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Highways Department 路政署 Major Works
Project Management office 主要工程管理處 |
Agreement
No. CE44/2011 (HY)
Proposed
Road Improvement Works in West Kowloon Reclamation Development – Phase 1 –
Investigation, Design and Construction
Environmental Impact
Assessment Report –
Volume 1 of 4 – Text
(September
2013)
Environmental Impact
Assessment
REPORT (september 2013)
CONTENTS
1.1 Background 1
1.2 This
Assignment 2
2.1 Needs
for the Project 4
2.2 Consideration
of Alternative Alignment, Alternative Construction Method and Selection of
Preferred Scenario 5
2.3 Concurrent
Projects 7
2.4 Designated
Project 7
2.5 EIA
Study Brief 8
2.6 Objectives
of the EIA Study 8
2.7 Structure
of EIA Report 9
3.1 Introduction 10
3.2 Environmental
Legislation, Standards and Guidelines 10
3.3 Description
of Environment 11
3.4 Air
Sensitive Receivers 11
3.5 Potential
Sources of Impact 14
3.6 Identification
of Representative Air Pollutants 15
3.7 Assessment
Methodology 16
3.8 Prediction
and Evaluation of Environmental Impacts 26
3.9 Mitigation
of Adverse Environmental Impacts 33
3.10 Environmental
Monitoring and Audit Requirements 34
3.11 Conclusion 34
4.1 Introduction 35
4.2 Environmental
Legislation, Standards and Guidelines 35
4.3 Description
of Environment 37
4.4 Project
Road Sections Identification 37
4.5 Noise
Sensitive Receivers 39
4.6 Assessment
Methodology 41
4.7 Identification
of Environmental Impacts 44
4.8 Prediction
and Evaluation of Environmental Impacts 44
4.9 Noise
Mitigation Measures 46
4.10 Evaluation
of Residual Impacts 49
4.11 Environmental
Monitoring and Audit Requirements 50
4.12 Conclusion 50
5.1 Introduction 52
5.2 Environmental
Legislation, Standards and Guidelines 52
5.3 Proposed
Assessment Area 54
5.4 Identification
of Water Sensitive Receivers 55
5.5 Assessment
Methodology 55
5.6 Existing
Conditions 56
5.7 Identification
of Potential Impact 58
5.8 Recommended
Water Quality Mitigation Measures 61
5.9 Conclusion 64
6.1 Introduction 65
6.2 Environmental
Legislation 65
6.3 Environmental
Guidelines 66
6.4 Assessment
Approach and Methodology 67
6.5 Mitigation
of Adverse Environmental Impact 75
6.6 Conclusion 88
7. LANDSCAPE
AND VISUAL IMPACT 89
7.1 Introduction 89
7.2 Relevant
Environmental Legislation, Standards and Guidelines 89
7.3 Proposed
Assessment Area 89
7.4 Proposed
Assessment Methodology 90
7.5 General
Approaches to Mitigate Predicted Landscape and Visual Impact 93
7.6 Review
of Planning and Development Framework Guideline 94
7.7 Cumulative
Impact 94
7.8 Existing
Baseline Conditions 95
7.9 Landscape
Assessment 101
7.10 Visual
Assessment 117
7.11 Conclusion 137
8. SUMMARY
OF ENVIRONMENTAL OUTCOMES 139
8.1 Introduction 139
8.2 Approaches
Adopted to Minimize Environmental Impact 139
8.3 Approaches
Adopted to Mitigate Environmental Impacts 140
8.4 Air
Quality Impact 140
8.5 Noise
Impact 141
8.6 Water
Quality Impact 142
8.7 Waste
Management 143
8.8 Landscape
and Visual Impact 143
9. ENVIRONMENTAL
MONITORING AND AUDIT REQUIREMENTS 145
9.1 Introduction 145
9.2 Air
Quality 145
9.3 Noise 145
9.4 Water
Quality 145
9.5 Waste
Management 146
9.6 Landscape
and Visual 146
10. CONCLUSION 147
