TABLE OF CONTENT (VOLUME 1 OF 2)

1 INTRODUCTION

1.1Background

1.2Purpose and Objectives of the EIA

1.3Study Area

1.4Key Environmental Issues and Study Approach

1.5Structure of the EIA Report

2DESCRIPTION OF THE PROJECT

2.1Needs for the Project

2.2Considerations on Siting of New Crematorium

Option 1: Building additional new cremators at existing crematoria

Option 2: Building a new crematorium at a new site

Option 3: Reprovisioning of the cremators at the Existing Crematorium site at Diamond Hill

Proposed Project Site

2.3Considerations on Layout of New Crematorium

2.4Considerations on Selection of Cremation and Pollution Control Technologies

Cremation Technology

Pollution Control Technology

2.5Description of the Existing and New Crematorium

Existing Crematorium

New Crematorium

2.6Construction and Demolition Programme

Phase I

Phase II

2.7Construction and Demolition Methodology

Phase I

Demolition Works

Construction Works

Phase II

Demolition Works

Construction Works

2.8Benefits of this Project

2.9Interactions with Other Projects

2.10Scenarios with and without the Project

3ENVIRONMENTAL LEGISLATION, POLICIES, PLANS, STANDARDS AND CRITERIA

3.1Environmental Impact Assessment

3.2Air Quality

3.3Noise

Construction Noise Criteria

General Construction Works

Operation Noise Criteria

3.4Land Contamination

3.5Waste Management

Waste Disposal (Chemical Waste) (General) Regulation

Construction and Demolition (C&D) Materials

3.6Landscape and Visual

3.7Water Quality

3.8Hazard to Life

4AIR QUALITY IMPACT ASSESSMENT

4.1Introduction

4.2Overview of the Project

Background of the Project

Description of the Proposed Project

4.3Introduction to Cremation and Air Pollution Control Technology

Introduction to Cremation Technology

Flat-bed Cremator

Free-falling Cremator

Introduction to the Available Air Pollution Control Technology

Wet Scrubbing

Carbon Injection

Neutralization with Chemical

Electrostatic Precipitation

Bag Filters

Quenching

Air Pollution Control Technology to be Adopted by the New Crematorium

4.4Description of the Nearby Environment

Geographic Conditions of the Site

Background Ambient Air Quality

Air Sensitive Receivers

Existing and Future Construction Projects Near the Site

Diamond Hill No. 2 Freshwater Service Reservoir

KCRC Shatin to Central Link

4.5Methodology of the Air Quality Assessment

Background Information of the Construction Works of the Project

Construction Works of Phase I

Commissioning and Operation of New Crematorium

Concerned Air Pollutants

Air Quality Acceptable Criteria

Design of the Cremators

Air Quality Impact Assessment

Decommissioning of the Existing Crematorium and Phase II Building Works

4.6Results of the Air Quality Impact Assessment

Construction Works of Phase I

Maximum Impact to the Air Quality Due to the Phase I Construction Works

Cumulative Impact Including Background due to the Nearby Projects

Testing and Commissioning of the New Crematorium

Operation of the New Crematorium

Air Quality Impact Assessment Results

Air Quality Assessment for the Operation of Joss Paper Burners

Demolition of the Existing Crematorium and Phase II Building Works

Maximum Impact to the Air Quality Due to Phase II Construction Works

Fugitive Emission of Dioxin Contaminated Dust during Decommissioning of the Existing Crematorium

Demolition and Removal of Asbestos Containing Material

4.7Mitigation Measures to Reduce Adverse Environmental Impacts

Construction Works of Phase I

Commissioning of New Crematorium

Operation of New Crematorium

Demolition of the Existing Crematorium and Phase II Construction Work

4.8Evaluation of Residual Impacts

Construction and Demolition Phase

Operation Phase

5NOISE IMPACT ASSESSMENT

5.2Study Area

Description of the Noise Environment

Determination of Assessment Area

Identification of Representative Noise Sensitive Receivers

5.3Construction and Demolition Noise Assessment

Methodology of Assessment and Assumptions

Potential Sources of Impact and Emission Inventory

Assessment Results

Proposed Construction/Demolition Noise Mitigation Measures

Residual Impacts

5.4Operation Noise Assessment

Methodology of Assessment and Assumptions

Potential Fixed-noise Sources

Assessment Results

Transitional Impacts (Testing and Commissioning of New Cremators)

