EXECUTIVE SUMMARY

Introduction

1.              This is the 39th 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 April 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

5th, 11th, 15th, 21st and 27th April 2016

24-hr TSP Monitoring

5th, 11th, 15th, 21st and 27th April 2016

Noise Monitoring

6th, 12th, 22nd and 28th April 2016

Water Quality Monitoring

2nd, 5th, 7th, 9th, 11th, 13th, 15th, 18th, 20th, 22nd, 25th, 27th and 29th April 2016

Dolphin Monitoring (Line-transect Vessel Surveys)

7th and 20th April 2016

Additional Land-based Dolphin Behaviour and Movement Monitoring

21st  and 29th April 2016

Environmental Site Inspection

5th, 12th, 19th and 26th April 2016

Archaeological Site Inspection

(1)  N/A

             Remark:       (1)   No archaeological site inspection was conducted in the reporting month.

 

 

 


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)

0

0

0

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. No Action/Limit Level exceedance was 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

Ÿ   Cross Beam Precast Shell construction

 

Ancillary and Associated Facilities

Ÿ   Precast gullies installation

Ÿ   E&M installation

Ÿ   Deck void lighting installation

Ÿ   Precast parapets installation

Ÿ   Construction of side barriers

 

Marine Viaduct (P0 to P80)

Pile Cap Construction:

Ÿ   Concreting works

Ÿ   Re-bar fixing for pile cap

Precast Column Erection

Ÿ   Installation of pier head unit

Ÿ   Vertical Tendons Stressed

Ÿ   Grouting Vertical Tendons

Ÿ   Pier Head Concrete

 


Double Blade Column

Ÿ   Pier head construction

 

Deck Erection

Ÿ   Segment erection

 

Precast Segment

Ÿ   Segment casting

 

Land Viaduct (P81 to Abutment at SHT)

Ÿ   Removal of filled platform

Ÿ   Reinstatement of vertical seawall

Ÿ   Removal of falsework and reinstatement of slope area at P115

Ÿ   Construction of longitudinal stitching