Environmental Impact Assessment Study for Re-provision of Open Cycle Gas Turbines
at Lamma Power Station

 

 

EIA REPORT

 

 

 

TABLE OF CONTENTS

1.         INTRODUCTION

2.         PROJECT DESCRIPTION

3.         AIR QUALITY

4.         NOISE

5.         WATER QUALITY

6.         WASTE MANAGEMENT IMPLICATIONS

7.         LAND CONTAMINATION

8.         ENVIRONMENTAL MONITORING AND AUDIT

9.         CONCLUSION

 

 

LIST OF FIGURES

Figure 2.1a     Location of Gas Turbine Compound and its Existing Units at Lamma Power Station

Figure 2.1b     Location of Gas Turbine Compound and its Proposed New Units at Lamma Power Station

Figure 2.2       Identified Potential Sites for the New Open Cycle Gas Turbine Units within the Lamma Power Station and Extension Site

Figure 3.1       Representative Air Sensitive Receivers within the 15km Assessment Area

Figure 3.2       Locations of Emission Sources of Proposed New Units within the Gas Turbine Compound

Figure 3.3       Locations of Emission Sources of Existing Units within the Gas Turbine Compound

Figure 3.4a     Locations of Emission Sources within the Gas Turbine Compound (“With Project” Scenario – Phase 1)

Figure 3.4b     Locations of Emission Sources within the Gas Turbine Compound (“With Project” Scenario – Phase 2)

Figure 3.4c     Locations of Emission Sources within the Gas Turbine Compound (“With Project” Scenario – Phase 3)

Figure 3.4d     Locations of Emission Sources within the Gas Turbine Compound (“With Project” Scenario – Phase 4)

Figure 4.1       Locations of Noise Sensitive Receivers

Figure 4.2       Section Plan of Lamma Power Station and NSR N1

Figure 4.3       Baseline Noise Monitoring Location

Figure 5.1       Locations of Water Sensitive Receivers (WSRs)

Figure 7.1       Project Location Map

Figure 7.2       Proposed Sampling Location

 

 

 

LIST OF APPENDICES

APPENDIX 3A  CALCULATIONS OF LAND USE PARAMETERS AND LAND USE FIGURES

APPENDIX 3B  PREDICTED POLLUTANT CONCENTRATIONS AT AIR SENSITIVE RECEIVERS (COMPARATIVE ASSESSMENT)

APPENDIX 4A  PHOTOGRAPH OF REPRESENTATIVE NOISE SENSITIVE RECEIVERS (NSRS)

APPENDIX 4B  DETAILS OF BACKGROUND NOISE MEASUREMENT

APPENDIX 4C  OPERATION PLANT INVENTORY

APPENDIX 4D  OPERATIONAL NOISE IMPACT ASSESSMENT

APPENDIX 7A  CONTAMINATION ASSESSMENT PLAN

APPENDIX 8A  IMPLEMENTATION SCHEDULE OF RECOMMENDED MITIGATION MEASURES

 

LIST OF TABLES

Table 2.1           Comparison of the Identified Potential Sites for New OCGTs

Table 2.2           Tentative Implementation Programme of the Project

Table 3.1           Hong Kong Air Quality Objectives

Table 3.2           Identified Representative ASRs

Table 3.3           Concentrations of Air pollutants Measured at EPD’s AQMS within the Assessment Area in the Recent Five Years (2016 to 2020)

Table 3.4           Concentrations of Air pollutants Measured at HK Electric’s AQMS within the Assessment Area in the Recent Three Years (2018 to 2020)

Table 3.5           Background Air Pollutant Concentrations Predicted by the PATH v2.1 Model in 2025

Table 3.6           Modelling Scenarios and Assessment Parameters

Table 3.7           Stack Parameters and Emission Information under “Without Project” Scenario

Table 3.8           Stack Parameters and Emission Information under “With Project” Scenario

Table 3.9           AERMET/ AERMOD Model Input Parameters and Assumptions

Table 3.10         Conversion Factors from 1-hour to 10-minutes Mean Concentrations

Table 3.11         Difference in Predicted Impacts between “Without Project” Scenario and “With Project” Scenario (Phase 1) at the Identified ASRs

Table 3.12         Difference in Predicted Impacts between “Without Project” Scenario and “With Project” Scenario (Phase 2) at the Identified ASRs

Table 3.13         Difference in Predicted Impacts between “Without Project” Scenario and “With Project” Scenario (Phase 3) at the Identified ASRs

Table 3.14         Difference in Predicted Impacts between “Without Project” Scenario and “With Project” Scenario (Phase 4) at the Identified ASRs

Table 4.1           EIAO-TM Daytime Construction Noise Standards (Leq, 30 min dB(A))

Table 4.2           Area Sensitivity Ratings (ASRs)

Table 4.3           Acceptable Noise Levels for General Construction Works

Table 4.4           Acceptable Noise Levels for Operational Noise

Table 4.5           Identified Representative NSRs

Table 4.6           Measured Prevailing Background Noise Levels

Table 4.7           Predicted Noise Level at the Representative NSR N2

Table 5.1           Summary of Water Quality Objectives for Southern WCZ

Table 5.2           Summary of EPD Routine Water Quality Monitoring Data from Selected Stations of the Southern WCZ in 1986-2019

Table 5.3           Water Sensitive Receivers in the Vicinity of the Project

Table 6.1           Government Waste Disposal Facilities for Construction Waste

Table 6.2           Summary of Estimated Waste Arisings and Recommended Waste Management Arrangements

Table 7.1           Summary of Historical Land Uses of Project Site

Table 7.2           Summary of Current Land Uses of Project Site

Table 7.3           Summary of SI Plan

Table 9.1           Summary of Environmental Assessment and Outcomes – Air Quality

Table 9.2           Summary of Environmental Assessment and Outcomes – Noise

Table 9.3           Summary of Environmental Assessment and Outcomes – Water Quality

Table 9.4           Summary of Environmental Assessment and Outcomes – Waste

Table 9.5           Summary of Environmental Assessment and Outcomes – Land Contamination