Introduction
1.
This is the 4th Monthly Environmental Monitoring and Audit (EM&A) Report
prepared by the Environmental Team (ET), Cinotech Consultants Ltd., for
Contract No. HY/2019/13
“Central Kowloon Route – Buildings, Electrical and Mechanical Works”. This
report summarized the monitoring results and audit findings of the EM&A
programme under the issued EP No. EP-457/2013/D, and in accordance with the
EM&A programme in Central Tunnel (Ho Man Tin Area) during the reporting period from 1st April 2024 – 30th April 2024.
2.
The major site activities undertaken in Central Tunnel (Ho Man Tin Area) in the
reporting month included:
l
Sub-structure works.
Environmental Monitoring Works
3.
Environmental monitoring
for the Project was performed in accordance with the EM&A Manual and the monitoring results were checked and reviewed. Joint weekly site inspections
with the representative of ET, Engineer Representative and the Contractor for
for Contract No. HY/2019/13
were conducted on 2, 9, 16, 23, 30 April 2024, whereas joint site
inspection with the representative of IEC was conducted on 9 April 2024. The implementation of the environmental mitigation measures,
Event and Action Plans and environmental complaint handling procedures were
also checked.
4.
A summary of the non-compliance (exceedance) during the reporting month (April 2024) and the investigation results and/or follow-up actions is provided below:
Air Quality Monitoring
l
No Action/Limit Level exceedance for 1-hour TSP
was recorded.
l
No Action/Limit Level exceedance for 24-hour TSP
was recorded.
l
No Action Level
exceedance for construction noise was recorded.
l
No Limit Level exceedance for construction noise was recorded.
l
No non-conformity for landscape and visual was
recorded.
Complaint Handling, Prosecution and
Public Engagement
5.
Summary of complaint/summons/prosecution in the
reporting month is tabulated in Table I.
Table I Summary
of Complaint/Summons/Prosecution in the Reporting Month
|
Event
|
Event Details
|
Follow-up/ Remedial Actions
|
Status/ Remarks
|
|
Number
|
Brief Description
|
|
Complaints Received
|
0
|
-
|
-
|
-
|
|
Notification of Summons and Prosecutions Received
|
0
|
-
|
-
|
-
|
Reporting Changes
6.
There were no reporting changes during the reporting month.
Future Key Issues
7.
The key works or activities will be anticipated in the coming two months are as follows:
l
Sub-structure works.
1.2
The Environmental Impact Assessment Report for
Central Kowloon Route – Design and Construction (Register No.: AEIAR-171/2013)
was approved under the Environmental Impact Assessment Ordinance (EIAO) on 11
July 2013. An Environmental Permit (EP No.: EP- 457/2013) was issued on 9
August 2013. Variations of Environmental Permit (VEP) was subsequently applied
and an EP (EP No. EP-457/2013/C) was issued on 16 January 2017. The latest EP
(EP No. EP-457/2013/D) was issued by Environmental Protection Department (EPD)
on 15 June 2021.
1.3
The construction of the CKR had been divided
into different sections. This Contract No. HY/2019/13 – Central Kowloon Route –
Buildings, Electrical and Mechanical Works (“The Project”) will include the
architectural, civil and structural construction works of Yau Ma Tei Ventilation Building (YVB), Ho Man Tin Ventilation
Building (HVB), Kai Tak Ventilation Building (KVB) and Central Kowloon Route
Administration Building (ADB) for the CKR. The
landscaping and electrical and mechanical (E&M) works within the building
sites will be involved as well.
1.4
Cinotech Consultants Limited was assigned as the
Environmental Team (ET) to undertake the EM&A works for the Project. The
construction of this Contract was commenced on 12th December 2020.
1.5
The construction work on the Ho Man Tin area
under Contract no. HY/2018/08 Central Kowloon Route – Central Tunnel was
completed on 31 December 2023. Contract no. HY/2019/13 Central Kowloon Route –
Buildings, Electrical and Mechanical Works in Ho Man Tin area was then
commenced on 1 January 2024 and took over the site of Ho Man Tin area.
1.6
The baseline report for environmental monitoring
was used the same as the HY/2018/08 on the Ho Man Tin area. The baseline air
quality and noise monitoring were conducted by Acuity Sustainability Consulting
Limited in January 2018. The baseline monitoring results are presented in the
Approved Baseline Monitoring Reports in accordance with EP-457/2013/C Condition
3.3 under Contract no. HY/2014/09 Central Kowloon Route – Ho Man Tin Access
Shaft.
1.7
This is the 4th Monthly EM&A Report which summarises the impact monitoring results and
audit findings for the EM&A programme in Central Tunnel (Ho Man Tin Area)
during the reporting period from 1st April 2024 – 30th April 2024. The Central Tunnel (Ho Man Tin Area) site layout plan for the Project is shown in Figure 1.
1.8
Different Parties with
different levels of involvement in the project organization include:
l
Project Proponent – Highways Department (HyD)
l
Engineer Representative (ER) – Arup – Mott
MacDonald Joint Venture (AMMJV)
l
Environmental Team (ET) – Cinotech Consultants
Limited (Cinotech)
l
Independent Environmental Checker (IEC) –
Environmental Resources Management – Hong Kong Limited (ERM)
l
Contractor – Gammon Construction Limited (GCL)
1.9
The key contacts of the Project are shown in Table 1.1.
Table 1.1 Key Project Contacts
|
Party
|
Role
|
Contact
Person
|
Phone No.
|
|
AMMJV
|
Engineer
Representative
|
Mr. Tommy
Wong
|
3695 0419
|
|
Cinotech
|
Environmental
Team
|
Ms. Betty
Choi
|
2151 2072
|
|
ERM
|
Independent
Environmental Checker
|
Ms. Mandy To
|
2271 3113
|
|
GCL
|
Contractor
|
Mr. Sampson
Lo
|
9752 9118
|
1.11
The construction programme is presented in Appendix
M.
1.12
The major site activities undertaken in the
reporting month included:
l
Sub-structure works.
1.13
The EM&A programme requires air quality
monitoring, noise monitoring, landscape and visual monitoring, and environmental site audit. The EM&A requirements for each
parameter are described in the following sections, including:
l
Environmental requirements and mitigation
measures, as recommended in the EM&A Manual under the EP.
1.15
All permits/licenses
obtained for the Project are summarized in Table 1.2.
Table 1.2 Summary of Environmental Licensing and
Permit Status
|
Permit / License No.
|
Valid Period
|
Status
|
|
From
|
To
|
|
Environmental
Permit (EP)
|
|
EP-457/2013/D
|
15 Jun 2021
|
N/A
|
Valid
|
|
Notification
of Construction Works under Air Pollution Control Ordinance (APCO)
|
|
457345
|
19 Jun 2020
|
End of Project
|
Valid
|
|
Billing
Account for Construction Waste Disposal
|
|
7037679
|
26 Jun 2020
|
N/A
|
Valid
|
|
Registration
of Chemical Waste Producer – Ho Man Tin
|
|
5213-236-G2347-61
|
28 Nov 2023
|
N/A
|
Valid
|
|
Wastewater
Discharge Licence - Ho Man Tin
|
|
WT10002215-2023
|
2 Feb 2024
|
31 Jan 2029
|
Valid
|
|
Construction
Noise Permit - Ho Man Tin
|
|
GW-RE0016-24
|
14 Jan 2024
|
13 Apr 2024
|
Valid until 13 Apr 2024
|
|
GW-RE0218-24
|
1 Mar 2024
|
31 Aug 2024
|
Valid
|
|
Construction
Noise Permit for Works at Ho Man Tin
(Special Case
for concrete pump truck)
|
|
GW-RE0399-24
|
28 Mar 2024
|
27 Sep 2024
|
Valid
|
2
2.1
According to EM&A Manual under the EP,
1-hour and 24-hour TSP monitoring were conducted to monitor the air quality for
this Project. For regular impact monitoring, a sampling frequency of at least
once in every six days at all of the monitoring stations for 24-hour TSP
monitoring. For 1-hour TSP monitoring, the sampling frequency of at least three
times in every six days shall be undertaken when the highest dust impact
occurs. Appendix A shows the established Action/Limit Levels for the
environmental monitoring works.
