Executive
Summary
1.1 Background
1.2 Scope of Report
1.3 Organization Structure
1.4 Summary of Construction Works
1.5 Summary of EM&A Programme
Requirements
2.1 Air Quality
2.2 Noise Monitoring
2.3 Water Quality Monitoring
2.4 Dolphin Monitoring
2.5 EM&A Site Inspection
2.6 Waste Management Status
2.7 Environmental Licenses and
Permits
2.8 Implementation Status of
Environmental Mitigation Measures
2.9 Summary of Exceedances of the
Environmental Quality Performance Limit
2.10 Summary of Complaints,
Notification of Summons and Successful Prosecutions
3.1 Construction Activities for
the Coming Quarter
3.2 Key Issues for the Coming
Quarter
3.3 Monitoring Schedule for the
Coming Quarter
4 Conclusions
and recommendations
4.1 Conclusions
List of Appendices
Appendix
A Project Organization for Environmental Works
Appendix
B Three Month Rolling Construction Programmes
Appendix
C Implementation Schedule of Environmental Mitigation
Measures (EMIS)
Appendix
D Summary of Action and Limit Levels
Appendix
E EM&A Monitoring Schedules
Appendix
F Impact Air Quality Monitoring Results and Graphical
Presentation
Appendix
G Impact Noise Monitoring Results and Graphical
Presentation
Appendix H Impact Water Quality Monitoring Results and Graphical
Presentation
Appendix I Impact Dolphin Monitoring Survey Results
Appendix J Event Action Plan
Appendix K Quarterly Summary of Waste Flow Table
Under Contract No. HY/2012/07,
Gammon Construction Limited (GCL) is commissioned by the Highways Department (HyD) to undertake the design and construction of the
Southern Connection Viaduct Section of the Tuen Mun – Chek Lap Kok Link Project (TM-CLK Link Project) while AECOM
Asia Company Limited was appointed by HyD as the
Supervising Officer. For implementation
of the environmental monitoring and audit (EM&A) programme
under the Contract, ERM-Hong Kong, Limited (ERM) has been appointed as the
Environmental Team (ET). Ramboll Environ Hong Kong Ltd. was employed by the HyD as the Independent Environmental Checker (IEC) and
Environmental Project Office (ENPO) in accordance with Environmental Permit No. EP-354/2009/A. Further
applications for variation of environmental permit (VEP), EP-354/2009/B, EP-354/2009/C
and EP-354/2009/D, were granted on 28
January 2014, 10 December 2014 and 13 March 2015, respectively.
Part of the Southern Landfall of TM-CLK Link lies
alongside the Hong Kong - Zhuhai - Macao Bridge Hong Kong Boundary Crossing
Facilities (HKBCF) where is a reclamation area constructed by Contract HY/2010/02 under Environmental Permit No. EP/353/2009/I.
Upon the agreement and confirmation between the Supervising Officer
Representatives and Contractors of HY/2010/02
and HY/2012/07 in September 2015,
part of the reclamation area for southern landfall was subsequently handed-over
to Contract No. HY/2012/07.
The construction phase of the Contract commenced on 31
October 2013 and will be tentatively completed by 2018. The impact monitoring of the EM&A programme, including air quality, noise, water quality and
marine ecological monitoring as well as environmental site inspections,
commenced on 31 October 2013.
This is the eighth quarterly EM&A report
presenting the EM&A works carried out during the period from 1 September to
30 November 2015 for the Southern Connection
Viaduct Section in accordance with the Updated EM&A Manual of the
TM-CLK Link Project. As informed by the Contractor, major
activities in the reporting period included:
September 2015
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry assembly;
· Marine piling;
and,
· Installation of
pier head segment.
Land-based
Works
· Predrilling
at Viaduct F;
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Land piling;
· Installation of
pier head segment;
· Additional land
GI, trial pits & lab testing;
· Relocation
of MTRC fence; and,
·
Slope work of Viaduct A.
October 2015
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry assembly;
· Installation of
deck segment and pier head segment.
Land-based
Works
· Predrilling
at Viaduct F;
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Installation of
pier head segment;
· Additional land
GI, trial pits & lab testing;
· Relocation
of MTRC fence; and,
·
Slope work of Viaduct A.
November 2015
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry operation; and
· Installation of
deck segment and pier head segment.
Land-based
Works
· Predrilling
at Viaduct F;
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Installation of
pier head segment;
· Additional land
GI, trial pits & lab testing;
· Relocation
of MTRC fence; and,
·
Slope work of Viaducts A, B & C.
A summary of monitoring and audit activities conducted
in the reporting period is listed below:
24-hour TSP monitoring 17 sessions
1-hour TSP monitoring 17 sessions
Noise monitoring 17
sessions
Water quality monitoring 38 sessions
Dolphin monitoring 6
sessions
Joint Environmental site inspection 13 sessions
Breaches of
Action and Limit Levels for Air Quality
No
exceedance of Action and Limit Levels was recorded for air quality monitoring
in the reporting period.
Breaches of Action
and Limit Levels for Noise
No
exceedance of Action and Limit Levels was recorded for construction noise
monitoring in the reporting period.
Breaches of
Action and Limit Levels for Water Quality
No exceedance of Action and Limit Levels was recorded
for water quality monitoring in the reporting period.
Impact Dolphin
Monitoring
Two (2) Action Level exceedances were
observed for the quarterly dolphin monitoring data between September and
November 2015, no unacceptable impact from the construction activities of the
TM-CLKL Southern Connection Viaduct Section on Chinese White Dolphins was
noticeable from general observations during the dolphin monitoring in this
reporting quarter. The exceedances are
considered unlikely due to the works of this Project upon further
investigation.
Daily
marine mammal exclusion zone monitoring was undertaken during the period of
marine works under this Contract. No
Passive Acoustic Monitoring (PAM) was implemented as the marine piling works
were not carried out outside the daylight hours in this reporting period.
No sighting of the Indo-Pacific humpback dolphin Sousa chinensis (i.e. Chinese White
Dolphin) was recorded in the monitoring period during the exclusion zone
monitoring.
Environmental
Complaints, Non-compliance & Summons
One (1) complaint with regard to potential noise
nuisance from night time works was received on 8 October 2015.
Reporting
Change
There was no reporting change in this reporting
period.
Upcoming
Works for the Next Reporting Period
Works to be undertaken in the coming quarter include
the following:
December 2015
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry operation; and
· Installation of
deck segment and pier head segment.
