Tuen Mun Bypass

Environmental Impact Assessment

Contents

 

1.           Introduction  1-1

1.1          Project Background  1-1

1.2          Description of the Project 1-2

1.3          EIA Study Brief 1-2

1.4          Designated Projects 1-2

1.5          Objectives of the EIA Study  1-3

1.6          Structure of this EIA Report 1-4

 

2.           Project Description  2-1

2.1          Purposes and Objectives of the Project 2-1

2.2          Benefit of the Project 2-1

2.3          Consideration of “With” and “Without” Project Scenarios 2-2

2.4          Design Changes to the Project 2-2

2.5          Consideration of Alternatives / Options 2-3

2.6          Consideration of Construction Methodologies 2-19

2.7          Tackling Environmental Challenges 2-23

2.8          Preliminary Design for the Project 2-26

2.9          Tentative Construction Programme  2-29

2.10        Concurrent Projects 2-29

2.11        Collating and Addressing Public Views 2-36

2.12        Summary of Key Environmental Outcome  2-38

 

3.           Air Quality Impact 3-1

3.1          Legislation, Standards, and Guidelines 3-1

3.2          Description of the Environment 3-4

3.3          Representative Air Sensitive Receivers 3-7

3.4          Construction Impacts 3-25

3.5          Operational Impacts 3-39

 

4.           Noise Impact 4-1

4.1          Legislation, Standards and Guidelines 4-1

4.2          Baseline Conditions 4-6

4.3          Construction Noise Impact Assessment 4-11

4.4          Road Traffic Noise Impact Assessment 4-28

4.5          Fixed Noise Sources Impact Assessment 4-34

4.6          Environmental Monitoring and Audit 4-39

4.7          Conclusion  4-39

 

5.           Water Quality Impact 5-1

5.1          Legislations, Standards, Guidelines and Criteria  5-1

5.2          Baseline Conditions 5-6

5.3          Representative Water Sensitive Receivers 5-12

5.4          Identification and Evaluation of Water Quality Impacts – Construction Phase  5-13

5.5          Identification and Evaluation of Water Quality Impacts – Operational Phase  5-19

5.6          Cumulative Impacts from Concurrent Projects 5-20

5.7          Recommended Mitigation Measures – Construction Phase  5-21

5.8          Recommended Mitigation Measures – Operational Phase  5-27

5.9          Residual Impacts 5-28

5.10        Environmental Monitoring and Audit (EM&A) 5-28

5.11        Conclusion  5-29

 

6.           Waste Management Implications 6-1

6.1          Legislation, Standards and Guidelines 6-1

6.2          General Principles 6-3

6.3          Construction Phase  6-5

6.4          Operational Phase  6-20

6.5          Environmental Monitoring and Audit 6-24

6.6          Conclusion  6-25

 

7.           Land Contamination  7-1

7.1          Environmental Legislation, Plans, Standards, and Guidelines 7-1

7.2          Assessment Area  7-1

7.3          Assessment Methodology  7-3

7.4          Site Appraisal 7-4

7.5          Identification of Potential Contaminated Area and Hot Spots 7-15

7.6          Site Re-appraisal 7-15

7.7          Selection of RBRG Land Use Scenario and Chemical of Concern (COCs) 7-16

7.8          Site Investigation Plan  7-16

7.9          Evaluation of Environmental Impacts 7-23

7.10        Mitigation of Adverse Environmental Impact 7-23

7.11        Evaluation of Residual Environmental Impacts 7-24

7.12        Conclusion  7-25

 

8.           Hazard to Life  8-1

8.1          Legislation, Standards and Guidelines 8-1

8.2          Project Description  8-3

8.3          Hazard to Life Assessment Methodology  8-25

8.4          Estimation of Population  8-27

8.5          Hazard Identification  8-32

8.6          Frequency Analysis 8-40

8.7          Consequence Analysis 8-52

8.8          Risk Evaluation  8-73

8.9          ALARP Assessment 8-77

8.10        Conclusions 8-86

 

