table
of Contents
1.1 Background
1.2 Scope
of Report
1.3 Organization
Structure
1.4 Summary
of Construction Works
2.1 Air
quality
2.2 Water
Quality Monitoring
2.3 Dolphin
Monitoring
2.4 EM&A
Site Inspection
2.5 Waste
Management Status
2.6 Environmental
Licenses and Permits
2.7 Implementation
Status of Environmental Mitigation Measures
2.8 Summary
of Exceedances of the Environmental Quality Performance Limit
2.9 Summary
of Complaints, Notification of Summons and Successful Prosecutions
3.1 Construction
Programme for the Coming Months
3.2 Key
Issues for the Coming Month
3.3 Monitoring
Schedule for the Coming Month
4 Conclusions
and recommendations
4.1 Conclusions
4.2 Recommendations
Under Contract No. HY/2012/08,
Dragages ¡V Bouygues Joint Venture (DBJV) is
commissioned by the Highways Department (HyD) to
undertake the design and construction of the Northern Connection Sub-sea Tunnel
Section of the Tuen Mun ¡V 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) in accordance with Environmental
Permit No. EP-354/2009/A. ENVIRON Hong Kong Ltd. was employed by HyD as the Independent Environmental Checker (IEC) and
Environmental Project Office (ENPO).
The
construction phase of the Project under the EP-354/2009/A
commenced on 1 November 2013 and will tentatively be completed by the end of
2018. The impact monitoring of the EM&A
programme, including air quality, water quality, marine
ecological monitoring and environmental site inspections, were commenced on 1
November 2013.
This
is the second monthly EM&A report presenting the EM&A works carried out
during the period from 1 to 31 December 2013 for the Contract No. HY/2012/08 Northern
Connection Sub-sea Tunnel Section (the ¡§Project¡¨) 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:
Marine-based Works
¡P
Removal of existing seawall;
¡P
Dredging;
¡P
Placement of rock grade 400; and,
¡P
Delivery of 1,797 seawall blocks.
Land-based Works
¡P
Sorting of rock material started at Tsing Yi (Site WA
23);
¡P
Completion of site office structural works (Site WA
18); and
¡P
Temporary outdoor substation civil works (Site WA 18).
A summary of
monitoring and audit activities conducted in the reporting period is listed
below:
24-hour TSP Monitoring 5
sessions
1-hour TSP Monitoring 5
sessions
Impact Water
Quality Monitoring 13
sessions
Impact Dolphin
Monitoring 2
sessions
Joint
Environmental Site Inspection 5
sessions
Daily
marine mammal exclusion zone monitoring was undertaken during the period of
dredging works. No sighting of the
Indo-Pacific humpback dolphin Sousa chinensis was recorded in December 2013 during the
exclusion zone monitoring.
Summary of
Breaches of Action/Limit Levels
Breaches of Action and Limit Levels for Air Quality
Fourteen Action
Level excedances and two Limit Level exceedances for air quality were recorded during the
reporting month. The exceedances were considered not related to the construction
works of this Contract upon further investigation.
Breaches of Action and Limit Levels for Water Quality
Five Action Level
exceedances of depth-averaged suspended solids were
recorded during the reporting month.
The exceedances were considered not related to
the construction works of this Contract upon further investigation.
Dolphin Monitoring
During this
month of dolphin monitoring, no unacceptable impact from the construction activities
of the TM-CLKL Northern Connection Sub-sea Tunnel Section on Chinese White
Dolphins was noticeable from general observations. Due to monthly variation in dolphin
occurrence within the study area, it would be more appropriate to draw
conclusion on whether any unacceptable impacts
on dolphins have been detected related to the construction activities of the
TM-CLKL Northern Connection Sub-sea Section in the quarterly EM&A reports,
where comparison on distribution, group size and encounter rates of dolphins
between the quarterly impact monitoring period and baseline monitoring period
will be made.
Environmental
Complaints, Non-compliance & Summons
No
non-compliance with EIA recommendations, EP conditions and other requirements associated with
the construction of this Contract was recorded in this reporting period.
No
environmental complaint was received in this reporting period.
No
environmental summons was received in this reporting period.
Reporting
Change
There was no
reporting change required in the reporting period.
Upcoming Works for the Next Reporting Period
Works to be
undertaken in the next monitoring period of January 2014 include the following:
Marine-based Works
¡P
Seawall construction;
¡P
Removal of existing seawall armour
rock;
¡P
Temporary seawall;
¡P
Additional Ground investigation;
¡P
Reclamation; and
¡P
Temporary pontoon installation at River Trade Terminal
(RTT).
