TABLE OF CONTENTS

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

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

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

Project Programme............................................................................................................. 1-3

Project Organisation............................................................................................................ 1-3

Structure of the Report......................................................................................................... 1-7

 

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

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

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

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

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

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

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

Impact Monitoring................................................................................................................ 2-5

Event and Action Plant........................................................................................................ 2-5

Mitigation Measures............................................................................................................ 2-8

 

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

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

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

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

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

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

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

Event and Action Plan (EAP) for Construction Noise...................................................... 3-2

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

 

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

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

Efluent Discharge Standard............................................................................................... 4-1

Chlorination/Dechlorination Dosage Record................................................................... 4-2

Close to Real Time On-line Monitoring on TRC Concentration in the Chlorinated
Effluent.................................................................................................................................. 4-2

Effluent Quality Monitoring.................................................................................................. 4-2

Marine Water Quality Monitoring (for TRC and CBPs)…………................................... 4-5

Statistical Analysis of Monitoring Data............................................................................. 4-7

Review of E.coli Concentrations in Marine Water and Effluent....................................... 4-7

Emergency Discharge of Undisinfected Effluent.............................................................. 4-8

Emergency Response.........................................................................................................4-11

Construction Phase Monitoring.......................................................................................... 4-13

Mitigation Measures............................................................................................................ 4-14

 

5.     HUMAN HEALTH RISK.................................................................................................... 5-1

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

Effluent COCs Monitoring for Verification of Risk Prediction ......................................... 5-1

Marine Water COCs Monitoring for Verification of Risk Prediction................................ 5-2

Human Health Risk Assessment........................................................................................ 5-1

 

6.     ECOLOGICAL RISK AND TOXICITY TO AQUATIC LIFE.......................................... 6-1

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

COCs Monitoring Programme………….............................................................................. 6-1

Whole Effluent Toxicity Test................................................................................................. 6-2

 

7.     SEDIMENT QUALITY AND BENTHIC SURVEY......................................................... 7-1

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

Sediment Quality Monitoring.............................................................................................. 7-1

Benthic Survey..................................................................................................................... 7-3

 

8.     WASTE MANAGEMENT IMPLICATIONS...................................................................... 8-1

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

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

 

9.     ENVIRONMENTAL AUDITING........................................................................................ 9-1

Site Inspections.................................................................................................................... 9-1

Compliance with Legal and Contractual Requirements.................................................. 9-1

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

 

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

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

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

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

Quarterly EM&A Report....................................................................................................... 10-4

Final EM&A Review Report................................................................................................ 10-5

Water Quality Monitoring Report........................................................................................ 10-7

Human Health and Ecological Risk Evaluation Report.................................................... 10-7

Sediment Quality Monitoring and Benthic Survey Report............................................... 10-7

Data Keeping....................................................................................................................... 10-7

Interim Notifications of Environmental Quality Limit Exceedances................................ 10-7

 

 

List of Tables

 

Table 2.1        Proposed Air Quality Monitoring Stations......................................................... 2-3

Table 2.2        Action and Limit Levels for Air Quality (Dust)................................................... 2-5

Table 2.3        Event and Action Plan for Air Quality (Dust)...................................................... 2-6

Table 3.1        Noise Monitoring Stations during Construction Phase.................................... 3-1

Table 3.2        Action and Limit Levels for Construction Noise............................................... 3-2

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

Table 4.1        Recommended Effluent Discharge Standards for ADF.................................. 4-1

Table 4.2        Recommended Sodium Hypochlorite and Sodium Bisulphite Dosages

                       for ADF……………………………………………………………………………4-2

Table 4.3        Recommended Discharge Limits for CBPs…………………………………..4-3

Table 4.4        Analytical Methods to be Applied……………………………………………….4-4

Table 4.5        Proposed Marine Water Quality Monitoring Stations..................................... 4-6

Table 4.6        Proposed Marine Water Quality Monitoring Stations for Emergency

                        Discharge............................................................................................................ 4-6

Table 4.7        Analytical Methods to be applied to Marine Water Quality Samples............. 4-11

Table 4.8        Emergency Response Plan for System Failure.............................................. 4-12

Table 6.1        Analytical Method and Detection Limit for Ammonia, Sulphide, Suspended

                        Solids and TRC.................................................................................................... 6-3

Table 6.2        CBPs to be Analyzed.......................................................................................... 6-4

Table 6.3        Target Toxicity Levels of SCISTW Effluent........................................................ 6-5

Table 7.1        Proposed Sediment Quality Monitoring Stations............................................. 7-1

Table 7.2        Parameters to be Analyzed in Collected Sediment Samples......................... 7-2

 

 

List of Figures

 

Figure 1.1      General Layout of Proposed Chlorination / Dechlorination Disinfection System

Figure 1.2      Tentative Construction Programme

Figure 1.3      Project Organization – EM&A Programme for Construction Phase

Figure 1.4      Project Organization – EM&A Programme for Operation Phase

Figure 2.1      Location of Proposed Air Quality Monitoring Station for Construction Phase

Figure 3.1      Location of Proposed Noise Monitoring Station

Figure 4.1      Proposed Water Quality Monitoring Stations

Figure 4.2      Proposed Water Quality Monitoring Stations for Emergency Discharge Event

Figure 4.3      Proposed Effluent Quality Monitoring Location

Figure 7.1      Proposed Sediment Quality Monitoring Stations

Figure 9.1      Environmental Complaint Flow Diagram

 

 

Appendices

 

Appendix A    Implementation Schedule of Proposed Mitigation Measures

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

Appendix C    Sample Template for the Interim Notification

Appendix D    Additional Water Quality Modelling for Short Period Discharge of Undisinfected CEPT Effluent