1
Introduction
1.1
General
1.2 Project
Background
1.3
Purpose and Approach of the EIA Study
1.4 Structure
of this EIA Study Report
2
Project Description
2.1 The
Need and Benefits of the Project
2.2 Key
Project Requirements
2.3 Project
History and Site Selection
2.4 Project
Implementation and Schedule
2.5 Construction
Method
2.6 Concurrent
and Interfacing Projects
2.7 Consideration
of “Without Project” Scenario
2.8 Public
Consultation and Comments
3
Air Quality
3.1 Introduction
3.2 Criteria
and Guidelines
3.3
Description of the Environment
3.4 Construction
Stage
3.5 Operation
Stage
3.6 Conclusion
4
Noise Impact
4.1 Introduction
4.2 Criteria
and Guidelines
4.3 Description
of the Environment
4.4 Noise
Sensitive Receivers
4.5 Construction
Stage
4.6 Operation
Stage
4.7 Evaluation
of Residual Helicopter Noise Impact
4.8 Conclusion
and Recommendation
4.9 Reference
5
Waste Management
5.1 Introduction
5.2 Criteria
and Guidelines
5.3 Description
of the Environment
5.4 Construction
Stage
5.5 Operation
Stage
5.6 Conclusion
6
Ecological Impact – Terrestrial
6.1 Introduction
6.2 Criteria
and Guidelines
6.3 Description
of the Environment
6.4 Assessment
Methodology
6.5 Evaluation
of Surrounding Environment
6.6 Construction
Stage
6.7 Operation
Stage
6.8 Recommended
Mitigation Measures
6.9 Residual
Impact
6.10 Conclusion
6.11 Reference
7
Visual Impact
7.1 Introduction
7.2 Relevant
legislation, standards and guidelines
7.3 Description
of the Environment
7.4 Operation
Stage
7.5 Conclusion
8
Environmental Monitoring and Audit Requirements
8.1 Introduction
8.2 Air
Quality
8.3 Noise
Impact
8.4 Waste
Management
8.5 Ecological
Impact – Terrestrial
8.6 Visual
Impact
8.7 Summary
of Environmental Monitoring and Audit Requirements
9
Conclusion
10 Implementation
Schedule
List of Figures
Figure 1.1
Site Location and its Environs
Figure 1.2
Locations of the Proposed Helipad and the Existing Helipad in TMH, PYNEH and Wan
Chai Heliport
Figure 2.1
Closer view of Proposed Helipad
Figure 2.2
Section view of Proposed Helipad
Figure 2.3
Elevation Views of Proposed Helipad
Figure 2.4
Alternatives of Helipad Siting
Figure 2.5
Flight Sector Options for the Proposed Helipad
Figure 2.6
Selected Flight Sectors for the Proposed Helipad
Figure 2.7
Selected Flight Sectors for the Proposed Helipad (Aerial View)
Figure 3.1
Locations of Representative Air Sensitive Receivers (ASRs) within 500m Study Area
Figure 3.2
Representative Air Quality Impact Assessment Points
Figure 3.3
Emission Sources for Air Quality Modelling Assessment
Figure 3.4
Contour for Cumulative Impact of 10-min Average SO2 Concentration at 289.2mPD
Figure 4.1
Locations of Representative Noise Sensitive Receivers (NSRs)
Figure 4.1a Locations
of Representative Noise Sensitive Receivers (NSRs) (Area 1)
Figure 4.1b Locations
of Representative Noise Sensitive Receivers (NSRs) (Area 2)
Figure 4.1c Locations
of Representative Noise Sensitive Receivers (NSRs) (Area 3)
Figure 4.2
Construction Work Area
Figure 4.3
Proposed Flight Sectors and Representative NSRs for Helicopter Noise Impact Assessment
Figure 4.4
Schematic for Typical Helicopter Operation
Figure 4.5
Mitigation Measures for the Proposed Helipad
Figure 4.6a Typical
Section Drawing for Illustration of Flight Profile under Unmitigated Scenario
Figure 4.6b Typical
Section Drawing for Illustration of Flight Profile under Mitigated Scenario
Figure 4.7a Helicopter
Noise Contour at +246.9mPD Level (Mitigated Scenario)
Figure 4.7b Helicopter
Noise Contour at +140.0mPD Level (Mitigated Scenario)
Figure 4.7c Helicopter
Noise Contour at +61.5mPD Level (Mitigated Scenario)
Figure 4.7d Helicopter
Noise Contour at +18.3mPD Level (Mitigated Scenario)
Figure 6.1
Study Area for Terrestrial Ecological Impact Assessment
Figure 6.2
Habitat Map and Location of Identified Avifauna Species
Figure 7.1
Existing Environment (Night-time)
Figure 7.2
Identified Representative Visual Sensitive Receivers
Figure 7.3
Section Drawing for Visual Impact Assessment at VSR 1
List of Tables
Table 2.1
Summary of need and benefits of the Project
