Introduction
1.
This is the 3rd 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 March 2024 – 31st March
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 5, 12, 19, 26 March
2024, whereas joint site inspection with the representative of IEC was
conducted on 19 March 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 (March 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
One (1) 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
|
1
|
A complaint was received from
1823 on 6 March 2024 regarding noise nuisance from the Ho Man Tin site.
|
Enhance
mitigation measures regarding the potential noise sources on the site
|
EPD and complainant have no further comment.
|
|
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 3rd 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 March
2024 – 31st March 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
|
|
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.
|
Monitoring
Stations
|
Locations
|
Location of Measurement
|
|
M-A3
|
S.K.H. Tsoi Kung Po Secondary School
|
Rooftop (about 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.
|
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.
|
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.
2.8
24-hour TSP
Monitoring
Instrumentation
2.9
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.
2.10
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
2.11
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
2.12 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.
2.13
All 1-hour TSP monitoring was
conducted as scheduled in the reporting month.
2.14
No Action/Limit Level
exceedance of the 1-hour TSP monitoring was recorded.
2.15
All 24-hour TSP monitoring was
conducted as scheduled in the reporting month.
2.16
No Action/Limit Level
exceedance of the 24-hour TSP monitoring was recorded.
2.17
The weather information for the
reporting month is summarized in Appendix C.
2.18
The monitoring data and
graphical presentations of 1-hour and 24-hour TSP monitoring results are shown
in Appendix E and Appendix F respectively.
2.19
No exceedance was recorded for
the air quality monitoring. The summary of exceedance record in reporting month
is shown in Appendix H.
2.21 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.
|
Monitoring
Stations
|
Locations
|
Location of Measurement
|
|
M-N3
|
S.K.H. Tsoi Kung Po Secondary School
|
Rooftop (about 3/F) Area
|
3.4
Table 3.2 summarizes the noise monitoring equipment. Copies of calibration
certificates are provided in Appendix B.
|
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.
|
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.
|
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
One (1) Action Level exceedance was recorded, as a complaint about Noise
Nuisance was received on 6 Mar.
3.13 No Limit Level exceedance was recorded. The summary of exceedance
record in reporting month is shown in Appendix H.
3.14 Noise monitoring results and graphical presentations are shown in Appendix
G.
3.15
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.
3.16 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)
|
|
March 2024
|
0.030
|
0.030
|
0.300
|
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 12 & 26 March 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 5, 12, 19, 26 March 2024 in the reporting
month. Joint site inspection with the representative of IEC was conducted on
19 March 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 Central Tunnel Area are summarized in Table 6.1.
Table 6.1 Observations
and Recommendations of Site Inspections
|
Parameters
|
Date
|
Observations
|
Follow-up
Actions
|
|
Water Quality
|
5 Mar 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
|
12 Mar 2024
|
Drip
tray should be provided for chemicals.
|
Chemicals have been
removed.
|
|
19 Mar 2024
|
Drip
tray should be provided for chemicals.
|
Drip tray 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 One (1) 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 (February 2024)
|
14 March 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 3rd Monthly EM&A Report which presents the EM&A
works undertaken in Ho Man Tin area during the reporting month from 1st March 2024 – 31st March 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
One (1) Action Level exceedance was recorded.
8.8
No Limit Level exceedance was recorded.
Landscape and visual
8.9
No non-compliance was recorded
in the reporting month.
Site Audit
Complaint, Notification of
Summons and Successful Prosecution
8.11
An environmental complaint
about the Noise Nuisance at HVB was received in the reporting month. EPD and complainant have no further comment.
8.12
No notifications of summons and
successful prosecutions were received in the reporting month.
EXECUTIVE SUMMARY
I. Introduction
This is
the 55th 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 01/03/2024
to 31/03/2024.
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.
One (1) noise-related complaints received in the
last reporting month were still under investigation. The investigation result
will be reported in the subsequent Monthly EM&A Report.
One (1) wastewater-related complaint (4th March
2024), One malodour-related complaint (5th March 2024)
and One (1) noise-related complaint (i.e. 27th March
2024) was received in the reporting month.
The complaint
cases in February and March 2024 are summarized in Table I.