2.2
Only one designated monitoring station was
selected for 1-hour and 24-hour TSP impact dust monitoring programme. Both dust
monitoring was conducted at the designated monitoring station (M-A3).
2.3
Table 2.1
describes the air quality monitoring locations, which are also depicted in Figure
3.
Table 2.1 Locations for Air Quality Monitoring
|
Monitoring Stations
|
Locations
|
Location
of Measurement
|
|
M-A3
|
S.K.H. Tsoi Kung Po Secondary School
|
Rooftop
(above 3/F) Area
|
2.4
Table 2.2
summarizes the equipment used in the impact air monitoring programme. Copies of
calibration certificates are attached in Appendix B.
Table 2.2 Air Quality Monitoring Equipment
|
Equipment
|
Model
and Make
|
Serial
No.
|
Quantity
|
|
Calibrator
|
TISCH
TE-5025A
|
3864
|
1
|
|
1-hour TSP Dust Meter
|
Dust Monitor System OC-9200
|
OC20210316224101
|
1
|
|
High Volume Sampler
|
TE-5170 c/w of TSP sampling inlet
|
2204
|
1
|
|
Wind Anemometer
|
C-OC-9200-wind
|
OC20210316224101
|
1
|
2.5
Table 2.3
summarizes the monitoring parameters and frequencies of impact dust monitoring
for the whole construction period. The air quality monitoring schedule for the
reporting month is shown in Appendix D.
Table 2.3 Impact Dust Monitoring Parameters,
Frequency and Duration
|
Parameters
|
Frequency
|
|
1-hour TSP
|
Three times
/ 6 days
|
|
24-hour TSP
|
Once / 6 days
|
1-hour TSP Monitoring
Measuring Procedures
2.6
The measuring procedures of the 1-hour dust
meters were in accordance with the Manufacturer’s Instruction Manual as
follows: (OC-9200 Dust Monitoring System)
l
The 1-hour dust meter is placed at least 1.3
meters above ground.
l
Set POWER to “ON” and make sure that the battery
level was not flash or in low level.
l
Allow the instrument to stand for about 3
minutes and then the cap of the air sampling inlet has been released.
l
Push the knob at MEASURE position.
l
Set time/mode setting to [BG] by pushing the
time setting switch. Then, start the background measurement by pushing the
start/stop switch once. It will take 6 sec. to complete the background
measurement.
l
Push the time setting switch to change the time
setting display to [MANUAL] at the bottom left of the liquid crystal display.
l
Finally, push the start/stop switch to stop the
measuring after 1 hour sampling.
l
Information such as sampling date, time, count
value and site condition were recorded during the monitoring period.
Maintenance/Calibration
2.7
The following maintenance/calibration was
required for the direct dust meters:
l
Check and calibrate the meter by HVS to check
the validity and accuracy of the results measured by direct reading method at
2-month intervals throughout all stages of the air quality monitoring.
24-hour TSP Monitoring
Instrumentation
2.8
High volume (HVS) samplers (Model TE-5170),
completed with appropriate sampling inlets, were employed for 24-hour TSP
monitoring. The sampler was composed of a motor, a filter holder, a flow
controller and a sampling inlet and its performance specification complied with
that required by USEPA Standard Title 40, Code of Federation Regulations
Chapter 1 (Part 50). Moreover, the HVS also met all the requirements in section
2.5 of the updated EM&A Manual.
2.9
The positioning of the HVS samplers are as
follows:
l
A horizontal platform was provided with
appropriate support to secure the samplers against gusty wind.
l
No two samplers were placed less than 2 meters
apart.
l
The distance between the sampler and an
obstacle, such as buildings, was at least twice the height that the obstacle
protrudes above the sampler.
l
A minimum of 2 meters of separation from walls,
parapets and penthouses was required for rooftop samples.
l
A minimum of 2 meters separation from any
supporting structure, measured horizontally was required.
l
No furnaces or incineration flues were nearby.
l
Airflow around the sampler was unrestricted.
l
The sampler was more than 20 meters from the
drip line.
l
Any wire fence and gate, to protect the sampler,
should not cause any obstruction during monitoring.
Operating/analytical procedures for the operation of HVS
2.10
Operating/analytical procedures for the air
quality monitoring are highlighted as follows:
l
Prior to the commencement of the dust sampling,
the flow rate of the high volume sampler was properly set (between 1.1 m3/min.
and 1.4 m3/min.) in accordance with the manufacturer’s instruction to within
the range recommended in USEPA Standard Title 40, CFR Part 50.
l
For TSP sampling, fiberglass filters have a
collection efficiency of > 99% for particles of 0.3μm diameter were
used.
l
The power supply was checked to ensure the
sampler worked properly. On sampling, the sampler was operated for 5 minutes to
establish thermal equilibrium before placing any filter media at the designated
air monitoring station.
l
The filter holding frame was then removed by
loosening the four nuts and a weighted and conditioned filter was carefully
centred with the stamped number upwards, on a supporting screen.
l
The filter was aligned on the screen so that the
gasket formed an airtight seal on the outer edges of the filter. Then the
filter holding frame was tightened to the filter holder with swing bolts. The
applied pressure should be sufficient to avoid air leakage at the edges.
l
The shelter lid was closed and secured with the
aluminium strip.
l
The timer was then programmed. Information was
recorded on the record sheet, which included the starting time, the weather
condition and the filter number (the initial weight of the filter paper can be
found by using the filter number).
l
After sampling, the filter was removed and sent
to the HOKLAS laboratory (High Precision Chemical Testing Ltd.) for weighing.
The elapsed time was also recorded.
l
Before weighing, all filters were equilibrated
in a conditioning environment for 24 hours.
l
The conditioning environment temperature should
be between 25°C and 30°C and not vary by more than ±3°C; the relative humidity
(RH) should be < 50% and not vary by more than ±5%. A convenient working RH
is 40%.
Maintenance/Calibration
2.11
The following maintenance/calibration was
required for the HVS:
l
The high-volume motors and their accessories
were properly maintained. Appropriate maintenance such as routine motor brushes
replacement and electrical wiring checking were made to ensure that the
equipment and necessary power supply are in good working condition.
l
High volume samplers were calibrated at
bi-monthly intervals using TE-5025A Calibration Kit through\hout all stages of
the air quality monitoring.
2.12
All 1-hour TSP monitoring was conducted as
scheduled in the reporting month.
2.13
No Action/Limit Level exceedance of the 1-hour
TSP monitoring was recorded.
2.14
All 24-hour TSP monitoring was conducted as
scheduled in the reporting month.
2.15
No Action/Limit Level exceedance of the 24-hour
TSP monitoring was recorded.
2.16
The weather information for the reporting month
is summarized in Appendix C.
2.17
The monitoring data and graphical presentations
of 1-hour and 24-hour TSP monitoring results are shown in Appendix E and
Appendix F respectively.
2.18
No exceedance was recorded for the air quality
monitoring. The summary of exceedance record in reporting month is shown in Appendix
H.
