1.
This is the 8th monthly Environmental Monitoring and Audit
(EM&A) Report prepared by Cinotech Consultants
Limited for the project “Contract No. HY/2011/09 – Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road – Section between
HKSAR Boundary and Scenic Hill” (hereinafter called the “Contract”). This report documents the findings of EM&A Works conducted in September
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 |
4th, 10th,
16th, 21st and 27th September 2013 |
|
24-hr TSP Monitoring |
4th, 10th,
16th, 21st and 27th September 2013 |
|
Noise Monitoring |
5th, 11th
, 17th, 23rd and 30th September 2013 |
|
Water Quality Monitoring |
2nd, 4th,
6th, 9th, 11th, 14th, 16th,
18th, 21st, 23rd, 25th , 28th
and 30th September 2013 |
|
11th and 19th
September 2013 |
|
|
(1)Additional Land-based Dolphin Behaviour
and Movement Monitoring |
28th and 30th
September 2013 |
|
Environmental Site Inspection |
3rd, 10th,
17th and 27th September 2013 |
|
Archaeological Site Inspection |
10th September 2013 |
Remark:
(1) Additional Land-based Dolphin Behaviour and Movement Monitoring Results will be presented
in a separate report as the results analysis has not finished.
(2) Land-based Dolphin Behaviour and Movement
Monitoring will be conducted on 30 and 31 October 2013 according to the
original approved methodology paper. A revised proposal prepared by the
Dolphin Specialist, Dr. Samuel Hung was submitted on 2 October 2013. EPD
and AFCD subsequently provided advisory comments on this revised proposal on 7
October 2013. A finalized proposal for the Land-based Dolphin Behaviour and
Movement Monitoring will be submitted for approval in due course.
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) |
3 |
1 |
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 three Action Level and one Limit Level exceedances
for suspended solids were recorded.
8.
According to the investigation, no pollution discharge was observed from
the marine works. The exceedances at the monitoring
station which is situated at the upstream of the site and the exceeded results were similar or within the ranges
baseline monitoring results. Therefore, the exceedances
are considered not due to the Contract.
Complaint Log
9.
No 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
Ÿ Fabrication
of rebar cages
Ÿ Fabrication
of temporary piling platforms
WA7
Ÿ Fabrication
of rebar cages
Ÿ Loading and
Unloading
Marine
Viaduct (P0 to P84)
Ÿ Piling
works for the temporary jetty
Ÿ Installation
of temporary casings
Ÿ Pile
excavation by Reverse Circulation Drilling (RCD)
method
Ÿ Pile
excavation by Kelly method
Ÿ Sonic Test
Ÿ Installation
of permanent casing
Ÿ Installation
of temporary piles for piling platform
Ÿ Predrilling works
Land
Viaduct (P85 to P114)
Ÿ Land piling
and concreting works
Ÿ Formation
of piling platform along seawall
Ÿ Site
clearance
Ÿ Formation
of site access along the top of the existing seawall
Ÿ Marine
landing access establishment work
Ÿ Drainage
and water main diversion
Ÿ Predrilling works
Ÿ Concrete
surrounding works for slewed telecommunication cables
Ÿ Trench
excavation for slewing of AAHK’s COM cable
Ÿ Tree
felling/transplant work
Ÿ Pile head
excavation / trimming
Ÿ Pile cap
and column construction