10.1 General 147
10.2 Air
Quality Impact 147
10.3 Noise
Impact 147
10.4 Water
Quality Impact 148
10.5 Waste
Management 148
10.6 Landscape
and Visual Impact 148
10.7 Environmental
Monitoring and Audit Requirements 148
10.8 Overall 149
TABLES
Table 2.1 Concurrent
Projects Anticipated During Construction Phase
Table 3.1 Hong
Kong Air Quality Objectives
Table 3.2 Representative
Air Sensitive Receivers
Table 3.3 Emission
Factors for Dusty Construction Activities
Table 3.4 Air
Quality Monitoring Results for XRL Project
Table 3.5 16
Vehicle Classes Considered in the EMFAC-HK Model
Table 3.6 Different
Road Types for EMFAC-HK Model
Table 3.7 Summary
of 2010 Hong Kong Emission Inventory for the PATH model
Table 3.8 Summary
of 2015 Hong Kong Emission Inventory for the PATH model
Table 3.9 Summary
of 2020 Hong Kong Emission Inventory for the PATH model
Table 3.10 Summary of
Wind Standard Deviation Adopted in the Model
Table
3.11 Predicted Cumulative Maximum Hourly, Daily and Annual Construction
Dust Concentrations at Various Heights above ASRs for Year 2014
Table
3.12 Predicted Cumulative Maximum Hourly, Daily and Annual Construction
Dust Concentrations at Various Heights above ASRs for Year 2015
Table
3.13 Predicted Cumulative Maximum Hourly, Daily and Annual Average Air Pollutants Concentrations at
Representative ASRs for Worst-case Scenario (Year 2016)
Table 3.14 Summary Breakdown of Predicted Cumulative NO2 Concentrations
for ASRs with Potential Exceedance
Table
4.1 Construction
Noise Standards During Non-Restricted Hours
Table
4.2 Construction
Noise Standards During Restricted Hours
Table
4.3 Area
Sensitivity Ratings (ASRs)
Table
4.4 Road
Types of the Project Roads
Table 4.5 Representative
Noise Sensitive Receivers
Table 4.6 Concurrent
Projects Considered During the Construction Phase
Table 4.7 Unmitigated
Construction Noise Impact, dB(A)
Table
4.8 Unmitigated
Road Traffic Noise Level (DP Roads), dB(A)
Table
4.11 Mitigated Cumulative Construction Noise Level
Table
4.12 Adverse
Residual Noise Impacts During
Examination Period for Year 2014 and Year 2015
Table 5.1 Summary
of Water Quality Objectives for Victoria Harbour (Phase 2) WCZ
Table 5.2 Summary
of Water Quality criteria for WSD intake
Table 5.3 Baseline
Marine Water Quality Condition for Victoria Harbour WCZ
Table 5.4 Marine
Water Quality Condition for Yau Ma Tei Salt Water Pumping Station
Table 5.5 Comparison
of Monitored Salt Water Quality Data against WSD Criteria
Table 6.1 Identification
of Waste Types and sources during Construction Phase of the Project
Table 6.2 Annual
Generation of C&D Materials
Table 6.3 Summary of Waste
Handling Methods and Disposal Routes
Table 7.1 Significance Thresholds
Table 7.2 Summary of Magnitude
of Change of Landscape Resources and Landscape Character Areas
Table 7.3 Summary of
Sensitivity of Landscape Resources and Landscape Character Areas
Table 7.4 Summary of the Assessment of
Landscape Resources and Landscape Character Areas
Table 7.5 Description
of VSRs around Scheme H, I, and J
Table 7.6 Magnitude of Change for the
identified VSRs for Scheme H, I, and J
Table 7.7 Summary of the Deciding Factors
of Sensitivity for Scheme H, I, and J
Table 7.8 Description