2.20
According to our field observations during the
monitoring, the major dust source identified at the designated air quality
monitoring stations are road traffic dust, exposed site area and open
stockpiles, excavation works and site vehicle movements.
3
3.1
According to EM&A Manuals under the EP,
construction noise monitoring was conducted to monitor the construction noise
arising from the construction activities. The regular monitoring frequency for
each monitoring station shall be on a weekly basis and conduct one set of
measurements between 0700 and 1900 hours on normal weekdays. Appendix A
shows the established Action and Limit Levels for the environmental monitoring
works.
3.2
Only one designated monitoring station was
selected for the noise monitoring programme. Noise monitoring was conducted at
the designated monitoring station (M-N3).
3.3
Table 3.1
describes the air quality monitoring locations, which are also depicted in Figure
3.
Table 3.1 Noise Monitoring Stations
|
Monitoring Stations
|
Locations
|
Location
of Measurement
|
|
M-N3
|
S.K.H. Tsoi Kung Po Secondary School
|
Rooftop
(above 3/F) Area
|
3.4
Table 3.2
summarizes the noise monitoring equipment. Copies of calibration certificates
are provided in Appendix B.
Table 3.2 Noise Monitoring Equipment
|
Equipment
|
Model
and Make
|
Serial
No.
|
Quantity
|
|
Sound Calibrator
|
SOUNDTEK
ST-120
|
181001637
|
1
|
|
Hangzhou
Aihua Instruments Co., Ltd. AWA6021A
|
1023253,
1023064
|
2
|
|
Integrating Sound Level Meter
|
SVANTEK SVAN
979
|
27189
|
1
|
|
BSWA
Technology BSWA 308
|
570187,
580156
|
2
|
3.5
Table 3.3
summarizes the monitoring parameters, frequency and total duration of
monitoring. The noise monitoring schedule is shown in Appendix D.
Table 3.3 Noise Monitoring Parameters, Frequency
and Duration
|
Monitoring Stations
|
Parameter
|
Period
|
Frequency
|
Measurement
|
|
M-N3
|
L10(30
min.) dB(A)
L90(30
min.) dB(A)
Leq(30
min.) dB(A)
|
0700-1900
hrs on normal weekdays
|
Once per
week
|
Façade
|
3.6
The procedures for noise monitoring were as
follows:
l
The Sound Level Meter was set on a tripod at a
height of 1.2 m above the ground.
l
The battery condition was checked to ensure the
correct functioning of the meter.
l
Parameters such as frequency weighting, the time
weighting and the measurement time were set as follows:
— frequency
weighting : A
— time
weighting : Fast
— time
measurement : 30 minutes
l
Prior to and after each noise measurement, the
meter was calibrated using a Calibrator for 94.0 dB at 1000 Hz. If the
difference in the calibration level before and after measurement was more than
1.0 dB, the measurement would be considered invalid and repeat of noise
measurement would be required after re-calibration or repair of the equipment.
l
The wind speed was frequently checked with the
portable wind meter.
l
At the end of the monitoring period, the Leq,
L90 and L10 were recorded. In addition, site conditions
and noise sources were recorded on a standard record sheet.
l
Noise measurement was paused temporarily during
periods of high intrusive noise if possible and observation was recorded when
intrusive noise was not avoided.
l
Noise monitoring was cancelled in the presence
of fog, rain, and wind with a steady speed exceeding 5 m/s, or wind with gusts
exceeding 10 m/s.
Maintenance and Calibration
3.7
The microphone head of the sound level meter and
calibrator were cleaned with a soft cloth at quarterly intervals.
3.8
The sound level meter and calibrator were
checked and calibrated at yearly intervals.
3.9
Immediately prior to and following each noise
measurement the accuracy of the sound level meter shall be checked using an
acoustic calibrator generating a known sound pressure level at a known
frequency. Measurements may be accepted as valid only if the calibration levels
from before and after the noise measurement agree to within 1.0 dB.
3.11
The Baseline Noise Level and the Noise Limit
Level at the designated noise monitoring station are presented in Table 3.4.
Table 3.4 Baseline Noise Level and Noise Limit
Level for Monitoring Stations
|
Monitoring Stations
|
Baseline
Noise Level, dB (A)
|
Noise
Limit Level, dB (A)
|
|
M-N3
|
67.7(1)
(at 0700 –
1900 hrs on normal weekdays)
|
70(*)
(at 0700 –
1900 hrs on normal weekdays)
|
(*) Noise Limit Level is 65 dB(A) during school
examination periods.
Note (1): The noise level due to the construction work
(CNL) was calculated by the following formula:
CNL = 10 log (10MNL/10 – 10BNL/10)
Remarks: MNL = Measured Noise Level, BNL = Baseline
Noise Level
3.12
No Action Level and Limit Level
exceedance was recorded. The summary of exceedance record in reporting month is
shown in Appendix H.
3.13
Noise monitoring results and graphical
presentations are shown in Appendix G.
3.14
Site audits were carried out on a weekly basis
to monitor and audit the timely implementation of construction noise mitigation
measures within the site boundaries of this Project. The summary of site
audits are shown in Table 6.1 of this report.
3.15
According to our field observations during the
monitoring, the major noise sources identified at the designated noise
monitoring stations are road traffic noise, site vehicle movement, excavation
works and daily school activities.
4
4.1
Waste generated from this Project includes inert
construction and demolition (C&D) materials and non-inert C&D
materials. Inert C&D waste includes soil, broken rock, broken concrete and
building debris, while non-inert C&D materials are made up of C&D waste
which cannot be reused or recycled and has to be disposed of at the designated
landfill sites.
4.2
The quantities of different types of waste
generated in the reporting month are summarised in Table 6.1.
Details of the amount of wastes generated by the major site activities of this
Project during the reporting month is shown in Appendix L.
Table 4.1 Quantities of Waste Generated from the
Project
|
Quantity
|
|
|
Inert C&D Materials
|
Non-inert C&D Materials
|
|
Reporting Period
|
Total Quantity
Generated
(in '000m3)
|
Disposed as
Public Fill (in '000m3)
|
Others, e.g.
general refuse (in '000m3)
|
Metals
(in '000kg)
|
Paper/cardboard
Packaging
(in '000kg)
|
Plastics
(in '000kg)
|
Chemical waste (in '000kg)
|
|
April 2024
|
0.029
|
0.029
|
0.312
|
0
|
0
|
0
|
0
|
4.3
Site audits were carried out on a weekly basis
to monitor and audit to ensure that proper storage, transportation, and
disposal practices of waste materials generated during construction activities,
such as construction and demolition (C&D) materials and general refuse are
being implemented. The summary of site audits is shown
in Table 6.1 of this report. The implementation status of the
waste/chemical management measures in the reporting period are summarized in Appendix
J.
5
landscape and visual
5
5.1
According to the EM&A Manual, site audits would be undertaken during the construction phase of the
Project to check that the proposed landscape and visual mitigation measures are
properly implemented and maintained as per their intended objectives. Site
inspections of the implementation of landscape and visual mitigation measures would be undertaken at least once
every two weeks during the construction period.
5.2
Bi-weekly inspection of the implementation of
landscape and visual mitigation measures within the site boundaries of this
Project was conducted on 9
& 23 April 2024. The implementation status of the
landscape and visual mitigation measures in the reporting period are summarized
in Appendix J. The summary of observations and
recommendations made for landscape and visual mitigation measures during site
audits are shown in Table 6.1
of this report.
5.3
No non-compliance of the landscape and visual
impact was recorded in the reporting month.
