TABLE OF CONTENT

Volume 1

1 INTRODUCTION

Project Background

Phased Implementation

The Assignment

Organization of the Report

2 PROJECT DESCRIPTION

Purpose and Objective of the Project

Need for the Project

Outline of Proposed Scheme and Project Elements

Consideration of Alternatives

Continuous Public Involvement

3 AIR QUALITY

Introduction

Environmental Legislation, Policies, Plans, Standards and Criteria

Air Pollution Control (Construction Dust) Regulation

Description of the Environment

Assessment Methodology

Identification of Environmental Impacts

Prediction and Evaluation of Environmental Impacts

Mitigation of Environmental Impacts

Evaluation of Residual Impacts

Environmental Monitoring and Audit

Conclusions

4 AIRBORNE NOISE

Introduction

Environmental Legislation, Policies, Plans, Standards and Criteria

Description of the Environment

Assessment Methodology

Identification of Environmental Impacts

Prediction and Evaluation of Environmental Impacts

Mitigation of Environment Impacts

Evaluation of Residual Impacts

Construction Activities during Restricted Hours

Environmental Monitoring and Audit

Conclusions

5 GROUNDBORNE NOISE IMPACT ASSESSMENT

Introduction

Environmental Legislation and Criteria

Description of the Environment

Noise Sensitive Receivers

Assessment Methodology

Identification of Environmental Impacts

Prediction and Evaluation of Environmental Impacts

Mitigation Measures

Evaluation of Residual Impacts

Conclusion

6 WATER QUALITY

Introduction

Water Sensitive Receivers

Identification of Environmental Impacts

Environmental Impacts from the Provision of Disinfection at SCISTW

Environmental Legislation, Policies, Plans, Standards and Criteria

Description of the Environment

Assessment Methodology

Prediction and Evaluation of Environmental Impacts

Mitigation of Adverse Environmental Impacts

Evaluation of Residual Impacts

Environmental Monitoring and Audit

Conclusions

7 HUMAN HEALTH RISK ASSESSMENT

Introduction

Objective, Scope and Focus of Assessment

Scenarios Considered in Assessment

Assessment Methodology

Assessment Criteria

Data Collection

Selected Contaminant of Concern and Effluent Concentration for Risk Assessment

Risk Assessment Results

Human Health Risk Assessment

Cumulative Impacts

Assumptions in Risk Assessment

Evaluation of Residual Impacts

Mitigation of Environmental Impact

Environmental Monitoring and Auditing

Conclusions

Reference

8 ECOLOGICAL RISK ASSESSMENT

Introduction

Objective, Scope and Focus of Assessment

Scenarios Considered in Assessments

Assessment Methodology

Assessment Criteria

Data Collection

Selected Contaminant of Concern and Effluent Concentration for Risk Assessments

Risk Assessment Results

Cumulative Impacts

Assumptions in Risk Assessment

Evaluation of Residual Impacts

Mitigation of Environmental Impact

Environmental Monitoring and Auditing

Conclusions

Reference

9 WASTE MANAGEMENT IMPLICATIONS

Introduction

Environmental Legislation, Standards and Guidelines

Waste Management

Assessment Approach and Methodology

Prediction and Evaluation of Environmental Impacts

Waste Handling Procedures and Disposal Routes

Mitigation Measures

Evaluation of Residual Impacts

Environmental Monitoring and Audit Requirements

Conclusions

10 TERRESTRIAL ECOLOGY

Introduction

Environmental Legislation, Standards and Guidelines

Assessment Methodology

Ecological Value

Environmental Impact Identification, Prediction and Evaluation

Evaluation of Terrestrial Ecological Impacts

Mitigation of Adverse Environmental Impacts

Evaluation of Residual Impacts

Environmental Monitoring and auditing

Conclusion

Reference

