1.
This is the 67th 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 August 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 |
6th, 10th,
16th, 22nd and 28th August 2018 |
24-hr
TSP Monitoring |
6th, 10th,
16th, 22nd and 28th August 2018 |
Noise
Monitoring |
1st,
7th, 17th, 23rd and 29th August
2018 |
Water
Quality Monitoring |
1st,
3rd, 6th, 8th, 10th, 13th,
15th, 17th, 20th, 22nd, 24th,
28th and 30th August 2018 |
2nd and 9th
August 2018 |
|
Environmental
Site Inspection |
7th, 14th,
21st and 28th August 2018 |
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) |
8 |
0 |
8 |
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 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. There are eight Action Level exceedances were
recorded for suspended solids. No Action/Limit Level exceedance for dissolved
oxygen and turbidity were recorded.
7.
According to the investigation, the exceedances are considered not due
to the Contract due to the following reasons:
1)
No major marine construction activity was conducted;
2)
No pollution discharge from construction activity was observed;
3)
Sediment plume due to natural fluctuation of shallow water was observed;
4) Control station value already exceeded
either the Baseline Action or Limit Levels; and
5) Dispersion of sediment plume to
the monitoring stations from the area outside the site boundary (i.e. works
area not under and related to HY/2011/09) was observed.
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.
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).
11.
Major site activities for
the coming reporting month will include:
Marine Portion
¡P
Installation of cat ladders at pile cap walls
Land
Portion
¡P
Reinstatement of South Perimeter Road