Drainage Improvement in Sai Kung – Design
and Construction
Final Environmental Monitoring &
Audit (EM&A) Manual
TABLE OF CONTENTS
1.1........ Purpose of the Manual............................................................................................... 1-1
1.2........ Project Description.................................................................................................... 1-2
1.3........ Project Location and Scope....................................................................................... 1-2
1.4........ Project Implementation............................................................................................... 1-3
1.5........ Environmental Monitoring and Audit Requirement....................................................... 1-3
1.6........ Project Organisation................................................................................................... 1-3
2.1........ Introduction............................................................................................................... 2-1
2.2........ Air Quality Parameters............................................................................................... 2-1
2.3........ Monitoring Equipment................................................................................................ 2-1
2.4........ Laboratory Measurement / Analysis............................................................................ 2-2
2.5........ Monitoring Locations................................................................................................. 2-3
2.6........ Baseline Monitoring.................................................................................................... 2-3
2.7........ Ad hoc Impact Monitoring......................................................................................... 2-4
2.8........ Environmental Quality Performance Limits.................................................................. 2-4
2.9........ Event and Action Plan for Construction Air Quality..................................................... 2-5
2.10...... Construction Dust Mitigation Measures....................................................................... 2-7
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 for Construction Noise................................................................ 3-2
3.6........ Impact Monitoring for Construction Noise.................................................................. 3-2
3.7........ Event and Action Plan for Construction Noise............................................................. 3-3
3.8........ Noise Mitigation Measures......................................................................................... 3-3
4.1........ Introduction............................................................................................................... 4-1
4.2........ Water Quality Parameters.......................................................................................... 4-1
4.3........ Monitoring Equipment................................................................................................ 4-2
4.4........ Measurement and Laboratory Analysis....................................................................... 4-3
4.5........ Monitoring Locations................................................................................................. 4-4
4.6........ Baseline Monitoring.................................................................................................... 4-4
4.7........ Impact Monitoring...................................................................................................... 4-4
4.8........ Water Quality Mitigation Measures........................................................................... 4-10
5.1........ Introduction............................................................................................................... 5-1
5.2........ Waste Control and Mitigation Measures..................................................................... 5-1
6.1........ Introduction............................................................................................................... 6-1
6.2........ Potential Areas Recommended for Further Investigation.............................................. 6-1
6.3........ Preparation of Contamination Assessment Plan........................................................... 6-1
6.4........ Mitigation Measures during Construction Stage........................................................... 6-2
7.1........ Introduction............................................................................................................... 7-1
7.2........ Ecological Mitigation Measures and Monitoring.......................................................... 7-1
8.1........ Introduction............................................................................................................... 8-1
8.2........ Environmental Monitoring and Audit Requirements...................................................... 8-1
8.3........ Baseline Monitoring.................................................................................................... 8-1
8.4........ Construction and Operation Phase Audit.................................................................... 8-2
8.5........ Event and Action Plan................................................................................................ 8-3
9.1........ Introduction............................................................................................................... 9-1
9.2........ Cultural Heritage Mitigation Measures........................................................................ 9-1
10.1...... Site Inspection......................................................................................................... 10-1
10.2...... Compliance with Legal Contractual Requirement....................................................... 10-2
10.3...... Environmental Complaints........................................................................................ 10-2
11.1...... General.................................................................................................................... 11-1
11.2...... Baseline Monitoring Report...................................................................................... 11-1
11.3...... Monthly EM&A Reports.......................................................................................... 11-2
11.4...... Quarterly EM&A Summary Report.......................................................................... 11-6
11.5...... Final EM&A Review Report.................................................................................... 11-7
11.6...... Data Keeping........................................................................................................... 11-8
11.7...... Electronic Reporting of EM&A Information.............................................................. 11-9
11.8...... Interim Notifications of Environmental Quality Limit Exceedances.............................. 11-9
LIST OF FIGURES
Figure 1.2 General Layout of Sai Kung River & Sha Ha Diversion Culvert
Figure 1.3 General Layout of Pak Kong River
Figure 1.4 General Layout of Ho Chung Channel
Figure 1.5 General Cross Sections
Figure 1.6 Typical Cut Sections
Figure 1.7 Retaining Walls for Gabion Channel
Figure 1.8 Project Organisation Chart
Figure 2.1 Proposed Air Monitoring Station (Sai Kung River and Sha Ha Diversion Culvert)
Figure 2.2 Proposed Air Monitoring Station (Pak Kong River)
Figure 2.3 Proposed Air Monitoring Station (Ho Chung Channel)
Figure 3.1 Proposed Noise Monitoring Stations (Sai Kung River and Sha Ha Diversion Culvert)
Figure 3.2 Proposed Noise Monitoring Stations (Pak Kong River)
Figure 3.3 Proposed Noise Monitoring Stations (Ho Chung Channel)
Figure 4.1 Proposed Water Quality Monitoring Stations (Sai Kung River and Sha Ha Diversion Culvert)
Figure 4.2 Proposed Water Quality Monitoring Stations (Pak Kong River)
Figure 4.3 Proposed Water Quality Monitoring Stations (Ho Chung Channel)
Figure 6.1 Location of Concerned Potential Zones for Site Investigation near Pak Kong River
Figure 7.1 Proposed Receptor Site for Ehretia acuminata
APPENDICES
Appendix
A Implementation Schedule
Appendix B Sample
Data Sheet for Air Quality, Noise and Water Quality Monitoring