Land-based
Works
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Predrilling
at Viaduct F;
· Additional land
GI, trial pits & lab testing;
· Installation of
pier head segment; and
·
Slope work of Viaducts A, B & C.
January 2016
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry operation; and
· Installation of
deck segment and pier head segment.
Land-based
Works
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Predrilling
at Viaduct F;
· Additional land
GI, trial pits & lab testing;
· Installation of
pier head segment; and
·
Slope work of Viaducts A, B & C.
February 2016
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry operation; and
· Installation of
deck segment and pier head segment.
Land-based
Works
· Construction and
installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Predrilling
at Viaduct F;
· Additional land
GI, trial pits & lab testing;
· Installation of
pier head segment; and
·
Slope work of Viaducts A, B & C.
Future Key
Issues
Potential environmental impacts arising from the above
upcoming construction activities in the coming quarterly period are mainly
associated with air quality, noise, marine water quality, marine ecology and
waste management issue.
According to the findings of the Northwest New
Territories (NWNT) Traffic and Infrastructure Review conducted by the Transport
Department, Tuen Mun Road,
Ting Kau Bridge, Lantau Link and North Lantau Highway
would be operating beyond capacity after 2016.
This forecast has been based on the estimated increase in cross boundary
traffic, developments in the Northwest New Territories (NWNT), and possible
developments in North Lantau, including the Airport developments, the Lantau
Logistics Park (LLP) and the Hong Kong – Zhuhai – Macao Bridge (HZMB). In order to cope with the anticipated traffic
demand, two new road sections between NWNT and North Lantau – Tuen Mun – Chek
Lap Kok Link (TM-CLKL) and Tuen
Mun Western Bypass (TMWB) are proposed.
An Environmental Impact Assessment (EIA) of TM-CLKL
(the Project) was prepared in accordance with the EIA Study Brief (No. ESB-175/2007) and the Technical Memorandum of the Environmental
Impact Assessment Process (EIAO-TM). The EIA Report was submitted under the
Environmental Impact Assessment Ordinance (EIAO) in August 2009. Subsequent to the approval of the EIA Report
(EIAO Register Number: AEIAR-146/2009),
an Environmental Permit (EP-354/2009)
for TM-CLKL was granted by the Director of Environmental Protection (DEP) on 4
November 2009, and EP variation (EP-354/2009A)
was issued on 8 December 2010. Further
applications for variation of environmental permit (VEP), EP-354/2009/B, EP-354/2009/C
and EP-354/2009/D, were granted on 28
January 2014, 10 December 2014 and 13 March 2015, respectively.
Under Contract No. HY/2012/07,
Gammon Construction Limited (GCL) is commissioned by the Highways Department (HyD) to undertake the design and construction of the
Southern Connection Viaduct Section of TM-CLKL (“the Contract”) while AECOM
Asia Company Limited was appointed by HyD as the
Supervising Officer. For implementation
of the environmental monitoring and audit (EM&A) programme
under the Contract, ERM-Hong Kong, Limited (ERM) has been appointed as the
Environmental Team (ET). Ramboll Environ Hong Kong Ltd. was employed by HyD as the Independent Environmental Checker (IEC) and
Environmental Project Office (ENPO) in accordance with Environmental Permit No. EP-354/2009/A.
Part of the Southern Landfall of TM-CLK Link lies
alongside the Hong Kong - Zhuhai - Macao Bridge Hong Kong Boundary Crossing
Facilities (HKBCF) where is a reclamation area constructed by Contract HY/2010/02 under Environmental Permit No. EP/353/2009/I.
Upon the agreement and confirmation between the Supervising Officer
Representatives and Contractors of HY/2010/02
and HY/2012/07 in September 2015,
part of the reclamation area for southern landfall was subsequently handed-over
to Contract No. HY/2012/07.
Table 1.1 Contact Information of Key Personnel
Party |
Position |
Name |
Telephone |
Fax |
SOR (AECOM Asia
Company Limited) |
Chief
Resident Engineer |
Daniel Ip |
3553 3800 |
2492 2057 |
|
Resident Engineer |
Kingman Chan |
3691 2950 |
3691 2899 |
ENPO / IEC (Ramboll Environ Hong Kong Ltd.) |
ENPO Leader |
Y.H. Hui |
3547 2133 |
3465 2899 |
IEC |
Dr. F.C.
Tsang |
3547 2134 |
3465 2899 |
|
Contractor (Gammon
Construction Limited) |
Environmental
Manager |
Brian Kam |
3520 0387 |
3520 0486 |
Environmental
Officer |
Roy Leung |
3520 0387 |
3520 0486 |
|
|
24-hour
Complaint Hotline |
|
9738 4332 |
|
ET (ERM-HK) |
ET Leader |
Jovy Tam |
2271 3113 |
2723 5660 |
September 2015
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching gantry
assembly;
· Marine piling;
and,
· Installation of
pier head segment.
Land-based
Works
· Predrilling
at Viaduct F;
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Land piling;
· Installation of
pier head segment;
· Additional land
GI, trial pits & lab testing;
· Relocation
of MTRC fence; and,
·
Slope work of Viaduct A.
October 2015
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pile
cap installation;
· Pier
construction;
· Launching
gantry assembly;
· Installation of
deck segment and pier head segment.
Land-based
Works
· Predrilling
at Viaduct F;
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Installation of
pier head segment;
· Additional land
GI, trial pits & lab testing;
· Relocation
of MTRC fence; and,
·
Slope work of Viaduct A.
November 2015
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry operation; and
· Installation of
deck segment and pier head segment.
Land-based
Works
· Predrilling
at Viaduct F;
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Installation of
pier head segment;
· Additional land
GI, trial pits & lab testing;
· Relocation
of MTRC fence; and,
·
Slope work of Viaducts A, B & C.
The
locations of the construction activities are shown in Figure 1.3. The
Environmental Sensitive Receivers in the vicinity of the Project are shown in Figure 1.4.
|
Figure 1.3 Locations of Construction Activities in
the Reporting Period
The EM&A programme
required environmental monitoring for air quality, noise, water quality and marine
ecology as well as environmental site inspections for air quality, noise, water
quality, waste management, marine ecology and landscape and visual
impacts. The EM&A requirements and
related findings for each component are described in the following sections,
which include:
· Monitoring
parameters;
· Monitoring
schedules for the reporting months and forthcoming months;
· Action
and Limit levels for all environmental parameters;
· Event
Action Plan;
· Results
and observations;
· Environmental
mitigation measures, as recommended in the approved EIA Report; and
· Environmental
requirement in contract documents.