11 MARINE ECOLOGY

Introduction

Environmental Legislation, Policies, Plans, Standards and Criteria

Assessment Methodology

Description of the Environment

Ecological Value

Identification of Environmental Impacts

Evaluation of Environmental Impacts

Mitigation of Environmental Impact

Evaluation of Residual Impacts

Environmental Monitoring and Auditing

Conclusions

References

12 FISHERIES

Introduction

Environmental Legislation, Policies, Plans, Standards and Criteria

Assessment Methodology

Description of the Environment

Identification of Environmental Impacts

Evaluation of Environmental Impacts

Mitigation of Environmental Impact

Evaluation of Residual Impacts

Environmental Monitoring and Auditing

Conclusions

References

13 LANDSCAPE AND VISUAL IMPACT ASSESSMENT

Introduction

Environmental Legislation, Standards and Guidelines

Assessment Methodology

Scope and Content of the Study

Review of Planning and Development Control Framework

Baseline Study

Landscape Impact Assessment

Visual Impact Assessment

Environmental Monitoring and Auditing

Conclusion

14 HAZARD TO LIFE

Part A Assessment for Potentially Hazardous Installations (PHIs)

Introduction

Study Approach

Study Base

Hazard Events at the Existing HKCG Depot

Hazard Events Initiated by Aberdeen PTW and Safety Measures

Hazard Events at the Existing Shell Depot

Hazard Events Initiated by Ap Lei Chau PTW and Safety Measures

Frequency Assessment

Consequence Assessment

Risk Assessment

Mitigation and Monitoring Measures

Conclusion

Reference

Part B Assessment for Overnight Storage of Explosives

Part C Assessment for Disinfection Facilities

Introduction

Hazard Identification

Proposed Safety Measures for Chemicals-related Operations

Assessment of Chemical Spillage Hazards (Scenarios 1 to 9)

Assessment of Incompatible Chemical Mixing Hazards (Scenario 10)

Frequency Estimation

Evaluation of Hazard to Life Impact

Conclusion

References

15 CULTURAL HERITAGE

Introduction

Environmental Legislation, Policies, Plans, Standards and Criteria

Assessment Methodology

Findings of Desk-based Study

Findings of Field Survey

Identification of Environmental Impacts

Prediction and Evaluation of Environmental Impacts

Mitigation Measures of Environmental Impacts

Evaluation of Residual Impacts

Environmental Monitoring and Audit

Conclusions

Reference

16 ENVIRONMENTAL MONITORING AND AUDIT

Introduction

Air Quality

Airborne Noise

Groundborne Noise

Water Quality

Human Health and Ecological Risk

Waste Management Implications

Terrestrial Ecology

Marine Ecology

Fisheries

Landscape and Visual Impact

Hazard to Life

Cultural Heritage

17 CONCLUSIONS & SUMMARY OF ENVIRONMENTAL OUTCOMES

Summary of EIA Findings

Overall Conclusion

18 IMPLEMENTATION SCHEDULE OF PROPOSED MITIGATION MEASURES

LIST OF TABLES

Table 1.1 Designated Projects under the Environmental Impact Assessment Ordinance

Table 2.1 Proposed Effluent Quality Limits for Expanded SCISTW Under HATS Stage 2A

Table 2.2 Design Flows for HATS Stage 2A

Table 2.3 Concurrent Projects in relation to Construction of HATS Stage 2A

Table 2.4 Summary of SCS Tunnel Depths, Sizes, and Lengths

Table 2.5 Summary of Shafts

Table 2.6 Summary of Works Areas

Table 2.7 Summary of Environmental Benefits and Dis-benefits for SCS Alignment Options

Table 2.8 Summary of Environmental Benefits and Dis-benefits of Disinfection Options

Table 2.9 Environmental Benefits and Dis-benefits of Alternative Construction Methods

Table 2.10 Environmental Benefits and Dis-benefits of Key Alternative Construction Sequences

Table 2.11 Green Groups, Professional Bodies, and Academics Institutions Invited for Consultation Exercises

