EXECUTIVE SUMMARY

Introduction

1. This is the 21^st 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 March to May 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	2^nd, 8^th, 14^th, 20^th,26^thand 31^st March 2018 6^th, 12^th, 18^th, 24^thand 30^th April 2018 4^th, 10^th, 16^th, 21^st, 25^th and 31^st May 2018
24-hr TSP Monitoring
Noise Monitoring	9^th, 15^th, 21^st and 27^th March 2018 4^th, 13^th, 19^th and 25^th April 2018 2^nd, 7^th, 17^th and 23^rd May 2018
Water Quality Monitoring	2^nd, 5^th, 7^th, 9^th, 13^th, 15^th, 17^th, 19^th, 21^st, 23^rd, 27^th, 29^thand 31^stMarch 2018 2^nd, 4^th, 6^th, 10^th, 12^th, 14^th, 16^th, 18^th, 20^th, 23^rd, 26^th, 28^thand 30^thApril 2018 2^nd, 4^th, 8^th, 10^th, 12^th, 14^th, 16^th, 18^th, 22^nd, 24^th, 26^th, 28^thand 30^thMay 2018
Dolphin Monitoring (Line-transect Vessel Surveys)	7^th and 15^th March 2018 6^th and 13^th April 2018 2^nd and 14^th May 2018
Environmental Site Inspection	6^th, 13^th, 20^th and 27^th March 2018 3^rd, 10^th, 17^th and 24^th April 2018 2^nd, 8^th, 15^th ,23^rd and 29^th May 2018
Archaeological Site Inspection	27^th March 2018

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	1	0	0	0
Noise	Leq(30min)	0	0	0	0
Water Quality	Dissolved Oxygen (DO) (Surface & Middle)	4	0	0	0
	Dissolved Oxygen (DO) (Bottom)	24	3	0	0
	Turbidity	0	0	0	0
	Suspended Solids (SS)	8	2	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:

Western Water

¡P Installation of cat ladders at pile cap walls;

¡P Dismantling NSS access platforms; and

¡P Installation of permanent maintenance platforms.

P68

¡P Construction of permanent rockfill platform

Portion A

¡P Reinstatement of South Perimeter Road (P81 ¡V P83)