table of Contents
Executive Summary
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 Activities for the Coming Month
3.2 Key Issues for the Coming Month
3.3 Monitoring Schedule for the Coming Month
4 Conclusions and recommendations
4.1 Conclusions
Under Contract No. HY/2012/08, Dragages 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 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. Ramboll Hong Kong Ltd. was employed by HyD as the Independent Environmental Checker (IEC) and Environmental Project Office (ENPO). Subsequent applications for variation of environmental permits (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.
The construction phase of the Contract commenced on 1 November 2013 and will tentatively be completed by the end of 2019. 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 Sixty-ninth Monthly EM&A report presenting the EM&A works carried out during the period from 1 to 31 July 2019 for the Contract No. HY/2012/08 Northern Connection Sub-sea Tunnel Section (the Contract) in accordance with the Updated EM&A Manual of the TM-CLK Link Contract. As informed by the Contractor, major activities in the reporting period included:
Land-based Works
· Construction of Thermal barrier TBM tunnel;
· Construction of Walkway Corbel & Cover TBM Tunnel;
· Road & Drainage works Portion N-A
· RC structure Portion S-A;
· Backfilling Portion S-A;
Marine-based Works
· Jetty dismantling Works Portion S-C
A summary of monitoring and audit activities conducted in the reporting period is listed below:
24-hour TSP Monitoring 10 sessions
1-hour TSP Monitoring 10 sessions
Water Quality Monitoring 12 sessions
Impact Dolphin Monitoring 2 sessions
Joint Environmental Site Inspection 5 sessions
Implementation of Marine Mammal Exclusion Zone
Daily marine mammal exclusion zone was in effect during the period of silt curtain installation in open waters under this Contract. No sighting of the Indo-Pacific humpback dolphin Sousa chinensis (i.e. Chinese White Dolphin) was recorded in July 2019 during the exclusion zone monitoring.
Summary of Breaches of Action/Limit Levels
Breaches of Action and Limit Levels for Air Quality
Two (2) Action Level and one (1) Limit Level exceedances were recorded in the air quality monitoring of this reporting month.
Breaches of Action and Limit Levels for Water Quality
Fifty-two (52) Action Level and Fourteen (14) Limit Level exceedances were recorded in the water quality monitoring of this reporting month.
Breaches of Action and Limit Levels for Dolphin Monitoring
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 in relation 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.
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
As the Jetty dismantling Works has commenced on 2 July 2019, water quality monitoring was carried out in this reporting month.
Upcoming Works for the Next Reporting Month
Works to be undertaken in the next monitoring period of August 2019 include the following:
Land-based Works
· Construction of Thermal barrier TBM tunnel;
· Construction of Walkway Corbel & Cover TBM Tunnel;
· Gantry Removal TBM tunnel
· Backfilling Portion N-A
· RC structure Portion S-A;
· Louver Installation Portion S-A;
· Slab Falsework Erection Portion S-C
·
Marine-based Works
· Seawall Modification Works Portion S-B
Future Key Issue
Potential environmental impacts arising from the above upcoming construction activities in the next reporting month of August 2019 are mainly associated with dust, marine water quality, marine ecology and waste management issues.
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 (VEP) (EP-354/2009/A) was issued on 8 December 2010. Subsequent applications for variation of environmental permits (VEPs), 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/2012/08, Dragages 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 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 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 |
Highways Department
|
Engr 24/SD |
Ken T.M. Cheng |
2762 4062 |
3188 6614 |
SOR (AECOM Asia Company Limited)
|
Chief Resident Engineer |
Roger Man
Andrew Westmoreland
|
2293 6388
2293 6360 |
2293 6300
2293 6300 |
ENPO / IEC (Ramboll Hong Kong Ltd.) |
ENPO Leader
|
Y.H. Hui |
3465 2850 |
3465 2899 |
IEC
|
Dr. F.C. Tsang |
3465 2851 |
3465 2899 |
|
Contractor (Dragages Bouygues Joint Venture) |
Deputy Environmental Manager |
Bryan Lee
|
2293 7323
|
2293 7499 |
|
Senior Environmental Officer |
Ashley Au |
52950766 |
|
|
24-hour hotline
|
|
2293 7330 |
|
ET (ERM-HK) |
ET Leader |
Jasmine Ng |
2271 3311 |
2723 5660 |
Table 1.2 Summary of Construction Activities Undertaken during the Reporting Period
Construction Activities Undertaken |
Land-based Works |
· Construction of Thermal barrier TBM tunnel; · Construction of Walkway Corbel & Cover TBM Tunnel; · Road & Drainage works Portion N-A · RC structure Portion S-A; · Backfilling Portion S-A;
Marine-based Works · Jetty dismantling Works Portion S-C |
Figure 1.2 Locations of Construction Activities July 2019
|
The EM&A programme required environmental monitoring for air quality, 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
In accordance with the Updated EM&A Manual and the Enhanced TSP Monitoring Plan, 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. 1-hr and 24-hr TSP monitoring frequency was increased to three times per day every three days and daily every three days, respectively, as excavation works for launching shaft commenced on 24 October 2014.