Table 2.12 Summary of Key Comments/Views from the Public – February 2007

Table 2.13 Summary of Key Comments/Views from the Public – January 2008

Table 3.1 Hong Kong Air Quality Objectives

Table 3.2 Average of 5 Years (2002 to 2006) Annual Average Concentrations of Pollutants recorded at EPD’s Air Quality Monitoring Stations on Hong Kong Island

Table 3.3 Average of 5 Years (2002 to 2006) Annual Average Concentrations of Pollutants recorded at EPD’s Sham Shui Po Air Quality Monitoring Station

Table 3.4 Air Sensitive Receivers

Table 3.5 Concurrent Projects for Cumulative Air Quality Assessment

Table 3.6 Emission Factors for Construction Activities

Table 3.7 Conversion Factors for Wake-affected Point Sources

Table 3.8 Summary of Measured or Estimated Odour Emission Rate

Table 3.9 Summary of Odour Flux under Different Surface Overflow Rates

Table 3.10 Summary of Required Odour Removal Efficiency for Deodorization System

Table 3.11 Potential Odour Sources and Existing/Proposed Odour Mitigation Measures at PTWs

Table 3.12 Odour Emission Rate at PTWs

Table 3.13 Potential Odour Sources of Existing & Upgraded Treatment Facilities in SCISTW

Table 3.14 Odour Emission Rate at SCISTW

Table 3.15 Predicted Maximum 1-hour Average TSP Concentrations at 1.5m above Ground

Table 3.16 Predicted Maximum 1-hour Average TSP Concentrations at 1.5m above Ground under “Mitigated” Scenario

Table 3.17 Emission Factors for Construction Activities and Wind Erosion for WDII Project

Table 3.18 Predicted Cumulative Maximum 1-hour Average TSP Concentrations at 1.5m above Ground under the “Mitigated” Scenario

Table 3.18 Predicted Maximum Odour Levels at ASRs (PTWs)

Table 3.19 Predicted Maximum Odour Levels at ASRs (SCISTW)

Table 4.1 Area Sensitivity Ratings (ASRs)

Table 4.2 Construction Noise Criteria for Activity other than Percussive Piling

Table 4.3 Area Sensitivity Rating (ASR) for NSRs in the Close Vicinity of Project Sites

Table 4.4 Acceptable Noise Levels for Percussive Piling

Table 4.5 Acceptable Noise Levels for Fixed Noise Sources

Table 4.6 Noise Sensitive Receivers

Table 4.7 Summary of Construction Tasks and Stages

Table 4.8 Concurrent Projects for Construction Noise Assessment

Table 4.9 Summary of Unmitigated Construction Noise Levels at Representative NSRs During Normal Daytime Working Hours

Table 4.10 Predicted Fixed Plant Noise Levels at Representative Noise Sensitive Receivers (Unmitigated Scenario)

Table 4.11 Summary of Mitigated Construction Noise Levels at Representative NSRs during Normal Daytime Working Hours

Table 4.12 Predicted Fixed Plant Noise Levels at Representative Noise Sensitive Receivers (Mitigated Scenario)

Table 4.13 Construction Noise Residual Impacts

Table 4.14 Powered Mechanical Equipment (PME) for Tunnel Construction During Restricted Hours (Without Mitigation Measures)

Table 4.15 Summary of Unmitigated Construction Noise Levels at Representative NSRs During Restricted Hours

Table 4.16 Summary of Mitigated Construction Noise Levels at Representative NSRs During Restricted Hours

Table 5.1 Construction Groundborne Noise Criteria for Schools, Hospital, Hotel Guestrooms and Domestic Premises

Table 5.2 Tunnel Depth with Respect to District

Table 5.3 Summary of Identified Noise Sensitive Receivers

Table 5.4 Wave Propagation Properties of Soil

Table 5.5 Loss factor for Coupling into Building Foundation

Table 5.6 Summary of Assumptions Applied in Calculation Factors in the Worst Case NSR for TBM Operation

Table 5.7 Summary of Assumptions Applied in Calculation Factors in the Worst Case NSR for Hydraulic Breaker / RBM Operation

