EXECUTIVE SUMMARY

Introduction

1. This is the 61^st monthly 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 conducted in February 2018.

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	2^nd, 8^th, 14^th, 20^th and 26^th February 2018
24-hr TSP Monitoring	2^nd, 8^th, 14^th, 20^th and 26^th February 2018
Noise Monitoring	9^th, 15^th, 21^st and 27^th February 2018
Water Quality Monitoring^(1)	2^nd, 5^th, 7^th, 9^th, 12^th, 14^th, 20^th, 22^nd, 24^th, 26^th and 28^th February 2018
Dolphin Monitoring (Line-transect Vessel Surveys)	8^th and 23^rd February 2018
Environmental Site Inspection	6^th, 13^th, 20^th and 27^th February 2018

Remark: ⁽¹⁾ 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 month is tabulated in Table II.

Table II Summary Table for Events Recorded in the Reporting Month

Environmental Monitoring	Parameter	No. of Exceedance		Total No. of Exceedance	No. of Exceedance related to the Construction Activities of this Contract		Total 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	0	0
	24-hr TSP	0	0	0	0	0	0
Noise	Leq(30min)	0	0	0	0	0	0
Water Quality	Dissolved Oxygen (DO) (Surface & Middle)	0	0	0	0	0	0
	Dissolved Oxygen (DO) (Bottom)	0	0	0	0	0	0
	Turbidity	0	0	0	0	0	0
	Suspended Solids (SS)	6	0	6	0	0	0
Dolphin Monitoring	Line-transect Vessel Surveys (December 2017 to February 2018)	0	1	1	Under investigation

1-hour TSP Monitoring

4. All 1-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedances were recorded.

24-hour TSP Monitoring

5. All 24-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedances were recorded.

Construction Noise

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

Water Quality

7. All water quality monitoring was conducted as scheduled in the reporting month. There are six Action Level and no Limit Level exceedances were recorded for suspended solids. No Action/Limit Level exceedance for dissolved oxygen and turbidity were recorded.

8. According to the investigation, the exceedances are considered not due to the Contract due to the following reasons:

1) No pollution discharge from construction activity was observed;

2) Sediment plume due to natural fluctuation of shallow water was observed; and

3) Dispersion of sediment plume to the monitoring stations from the area outside the site boundary (i.e. works area not under and related to HY/2011/09) was observed.

Dolphin Monitoring

9. One Limit Level exceedance was recorded for dolphin monitoring according to the quarterly monitoring data in the period between December 2017 and February 2018. The exceedance will be reported and evaluation of impacts on dolphins due to construction work will be presented in the quarterly EM&A report (December 2017 to February 2018).

Complaint Log

10. No 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

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.