High volume samplers (HVSs) were used to carry out the 1-hour and 24-hour TSP monitoring on 1, 4, 7, 10, 13, 16, 19, 22, 25 and 28 July 2019 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 meter 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 and Monitoring Dates in this Reporting Period
Monitoring Station |
Monitoring Dates |
Location |
Description |
Parameters & Frequency |
ASR1 |
1, 4, 7, 10, 13, 16, 19, 22, 25 and 28 July 2019 |
Tuen Mun Fireboat Station
|
Office |
TSP monitoring 1-hour Total Suspended Particulates (1-hour TSP, ΅g/m3), 3 times in every 6 days 24-hour Total Suspended Particulates (24-hour TSP, ΅g/m3), daily for 24-hour in every 6 days Enhanced TSP monitoring (commenced on 24 October 2014) 1-hour Total Suspended Particulates (1-hour TSP, ΅g/m3), 3 times in every 3 days 24-hour Total Suspended Particulates (24-hour TSP, ΅g/m3), daily for 24-hour in every 3 days |
ASR5 |
|
Pillar Point Fire Station
|
Office |
|
AQMS1 |
|
Previous River Trade Golf
|
Bare ground |
|
ASR6 |
|
Butterfly Beach Laundry
|
Office |
|
ASR10 |
|
Butterfly Beach Park |
Recreational uses |
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 Meter |
Davis (Model: Vantage Pro 2 (S/N: AS160104014) |
Wind Anemometer for calibration |
Lutron (Model No. AM-4201) |
The Action and Limit Levels of the air quality monitoring is provided in Appendix D. The Event and Action plan is presented in Appendix K.
The schedule for air quality monitoring in July 2019 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. Detailed 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 (΅g/m3) |
Range (΅g/m3) |
Action Level (΅g/m3) |
Limit Level (΅g/m3) |
ASR1 |
82 |
13 - 646 |
331 |
500 |
ASR5 |
111 |
14 - 410 |
340 |
500 |
AQMS1 |
62 |
14 165 |
335 |
500 |
ASR6 |
101 |
14 372 |
338 |
500 |
ASR10 |
47 |
14 - 151 |
337 |
500 |
Table 2.4 Summary of 24-hour TSP Monitoring Results in this Reporting Period
Station |
Average (΅g/m3) |
Range (΅g/m3) |
Action Level (΅g/m3) |
Limit Level (΅g/m3) |
ASR1 |
66 |
40 - 113 |
213 |
260 |
ASR5 |
67 |
48 - 87 |
238 |
260 |
AQMS1 |
44 |
32 - 68 |
213 |
260 |
ASR6 |
54 |
28 - 82 |
238 |
260 |
ASR10 |
38 |
22 - 90 |
214 |
260 |
The weather condition during the monitoring period varied from sunny to cloudy. The major dust sources in the reporting period included construction activities under the Contract as well as nearby traffic emissions.
A total of 10 1-hour TSP and 24-hour TSP monitoring were undertaken in this reporting month. Two (2) Action Level and one (1) Limit Level exceedances were recorded in the air quality monitoring of this reporting month.
Meteorological information collected at the ASR5, including wind speed and wind direction, is provided in Appendix H.
