EXECUTIVE SUMMARY

Introduction

1. This is the 9^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 December 2008.

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

• Further establishment of project organization and staffing;
• Initial tunnel excavation, construction of intake cofferdam & River Channel and installation of temporary facilities at Eastern Portal;
• Arch tunnel excavation, shallow & deep excavation works, base slab construction and installation of temporary facilities at Western Portal;
• Utilities trial pits and additional site investigation works at 6 nos. Intakes;
• 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; and
• TBM fabrication; delivery, inland transportation and assembly planning.

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 1-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-RS0929-08 for Eastern Portal and GW-RS0894-08 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 works conducted on Sunday at Western Portal	Letter with complaint investigation findings have 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 (November 08)	Submitted to EPD on 15 December 2008 (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 excavation by blasting method, intake cofferdam and temporary cofferdam for River Channel at Eastern Portal; Tunnel excavation by mechanical method, shallow and deep excavation and base slab construction at Western Portal; Preliminary works, preparation works and temporary cofferdam at Intake W0; Utilities trial pits and additional site investigation works at available intakes; Casting of tunnel segments in China; Test and disassembly in factory of West TBM; and Assembly in factory of East TBM.