1.
This is the 59th 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 December
2017.
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, 8th,
14th, 20th, 26th and 30th December
2017 |
|
24-hr
TSP Monitoring |
4th, 8th,
14th, 20th, 26th and 30th
December 2017 |
|
Noise
Monitoring |
5th,
15th, 21st and 27th December 2017 |
|
Water
Quality Monitoring |
2nd, 4th,
6th, 8th, 12th, 14th, 16th,
18th, 20th, 22nd, 26th, 28th
and 30th December 2017 |
|
4th and 21st
December 2017 |
|
|
Environmental
Site Inspection |
5th, 12th,
19th and 27th December 2017 |
|
Archaeological
Site Inspection |
12th December
2017 |
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 |
Total
No. of Exceedance |
No. of Exceedance related to the Construction Activities of this Contract |
Total 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 |
0 |
0 |
|
24-hr TSP |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
Noise |
Leq(30min) |
0 |
0 |
0 |
0 |
0 |
0 |
|
Water Quality |
Dissolved Oxygen (DO)
(Surface & Middle) |
0 |
0 |
0 |
0 |
0 |
0 |
|
Dissolved Oxygen (DO)
(Bottom) |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
Turbidity |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
Suspended Solids (SS) |
3 |
1 |
4 |
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 exceedances were recorded.
24-hour
TSP Monitoring
5.
All 24-hour TSP monitoring was conducted as scheduled in the reporting
month. No Action/Limit Level exceedances were 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 are three Action
Level and one Limit Level exceedances were recorded for suspended solids. No
Action/Limit Level exceedance for dissolved oxygen and turbidity were recorded.
8.
According to the investigation,
the exceedances are considered not due to the Contract due to the following reasons:
1)
No pollution discharge from construction activity was observed;
2)
Control Station value already exceeded either the Baseline Action or
Limit Levels;
3)
Adverse water quality outside the site boundary was observed while no
pollution source from this Contract was observed and no construction vessel for
this Contract was travelling nearby. Dispersion of sediment plume to the
monitoring stations from the area outside the site boundary (i.e. works area
not under and related to HY/2011/09) was also observed.
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
·
Operation of Asphalt Plant
Ancillary
and Associated Facilities
·
Breaking off the concrete footings for
reinstatement of slope underneath the deck
·
Reinstatement of sloping seawall
·
Installation of precast parapet facial panel
·
Construction of median and side barriers
·
Construction of longitudinal stitching
·
Sealing of deck openings and preparation deck
surface for waterproofing
·
Installation of fire hydrants and fire main
·
Installation of utility trough covers
·
Erection of sign gantry
·
Installation of the additional pier number and
information signs
·
Installation of the headroom sign and vessel
length restriction sign
·
Installation of the height restriction sign
·
Site clearance / formation work to
reinstatement of SPR
·
Construction of concrete carriageway for Chek Lap Kok South Road
realignment*
·
Installation of carrier drains
·
Installation of watermain
·
Laying of asphalt pavement
·
Fill slope and road works for Chek Lap Kok South Road
realignment*
Note:
*Minor Modification Works:-
·Shifting the bus stop location;
·Shifting the old alignment near P109 southward; and
·Re-instating the underground drainage with the new
alignment due to the minor modification works above.
E&M
Works
·
E&M ducting installation
·
E&M works inside SHT building
·
Street light cables and poles installation
·
Cable hanger installation
·
LV and HV cable laying works
·
Cable tray installation of SMS system
·
Cable laying works for HKPF
·
GPS pole installation
·
Installation of electrical sliding barrier
·
Installation of pile cap lighting
·
Installation of radar at radar platform
Removal
of Temporary works at P68 - P70
Deck
Erection
·
Movement joints installation
Turnaround
Facilities
·
Casting of wingslab
·
Casting of roof finishing and ground level
finish of mobile telecom equipment room
·
Apply waterproof membrane for mobile telecom
equipment room
·
Dismantling of sling platform, box girder
support tower and extended platform
·
Installation of Type K1 Kerb
for traffic island
·
Parapet installation
10m at P0
·
Construction of central barrier and side
barriers
·
Construction of the utility trough