SA1 to Agreement No. CE54/2001 (CE)

WAN CHAI DEVELOPMENT PHASE II

PLANNING AND ENGINEERING REVIEW

ENVIRONMENTAL IMPACT ASSESSMENT

FOR

WAN CHAI DEVELOPMENT PHASE II AND CENTRAL-WAN CHAI BYPASS

ENVIRONMENTAL MONITORING AND AUDIT MANUAL

CONTENTS

Page

1 INTRODUCTION..................................................................................................... 1-1

1.1 Purpose of the Manual....................................................................................... 1-1

1.2 Project Description............................................................................................ 1-1

1.3 Environmental Monitoring and Audit Requirements.............................................. 1-6

1.4 Project Organisation.......................................................................................... 1-9

2 AIR QUALITY.......................................................................................................... 2-1

2.1 Introduction....................................................................................................... 2-1

2.2 Air Quality Parameters...................................................................................... 2-1

2.3 Monitoring Equipment........................................................................................ 2-2

2.4 Laboratory Measurement / Analysis................................................................... 2-3

2.5 Monitoring Locations......................................................................................... 2-4

2.6 Baseline Monitoring........................................................................................... 2-4

2.7 Impact Monitoring of Construction Air Quality Impact......................................... 2-5

2.8 Impact Monitoring of Operation Air Quality Impact............................................. 2-5

2.9 Environmental Quality Performance Limits.......................................................... 2-7

2.10 Event and Action Plan....................................................................................... 2-7

2.11 Mitigation Measures......................................................................................... 2-10

3 NOISE........................................................................................................................ 3-1

3.1 Introduction....................................................................................................... 3-1

3.2 Noise Parameters.............................................................................................. 3-1

3.3 Monitoring Equipment........................................................................................ 3-1

3.4 Monitoring Locations......................................................................................... 3-2

3.5 Baseline Monitoring........................................................................................... 3-2

3.6 Impact Monitoring ............................................................................................ 3-2

3.7 Event and Action Plan ...................................................................................... 3-3

3.8 Noise Mitigation Measures................................................................................. 3-4

4 WATER QUALITY................................................................................................... 4-1

4.1 Water Quality Parameters.................................................................................. 4-1

4.2 Monitoring Equipment........................................................................................ 4-1

4.3 Laboratory Measurement / Analysis................................................................... 4-2

4.4 Monitoring Locations......................................................................................... 4-3

4.5 Baseline Monitoring........................................................................................... 4-3

4.6 Impact Monitoring............................................................................................. 4-4

4.7 Post-construction Monitoring.............................................................................. 4-5

4.8 Field Log........................................................................................................... 4-5

4.9 Construction Site Audits..................................................................................... 4-5

4.10 Event and Action Plan for Construction Water Quality......................................... 4-6

4.11 Mitigation of Adverse Environmental Impacts...................................................... 4-7

5 WASTE MANAGEMENT......................................................................................... 5-1

5.1 Introduction....................................................................................................... 5-1

5.2 Waste Control and Mitigation Measures.............................................................. 5-1

6 LAND CONTAMINATION...................................................................................... 6-1

6.1 Introduction....................................................................................................... 6-1

6.2 Remedial Action................................................................................................ 6-1

6.3 Mitigation Measures during Construction Phase................................................... 6-5

7 MARINE ECOLOGY................................................................................................ 7-1

7.1 Introduction....................................................................................................... 7-1

7.2 Mitigation measures for corals............................................................................ 7-1

7.3 Monitoring requirement...................................................................................... 7-3

8 LANDSCAPE AND VISUAL..................................................................................... 8-1

8.1 Introduction....................................................................................................... 8-1

8.2 Monitoring Details............................................................................................. 8-1

8.3 Baseline Monitoring........................................................................................... 8-2

8.4 Event/Action Plan for Landscape and Visual Works............................................ 8-2

8.5 Mitigation Measures.......................................................................................... 8-4

9 SITE ENVIRONMENTAL AUDIT........................................................................... 9-1

9.1 Site Inspection................................................................................................... 9-1

9.2 Compliance with Legal and Contractual Requirements......................................... 9-2

9.3 Environmental Complaints.................................................................................. 9-2

10 REPORTING........................................................................................................... 10-1

10.1 General........................................................................................................... 10-1

