EXECUTIVE SUMMARY

Introduction

1.              This is the 45th monthly 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 conducted in October 2016.

Environmental Monitoring and Audit Progress

2.              A summary of the monitoring activities in this reporting month is listed in Table I below:

Table I            Summary Table for Monitoring Activities in the Reporting Month

 

Parameter(s)

Date(s)

1-hr TSP Monitoring

6th, 12th, 18th, 24th and 28th October 2016

24-hr TSP Monitoring

6th, 12th, 18th, 24th and 28th October 2016

Noise Monitoring

7th, 13th, 19th and 25th October 2016

Water Quality Monitoring

3rd, 5th, 7th, 11th, 13th, 15th, 17th, 19th, 22nd, 24th, 26th, 28th and 31st October 2016

Dolphin Monitoring (Line-transect Vessel Surveys)

14th and 20th October 2016

Environmental Site Inspection

4th, 11th, 18th and 25th October 2016

 

 

 


Breaches of Action and Limit Levels

3.              Summary of the environmental exceedances of the reporting month is tabulated in Table II.

Table II          Summary Table for Events Recorded in the Reporting Month

 

Environmental Monitoring

Parameter

No. of Exceedance

Total No. of Exceedance

No. of Exceedance related to the Construction Activities of this Contract

Total 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

0

0

24-hr TSP

0

0

0

0

0

0

Noise

Leq(30min)

0

0

0

0

0

0

Water Quality

Dissolved Oxygen (DO) (Surface & Middle)

0

0

0

0

0

0

Dissolved Oxygen (DO) (Bottom)

0

0

0

0

0

0

Turbidity

0

0

0

0

0

0

Suspended Solids (SS)

10

1

11

0

0

0

 

1-hour TSP Monitoring

 

4.              All 1-hour TSP monitoring was conducted as scheduled in the reporting month.  No Action/Limit Level exceedance was recorded.

 

24-hour TSP Monitoring

 

5.              All 24-hour TSP monitoring was conducted as scheduled in the reporting month.  No Action/Limit Level exceedance was recorded.

 

Construction Noise

 

6.              All construction noise monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was recorded.

 


Water Quality

 

7.              All water quality monitoring was conducted as scheduled in the reporting month. There are ten Action Level and one Limit Level exceedances were recorded for suspended solids. No Action/Limit Level exceedance for dissolved oxygen and turbidity were recorded.

Complaint Log

 

8.              No environmental complaint was received in the reporting month.

Notification of Summons and Successful Prosecutions

 

9.              No notification of summons and successful prosecution was received in the reporting month.

Reporting Changes

 

10.          This report has been developed in compliance with the reporting requirements for the subsequent monthly EM&A Report as required by the EM&A Manual for Hong Kong Link Road (EM&A Manual).

Future Key Issues

11.          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