5.5Summary

Construction and Demolition Noise

Operation Noise

6LAND CONTAMINATION ASSESSMENT

6.1Introduction

6.2Geology, Hydrogeology and Hydrology

6.3Current Landuses

6.4Surrounding Landuses

6.5Previous Landuses

6.6Site Walkover Survey

6.7Contaminant Sources

6.8Site Investigations

6.9Assessment Results

6.10Proposed Remediation Action Plan

6.11Potential for Future Land Contamination

7WASTE MANAGEMENT IMPLICATIONS

7.2Assessment Methodology

7.3Identification of Potential Environmental Impacts During Construction and Demolition Phase

Phase I

Phase II

7.4Identification of Potential Environmental Impacts During Operation Phase

7.5Prediction and Evaluation of Environmental Impacts for Construction and Demolition Phase

Excavated Materials

Construction and Demolition Materials

Contaminated Materials

Asbestos Containing Materials (ACM)

Dioxin Containing Materials (DCM) / Heavy Metal Containing Materials (HMCM) / Polyaromatic Hydrocarbon Containing Materials (PAHCM) from Demolition of the Existing Crematorium

Dioxin Containing Materials (DCM) / Heavy Metal Containing Materials (HMCM) / Polyaromatic Hydrocarbon Containing Materials (PAHCM) / Total Petroleum Hydrocarbon Containing Materials (TPHCM) / Polychlorinated Biphenyls Containing Materials (PCBCM) from Soil Remediation at the Project Site

Potential Hazards of ACM, DCM, HMCM, Hydrocarbon Containing Materials and PCBCM

Chemical Wastes

General Refuse

Cumulative Impacts

7.6Prediction and Evaluation of Environmental Impacts for Operation Phase

Ash and Non-combustible Residues

Chemical Waste

General Refuse

7.7Mitigation of Adverse Environmental Impacts for Construction and Demolition Phase

General - Good Site Practice and Waste Reduction Measures

Excavated Material

Construction and Demolition Material

Contaminated Materials

Further Contamination Investigation

Asbestos Containing Materials (ACM)

Dioxin Containing Materials (DCM) / Heavy Metal Containing Materials (HMCM) / Polyaromatic Hydrocarbon Containing Materials (PAHCM) from Demolition of the Existing Crematorium

Dioxin Containing Materials (DCM) / Heavy Metal Containing Materials (HMCM) / Polyaromatic Hydrocarbon Containing Materials (PAHCM) / Total Petroleum Hydrocarbon Containing Materials (TPHCM) / Polychlorinated Biphenyls Containing Materials (PCBCM) from Soil Remediation at the Project Site

