Agreement No. CE 75/2002 (WS)

EXTENSION OF SIU HO WAN WATER TREATMENT WORKS - INVESTIGATION

ENVIRONMENTAL IMPACT ASSESSMENT

ENVIRONMENTAL MONITORING & AUDIT MANUAL

CONTENT

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

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

Project Description............................................................................................................... 1-2

Environmental Monitoring and Audit Requirements................................................................. 1-3

Project Organisation.............................................................................................................. 1-5

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

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

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

Monitoring Equipment........................................................................................................... 2-1

Monitoring Locations............................................................................................................ 2-2

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

Impact Monitoring of Construction Air Quality Impact........................................................... 2-4

Compliance Assessment........................................................................................................ 2-4

Event and Action Plan (EAP)................................................................................................ 2-5

Mitigation Measures.............................................................................................................. 2-7

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

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

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

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

Monitoring Locations............................................................................................................ 3-1

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

Impact Monitoring of Construction Noise.............................................................................. 3-2

Event and Action Plan for Construction Noise........................................................................ 3-3

Mitigation Measures.............................................................................................................. 3-5

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

Introduction.......................................................................................................................... 4-1

Water Quality Mitigation Measures........................................................................................ 4-1

5...... ECOLOGY.......................................................................................................................... 5-1

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

Mitigation Measures............................................................................................................... 5-1

Environmental Monitoring and Audit...................................................................................... 5-2

6. LANDSCAPE AND VISUAL............................................................................................ 6-1

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

Mitigation Measures for Construction and Operation Phases.................................................. 6-1

Construction and Operation Phases Audit.............................................................................. 6-2

7...... WASTE MANAGEMENT................................................................................................ 7-1

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

Waste Control and Mitigation Measures................................................................................ 7-1

8. CULTURAL HERITAGE.................................................................................................. 8-1

Introudction.......................................................................................................................... 8-1

Mitigation Measures.............................................................................................................. 8-1

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

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

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

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

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

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

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

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

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

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

Data Keeping...................................................................................................................... 10-9

Interim Notifications of Environmental Quality Limit Exceedances......................................... 10-9

List of Tables

Table 2.1 Air Monitoring Stations during Construction Phase.................................................. 2-3

Table 2.2 Impact Monitoring Programme (TSP)..................................................................... 2-4

Table 2.3 Proposed Action and Limit Levels for Impact Monitoring........................................ 2-5

Table 2.4 Event / Action Plan for Ambient Air Quality Monitoring (Construction).................... 2-6

Table 3.1 Noise Monitoring Stations during Construction Phase.............................................. 3-2

Table 3.2 Action and Limit Levels for Construction Noise...................................................... 3-3

Table 3.3 Event / Action Plan for Construction Noise............................................................. 3-4

List of Figures

Figure 1.1 Location Plan – Siu Ho Wan

Figure 1.2 Location Plan – Pui O

Figure 1.3 Preliminary Construction Programme

Figure 1.4 Project Organisation

Figure 2.1 Locations of Air Quality Monitoring Stations

Figure 3.1 Locations of Noise Monitoring Stations

List of Appendices

Appendix A Implementation Schedule

Appendix B Sample Data Sheets for Air Quality and Noise Monitoring

Appendix C Sample Template for the Interim Notification

Abbreviations

A/L Action and Limit

AQOs Air Quality Objectives

ASRs air sensitive receivers

C&D construction and demolition

DEP Director of Environmental Protection

EAP Event and Action Plan

EIA environmental impact assessment

EIAO Environmental Impact Assessment Ordinance

EIAO-TM Technical Memorandum on Environmental Impact Assessment Process

EM&A environmental monitoring and audit

EPD Environmental Protection Department

ER Engineer’s Representative

ET Environmental Team

HOKLAS Hong Kong Laboratory Accreditation Scheme

HVS high volume sampler

IC(E) Independent Checker (Environment)

NCO Noise Control Ordinance

NSRs noise sensitive receivers

QA/QC quality assurance / quality control

TSP total suspended particulates

USEPA United States Environmental Protection Agency

WBTC Works Bureau Technical Circular