1.
This is the 7th Quarterly 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 performed in the
period between September and November 2014.
Environmental Monitoring
and Audit Progress
2.
A summary of the monitoring activities in this reporting period is
listed in Table I below:
Table I Summary
Table for Monitoring Activities in the Reporting Period
Parameter(s) |
Monitoring Date(s) |
1-hr TSP Monitoring |
3rd, 8th, 12th,
18th, 24th and 30th September 2014 6th, 10th, 16th,
22nd and 28th October 2014 3rd, 7th, 13th,
19th and 25th November 2014 |
24-hr TSP Monitoring |
|
Noise Monitoring |
4th , 10th , 19th and 25th September 2014 3rd , 7th , 13th,
23rd and 29th October 2014 4th , 10th , 20th
and 26th November 2014 |
Water Quality Monitoring |
1st, 3rd, 5th, 8th,
10th, 12th, 15th, 18th, 20th
, 22nd, 24th, 26th and 29th
September 2014 1st, 3rd, 6th, 8th,
10th, 13th, 15th, 17th, 20th
, 22nd, 24th, 27th, 29th and 31st
October 2014 3rd, 5th, 7th,
10th, 12th, 15th, 17th, 19th
, 21st, 24th, 26th and 28th
November 2014 |
10th and 23th September 2014 8th and 22nd October 2014 5th and 17th November 2014 |
|
Additional Land-based
Dolphin Behaviour and Movement Monitoring |
1st and 5th September 2014 20th and 27th October 2014 10th and 24th November 2014 |
Environmental Site
Inspection |
2nd, 10th, 17th,
26th and 30th September 2014 7th, 14th, 21st
and 31st October 2014 4th, 11th, 18th
and 28th November 2014 |
Archaeological Site
Inspection |
30th September
2014 |
Breaches of Action and Limit Levels
3.
Summary of the environmental exceedances of the reporting period is
tabulated in Table II.
Table II Summary
Table for Events Recorded in the Reporting Period
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) |
25 |
23 |
0 |
0 |
|
Dolphin Monitoring |
Line-transect Vessel
Surveys |
0 |
0 |
0 |
0 |
4.
Environmental monitoring works were performed in the reporting period
and all monitoring results were checked and reviewed. The details of each exceedance were
attached in the Monthly EM&A Reports.
Complaint Log
5.
Summary of the environmental complaints of the reporting period is
tabulated in Table III.
Table III Summary
Table for Complaints Recorded in the Reporting Period
Complaint Log Ref. |
Location |
Received Date |
Nature of Complaint |
Com-2014-11-001 |
HZMB-HKLR –
Section between HKSAR Boundary and Scenic Hill (Contract No. HY/2011/09) |
11 November 2014 |
Water Quality and Waste
Management |
Com-2014-11-002 |
HZMB-HKLR –
Section between HKSAR Boundary and Scenic Hill (Contract No. HY/2011/09) |
18 November 2014 |
Water Quality and Waste
Management |
Com-2014-11-003 |
Floating
Concrete Batching Plant (FCBP) |
28 November 2014 |
Water Quality |
Notification of
Summons and Successful Prosecutions
6.
One notification of summons and successful prosecution was received in
the reporting period.
7.
This report has been developed in compliance with the reporting
requirements for the quarterly EM&A Summary Report
as required by the EM&A Manual for Hong Kong Link Road (EM&A Manual).
8.
Major site activities for
the coming reporting month will include:
WA4
Fabrication of rebar cages
Fabrication of temporary piling platforms
WA7
Fabrication of rebar cages
Loading and Unloading of rebar materials
Marine
Viaduct (P0 to P80)
Reverse
Circulation Drill (RCD) Method:
Piling works
Mooring bits and silt curtain installation
Installation of piling jackets
Dismantling of piling jackets
Pile excavation and casing installation
Inter-face tests, full depth coring test
and sonic test
Grouting works
Kelly
Method:
Installation of temporary piles, platforms
permanent casing
Removal of piling platform and temporary
pile extraction
Pile excavation
Inter-face tests, full depth coring test
and sonic test
Toe grouting works
Pile
Cap Construction:
Installation of precast cap shells
Concreting
Kingpost installation and associated steel
welding works
Concreting trimming
Works
with Cofferdam:
Installation of waling strut
Installation of sheet pile
Installation of temporary working platform
Installation of shear pin
Installation of bored pile casing
Excavation works and casting of concrete
plug
Dewatering works and sealing works
Additional welding
Column
Construction:
Lifting works
Lift concreting
Pier head works
Pier head concreting
Column insert installation, mobilization
and temporary works
Deck
Erection:
Lifting frame fabrication in Dongguan
Segment Unloading Frame (SUF) in Portion C
Assembly of Launching Gantry 2 at River Trade
Terminal
Winches test
Assembly and erection of Lifting Frame 2
Erection of segment on pier
Land
Viaduct (P85 to Abutment at SHT) & Marine Viaduct (P81 - P84)
Pile construction
Pouring of column
Pre-bored for sheet pile for cofferdam
construction
Seawall block coring and breaking
formwork erection
Blinding concrete for scaffolding works
Dismantling of steel bracket system
Erection of steel bracket system
Cross road steel portal beams erection and
corresponding falsework erection
Steel girders and cross beams erection