Chemical Waste

General Refuse

7.8Mitigation of Adverse Environmental Impacts for Operation Phase

Ash and Non-combustible Residues

Chemical Waste

General Refuse

7.9Conclusions

8LANDSCAPE AND VISUAL IMPACT ASSESSMENT

8.1Assessment Methodology

Landscape Impact Assessment Methodology

Visual Impact Assessment Methodology

Mitigation Measures

Residual Impacts

Funding, Implementation, Management and Maintenance

Photomontage Illustration

8.2Assessment Results

Review of Planning Development Control Framework

Existing Landscape and Visual Context

Landscape Impacts

Landscape Resources – Tree Survey

Visual Impacts

Recommended Mitigation Measures During Construction/Operation

Photomontages

Funding, Implementation and Management

Cumulative Impacts

Conclusion and Summary of Landscape and Visual Impacts

9WATER QUALITY IMPACT ASSESSMENT

9.1Introduction

9.2Assessment Methodology

9.3Baseline Condition

Existing Water Quality

Water Sensitive Receivers

9.4Potential Sources of Impacts

Construction and Demolition Phase

Operation Phase

9.5Prediction and Evaluation of Environmental Impacts

Construction and Demolition Phase

Operation Phase

9.6Mitigation of Adverse Environmental Impacts

Construction and Demolition Phase

Operation Phase

9.7Conclusions

10HAZARD TO LIFE

10.1Introduction

10.2Potential Hazard of the Project

10.3Recommended Safety Measures

Fuel Tanks Design

Fuel Storage and Transportation

DG Storage

10.4Conclusion

11ENVIRONMENTAL MONITORING AND AUDIT (EM&A) REQUIREMENTS

11.2EM&A Requirements for Construction and Demolition Phases I & II

Air Quality

Noise

Land Contamination

Waste Management

11.3Operation Phase

Air Quality

Landscape and Visual

11.4Summary for All Monitoring Parameters

11.5Environmental Management Plan

12SUMMARY OF ENVIRONMENTAL OUTCOMES

12.1The Project

12.2Key Environmental Impact

12.3Key Environmental Outcomes

13CONCLUSION

14IMPLEMENTATION SCHEDULE OF MITIGATION MEASURES

LIST OF TABLES (VOLUME 1 OF 2)

Table 3.1        Hong Kong Air Quality Objectives

Table 3.2        Air Quality Criteria for non-AQO Pollutants

Table 3.3        Health Risk Guidelines for Exposure to Air Toxics

Table 3.4        EIA-TM Noise Standard for Daytime Construction Activities

Table 3.5        Acceptable Noise Levels for Fixed Noise Sources

Table 4.1        Air Pollutant Emission Limited as Stipulated in the Existing BPM 12/2 and the Target Emission Levels of the New Crematorium

Table 4.2        Background Air Pollutant Levels Adopted for Air Quality Assessment

Table 4.3        Details of the ASRs

Table 4.4        Tentative Work Schedule of the Project

Table 4.5        Dust Emission Factors Adopted for the Air Quality Assessment of the Phase I Construction Works

Table 4.6        Acceptable Air Quality Criteria of the Air Quality Impact Assessment

Table 4.7        Calculation of Emission Rates of Air Pollutants

Table 4.8        Calculation of Emission Rates of Odour

Table 4.9        Data Input for ISCST Analysis – Phase I Construction Work

Table 4.10      Fugitive Dust Impact to the ASRs at 1.5 m above ground due to the Phase I Construction Work

Table 4.11      Data Input for ISCST3 Modelling Work

Table 4.12      Maximum Air Quality Impact at the 24 ASRs

Table 4.13      Increased Risk to Lifetime Exposureof 70 years to Dioxins

Table 4.14      Data Input for ISCST3 Modelling Work for Odour Assessment

Table 4.15      Results of the Odour Assessment at Different Atmospheric Stability Classes

Table 4.16      Maximum 5-second Odour Exposure at ASRs Under Stability Class E,F

Table 4.17      Comparison of Existing and New Cremators

Table 4.18      Data Input for ISCST3 Analysis – Phase II Construction Work

Table 4.19      Fugitive Dust Impact to the ASRs at 1.5 mA.G. due to Phase II Construction Work

Table 5.1        Details of the Representative Noise Sensitive Receivers

Table 5.2        Predicted (Unmitigated) Noise Levels of Phase I and II Construction Works

Table 5.3        Examples of Quiet PME

Table 5.4        Predicted (Mitigated) Noise Levels of Phase I Works

Table 5.5        Predicted (Mitigated) Noise Levels of Phase II Works

Table 5.6        Prevailing Daytime Noise Levels and ASR of the Representative NSRs

Table 5.7        Predicted Noise Impacts Contributed from the Operation of the Crematorium

Table 6.1        Exploratory Holes

Table 6.2        Summary of Soil Testing Results

Table 6.3        Results of TCLP Tests for Parameters Exceeding Assessment Criteria