of VSRs around Interim Scheme Q and Road Junction Improvement Works
Table 7.9 Magnitude of Change for the
identified VSRs for Interim Scheme Q and Road Junction Improvement Works
Table 7.10 Summary of the Deciding
Factors of Sensitivity for Interim Scheme Q and Road Junction Improvement Works
Table 7.11 Summary of Visual
Impact Assessment for Scheme H, I and J
Table 7.12 Summary of Visual
Impact Assessment for Interim Scheme Q and Road Junction Improvement Works
FIGURES
Figure No. Title
1.1 Proposed Road Improvement Works
in West Kowloon Reclamation Development Phase 1
1.1A Concurrent Projects by
others
1.2 Scheme H(A) General Layout Plan
1.3 Scheme H(B) & I General
Layout Plan
1.4 Scheme J General Layout Plan
1.5 Interim Scheme Q General Layout Plan
2.1 Traffic Routes With and Without
Scheme H(A) and H(B)
2.2 Traffic Routes With and Without
Scheme I
2.3 Traffic Routes With and Without
Scheme J
3.1 Work
Boundary and 500m Study Area for Air Quality Assessment
3.2 Location
of Air Sensitive Receivers (Page 1 of 2)
3.3 Location
of Air Sensitive Receivers (Page 2 of 2)
3.4 Location
of Marine Emissions
4.1 Work
Boundary and 300m Study Area for Noise Impact Assessment
4.2 Location
of Noise Sensitive Receivers (Page 1 of 2)
4.3 Location
of Noise Sensitive Receivers (Page 2 of 2)
4.4 Location
of Construction Sites (Page 1 of 2)
4.5 Location
of Construction Sites (Page 2 of 2)
4.6 Extent
of Low Noise Road Surface on the Existing and Planned Roads
5.1 Environment Impact Assessment
Location of Water Quality Sensitive Receivers
5.2 Location Plan for the EPD
Monitoring Station
7.1 Planning
Development Framework of Scheme H, I, J and Q
7.2 Landscape
Resources at Scheme H, I, J and Q
7.3 Landscape
Character Areas at Scheme H, I, J and Q
7.4 Location
of Representative Visual Sensitive Receivers
7.51 Broad
Brush Tree Survey Plan (Sheet 1 of 5)
7.52 Broad
Brush Tree Survey Plan (Sheet 2 of 5)
7.53 Broad
Brush Tree Survey Plan (Sheet 3 of 5)
7.54 Broad
Brush Tree Survey Plan (Sheet 4 of 5)
7.55 Broad
Brush Tree Survey Plan (Sheet 5 of 5)
7.5a Scheme
H(A) Existing Tree Survey Plan (Sheet 1 of 3)
7.5b Scheme
H(A) Existing Tree Survey Plan (Sheet 2 of 3)
7.5c Scheme
H(A) Existing Tree Survey Plan (Sheet 3 of 3)
7.5d Scheme
H(B) & I Existing Tree Survey Plan
7.5e Scheme
J Existing Tree Survey Plan
7.5f Interim
Scheme Q Existing Tree Survey Plan (Sheet 1 of 2)
7.5g Interim
Scheme Q Existing Tree Survey Plan (Sheet 2 of 2)
7.6a Tree
Compensation Plan (Sheet 1 of 9)
7.6b Tree
Compensation Plan (Sheet 2 of 9)
7.6c Tree
Compensation Plan (Sheet 3 of 9)
7.6d Tree
Compensation Plan (Sheet 4 of 9)
7.6e Tree
Compensation Plan (Sheet 5 of 9)
7.6f Tree
Compensation Plan (Sheet 6 of 9)
7.6g Tree
Compensation Plan (Sheet 7 of 9)
7.6h Tree
Compensation Plan (Sheet 8 of 9)
7.6i Tree
Compensation Plan (Sheet 9 of 9)
7.71 Tree
and Landscape Plan (Sheet 1 of 8)
7.72 Tree
and Landscape Plan (Sheet 2 of 8)
7.73 Tree
and Landscape Plan (Sheet 3 of 8)
7.74 Tree
and Landscape Plan (Sheet 4 of 8)
7.75 Tree
and Landscape Plan (Sheet 5 of 8)
7.76 Tree
and Landscape Plan (Sheet 6 of 8)
7.77 Tree
and Landscape Plan (Sheet 7 of 8)
7.78 Tree
and Landscape Plan (Sheet 8 of 8)
