EXECUTIVE SUMMARY

Introduction

1.              This is the 17th 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 and May 2017.

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

1st, 7th, 13th, 17th, 23rd and 29th March 2017

3rd, 7th, 13th, 19th, 25th and 28th April 2017

4th, 10th, 16th, 22nd and 26th May 2017

24-hr TSP Monitoring

Noise Monitoring

2nd, 8th, 14th, 24th and 30th March 2017

5nd, 11th, 20th and 26th April 2017

5th, 11th, 17th, 23rd and 29th May 2017

Water Quality Monitoring

1st, 3rd, 6th, 8th, 10th, 13th, 15th, 17th, 20th1st, 23rd, 25th,  and 27th, 29th and 31st March 2017

3rd, 6th, 8th, 10th, 12th, 14th, 18th, 20th, 22nd, 24th, 26th  and 28th April 2017

2nd, 4th, 6th, 8th, 10th, 12th, 15th, 17th, 19th, 22nd, 24th, 26th and 29th and 31th May 2017

Dolphin Monitoring (Line-transect Vessel Surveys)

1st and 13th March 2017

5th and 13th April 2017

8th and 19th May 2017

Environmental Site Inspection

7th, 14th, 21st and 28th March 2017

6th, 11th, 18th and 25th April 2017

2nd, 9th, 16th, 23rd and 31st May 2017

Archaeological Site Inspection

14th March 2017

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

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)

13

6

0

0

Dolphin Monitoring

Line-transect Vessel Surveys

1

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

¡P             Establishment for Asphalt Plant

 

Ancillary and Associated Facilities

¡P             Sealing of deck openings and preparation deck surface for waterproofing

¡P             Waterproofing and asphalt laying

¡P             Watermain installation

¡P             Installation of carrier drains

¡P             Installation of precast parapet skins

¡P             Construction of median and side barriers

¡P             Construction of longitudinal stitching

¡P             Erection of sign gantry

¡P             Reinstatement of slope area and drainage works

¡P             Reinstatement of sloping seawall

¡P             Fill slope for CLK South Road realignment*

¡P             Laying of asphalt pavement

¡P             Sealing of gantry crane loading opening

 

Note:

*Minor Modification Works:-

¡PShifting the bus stop location;

¡PShifting the old alignment near P109 southward; and

¡PRe-instating the underground drainage with the new alignment due to the minor modification works above.

 

E&M Works

¡P             E&M installation

¡P             E&M ducting installation

¡P             E&M works inside SHT building

¡P             Street light cables and poles installation

¡P             Cable hanger installation

¡P             Construction of Lad Centre

 

Marine Viaduct (P0 to P80)

 

Deck Erection

¡P             Segment erection

 

External Prestressing Tendon Installation

Internal Prestressing Grouting

Turnaround Facilities

¡P             Stitching works

¡P             Erection of I-beam supporting towers