EXECUTIVE SUMMARY

Introduction

1.              This is the 19th 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 September to November 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

5th, 11th, 15th, 21st and 27th September 2017

2nd, 7th, 13th, 19th, 25th and 31st October 2017

6th, 7th, 10th, 16th, 22nd and 28th November 2017

*24-hr TSP Monitoring

Noise Monitoring

6th, 12th, 22nd and 28th September 2017

4th, 10th, 20th, 25th and 31st October 2017

1st, 7th, 17th, 23rd and 29th November 2017

Water Quality Monitoring

1st, 5th, 7th, 9th, 11th, 13th, 15th, 18th, 20th, 22nd, 25th, 27th and 29th September 2017

2nd, 4th, 6th, 9th, 11th, 14th, 16th, 18th, 20th, 23rd, 25th, 27th and 30th October 2017

1st, 3rd, 6th, 8th, 10th, 13th, 15th, 17th, 20th, 22nd, 24th, 28th and 30th November 2017

Dolphin Monitoring (Line-transect Vessel Surveys)

7th and 13th September 2017

10th and 24th October 2017

9th and 22nd November 2017

Environmental Site Inspection

5th, 12th, 19th and 26th September 2017

3rd, 10th, 17th , 24th and 31st October 2017

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

Archaeological Site Inspection

12th September 2017

*1hr TSP (2nd and 3rd hour for AMS1) & 24 hr TSP at AMS1 and AMS4 on 6 November 2017 were cancelled and postponed to be conducted on 7 November 2017 due to the failure of power supply from the premises. The power supply was resumed on 7 November 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)

16

4

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             Operation of Asphalt Plant

 

Ancillary and Associated Facilities

¡P             Breaking off the concrete footings for reinstatement of slope underneath the deck

¡P             Reinstatement of sloping seawall

¡P             Installation of precast parapet facial panel

¡P             Construction of median and side barriers

¡P             Construction of longitudinal stitching

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

¡P             Installation of fire main

¡P             Erection of sign gantry

¡P             Installation of stormwater drainage

¡P             Installation of the additional pier number and information signs

¡P             Site clearance / formation work to reinstatement of South Perimeter Road

¡P             Construction of concrete carriageway for Chek Lap Kok South Road realignment*

¡P             Installation of carrier drains

¡P             Installation of watermain

¡P             Laying of asphalt pavement

 

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 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             Optic fibre cable laying works

¡P             LV and HV cable laying works

¡P             Cable tray installation

¡P             GPS pole installation

 

Marine Viaduct (P0 to P80)

Deck Erection

¡P             Dismantling works

¡P             Movement joints installation

External Prestressing Tendon Installation

Internal Prestressing Grouting

Turnaround Facilities

¡P             Casting of wingslab

¡P             Dismantle of wingslab falsework

¡P             Sling platform dismantling

¡P             Casting of mobile telecom equipment room

¡P             Parapet installation

¡P             Installation of insitu parapet barrier

 

10m at P0

¡P             Erection of falsework for extending the wing to the utility trough

¡P             Fabrication & erection of the formwork to the central barrier

¡P             Construction of the utility trough, erect fascia panels and edge barrier