The Jetty dismantling Works has commenced on 2 July 2019 and was completed on 11 July 2019. Water quality monitoring was carried out in this reporting month.
In accordance with the approved Environmental Review Report dated 21 March 2018 for the Change in Design of Vertical Seawall to Sloping Seawall on Southern Landfall, Updated Impact water quality monitoring programme and water quality monitoring stations IS17, SR7 and IS(Mf)11 specified under the EM&A Manual for HZMB HKBCF project will be adopted. (Figure 2.2; Table 2.5).
The Action and Limit Levels of the water quality monitoring were adopted from the EM&A Manual for HZMB HKBCF project. The Action and Limit Levels are 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 |
|
|
|
IS(Mf)11 |
Impact Station (Close to HKBCF construction site) 8 |
813562 |
820716 |
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. |
IS17 |
Impact Station (Close to HKBCF construction site) |
814539 |
820391 |
|||
SR7 |
Sensitive receivers (Tai Mo Do) |
814293 |
821431 |
|||
IS(Mf)9 |
Impact Station (Close to HKBCF construction site) |
813273 |
818850 |
|
|
|
IS(Mf)16 |
Impact Station (Close to HKBCF construction site) |
814328 |
819497 |
|
|
|
IS8(N) |
Impact Station (Close to HKBCF construction site) |
814413 |
818570
|
|
|
|
SR4(N2) |
Sensitive receiver (Tai Ho Inlet) |
814688 |
817859
|
|
|
|
SR4a |
Sensitive receiver |
815247 |
818067 |
|
|
|
CS(Mf)3(N) |
Control Station |
808814 |
822355 |
|
|
|
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. Water
Quality Monitoring Station CS(Mf)3 was relocated to CS(Mf)3(N) since 2 May
2017. Water
Quality Monitoring Station SR4 was relocated to SR4(N) since 2 March 2018. Water
Quality Monitoring Station SR4(N) was relocated to SR4(N2) since 12 June 2019 Water Quality Monitoring Station IS8 was relocated to IS8(N) since 12 June 2019. |
Table 2.6 summarizes 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 |
Multi-Parameters |
YSI ProDss 16H104234 |
Multi-Parameters |
YSI ProDss 17H105557 |
Positioning Equipment |
Furuno GP-170 |
Water Depth Detector |
Lowrance Mark 5x / Garmin Striker 4 |
The Action and Limit levels of water quality impact monitoring are shown in Appendix D. The Event and Action plan is presented in Appendix K.
The schedule for water quality monitoring in July 2019 is provided in Appendix F. No WQM was carried out on 1 July 2019 due to public holiday. WQM on 31 July 2019 was cancelled due to adverse weather.
Impact water quality monitoring was conducted at all designated monitoring stations in the reporting month. Results and graphical presentations of impact water quality monitoring are presented in Appendix J.
In this reporting period, a total of twelve (12) monitoring events were undertaken in which Fifty-two (52) Action Level and Fourteen (14) Limit Level exceedances were recorded in the water quality monitoring of this reporting month.
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 HyDs 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 2.7 summarises the equipment used for the impact dolphin monitoring.
Table 2.7 Dolphin Monitoring Equipment
Equipment |
Model |
Global Positioning System (GPS)
|
Garmin 18X-PC Geo One Phottix
|
Camera |
Nikon D90 300m 2.8D fixed focus Nikon D90 20-300m zoom lens
|
Laser Binocular |
Infinitor LRF 1000
|
Marine Binocular |
Bushell 7 x 50 marine binocular with compass and reticules
|
Vessel for Monitoring |
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 2.8 below.