Land-based Works
¡P
Presonstruction
for site office (WA 18);
¡P
Hoarding erection & building demolition (Portion
N6); and
¡P
CLP substation construction (Portion N6).
Future Key
Issues
Potential
environmental impacts arising from the above upcoming construction activities
in the next reporting month of January 2014 are expected to be mainly
associated with dust, marine water quality, marine ecology and waste
management.
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 ¡V Zhuhai ¡V Macao Bridge (HZMB). In order to cope with the anticipated
traffic demand, two new road sections between NWNT and North Lantau ¡V Tuen Mun
¡V 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-145/2009), 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.
Under
Contract No. HY/2012/08,
Dragages ¡V Bouygues Joint Venture (DBJV) is
commissioned by the Highways Department (HyD) to
undertake the design and construction of the Northern Connection Sub-sea Tunnel
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) in accordance with Environmental Permit No. EP-354/2009/A. ENVIRON Hong Kong
Ltd. was employed by HyD as the Independent
Environmental Checker (IEC) and Environmental Project Office (ENPO).
Layout of the
Contract components is presented in Figure 1.1.
The
organization structure of the Contract is shown in Appendix A. The key personnel contact names and contact
details are summarized in Table 1.1
below.
Table 1.1 Contact
Information of Key Personnel
Party |
Position |
Name |
Telephone |
Fax |
SOR (AECOM Asia
Company Limited) |
Chief
Resident Engineer |
Edwin
Ching Andrew
Westmoreland |
2450
3111 2450
3511 |
2450
3099 2450
3099 |
ENPO / IEC (ENVIRON
Hong Kong Ltd.) |
ENPO Leader |
Y.H. Hui |
3465 2888 |
3465 2899 |
IEC |
Tony Cheng |
3465 2888 |
3465 2899 |
|
Contractor (Dragages ¡V
Bouygues Joint Venture) |
Environmental
Manager |
C.F. Kwong |
2293
7322 |
2670
2798 |
Environmental
Officer 24hour
complaint hotline |
Bryan Lee Rachel Lam |
2293
7323 2293
7342 |
2670
2798 |
|
ET (ERM-HK) |
ET Leader |
Jovy
Tam |
2271 3113 |
2723 5660 |
¡P
Temporary outdoor substation civil works (Site WA18).
Figure 1.2 Locations
of Construction Activities - December 2013
|
||
|
||
Land-based
Works at Site WA 23 |
||
|
The EM&A programme required environmental monitoring for air quality,
water quality and marine ecology as well as environmental site inspections for
air quality, 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
In accordance
with the Updated EM&A Manual, impact 1-hour TSP monitoring was conducted
three (3) times every six (6) days and impact 24-hour TSP monitoring was
carried out once every six (6) days when the highest dust impact was expected. The Action and Limit Levels of the air
quality monitoring is provided in Appendix D.
High volume
samplers (HVSs) were used to carry out the 1-hour and 24-hour TSP monitoring on
5, 11, 17, 23 and 28 December 2013 at the five (5) air quality monitoring
stations in accordance with the requirements stipulated in the Updated EM&A
Manual (Figure 2.1; Table 2.1).
Wind anemometer was installed at
the rooftop of ASR5 for logging wind speed and wind direction. Details of the equipment deployed are provided
in Table 2.2. Copies of the calibration certificates
for the equipment are presented in Appendix E.
Table 2.1 Locations
of Impact Air Quality Monitoring Stations
Monitoring
Station |
Monitoring
Dates |
Location |
Description |
Parameters & Frequency |
ASR1 |
5,
11, 17, 23 and 28 December 2013 |
Tuen Mun Fireboat Station |
Office |
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 |
ASR5 |
|
Pillar
Point Fire Station |
Office |
|
AQMS1 |
|
Previous
River Trade Golf |
Bare
ground |
|
AQMS2* |
|
Bare
ground at Ho Suen Street |
Bare
ground |
|
ASR10 |
|
Butterfly
Beach Park |
Recreational
uses |
*Notes: AQMS2 is being proposed as a temporary alternative
station for monitoring since access to Butterfly Laundry is not granted to the
ET at the moment to undertake the air quality monitoring. Tentatively AQMS2 will be relocated and
re-installed at ASR6 (butterfly Laundry) in Mid-January. AQMS2 will then be superseded by ASR6 for
the impact air quality monitoring.
