EXECUTIVE SUMMARY

Introduction

1. This is the 4^th Quarterly 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 performed in the period between December 2013 and February 2014.

Environmental Monitoring and Audit Progress

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

Table I Summary Table for Monitoring Activities in the Reporting Period

Parameter(s)	Monitoring Date(s)
1-hr TSP Monitoring	4^th, 10^th, 16^th, 21^st and 27^th December 2013 2^nd, 8^th, 14^th, 20^th, 24^th and 30^th January 2014 5^th, 11^th, 17^th, 21^st and 27^th February 2014
24-hr TSP Monitoring
Noise Monitoring	5^th, 11^th , 17^th, 23^rd and 30^th December 2013 9^th, 15^th , 21^st and 27^th January 2014 6^th, 12^th , 18^st and 24^th February 2014
Water Quality Monitoring	2^nd, 4^th, 6^th, 9^th, 11^th, 13^th, 16^th, 18^th, 20^th, 24^th, 26^th , 28^th and 30^th December 2013 2^nd, 4^th, 6^th, 8^th, 10^th, 13^th, 15^th, 17^th, 20^th, 22^th, 24^th , 28^th and 30^th January 2014 1^st, 4^th, 6^th, 8^th, 11^th, 13^th, 15^th, 17^th, 19^th, 21^st, 25^th and 27^th February 2014
Dolphin Monitoring (Line-transect Vessel Surveys)	3^rd and 20^th December 2013 3^rd and 24^th January 2014 24^th and 26^th February 2014
^(1)(2)(3) Additional Land-based Dolphin Behaviour and Movement Monitoring	22^nd and 27^th January 2014
Environmental Site Inspection	3^rd, 10^th, 17^th, 24^th and 31^st December 2013 7^th, 14^th, 21^st and 28^th January 2014 5^th, 11^th, 18^th and 28^th February 2014
Archaeological Site Inspection	30^th December 2013

Remark: ⁽¹⁾ In view of the construction activities have no significant change in December 2013, no additional land-based dolphin behavior and movement monitoring was conducted in December 2013.

⁽²⁾ Detailed monitoring methodology and results in January 2014 will be provided in a separate report after the completion of full set of additional land-based dolphin behavior and movement monitoring.

⁽³⁾ Due to the short notice given to Dolphin Specialist, additional land-based dolphin behaviour and movement monitoring could not be arranged on 27 and 28 February 2014.

Breaches of Action and Limit Levels

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

Table II Summary Table for Events Recorded in the Reporting Period

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	4	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	10	18	0	0
	Suspended Solids (SS)	40	27	0	0
Dolphin Monitoring	Line-transect Vessel Surveys	0	0	0	0

4. Environmental monitoring works were performed in the reporting period and all monitoring results were checked and reviewed. The details of each exceedance were attached in the Monthly EM&A Reports.

Complaint Log

5. Summary of the environmental complaints of the reporting period is tabulated in Table III.

Table III Summary Table for Complaints Recorded in the Reporting Period

Complaint Log Ref.	Location	Received Date	Nature of Complaint
Com-2014-01-001	Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road – Section between HKSAR Boundary and Scenic Hill (Contract No. HY/2011/09	3 January 2014	Noise
Com-2014-01-002	Hong Kong-Zhuhai-Macao Bridge	16 January 2014	Air Quality

Notification of Summons and Successful Prosecutions

6. No notification of summons and successful prosecution was received in the reporting period.

Reporting Changes

7. This report has been developed in compliance with the reporting requirements for the quarterly EM&A Summary Report as required by the EM&A Manual for Hong Kong Link Road (EM&A Manual).

Future Key Issues

8. 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 of rebar materials

Marine Viaduct (P0 to P84)

Ÿ Construction of the temporary jetty

Ÿ Installation of temporary casings, piling jackets, temporary piles, platform and permanent casings

Ÿ Dismantling of piling jacket

Ÿ Pile excavation by Reverse Circulation Drill (RCD) method

Ÿ Pile excavation by Kelly method

Ÿ Inter-face coring test, full depth coring test and sonic test

Ÿ Pre-drilling works

Ÿ Operation of floating concrete batching plants

Ÿ Trimming of pile head

Ÿ Grouting works

Ÿ Driving of sheet piling

Ÿ Trial water cracking and trial shaft grouting

Ÿ Precast shells waterproofing works

Ÿ Advanced concrete breaking works inside the permanent steel casing

Land Viaduct (P85 to P114)

Ÿ Land piling and concreting works

Ÿ Rebar threading for coupler

Ÿ Drainage and water main diversion works

Ÿ Backfilling

Ÿ Tree transplant and maintenance works

Ÿ Installation of portal beam

Ÿ Excavation works and Earth Lateral Support (ELS)

Ÿ Pouring of pile cap and pile head breaking

Ÿ Formation works

Ÿ Pours of column

Ÿ Erection of side formwork for the portal and kickers

Ÿ Road diversion works

Ÿ Pre-drilling works, pile cap, column and portal construction