5.4
Should non-compliance of the landscape and
visual impact occur, action in accordance with the action plan presented in Appendix
I shall be performed.
6
6.1
Site audits were carried out on a weekly basis
to monitor the timely implementation of proper environmental management
practices and mitigation measures in the Project site.
6.2
Site audits for Contract No. HY/2019/13 were
conducted on 2, 9, 16, 23, 30 April 2024 in the reporting
month. Joint site inspection with the representative of IEC was conducted on 9 April 2024. No non-compliance was observed during the site audit.
6.3
According to Environmental Permit, the approved EIA Report (Register No.:
AEIAR-171/2013), and the EM&A Manual of the
Project, the mitigation measures detailed in the documents are recommended to
be implemented during the construction phase. An Environmental Mitigation
Implementation Schedule (EMIS) is provided in Appendix J.
6.4
The ET weekly site inspections were carried out
during the reporting month and the observations and follow-up actions in Ho Man Tin Area are summarized in Table 6.1.
Table 6.1 Observations and Recommendations of Site
Inspections
|
Parameters
|
Date
|
Observations
|
Follow-up Actions
|
|
Water Quality
|
9 Apr 2024
|
Ponding water should be
avoided.
|
Ponding water has been removed.
|
|
Air Quality
|
N/A
|
No environmental deficiency
was identified in the reporting period.
|
N/A
|
|
Noise
|
N/A
|
No environmental deficiency
was identified in the reporting period.
|
N/A
|
|
Waste / Chemical Management
|
30 Apr 2024
|
General refuse should be
disposed of properly and regularly.
|
Tary for general refuse has been provided.
|
|
Land Contamination
|
N/A
|
No environmental deficiency
was identified in the reporting period.
|
N/A
|
|
Landscape and Visual
|
N/A
|
No environmental deficiency
was identified in the reporting period.
|
N/A
|
|
Permits /Licences
|
N/A
|
No environmental deficiency
was identified in the reporting period.
|
N/A
|
6.5
The Event Action Plans for air quality, noise
and landscape and visual are presented in Appendix I.
Air Quality Monitoring
l
No Action/Limit Level exceedance for 1-hour TSP
was recorded.
l
No Action/Limit Level exceedance for 24-hour TSP
was recorded.
Noise Monitoring
l
No Action Level
exceedance for noise was recorded.
l
No Limit Level exceedance for noise was
recorded.
Landscape and Visual Monitoring
l
No non-conformity for landscape and visual was
recorded.
6.7
Status of required submission under
EP-457/2013/D during the reporting period are summarized in Table 6.1.
Table 6.2 Status of Required Submission under
Environmental Permit
|
EP Condition
(EP-457/2013/D)
|
Submission
|
Submission Date
|
|
Condition 3.4
|
Monthly EM&A Report (March
2024)
|
12 April 2024
|
7
future Key issues
7
7.1
Major site activities
undertaken for the coming two months include:
l
Sub-structure works
7.2
Key environmental issues in the coming two months
include:
l
Stockpile accumulation on-site;
l
Water spraying for dust generating activities
and on haul road;
l
Wastewater and runoff discharge from site;
l
Coverage of open manholes to avoid dirty runoff
to drainage system;
l
Noise from operation of the equipment,
especially for excavation works and machinery onsite;
l
Accumulation of general refuse and construction
waste on-site;
l
Proper storage of construction materials
on-site; and
l
Storage of chemicals/fuel and chemical
waste/waste oil on-site.
7.3
The tentative environmental monitoring schedules
for next month are shown in Appendix D.
8
8.1
This is the 4th Monthly EM&A Report which
presents the EM&A works undertaken in Ho Man Tin area during the reporting
month from 1st April 2024 – 30th April 2024 in accordance with the EM&A
Manual and the
requirements under the EP.
Air Quality Monitoring
8.2
All 1-hr TSP monitoring was conducted as
scheduled in the reporting month.
8.3
No Action/Limit Level exceedance was recorded
for all 1-hour TSP monitoring in the reporting month.
8.4
All 24-hr TSP monitoring was conducted as
scheduled in the reporting month.
8.5
No Action/Limit Level exceedance was recorded
for all 24-hour TSP monitoring in the reporting month.
Construction Noise Monitoring
8.6
All construction noise monitoring was conducted
as scheduled in the reporting month.
8.7
No Action Level and Limit Level exceedance was
recorded.
Landscape and visual
8.8
No non-compliance
was recorded in the reporting month.
Site Audit
8.9
5 ET joint weekly
environmental site inspections were conducted in the reporting month. Joint weekly site inspections with the representative of ET,
Engineer Representative and the Contractor for Contract No. HY/2019/13 were
conducted on 2, 9, 16, 23, 30 April 2024, whereas joint site
inspection with the representative of IEC was conducted on 9 April 2024. All environmental deficiencies observed during site
inspections were rectified by the Contractor.
Complaint, Notification of Summons and Successful
Prosecution
8.10
No environmental complaints and notifications of summons and successful
prosecutions were received in the reporting month.
EXECUTIVE
SUMMARY
I. Introduction
This is the 56th Monthly
EM&A Report prepared by Fugro Technical Services Limited for the Contract
No. HY/2018/08 Central Kowloon Route – Central Tunnel. The Contract No.
HY/2018/08 commenced on 19 September 2019. This report summarized the
monitoring results and audits findings of the EM&A programme under the
issued EP (EP No.: EP-457/2013/D) and in accordance with the EM&A Manual
during the reporting period from 01/04/2024 to 30/04/2024.
II. Summary of Main Works Undertaken and Key
Measures Implemented
The main construction works carried out in
the reporting period were as follow:
Ho Man Tin1
· Underbreak scaling and smoothing works;
· Invert, lining and OHVD construction;
Yau Ma Tei
· Underbreak scaling and smoothing works;
· Plant and material lifting;
· Invert, lining and OHVD construction;
· Mucking out from tunnel;
· Road slab and invert slab construction;
· Waterproofing work;
· Cut and cover construction.
Ma Tau Kok
· Underbreak scaling and smoothing works;
· Plant and material lifting;
· Invert, lining and OHVD construction;
· Mucking out from tunnel;
· Road slab and invert slab construction;
· Waterproofing work;
· Cut and cover construction.
Kai Tak Barging Point
· Material storage & temporary C&D
handling.
Sheung Lok Street
· Erection of noise enclosure.
Ma Hang Chung Road
· Concreting.
Note:
1 Construction Work at Ho Man Tin site surface was
substantially completed. The site had been handed over to Contract No.
HY/2019/13 on 30 December 2023.
III. Summary of Exceedances, Investigation and
Follow-up
The last impact monitoring conducted by ET
of Contract HY/2018/08 at M-A3/ M-N3 was on 27 December 2023. Impact monitoring
at M-A3/ M-N3 was subsequently conducted by Environmental Team of Contract
HY/2019/13 since January 2024. The monitoring results at M-A3 and M-N3 are
presented in the monthly EM&A Report prepared by Contract No. HY/2019/13.
No Action and Limit Level exceedance was
recorded for construction dust monitoring in the reporting month.
One (1) Action Level exceedance was recorded
for construction noise due to the noise-related complaints received in the
reporting month. No Limit Level exceedance was recorded for construction noise
monitoring in the reporting month.
IV. Complaint Handling, Prosecution and Public
Engagement.
All
complaints received in the last two reporting months were finalized.
One (1)
noise-related complaint (5th April 2024), One (1)
malodour-related complaint (23rd April 2024) and One (1)
water-related complaint (i.e. 24th April 2024) was
received in the reporting month.
The complaint cases in February, March and
April 2024 are summarized in Table I.