10.2 Baseline Monitoring Report.............................................................................. 10-1

10.3 Monthly EM&A Reports.................................................................................. 10-2

10.4 Quarterly EM&A Summary Reports................................................................. 10-7

10.5 Final EM&A Review Reports........................................................................... 10-8

10.6 Reporting for Post-construction / Post-Translocation Monitoring of Coral........... 10-10

10.7 Operation Phase EM&A Report..................................................................... 10-10

10.8 Data Keeping................................................................................................ 10-10

10.9 Interim Notifications of Environmental Quality Limit Exceedances.................... 10-10

LIST OF FIGURES

Figure 1.1 Wan Chai Development Phase II and Central-Wan Chai Bypass – Site Plan

Figure 1.2 Designated Projects

Figure 1.2a Designated Project 1: Central-Wanchai Bypass (CWB) including its Road Tunnel and Slip Roads

Figure 1.2b Designated Project 2: Road P2 and Other Roads which are classified as Primary/District Distributor Roads

Figure 1.2c Designated Project 3: Reclamation works including associated Dredging Works

Figure 1.2d Designated Project 4: Temporary Typhoon Shelter

Figure 1.2e Designated Project 5: Wan Chai East Sewage Outfall

Figure 1.2f Designated Project 6: Dredging for the Cross-Harbour Water Mains from Wan Chai to Tsim Sha Tsui

Figure 1.3 Project Organisation

Figure 2.1 Locations of Representative Air Sensitive Receivers

Figure 2.2 Proposed Monitoring Locations During Construction Phase

Figure 2.3 Proposed Odour Monitoring Location During Operation Phase

Figure 3.1 Locations of Representative Noise Sensitive Receivers

Figure 3.2 Locations of Construction Noise Monitoring Stations

Figure 3.3 Locations of Traffic Noise Monitoring Stations

Figure 3.4 Location of Temporary Noise Barriers during Construction Phase (NPR2W, NPR1 & NPR2E)

Figure 3.5 Location of Temporary Noise Barriers During Demolition of Existing Piers and Crossheads in Marine Section of IEC

Figure 3.6 Locations of Direct Noise Mitigation Measures

Figure 4.1a Locations of Water Quality Monitoring Stations (Sheet 1 of 2)

Figure 4.1b Locations of Water Quality Monitoring Stations (Sheet 2 of 2)

Figure 6.1 Estimated Extent of Soil Contamination

Figure 6.2 Remediation Method of Contaminated Soil

Figure 7.1 Spot-check Dive Sites and REA Transects (Sheet 1 of 2)

Figure 7.2 Spot-check Dive Sites and REA Transects (Sheet 2 of 2)

Figure 7.3 Proposed Coral Recipient Site at Junk Bay

Figure 8.1a Baseline Landscape Resources During Construction

Figure 8.1b Baseline Landscape Resources During Operation

Figure 8.2a Baseline Landscape Character Areas During Construction

Figure 8.2b Baseline Landscape Character Areas During Operation

Figure 8.3a Key VSRs and Primary Zone of Visual Influence During Construction

Figure 8.3b Key VSRs and Primary Zone of Visual Influence During Operation

Figure 8.3c Key VSRs and Secondary Zone of Visual Influence

LIST OF APPENDICES

Appendix A Implementation Schedule

Appendix B Sample Data Sheets for Air Quality, Noise and Water Quality Monitoring

Appendix C Sample Template for the Interim Notifications

Appendix D Specific EM&A Requirements for Schedule 2 DP1: Central-Wan Chai Bypass (CWB) including its road tunnel and slip roads

Appendix E Specific EM&A Requirements for Schedule 2 DP2: Road P2 and other roads which are classified as primary/district distributor roads

Appendix F Specific EM&A Requirements for Schedule 2 DP3: Reclamation works including associated dredging works

Appendix G Specific EM&A Requirements for Schedule 2 DP4: Temporary typhoon shelter

Appendix H Specific EM&A Requirements for Schedule 2 DP5: Wan Chai East Sewage Outfall

Appendix I Specific EM&A Requirements for Schedule 2 DP6: Dredging for the Cross-harbour Water Mains from Wan Chai to Tsim Sha Tsui

Appendix J Essential Steps for the Excavation and Landfill Disposal