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 Anemometer |
MetPak, WindSonic |
The schedule
for air quality monitoring in December 2013 is provided in Appendix F.
The monitoring
results for 1-hour TSP and 24-hour TSP are summarized in Tables 2.3 and 2.4,
respectively. Detail impact air
quality monitoring results and graphical presentations are presented in Appendix G.
Table 2.3 Summary
of 1-hour TSP Monitoring Results in this Reporting Period
Station |
Average (µg/m3) |
Range (µg/m3) |
Action Level (µg/m3) |
Limit Level (µg/m3) |
ASR 1 |
226 |
60
¡V 474 |
331 |
500 |
ASR 5 |
255 |
43
¡V 559 |
340 |
500 |
AQMS1 |
162 |
48
¡V 261 |
335 |
500 |
AQMS2 |
234 |
56
¡V 425 |
338 |
500 |
ASR10 |
172 |
51
¡V 386 |
337 |
500 |
Table 2.4 Summary
of 24-hour TSP Monitoring Results in this Reporting Period
Station |
Average (µg/m3) |
Range (µg/m3) |
Action Level (µg/m3) |
Limit Level (µg/m3) |
ASR 1 |
170 |
58
- 249 |
213 |
260 |
ASR 5 |
196 |
54
¡V 258 |
238 |
260 |
AQMS1 |
139 |
46
¡V 195 |
213 |
260 |
AQMS2 |
175 |
68
¡V 269 |
238 |
260 |
ASR10 |
121 |
43
¡V 166 |
214 |
260 |
The major dust
sources in the reporting period include construction activities under the
Contract as well as nearby traffic emissions.
A total of
five monitoring events were undertaken in which fourteen Action Level exceedances and two Limit Level exceedances
of 1-hr TSP and 24-hr TSP were observed on 11, 23 and 28 December 2013.
The Event and Action
plan is presented in Appendix K.
Meteorological
information collected at the ASR5, including wind speed and wind direction, is provided
in Appendix H.
In accordance
with the Updated EM&A Manual, impact water quality monitoring was carried
out three days per week during the construction period at nine (9) water
quality monitoring stations (Figure 2.2; Table 2.5). The Action and Limit Levels of the water
quality monitoring is provided in Appendix D.
Table 2.5 Locations
of Water Quality Monitoring Stations and the Corresponding Monitoring
Requirements
Station ID |
Type |
Coordinates |
*Parameters, unit |
Depth |
Frequency |
|
|
|
Easting |
Northing |
|
|
|
IS12 |
Impact
Station |
813218 |
823681 |
Temperature(¢XC)
pH(pH unit)
Turbidity (NTU)
Water depth (m)
Salinity (ppt)
DO (mg/L and % of saturation) ¡P
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. |
IS13 |
Impact Station |
813667 |
824325 |
|||
IS14 |
Impact Station |
812592 |
824172 |
|||
IS15 |
Impact Station |
813356 |
825008 |
|||
CS4 |
Control /
Far Field Station |
810025 |
824004 |
|||
CS6 |
Control /
Far Field Station |
817028 |
823992 |
|||
SR8 |
Sensitive
receiver (Gazettal beaches in Tuen Mun) |
816306 |
825715 |
|||
SR9 |
Sensitive
receiver |
813601 |
825858 |
|||
SR10A |
Sensitive
receiver |
823741 |
823495 |
|||
*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 2.6 summarises the equipment
used in the impact water quality monitoring programme. Copies
of the calibration certificates are attached in Appendix E.
Table 2.6 Water
Quality Monitoring Equipment
Equipment |
Model |
Qty. |
Water Sampler |
Kahlsico Water-Bottle Model 135DW 150 |
4 |
Multi-parameter Water Quality System |
YSI 6820-C-M/YSI 6920 |
6 |
Dissolved Oxygen Meter |
YSI Pro 2030 |
1 |
pH Meter |
HANNA HI 8314 |
1 |
Turbidity Meter |
HACH 2100Q |
1 |
Monitoring Position Equipment |
¡§Magellan¡¨ Handheld GPS Model eXplorist GC |
4 |
DGPS Koden KGP913MK2 (1) |
1 |
The Action and
Limit Levels for water quality monitoring are summarized in Appendix D.
The schedule
for water quality monitoring in December 2013 is provided in Appendix F.