Table I Environmental Complaints Log
|
Complaint Log No.
|
Date of Complaint
|
Received From
|
Nature of Complaint
|
Status
|
|
EC187_CKRCT20240228_769
|
28th February 2024
|
The Contractor Hotline
|
Nighttime Noise
|
Investigation report was finalized on 15th April
2024.
|
|
EC188_CKRCT20240304_770
|
4th March 2024
|
1823
|
Overflow of sewage
|
Investigation report was finalized on 15th April
2024.
|
|
EC189_CKRCT20240327_775
|
27th March 2024
|
Contractor Hotline
|
Nighttime Noise
|
Investigation report was finalized on 23rd April
2024.
|
|
EC191_CKRCT20240423_781
|
23rd April 2024
|
Email referred from EPD
|
Malodour from Concrete Truck
|
Investigation report was finalized on 26th April
2024.
|
|
EC192_CKRCT20240405_777
|
5th April 2024
|
The Contractor Hotline
|
Nighttime Noise
|
Investigation report was finalized on 2nd May
2024.
|
|
EC193_CKRCT20240424_782
|
24th April 2024
|
Letter
|
Flooding caused by blockage of drainage
|
Under investigation
and the investigation results will be reported in the subsequent Monthly
EM&A Report.
|
No notification of summons and prosecutions
were received in the reporting period.
No public engagement activities were
conducted in the reporting period.
V. Reporting Change
There were no reporting changes during the
reporting month.
VI. Future Key Issues
The main works will be anticipated in the
next reporting period are as follow:
Ho Man Tin1
· Underbreak scaling and smoothing works;
· Invert, lining and OHVD construction.
Yau Ma Tei
· Underbreak scaling and smoothing works;
· Plant and material lifting;
· Invert, lining and OHVD construction;
· Mucking out from tunnel;
· Road slab and invert slab construction;
· Waterproofing work;
· Cut and cover construction.
Ma Tau Kok
· Underbreak scaling and smoothing works;
· Plant and material lifting;
· Invert, lining and OHVD construction;
· Mucking out from tunnel;
· Road slab and invert slab construction;
· Waterproofing work;
· Cut and cover construction
Kai Tak Barging Point
· Material storage.
Sheung Lok Street
· Backfilling and road reinstatement.
Ma Hang Chung Road
· Concreting.
Note:
1 Construction Work at Ho Man Tin site surface was
substantially completed. The site had been handed over to Contract No.
HY/2019/13 on 30 December 2023.
The recommended mitigation measures
corresponding to the main works in the next reporting period are listed as
follow:
· Good relationship shall be maintained with
the nearby sensitive receivers/ stakeholders which may be affected by the
construction works such as providing better/ more detail information of the
work nature and inform in advance of the works to the nearby residents;
· Any excavated, stockpile of dusty material
or load of dusty materials on a vehicle leaving a construction site should be
covered entirely by impervious sheeting;
· All construction plants / machineries should
be checked / serviced on a regular basis during the courses of construction to
minimize the emission of noise generation and eliminate dark
smoke emission;
· All C&D materials generated should be
transported and stored at temporary storage area. Suitable materials should be
sorted for reuse on-site;
· Every vehicle shall be cleaned thorough at
the designated wheel washing area onsite;
· Wastewater generated from drilling shall be
properly collected for reuse or treated by wastewater treatment facilities
before discharge;
· Provision of drip trays for equipment likely
cause spillage of chemical / fuel, and provide routine maintenance;
· Erecting temporary noise barrier for noisy
Powered Mechanical Equipment (PME) and deployment of Quality Powered Mechanical
Equipment (QPME) as many as practicable;
· Conditions in the Environmental Permit and
License should be followed;
· All recommended mitigation measures
specified in the approved EIA Report and EM&A Manual shall
be implemented;
· All vehicles should be cleaned before
leaving the construction site to ensure no muddy deposited by them on roads.
The following EP submissions were submitted
during the reporting month:
Table II Status of Required Submission under
Environmental Permit
|
EP
Condition
|
Submission
|
Submission
Date
|
|
3.4
|
Monthly EM&A Report (March 2024)
|
9 April 2024
|
Contents
1 INTRODUCTION
1.1 Background
1.2 Project Organization
1.3 Construction
Programme and Activities
1.4 Works undertaken
during the month
1.5 Status of
Environmental Licences, Notification and Permits
2 ENVIRONMENTAL
MONITORING REQUIREMENTS
2.1 Construction Dust and
Noise Monitoring Locations
2.2 Construction Dust
Monitoring
2.3 Construction Noise
Monitoring
2.4 Landscape and Visual
3 ENVIRONMENTAL
MONITORING RESULTS
3.1 Construction Dust
Monitoring
3.2 Construction Noise
Monitoring
3.3 Waste Management
3.4 Landscape and Visual
5 ENVIRONMENTAL
COMPLAINT AND NON-COMPLIANCE
5.1 Complaint Handling,
Prosecution and Public Engagement
5.2 Summary of
Environmental Non-Compliance
5.3 Summary of Monitoring
Exceedance
8 CONCLUSION AND
RECOMMENDATIONS
Tables
Table I – Environmental Complaints Log
Table II – Status of Required Submission under
Environmental Permit
Table 1.1
– Contact Information of Key Personnel
Table 1.2
– Environmental Licenses, Notification and Permits Summary
Table 2.1
– Construction Dust and Noise Monitoring Location
Table 2.2
– Construction Noise Monitoring Parameters, Frequency and Duration
Table 4.1
– Observations and Recommendation of Site Inspection in the Reporting Period
Table 5.1
– Environmental Complaints Log
Table 6.1
– Status of Required Submission under Environmental Permit
Figures
Figure 2.3 The Location of the Construction Dust and Noise
Monitoring Stations (Yau Ma Tei)
Appendices
Appendix F Waste Flow Table
1 INTRODUCTION
1.1 Background
1.1.1 In order to meet the traffic demand and
relieve traffic congestion on the existing east-west roads across Central
Kowloon, Central Kowloon Route (CKR) (hereinafter referred to as “the Project”)
is proposed which is a 4.7 km long dual 3-lane trunk road in Central Kowloon
linking Yau Ma Tei Interchange in West Kowloon with the road network
on Kai Tak Development and Kowloon Bay in East Kowloon.
1.1.2 The Central Kowloon Route – Design and Construction
Environmental Impact Assessment Report (Register No.: AEIAR-171/2013) was
approved with conditions by the Environmental Protection Department (EPD) on 11
July 2013. An Environmental Permit (EP-457/2013) was issued on 9 August 2013. A
variation of EP (VEP-594/2021) was applied on 26 May 2021 and the latest EP
(EP-457/2013/D) was issued by EPD on 15 June 2021.
1.1.3 Contract No. HY/2018/08 Central Kowloon
Route – Central Tunnel (hereinafter referred to as “the Contract”), is one of
the contracts of CKR which included the construction of the central tunnel,
cut-and-cover tunnels at Yau Ma Tei and Ma Tau Kok and construction
of piles and diaphragm walls for Ho Man Tin ventilation building.
1.1.4 Fugro Technical Services Limited (FTS) was
appointed by Bouygues Travaux Publics (BTP) as the Environmental Team (ET)
under the Contract no. HY/2018/08 to execute the environmental monitoring and
audit (EM&A) programme under the issued EP (EP No.: EP-457/2013/D) and in
accordance with the EM&A Manual.