Table 5.8 Unmitigated Groundborne Construction Noise Levels at the Worst Affected NSR

Table 6.1 Summary of Water Quality Objectives for North Western WCZ

Table 6.2 Summary of Water Quality Objectives for Western Buffer WCZ

Table 6.3 Summary of Water Quality Objectives for Victoria Harbour WCZ

Table 6.4 Summary of Water Quality Objectives for Eastern Buffer WCZ

Table 6.5 Summary of Water Quality Objectives for Junk Bay WCZ

Table 6.6 Summary of Water Quality Objectives for Southern WCZ

Table 6.7 WSD Standards at Flushing Water Intakes

Table 6.8 Reference Marine Water Quality Criteria for Far Field Water Quality Assessment

Table 6.9 Reference Marine Water Quality Criteria for Near Field Water Quality Assessment

Table 6.10 Comparison of Marine Water Quality Criteria for Water Quality Assessment

Table 6.11 Marine Water Quality Criteria for CBP

Table 6.12 Sediment Quality Criteria for the Classification of Sediment

Table 6.13 Baseline Water Quality Condition for North Western WCZ in 2006

Table 6.14 Baseline Water Quality Condition for Victoria Harbour WCZ in 2006

Table 6.15 Baseline Water Quality Condition for Western Buffer WCZ in 2006

Table 6.16 Baseline Water Quality Condition for Junk Bay and Eastern Buffer WCZ in 2006

Table 6.17 Baseline Water Quality Condition for Southern WCZ in 2006

Table 6.18 Maximum Ambient Concentrations for TRC and CBP

Table 6.19 Maximum Total Contaminant Concentrations in Ambient Marine Water

Table 6.20 Effluent Standards for the HATS Recommended under the ADF Study

Table 6.21 Recommended Sodium Hypochlorite and Sodium Bisulphite Dosages for HATS

Table 6.22 Summary of Chemical Analysis Results

Table 6.23 Ambient Values for pH, Temperature, Salinity and Unionized Ammonia

Table 6.24 Maximum Total Contaminant Concentrations in Effluent Samples

Table 6.25 Assumed Effluent Concentrations for Ammonia

Table 6.28 Typical Hourly Flow Pattern for the SCISTW Effluent

Table 6.29 Effluent Characteristics Assumed for Far Field Water Quality Modelling

Table 6.30 Modelling Scenarios for Operational Phase Impact Assessment

Table 6.31 Assumed % of Pollution Load in the Storm System in Future Years

Table 6.31a Modelling Scenarios for Emergency Discharge of Undisinfected CEPT Effluent

Table 6.31b Modelling Scenarios for Emergency Discharge of TRC

Table 6.32 Coastal Developments to be Incorporated in the 2014, 2021 and Ultimate Coastline Configuration

Table 6.33 Summary of WETT Result for CEPT Effluent (Acute Toxicity)

Table 6.34 Summary of WETT Result for CEPT Effluent (Chronic Toxicity)

Table 6.35 Summary of WETT Result for Secondary Treated Effluent (Acute Toxicity)

Table 6.36 Summary of WETT Result for Secondary Treated Effluent (Chronic Toxicity)

Table 6.37 Predicted TRC at Edge of ZID

Table 6.38 Predicted Unionized Ammonia at edge of ZID

Table 6.39 Predicted Salinity at Edge of ZID

Table 6.40 Predicted Temperature at Edge of ZID

Table 6.41 Predicted Contaminant Concentrations at the edge of the ZID for Stage 2A

Table 6.42 Predicted Contaminant Concentrations at the edge of the ZID for Stage 2B

Table 6.43 Summary of Acute Toxicity Unit (TUa) at Edge of ZID

Table 6.44 Occurrence and Distribution of Red Tides in Hong Kong

Table 6.45 Approximate Dimensions of Mixing Zones at the SCISTW Outfall - Base Case Scenarios

Table 6.46 Approximate Dimension of Mixing Zones at the SCISTW Outfall - Sensitivity Test