Table 7.1        Level and Volume of Contaminated Ash Waste in KCIP and TSKH Clinical Waste Incinerator

Table 7.2        Further Contamination Investigation Requirements

Table 7.3        Proposed Contamination Classification for Ash Waste with DCM/HMCM

Table 7.4        Demolition, Handling, Treatment and Disposal of Moderately Contaminated DCM and Moderately/Severely Contaminated HMCM / PAHCM

Table 7.5        Demolition, Handling, Treatment and Disposal of Severely Contaminated DCM

Table 8.1        Matrix for Analysis of the Significance Threshold for the Landscape and Visual Impact

Table 8.2        Overall Impact for the Proposed Crematorium Scheme

Table 8.3        Summary of the key anticipated landscape impacts

Table 8.4        Summary of the key anticipated visual impacts

Table 8.5        Summary of mitigation measures and residual landscape impacts

Table 8.6        Summary of mitigation measures and residual visual impacts

Table 9.1        Summary of Water Quality Monitoring Data for Kai Tak Nullah Monitoring Station KN7 in 2001

Table 11.1      Limit Levels of TSP Monitoring

Table 11.2      Location of TSP Monitoring

Table 11.3      Location of Noise Monitoring

Table 11.4      Limit Levels of Noise Monitoring

Table 11.5      Supplementary and Confirmatory Site Investigations Locations, Timing and Parameters

Table 11.6      Supplementary Site Investigations Locations, Timing and Parameters

Table 11.7      Summary of the Requirements for Monitoring of Air Pollution Emissions and Cremation Process

Table 11.8      Summary for All Monitoring Parameters

Table 12.1      Summary of Key Environmental Impacts

Table 14.1      Implementation Schedule for Reprovisioning of Diamond Hill Crematorium

APPENDICES (VOLUME 1 OF 2)

LIST OF FIGURES (VOLUME 2 OF 2)

Figure 2.1        Existing Crematorium and Project Site Boundary

Figure 2.2        Lower Ground Floor Plan

Figure 2.3        Ground Floor Plan

Figure 2.4        First Floor Plan

Figure 2.5        Roof Plan

Figure 2.6        Construction and Demolition Phase Boundary

Figure 2.7        Proposed Project Programme

Figure 2.8        Locations of Co-current Projects

Figure 4.1        Locations of Air Sensitive Receivers

Figure 4.2        Maximum Level of Fugitive Dust During Phase I Construction at 1.5 mA.G. (worst hit level as well, 1-hour average) (unmitigated)

Figure 4.3        Maximum Level of Fugitive Dust During Phase I Construction Work at 1.5 mA.G. (worst hit level as well, 1-hour average) (mitigated)

Figure 4.4        Maximum Level of Fugitive Dust During Phase I Construction Work at 1.5 mA.G. (worst hit level as well, 24-hour average) (unmitigated)

Figure 4.5        Maximum Level of Fugitive Dust During Phase I Construction Work at 1.5 mA.G. (worst hit level as well, 24-hour average) (mitigated)

Figure 4.6        Maximum Level of Fugitive Dust During Phase II Construction Work at 1.5 mA.G. (worst hit level as well, 1-hour average) (unmitigated)

Figure 4.7        Maximum Level of Fugitive Dust During Phase II Construction Work at 1.5 mA.G. (worst hit level as well, 1-hour average) (mitigated)

Figure 4.8        Maximum Level of Fugitive Dust During Phase II Construction Work at 1.5 mA.G. (worst hit level as well, 24-hour average) (unmitigated)

Figure 4.9        Maximum Level of Fugitive Dust During Phase II Construction Work at 1.5 mA.G. (worst hit level as well, 24-hour average) (mitigated)

Figure 4.10      Maximum Level of RSP During Operation at 1.5 mA.G. (24-hour average)

Figure 4.11      Maximum Level of RSP During Operation at 58.5 mA.G. (worst hit level, 24-hour average)

Figure 4.12      Maximum Level of CO During Operation at 1.5 mA.G. (1-hour average)