The EM&A programme
required environmental monitoring for air quality, noise, water quality and
marine ecology as well as environmental site inspections for air quality,
noise, water quality, waste management, marine ecology and landscape and visual
impacts. The EM&A requirements and
related findings for each component are summarized in the following sections.
The baseline air quality monitoring undertaken by the
Hong Kong – Zhuhai –Macao Bridge Hong Kong Projects (HKZMB) during October 2011
has included the two monitoring stations ASR9A and ASR9C for this project. Thus, the baseline monitoring results and
Action/ Limit Level presented in HKZMB Baseline Monitoring Report ([1])
are adopted for this Project.
Wind data monitoring equipment was installed at Area 4
during the reporting period for logging wind speed and wind direction. The wind sensor was setup such that it was
clear of obstructions or turbulence caused by building. The wind data monitoring equipment is
recalibrated at least once every six months.
Table 2.1 Locations of Impact Air Quality
Monitoring Stations and Monitoring Dates in this Reporting Period
Monitoring Station (1) |
Monitoring Period |
Location |
Description |
Parameters & Frequency |
ASR8A |
2, 8, 14,
17, 23 and 29 September 2015; 5, 8, 14,
20, 26 and 29 October 2015; 4, 10, 16,
19 and 25 November 2015 |
Area 4 |
On ground at
the Area 4 |
1-hour Total Suspended Particulates (1-hour TSP, µg/m3), 3
times per day every 6 days
24-hour Total
Suspended Particulates (24-hour TSP, µg/m3), daily for 24-hour
every 6 days |
ASR9 |
MTR Depot |
On the
ground nearby MTR Depot Entrance |
Note:
(1) Air Quality Monitoring Stations ASR9A and ASR9C at Siu
Ho Wan MTRC Depot proposed in accordance with the Updated EM&A were
relocated to ASR9 and ASR8A respectively.
Table
2.2 Air Quality
Monitoring Equipment
Equipment |
Brand and Model |
High
Volume Sampler |
Tisch Environmental Mass Flow Controlled Total Suspended Particulate (TSP) High Volume Sampler (Model No. TE-5170) |
Wind
Sensor |
Global
Water (Wind Speed Sensor: WE550; Wind Direction Sensor: WE570) |
Wind
Anemometer for calibration |
Lutron
(Model No. AM-4201) |
The Action and Limit Levels of the air quality
monitoring are provided in Appendix D. The Event and Action plan is presented in Appendix J.
The schedules for air quality monitoring in the
reporting quarter are provided in Appendix E.
The monitoring results for 1-hour TSP and 24-hour TSP
are summarized in Tables 2.3 and 2.4, respectively. Monitoring results are presented graphically
in Appendix F.
Detailed impact air quality monitoring results and meteorological
information were reported in the Twenty-third
to Twenty-fifth Monthly EM&A Reports.
Table 2.3 Summary of 1-hour TSP Monitoring Results
in this Reporting Period
Month |
Station |
Average (µg/m3) |
Range (µg/m3) |
Action Level (µg/m3) |
Limit Level (µg/m3) |
September
2015 |
ASR 8A |
86 |
43
- 188 |
394 |
500 |
ASR 9 |
86 |
58
- 173 |
393 |
500 |
|
October 2015 |
ASR 8A |
74 |
43
- 145 |
394 |
500 |
ASR 9 |
84 |
45
- 172 |
393 |
500 |
|
November
2015 |
ASR 8A |
91 |
54
- 157 |
394 |
500 |
ASR 9 |
105 |
53
- 181 |
393 |
500 |
Table 2.4 Summary of 24-hour TSP Monitoring
Results in this Reporting Period
Month |
Station |
Average (µg/m3) |
Range (µg/m3) |
Action Level (µg/m3) |
Limit Level (µg/m3) |
September
2015 |
ASR 8A |
59 |
46
– 91 |
178 |
260 |
ASR 9 |
60 |
50
– 73 |
178 |
260 |
|
October 2015 |
ASR 8A |
59 |
43
- 82 |
178 |
260 |
|
ASR 9 |
71 |
41
- 112 |
178 |
260 |
November
2015 |
ASR 8A |
64 |
51
- 91 |
178 |
260 |
|
ASR 9 |
74 |
55
- 98 |
178 |
260 |
The major dust sources in the reporting period include
construction activities under the Contract as well as nearby traffic emissions.
In this reporting period, a total of seventeen (17)
monitoring events were undertaken within the reporting period, in which no
Action or Limit Level exceedance for 1-hour and 24-hour TSP for air quality was
recorded during the reporting period.
The baseline noise monitoring undertaken by the Hong
Kong – Zhuhai – Macao Bridge Hong Kong Projects (HKZMB) during the period of 18
October to 1 November 2011 has included the monitoring station NSR1 for this
project. Thus, the baseline monitoring
results and Action/ Limit Level presented in HKZMB Baseline Monitoring Report ([2])
are adopted for this Project.
In accordance with the Updated EM&A Manual, impact
noise monitoring should be conducted once per week during the construction
phase of the Contract.
Noise monitoring was conducted at the alternative
noise monitoring station, NSR1A (Pak Mong Village
Pavilion) during the reporting period in accordance with the requirement of
Updated EM&A Manual. Figure 2.2 shows the
location of the monitoring station.
Table 2.5 describes the details of the monitoring station.
Noise monitoring was performed using sound level meter
at the designated monitoring station in the reporting quarter. The deployed sound level meter complies with
the International Electrotechnical Commission
Publications (IEC) 651:1979 (Type 1) and 804:1985 (Type 1) specifications. Acoustic calibrator was deployed to check the
sound level meter at a known sound pressure level. Brand
and model of the equipment is given in
Table 2.6.