1.1.5 This is the 56th Monthly
EM&A Report prepared by FTS for the Contract No. HY/2018/08 Central Kowloon
Route – Central Tunnel. The Contract No. HY/2018/08 commenced on 19 September
2019. This report summarized the monitoring results and audits findings of the
EM&A programme under the issued EP (EP No.: EP-457/2013/D) and in
accordance with the EM&A Manual during the reporting period from 01/04/2024
to 30/04/2024.
1.2 Project Organization
1.2.1 The Project Organization structure is shown
in Appendix B. The key personnel contact names and numbers are
summarized in Table 1.1.
Table 1.1 Contact
Information of Key Personnel
|
Party
|
Position
|
Name
|
Telephone
|
|
Highways Department (HyD)
|
E13/CKR
|
Mr. Joe Lam
|
2762 3380
|
|
Arup-Mott MacDonald Joint Venture (AMMJV)
|
Senior Resident Engineer
|
Mr. Ben Poon
|
3619 5967
|
|
ERM-Hong Kong, Limited (ERM)
|
Independent Environmental Checker (IEC)
|
Ms. Mandy To
|
2271 3000
|
|
Bouygues Travaux Publics (BTP)
|
Environmental Manager
|
Mr. Simon Wong
|
9281 4346
|
|
Fugro Technical Services Limited
|
ET Leader
|
Mr. Calvin Leung
|
3565 4441
|
1.3 Construction Programme and Activities
1.3.1 The construction phase of this Contract
under the EP commenced in October 2019. The site layout plan of the Contract is
shown in Figure 1.
1.3.2 The construction programme of this Contract
is shown in Appendix A.
1.4 Works undertaken during the month
1.4.1 The main construction works carried out in
the reporting period were as follow:
Ho Man Tin1
· Underbreak scaling and smoothing works;
· Invert, lining and OHVD construction;
Yau Ma Tei
· Underbreak scaling and smoothing works;
· Plant and material lifting;
· Invert, lining and OHVD construction;
· Mucking out from tunnel;
· Road slab and invert slab construction;
· Waterproofing work;
· Cut and cover construction.
Ma Tau Kok
· Underbreak scaling and smoothing works;
· Plant and material lifting;
· Invert, lining and OHVD construction;
· Mucking out from tunnel;
· Road slab and invert slab construction;
· Waterproofing work;
· Cut and cover construction.
Kai Tak Barging Point
· Material storage & temporary C&D
handling.
Sheung Lok Street
· Erection of noise enclosure.
Ma Hang Chung Road
· Concreting.
Note:
1 Construction Work at Ho Man Tin site surface was substantially
completed. The site had been handed over to Contract No. HY/2019/13 on 30
December 2023.
1.5 Status of Environmental Licences,
Notification and Permits
1.5.1 A summary of the relevant permits, licenses
and/or notifications on environmental protection for this Contract is presented
in Table 1.2.
Table 1.2 Environmental
Licenses, Notification and Permits Summary
|
Permit/
Notification/ License
|
Reference No
|
Valid From
|
Valid Till
|
|
Form NB
|
448930, 448970, 448971
|
Mid-Sep 2019
|
NA
|
|
Billing Account for Disposal of C&D
waste
|
Account no. 7034790
|
06 Aug 2019
|
NA
|
|
Chemical Waste Producer Registration (Ho
Man Tin Construction site)
|
5111-236-B2557-02
|
25 Sep 2019
|
NA
|
|
Chemical Waste Producer Registration (Yau
Ma Tei Construction site)
|
5213-225-B2557-05
|
19 Apr 2021
|
NA
|
|
Chemical Waste Producer Registration (Ma
Tau Kok Construction site)
|
5213-247-B2557-06
|
19 Apr 2021
|
NA
|
|
Construction
Noise Permit
|
|
Construction Noise Permit (Ho Man Tin
Construction site)
|
GW-RE0286-24
|
14 Mar 2024
|
13 Sep 2024
|
|
Construction Noise Permit (Yau
Ma Tei Construction site)
|
GW-RE0015-24
|
13 Jan 2024
|
12 Apr 2024
|
|
Construction Noise Permit (Yau
Ma Tei Construction site)
|
GW-RE0182-24
|
17 Feb 2024
|
16 May 2024
|
|
Construction Noise Permit (Yau
Ma Tei Construction site)
|
GW-RE0363-24
|
23 Mar 2024
|
22 Sep 2024
|
|
Construction Noise Permit
(Ma Tau Kok Construction site)
|
GW-RE0137-24
|
9 Feb 2024
|
08 May 2024
|
|
Construction Noise Permit
(Ma Tau Kok Construction site)
|
GW-RE0171-24
|
18 Feb 2024
|
17 Aug 2024
|
|
Construction Noise Permit (Kai Tak Barging
Point)
|
GW-RE1526-23
|
01 Dec 2023
|
29 Apr 2024
|
|
Construction Noise Permit (Kai Tak Barging
Point)1
|
GW-RE0457-24
|
17 Apr 2024
|
11 Oct 2024
|
|
Construction Noise Permit (Sheung Lok Street)
|
GW-RE1422-23
|
14 Nov 2023
|
13 Mar 2024
|
|
Water
Discharge License
|
|
Water Discharge License
|
WT00034873-2019
(Ho Man Tin Construction site)
|
22 Nov 2019
|
30 Nov 2024
|
|
WT00035436-2019
(Portion 18)
|
02 Apr 2020
|
30 Apr 2025
|
|
WT00037723-2021
(Yau Ma Tei Construction site)
|
07 Apr 2021
|
30 Apr 2026
|
|
WT00037883-2021
(Ma Tau Kok Construction site)
|
30 Apr 2021
|
30 Apr 2026
|
|
WT00042304-2022
(Sheung Lok Street)
|
13 Oct 2022
|
31 Oct 2027
|
|
WT10001427-20233
(Ma Hang Chung Road)
|
4 Dec 2023
|
31 Dec 2028
|
Notes:
1 GW-RE1526-23
was superseded by GW-RE0457-24 since 17 April 2024.
2 ENVIRONMENTAL MONITORING REQUIREMENTS
2.1 Construction Dust and Noise Monitoring
Locations
2.1.1 Three construction dust monitoring locations
and five construction noise monitoring locations pertinent to the Project have
been identified based on the approved EM&A Manual for the Project. The
locations of the construction dust and noise monitoring stations are summarized
in Table 2.1 as displayed in Figures 2.1 - 2.3.
Table 2.1 Construction
Dust and Noise Monitoring Locations
|
Dust
Monitoring Station ID
|
Noise
Monitoring Station ID
|
Monitoring
Location
|
|
M-A3
|
M-N3
|
SKH Tsoi Kung Po Secondary School
|
|
/
|
E-N12a
|
19 Hing Yan Street
|
|
E-A14a
|
E-N21a
|
Block B of Merit Industrial Centre
|
|
W-A6
|
/
|
Man Cheong building
|
|
/
|
W-N18
|
Hydan Place
|
|
/
|
W-N25A
|
Prosperous Garden Block 1
|
Notes:
1. The
dust and noise monitoring stations proposed in the EM&A Manual for M-A6/ M-N6 (i.e. Ko Fai House, Kwun Fai Court) was not
available for impact dust and noise monitoring, therefore impact monitoring was
conducted at M-A3/ M-N3 as an alternative which was agreed by the ER, IEC and
EPD;
2. The
noise monitoring station proposed in the EM&A Manual for E-N12
(i.e. Grand Waterfront Tower 3) was not available for impact dust and
noise monitoring, therefore impact monitoring was conducted at E-N12a as an
alternative which was agreed by the ER, IEC and EPD;
3. The
dust and noise monitoring stations proposed in the EM&A Manual for E-A14
(i.e. Wyler Gardens) and E-N21 (i.e Hang Chien Court Block J) was not
available for impact dust and noise monitoring, therefore impact monitoring was
conducted at E-A14a/ E-N21a as an alternative which was agreed by the ER, IEC
and EPD;
4. The
dust monitoring stations proposed in the EM&A Manual for W-A5
(i.e. The Coronation) was not available for impact dust monitoring,
therefore impact monitoring was conducted at W-A6 as an alternative which was
agreed by the ER, IEC and EPD.