Figure 4.13      Maximum Level of CO During Operation at 61.5 mA.G. (worst hit level, 1-hour average)

Figure 4.14      Maximum Level of CO During Operation at 1.5 mA.G. (8-hour average)

Figure 4.15      Maximum Level of CO During Operation at 61.5 mA.G. (worst hit level, 8-hour average)

Figure 4.16      Maximum Level of NO₂ During Operation at 1.5 mA.G. (1-hour average)

Figure 4.17      Maximum Level of NO₂ During Operation at 61.5 mA.G. (worst hit level, 1-hour average)

Figure 4.18      Maximum Level of NO₂ During Operation at 1.5 mA.G. (24-hour average)

Figure 4.19      Maximum Level of NO₂ During Operation at 58.5 mA.G. (worst hit level, 24-hour average)

Figure 4.20      Maximum Level of SO₂ During Operation at 1.5 mA.G. (1-hour average)

Figure 4.21      Maximum Level of SO₂ During Operation at 61.5 mA.G. (worst hit level, 1-hour average)

Figure 4.22      Maximum Level of SO₂ During Operation at 1.5 mA.G. (24-hour average)

Figure 4.23      Maximum Level of SO₂ During Operation at 58.5 mA.G. (worst hit level, 24-hour average)

Figure 4.24      Maximum Level of HCl During Operation at 1.5 mA.G. (1-hour average)

Figure 4.25      Maximum Level of HCl During Operation at 61.5 mA.G. (worst hit level, 1-hour average)

Figure 4.26      Maximum Level of Mercury During Operation at 1.5 mA.G. (1-hour average)

Figure 4.27      Maximum Level of Mercury During Operation at 61.5 mA.G. (worst hit level, 1-hour average)

Figure 4.28      Maximum Level of Excess Cancer Risk During Operation at 1.5 mA.G. (worst hit level as well)

Figure 4.29      Maximum Level of Odour (5-second average) During Operation at 1.5 mA.G.

Figure 4.30      Maximum Level of Odour (5-second average) During Operation at 61.5 mA.G. (worst hit level)

Figure 5.1        Location Plan of Representative Noise Sensitive Receivers

Figure 6.1        Potential Sources of Contamination

Figure 6.2        Location of Exploratory Holes

Figure 6.3        Summary of the Remediation Works

Figure 8.1        Planning Context (Scale 1:5,000)

Figure 8.2        Diamond Hill Crematorium Landscape Impact Assessment Survey Plan (Scale 1:5,000)

Figure 8.3        Master Landscape Plan

Figure 8.4        Longitudinal and Transverse Sections of the New Crematorium

Figure 8.5        Diamond Hill Crematorium Visual Impact Assessment Survey Plan (Scale 1:5,000)

Figure 8.6        Diamond Hill Crematorium Visual Impact Assessment - Key Viewpoints (Refer survey plan for locations)

Figure 8.7        New Crematorium View A (from Diamond Hill Um Cemetery)

Figure 8.8        New Crematorium View B (from Po Kong Village Road)

Figure 8.9        New Crematorium View C (from Po Kong Village Road)

Figure 8.10      New Crematorium View D (from New School Village)

Figure 8.11      New Crematorium View E (from Fung Tak Estate)

Figure 8.12      New Crematorium View F (from Fu Shan Estate)

Figure 8.13      Existing and New Crematoria View A (from Diamond Hill Um Cemetery)

Figure 8.14      Existing and New Crematoria View B (from Po Kong Village Road)

Figure 8.15      Existing and New Crematoria View C (from Po Kong Village Road)

Figure 8.16      Existing and New Crematoria View D (from New School Village)

Figure 8.17      Existing and New Crematoria View E (from Fung Tak Estate)

Figure 8.18      Existing and New Crematoria View F (from Fu Shan Estate)

Figure 9.1        River Water Quality Monitoring Stations in Kai Tak Nullah

Figure 9.2        Water Sensitive Receivers Nearby the Project Site

LIST OF ABBREVIATIONS