EXECUTIVE SUMMARY

Introduction

1.              This is the 12th 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 2015 and February 2016.

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

3rd, 9th, 15th, 21st, 25th and 31st December 2015

6th, 12th, 18th, 22nd and 28th  January 2016

3rd, 9th, 15th, 19th and 25th February 2016

24-hr TSP Monitoring

Noise Monitoring

4th, 10th,16th, 22nd and 28th December 2015

7th, 13th, 19th and 29th January 2016

4th, 11th, 16th and 26th February 2016

Water Quality Monitoring

2nd, 4th, 7th, 9th, 11th, 14th, 16th, 18th, 21st, 23rd, 25th, 28th and 30th December 2015

2nd, 4th, 6th, 8th, 11th, 13th, 15th, 18th, 20th, 22nd, 25th, 27th and 29th January 2016

1st, 3rd, 5th, 11th, 13th, 15th, 17th, 19th, 22nd, 24th, 26th and 29th February 2016

Dolphin Monitoring (Line-transect Vessel Surveys)

3rd and 10th December 2015

6th and 21st January 2016

4th and 19th February 2016

Additional Land-based Dolphin Behaviour and Movement Monitoring

1st  and 8th December 2015

7th  and 12th January 2016

5th  and 12th February 2016

Environmental Site Inspection

1st, 10th, 15th, 23rd and 29th December 2015

5th, 12th, 19th and 26th January 2016

2nd, 11th, 18th and 23rd February 2016

Archaeological Site Inspection

29th December 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

1

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)

14

0

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   Cross Beam Precast Shell construction

 

WA7

Ÿ   Storage area

 

Marine Viaduct (P0 to P80)

Pile Cap Construction:

Ÿ   Concreting works

Ÿ   Steel re-bar fixing for pile cap

Ÿ   Enhancement works

 

Column Construction:

Ÿ   Lift concrete pouring

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

 

Double Blade Column

Ÿ   Lifting works

 

Deck Erection

Ÿ   Setting up of equipment

Ÿ   Segment erection

 

Precast Segment

Ÿ   Segment casting

 

Land Viaduct (P81 to Abutment at SHT)

Ÿ   Removal of filled platform

Ÿ   Reinstatement works