Table 6.47 Summary of Chronic Toxicity Unit (TUc) at Edge of Mixing Zone

Table 6.48 Comparison between the Model Prediction and the EPD Monitoring Data

Table 6.49 Predicted Depth-averaged Ortho-Phosphate Levels at Semi-enclosed Bays (Annual Mean)

Table 6.50 Predicted Depth-averaged Ortho-Phosphate Levels at Semi-enclosed Bays (Dry Season)

Table 6.51 Predicted Depth-averaged Ortho-Phosphate Levels at Semi-enclosed Bays (Wet Season)

Table 6.52 Percentage of Time in Compliance with the WQC for P (Within a 1-year Period)

Table 6.53 Percentage of Time in Compliance with the WQC for P (in Dry Season)

Table 6.54 Percentage of Time in Compliance with the WQC for P (in Wet Season)

Table 6.55 Predicted Oxygen Depletion at the SCISTW Outfall Location

Table 7.1a Selected COCs and Effluent Concentrations (Project Scenarios 1 and 2)

Table 7.1b Selected COCs and Effluent Concentrations (Project Scenario 3)

Table 7.2a Estimated Dilution Factors (Project Scenario 1)

Table 7.2b Estimated Dilution Factors (Project Scenarios 2 and 3)

Table 7.3a Estimated Lifetime Incremental Cancer Risk

Table 7.3b Estimated Non-cancer Health Hazard Index (Adult Receptor)

Table 7.3c Estimated Non-cancer Health Hazard Index (Child Receptor)

Table 7.4 Estimated Lifetime Incremental Cancer Risk for Extremely Conservative Exposure Scenario

Table 8.1a Summary of WETT Result for CEPT Effluent (Acute Toxicity)

Table 8.1b Summary of WETT Result for CEPT Effluent (Chronic Toxicity)

Table 8.1c Summary of WETT Result for Secondary Treated Effluent (Acute Toxicity)

Table 8.1d Summary of WETT Result for Secondary Treated Effluent (Chronic Toxicity)

Table 8.2a Selected COCs and Effluent Concentrations for ERA (Project Scenarios 1 and 2)

Table 8.2b Selected COCs and Effluent Concentrations for ERA (Project Scenario 3)

Table 8.3 Averaging Time of TRVs and Corresponding Dilution Factor

Table 8.4a Estimated Dilution Factors (Project Scenario 1)

Table 8.4b Estimated Dilution Factors (Project Scenarios 2 and 3)

Table 8.5 Acute and Chronic Toxicities at Edge of ZID and Edge of Mixing Zone

Table 8.6a Estimated HQ and HI to Aquatic Life (Project Scenario 1)

Table 8.6b Estimated HQ and HI to Aquatic Life (Project Scenario 2)

Table 8.6c Estimated HQ and HI to Aquatic Life (Project Scenario 3)

Table 8.7a Estimated HQ and HI for Marine Mammals (Dolphins)

Table 8.7b Estimated HQ and HI for Marine Mammals (Porpoises)

Table 9.1 Summary of C&D Material Quantities from Construction of Sewage Conveyance System

