EXECUTIVE SUMMARY

Introduction

1. This is the 2^nd monthly Environmental Monitoring and Audit (EM&A) Report prepared by Cinotech Consultants Limited for the project “Contract No. HY/2011/09 – Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road – Section between HKSAR Boundary and Scenic Hill” (hereinafter called the “Contract”). This report documents the findings of EM&A Works conducted in March 2013.

Environmental Monitoring and Audit Progress

2. A summary of the monitoring activities in this reporting month is listed in Table I below:

Table I Summary Table for Monitoring Activities in the Reporting Month

Parameter(s)	Date(s)
1-hr TSP Monitoring	6^th, 12^th, 18^th, 22^nd and 27^th March 2013
24-hr TSP Monitoring	6^th, 12^th, 18^th, 22^nd and 27^th March 2013
Noise Monitoring	1^st, 7^th, 13^th, 19^th, 23^rd and 28^th March 2013
Water Quality Monitoring	1^st, 4^th, 6^th, 8^th, 11^th, 13^th, 15^th, 18^th, 20^th, 23^rd, 25^th, 27^th and 29^th March 2013
Dolphin Monitoring (Line-transect Vessel Surveys)	8^th and 22^th March 2013
*Construction-phase underwater Noise Monitoring	With Bored Piling Activities: 18^th, 19^th, 20^th, 21^st, 22^nd, 23^rd, 25^th, 27^th, 28^th March 2013 Without Bored Piling Activities: 13^th, 14^th, 15^th and 26^th March 2013
*Dolphin Behaviour Monitoring	With Bored Piling Activities: 18^th, 19^th, 20^th, 21^st, 22^nd, 23^rd, 25^th, 27^th, 28^th and 29^th March 2013 Without Bored Piling Activities: 6^th, 7^th, 8^th, 9^th, 11^th to 17^th, 24^th and 30^th March 2013
*Land-based Dolphin Behaviour and Movement Monitoring	With Bored Piling Activities: 18^th, 19^th, 20^th, 21^st, 22^nd, 23^rd, 25^th, 27^th, 28^th March 2013 Without Bored Piling Activities: 6^th, 7^th, 9^th to 17^th, 24^th and 30^th March 2013
Environmental Site Inspection	5^th, 12^th, 19^th and 26^th March 2013
Archaeological Site Inspection	25^th March 2013

Remark: *Dolphin-related monitoring was conducted in the reporting month. According to the EM&A Manual for HKLR, the dolphin-related monitoring was conducted during the bored piling activities (e.g. installation of permanent casting for bored piling activities) which presented in Appendix A. The dolphin-related monitoring conducted without bored piling activities are for reference only.

Breaches of Action and Limit Levels

3. Summary of the environmental exceedances of the reporting month is tabulated in Table II.

Table II Summary Table for Events Recorded in the Reporting Month

Environmental Monitoring	Parameter	No. of Exceedance		No. of Exceedance related to the Construction Activities of this Contract
Environmental Monitoring	Parameter	Action Level	Limit Level	Action Level	Limit Level
Air Quality	1-hr TSP	0	0	0	0
Air Quality	24-hr TSP	0	0	0	0
Noise	L_eq_(30min)	0	0	0	0
Water Quality	Dissolved Oxygen (DO) (Surface & Middle)	0	0	0	0
	Dissolved Oxygen (DO) (Bottom)	0	0	0	0
	Turbidity	23	75	0	0
	Suspended Solids (SS)	16	62	0	0

1-hour TSP Monitoring

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

24-hour TSP Monitoring

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

Construction Noise

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

Water Quality

7. All water quality monitoring was conducted as scheduled in the reporting month. There are twenty-three Action Level exceedances and seventy-five Limit Level exceedances for turbidity were recorded. Sixteen Action exceedances and sixty-two Limit Level exceedances for suspended solids were recorded.

8. According to the investigation, no major marine construction activities were conducted during the monitoring period between 1 and 19 March 2013. No pollution discharge from the marine works after 19 March 2013 (casing installation works) were observed. Therefore, all exceedances are considered not due to the Contract.

Complaint Log

9. No environmental complaint was received in the reporting month.

Notification of Summons and Successful Prosecutions

10. No notification of summons and successful prosecution was received in the reporting month.

Reporting Changes

11. This report has been developed in compliance with the reporting requirements for the subsequent monthly EM&A Report as required by the EM&A Manual for Hong Kong Link Road (EM&A Manual). Action and Limit Levels for water quality monitoring works was changed starting from 25 March 2013.

Future Key Issues

12. Major site activities for the coming reporting month will include:

WA4

Ÿ Preparation for bored piling

Ÿ Fabrication of temporary piling platforms and rebar cages

Ÿ Loading and unloading

Ÿ Setup of casting yard

WA7

Ÿ Preparation for bored piling

Ÿ Fabrication of temporary piling platforms and rebar cages

Ÿ Loading and Unloading

Portion A

Ÿ Site clearance and formation

Ÿ Timber Scaffolding

Ÿ Ground Investigation

Ÿ Set-up facilities for marine delivery of concrete from land plants

Portion C

Ÿ Trial Pit excavation for U/U

Ÿ Ground Investigation

Ÿ Erection of hoarding & fencing

Ÿ Site office area set up

Ÿ Pre-drilling work at western water, along slopping seawall

Ÿ Protection work to the fuel pipes along the access road

Ÿ Slewing work for CLP 11kVA and 132kVA power cable

Western Water

Ÿ Ground Investigation for design

Ÿ Pre-drilling Work

Ÿ Loading and Unloading

Ÿ Preparation work for bored piling

Ÿ Setting up of silt-curtain

Ÿ Bored piling excavation and concreting works