Table 2.5 Location of Impact Noise Monitoring
Station and Monitoring Dates in this Reporting Period
Monitoring Station |
Monitoring Period |
Location |
Parameters & Frequency |
NSR1A |
2, 8, 14, 17,
23 and 29 September 2015; 5, 8, 14,
20, 26 and 29 October 2015; 4, 10, 16,
19 and 25 November 2015 |
Pak Mong Village Pavilion |
30-mins
measurement at each monitoring station between 0700 and 1900 on normal
weekdays (Monday to Saturday). Leq, L10
and L90 would be recorded. At
least once a week |
Note: (1)
Noise Monitoring Station NSR1 at Pak Mong Village proposed in accordance with the Updated
EM&A was relocated to NSR1A. |
Table 2.6 Noise Monitoring Equipment
Equipment |
Brand and Model |
Integrated
Sound Level Meter |
Rion
NL-31 |
Acoustic
Calibrator |
Rion
NC-73 |
The Action and Limit levels of the noise monitoring
are provided in Appendix D. The Event and Action plan is presented in Appendix J.
The schedules for noise monitoring in the reporting
quarter are provided in Appendix E.
The monitoring results for noise monitoring are
summarized in Table 2.7. Monitoring results are presented graphically
in Appendix G and detailed impact noise monitoring results
are reported in the Twenty-third to Twenty-fifth Monthly EM&A Reports.
Table 2.7 Summary of Construction Noise Monitoring
Results at NSR1A in the Reporting Period
Month |
Average , dB(A), Leq (30mins) |
Range, dB(A), Leq (30mins) |
Limit Level, dB(A), Leq (30mins) |
September
2015 |
59 |
58
- 59 |
75 |
October 2015 |
58 |
57
- 60 |
75 |
November
2015 |
59 |
57
- 60 |
75 |
A total of seventeen (17) monitoring events were undertaken
in the reporting period with no Action Level and Limit Level exceedance
recorded at the monitoring station in the reporting period. No action is thus required to be undertaken
in accordance with the Event Action Plan presented in Appendix J.
Major noise sources during the noise monitoring
included construction activities, nearby traffic noise and aircraft noise.
The baseline water quality monitoring undertaken by
the Hong Kong – Zhuhai – Macao Bridge Hong Kong Projects (HKZMB) between 6 and
31 October 2011 has included all monitoring stations except SR4a for the
Project. Thus, the baseline monitoring
results except for station SR4a and Action/Limit Level presented in HKZMB
Baseline Monitoring Report ([3])
are adopted for this Project. Baseline
water quality monitoring was conducted at station SR4a from 29 August to 24
September 2013.
Table 2.8 Locations of Water Quality Monitoring
Stations and the Corresponding Monitoring Requirements
Station ID |
Type |
Coordinates |
*Parameters,
unit |
Depth |
Frequency |
|
|
|
Easting |
Northing |
|
|
|
IS(Mf)9 |
Impact Station (Close to HKBCF construction site) |
813273 |
818850 |
Temperature(°C)
pH(pH unit)
Turbidity (NTU)
Water depth (m)
Salinity (ppt)
DO (mg/L and %
of saturation) ·
SS (mg/L) |
3 water depths:
1m below sea
surface, mid-depth and 1m above sea bed. If the water depth is less than 3m,
mid-depth sampling only. If water depth
less than 6m, mid-depth may be omitted. |
Impact monitoring: 3 days
per week, at mid-flood and mid-ebb tides during the construction period of
the Contract. |
IS(Mf)16 |
Impact
Station (Close to HKBCF construction site) |
814328 |
819497 |
|||
IS8 |
Impact
Station(Close to HKBCF construction site) |
814251 |
818412 |
|||
SR4 |
Sensitive
receiver (Tai Ho Inlet) |
814760 |
817867 |
|||
SR4a |
Sensitive
receiver |
815247 |
818067 |
|||
CS(Mf)3 |
Control
Station |
809989 |
821117 |
|||
CS(Mf)5 |
Control
Station |
817990 |
821129 |
|||
Notes: In addition to the parameters presented
monitoring location/position, time, water depth, sampling depth, tidal
stages, weather conditions and any special phenomena or works underway nearby
were also recorded. |
Table 2.9 summarizes the equipment
used in the impact water quality monitoring programme.
Table
2.9 Water Quality Monitoring
Equipment
Equipment |
Brand and Model |
DO, Temperature meter and Salinity |
YSI Pro2030 |
Turbidimeter |
HACH Model 2100Q |
pH meter
|
Thermo Scientific Orion 2 Star |
Positioning Equipment |
Koden913MK2 with KBG-3 DGPS antenna |
Water Depth Detector |
Speedtech Instrument SM-5 |
Water Sampler |
Kemmerer 1520 (1520-C25) 2.2L with messenger |
The schedules for water quality monitoring in the reporting
quarter are provided in Appendix E. The water quality monitoring on 3 October
2015 was cancelled due to adverse weather.
Impact water quality monitoring was conducted at all
designated monitoring stations in the reporting period. Monitoring results are presented graphically
in Appendix H and detailed impact water quality monitoring
results were reported in the Twenty-third
to Twenty-fifth Monthly EM&A Reports.
In this reporting period, a total of thirty-eight (38)
monitoring events were undertaken with no Action Level and Limit Level
exceedance recorded at the monitoring station in the reporting period. No action is thus required to be undertaken
in accordance with the Event Action Plan presented in Appendix J.
Impact dolphin monitoring is required to be conducted by
a qualified dolphin specialist team to evaluate whether there have been any
effects on the dolphins. In order to
fulfil the EM&A requirements and make good use of available resources, the
on-going impact line transect dolphin monitoring data collected by HyD’s Contract No. HY/2011/03 Hong
Kong-Zhuhai-Macao Bridge. Hong Kong Link Road - Section between Scenic
Hill and Hong Kong Boundary Crossing Facilities on the monthly basis is
adopted to avoid duplicates of survey effort.
Table 2.10
summarizes the equipment used for the impact dolphin monitoring.
Table 2.10 Dolphin Monitoring Equipment
Equipment |
Model |
Global Positioning
System (GPS) Camera Laser Binoculars Marine Binocular Vessel for
Monitoring |
Garmin 18X-PC Geo One Phottix Nikon D90 300m 2.8D fixed focus Nikon D90 20-300m zoom lens Infinitor LRF 1000 Bushell 7 x 50 marine binocular with compass and reticules 65 foot single engine motor vessel with viewing platform 4.5m above
water level |
Dolphin monitoring should cover all transect lines in
Northeast Lantau (NEL) and the Northwest Lantau (NWL) survey areas twice per
month throughout the entire construction period. The monitoring data should be compatible
with, and should be made available for, long-term studies of small cetacean
ecology in Hong Kong. In order to
provide a suitable long-term dataset for comparison, identical methodology and
line transects employed in baseline dolphin monitoring was followed in the
impact dolphin monitoring.
