1.
This is the 68th 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 September
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 |
3rd,
7th, 13th, [1]19th, [1]20th,
24th and 28th September 2018 |
24-hr
TSP Monitoring |
3rd,
7th, 13th, [1]19th, [1]20th,
24th and [2]28th September 2018 |
Noise
Monitoring |
5th,
11th, 20th and 26th September 2018 |
Water
Quality Monitoring |
1st,
4th, 6th, 8th, 10th, [3]12th,
14th, [4]17th, 19th, 21st,
25th, 27th and 29th September 2018 |
5th
and 11th September 2018 |
|
Environmental
Site Inspection |
4th,
11th, 18th and 26th September 2018 |
Archaeological
Site Inspection |
18th
September 2018 |
[1] 1hr & 24 hr TSP at AMS1 on 19th September 2018 was
cancelled due to the power supply and rescheduled to 20th September
2018.
[2] 24 hr TSP at AMS1 on 28th
September 2018 was cancelled due to the power supply and rescheduled to 2
October 2018.
[3] Water quality
monitoring (Mid-Ebb) on 12th September 2018 was cancelled due to
adverse weather (Strong Wind Signal No.3)
[4] Water quality
monitoring on 17th September 2018 was cancelled due to adverse
weather (Strong Wind Signal No.3)
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) |
2 |
0 |
2 |
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
two 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) Localized
sediment plume due to the rough water condition was observed; and
5) Dispersion
of sediment plume to the monitoring stations from the area outside the site
boundary (i.e. 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:
Western Water
¡P
Installation of cat ladders at pile cap walls
Portion
A
¡P
Reinstatement of South Perimeter Road
(P81-P83)
Pier
115 & Pier 114 Interface Area
¡P
Reinstatement of Slope and drainage works