EXECUTIVE SUMMARY

Introduction

1.              This is the 69th 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 2018.

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

4th, 10th, 16th and 22nd October 2018

24-hr TSP Monitoring

[1]2nd, 4th, 10th, 16th and 22nd October 2018

Noise Monitoring

5th, 11th, 18th and 23rd October 2018

Water Quality Monitoring

[2]2nd, 4th, 6th, 8th, 10th, 12th, [2]15th, 18th, 20th and 23rd October 2018

Dolphin Monitoring (Line-transect Vessel Surveys)

2nd and 9th October 2018

Environmental Site Inspection

2nd, 9th, 16th and 23rd October 2018

[1] 24 hr TSP at AMS1 on 28th September 2018 was cancelled due to the power supply and rescheduled to 2 October 2018.

[2] Water quality monitoring (Mid-Ebb) on 2nd and 15th October 2018 were cancelled due to safety reason. The reasons for no alternative include:

a) The tidal ranges of the alternative is less than 0.5m
b) Two sets of monitoring are not less than 36 hours

 

 


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. The 2nd and 3rd 1-hr TSP monitoring results at AMS1 on 10 October 2018 are considered as voided data due to the filter papers were contaminated by mold.  No Action/Limit Level exceedances were recorded.

 

24-hour TSP Monitoring

 

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

 

Construction Noise

 

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

 

 

 

 

Water Quality

 

6.              All water quality monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance for dissolved oxygen, turbidity and suspended solid were recorded.

 

Complaint Log

 

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

Notification of Summons and Successful Prosecutions

 

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

Reporting Changes

 

9.              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

10.          Major site activities for the coming reporting month will include:

Portion A

¡P             Reinstatement of South Perimeter Road (P81-P83)

 

Pier 115 & Pier 114 Interface Area

¡P             Reinstatement of Slope and drainage works