Table 2.2
Summary of Flight Data Landed at PYNEH, TMH and Wan Chai Heliport during Year 2011
to 2015
Table 2.3
Selection of Acute Hospitals (with A&E Services) for the Proposed Helipad
Table 2.4
Alternative of Helipad Siting Locations
Table 2.5
Considerations of the Selection for Flight Sectors
Table 2.6
Medical Services Capability in TMH, PYNEH and QMH
Table 2.7
Merits and Demerits of the Construction Methods for the Proposed Helipad
Table 3.1
Air Quality Objectives
Table 3.2
Air Quality Monitoring Concentrations (µg/m3) at Central/Western (2011 to 2015)
Table 3.3
Air Quality Monitoring Concentrations (µg/m3) at the Monitoring Stations – SSQ &
CWSS (2011 to 2015)
Table 3.4
The PATH Background Concentrations at Concerned Grids (µg/m3) (2020)
Table 3.5
Summary of Representative Air Sensitivity Receivers (ASRs)
Table 3.6
Conversion Factors for 1-hour average SO2 to 10-min Average SO2 Concentration
Table 3.7
Predicted 4th Highest 10-min Average SO2 Concentration at Worst Affected Assessment
Points (Emission from the Helicopter Operation only)
Table 3.8
The 4th Highest 10-min Average SO2 Background Concentrations (µg/m3) (2020)
Table 3.9
Predicted 4th Highest 10-min Average SO2 Concentration at Worst Affected Assessment
Points (Cumulative Impact)
Table 4.1
Noise Standards for Daytime Construction Activities (Non-restricted Hours)
Table 4.2
Helicopter Noise Standards for Planning Purpose
Table 4.3
Representative Noise Sensitive Receivers
Table 4.4
Powered Mechanical Equipment for Construction of the Proposed Helipad
Table 4.5
Predicted Construction Noise Level Leq (30 mins) dB(A)
Table 4.6
Powered Mechanical Equipment for Construction of the New Block of QMH
Table 4.7
Cumulative Construction Noise Level Leq (30 mins) dB(A)
Table 4.8
Emergency Helicopter Operation Records at PYNEH (2011 – 2015)
Table 4.9
Helicopter Noise Data – Lateral Movements
Table 4.10 Helicopter
Noise Data – Non-lateral Movements
Table 4.11 Minimum
Buffer Distances for Different Operation Modes
Table 4.12 Predicted
Helicopter Noise Levels (Lmax) of the Worst Operation Mode (Unmitigated)
Table 4.13 Summary
of Noise Barriers and Noise Reducers
Table 4.14 Predicted
Helicopter Noise Levels (Lmax) of the Worst Operation Mode (Mitigated)
Table 4.15 Information
and Helicopter Noise Complaints of TMH and PYNEH (2011 – 2015)
Table 6.1
Fauna Species Identified During Field Survey
Table 6.2
Ecological Evaluation of Black Kite (Milvus migrans)
Table 6.3
Ecological Evaluation of House Swift (Apus nipalensis)
Table 7.1
Summary of the Visual Impact
Table 8.1
Summary of Required EM&A
Table 9.1
Summary of Noise Barriers and Noise Reducers
Table 9.2
Summary of Waste Generation
Table 10.1 Air
Quality - Implementation Schedule of Mitigation Measures
Table 10.2 Noise
- Implementation Schedule of Mitigation Measures
Table 10.3 Waste
- Implementation Schedule of Mitigation Measures
Table 10.4 Ecological
Impact - Implementation Schedule of Mitigation Measures
Table 10.5 Visual
Impact - Implementation Schedule of Mitigation Measures
Appendix
Appendix 1.1
Project Information and Operation Requirements from Relevant Government Departments
Appendix 3.1
Information of Fuel Properties and Helicopter Emission
Appendix 3.2
Helicopter Emission Calculation
Appendix 3.3
Predicted Air Quality Results
Appendix 4.1
Review of Overseas / International Practices on Noise Assessment for Emergency Helicopter
Operations during Evening and Night-time Periods
Appendix 4.2
List of Representative Noise Sensitive Receivers
Appendix 4.2a
Photos of Representative Noise Sensitive Receivers
Appendix 4.3
Construction Noise Calculations (Unmitigated Scenario)
Appendix 4.3a
Cumulative Construction Noise Calculations (Mitigated Scenario)
Appendix 4.4
Helicopter Noise Calculation (Unmitigated Scenario)
Appendix 4.5
The Illustration of Noise Screening (NSR1 to NSR48)
Appendix 4.6
Helicopter Noise Calculation (Mitigated Scenario)
Appendix 9.1
Summary of Environmental Impacts
Appendix 9.2
Key Assessment Assumptions and Limitation of Assessment Methodologies