During
this reporting period, marine dredging activities at Portion N-a continued from
1 November 2013. A closed
grab dredger was used and silt curtains (cage-type and single floating type)
were deployed during dredging works.
The level of dredging activities was within the working rate described
in the EP and approved EIA Report.
It is useful to note that heavy marine traffic (not associated with the
Project) was commonly observed nearby the Project site and its vicinity.
Impact water
quality monitoring was conducted at all designated monitoring stations in the
reporting month. Detailed impact
water quality monitoring results are presented in Appendix G.
A total of
thirteen monitoring events were undertaken in which five Action Level exceedances of depth-averaged SS were recorded on 4 and 6
December 2013.
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 2.8 summarises the equipment
used for the impact dolphin monitoring.
Table 2.8 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 2.3. The co-ordinates of all transect lines
are shown in Table 2.9 below.
Table 2.9 Impact
Dolphin Monitoring Line Transect Co-ordinates
Line No. |
Easting |
Northing |
Line No. |
Easting |
Northing |
||
1 |
Start Point |
804671 |
814577 |
13 |
Start Point |
816506 |
819480 |
1 |
End Point |
804671 |
831404 |
13 |
End Point |
816506 |
824859 |
2 |
Start Point |
805475 |
815457 |
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 |
820690 |
19 |
Start Point |
822513 |
823268 |
7 |
End Point |
810499 |
824613 |
19 |
End Point |
822513 |
824321 |
8 |
Start Point |
811508 |
820847 |
20 |
Start Point |
823477 |
823402 |
8 |
End Point |
811508 |
824254 |
20 |
End Point |
823477 |
824613 |
9 |
Start Point |
812516 |
820892 |
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 |
818449 |
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 K.
Dolphin
monitoring was carried out on 5, 9, 11 and 19 December 2013. The dolphin monitoring schedule for the
reporting period is shown in Appendix F.
A total of 277.40
km of survey effort was collected, with 83.2% of the total survey effort being
conducted under favourable weather conditions (ie Beaufort Sea State 3 or below with good visibility) in December
2013. Amongst the two areas, 98.10 km
and 179.30 km of survey effort were collected from NEL and NWL survey areas,
respectively. The total survey
effort conducted on primary and secondary lines were 217.14 km and 60.26 km,
respectively. The survey efforts are
summarized in Appendix J.
A total of eight
groups of thirty-three dolphin sightings were recorded during the two sets of
surveys. All except one sighting was
made in NWL during the two sets of surveys in December, with another group being
sighted in NEL.
None of the 33
sightings was made in the proximity of this Project. The distribution of dolphin sightings
during the reporting month is shown in Figure 2.4.
Encounter
rates of Chinese White Dolphins are deduced from the survey effort and
on-effort sighting data made under favourable
conditions (Beaufort 3 or below with good visibility) in December 2013 with the
results present in Tables 2.12 and 2.13.
Table 2.12 Individual
Survey Event Encounter Rates
|
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: Dec 5th/9th |
2.68 |
8.05 |
Set 2: Dec 11th/19th |
0.0 |
0.0 |
|
NWL |
Set 1: Dec 5th/9th |
6.95 |
30.57 |
Set 2: Dec 11th/19th |
6.82 |
27.27 |
Note:
Dolphin Encounter Rates
are deduced from the Two Sets of Surveys (Two Surveys in Each Set) in December 2013
in Northeast (NEL) and Northwest Lantau (NWL)
Table 2.13 Monthly
Average Encounter Rates
|
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 |
Both Primary and Secondary Lines |
Primary Lines Only |
Both Primary and Secondary Lines |
|
Northeast Lantau |
1.4 |
1.0 |
4.1 |
3.1 |
Northwest Lantau |
6.9 |
5.3 |
29.6 |
22.6 |
Note: Overall dolphin encounter rates (sightings per
100km of survey effort) from all four surveys are conducted in December 2013 on
primary lines only as well as both primary lines and secondary lines in
Northeast and Northwest Lantau.
The average
group size of Chinese White Dolphins in December 2013 was 4.13 individuals per
group. Six of the eight dolphin
groups were composed of only 1-4 animals, while the other two were larger
groups with 6 and 12 animals per group, respectively.
During this
month of dolphin monitoring, no unacceptable impact from the construction activities
of this Contract was recorded from the general observations.