Table 2.8 Impact Dolphin Monitoring Line Transect Co-ordinates
Line No. |
Easting |
Northing |
Line No. |
Easting |
Northing |
||
1 |
Start Point |
804671 |
815456 |
13 |
Start Point |
816506 |
819480 |
1 |
End Point |
804671 |
831404 |
13 |
End Point |
816506 |
824859 |
2 |
Start Point |
805476 |
820800* |
14 |
Start Point |
817537 |
820220 |
2 |
End Point |
805476 |
826654 |
14 |
End Point |
817537 |
824613 |
3 |
Start Point |
806464 |
821150* |
15 |
Start Point |
818568 |
820735 |
3 |
End Point |
806464 |
822911 |
15 |
End Point |
818568 |
824433 |
4 |
Start Point |
807518 |
821500* |
16 |
Start Point |
819532 |
821420 |
4 |
End Point |
807518 |
829230 |
16 |
End Point |
819532 |
824209 |
5 |
Start Point |
808504 |
821850* |
17 |
Start Point |
820451 |
822125 |
5 |
End Point |
808504 |
828602 |
17 |
End Point |
820451 |
823671 |
6 |
Start Point |
809490 |
822150* |
18 |
Start Point |
821504 |
822371 |
6 |
End Point |
809490 |
825352 |
18 |
End Point |
821504 |
823761 |
7 |
Start Point |
810499 |
822000* |
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 |
821176 |
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 |
24* |
Start Point |
805476* |
815900* |
12 |
End Point |
815542 |
824882 |
24* |
End Point |
805476* |
819100* |
The Action and Limit levels of impact dolphin monitoring are shown in Appendix D. The Event and Action plan is presented in Appendix K.
Dolphin monitoring was carried out on 16, 18, 22 and 24 of July 2019. The dolphin monitoring schedule for the reporting month is shown in Appendix F.
Two group of 3 Chinese White Dolphins sighting was recorded during the two sets of surveys in July 2019. The dolphin sighting was made in NWL, while none was sighted in NEL. One of the two dolphin sightings was made during on-effort search and was made on secondary lines. The other was an off-effort sighting. The dolphin groups were not associated with any operating fishing vessel.
No dolphin sighting was made in the proximity of the TM-CLKL alignment. 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) in July 2019 with the results present in Tables 2.9 and 2.10.
Table 2.9 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: July 16th / 18th |
0.0 |
0.0 |
Set 2: July 22nd / 24th |
0.0 |
0.0 |
|
NWL |
Set 1: July 16th / 18th |
0.0 |
0.0 |
Set 2: July 22nd / 24th |
0.0 |
0.0 |
Note: Dolphin Encounter Rates are deduced from the Two Sets of Surveys (Two Surveys in Each Set) in July 2019 in Northeast (NEL) and Northwest Lantau (NWL)
Table 2.10 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 |
0.0 |
0.0 |
0.0 |
0.0 |
Northwest Lantau |
0.0 |
0.6 |
0.0 |
1.2 |
Note: Overall dolphin encounter rates (sightings per 100 km of survey effort) from all four surveys are conducted in July 2019 on primary lines only as well as both primary lines and secondary lines in Northeast and Northwest Lantau.
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 in relation to the construction activities of this Contract 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 marine mammal exclusion zone was in effect during the period of silt curtain installation in open waters under this Contract. No sighting of the Indo-Pacific humpback dolphin Sousa chinensis (i.e. Chinese White Dolphin) was recorded in July 2019 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 3, 10, 17, 24 and 31 July 2019.
Key observations and recommendations during the site inspections in this reporting period are summarized in Table 2.11.
