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SA1 to Agreement No. CE 54/2001 (CE)
WAN CHAI
DEVELOPMENT PHASE II
PLANNING AND
ENGINEERING REVIEW
ENVIRONMENTAL
IMPACT ASSESSMENT REPORT
for
WAN CHAI DEVELOPMENT PHASE II AND CENTRAL-WAN CHAI
BYPASS
CONTENTS
Page
VOLUME 2 – Road Works
Part A - Schedule 2 DP1:
Central-Wanchai Bypass (CWB) including its road tunnel and slip roads
1.1 Project Background........................................................................................... 1-1
1.2 WDII Review................................................................................................... 1-2
1.3 Harbour-Front Enhancement Review.................................................................. 1-3
1.4 Environmental Impact Assessment..................................................................... 1-4
1.5 Objectives and Scope of the EIA Study............................................................... 1-5
1.6 Designated Projects under the EIAO.................................................................. 1-6
1.7 Relevant Approved EIA Reports........................................................................ 1-7
1.8 Structure of this Volume 2 – Part A.................................................................... 1-7
2.1 Site Location..................................................................................................... 2-1
2.2 EIA Study Area................................................................................................ 2-1
2.3 Review of Previous EIAs................................................................................... 2-2
2.4 Project Requirements, Scope and Benefits.......................................................... 2-5
2.5 Consideration of Alternatives and
Development of Preferred Option..................... 2-8
2.6 Construction Methods and Engineering
Requirements......................................... 2-20
2.7 Operation of the Project................................................................................... 2-23
2.8 Works Programme........................................................................................... 2-23
2.9 Related Projects.............................................................................................. 2-23
3.1 Introduction....................................................................................................... 3-1
3.2 Environmental Legislation, Policies,
Plans, Standards and Criteria......................... 3-1
3.3 Description of the Environment........................................................................... 3-2
3.4 Sensitive Receivers............................................................................................ 3-3
3.5 Identification of Environmental Impacts............................................................... 3-5
3.6 Assessment Methodology................................................................................... 3-7
3.7 Prediction and Evaluation of
Environmental Impacts........................................... 3-23
3.8 Mitigation of Adverse Environmental
Impacts.................................................... 3-35
3.9 Evaluation of Residual Impacts......................................................................... 3-35
3.10 Environmental Monitoring and Audit.................................................................. 3-36
3.11 Conclusion....................................................................................................... 3-36
4.1 Introduction....................................................................................................... 4-1
4.2 Environmental Legislation, Policies,
Plans, Standards and Criteria......................... 4-1
4.3 Description of the Environment........................................................................... 4-6
4.4 Sensitive Receivers............................................................................................ 4-7
4.5 Assessment Methodology................................................................................... 4-9
4.6 Identification of Environmental Impacts............................................................. 4-15
4.7 Prediction and Evaluation of
Environmental Impacts........................................... 4-16
4.8 Mitigation of Adverse Environmental
Impacts.................................................... 4-18
4.9 Evaluation of Residual Impacts......................................................................... 4-24
4.10 Environmental Monitoring and Audit.................................................................. 4-26
4.11 Conclusion....................................................................................................... 4-27
5.1 Introduction....................................................................................................... 5-1
5.2 Water Sensitive Receivers................................................................................. 5-1
5.3 Environmental Legislation, Policies,
Plans, Standards and Criteria......................... 5-1
5.4 Description of the Environment........................................................................... 5-4
5.5 Identification of Environmental Impact................................................................ 5-7
5.6 Assessment Methodology................................................................................... 5-8
5.7 Prediction and Evaluation of
Environmental Impacts............................................ 5-8
5.8 Mitigation of Adverse Environmental
Impacts...................................................... 5-9
5.9 Evaluation of Residual Impacts......................................................................... 5-12
5.10 Environmental Monitoring and Audit.................................................................. 5-12
5.11 Conclusion....................................................................................................... 5-13
6.1 Introduction....................................................................................................... 6-1
6.2 Environmental Legislation, Policies,
Plans, Standards and Criteria......................... 6-1
6.3 Assessment Methodology................................................................................... 6-3
6.4 Identification of Potential Sources of Impact........................................................ 6-3
6.5 Prediction and Evaluation of
Environmental Impacts............................................ 6-3
6.6 Mitigation Measures.......................................................................................... 6-8
6.7 Evaluation of Residual Impacts......................................................................... 6-11
6.8 Environmental Audit......................................................................................... 6-11
6.9 Conclusion....................................................................................................... 6-11
8 SEWERAGE
IMPACT AND SEWAGE TREATMENT IMPLICATIONS............. 8-1
10. LANDSCAPE
AND VISUAL IMPACT ASSESSMENT........................................ 10-1
10.1 Introduction..................................................................................................... 10-1
10.2 Environmental Legislation, Standards and
Guidelines.......................................... 10-1
10.3 Assessment Methodology................................................................................. 10-2
10.4 Scope and Content of the Study........................................................................ 10-7
10.5 Review of Planning and Development Control
Framework................................. 10-8
10.6 Comments on Landscape and Visual Issues received
during Consultations......... 10-11
10.7 Baseline Study............................................................................................... 10-13
10.8 Landscape Impact Assessment....................................................................... 10-34
10.9 Visual Impact Assessment.............................................................................. 10-44
10.10 Conclusion..................................................................................................... 10-53
12 ENVIRONMENTAL
MONITORING AND AUDIT.............................................. 12-1
12.1 Introduction..................................................................................................... 12-1
12.2 Air Quality Impact........................................................................................... 12-1
12.3 Noise Impact................................................................................................... 12-2
12.4 Water Quality Impact....................................................................................... 12-2
12.5 Waste Management......................................................................................... 12-3
12.6 Land Contamination......................................................................................... 12-3
12.7 Marine Ecology............................................................................................... 12-3
12.8 Landscape and Visual...................................................................................... 12-3
12.9 Cultural Heritage............................................................................................. 12-4
14.1 Introduction..................................................................................................... 14-1
14.2 Environmental Outcomes................................................................................ 14-15
14.3 Air Quality Impact......................................................................................... 14-23
14.4 Noise Impact................................................................................................. 14-23
14.5 Water Quality Impacts................................................................................... 14-25
14.6 Waste Management Implications..................................................................... 14-25
14.7 Land Contamination Impact............................................................................ 14-26
14.8 Marine Ecological Impact............................................................................... 14-26
14.9 Landscape and Visual Impact......................................................................... 14-26
14.10 Cultural Heritage Impact................................................................................ 14-27
14.11 Environmental Monitoring and Audit................................................................ 14-28
14.12 Overall Conclusion......................................................................................... 14-28