Contents

1 Introduction 1

1.1 Purpose of the Manual 1

1.2 Project Description 1

1.3 Objectives of the EM&A Programme 3

1.4 The Scope of the EM&A Programme 4

1.5 Organisation and Structure of the EM&A 6

1.6 Structure of the EM&A Manual 9

2 EM&A GENERAL REQUIREMENT 10

2.1 Introduction 10

2.2 EM&A 10

3 Water Quality 13

3.1 Introduction 13

3.2 Sampling Methodology 13

3.3 Water Quality Compliance 23

3.4 Water Quality Mitigation Measures 27

4 Marine Ecology 29

4.1 Introduction 29

4.2 Sampling Methodology 29

4.3 Marine Ecology Compliance – Action Event Plan 36

5 LandFill Gas 40

5.1 Introduction 40

5.2 Obligations of the Contractor 42

5.3 Monitoring 43

5.4 Actions in the Event of Gas Being Detected 43

6 Site Environmental Audit 45

6.1 Site Inspection 45

6.2 Compliance with Legal and Contractual Requirements 46

7 Reporting 47

7.1 General 47

7.2 Baseline Monitoring Report 47

7.3 Monthly EM&A Reports 48

7.4 Quarterly EM&A Summary Reports 53

7.5 Final EM&A Summary Report 54

7.6 Data Keeping 56

7.7 Interim Notification of Environmental Quality Limit Exceedances 56

7.8 Internet EM&A 56

ANNEXES

Annex A Implementation Schedule

Annex B Complaints Proforma

Annex C Water Quality Field Log

Annex D Coral Survey Proforma

FIGURES

Figure 1.2a Submarine Pipelines Alignment

Figure 1.2b Tai Po Landfall Point, Onshore Pipe and Receiving Station

Figure 1.2c Tentative Construction Programme for the Project

Figure 1.5a Organisation Chart

Figure 2.2a Complaints Handling Procedure

Figure 3.2a Locations of Monitoring Stations for the Pilot Test of the Jetting Works (example for Tai Po)

Figure 3.2b Water Quality Monitoring Station (A, B, C and D)

Figure 3.2c Water Quality Impact Monitoring Locations in Zone B (Jetting Works)

Figure 3.4a Indicative Details of Silt Curtain at Tai Po Landing Point (For Jetting Works within 2km of Seawall and Pipeline Landing Works)

Figure 4.2a Ecological Monitoring Locations in Zone B (Jetting Works)

Figure 4.2b Ecological Monitoring Locations at Tung Ping Chau During Dredging at the Mainland Approach

Figure 5.1a Project Location with respect to Shuen Wan Landfall

TABLES

Table 3.1 Baseline and Post-project Monitoring Stations

Table 3.2 Water Quality Monitoring Locations within Zone B

Table 3.3 Sequence of Water Quality Monitoring in the Tolo Channel Section (Zone B)

Table 3.4 Location of Water Quality Monitoring Stations in Hong Kong for Dredging Activities in Mainland Waters

Table 3.5 Action and Limit Level for Water Quality

Table 3.6 Water Quality Event and Action Plan

Table 4.1 Marine Ecology Monitoring Stations

Table 4.2 Sequence of Monitoring Along the Tolo Channel Section

Table 5.1 Actions in the Event of Gas Being Detected in Excavations