9.           Landfill Gas Hazard  9-1

9.1          Legislation, Standards and Guidelines 9-1

9.2          Scope of this Study  9-1

9.3          Landfill Gas Hazard Assessment Criteria and Methodology  9-2

9.4          Nature of PPVL  9-6

9.5          Potential for the Project to Intercept Landfill Gas 9-9

9.6          Sensitive Targets for Landfill Gas Risk  9-9

9.7          Qualitative Assessment of Risks due to Landfill Gas 9-10

9.8          General Hazards Related to Landfill Gas 9-13

9.9          Recommendations 9-13

9.10        Environmental Monitoring and Auditing  9-19

9.11        Conclusion  9-19

 

10.          Ecological Impact (Terrestrial) 10-1

10.1        Legislation, Standards and Guidelines 10-1

10.2        Background Information  10-2

10.3        Literature Review   10-2

10.4        Ecological Field Survey Methodology  10-12

10.5        Ecological Baseline Conditions 10-15

10.6        Evaluation of Habitats and Species 10-31

10.7        Impact Identification and Prediction  10-61

10.8        Impact Evaluation  10-62

10.9        Cumulative Impacts 10-77

10.10      Mitigation Measures 10-88

10.11      Residual Impacts 10-82

10.12      Environmental Monitoring and Audit (EM&A) 10-83

10.13      Conclusions 10-84

 

11.          Landscape and Visual Impact 11-1

11.1        Introduction  11-1

11.2        Relevant Legislations and Guidelines 11-1

11.3        Assessment Methodology  11-2

11.4        Review of Planning and Development Control Framework  11-8

11.5        Landscape Baseline Study  11-9

11.6        Visual Baseline Study  11-23

11.7        Landscape Impact Assessment 11-29

11.8        Visual Impact Assessment 11-38

11.9        Landscape and Visual Mitigation Measures 11-43

11.10      Residual Impact 11-49

11.11      Cumulative Impact 11-67

11.12      Summary and Conclusions 11-68

 

12.          Cultural Heritage  12-1

12.1        Legislation, Standards and Guidelines 12-1

12.2        Assessment Area  12-2

12.3        Assessment Methodology  12-3

12.4        Baseline Conditions 12-4

12.5        Cultural Heritage Impact Assessment 12-12

12.6        Mitigation Measures 12-13

12.7        Residual and Cumulative Impacts 12-15

12.8        Environmental Monitoring and Audit (EM&A) 12-16

12.9        Conclusion  12-17

12.10      Bibliography  12-18

 

13.          Environmental Monitoring and Audit (EM&A) Requirements 13-1

13.1        Introduction  13-1

13.2        EM&A Manual 13-1

13.3        EM&A Programme  13-2

 

14.          Summary of Environmental Outcomes 14-1

14.1        General 14-1

14.2        Environmentally Friendly Options Considered and Incorporated to Avoid and Minimise Environmental Impact 14-1

14.3        Environmental Benefits of Environmental Protection Measures Recommended  14-5

14.4        Estimated Population Protected from Various Environmental Impacts 14-16

14.5        Overall Conclusion  14-16

 

15.          Conclusion  15-1

15.1        General 15-1

15.2        Air Quality  15-1

15.3        Noise Impacts 15-2

15.4        Water Quality  15-3

15.5        Waste Management Implications 15-4

15.6        Land Contamination  15-4

15.7        Hazard to Life  15-5

15.8        Landfill Gas Hazard  15-6

15.9        Ecological Impact (Terrestrial) 15-6

15.10      Landscape and Visual Impacts 15-7

15.11      Cultural Heritage  15-8

 

