TABLE OF CONTENTS

 

1                     INTRODUCTION

            Background of the Project

            The Assignment

            Objectives of the Assignment

            Assessment Area

            Structure of the Report

 

2                     PROJECT DESCRIPTION

            Project Location

            Need of the Project

            Consideration of Alternatives

            Project Description

            Project Programme

            Interactions with Other Projects

 

3          AIR QUALITY

            Introduction

            Environmental Legislation, Policies, Plans, Standards and Criteria

            Description of the Environment

            Air Sensitive Receivers

            Identification of Environmental Impacts

            Assessment Methodology

            Prediction and Evaluation of Environmental Impacts

            Mitigation of Adverse Environmental Impact

            Evaluation of Residual Impacts

    Environmental Monitoring and Audit

            Conclusion

 

4          NOISE  

            Introduction

            Environmental Legislation, Policies, Plans, Standards and Criteria

            Description of the Environment

            Noise Sensitive Receivers

            Identification of Environmental Impacts

            Assessment Methodology

            Prediction and Evaluation of Environmental Impacts

            Mitigation of Adverse Environmental Impacts

            Evaluation of Residual Impacts

            Environmental Monitoring and Audit

            Conclusion

 

5          WATER QUALITY

            Introduction

            Environmental Legislation and Guidelines

            Baseline Conditions

            Identification of Sensitive Receivers

            Assessment Methodology

            Identification of Potential Impacts

            Evaluation of Potential Impacts

            Mitigation Measures

            Evaluation of Residual Impact

            Environmental Monitoring and Audit Requirements

            Conclusion

 

6                     WASTE MANAGEMENT

            Introduction

            Environmental Legislation and Guidelines

            Assessment Methodology

            Identification and Evaluation of Potential Impacts

            Mitigation Measures

            Evaluation of Residual Impact

            Environmental Monitoring and Audit Requirements

            Conclusion

 

7                     LANDSCAPE AND VISUAL IMPACT

            Introduction

            Review of Planning and Development Control Framework

            Environmental Legislation and Standards

            Assessment Methodology

            Baseline Study

            Landscape Impact Assessment (LIA)

            Visual Impact Assessment (VIA)

    Conclusion

 

8                     CULTURAL HERITAGE

            Introduction

            Environmental Legislation and Criteria

            Desk-based Review

            Impact Assessment

            Mitigation Recommendations

            Conclusions

 

9                     ENVIRONMENTAL MONITORING AND AUDIT

            Introduction

            Air Quality Impact

            Noise Impact

            Water Quality Impact

            Waste Management Implications

            Landscape and Visual Impact

            Cultural Heritage

 

10                 CONCLUSION

            Introduction

            Environmental Outcomes

            Air Quality Impact

            Noise Impact

            Water Quality Impact

            Waste Management Implications

            Landscape and Visual Impact

            Cultural Heritage Impact

            Overall Conclusion

 

11                 IMPLEMENTATION SCHEDULE

            Introduction

 

 

List of Tables

 

Table 2.1           Comparison of Alternative Locations - Engineering Considerations and Public Concern

Table 2.2           Comparison of Alternative Locations - Environmental Considerations

Table 3.1           Hong Kong Air Quality Objectives

Table 3.2           Annual Average Concentrations of Pollutants in the Latest Five Years (Year 2002 - 2006) at Yuen Long Air Quality Monitoring Station

Table 3.3           Summary of Representative Air Sensitive Receivers

Table 3.4           Predicted maximum odour levels at ASRs (Unmitigated)

Table 3.5           Predicted maximum odour levels at ASRs (Mitigated)

Table 4.1           Area Sensitivity Ratings (ASRs)

Table 4.2           Acceptable Noise Levels (ANLs) (dB(A))

Table 4.3           Details of Noise Sensitive Receivers

Table 5.1           Water Quality Objectives for Suspended Solids and Dissolved Oxygen at North Western Water Control Zone

Table 5.2           Summary of Water Quality Monitoring Results for Tuen Mun River Channel in 2006

