1.
This is the 17th 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 June
2014.
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 |
5th, 11th,
17th, 23rd and 27th June 2014. |
|
24-hr TSP Monitoring |
5th, 11th,
17th, 23rd and 27th June 2014. |
|
Noise Monitoring |
6th , 12th
, 18th and 24th June 2014 |
|
Water Quality Monitoring |
3rd, 5th,
7th, 9th, 11th, 13th, 16th,
18th, 20th, 23rd , 25th, 27th
and 30th June 2014 |
|
6th and 9th June 2014 |
|
|
Additional Land-based Dolphin Behaviour
and Movement Monitoring |
3rd and 6th
June 2014 |
|
Environmental Site Inspection |
3rd , 10th,
17th and 27th June 2014 |
|
Archaeological Site Inspection |
26th June 2014 |
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 |
|
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 and no Limit Level exceedances
for suspended solids were recorded. No Action/Limit Level exceedance
for dissolved oxygen and turbidity were recorded.
8.
According to the investigation, no pollution discharge was observed from
the site. In addition, the exceeded result was 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 of rebar materials
Marine
Viaduct (P0 to P80)
Reverse
Circulation Drill (RCD) Method:
Ÿ Construction
of temporary platform for piling works Concreting for pile cap
Ÿ Installation
of piling jackets
Ÿ Dismantling
of piling jackets
Ÿ Pile
excavation and casing installation
Ÿ Inter-face
tests, full depth coring test and sonic test
Ÿ Grouting
works
Kelly
Method:
Ÿ Installation
of temporary piles, platforms permanent casing
Ÿ Removal of
piling platform and temporary pile extraction
Ÿ Pile
excavation
Ÿ Inter-face
tests, full depth coring test and sonic test
Pile Cap
Construction:
Ÿ Installation
of precast cap shells
Ÿ Concreting
Ÿ Rebar
fixing
Ÿ Kingpost
installation and associated steel welding works
Ÿ Concreting
trimming
Works with
Cofferdam:
Ÿ Installation
of waling strut
Ÿ Installation
of shear pin
Ÿ Installation
of temporary working platform
Column
Construction:
Ÿ Casing of
lift columns
Ÿ Column
insert installation, mobilization and temporary works
Deck
Erection:
Ÿ Lifting
frame fabrication in Dongguan
Ÿ Modification
works to the Segment Unloading Frame (SUF) in Portion C
Ÿ Pouring of
the footing for the Segment Unloading Frame at the Southeast Quay
Ÿ Delivery
and assembly of Launching Gantry 2 and Lifting Frame at River Trade Terminal
Land
Viaduct (P85 to Abutment at SHT) & Marine Viaduct (P81 - P84)
Ÿ Drainage
and water main diversion and backfill
Ÿ Pile
construction
Ÿ Pouring of
column
Ÿ Construction
of temporary carriageway for road diversion
Ÿ Piling
platform erection
Ÿ Portal side
formwork erection and
Ÿ Portal falsework erection and soffit formwork
Ÿ Bearing
installation and steel fixing works
Ÿ Concreting
works
Ÿ Dismantling
of falsework system