Table 2.11 Specific Observations and Recommendations during the Weekly Site Inspection in this Reporting Month
Inspection Date |
Observations |
Recommendations/ Remarks |
3 July 2019 |
Works Area Portion TBM tunnel The cherry picker should be fixed to prevent oil leakage. Works Area - Portion N-A Construction waste beside the waste skip should be removed. Drip tray should be provided for the chemical containers. Works Area - Portion S-A Rubbish on the floor should be removed. Works Area - Portion S-B Rubbish on the floor should be removed. Reminder from the SOR Works Area TBM tunnel Water barriers should be capped with lids for mosquito control. Works Area TPortion S-C Water barriers should be capped with lids for mosquito control. |
Works Area Portion TBM tunnel The Contractor was reminded to fix the cherri picker to prevent oil leakage. Works Area - Portion N-A The Contractor was reminded to remove the construction waste beside the waste skip. The Contractor was reminded to provide drip tray for the chemical containers. Works Area - Portion S-A The Contractor was reminded to remove the rubbish on the floor. Works Area - Portion S-B The Contractor was reminded to remove the rubbish on the floor. Reminder from the SOR Works Area TBM tunnel The Contractor was reminded to cap the water barriers with lids for mosquito control. Works Area Portion S-C The Contractor was reminded to cap the water barriers with lids for mosquito control. |
10 July 2019 |
Works Area Portion S-A Rubbish should be disposed of to maintain better housekeeping. Works Area - Portion S-C Oil spillage on the floor should be cleared. Reminder from the SOR Works Area Portion N-A Larvacides should be sprayed for mosquito control. |
Works Area Portion S-A The Contractor was reminded to dispose of the rubbish to maintain better housekeeping. Works Area - Portion S-C The Contractor was reminded to clear the oil spillage on the floor. Reminder from the SOR Works Area Portion N-A The Contractor was reminded to spray larvacides for mosquito control. |
17 July 2019 |
Works Area Portion S-A Drip tray should be provided for the chemical containers. Drip tray should be provided for the chemical containers. Works Area - Portion S-B Wastewater should be diverted to the mud pit. Reminder from the SOR Works Area TBM tunnel The broken water barrier should be replaced. Works Area - Portion S-B The breaker tip should be wrapped with noise insulation materials. Works Area - Portion S-C Stagnant water at the pit should be cleared for mosquito control. |
Works Area Portion S-A The Contractor was reminded to provide drip tray for the chemical containers. The Contractor was reminded to provide drip tray for the chemical containers. Works Area - Portion S-B The Contractor was reminded to divert the wastewater to the mud pit. Reminder from the SOR Works Area TBM tunnel The Contractor was reminded to replace the broken water barrier. Works Area - Portion S-B The Contractor was reminded to wrap the breaker tip with noise insulation materials. Works Area - Portion S-C The Contractor was reminded to clear the stagnant water at the pit for mosquito control. |
24 July 2019 |
Works Area Portion N-B Food waste in the skip should be removed. Works Area - Portion N-A Drip tray should be provided for the chemical drums. Works Area - Portion S-C Food waste in the skip should be removed. Reminder from the SOR Works Area Portion S-C The cover of the water barrier should be provided. |
Works Area Portion N-B The Contractor was reminded to remove the food waste in the skip. Works Area - Portion N-A The Contractor was reminded to provide drip tray for the chemical containers. Works Area - Portion S-C The Contractor was reminded to remove the food waste in the skip. Reminder from the SOR Works Area Portion S-C The Contractor was reminded to provide the cover of the water barrier. |
31 July 2019 |
Works Area TBM tunnel Drip tray should be provided for the chemical drums. Reminder from the SOR Works Area - TBM tunnel Broken water barrier should be removed. |
Works Area TBM tunnel The Contractor was reminded to provide drip tray for the chemical containers. Reminder from the SOR The Contractor was reminded to remove the broken water barrier. |
The Contractor has rectified all of the observations as identified during environmental site inspections 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.
Wastes generated during this reporting period included mainly construction wastes (inert and non-inert). Reference has been made to the waste flow table prepared by the Contractor (Appendix M). The quantities of different types of wastes are summarized in Table 2.12.
Table 2.12 Quantities of Different Waste Generated in the Reporting Month
Month/Year |
Inert Construction Waste (a) (tonnes) |
Inert Construction Waste Re-used (tonnes) |
Non-inert Construction Waste (b) (tonnes) |
Recyclable Materials (c) (kg) |
Chemical Wastes (kg) |
Marine Sediment (m3) |
|||
Category L |
Category M (Mp & Mf) |
Mixed (L+M) |
|||||||
July 2019 |
3,821 |
0 |
730 |
0 |
0 |
0 |
0 |
0 |
|
Notes: |
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(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. |
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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 2.13 below.