Table 6.1           Summary of Waste Handling Procedures and Disposal Routes

Table 7.1           List of the Landscape Resources and Landscape Character Area affected during Construction & Operational Phase

Table 7.2           Visual Sensitive Receivers (VSRs) and their Sensitivity to Change

Table 7.3           VSRs and Their Magnitude of Impacts

Table 7.4           Significance of Landscape Adverse Impacts in the Construction and Operation Phases

Table 7.5           Significance of Visual Adverse Impacts in the Construction and Operational Phases

Table 7.6           Proposed Landscape and Visual Mitigation Measures in Construction Phase

Table 7.7           Proposed Landscape and Visual Mitigation Measures in Operation Phase

Table 10.1         Summary of Key Environmental Outcomes/Benefits

Table 11.1          Implementation Schedule for Air Quality Impact

Table 11.2          Implementation Schedule for Noise Impact

Table 11.3          Implementation Schedule for Water Quality Impact

Table 11.4          Implementation Schedule for Waste Management Implications

Table 11.5          Implementation Schedule for Landscape and Visual Impact

Table 11.6          Implementation Schedule for Cultural Heritage Impact

 

 

 

List of Figures

 

Figure 1.1          Location of Proposed Tuen Mun Area 54 Sewage Pumping Station

Figure 2.1          Location of Proposed Tuen Mun Area 54 Sewage Pumping Station at Site 4A

Figure 2.2          Alternative Sites Considered for Tuen Mun Area 54 Sewage Pumping Station

Figure 2.3          Tentative Construction Programme

Figure 3.1          Locations of Representative Air Sensitive Receivers

Figure 3.2          Contours of Odour Concentration (OU / 5-sec avg) at 10m Above Ground ¡V Unmitigated Scenario

Figure 3.3          Contours of Odour Concentration (OU / 5-sec avg) at 10m Above Ground ¡V Mitigated Scenario

Figure 4.1          Locations of Representative Noise Sensitive Receivers

Figure 5.1          Location of EPD River Water Quality Monitoring Stations

Figure 7.1.1      Existing Aerial Photography

Figure 7.1.2      Planning & Development Framework (OZP)

Figure 7.2.1      Landscape Resources

Figure 7.2.2      Photos of Landscape Resources

Figure 7.3.1      Landscape Character Area

Figure 7.3.2      Photos of Landscape Character Area

Figure 7.4.1      Visual Sensitive Receiver

Figure 7.4.2      Photos of Visual Sensitive Receivers Group

Figure 7.4.3      View for Visual Sensitive Receivers

Figure 7.4.4      View for Visual Sensitive Receivers

Figure 7.5.1      Residual Landscape Resource Impacts in Construction Phase

Figure 7.5.2       Residual Landscape Resource Impacts in Operation Phase

Figure 7.5.3      Residual Landscape Character Area Impacts in Construction Phase

Figure 7.5.4      Residual Landscape Character Area Impacts in Operation Phase

Figure 7.5.5      Residual Visual Impacts in Construction Phase

Figure 7.5.6      Residual Visual Impacts in Operation Phase

Figure 7.6.1      Tuen Mun Area 54 - Landscape and Visual Mitigation Measures

Figure 7.7.1      Photomontage from View Point 2

Figure 8.1          Extent of Kei Lun Wai Archaeological Site        

 

 

 

 

List of Appendices

 

Appendix 3.1     Calculation of Emission Rate and Information of Vent Pipes

Appendix 3.2     Details of Operational Phase Air Quality Impact Assessment

Appendix 3.3     Tentative School Layout with Larger Buffer Distance

Appendix 4.1     Construction Noise Impact Assessment

Appendix 4.2     Operation Noise Impact Assessment

Appendix 5.1     Standards for effluents discharged into foul sewers leading into Government sewage treatment plants (Table 1 of the TM)

Appendix 5.2     Standards for effluents discharged into the inshore waters of Southern, Mirs Bay, Junk Bay, North Western, Eastern Buffer and Western Buffer Water Control Zones (Table 10a of the TM)