7.7a Photographic
Record of Landscape Resources
7.7b Photographic
Record of Landscape Character Areas
7.7c Photographic
Record of Key Visually Sensitive Receivers
7.7d Photographic
Record of Key Visually Sensitive Receivers
7.9a Illustration
of Scheme H(A) and J
7.9b Illustration
of Scheme H(B) and I
7.9c Illustration
of Interim Scheme Q and Road Junction Improvement Works
7.10a Photomontage
of Scheme H(A)
7.10b Photomontage
of Scheme H(B) and I
APPENDICES
Appendix 3.1 Traffic
Data of the Study Area
Appendix 3.3 Assumption
and Input Parameters for EMFAC-HK
Appendix 3.4 Calculation
of Vehicular Emission Factors for Different Roads
Appendix 3.5 Detailed
Calculation of Chimney, Portal, Top Opening and Ventilation Building Emission
Appendix 3.7 Results
of the Pollutant Concentrations for Discrete ASRs
Appendix 3.8 Calculation
of Emission Factor for Construction Dust Assessment
Appendix 3.9 Results
of Construction Dust Assessment for Year 2014 and Year 2015
Appendix 4.1A Photos
of Existing NSRs
Appendix 4.1B Correspondence
from Planning Department
Appendix 4.2A Unmitigated
Powered Mechanical Equipment
Appendix 4.2B Unmitigated
Sound Power Level of the Project
Appendix 4.2C Notional
Distance from Construction Sites of the Project
Appendix 4.2D Detailed
Calculation of Unmitigated Construction Noise Level of the Project
Appendix 4.2E Summary
of Unmitigated Construction Noise Level of the Project
Appendix 4.3A Traffic
Flow Data for Traffic Noise Assessment at Design Year (Year 2030)
Appendix 4.3B Traffic
Flow Data for Prevailing Traffic Noise Assessment (Year 2013)
Appendix 4.3C Endorsement
Letter from Transport Department
Appendix 4.3D Traffic
Data of Internal Roads of WKCD
Appendix 4.4A Sensitivity
Test for Canton Road
Appendix 4.4B Detailed
Calculations of Traffic Noise Levels for NSRs along Canton Road
Appendix 4.4C Traffic
Flow Data for Traffic Noise Assessment of Interim Access in Austin Road West
Appendix 4.5 Detailed
Calculations of Traffic Noise Levels
Appendix 4.6 Sample
Calculation of the Traffic Noise Model
Appendix 4.7 Road-plots
for Road Traffic Noise Model
Appendix 4.8A Mitigated
Powered Mechanical Equipment
Appendix 4.8B Mitigated
Sound Power Level of the Project
Appendix 4.8C Notional
Distance from Construction Sites of the Project
Appendix 4.8D Detailed
Calculation of Mitigated Construction Noise Level of the Project
Appendix 4.8E Summary
of Mitigated Construction Noise Level of the Project
Appendix 4.9A Plant
List of the Concurrent Projects
Appendix 4.9B Sound
Power Level of the Concurrent Projects
Appendix 4.9C Notional
Distance from Construction Sites of the Concurrent Projects
Appendix 4.9D Detailed
Calculation of Construction Noise Level of the Concurrent Projects
Appendix 4.9E Summary
of Construction Noise Level of the Concurrent Projects
Appendix
4.9F Summary of Mitigated Cumulative Construction Noise Level
Appendix 6.4A Sediment Sampling and Testing Plan (Issue 2)
Appendix 6.4B Existing
Ground Investigation Records (Extracts)
Appendix 6.4C Availability
of Marine Disposal Sites for Proposed Sediment Removal
Appendix 7.1 Tree Survey Schedule
Appendix
8.1 Implementation
Schedule of Recommended Mitigation Measures