Figures

Figure 1.1               Tuen Mun Bypass General Layout Plan

Figure 2.1               Preliminary Alignment Options – Option 1 & 2

Figure 2.2               Alignment Options

Figure 2.2a             Alignment Options - Option A1 and A2

Figure 2.2b             Alignment Options - Option B1, B2 and B3

Figure 2.2c             Alignment Options - Option C1, C2 and C3

Figure 2.3a             Southern Interchange Options – Option S1

Figure 2.3b             Southern Interchange Options – Option S2

Figure 2.3c             Southern Interchange Options – Option S3

Figure 2.4a             Northern Portal Options – Option N1

Figure 2.4b             Northern Portal Options – Option N2

Figure 2.4c             Northern Portal Options – Option N3

Figure 2.5               Middle Ventilation Building Options

Figure 2.6               Southern Ventilation Building Options

Figure 2.7               Northern Ventilation Building Options

Figure 2.8               Tunnel Construction Method

Figure 2.9               Key Elements for the Project

Figure 2.10             Longitudinal Profile for the Tuen Mun Bypass

Figure 2.11             Locations of the Concurrent Project

Figure 3.1a             Locations of Concerned PATH Grids in Lam Tei

Figure 3.1b             Locations of Concerned PATH Grids in Pillar Point

Figure 3.1c             Locations of Concerned PATH Grids in Sam Shing

Figure 3.2a             Locations of Representative Air Sensitive Receivers in Lam Tei during Construction Phase

Figure 3.2b             Locations of Representative Air Sensitive Receivers in Pillar Point during Construction Phase

Figure 3.2c             Locations of Representative Air Sensitive Receivers in Sam Shing during Construction Phase

Figure 3.2d             Locations of Representative Air Sensitive Receivers in Siu Lam during Construction Phase

Figure 3.3a             Locations of Representative Air Sensitive Receivers in Lam Tei during Operational Phase

Figure 3.3b             Locations of Representative Air Sensitive Receivers in Pillar Point during Operational Phase

Figure 3.3c             Locations of Representative Air Sensitive Receivers in Sam Shing during Operational Phase

Figure 3.4a             Locations of PTIs and Heavy Goods Vehicle/Coach Parking in Lam Tei

Figure 3.4b             Locations of Heavy Goods Vehicle/Coach Parking in Pillar Point

Figure 3.4c             Locations of PTIs in Sam Shing

Figure 3.5a             Locations of Chimney in Lam Tei

Figure 3.5b             Locations of Chimney and Marine Facility in Pillar Point

Figure 3.6a             Contours of Cumulative 19th highest 1-hour NO2 Concentration at 1.5m above Ground (Year 2048) in Lam Tei

Figure 3.6b             Contours of Cumulative 19th highest 1-hour NO2 Concentration at 1.5m above Ground (Year 2048) in Pillar Point

Figure 3.6c             Contours of Cumulative 19th highest 1-hour NO2 Concentration at 1.5m above Ground (Year 2048) in Sam Shing

Figure 3.7a             Contours of Cumulative Annual NO2 Concentration at 1.5m above Ground (Year 2048) in Lam Tei

Figure 3.7b             Contours of Cumulative Annual NO2 Concentration at 1.5m above Ground (Year 2048) in Pillar Point

Figure 3.7c             Contours of Cumulative Annual NO2 Concentration at 1.5m above Ground (Year 2048) in Pillar Point (5m)

Figure 3.7d             Contours of Cumulative Annual NO2 Concentration at 1.5m above Ground (Year 2048) in Pillar Point (10m)

Figure 3.7e             Contours of Cumulative Annual NO2 Concentration at 1.5m above Ground (Year 2048) in Sam Shing

Figure 3.8a             Contours of Cumulative 10th highest 24-hour RSP Concentration at 1.5m above Ground (Year 2048) in Lam Tei

Figure 3.8b             Contours of Cumulative 10th highest 24-hour RSP Concentration at 1.5m above Ground (Year 2048) in Pillar Point

Figure 3.8c             Contours of Cumulative 10th highest 24-hour RSP Concentration at 1.5m above Ground (Year 2048) in Sam Shing

Figure 3.9a             Contours of Cumulative Annual RSP Concentration at 1.5m above Ground (Year 2048) in Lam Tei

Figure 3.9b             Contours of Cumulative Annual RSP Concentration at 1.5m above Ground (Year 2048) in Pillar Point