Due to monthly
variation in dolphin occurrence within the survey area, it would be more
appropriate to draw conclusion on whether any unacceptable impacts on dolphins
have been detected related to the construction activities of this Project in
the quarterly EM&A reports, where comparison on distribution, group size
and encounter rates of dolphins between the quarterly impact monitoring period
and baseline monitoring period will be made.
Daily 250 m marine
mammal exclusion zone monitoring was undertaken during the period of dredging
activities being undertaken. No sighting of the Indo-Pacific
humpback dolphin Sousa chinensis were
recorded in December 2013 during the exclusion zone monitoring.
Site
inspections were carried out on a weekly basis to monitor the implementation of
proper environmental pollution control and mitigation measures under the
Contract. In the reporting month, five
(5) site inspections were carried out on 4, 10, 18, 24 and 31 December2013.
Key observations
during the site inspections are described below:
¡P
Sandy materials were exposed over the ground without
proper cleanup.
¡P
No adverse observation was identified in the reporting
month.
¡P Silt
curtain was found damaged (Portion N-A).
¡P Cage-type
silt curtain was not deployed properly and found broken. (Dredging barge ¡V
Crown Asia 1).
¡P Dredging
grab was found leaking remarkable (Dredging barge ¡V Crown Asia 1).
¡P Oil
stain was observed near the drip tray for the chemical containers (Dredging
barge ¡V Crown Asia 1).
Daily 250 m marine
mammal exclusion zone monitoring was undertaken during the period of dredging
activities being undertaken. No
sighting of the Indo-Pacific humpback dolphin Sousa chinensis were
recorded in December 2013 during the exclusion zone monitoring. In addition, acoustic decoupling
monitoring and marine vessel control for dredging works were implemented in
this reporting month.
¡P A
proper chemical waste container with good conditions and capacity should be
provided (Dredging barge - Crown Asia 1).
¡P Oil
stain was observed and drip tray should be provided for the chemical containers
(Barge - Wing Ko).
¡P Drip
tray should be maintained with adequate capacity to avoid oil spillage. Any oil spill observed should be cleaned
up properly as chemical waste (Dredging barge - Crown Asia 1).
¡P The
chemical container was observed without drip tray and labels (WA-23)
¡P Drip
trays for the chemical containers were found at full capacity and without the
drip tray plug (WA-18)
¡P No
adverse observation was identified in the reporting month.
A proper tree
protection zone should be set up to avoid disturbance to the remaining natural
habitat (WA-23).
The Contractor
has rectified all of the observations as identified during environmental site
inspection in the reporting month.
The Contractor
had submitted application form for registration as chemical waste producer under
the Contract. Sufficient numbers of
receptacles were available for general refuse collection and sorting.
As
advised by the Contractor, 883 tonnes of inert
C&D Materials are generated and disposed of as public fill in the reporting
period. 40,500 m3 of Category
L marine sediment and 5,000 m3 of Category M marine sediment are
generated and disposed of at designated sites. Monthly summary of waste flow table is
detailed in Appendix M.
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
reminded to properly maintain the site tidiness and dispose of the wastes
accumulated on site regularly and properly.
The Contractor
was reminded that chemical waste containers should be properly treated and
stored 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 2.14 below.
Table 2.14 Summary
of Environmental Licensing and Permit Status
Statutory Reference |
License/
Permit |
License
or Permit No. |
Date
of Issue |
Date
of Expiry |
License/ Permit Holder |
Remarks |
EIAO |
Environmental Permit |
EP-354/2009/A |
8 Dec 2010 |
Throughout the Contract |
HyD |
Tuen Mun-Chek Lap Kok Link |
NCO |
Construction Dust Notification |
363510 |
19 Aug 2013 |
Throughout the Contract |
DBJV |
- |
WDO |
Chemical Waste Registration |
5213-422-D2516-01 |
10 Sep 2013 |
Throughout the Contract |
DBJV |
- |
WDO |
Construction Waste Disposal Account |
7018108 |
19 Aug 2013 |
Throughout the Contract |
DBJV |
Waste disposal in Contract HY/2012/08 |
WPCO |
Waste Water Discharge License |
WT00017707-2013 |
18 Nov 2013 |
30 Nov 2018 |
DBJV |
Discharge of Construction Runoff |
NCO |
Construction Noise Permit |
GW-RW0691-13 |
15 Oct 2013 |
14 Apr 2014 |
DBJV |
For Dredging and Reclamation Works |
NCO |
Construction Noise Permit |
GW-RW0822-13 |
14 Nov 2013 |
10 May 2014 |
DBJV |
For works in site WA18 |
NCO |
Construction Noise Permit |
GW-RS0814-13 |
15 Nov 2013 |
10 May 2014 |
DBJV |
For works in site WA23 |
DASO |
Marine Dumping Permit |
EP/MD/14-072 |
1 Nov 2013 |
30 Apr 2014 |
DBJV |
For Type 1 |
DASO |
Marine Dumping Permit |
EP/MD/14-071 |
1 Dec 2013 |
31 Dec 2013 |
DBJV |
For Type 1 (Dedicated site) and Type
2 |
In response to
the site audit findings, the Contractors carried out corrective actions.