The impact dolphin monitoring was carried out in the
NEL and NWL along the line transect as depicted in Figure 2.4. The co-ordinates of all transect lines are
shown in Table 2.11 below.
Table 2.11 Impact Dolphin Monitoring Line Transect
Co-ordinates
Line No. |
Easting |
Northing |
Line No. |
Easting |
Northing |
||
1 |
Start
Point |
804671 |
814456 |
13 |
Start
Point |
816506 |
819480 |
1 |
End
Point |
804671 |
831404 |
13 |
End
Point |
816506 |
824859 |
2 |
Start
Point |
805475 |
815913 |
14 |
Start
Point |
817537 |
820220 |
2 |
End
Point |
805477 |
826654 |
14 |
End
Point |
817537 |
824613 |
3 |
Start
Point |
806464 |
819435 |
15 |
Start
Point |
818568 |
820735 |
3 |
End
Point |
806464 |
822911 |
15 |
End
Point |
818568 |
824433 |
4 |
Start
Point |
807518 |
819771 |
16 |
Start
Point |
819532 |
821420 |
4 |
End
Point |
807518 |
829230 |
16 |
End
Point |
819532 |
824209 |
5 |
Start
Point |
808504 |
820220 |
17 |
Start
Point |
820451 |
822125 |
5 |
End
Point |
808504 |
828602 |
17 |
End
Point |
820451 |
823671 |
6 |
Start
Point |
809490 |
820466 |
18 |
Start
Point |
821504 |
822371 |
6 |
End
Point |
809490 |
825352 |
18 |
End
Point |
821504 |
823761 |
7 |
Start
Point |
810499 |
820880 |
19 |
Start
Point |
822513 |
823268 |
7 |
End
Point |
810499 |
824613 |
19 |
End
Point |
822513 |
824321 |
8 |
Start
Point |
811508 |
821123 |
20 |
Start
Point |
823477 |
823402 |
8 |
End
Point |
811508 |
824254 |
20 |
End
Point |
823477 |
824613 |
9 |
Start
Point |
812516 |
821303 |
21 |
Start
Point |
805476 |
827081 |
9 |
End
Point |
812516 |
824254 |
21 |
End
Point |
805476 |
830562 |
10 |
Start
Point |
813525 |
820872 |
22 |
Start
Point |
806464 |
824033 |
10 |
End
Point |
813525 |
824657 |
22 |
End
Point |
806464 |
829598 |
11 |
Start
Point |
814556 |
818853 |
23 |
Start
Point |
814559 |
821739 |
11 |
End
Point |
814556 |
820992 |
23 |
End
Point |
814559 |
824768 |
12 |
Start
Point |
815542 |
818807 |
|
|
|
|
12 |
End
Point |
815542 |
824882 |
|
|
|
|
The action and limit levels of dolphin impact
monitoring are shown in Appendix D. The Event and Action plan is presented in Appendix J.
The dolphin monitoring schedules for the reporting
period are shown in Appendix E.
A total of 902.25 km of survey effort was collected,
with 95.0% of the total survey effort being conducted under favourable
weather conditions (i.e. Beaufort Sea State 3 or below with good
visibility). Among the two areas, 346.64
km and 555.61 km of survey effort were conducted in NEL and NWL survey areas
respectively. The total survey effort
conducted on primary lines was 656.41 km, while the effort on secondary lines
was 245.84 km. Survey effort conducted
on both primary and secondary lines were considered as on-effort survey
data. The survey efforts are summarized
in Appendix I.
During the six sets of monitoring surveys in September
to November 2015, a total of eighteen (18) groups of ninety-five (95) Chinese
White Dolphins were sighted. All dolphin
sightings were made during on-effort search, and all except one (1) dolphin
sighting were made on primary lines. In
this quarterly period, all dolphin groups were sighted in NWL. Summary table of the dolphin sightings is
shown in Appendix I.
Encounter rates of Chinese White Dolphins deduced from
the survey effort and on-effort sighting data from the primary transect lines
under favourable conditions (Beaufort 3 or below) in
the reporting period with the results presented in Tables 2.12 and 2.13.
Table 2.12 Individual Survey Event Encounter Rates
Survey Area |
Survey
period |
Encounter rate (STG) (no. of
on-effort dolphin sightings per 100 km of survey effort) |
Encounter rate (ANI) (no. of
dolphins from all on-effort sightings per 100 km of survey effort) |
Primary Lines Only |
Primary Lines Only |
||
NEL |
Set 1: Sept 2nd / 11th |
0.0 |
0.0 |
Set 2: Sept 17th / 29th |
0.0 |
0.0 |
|
Set 3: Oct 6th / 13th |
0.0 |
0.0 |
|
Set 4: Oct 19th / 26th |
0.0 |
0.0 |
|
Set 5: Nov 2nd / 6th |
0.0 |
0.0 |
|
Set 6: Nov 10th / 16th |
0.0 |
0.0 |
|
NWL |
Set 1: Sept 2nd / 11th |
5.5 |
52.0 |
Set 2: Sept 17th / 29th |
4.0 |
21.4 |
|
Set 3: Oct 6th / 13th |
5.9 |
24.9 |
|
Set 4: Oct 19th / 26th |
2.7 |
10.9 |
|
Set 5: Nov 2nd / 6th |
3.8 |
15.4 |
|
Set 6: Nov 10th / 16th |
1.7 |
1.7 |
Note: Dolphin
Encounter Rates are deduced from the six sets of surveys (two surveys in each
set) in the reporting period in Northeast (NEL) and Northwest Lantau (NWL)
Table 2.13 Quarterly Average Encounter Rates
Survey Area |
Encounter rate (STG) (no. of on-effort dolphin sightings per 100 km of
survey effort) |
Encounter rate (ANI) (no. of dolphins from all on-effort sightings per
100 km of survey effort) |
||
September - November 2015 |
September -November 2011 |
September - November 2015 |
September -November 2011 |
|
Northeast
Lantau |
0.0 |
6.00 ± 5.05 |
0.0 |
22.19 ± 26.81 |
Northwest
Lantau |
3.94 ± 1.57 |
9.85 ± 5.85 |
21.05 ± 17.19 |
44.66 ± 29.85 |
Note: encounter rates deduced from the baseline monitoring
period (September – November 2011) have been recalculated based only on survey
effort and on-effort sighting data made along the primary transect lines under favourable conditions
Table 2.14 Comparison of Quarterly Average Encounter
Rates
|
Average Dolphin Group Size |
|
September - November 2015 |
September - November 2011 |
|
Overall |
5.28 ± 3.54 (n =
18) |
3.72 ± 3.13 (n =
66) |
Northeast Lantau |
N/A (n = 0) |
3.18 ± 2.16 (n =
17) |
Northwest Lantau |
5.28 ± 3.54 (n =
18) |
3.92 ± 3.40 (n =
49) |
Although the dolphins infrequently occurred along the
alignment of TM-CLKL Southern Connection Viaduct in the past and during the
baseline monitoring period, it is apparent that dolphin usage has been
significantly reduced in NEL, and many individuals have shifted away from the
important habitat around the Brothers Islands.
