1.
This is the 9th 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 March and May 2015.
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 |
5th, 11th, 17th,
23rd and 27th March 2015 2nd, 8th, 14th, 20th,
24th and 30th April 2015 6th, 12th, 18th,
22nd and 28th May 2015 |
24-hr TSP Monitoring |
|
Noise Monitoring |
6th, 12th, 18th
and 24th March 2015 9th, 15th, 21st
and 27th April 2015 7th, 13th, 19th
and 29th May 2015 |
Water Quality Monitoring |
2nd, 4th, 6th, 9th,
11th, 13th, 17th, 19th, 21st,
23rd, 25th, 27th and 31st March
2015 2nd, 4th, 6th, 8th,
10th, 13th, 15th, 17th, 20th,
22nd, 24th, 27th and 29th April
2015 2nd, 4th, 6th, 8th,
11th, 13th, 15th, 18th, 20th,
22nd, 25th, 27th and 29th May
2015 |
19th and 27th March 2015 2nd and 13th April 2015 7th and 15th May 2015 |
|
Additional Land-based
Dolphin Behaviour and Movement Monitoring |
9th and 13th March 2015 14th and 20th April 2015 11th and 19th May 2015 |
Environmental Site
Inspection |
3rd, 10th, 17th,
23rd and 31st March 2015 9th, 14th, 21st and
29th April 2015 5th, 12th, 18st and
26th May 2015 |
Archaeological Site
Inspection |
17th March 2015 |
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) |
8 |
6 |
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.
No environmental complaint was received in the reporting period.
Notification of
Summons and Successful Prosecutions
6.
No 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 lifting frames
Deliveries of frame structures
WA7
Fabrication of cofferdam frame structures
Maintenance of Reverse Circulation Drill (RCD)
equipment
Marine
Viaduct (P0 to P80)
Reverse Circulation Drill (RCD) Method:
Temporary platform formation
Installation of Jacket
Dismantling of piling jackets
Pile excavation and casing installation
Inter-face tests, full depth coring test
and sonic test
Grouting works
Pile
Cap Construction:
Installation of precast cap shells
Concreting
Kingpost installation and associated steel
welding works
Concreting trimming
Rock excavation
Steel Fixing works of pile cap
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
Precast
Column Erection
Installation of base units and precast
units
Stressing of vertical nailing tendons
Deck
Erection
Setting up of equipment
Segment erection
Precast
Segment
Segment casting
Land
Viaduct (P81 to Abutment at Scenic Hill Tunnel (SHT))
Pile construction
Pouring of column
Excavation works and waling & struts
installation work
Sewage diversion
Pre-bored sheet pile
Pile cap excavation work and waling &
struts installation
Erection of steel girders and cross beams
Erection of vertical formwork and kickers
Steel fixing for portal
Removal of falsework
Formworks
Construction of temporary foundations
Segment deliveries
Segment erection