Figure 3.9c             Contours of Cumulative Annual RSP Concentration at 1.5m above Ground (Year 2048) in Sam Shing

Figure 3.10a           Contours of Cumulative 19th highest 24-hour FSP Concentration at 1.5m above Ground   (Year 2048) in Lam Tei

Figure 3.10b           Contours of Cumulative 19th highest 24-hour FSP Concentration at 1.5m above Ground (Year 2048) in Pillar Point

Figure 3.10c           Contours of Cumulative 19th highest 24-hour FSP Concentration at 1.5m above Ground (Year 2048) in Sam Shing

Figure 3.11a           Contours of Cumulative Annual FSP Concentration at 1.5m above Ground (Year 2048) in Lam Tei

Figure 3.11b           Contours of Cumulative Annual FSP Concentration at 1.5m above Ground (Year 2048) in Pillar Point

Figure 3.11c           Contours of Cumulative Annual FSP Concentration at 1.5m above Ground (Year 2048) in Sam Shing

Figure 4.1               Locations of Prevailing Noise Measurement

Figure 4.2               Locations of Noise Sensitive Receivers

Figure 4.3               Locations of Representative NSRs and NAPs for Construction Noise Impact Assessment

Figure 4.4               Locations of Representative NSRs and NAPs for Road Traffic Noise Impact Assessment

Figure 4.5               Locations of Representative NSRs and NAPs for Fixed Noise Sources Impact Assessment

Figure 5.1               Water Quality Impact Assessment Area and Water Sensitive Receivers

Figure 6.1               Facilities for Storage, Collection and Transpiration of Waste

Figure 7.1               Tuen Mun Bypass Project Alignment and Assessment Area

Figure 7.2               Potential Contaminated Area

Figure 9.1               250m Consultation Zone of PPVL

Figure 9.2               Location of Landfill Gas and Groundwater Monitoring Wells at PPVL

Figure 9.3               Geological Map

Figure 9.4               Location of the Proposed Facilities

Figure 10.1             Project Site and Assessment Area

Figure 10.2             Site of Conservation Importance

Figure 10.3             Previous Study Area of Relevant EIAs

Figure 10.4             Species of Conservation Importance from Literature Review within the Study Area

Figure 10.5             Habitat and Species of Conservation Importance Recorded

Figure 10.5a           Habitat and Species of Conservation Importance Recorded (Sheet 1of 3)

Figure 10.5b           Habitat and Species of Conservation Importance Recorded (Sheet 2 of 3)

Figure 10.5c           Habitat and Species of Conservation Importance Recorded (Sheet 3 of 3)

Figure 10.6a           Proposed Stream Diversion Scheme (Sheet 1 of 3)

Figure 10.6b           Proposed Stream Diversion Scheme (Sheet 2 of 3)

Figure 10.6c           Proposed Stream Diversion Scheme (Sheet 3 of 3)

Figure 10.7a           Potential Receptor Site for Flora Transplantation (Diospyros vaccinioides)

Figure 10.7b           Potential Receptor Site for Flora Transplantation (Gnetum luofuense)

Figure 10.8             Potential Receptor Site for Freshwater Crab

Figure 10.9             Potential Location of Compensatory Woodland Planting Sites

Figure 11.1.1          Tuen Mun Bypass General Layout Plan Key Plan

Figure 11.1.2          Tuen Mun Bypass General Layout Plan (Sheet 1)

Figure 11.1.3          Tuen Mun Bypass General Layout Plan (Sheet 2)

Figure 11.1.4          Tuen Mun Bypass General Layout Plan (Sheet 3)

Figure 11.1.5          Tuen Mun Bypass General Layout Plan (Sheet 4)

Figure 11.1.6          Tuen Mun Bypass General Layout Plan (Sheet 5)

Figure 11.1.7          Tuen Mun Bypass General Layout Plan (Sheet 6)

Figure 11.1.8          Tuen Mun Bypass General Layout Plan (Sheet 7)

