EXECUTIVE SUMMARY

Introduction

1. This is the 9^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 March and May 2015.

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	5^th, 11^th, 17^th, 23^rd and 27^th March 2015 2^nd, 8^th, 14^th, 20^th, 24^th and 30^th April 2015 6^th, 12^th, 18^th, 22^nd and 28^th May 2015
24-hr TSP Monitoring
Noise Monitoring	6^th, 12^th, 18^th and 24^th March 2015 9^th, 15^th, 21^st and 27^th April 2015 7^th, 13^th, 19^th and 29^th May 2015
Water Quality Monitoring	2^nd, 4^th, 6^th, 9^th, 11^th, 13^th, 17^th, 19^th, 21^st, 23^rd, 25^th, 27^th and 31^st March 2015 2^nd, 4^th, 6^th, 8^th, 10^th, 13^th, 15^th, 17^th, 20^th, 22^nd, 24^th, 27^th and 29^th April 2015 2^nd, 4^th, 6^th, 8^th, 11^th, 13^th, 15^th, 18^th, 20^th, 22^nd, 25^th, 27^th and 29^th May 2015
Dolphin Monitoring (Line-transect Vessel Surveys)	19^th and 27^th March 2015 2^nd and 13^th April 2015 7^th and 15^th May 2015
Additional Land-based Dolphin Behaviour and Movement Monitoring	9^th and 13^th March 2015 14^th and 20^th April 2015 11^th and 19^th May 2015
Environmental Site Inspection	3^rd, 10^th, 17^th, 23^rd and 31^st March 2015 9^th, 14^th, 21^st and 29^th April 2015 5^th, 12^th, 18^st and 26^th May 2015
Archaeological Site Inspection	17^th March 2015

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	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)	8	6	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. No environmental complaint was received in the reporting period.

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 lifting frames

Ÿ Deliveries of frame structures

WA7

Ÿ Fabrication of cofferdam frame structures

Ÿ Maintenance of Reverse Circulation Drill (RCD) equipment

Marine Viaduct (P0 to P80)

Reverse Circulation Drill (RCD) Method:

Ÿ Temporary platform formation

Ÿ Installation of Jacket

Ÿ Dismantling of piling jackets

Ÿ Pile excavation and casing installation

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

Ÿ Grouting works

Pile Cap Construction:

Ÿ Installation of precast cap shells

Ÿ Concreting

Ÿ Kingpost installation and associated steel welding works

Ÿ Concreting trimming

Ÿ Rock excavation

Ÿ Steel Fixing works of pile cap

Works with Cofferdam:

Ÿ Installation of waling strut

Ÿ Installation of sheet pile

Ÿ Installation of temporary working platform

Ÿ Installation of shear pin

Ÿ Installation of bored pile casing

Ÿ Excavation works and casting of concrete plug

Ÿ Dewatering works and sealing works

Ÿ Additional welding

Column Construction:

Ÿ Lifting works

Ÿ Lift concreting

Ÿ Pier head works

Ÿ Pier head concreting

Precast Column Erection

Ÿ Installation of base units and precast units

Ÿ Stressing of vertical nailing tendons

Deck Erection

Ÿ Setting up of equipment

Ÿ Segment erection

Precast Segment

Ÿ Segment casting

Land Viaduct (P81 to Abutment at Scenic Hill Tunnel (SHT))

Ÿ Pile construction

Ÿ Pouring of column

Ÿ Excavation works and waling & struts installation work

Ÿ Sewage diversion

Ÿ Pre-bored sheet pile

Ÿ Pile cap excavation work and waling & struts installation

Ÿ Erection of steel girders and cross beams

Ÿ Erection of vertical formwork and kickers

Ÿ Steel fixing for portal

Ÿ Removal of falsework

Ÿ Formworks

Ÿ Construction of temporary foundations

Ÿ Segment deliveries

Ÿ Segment erection