EXECUTIVE SUMMARY

Introduction

1.              This is the 16th 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 2016 and February 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, 23th and 29th December 2016

4th, 10th, 16th, 20th and 26th January 2017

1st, 7th, 13th, 17th and 23rd February 2017

24-hr TSP Monitoring

Noise Monitoring

2nd, 8th, 14th, 20th and 30th December 2016

5th, 11th, 17th and 27th January 2017

2nd, 8th, 14th and 24th February 2017

Water Quality Monitoring

2nd, 5th, 7th, 9th, 12th, 14th, 16th, 19th, 21st, 23rd, 26th, 28th and 30th December 2016

3rd, 5th, 7th, 9th, 11th, 13th, 16th, 18th, 20th, 23rd, 25th, 27th and (1)30th January 2017

1st, 3rd, 6th, 8th, 10th, 13th, 15th, 17th, 21st, 23rd, 25th and 27th February 2017

Dolphin Monitoring (Line-transect Vessel Surveys)

2nd and 12th December 2016

3rd and 9th January 2017

6th and 13th February 2017

Environmental Site Inspection

6th, 13th, 20th and 29th December 2016

3rd, 10th, 17th and 24th January 2017

2nd, 7th, 14th, 21st and 28th February 2017

Archaeological Site Inspection

13th December 2016

Remark: (1) Water quality monitoring scheduled on 30th January 2017 was cancelled due to no marine construction works were conducted during the Chinese New Year holiday (28th to 31st January 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

8

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

¡P             Cross Beam Precast Shell construction

 

Ancillary and Associated Facilities

¡P             E&M installation

¡P             E&M ducting installation

¡P             Construction of Load Centre (CL1)

¡P             Installation of carrier drains

¡P             Installation of precast parapet skins

¡P             Erection of Radar Platform

¡P             Construction of median and side barriers

¡P             Construction of longitudinal stitching

¡P             Erection of gantry posts for Sign gantry

¡P             Reinstatement of slope area and drainage works

¡P             Reinstatement of sloping seawall

 

Marine Viaduct (P0 to P80)

Deck Erection

¡P             Segment erection

¡P             Erection of SOP segments

¡P             Erection of cantilever

¡P             Construction of cross beam precase shell

¡P             In-situ RC works

¡P             Erection of precase SOP unit to Turnaround

¡P             Alignment and levels adjustment

¡P             Construction of temporary platform

 

External Prestressing Tendon Installation

Internal Prestressing Grouting