Figure 11.1.9          Tuen Mun Bypass General Layout Plan (Sheet 8)

Figure 11.1.10        Tuen Mun Bypass General Layout Plan (Sheet 9)

Figure 11.2.1          Outline Zoning Plan (OZP)

Figure 11.3.1          Landscape Resources (LR) – Key Plan

Figure 11.3.2          Landscape Resources (LR) – Southern Interchange In Pillar Point

Figure 11.3.3          Landscape Resources (LR) – Southern Interchange In Pillar Point

Figure 11.3.4          Landscape Resources (LR) – Middle Ventilation Building

Figure 11.3.5          Landscape Resources (LR) – Northern interchange in Lam Tei Quarry

Figure 11.3.6          Landscape Resources (LR) – Northern Landfall

Figure 11.4.1          Landscape Resources Photographs – Pillar Point

Figure 11.4.2          Landscape Resources Photographs – Tuen Mun

Figure 11.4.3          Landscape Resources Photographs – Lam Tei

Figure 11.4.4          Landscape Resources Photographs – Lam Tei

Figure 11.4.5          Landscape Resources Photographs – Northern Landfall

Figure 11.5.1          Landscape Character Areas (LCAS) – Key Plan

Figure 11.5.2          Landscape Character Area (LCAS) – Southern interchange in Pillar Point

Figure 11.5.3          Landscape Character Area (LCAS) – Southern interchange in Pillar Point

Figure 11.5.4          Landscape Character Area (LCAS) – Middle Ventilation Building

Figure 11.5.5          Landscape Character Area (LCAS) – Northern interchange in Lam Tei Quarry

Figure 11.5.6          Landscape Character Area (LCAS) – Northern Landfall

Figure 11.6.1          Landscape Character Areas Photographs – Pillar Point

Figure 11.6.2          Landscape Character Areas Photographs – Tuen Mun

Figure 11.6.3          Landscape Character Areas Photographs – Lam Tei

Figure 11.6.4          Landscape Character Areas Photographs – Northern Landfall

Figure 11.7.1          Visually Sensitive Receivers – Tuen Mun, Pillar Point and North Lantau (Sheet 1)

Figure 11.7.2          Visually Sensitive Receivers – Tuen Mun, Pillar Point and North Lantau (Sheet 2)

Figure 11.7.3          Visually Sensitive Receivers – Lam Tei

Figure 11.8.1          Visually Sensitive Receivers Photographs – Tuen Mun (TM) (Sheet 1)

Figure 11.8.2          Visually Sensitive Receivers Photographs – Tuen Mun (TM) (Sheet 2)

Figure 11.8.3          Visually Sensitive Receivers Photographs – Tuen Mun (TM) (Sheet 3)

Figure 11.8.4          Visually Sensitive Receivers Photographs – Pillar Point (PP) (Sheet 1)

Figure 11.8.5          Visually Sensitive Receivers Photographs – Pillar Point (PP) (Sheet 2)

Figure 11.8.6          Visually Sensitive Receivers Photographs – North Lantau (NL)

Figure 11.9.1          Visually Sensitive Receivers Photographs – Lam Tei (LT) (Sheet 1)

Figure 11.9.2          Visually Sensitive Receivers Photographs – Lam Tei (LT) (Sheet 2)

Figure 11.10.1        Landscape and Visual Mitigation Measures – Key Plan

Figure 11.10.2        Landscape and Visual Mitigation Measures Plan Southern interchange in Pillar Point

Figure 11.10.3        Landscape and Visual Mitigation Measures Plan Middle Ventilation Building

Figure 11.10.4        Landscape and Visual Mitigation Measures Plan Northern interchange in Lam Tei Quarry

Figure 11.10.5        Landscape and Visual Mitigation Measures Plan Northern Landfall

Figure 11.10.6        Artistic Impression of Southern Ventilation Building in Tuen Mun West

Figure 11.10.7        Artistic Impression of Middle Ventilation Building in Wah Fat Street in Tuen Mun

