1.
This is the 3rd 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 2013.
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 |
2nd, 8th,
12th, 18th, 24th and 30th April
2013 |
24-hr TSP Monitoring |
2nd, 8th,
12th, 18th, 24th and 30th April
2013 |
Noise Monitoring |
3rd, 9th,
15th and 25th April 2013 |
Water Quality Monitoring |
1st, 3rd,
5th, 8th, 10th, 12th, 15th,
17th, 19th, 22th, 24th, 26th
and 29th April 2013 |
9th and
17th April 2013 |
|
(1)Construction-phase
underwater Noise Monitoring |
With Bored Piling
Activities: 2nd, 3rd,
5th, 8th, 9th, 10th, 25th,
26th, 27th, 29th and 30th April 2013 Without Bored
Piling Activities: 11th
April 2013 |
(1)Dolphin Behaviour
Monitoring |
With Bored Piling
Activities: 1st, 2nd,
3rd, 5th, 7th, 8th, 10th
and 11th April 2013 |
(1)Land-based Dolphin
Behaviour and Movement Monitoring |
With Bored Piling
Activities: 1st, 2nd,
4th, 5th, 7th, 8th, 9th,
10th and 11th April 2013 |
Environmental Site Inspection |
2nd, 9th,
16th, 26th and 30th April 2013 |
Archaeological Site Inspection |
(2)N/A |
Remark: (1)Dolphin-related monitoring was conducted in the reporting month. According to
the EM&A Manual for HKLR, the dolphin-related monitoring was conducted
during the bored piling activities (e.g. installation of permanent casting for
bored piling activities) which presented in Appendix A. The
dolphin-related monitoring conducted without bored piling activities are for
reference only.
(2) 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 |
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 |
24-hr TSP |
0 |
0 |
0 |
0 |
|
Noise |
Leq(30min) |
0 |
0 |
0 |
0 |
Water Quality |
Dissolved Oxygen (DO)
(Surface & Middle) |
0 |
0 |
0 |
0 |
Dissolved Oxygen (DO)
(Bottom) |
0 |
0 |
0 |
0 |
|
Turbidity |
0 |
0 |
0 |
0 |
|
Suspended Solids (SS) |
1 |
0 |
0 |
0 |
|
Undewater Noise |
RMS sound
pressure level re
1µPa |
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. There is one Action
Level exceedance for suspended solids were recorded.
8.
According to the investigation,
no pollution discharge from the marine works and sediment plume due
to natural fluctuation of shallow water was observed. Therefore, all exceedances are considered not due to the Contract.
Complaint Log
9.
One environmental complaint
was received in the reporting month.
Notification of
Summons and Successful Prosecutions
10.
No notification of summons
and successful prosecution was received in the reporting month.
11.
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).
12.
Major site activities for the coming reporting
month will include:
WA4
Fabrication of rebar cages
Loading and unloading
Setup of casting yard
WA7
Preparation for bored piling
Fabrication of rebar cages
Loading and Unloading
Portion
A (Land Section)
Site clearance and formation
Timber Scaffolding
Pre-drilling work
Set-up facilities for marine delivery of
concrete from land plants
Slewing of the tele-communication & AA COM
cables
Portion
C
Erection of hoarding & fencing
Pre-drilling work
Protection work to the fuel pipes
Backfilling works
Fabrication of reinforcement cage and piling
jacket, setting up for land piling
work
Western
Water
Pre-drilling Work
Loading and Unloading
Setting up of silt-curtain
Platform installation for pre-drilling works
Installation of temporary casings for the
piling platform
Installation of permanent casing
Bored piling works