EXECUTIVE SUMMARY

Introduction

1. This is the 11^th Environmental Monitoring and Audit (EM&A) Report prepared by Cinotech Consultants Limited for the ¡§Drainage Improvement in Northern Hong Kong Island ¡V Hong Kong West Drainage Tunnel¡¨ (the Project). This report documents the findings of EM&A Works conducted in February 2009.

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

• Further establishment of project organization and staffing;
• Initial tunnel excavation, tunnel invert concrete, construction of Intake Cofferdam & River Channel and installation of temporary facilities at Eastern Portal (EP);
• Arch tunnel excavation, tunnel invert concrete, TBM assembly, deep excavation works and installation of temporary facilities at Western Portal (WP);
• Site preparation works at Intake W0;
• Utilities trial pits and additional site investigation works at Intakes SM1 & PFLR1;
• Approved in Principle (AIP) & Detailed Design Approval (DDA) submissions for temporary works at both portals;
• AIP & DDA submissions for temporary and permanent works for 32 nos. Intakes;
• AIP & DDA submissions for Adit/Main Tunnel Intersection, Adits, Stilling Chambers and Turning Bays;
• Environmental impact monitoring;
• Casting of tunnel segments;
• TBM fabrication, delivery, inland transportation and assembly planning; and
• Fabrication of gantries for WP cranes and conveyors for EP & WP.

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
	Action Level	Limit Level	Action Level	Limit Level
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

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 1-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.

Environmental Licenses and Permits

12. 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) was issued on 28 January 2008 to Dragages-Nishimatsu Joint Venture as the Permit Holder.

13. 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 and EP680/W10/XY0183 for Intake W0) and Construction Noise Permit (License No.: GW-RS0035-09 for Eastern Portal and GW-RS0076-09 for Western Portal).

Key Information in the Reporting Month

14. 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
	Number	Nature
Complaint received	1	Construction Noise at Eastern Portal	Complaint of Construction Noise at Early Morning at Eastern Portal Site (Letter with investigation findings was submitted)	Verified by IEC	---
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 (January 2009)	Submitted to EPD on 14 February 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: Tunnel invert concrete, temporary drainage diversion and temporary cofferdam for River Channel and site installation for TBM operation at Eastern Portal; Tunnel invert concrete, TBM assembly, deep excavation and site installation for TBM operation at Western Portal; Preliminary and design works, preparation works at Intake W0; Utilities trial pits and additional site investigation works at available intakes; Casting of tunnel segments in China; Assembly & testing in factory and delivery and assembly on site of East TBM; and Gantries and Conveyor erection for West Portal.