Figure 11.10.8        Artistic Impression of Northern Ventilation Building in Lam Tei Quarry

Figure 11.11.1        Viewing Points – Tuen Mun, Pillar Point and North Lantau (Sheet 1)

Figure 11.11.2        Viewing Points – Tuen Mun, Pillar Point and North Lantau (Sheet 2)

Figure 11.11.3        Viewing Points – Lam Tei

Figure 11.12.1        Photomontage of VP-TM1 – Residents of Alpine Garden, Rainbow Garden, Kam Fai Garden, Harvest Garden and Hoi Tak Garden

Figure 11.12.2        Photomontage of VP-TM 2 – Residents of Seaview Garden

Figure 11.12.3        Photomontage of VP-TM 3 – Residents of Pearl Island Garden

Figure 11.12.4        Photomontage of VP-TM4 – Visitors at Tuen Mun Promenade

Figure 11.12.5        Photomontage of VP-TM5 – Visitors at Hong Kong Gold Coast Dolphin Square

Figure 11.12.6        Photomontage of VP-TM6 – Maritime Travelers To/From Tuen Mun Ferry Terminal

Figure 11.12.7        Photomontage of VP-TM7 – Vehicle Travelers at Tuen Mun Road

Figure 11.12.8        Photomontage of VP-TM11 – Hikers of Maclehose Trail Section 10

Figure 11.12.9        Photomontage of VP-TM12 – Visitors of Sam Shing Temple in Castle Peak Road – Castle Peak Bay

Figure 11.13.1        Photomontage of VP-PP1 – Vehicle Travelers at Lung Mun Road

Figure 11.13.2        Photomontage of VP-PP2 – Workers at Emsd Tuen Mun Vehicle Servicing Station and DSD Pillar Point STW

Figure 11.13.3        Photomontage of VP-PP3 – Workers at River Trade Terminal

Figure 11.13.4        Photomontage of VP-PP4 – Workers at Tuen Mun Area 40

Figure 11.14.1        Photomontage of VP-NL2 – Travelers at Hong Kong Boundary Crossing Facilities

Figure 11.15.1        Photomontage of VP-LT1 – Residents of Lo Fu Hang

Figure 11.15.2        Photomontage of VP-LT2 – Vehicle Travelers on Yuen Long Highway (East Bound)

Figure 11.15.3        Photomontage of VP-LT3 – Trail Walkers on Fu Tei Country Trail and Lam Tei Irrigation Reservoir

Figure 11.15.4        Photomontage of VP-LT5 – Recreational Users of Fuk Hang Tsuen Basketball Court

Figure 12.1             Cultural Heritage Assessment Area

Figure 12.1a           Cultural Heritage Assessment Area (Sheet 1 of 3)

Figure 12.1b           Cultural Heritage Assessment Area (Sheet 2 of 3)

Figure 12.1c           Cultural Heritage Assessment Area (Sheet 3 of 3)

Figure 12.2a           Geology (Sheet 1 of 3)

Figure 12.2b           Geology (Sheet 2 of 3)

Figure 12.2c           Geology (Sheet 3 of 3)

Figure 12.3a           Previous Investigation (Shek Kok Tsui Sai)

Figure 12.3b           Previous Investigation (Shek Kok Tsui Sai)

Figure 12.3c           Previous Investigation (Fu Tei Ha Sai)

 

Appendices

Appendix 3.1          Tentative Location of Key Construction Activities and Air Sensitive Uses

Appendix 3.2          Traffic Department Endorsement on Traffic Data

Appendix 3.3          Traffic Forecast in Year 2033, Year 2036, Year 2041, Year 2046 and Year 2048

Appendix 3.4          Estimation of Trips for Roads with Start Emission in Year 2033, Year 2036, Year 2041, Year 2046 and Year 2048

Appendix 3.5          Hourly Composite Vehicular Emission Factor in Year 2033, Year 2036, Year 2041, Year 2046 and Year 2048

Appendix 3.6          Emission Inventory and Source Locations for Portal and Ventilation Building in Year 2048

