EXECUTIVE SUMMARY

Introduction

1. This is the 35^th 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 December 2015.

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	3^rd, 9^th, 15^th, 21^st, 25^th and 31^stDecember 2015
24-hr TSP Monitoring	3^rd, 9^th, 15^th, 21^st, 25^th and 31^stDecember 2015
Noise Monitoring	4^th, 10^th,16^th, 22^ndand 28^th December 2015
Water Quality Monitoring	2^nd, 4^th, 7^th, 9^th, 11^th, 14^th, 16^th, 18^th, 21^st, 23^rd, 25^th, 28^th and 30^th December 2015
Dolphin Monitoring (Line-transect Vessel Surveys)	3^rd and 10^th December 2015
Additional Land-based Dolphin Behaviour and Movement Monitoring	1^st and 8^th December 2015
Environmental Site Inspection	1^st, 10^th, 15^th, 23^rd and 29^th December 2015
Archaeological Site Inspection	29^th December 2015

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)	14	0	14	0	0	0

1-hour TSP Monitoring

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

24-hour TSP Monitoring

5. All 24-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was 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 fourteen Action Level and no Limit Level exceedances for suspended solids were recorded. No Action/Limit Level exceedance for dissolved oxygen and turbidity were recorded.

8. According to the investigation, no pollution discharge was observed from the site. In addition, adverse water quality outside the site boundary and 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) were observed. Therefore, the exceedances are considered not due to the Contract.

Complaint Log

9. No environmental complaint was received in the reporting month.

Notification of Summons and Successful Prosecutions

10. No notification of summons and successful prosecution was received in the reporting month.

Reporting Changes

11. 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

12. 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

Marine Viaduct (P0 to P80)

Ÿ Remove rockfill platform for rock breaking for cofferdam installation

Ÿ Completed concrete plug, cutting steel casing and blinding concrete

Ÿ Enhancement work to cofferdam to improve water tightness

Ÿ Pile testing

Pile Cap Construction:

Ÿ Installation of precast cap shells

Ÿ Concreting

Ÿ Kingpost installation and associated steel welding works

Ÿ Concreting trimming

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

Ÿ Vertical Tendons Stressed

Ÿ Grouting Vertical Tendons

Ÿ Pier Head Concrete

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 Commencement of reinstatement works

Ÿ Removal of falsework

Ÿ Removal of steel bracket system

Ÿ Construction of upper bearing plinths