Table 2.13 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 March 2015 |
Throughout the Contract |
HyD |
Application for VEP on 3 March 2015 to supersede EP-354/2009/C |
Construction Dust Notification |
363510 |
19 August 2013 |
Throughout the Contract |
DBJV |
Northern Landfall |
Construction Dust Notification
|
403620 |
10 June 2016 |
Throughout the Contract |
DBJV |
Southern Landfall |
Chemical Waste Registration |
5213-422-D2516-02 |
18 January 2017 |
Throughout the Contract |
DBJV |
Northern Landfall
|
Chemical Waste Registration |
5213-951-D2591-01 |
25 May 2016 |
Throughout the Contract |
DBJV |
Southern Landfall |
Construction Waste Disposal Account |
7018108 |
28 August 2013 |
Throughout the Contract |
DBJV |
Waste disposal in Contract No. HY/2012/08 |
Construction Waste Disposal Account |
7021715 |
21 March 2019 |
14 July 2019 |
DBJV |
Vessel Disposal |
Waste Water Discharge License |
WT00031435-2018 |
2 August 2018 |
31 August 2023 |
DBJV |
Southern Landfall |
Waste Water Discharge License |
WT00034060-2019 |
25 July 2019 |
30 June 2024 |
DBJV |
Northern Landfall (4 Discharge Point) |
Marine Dumping Permit |
EP/MD/20-013 |
19 May 2019 |
18 November 2019 |
DBJV |
Type 1 (Open Sea Disposal) |
Construction Noise Permit |
GW-RW0406-18 |
27 April 2019 |
15 October 2019 |
DBJV |
Urmston Road in front of Pillar Point |
Construction Noise Permit |
GW-RW0063-19 |
20 February 2019 |
19 August 2019 |
DBJV |
WA23 @ Tsing Yi |
Construction Noise Permit |
GW-RS0224-19 |
25 March 2019 |
24 September 2019 |
DBJV |
Southern Landfall |
Construction Noise Permit |
GW-RW0179-19 |
27 April 2019 |
15 October 2019 |
DBJV |
Urmston Road in front of Pillar Point |
Notes: |
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HyD = Highways Department DBJV = Dragages Bouygues Joint Venture VEP = Variation of Environmental Permit |
In response to the site audit findings, the Contractors carried out all 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.
Two (2) Action Level and one (1) Limit Level exceedances were recorded in the air quality monitoring of this reporting month.
Fifty-two (52) Action Level and Fourteen (14) Limit Level exceedances were recorded in the water quality monitoring of this reporting month.
Cumulative statistics are provided in Appendix L.
The Environmental Complaint Handling Procedure is provided in Figure 2.5.
No environmental complaint was received in this reporting period.
No environmental summons was received in this 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 Contract in August 2019 are summarized in Table 3.1.
Table 3.1 Construction Works to Be Undertaken in the Coming Month
Works to be undertaken |
Land-based Works · Construction of Thermal barrier TBM tunnel; · Construction of Walkway Corbel & Cover TBM Tunnel; · Gantry Removal TBM tunnel · Backfilling Portion N-A · RC structure Portion S-A; · Louver Installation Portion S-A; · Slab Falsework Erection Portion S-C · Marine-based Works · Seawall Modification Works Portion S-B
|
Potential environmental impacts arising from the above upcoming construction activities in the next reporting month of August 2019 are mainly associated with dust, marine water quality, marine ecology and waste management issues.
The tentative schedule for environmental monitoring in August 2019 is provided in Appendix F.
This Sixty-ninth Monthly EM&A Report presents the findings of the EM&A activities undertaken during the period from 1 to 31 July 2019, in accordance with the Updated EM&A Manual and the requirements of EP-354/2009/D.
Air quality (including 1-hour TSP and 24-hour TSP), water quality monitoring and dolphin monitoring were carried out in this reporting month.
Two (2) Action Level and one (1) Limit Level exceedances were recorded in the air quality monitoring of this reporting month.
Fifty-two (52) Action Level and Fourteen (14) Limit Level exceedances were recorded in the water quality monitoring of this reporting month.
Two group of 3 Chinese White Dolphins sighting was recorded during the two sets of surveys in July 2019. The dolphin sighting was made in NWL, while none was sighted in NEL. One of the two dolphin sightings was made during on-effort search and was made on secondary lines. The other was an off-effort sighting. The dolphin groups were not associated with any operating fishing vessel.
Environmental site inspection was carried out five (5) times in July 2019. Remedial actions recommended for the deficiencies identified during the site audits were properly implemented by the Contractor.
No non-compliance event was recorded during the reporting period.
No environmental complaint was received in this reporting period.
No environmental summons was received in this 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.