EXECUTIVE SUMMARY

Introduction

1.              This is the 18th 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 June to August 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, 19th, 23rd and 29th June 2017

5th, 11th, 17th, 21st and 27th July 2017

2nd, 8th, 14th, 18th, 24th(AMS4), 25th(AMS1) and 30th August 2017

24-hr TSP Monitoring

Noise Monitoring

8th, 14th, 20th and 26th June 2017

6th, 12th, 19th, 24th and 31st July 2017

9th, 15th, 25th and 31st August 2017

Water Quality Monitoring

2nd, 5th, 7th, 9th, 12th, 14th, 16th, 19th, 21st, 23rd, 26th, 28th and 30th June 2017

3rd, 5th, 7th, 10th, 12th, 14th, 17th, 19th, 21st, 24th, 26th, 28th and 31st July 2017

2nd, 4th, 7th, 9th, 11th, 14th, 16th, 18th, 21st, 24th, 26th, 28th and 30th August 2017

Dolphin Monitoring (Line-transect Vessel Surveys)

9th and 21st June 2017

4th and 13th July 2017

8th and 14th August 2017

Environmental Site Inspection

6th, 15th, 22nd and 27th June 2017

4th, 11th, 18th and 25th July 2017

1st, 8th, 15th, 22nd and 29th August 2017

Archaeological Site Inspection

15th June 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)

13

9

0

0

Dissolved Oxygen (DO) (Bottom)

10

20

0

0

Turbidity

0

0

0

0

Suspended Solids (SS)

6

2

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             CLK South Road realignment

¡P             Laying of asphalt pavement

¡P             Sealing of gantry crane loading opening

 

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 Load Centre

¡P             Pillar box installation

¡P             Installation for TCSS¡¦s CCTV high mast

¡P             Installation for HKPF¡¦s high mast

¡P             Installation for C&ED¡¦s high mast

 

Marine Viaduct (P0 to P80)

 

Deck Erection

¡P             Segment erection

¡P             Dismantling the remaining LF3

 

External Prestressing Tendon Installation

Internal Prestressing Grouting

Turnaround Facilities

¡P             Steel fixing for longitudinal stitch between box girders

¡P             Strands installation and stressing for extended platforms

¡P             strands installation for stressing

¡P             Casting of stitches between I-beams and box girder

¡P             Strands installation for I-beams

¡P             Assembly of Megashor tower for corner beams

¡P             Erect 4 number of Corner Beams