Table 9.2 Estimated Volume of Excavated Materials Outlet from Each Shaft

Table 9.3 Summary of Surplus C&D Material Quantities from PTW Upgrading

Table 9.4 Summary of Surplus C&D Material Quantities from SCISTW Expansion

Table 9.5 Summary of Annual Disposal Quantities of C&D Materials for HATS 2A

Table 9.6 Summary of Annual Fill Requirements and Surplus Disposal

Table 9.7 Summary of Annual Marine Disposal Quantities for HATS 2A

Table 9.8 Estimated Quantities of Screenings

Table 9.9 Estimated Quantities of Grit

Table 9.10 Current and Estimated Future Removal Frequencies of Screenings/Grit

Table 9.11 Estimated Quantities of Screenings from NWKPTW

Table 9.12 Estimated Quantities of Grit from NWKPTW

Table 9.13 Estimated Quantities of Sludge from SCISTW

Table 9.14 Increased in Waste Quantity under Ultimate Development Scenario

Table 9.15 Existing Operating PFRFs

Table 9.16 Summary of Waste Handling Procedures and Disposal Sites

Table 9.17 Possible Disposal Routes to PFRFs

Table 9.18 Possible Disposal Routes to Landfills

Table 9.19 Possible Disposal Routes to STF

Table 10.1 Area of Various Habitat Types within the Assessment Areas

Table 10.2a Ecological Value of Developed Area and Wasteland in the Assessment Areas

Table 10.2b Ecological Value of Woodland in the Assessment Areas

Table 10.2c Ecological Value of Shrubland and Grassland in the Assessment Areas

Table 10.2d Ecological Value of Watercourse in the Assessment Areas

Table 10.3 Evaluation of Faunal Species of Conservation Interest Recorded within Assessment Area during the Recent Visits under this EIA Study

Table 10.4 Overall Impact Evaluation of Developed Area and Wasteland

Table 11.1 Summary of Main Marine Benthic Species Recorded in Each WCZ During the AFCD (2002) Study

Table 11.2 Summary of Species Richness, Diversity and Eveness of Marine Benthic Communities in the WCZs within Assessment Area

Table 11.3 Benthic Characteristics in Areas Surrounding Lamma Island (Southern WCZ) 11-6

Table 11.4 Vertical Zonation of Abundant Invertebrates Recorded on Lamma Island Intertidal Rocky Shore

Table 11.5 Vertical Zonation of Abundant Invertebrates Recorded in Sandy Bay Intertidal Rocky Shore

Table 11.6 Vertical Zonation of Abundant Invertebrates Recorded in Junk Bay Intertidal Rocky Shore

Table 11.7 Vertical Zonation of Abundant Invertebrates Recorded in Fat Tong Chau Intertidal Rocky Shore

Table 11.8 Vertical Zonation of Abundant Invertebrates Recorded in Junk Bay Intertidal Rocky Shore

Table 11.9 The Vertical Zonation of Abundant Invertebrates Recorded in Junk Bay Intertidal Rocky Shore

Table 11.10 Intertidal Survey Results from Aberdeen PTW

Table 11.11 Vertical Distribution of Dominant Species in Intertidal Rocky Shore

Table 11.12 Ecological Value of Soft Bottom Community in Potential Impacted Areas (Victoria Harbour and Western Buffer WCZs)

Table 11.13 Ecological Value of Intertidal Community in Potentially Impacted Areas (Victoria Harbour and Western Buffer WCZs)

Table 11.14 Ecological Value of Coral Community in Potentially Impacted Areas (Victoria Harbour and Western Buffer WCZs)

Table 11.15 Ecological Value of Chinese White Dolphin in Potentially Impacted Areas (Victoria Harbour and Western Buffer WCZs)

Table 11.16 Potential Ecological Impacts on Benthos Habitats within Potential Impacted Areas (Victoria Harbour and Western Buffer WCZs)

Table 11.17 Potential Ecological Impacts on Coral Community within Potential Impacted Areas (Victoria Harbour and Western Buffer WCZs)

Table 11.18 Potential Ecological Impacts on Intertidal Communities within Potential Impacted Areas (Victoria Harbour and Western Buffer WCZs)

Table 11.19 Ecological Impact on Chinese White Dolphin within Potential Impacted Areas (Western Buffer and Victoria Harbour WCZs)

Table 12.1 Industry Figures for Capture Fisheries

Table 12.2 Production of Top 10 Fish Families in the Area Surrounding SCI Outfall

Table 13.1 Relationship between Receptor Sensitivity and Impact Magnitude in Defining Impact Significance