2.1.2 The last impact monitoring conducted by ET
of Contract HY/2018/08 at M-A3/ M-N3 was on 27 December 2023. Impact monitoring
at M-A3/ M-N3 was subsequently conducted by Environmental Team of Contract
HY/2019/13 since January 2024 (Figure
2.1).
2.1.3 The construction dust and noise monitoring
locations at M-A3 and M-N3 are covered by Contract No. HY/2019/13 Central
Kowloon Route – Buildings, Electrical and Mechanical Works. The monitoring
results at M-A3 and M-N3 are presented in the monthly EM&A Report prepared
by Contract No. HY/2019/13.
2.1.4 The construction dust and noise
monitoring locations at E-A14a, E-N12a and E-N21a are now covered by Contract
No. HY/2014/07 Central Kowloon Route – Kai Tak West. The monitoring results at
E-A14a, E-N12a and E-N21a in the reporting month are presented in the monthly
EM&A Report prepared by Contract No. HY/2014/07.
2.1.5 The construction dust and noise monitoring
locations at W-A6, W-N18 and W-N25A are now covered by Contract No. HY/2014/08
Central Kowloon Route –Yau Ma Tei East. The monitoring results at
W-A6, W-N18 and W-N25A in the reporting month are presented in the monthly
EM&A Report prepared by Contract No. HY/2014/08.
2.2 Construction Dust Monitoring
Monitoring Requirement
2.2.1 In accordance with the approved EM&A
Manual, 1-hour and 24-hour Total Suspended Particulates (TSP) levels
should be measured at the designated air quality monitoring stations to
indicate the impacts of construction dust on air quality. Regular Impact
24-hour TSP monitoring should be carried out for at least once every 6 days,
and 1-hour TSP monitoring should be done at least 3 times every 6 days when the
highest dust impact occurs.
Monitoring Equipment
2.2.2 24-hour TSP air quality monitoring was
performed using High Volume Sampler (HVS) deployed at the designated monitoring
station. The HVS shall meet all the requirements of the EM&A Manual.
2.2.3 A portable direct reading dust meter was
used to carry out the 1-hour TSP monitoring.
2.3 Construction Noise Monitoring
Monitoring Requirement
2.3.1 In accordance with the EM&A Manual,
impact noise monitoring should be conducted at the designated noise monitoring
stations for at least once a week during the construction phase of the Project.
The parameters, frequency and duration of impact noise monitoring is summarized
in Table 2.2.
Table 2.2 Construction
Noise Monitoring Parameters, Frequency and Duration
|
Parameter
|
Duration
|
Frequency
|
|
A-weighted equivalent continuous sound pressure level
(Leq). L10 and L90 were also recorded
|
30 minutes
|
At least once per week
|
Monitoring Equipment
2.3.2 Noise monitoring was performed using sound level
meter at the designated monitoring station. The sound level meters deployed
comply with the International Electrotechnical Commission Publications 651:1979
(Type 1) and 804:1985 (Type 1) specifications. Acoustic calibrator was deployed
to check the sound level meters at a known sound pressure level.
2.4 Landscape and Visual
2.4.1 As per the EM&A Manual, the landscape
and visual mitigation measures shall be implemented and site
inspections should be undertaken once every two weeks during the construction
period. A summary of the implementation status is presented in Section
4.
3 ENVIRONMENTAL MONITORING RESULTS
3.1 Construction Dust Monitoring
3.1.1 The last impact monitoring conducted by ET
of Contract HY/2018/08 was on 27 December 2023. Impact monitoring at M-A3 was
subsequently conducted by Environmental Team of Contract HY/2019/13 since
January 2024. The monitoring results at M-A3 and M-N3 are presented in the
monthly EM&A Report prepared by Contract No. HY/2019/13.
3.1.2 No Action and Limit Level exceedance was
recorded for construction dust monitoring in the reporting month.
3.2 Construction Noise Monitoring
3.2.1 The last impact monitoring conducted by ET
of Contract HY/2018/08 was on 27 December 2023. Impact monitoring at M-N3 was
subsequently conducted by Environmental Team of Contract HY/2019/13 since
January 2024. The monitoring results at M-A3 and M-N3 are presented in the
monthly EM&A Report prepared by Contract No. HY/2019/13.
3.2.2 One (1) Action Level exceedance was recorded
for construction noise due to the noise-related complaints received in the
reporting month. No Limit Level exceedance was recorded for construction noise
monitoring in the reporting month.
3.3 Waste Management
3.3.1 Auditing of waste management practices
during regular site inspections confirmed that the waste generated during
construction were properly, stored, handled and disposed of in general. The Contractor was responsible for the implementation of
any mitigation measures to reduce waste or redress issues arising from the
waste materials.
3.3.2 The implemented environmental mitigation
measures for the waste management in the reporting period are summarized
in Appendix D. The summary of observations and recommendations made
for waste management during the site inspections are presented in Table
4.1.
3.3.3 Monthly summary of waste flow table is
detailed in Appendix F.
3.4 Landscape and Visual
3.4.1 Bi-weekly inspections of the implementation
of landscape and visual mitigation measures were conducted on 8 and 23 April
2024. The implementation the landscape and visual mitigation measures in the
reporting period are summarized in Appendix D. The summary of
observations and recommendations made for landscape and visual mitigation
measures during the site inspections are presented in Table 4.1.
3.4.2 The Event and Action Plan for landscape and
visual during construction phase is given in Appendix C.
4 ENVIRONMENTAL SITE INSPECTION AND AUDIT
4.1.1 Site inspections were carried out on a
weekly basis to monitor the implementation of proper environmental pollution
control and mitigation measures for the Project. A summary of the mitigation measures
implementation status is provided in Appendix D.
4.1.2 In the reporting month, five site
inspections were carried out on 2, 8 (with IEC), 16, 23 and 30 April 2024.
Details of observations recorded during the site inspections are presented
in Table 4.1.
Table 4.1 Observations
and Recommendation of Site Inspection in the Reporting Period
|
Environmental Aspect
|
Date
|
Observations, Reminders, and Recommendations
|
Follow-up Actions
|
|
Air Quality
|
Nil
|
Nil
|
Nil
|
|
Nil
|
Nil
|
Nil
|
|
Noise
|
Nil
|
Nil
|
Nil
|
|
Water Quality
|
8 April 2024
|
Contractor was reminded to keep contact with supplier and arrange a
maintenance for the pH monitor screen of the wastewater treatment plant.
|
Nil
|
|
Waste Management
|
Nil
|
Nil
|
Nil
|
|
Landscape and Visual
|
Nil
|
Nil
|
Nil
|
|
Permit/ Licenses
|
Nil
|
Nil
|
Nil
|
5 ENVIRONMENTAL COMPLAINT AND NON-COMPLIANCE
5.1 Complaint Handling, Prosecution and Public
Engagement
5.1.1 All complaints received in the last two
reporting months were finalized.
5.1.2 One (1) noise-related complaint (5th April
2024), One (1) malodour-related complaint (23rd April 2024) and
One (1) water-related complaint (i.e. 24th April 2024) was
received in the reporting month.