A summary of
the Implementation Schedule of Environmental Mitigation Measures (EMIS) is
presented in Appendix C. The necessary mitigation measures relevant
to this Contract were implemented properly.
Five exceedances of Action and no exceedances
Limit levels were recorded for water quality monitoring during the reporting
month. Fourteen exceedances
of Action level and two exceedances of Limit Level
for air quality were recorded during the reporting month. The exceedances
were considered not related to the construction works of this Contract after
further investigation.
Cumulative
statistics are provided in Appendix L.
The
Environmental Complaint Handling Procedure is provided in Figure 2.5.
No complaints,
notification of summons and prosecution were received in the reporting period.
Statistics on
complaints, notifications of summons and successful prosecutions are summarized
in Appendix L.
As informed by
the Contractor, the major works for the Project in January 2014 will be:
Marine-based Works
¡P
Seawall construction;
¡P
Removal of existing seawall amour rock;
¡P
Temporary seawall;
¡P
Additional ground investigation;
¡P
Reclamation; and
¡P
Temporary pontoon installation at RTT.
Land-based Works
¡P
Construction for site office (WA 18);
¡P
Hoarding erection & building demolition (Portion
N6); and
¡P
CLP substation construction (Portion N6).
Potential
environmental impacts arising from the above upcoming construction activities
in the next reporting month of January 2014 are mainly associated with dust,
marine water quality, marine ecology and waste management issues.
The tentative
schedule for environmental monitoring in January 2014 is provided in Appendix F.
This Second
Monthly EM&A Report presents the findings of the EM&A activities
undertaken during the period from 1 to 31 December 2013, in accordance with the
Updated EM&A Manual and the requirements of EP-354/2009/A.
Air quality
(including 1-hour TSP and 24-hour TSP), water quality and dolphin monitoring were
carried out in the reporting period.
Fourteen (14) Action Level and two (2) Limit Level exceedances
for air quality monitoring were recorded in the reporting month. Five (5) Action Level exceedances
for water quality monitoring were recorded in the reporting month. Investigation works show that the exceedance was not due to the Project works. Nevertheless, the Contractor was reminded
to ensure all dust mitigation measures are provided at the construction site
and the proper deployment of cage-type silt curtain at the dredging site.
A total of eight
groups of thirty-three dolphin sightings were recorded during the two sets of surveys
in December 2013. All
except one sighting were made in NWL during the two sets of surveys in
December, with another group being sighted in NEL. None of the 33 sightings was made in the
proximity of the TM-CLKL Northern Connection Sub-sea Tunnel Section. During this
month of dolphin monitoring, no unacceptable impact from the construction activities
of the TM-CLKL Northern Connection Sub-sea Tunnel Section on Chinese White
Dolphins was noticeable from general observations.
Environmental
site inspection was carried out five (5) times in December 2013. Recommendations on remedial actions were
given to the Contractor for the deficiencies identified during the site audits.
According to
the environmental site inspections performed in the reporting month, the
following recommendations were provided:
Temporary
stockpiles at the works area should be properly covered by the Contactor when
piling is completed.
Measures
should be undertaken by the Contractor to avoid residual sandy materials
leaving from at the edge of loading area which may lead to surface runoff in
the vicinity.
The Contractor
should avoid sandy materials from entering the drainage area.
The Contractor
should ensure that the dredging is undertaken properly to avoid spillage
outside the cage-type silt curtain in the dredging site of barge Crown Asia 1.
The Contractor
should install drip tray stopper and clear water stagnant in the drip
tray.
The Contractor
should proper label the oil drums.
The Contractor
should clear oil stain on the barge.
Drip tray
should be provided by the Contractor for the chemical containers
The
Environmental Permit should be displayed conspicuously in the site entrance by
the Contractor.