EXECUTIVE SUMMARY

Introduction

1. This is the 20^th Quarterly Environmental Monitoring and Audit (EM&A) Report prepared by Cinotech Consultants Limited for the project ¡§Contract No. HY/2011/09 ¡V Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road ¡V 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 2017 to February 2018.

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, 8^th, 14^th, 20^th, 26^th and 30^th December 2017 5^th, 11^th, 17^th, 23^rd and 29^th January 2018 2^nd, 8^th, 14^th, 20^th and 26^th February 2018
24-hr TSP Monitoring
Noise Monitoring	5^th, 15^th, 21^st and 27^th December 2017 6^th, 12^th, 18^th, 24^thand 30^th January 2018 9^th, 15^th, 21^st and 27^th February 2018
*Water Quality Monitoring	2^nd, 4^th, 6^th, 8^th, 12^th, 14^th, 16^th, 18^th, 20^th, 22^nd, 26^th, 28^th and 30^th December 2017 2^nd, 4^th, 6^th, 8^th, 10^th, 12^th, 15^th, 17^th, 19^th, 22^nd, 24^th, 26^th, 29^th and 31^st January 2018 2^nd, 5^th, 7^th, 9^th, 12^th, 14^th, 20^th, 22^nd, 24^th, 26^thand 28^th February 2018
Dolphin Monitoring (Line-transect Vessel Surveys)	4^th and 21^st December 2017 3^rd and 23^rd January 2018 8^th and 23^rd February 2018
Environmental Site Inspection	5^th, 12^th, 19^thand 27^th December 2017 2^nd, 9^th, 16^th, 23^rd and 30^th January 2018 6^th, 13^th, 20^th and 27^th February 2018
Archaeological Site Inspection	12^th December 2017

* No marine construction works was conducted in the period between 16^th and 19^th February 2018 (Lunar New Year's Holiday).

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	2	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)	10	1	0	0
Dolphin Monitoring	Line-transect Vessel Surveys	0	1	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

There should be no environmental issue due to the Asphalt Plant at WA4 as the ASL Asphalt Plant has been abandoned since 9 February 2018.

Ancillary and Associated Facilities

¡P Reinstatement of slope area and drainage works at P115 interface area;

¡P Continue reinstatement of sloping seawall at Portion A;

¡P Continue reinstatement works at South Perimeter Road;

¡P Rehabilitation works for existing drains and sewerage at South Perimeter Road between P81 to P84 commence;

¡P Commence road lighting at Scenic Road;

¡P Continue construction of drainage at P113;

¡P Continue installation of carrier drains at ML8;

¡P Continue installation of water main at ML8;

¡P Continue installation of utility trough covers;

¡P Continue remaining road marking works;

¡P Continue installation of the additional pier number and information signs.

E&M Works

¡P Continue installation of the pile cap lighting;

¡P Complete installation of the additional LED flood light;

¡P Commence installation of red obstacle light at high mast.

Removal of Temporary works

¡P Continue P69 & 70 jetty dismantling works and P68 platform removal works;

¡P Continue defect repairing works on bridge bearings;

¡P Continue APC Temporary Platforms under the MJ pier;

¡P Continue Western Water NSS temporary platforms removal.

Turnaround Facilities

¡P Construction of U-channel at top of Turnaround.

10m Works at P0 Interface

¡P Road marking work at 10m interface area.