EXECUTIVE SUMMARY

Introduction

1. This is the 17^th Environmental Monitoring and Audit (EM&A) Report prepared by Cinotech Consultants Limited for the “Drainage Improvement in Northern Hong Kong Island – Hong Kong West Drainage Tunnel” (the Project). This report documents the findings of EM&A Works conducted in August 2009.

2. The site activities undertaken in the reporting month included:

TBM excavation, installation of temporary facilities and permanent slope works at Eastern Portal;
TBM excavation and installation of temporary facilities at Western Portal;
ELS works and temporary support for existing utilities at Intake W0;
Site establishment works at Intakes SM1, THR2, HKU1, MB16 and PFLR1;
Utilities trial pits and additional site investigation works at 4 locations;
Detailed Design Approval (DDA) submissions for Adit/Main Tunnel Intersection, Adits, Stilling Chambers and Turning Bays;
Approved in Principle (AIP) & Detailed Design Approval (DDA) submissions for temporary and permanent works for Intake Structures;
AIP & DDA submissions for temporary and permanent works for Dropshafts;
Environmental impact monitoring; and
Casting of tunnel segments.

Environmental Monitoring Works

3. Environmental monitoring for the Project was performed in accordance with the updated EM&A Manual and the monitoring results were checked and reviewed. Site audits were conducted once per week. The implementation of the environmental mitigation measures, Event Action Plans and environmental complaint handling procedures were also checked.

4. Summary of the non-compliance of the reporting month is tabulated in Table I.

Table I Summary Table for Non-compliance Recorded in the Reporting Month

Parameter	No. of Exceedance		No. of Exceedance Due to the Project		Action Taken
Parameter	Action Level	Limit Level	Action Level	Limit Level	Action Taken
Eastern Portal
1-hr TSP	0	0	0	0	N/A
24-hr TSP	0	0	0	0	N/A
Noise	0	0	0	0	N/A
Western Portal
1-hr TSP	0	0	0	0	N/A
24-hr TSP	0	0	0	0	N/A
Noise	0	0	0	0	N/A
Water	0	0	0	0	N/A
Intake W0
Noise	0	0	0	0	N/A
No. of Exceedance					Action Taken
Near Eastern Portal
Ground Borne Noise	0				N/A
Near Western Portal
Ground Borne Noise	0				N/A

Eastern Portal

1-hour TSP Monitoring

5. All 1-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

24-hour TSP Monitoring

6. All 24-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

Construction Noise

7. All construction noise monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

Western Portal

1-hour TSP Monitoring

8. All 1-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

24-hour TSP Monitoring

9. All 24-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

Construction Noise

10. All construction noise monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

Water Quality

11. All water quality monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

Near Eastern Portal

Construction Ground Borne Noise (GNC1)

12. All construction ground borne noise monitoring was conducted as scheduled in the reporting month. No exceedance was recorded.

Construction Ground Borne Noise (GNC2)

13. All construction ground borne noise monitoring was conducted as scheduled in the reporting month. No exceedance was recorded.

Near Western Portal

Construction Ground Borne Noise (GNC4)

14. All construction ground borne noise monitoring was conducted as scheduled in the reporting month. No exceedance was recorded.

15. Construction Ground Borne Noise Monitoring at GNC3 was temporary suspended since 7 May 2009 as the ISS EastPoint Property Management Ltd. received an instruction from the Incorporated Owners of Aegean Terrace that we are not permitted to conduct any noise monitoring inside Aegean Terrace for the Project.

Intake W0

Construction Noise

16. All construction noise monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

Environmental Licenses and Permits

17. Licenses/Permits granted to the Project include the Environmental Permit (EP) for the Project, An Environmental Permit No. EP-272/2007 was issued on 26 April 2007 and Environmental Permit No. EP-272/2007/A was issue on 26 October 2007. Later, the further Environmental Permit (FEP-01/272/2007/A) and (FEP-01/272/2007/B) was issued on 28 January 2008 and 25 June 2009 to Dragages-Nishimatsu Joint Venture.

18. Registration of Chemical Waste Producer (License: 5213-148-D2393-02 for Eastern Portal and No. 5213-172-D2393-01 for Western Portal), Water Discharge License (License No.: EP860/W10/XY0175 for Area of Mount Butler Office, EP860/W10/XY0177 for Eastern Portal, EP820/W9/XT086 for Western Portal, EP680/W10/XY0183 for Intake W0, WT00003372-2009 for Intake SM1, WT00003737-2009 for Intake MB16, WT00003738-2009 for THR2, WT00004270-2009 for PFLR1) and Construction Noise Permit (License No.: GW-RS0543-09 for Eastern Portal, GW-RS0506-09 for Western Portal, GW-RS0408-09 for Intake W0, GW-RS0507-05 for Intake MA17, GW-RS0571-09 for Intake MB16, GW-RS-0640-09 for Intake SM1).

Key Information in the Reporting Month

19. Summary of key information in the reporting month is tabulated in Table II.

Table II Summary Table for Key Information in the Reporting Month

Event	Event Details		Action Taken	Status	Remark
Event	Number	Nature	Action Taken	Status	Remark
Complaint received	0	---	N/A	N/A	---
Changes to the assumptions and key construction / operation activities recorded	0	---	N/A	N/A	---
Status of submissions under EP	1	Monthly EM&A Report (July 2009)	Submitted to EPD on 26 August 2009 (EP condition 3.3)	Verified by IEC	---
Notifications of any summons & prosecutions received	0	---	N/A	N/A	---
Future Key Issues:
Major site activities for the coming month include: TBM excavation, site installation for TBM operation and permanent slope excavation for River Channel at Eastern Portal; TBM excavation and site installation for TBM operation at Western Portal; Excavation of intake structure at Intake W0; Bend block supporting works and temporary cofferdam at Intake SM1; Site preparation for Intakes THR2, HKU1, MB16 and PFLR1; Pipelaying works along Mount Butler Road for Intake MB16; Additional site investigation works at Intake BR6; and Casting of tunnel segments in China.