EXECUTIVE SUMMARY

Introduction

1. This is the 1^st 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 April 2008.

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

Further establishment of project organization and staffing.
Survey setting out at both portals.
Boulder stabilization, additional site investigation works and soil nailing works at Eastern Portal.
Erection of Contractor’s & SOR’s Site Offices and other temporary facilities and additional site investigation works at Western Portal.
Renovation works for SOR Principal Office at Mount Butler Area.
Approved in Principle (AIP) & Detailed Design Approval (DDA) submissions for temporary works at both portals.
AIP submission for permanent works for Main Tunnel Precast Segmental Lining.
Commencement of environmental impact monitoring.
TBM design and fabrication overseas.

Environmental Monitoring Works

3. Environmental monitoring for the Project was performed in accordance with the approved 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

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

8. No Environmental Monitoring was conducted at Western Portal in the reporting month.

Environmental Licenses and Permits

9. 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.

10. Registration of Chemical Waste Producer (License: 5213-148-D2393-02 for Eastern Portal and No. 5213-172-D2393-01 for Western Portal) and Construction Noise Permit (License No.: GW-RS0114-08 for Eastern Portal and GW-RS0101-08 for Western Portal).

Key Information in the Reporting Month

11. 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	Baseline Environmental Monitoring Report (for Western Portal)	Submitted to EPD on 16 April 2008 (EP condition 3.2)	Received comments from EPD on 23 April 2008 and revised report has been submitted on 25 April 2008 for further comment	---
Notifications of any summons & prosecutions received	0	---	N/A	N/A	---
Future Key Issues:
Major site activities for the coming month include: Both Eastern and Western Portal Utilities diversion; Soil nail works; Boulder stabilization; and Temporary support Only at Western Portal Marine works; Site investigation; Erection of Site office; Excavation for slope cutting; and Shallow excavation.