Daily
marine mammal exclusion zone monitoring was undertaken during the period of
marine works under this Contract. No
sighting of the Indo-Pacific humpback dolphin Sousa chinensis (i.e. Chinese White Dolphin)
was recorded in the monitoring period during the exclusion zone monitoring.
Passive Acoustic Monitoring (PAM) was
decommissioned in this reporting period as no marine piling works was carried
out outside the daylight hours since September 2015. Daytime marine mammal exclusion zone was
still in effect to cater for temporary staging installation and uninstallation
works.
Site inspections were carried out on a weekly basis to
monitor the implementation of proper environmental pollution control and
mitigation measures under the Contract.
Thirteen (13) site inspections were carried out in the reporting quarter
on 2, 9, 16, 24 and 29 September 2015; 7, 12, 20 and 30 October 2015.; 4, 11,
18 and 26 November 2015.
Key observations during the site
inspections in this reporting period are summarized in Table 2.15.
Table 2.15 Specific Observations Identified during
the Weekly Site Inspection in this Reporting Period
Inspection Date |
Location & Environmental Observations |
Recommendations/ Remarks |
2 September
2015 |
Area 1
Stagnant water was
accumulated in a drip tray for generator. Pier C13 A skip for waste was full. |
Area 1
Stagnant water in drip
tray should be removed. Pier C13
Waste should be cleaned up regularly. |
9 September
2015 |
Pier A2 A
drip tray for generator was not plugged. Stagnant
water was accumulated in gutter. Some
chemical containers were not placed in drip tray. Pier E9
Stagnant water was accumulated
in a drip tray for generator. |
Pier A2 Drip
tray for generator should be plugged. Stagnant
water in gutter should be cleaned up regularly. Chemical
containers should be placed in drip tray. Pier E9 Stagnant
water in drip tray should be removed. |
16 September
2015 |
Abutment D An
old EP was displayed. The
exposed area was partially dry. |
Abutment D The
old EP was removed immediately. Only the latest EP should be displayed. Watering
should be applied to the exposed area regularly. |
24 September
2015 |
Abutment D Stockpile was not well covered. Pier E9 Excess
soil was found in gutter.
Gutter was not properly installed. Barge Sai
Hoi A
drip tray was not plugged. A
generator was not properly placed on decoupling pad. |
Abutment D Stockpile should be well covered. Pier E9 Excess
soil in gutter should be removed regularly.
Gutter should be properly installed. Barge Sai
Hoi Drip
tray should be plugged. Generator
should be properly placed on decoupling pad. |
29 September
2015 |
Pier E4 A
drip tray for generator was not plugged. A
generator was not well placed on decoupling pad.
No bund or gutter was found at the edge of platform. Pier E13AB
Surface water on platform was not well retained or collected. |
Pier E4 Drip
tray for generator should be plugged. Generator
should be well placed on decoupling pad.
Surface runoff control measures should be provided on the platform. Pier E13AB
Surface runoff control measures should be provided on the platform. |
7 October
2015 |
Area 1
Checklist for a wetsep was not displayed.
Some chemical containers
were not labelled.
Refuse was found in
drainage. Proper outlet was not installed. |
Area 1
Wetsep should be checked
regularly and its checklist should be displayed.
Chemical containers should
be properly labelled.
Drainage should be cleaned
up regularly. Proper outlet should be installed for wetsep. |
12 October
2015 |
Seafront
Stagnant water was found
in drip tray for generator. Pier E4
Sandbags were insufficient
to avoid runoff on platform. Pier E8
Stagnant water was found
in drip tray for generator.
Sandbags were insufficient
to avoid runoff on platform. |
Seafront
Stagnant water should be regularly
cleaned up. Pier E4
Sandbags should be
provided if runoff collection is not available. Pier E8
Stagnant water should be
regularly cleaned up.
Sandbags should be
provided if runoff collection is not available. |
20 October
2015 |
Site Access
6A
A chemical container was
not placed in drip tray.
Refuse was found in
drainage Abutment D
The old EP was displayed.
The exposed area was dry. Area 1
The exposed area was dry. |
Site Access
6A
Chemical container should
be placed in drip tray.
Refuse in drainage should
be cleaned up regularly. Abutment D
Only the most updated EP
should be displayed.
Exposed area should be
watered regularly. Area 1
Exposed area should be
watered regularly. |
30 October
2015 |
Seafront
Some chemical containers were
placed without drip tray. |
Seafront Chemical containers should be placed in drip tray. |
4 November
2015 |
Pier E4
Oil stain was found on
platform. Pier E11
Surface runoff control on
platform was insufficient. Pier E12 A generator was not placed on decoupling pad. |
Pier E4
Oil stain should be
cleaned up. Pier E11
Gutter or sandbag should
be provided for control of wastewater runoff. Pier E12
A generator should be
placed on decoupling pad. |
11 November
2015 |
Site Access 6A
Refuse was found in
drainage.
Chemical containers were
not placed in drip tray. Area 2
Soil stockpile was not
covered. Slope B/C9
An air compressor was not
placed in drip tray. |
Site Access 6A
Refuse in drainage should be
cleaned up regularly.
Chemical containers should
be placed in drip tray. Area 2
Soil stockpile should be
covered by tarpaulin sheet. Slope B/C9
An air compressor should
be placed in drip tray. |
18 November
2015 |
Pier A1 A
drip tray was not plugged. Seafront Refuse
was accumulated onsite. A
Chemical container near Pier B8 was not placed in drip tray |
Pier A1 Drip
tray should be plugged. Seafront Refuse
should be cleaned up regularly. The
chemical container should be placed in drip tray. |
26 November
2015 |
Pier E10 Drip
trays were found unplugged. Excessive
soil was found in gutter. |
Pier E10 Drip
trays should be plugged. Excessive
soil in gutter should be cleaned up regularly. |
Wastes generated during this reporting period include
mainly construction wastes (inert and non-inert), recyclable materials and
chemical wastes. Reference has been made
to the waste flow table prepared by the Contractor (Appendix K). The quantities of different types of wastes
are summarized in Table 2.16.