5.1.3 The complaint cases in February, March and
April 2024 are summarized in Table 5.1.
Table 5.1 Environmental
Complaints Log
|
Complaint Log No.
|
Date of Complaint
|
Received From
|
Nature of Complaint
|
Status
|
|
EC187_CKRCT20240228_769
|
28th February 2024
|
The Contractor Hotline
|
Nighttime Noise
|
Investigation report was finalized on 15th April
2024.
|
|
EC188_CKRCT20240304_770
|
4th March 2024
|
1823
|
Overflow of sewage
|
Investigation report was finalized on 15th April
2024.
|
|
EC189_CKRCT20240327_775
|
27th March 2024
|
Contractor Hotline
|
Nighttime Noise
|
Investigation report was finalized on 23rd April
2024.
|
|
EC191_CKRCT20240423_781
|
23rd April 2024
|
Email referred from EPD
|
Malodour from Concrete Truck
|
Investigation report was finalized on 26th April
2024.
|
|
EC192_CKRCT20240405_777
|
5th April 2024
|
The Contractor Hotline
|
Nighttime Noise
|
Investigation report was finalized on 2nd May
2024.
|
|
EC193_CKRCT20240424_782
|
24th April 2024
|
Letter
|
Flooding caused by blockage of drainage
|
Under investigation and the investigation results will
be reported in the subsequent Monthly EM&A Report.
|
5.1.4 Cumulative complaint log, summaries of
complaints, notification of summons and successful prosecutions are presented
in Appendix E.
5.1.5 No public engagement activities were conducted
in the reporting period.
5.2 Summary of Environmental Non-Compliance
5.2.1 No environmental non-compliance was recorded
in the reporting period.
5.3 Summary of Monitoring Exceedance
5.3.1 The last impact monitoring conducted by ET
of Contract HY/2018/08 at M-A3/ M-N3 was on 27 December 2023. Impact monitoring
at M-A3/ M-N3 was subsequently conducted by Environmental Team of Contract
HY/2019/13 since January 2024. The monitoring
results at M-A3 and M-N3 are presented in the monthly EM&A Report prepared
by Contract No. HY/2019/13.
5.3.2 No Action and Limit Level exceedance was
recorded for construction dust monitoring in the reporting month.
5.3.3 One (1) Action Level exceedance was recorded
for construction noise due to the noise-related complaints received in the
reporting month. No Limit Level exceedance was recorded for construction noise
monitoring in the reporting month.
6 IMPLEMENTATION STATUS OF ENVIRONMENTAL
MITIGATION MEASURE
6.1.1 The Contractor had implemented environmental
mitigation measures and requirements as stated in the EIA Report, the EP and
EM&A Manual. The implementation status of the environmental mitigation
measures during the reporting period is summarized in Appendix D.
Status of required submissions under the EP during the reporting period is
summarised in Table 6.1.
Table 6.1 Status
of Required Submission under Environmental Permit
|
EP
Condition
|
Submission
|
Submission
Date
|
|
3.4
|
Monthly EM&A Report (March 2024)
|
9 April 2024
|
7 FUTURE KEY ISSUES
7.1.1 The main works will be anticipated in the
next reporting period are as follow:
Ho Man Tin1
· Underbreak scaling and smoothing works;
· Invert, lining and OHVD construction.
Yau Ma Tei
· Underbreak scaling and smoothing works;
· Plant and material lifting;
· Invert, lining and OHVD construction;
· Mucking out from tunnel;
· Road slab and invert slab construction;
· Waterproofing work;
· Cut and cover construction.
Ma Tau Kok
· Underbreak scaling and smoothing works;
· Plant and material lifting;
· Invert, lining and OHVD construction;
· Mucking out from tunnel;
· Road slab and invert slab construction;
· Waterproofing work;
· Cut and cover construction
Kai Tak Barging Point
· Material storage.
Sheung Lok Street
· Backfilling and road reinstatement.
Ma Hang Chung Road
· Concreting.
Note:
1 Construction Work at Ho Man Tin site surface was
substantially completed. The site had been handed over to Contract No.
HY/2019/13 on 30 December 2023.
7.1.2 The recommended mitigation measures
corresponding to the main works in the next reporting period are listed as
follows:
· Good relationship shall be maintained with
the nearby sensitive receivers/ stakeholders which may be affected by the
construction works such as providing better/ more detail information of the
work nature and inform in advance of the works to the nearby residents;
· Any excavated, stockpile of dusty material
or load of dusty materials on a vehicle leaving a construction site should be
covered entirely by impervious sheeting;
· All construction plants / machineries should
be checked / serviced on a regular basis during the courses of construction to
minimize the emission of noise generation and eliminate dark
smoke emission;
· All C&D materials generated should be
transported and stored at temporary storage area. Suitable materials should be
sorted for reuse on-site;
· Every vehicle shall be cleaned thorough at
the designated wheel washing area onsite;
· Wastewater generated from drilling shall be
properly collected for reuse or treated by wastewater treatment facilities
before discharge;
· Provision of drip trays for equipment likely
cause spillage of chemical / fuel, and provide routine maintenance;
· Erecting temporary noise barrier for noisy
Powered Mechanical Equipment (PME) and deployment of Quality Powered Mechanical
Equipment (QPME) as many as practicable;
· Conditions in the Environmental Permit and
License should be followed;
· All recommended mitigation measures
specified in the approved EIA Report and EM&A Manual shall be implemented.
· All vehicles should be cleaned before leaving
the construction site to ensure no muddy deposited by them on roads.
8 CONCLUSION AND RECOMMENDATIONS
8.1.1 The 56th Monthly EM&A
Report for the Contract No. HY/2018/08 Central Kowloon Route – Central Tunnel
summarized the monitoring results and audits findings of the EM&A programme
under the issued EP (EP No.: EP-457/2013/D) and in accordance with the EM&A
Manual during the reporting period from 01/04/2024 to 30/04/2024.
8.1.2 No construction noise monitoring was
conducted in the reporting month as the site had been handed over to Contract
No. HY/2019/13 on 30 December 2023. Impact monitoring at M-A3/ M-N3 has been
conducted by Environmental Team (HY/2019/13) since January 2024.
8.1.3 One (1) Action Level exceedance was recorded
for construction noise due to the noise-related complaints received in the
reporting month. No Limit Level exceedance was recorded for construction noise
monitoring in the reporting month. No Action and Limit Level exceedance was
recorded for construction dust monitoring in the reporting month.
8.1.4 Weekly environmental site inspections were
conducted during the reporting period. In general, the Contractor had
implemented environmental mitigation measures and requirements as stated in the
EIA Report, the EP and EM&A Manual.
8.1.5 All complaints received in the last two
reporting months were finalized.
8.1.6 One (1) noise-related complaint (5th April
2024), One (1) malodour-related complaint (23rd April 2024) and
One (1) water-related complaint (i.e. 24th April 2024) was
received in the reporting month.
8.1.7 No environmental related prosecutions or
notification of summons were received in the reporting period.
8.1.8 No environmental non-compliance was recorded
in the reporting period.
8.1.9 According to the environmental site
inspections performed in the reporting month, the following recommendations
were provided:
Air Quality Impact
· No specific observation was identified in
the reporting month.
Construction Noise Impact
· No specific observation was identified in
the reporting month.
Water Quality Impact
· Contractor was reminded to keep contact with
supplier and arrange a maintenance for the pH monitor screen of the wastewater
treatment plant.
Waste Management
· No specific observation was identified in
the reporting month.
Landscape and Visual Impact
· No specific observation was identified in
the reporting month.
Permit/ Licenses
· No specific observation was identified in
the reporting month.
