EXECUTIVE SUMMARY

Introduction

1. This is the 6^th 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 July 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	4^th, 10^th, 16^th, 22^th and 26^th July 2013
24-hr TSP Monitoring	4^th, 10^th, 16^th, 22^th and 26^th July 2013
Noise Monitoring	2^nd, 8^th, 17^th , 23^rd and 29^th July 2013
Water Quality Monitoring	2^nd, 4^th, 6^th, 8^th, 10^th, 12^th, 15^th, 17^th, 19^th, 22^th, 24^th, 26^th, 29^th and 31^st July 2013
Dolphin Monitoring (Line-transect Vessel Surveys)	5^th and 10^th July 2013
^(1)Construction-phase underwater Noise Monitoring	11^th, 12^th, 15^th, 16^th, 17^th, 18^th, 19^th, 22^nd, 23^rd and 24^th July 2013
^(1)Dolphin Behaviour Monitoring	8^th, 9^th, 10^th, 11^th, 12^th, 13^th, 15^th, 17^th, 18^th, 19^th, 23^rd, 24^th and 29^thJuly 2013
^(1)Land-based Dolphin Behaviour and Movement Monitoring	9^th, 11^th, 12^th, 15^th, 16^th, 17^th, 18^th, 22^nd, 23^rd, 24^th, 25^th and 26^th July 2013
Environmental Site Inspection	2^nd, 9^th, 16^th, 23^th and 30^th July 2013
Archaeological Site Inspection	^(2)N/A

Remark: ^(1)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 which presented in Appendix A.

⁽²⁾ No archaeological site inspection was conducted in the reporting month.

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
		Action Level	Limit Level	Action Level	Limit Level
Air Quality	1-hr TSP	0	0	0	0
	24-hr TSP	0	0	0	0
Noise	Leq(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	0	0	0	0
	Suspended Solids (SS)	3	1	0	0
Undewater Noise	RMS sound pressure level re 1µPa	0	0	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.

Construction Underwater Noise

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

Water Quality

8. All water quality monitoring was conducted as scheduled in the reporting month. There are three Action Level and one Limit Level exceedances for suspended solids were recorded.

9. According to the investigation, no pollution discharge from the marine works and no exceedances were recorded at the impact stations (i.e. IS1 to IS4) which are close to construction site. Therefore, all exceedances are considered not due to the Contract.

Complaint Log

10. One environmental complaint was received in the reporting month.

Notification of Summons and Successful Prosecutions

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

Reporting Changes

12. 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).

Future Key Issues

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

WA4

Ÿ Fabrication of rebar cages

Ÿ Fabrication of temporary piling platforms

WA7

Ÿ Fabrication of rebar cages

Ÿ Loading and Unloading

Portion A (Land Section)

Ÿ Site formation and clearance

Ÿ Slewing the tele-communication cable and Airport Authority (AA)’s COM cable

Ÿ Set up of barriers

Ÿ Laying piling platforms.

Ÿ Pre-drilling work

Portion C

Ÿ Land piling

Ÿ Tree felling/transplant

Ÿ Water main diversion

Airport Channel

Ÿ Piling jacket and permanent casing

Ÿ Pile excavation by  Reverse Circulation Drilling (RCD) method

Ÿ Pile excavation by Kelly method

Ÿ Piling works for temporary jetty

Ÿ Installation of permanent casing

Ÿ Setting up of silt-curtain

Western Water

Ÿ Pre-drilling Work

Ÿ Setting up of silt-curtain

Ÿ Platform installation for pre-drilling works and bored piling works

Ÿ Installation of temporary casings for the piling platform

Ÿ Installation of permanent casing

Ÿ Bored piling works

Ÿ Piling Jacket and permanent casing