Table 13.2 Details List of OZPs and Zoning of the Proposed Development

Table 13.3 List of the Landscape Resources and Its Sensitivity to Change

Table 13.4 Visual Sensitive Receivers (VSRs) and Their Sensitivity to Change

Table 13.5 Visual Sensitive Receivers (VSRs) and Their Magnitude of Impacts

Table 13.6 Landscape Impacts of the Proposed Works during Construction Phase

Table 13.7 Proposed Landscape Mitigation Measures for Construction Phase

Table 13.8 Proposed Landscape Mitigation Measures for Operation Phase

Table 13.9 Significance of Landscape Impacts in the Construction and Operation Phases

Table 13.10 Significance of Visual Impacts in the Construction and Operation Phases (Note: All Impacts are Adverse unless otherwise Noted.)

Table 14A.1 Composition of Towngas

Table 14A.2 Physical Properties and Storage Conditions of Towngas

Table 14A.3 Daily Utilisation of Ferry Service between 1st and 27th Sept 2007

Table 14A.4 Temporal Changes in Population for Various Categories

Table 14A.5 Population Data for the Aberdeen Project

Table 14A.6 Population Data for the Ap Lei Chau Project

Table 14A.7 Meteorological Data Analysis

Table 14A.8 Hazards Associate with Operation of HKCG Depot

Table 14A.9 Hazards with Potential Impact to HKCG Depot

Table 14A.10 Estimated Quantities for Chemicals Handled in the Upgraded Aberdeen PTW

Table 14A.11 Hazards Associate with Operation of Shell Depot

Table 14A.12 Hazards with Potential Impact to Shell Depot

Table 14A.13 Frequencies of Initial Failure Events for the HKCG Depot

Table 14A.14 Frequencies of Initial Failure Events for the Shell LPG Compound

Table 14A.15 Frequencies of Failure Events due to Transport Risk at the Shell Transit Depot

Table 14A.16 Frequencies of Failure Events due to Stationary Risk at the Shell Transit Depot

Table 14C.1 Population in Vicinity of 2A

Table 14C.2 Road and Railway Population within the Assessment Area

Table 14C.3 Estimated Marine Population in Vicinity of SCISTW

Table 14C.4a Stability Category-Wind Speed Frequencies at Ching Pak House Weather Station (day-time)

Table 14C.4b Weather Class-Wind Direction Frequencies at Ching Pak House Weather Station (day-time)

Table 14C.5 Mitigation Measures during Construction Associated with SCISTW

Table 14C.6 Estimated Toxic Gas Generation Rates in Various Incompatible Chemicals Mixing Events

Table 14C.7 Estimated Frequency of Various Incompatible Chemicals Mixing Events

Table 14C.8 Properties of Various Incompatible Chemicals Mixing Events

Table 14C.9 Distance from Toxic Gas Release Location Receiving Fatality Probability of 3% and 1% under Weather Class 1F

Table 14C.10 FN Results of Various Incompatible Chemicals Mixing Events

Table 15.1 Graded Buildings Identified on Hong Kong Island

Table 15.2 List of Graded Buildings/Structures in Ngong Shuen Chau Barracks with Field Survey

Table 15.3 List of Non-Graded Built Heritage Resources Identified in the Project Study Area

Table 15.4 Assessment of the Impacts to Resources within 300m of PTW Sites

Table 15.5 Assessment of the Impacts to Resources within 300m of SCS

Table 15.6 Assessment of the Impacts from Existing SCISTW to Graded Buildings on Stonecutters Island

Table 15.7 Assessment of the Impacts from works within the Proposed Area for Disinfection Facilities to Graded Buildings on Stonecutters Island

Table 15.7a Calculated Peak Particle Velocity for Selected Heritage Resources

Table 15.8 Mitigation Recommended for Resources near PTW Sites

Table 15.9 Mitigation Recommended for Resources near Sewage Conveyance System

Table 15.10 Mitigation Recommended for Resources near Existing SCISTW

Table 15.11 Mitigation Recommended for Resources near Area for Disinfection Facilities

Table 17.1 Summary of Key Environmental Outcomes / Benefits

Table 18.1 Project Implementation Schedule