Appendix 3.7          Emission Inventory and Source Locations for PTIs and Heavy Goods Vehicle/Coach Parking

Appendix 3.8          Emission Inventory and Source Locations for Industrial Emissions

Appendix 3.9          Marine Department’s Reply on Marine Traffic Data

Appendix 3.10a      Emission Inventory and Source Locations for Marine Emission at River Trade Terminal in Year 2048

Appendix 3.10b      Emission Inventory and Source Locations for Marine Emission at Chu Kong Shipping Terminal in Year 2048

Appendix 3.10c       Emission Inventory and Source Locations for Marine Emission at Landing Area 40 in Year 2048

Appendix 3.11        Removal of Emission for PATH rerun in Year 2030

Appendix 3.12        Jenkin Method for Annual NOx to NO2 Conversion

Appendix 3.13        Detailed Operational Air Quality Assessment Results

Appendix 4.1          Prevailing Noise Measurement Results

Appendix 4.2          Photos of Representative Noise Sensitive Receivers

Appendix 4.3          Review on Typical Quieter Construction Methods

Appendix 4.4          Schematic Drawing for Barrier and Full Enclosure

Appendix 4.5          Traffic Data of Prevailing Year and Assessment Year

Appendix 4.6          Computer Plot of Noise Model

Appendix 4.7          Locations of Existing and Committed Noise Barriers

Appendix 4.8          Locations of Existing and Committed LNRS 

Appendix 4.9          Unmitigated Road Traffic Noise Impacts

Appendix 4.10        Eligibility Testing for Indirect Noise Mitigation Measures

Appendix 4.11        Area Sensitivity Ratings

Appendix 5.1          Baseline Water Monitoring Results

Appendix 5.2          Concurrent Projects

Appendix 5.3          Conditions for Working within Water Gathering Grounds

Appendix 7.1          Contamination Assessment Plan (CAP)

Appendix 8.1          EIA Study Brief

Appendix 8.2          Magazine Site Selection

Appendix 8.3          LPG Installation at Tuen Mun Area 44 and Sam Shing Estate

Appendix 8.4          Population Assumption and Population Data Adopted

Appendix 8.5          Geotechnical Features Considered

Appendix 8.6          Fault Trees for Use of Explosives

Appendix 8.7          Fault Trees for Transportation of Explosives

Appendix 8.8          Individual Risk due to Use, Overnight Storage and Transportation of Explosives

Appendix 8.9          Societal Risk Plots

Appendix 9.1          Landfill Gas Monitoring Results of the Perimeter Monitoring Wells at PPVL

Appendix 9.2          Groundwater Monitoring Results at PPVL

Appendix 9.3          Typical Designs for Precautionary and Protection Measures for Design Phase

Appendix 10.1        Terrestrial Transect and Aquatic Fauna Sampling Location

Appendix 10.2        Habitat Photos

Appendix 10.3        Presence of Plant Species Recorded Within the Study Area

Appendix 10.4        Photographic Records of Species of Conservation Importance

Appendix 10.5        Presence of Mammal Species Recorded Within the Survey Area

Appendix 10.6        Maximum Count of Bird Species Recorded Within the Survey Area

Appendix 10.7        Maximum Count of Reptile Species Recorded Within Survey Area

Appendix 10.8        Relative Abundance of Amphibian Species Recorded Within Survey Area

Appendix 10.9        Maximum Count of Butterfly Species Recorded within the Survey Area

Appendix 10.10      Maximum Count of Odonate Species Recorded within the Survey Area

Appendix 10.11      Presence of Freshwater Fauna Recorded within the Survey Area

Appendix 11.1        Tree Survey Report

Appendix 12.1        Details of Identified Graded Historic Sites/ Buildings/ Structures

Appendix 12.2        Details of Identified Built Heritage Items

Appendix 15.1        Key Assessment Assumptions and Limitation of Assessment Methodologies

Appendix 15.2        Summary of Environmental Impacts Associated with the Project