Table 2.16 Quantities of Different Waste Generated in
the Reporting Period
Month / Year |
Inert Construction Waste (a)
(m3) |
Imported Fill (m3) |
Inert Construction Waste
Re-used (m3) |
Non-inert Construction Waste (b)
(kg) |
Recyclable Materials (c) (kg) |
Chemical Wastes (kg) |
Marine Sediment (m3) |
||||||||
Category L |
Category M |
||||||||||||||
September
2015 |
3,525 |
0 |
623 |
66,680 |
105 |
600 |
0 |
0 |
|
||||||
October
2015 |
1,635 |
0 |
651 |
102,080 |
84 |
0 |
0 |
0 |
|
||||||
November
2015 |
204 |
0 |
725 |
64,740 |
98 |
2,000 |
0 |
0 |
|
||||||
Total |
5,364 |
0 |
1,999 |
233,500 |
287 |
2,600 |
0 |
0 |
|
||||||
Notes: |
|||||||||||||||
(a) Inert
construction wastes include hard rock and large broken concrete, and
materials disposed as public fill. (b) Non-inert
construction wastes include general refuse disposed at landfill. (c) Recyclable
materials include metals, paper, cardboard, plastics, timber and others. |
|||||||||||||||
The Contractor was advised to properly maintain on
site C&D materials and waste collection, sorting and recording system,
dispose of C&D materials and wastes at designated ground and maximize
reuse/ recycle of C&D materials and wastes.
The Contractor was also reminded to properly maintain the site tidiness
and dispose of the wastes accumulated on site regularly and properly.
For chemical waste containers, the Contractor was
reminded to treat properly and store temporarily in designated chemical waste
storage area on site in accordance with the Code
of Practice on the Packaging, Labelling and Storage of Chemical Wastes.
The status of environmental licensing and permit is
summarized in Table 2.17 below.
Table 2.17 Summary of Environmental Licensing and Permit
Status
License/ Permit |
License
or Permit No. |
Date of
Issue |
Date of
Expiry |
License/
Permit Holder |
Remarks |
Environmental Permit |
EP-354/2009/D |
13-Mar-15 |
N/A |
HyD |
Tuen Mun-
Chek Lap Kok Link |
Environmental Permit |
EP-353/2009/I |
17-Jul-15 |
N/A |
HyD |
Hong Kong Boundary Crossing
Facilities |
Chemical Waste Registration |
5213-951-G2380-17 |
12-Jun-14 |
N/A |
GCL |
Viaducts A, B, C, D & E |
Chemical Waste Registration |
5213-961-G2380-13 |
10-Oct-13 |
N/A |
GCL |
Chemical waste produced in
Contract HY/2012/07 (Area 1 adjacent to Cheng Tung Road, Siu Ho Wan) |
Chemical Waste Registration |
5213-961-G2380-14 |
10-Oct-13 |
N/A |
GCL |
Chemical waste produced in Contract
HY/2012/07 (Area 2 adjacent to Cheung Tung Road, Pak Mong Village) |
Chemical Waste Registration |
5213-974-G2588-03 |
04-Nov-13 |
N/A |
GCL |
Chemical waste produced in
Contract HY/2012/07 (WA5 adjacent to Cheung Tung Road, Yam O) |
Construction Dust Notification |
361571 |
05-Jul-13 |
N/A |
GCL |
|
Construction Dust Notification |
362093 |
17-Jul-13 |
N/A |
GCL |
For Area 23 |
Construction Noise Permit |
Nil |
N/A |
N/A |
GCL |
For Piling Works |
Construction Noise Permit for night
works and works in general holidays |
GW-RS0691-15 |
23-Jun-15 |
22-Dec-15 |
GCL |
For Broad Permit |
Construction Noise Permit for
night works and works in general holidays |
GW-RS0769-15 |
15-Jul-15 |
30-Sep-15 |
GCL |
TTA Case 009 Ch.2.1E-4.2E |
Construction Noise Permit for
night works and works in general holidays |
GW-RS0809-15 |
29-Jul-15 |
29-Jan-16 |
GCL |
For Plant mobilization using
tractor with trailer |
Construction Noise Permit for
night works and works in general holidays |
GW-RS0854-15 |
12-Aug-14 |
15-Feb-16 |
GCL |
Pre-casted pile cap shell
installation at E10-E13 |
Construction Noise Permit for
night works and works in general holidays |
GW-RS0855-15 |
12-Aug-15 |
11-Feb-16 |
GCL |
Pier construction at C7, D8, D9 |
Construction Noise Permit for
night works and works in general holidays |
GW-RS0911-15 |
27-Aug-15 |
26-Feb-16 |
GCL |
Broad Permit for Seg. Launching at Land Portion |
Construction Noise Permit for
night works and works in general holidays |
GW-RS1054-15 |
30-Sep-15 |
29-Mar-16 |
GCL |
For Load unload at NLH near
Viaduct D |
Construction Noise Permit for
night works and works in general holidays |
GW-RS1086-15 |
07-Oct-15 |
15-Dec-15 |
GCL |
TTA Case 009 Ch.2.1E-4.2E |
Construction Noise Permit for night
works and works in general holidays |
GW-RS1144-15 |
20-Oct-15 |
19-Feb-16 |
GCL |
For Broad Permit |
Construction Noise Permit for
night works and works in general holidays |
GW-RW0422-15 |
21-Aug-15 |
25-Jan-16 |
GCL |
General works at WA5 |
Construction Noise Permit for
night works and works in general holidays |
GW-RW0861-15 |
13-Aug-15 |
30-Sep-15 |
GCL |
Portal beam installation at
Pier D14 |
Construction Waste Disposal
Account |
7017735 |
10-Jul-13 |
N/A |
GCL |
- |
Construction Waste Disposal
Account |
7019470 |
03-Mar-14 |
N/A |
GCL |
Vessel CHIT Account |
Marine Dumping Permit |
EP/MD/15-257 |
02-Apr-15 |
07-Oct-15 |
GCL |
For dumping Type I sediment |
Marine Dumping Permit |
EP/MD/16-089 |
22-Sep-15 |
26-Oct-15 |
GCL |
For dumping Type I (Dedicated
Site) and Type II sediment |
Marine Dumping Permit |
EP/MD/16-102 |
13-Oct-15 |
16-Apr-16 |
GCL |
For dumping Type I sediment |
Marine Dumping Permit |
EP/MD/16-112 |
22-Oct-15 |
29-Nov-15 |
GCL |
For dumping Type I (Dedicated
Site) and Type II sediment |
Marine Dumping Permit |
EP/MD/16-134 |
27-Nov-15 |
29-Dec-15 |
GCL |
For dumping Type I (Dedicated
Site) and Type II sediment |
Waste Water Discharge License |
WT00019017-2014 |
13-May-14 |
31-May-19 |
GCL |
Discharge for marine portion |
Waste Water Discharge License |
WT00019018-2014 |
13-May-14 |
31-May-19 |
GCL |
