Construction and Operational Phases

Table 8-11           Magnitude of Change for LCAs and Significance of Landscape Impacts during Construction and Operational Phases

Table 8-12           Magnitude of Change for VSRs during Construction and Operational Phases

Table 8-13           Significance Visual Impacts during Construction and Operational Phases

Table 9-1             Summary of Key Environmental Outcomes

Table 9-2             Summary of Measures Adopted to Minimize Environmental Impacts

Table 10-1           Summary of EM&A Requirements

Table 12-1           Implementation Schedule of the Project   

 

 

List of Figures

Figure 1-1            Site Layout Plan

Figure 2-1            Location Plan of Alternative Site

Figure 2-2            Location Plan of Alternative Routings

Figure 3-1            Outline Layout Plan

Figure 4-1            Location Plan of Air Sensitive Receivers

Figure 4-2            Major Roads related to the Project

Figure 4-3            Contours of Highest Hourly Average Concentrations of NO2

Figure 4-4            Contours of 24-Hour Average Concentrations of NO2

Figure 4-5            Contours of 24-Hour Average Concentrations of RSP

Figure 4-6            Contours of Annual Average Concentrations of NO2

Figure 4-7            Contours of Annual Average Concentrations of RSP

Figure 5-1            Locations of Project Boundary and Identified Noise Sensitive Receivers (NSRs)

Figure 5-2            Locations of Background Noise Measurements

Figure 5-3            Locations of Assessment Points of Each NSRs

Figure 5-4            Locations of Works Front, NSRs and Corresponding Notional Points for NSRs

Figure 6-1            Water Sensitive Receivers

Figure 6-2            Proposed Sewerage Layout Plan

Figure 8-1            Existing Landscape Resources (LRs)

Figure 8-2            Landscape Resources (LRs) with Planned Development

Figure 8-3            Existing Landscape Character Area (LCAs)

Figure 8-4            Landscape Character Area (LCAs) with Planned Development

Figure 8-5            Trees Recommendation Plan

Figure 8-6            Existing Visual Envelope (VE)

Figure 8-7            Existing Visual Sensitive Receivers (VSRs)

Figure 8-8            Visual Sensitive Receivers (VSRs) with Planned Development

Figure 8-9            Existing Views and Photomontages from Block 1 of Metro Harbour (Viewpoint 2)

Figure 8-10          Existing Views and Photomontages from Block 1 of Hampton Place (Viewpoint 3)

Figure 8-11          Existing Views and Photomontages from Nam Cheong Station Exit on Yen Chow Street West (Viewpoint 1)

Figure 8-12          Examples of Temporary Landscape Treatment for Construction Phase

 

 

List of Appendices

Appendix 3-1       Preliminary Construction Programme

Appendix 4-1       Hourly In/Out Traffic Volumes

Appendix 4-2       Correspondence with Transport Department

Appendix 4-2a     Conversion Breakdown of the Vehicle Types

Appendix 4-3       Estimation of Composite Emission Factors (Open Roads)

Appendix 4-4       Estimation of Composite Emission Factors (Within Depot Area)

Appendix 4-5       Estimation of Idling Emission Factors within Depot Area

Appendix 5-1       Corresponding MLP of Planned Development at Nam Cheong Station and Correspondence with MTRC

Appendix 5-2       Photographs of the Identified existing NSRs

Appendix 5-3       Split Type A/C Observed at NSR1 and NSR2

Appendix 5-4       Construction Programme

Appendix 5-5       Latest Layout and Elevation Plan

Appendix 5-6       Photos of Identified Workshop Vehicle Repair Activities

Appendix 5-7       Summary of Estimated Off-site Traffic Generation (Inbound and Outbound) from FEHD Depot and Summary of Traffic Forecast

Appendix 5-8       Detailed Calculation of Construction Noise Impact Assessment and Complete PME Inventory (Unmitigated Scenario)

Appendix 5-9       Construction Noise Levels due to XRL project according to AEIAR-143/2009

Appendix 5-10     Detailed Calculation of Fixed Plant Noise Impact Assessment

Appendix 5-11     Detailed Calculations of Construction Noise Impact Assessment and Complete PME Inventory (Mitigated Scenario)

Appendix 6-1       Catalogue of Automatic Vehicle Washing Machine

Appendix 6-2       Preliminary Layout and Schematic for Foul Water Drainage System

Appendix 6-3       Estimate of Sewage Flow and Hydraulics of Sewerage

Appendix 7-1       Drillhole Record (BH6) from Ground Investigation for the Site

Appendix 7-2       Aerial Photograph Review

Appendix 7-3       Correspondence with Local Authorities and Company on Record Request

Appendix 7-4       Site Walkover Checklists

Appendix 8-1       Aerial Photograph of Landscape Resources

Appendix 8-2       Photographs of Key Landscape Resources

Appendix 8-3       Aerial Photograph of Landscape Character Areas

Appendix 8-4       Trees Species Composition within the Survey Area and Assessment Schedule

Appendix 8-5       Recommended Tree and Shrub Species for Landscape Design

Appendix 8-6       Examples of Landscape Finishes

Appendix 8-7       Conceptual Master Landscape Design