Discharge for land portion |
Table 2.18 Comparison between Quarterly Mean and
Ambient Mean Values of Depth-averaged Suspended Solids
Station |
Baseline
Mean |
Ambient
Mean (a) |
Quarterly Mean (September 2015
to November 2015) |
|||
Mid-ebb |
Mid-flood |
Mid-ebb |
Mid-flood |
Mid-ebb |
Mid-flood |
|
CS(Mf)3 |
9.2 |
12.8 |
12.0 |
16.6 |
11.4 |
11.3 |
CS(Mf)5 |
9.2 |
11.5 |
11.9 |
14.9 |
11.3 |
11.1 |
SR4 |
10.3 |
12.3 |
13.4 |
16.0 |
11.2 |
11.0 |
SR4a |
9.1 |
9.8 |
11.9 |
12.7 |
11.3 |
10.9 |
IS8 |
11.3 |
13.5 |
14.6 |
17.6 |
11.2 |
10.8 |
IS(Mf)9 |
10.9 |
14.3 |
14.2 |
18.5 |
11.2 |
10.9 |
IS(Mf)16 |
11.4 |
10.3 |
14.8 |
13.4 |
11.5 |
11.2 |
Notes: |
||||||
(a) Ambient mean value is defined as a 30%
increase of the baseline mean value |
Two (2) Action Level exceedances were recorded for
impact dolphin monitoring in this reporting quarter. Following the review of the monitoring data and
marine works details as per the procedure stipulated in the Event and Action
Plan of the Updated EM&A Manual, no unacceptable impact was associated with
the construction works under this Contract that may have affected the dolphin
usage in the North Lantau region.
Investigation findings were detailed in Appendix L.
One (1) complaint regarding the potential noise
nuisance from nighttime works of this Project was received on 8 October
2015. A joint inspection among
representatives of EPD, HyD, SOR, Contractor and ET
was held on 28 October 2015. The
inspection findings suggested that the potential noise nuisance was mainly
associated with aircraft. The complaint
was handled in accordance with the Environmental Complaint Handling
Procedure. Detailed investigation report
for the complaint is presented in Appendix L.
December 2015
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry operation; and
· Installation of
deck segment and pier head segment.
Land-based
Works
· Construction
and installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Predrilling
at Viaduct F;
· Additional land
GI, trial pits & lab testing;
· Installation of
pier head segment; and
·
Slope work of Viaducts A, B & C.
January 2016
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry operation; and
· Installation of
deck segment and pier head segment.
Land-based
Works
· Construction and
installation of pile caps;
· Pier
construction;
· Re-alignment of
Cheung Tung Road;
· Predrilling
at Viaduct F;
· Additional land
GI, trial pits & lab testing;
· Installation of
pier head segment; and
·
Slope work of Viaducts A, B & C.
February 2016
Marine
Works
· Construction
and installation of pile caps;
· Uninstallation
of marine piling platform;
· Pier
construction;
· Launching
gantry operation; and
· Installation of
deck segment and pier head segment.
Land-based
Works
· Construction
and installation of pile caps;
· Pier construction;
· Re-alignment of
Cheung Tung Road;
· Predrilling
at Viaduct F;
· Additional land
GI, trial pits & lab testing;
· Installation of
pier head segment; and
·
Slope work of Viaducts A, B & C.
Potential environmental impacts arising from the above
upcoming construction activities are mainly associated with air quality, noise,
marine water quality, marine ecology and waste management issues.
Impact monitoring for air quality, noise, marine water
quality and dolphin monitoring are scheduled to continue for the next reporting
period.
The monitoring programme has
been reviewed and was considered as adequate to cater for the nature of works
in progress.
This Eighth Quarterly EM&A Report presents the
findings of the EM&A activities undertaken during the period from 1
September to 30 November 2015, in accordance with the Updated EM&A Manual
and the requirements of the Environmental
Permits (EP-354/2009/D and EP-353/2009/I).
Neither Action Level nor Limit Level exceedances were
observed for air quality, noise and water quality monitoring in this reporting
period.
A total of eighteen (18) groups of ninety-five (95) Chinese
White Dolphins were sighted during the six sets of survey from September to
November 2015. Two (2) Action Level
exceedances were recorded for the quarterly dolphin monitoring data between
September and November 2015, no unacceptable impact from the activities of this
Contract on Chinese White Dolphins was noticeable from the general
observations. It is critical to monitor
the dolphin usage in North Lantau region in the upcoming quarters, to determine
whether the dolphins are continuously affected by the various construction
activities in relation to the HZMB-related works, and whether suitable
mitigation measure can be applied to revert the situation.
Environmental site inspection was carried out thirteen
(13) times in the reporting period.
Recommendations on remedial actions were given to the Contractor for the
deficiencies identified during the site audits.
The monitoring programme has
been reviewed and was considered as adequate to cater for the nature of works
in progress. Change to the
monitoring programme was thus not recommended at this stage. The monitoring programme will be evaluated as
appropriate in the next reporting period.
The ET will keep track on the construction works to confirm compliance
of environmental requirements and the proper implementation of all necessary
mitigation measures.
([1])
Agreement No. CE 35/2011 (EP) Baseline
Environmental Monitoring for Hong Kong - Zhuhai - Macao Bridge Hong Kong
Projects - Investigation. Baseline Environmental Monitoring Report (Version C). Submitted on 8 March 2012 and subsequently
approved by EPD.