Table I Environmental
Complaints Log
|
Complaint Log No.
|
Date of Complaint
|
Received From
|
Nature of Complaint
|
Status
|
|
EC184_CKRCT20240217_766
|
17th February 2024
|
The Contractor Hotline
|
Nighttime Noise
|
Investigation report was finalized on 12th March
2024.
|
|
EC185_CKRCT20240220_767
|
20th February 2024
|
1823
|
Daytime and Nighttime Noise
|
Investigation report was finalized on 9th April
2024.
|
|
EC186_CKRCT20240226_768
|
26th February 2024
|
1823
|
Nighttime Noise
|
Investigation report was finalized on 9th April
2024.
|
|
EC187_CKRCT20240228_769
|
28th February 2024
|
The Contractor Hotline
|
Nighttime Noise
|
Under investigation and the investigation results
will be reported in the subsequent Monthly EM&A Report.
|
|
EC188_CKRCT20240304_770
|
4th March 2024
|
1823
|
Overflow of sewage
|
Under investigation and the investigation results
will be reported in the subsequent Monthly EM&A Report.
|
|
EC190_CKRCT20240305_772
|
5th March 2024
|
Email referral from EPD
|
Malodour from Concrete Truck
|
Investigation report was finalized on 19th March
2024.
|
|
EC189_CKRCT20240327_775
|
27th March 2024
|
Contractor Hotline
|
Nighttime Noise
|
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 & temporary C&D handling.
Sheung Lok Street
· Erection of noise enclosure;
· Breaking of concrete slab.
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
(February 2024)
|
8 March 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 55th 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 01/03/2024 to 31/03/2024.
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-RE0005-24
|
14 Jan 2024
|
13 Mar 2024
|
|
Construction
Noise Permit (Ho Man Tin Construction site)1
|
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-RE1606-23
|
23 Dec 2023
|
22 Mar 2024
|
|
Construction
Noise Permit (Yau Ma Tei Construction site)2
|
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 (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-RE0005-24 was superseded by GW-RE0286-24 since 14 March 2024.
2 GW-RE1606-23 was superseded by GW-RE0363-24 since 23 March
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:
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;
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;
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;
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 12 and 26 March 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 5
(with IEC), 12, 19 and 26 March 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
|
5 March 2024
|
NRMM label should be provided for trailer concrete pump.
|
Contractor attached the NRMM label to the concrete pump after the site
inspection.
|
|
26 March 2024
|
Contractor was reminded to ensure display of NRMM label for the
concrete pump truck.
|
Nil
|
|
Noise
|
Nil
|
Nil
|
Nil
|
|
Water Quality
|
12 March 2024
|
Contractor was reminded to request maintenance for the monitor showing
pH value of wastewater treatment plant and ensure the wastewater treatment plant
to work properly while pending for maintenance.
|
Contractor has contacted supplier and the wastewater treatment plant
is pending for maintenance.
|
|
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 One (1) noise-related complaints received in the
last reporting month were still under investigation. The investigation result
will be reported in the subsequent Monthly EM&A Report.
5.1.2 One (1) wastewater-related complaint (4th March
2024), One malodour-related complaint (5th March 2024) and One
(1) noise-related complaint (i.e. 27th March 2024) was received
in the reporting month.
5.1.3 The complaint cases in February and March 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
|
|
EC184_CKRCT20240217_766
|
17th February 2024
|
The Contractor Hotline
|
Nighttime Noise
|
Investigation report was finalized on 12th March
2024.
|
|
EC185_CKRCT20240220_767
|
20th February 2024
|
1823
|
Daytime and Nighttime Noise
|
Investigation report was finalized on 9th April
2024.
|
|
EC186_CKRCT20240226_768
|
26th February 2024
|
1823
|
Nighttime Noise
|
Investigation report was finalized on 9th April
2024.
|
|
EC187_CKRCT20240228_769
|
28th February 2024
|
The Contractor Hotline
|
Nighttime Noise
|
Under investigation and the investigation results
will be reported in the subsequent Monthly EM&A Report.
|
|
EC188_CKRCT20240304_770
|
4th March 2024
|
1823
|
Overflow of sewage
|
Under investigation and the investigation results
will be reported in the subsequent Monthly EM&A Report.
|
|
EC190_CKRCT20240305_772
|
5th March 2024
|
Email referral from EPD
|
Malodour from Concrete Truck
|
Investigation report was finalized on 19th March
2024.
|
|
EC189_CKRCT20240327_775
|
27th March 2024
|
Contractor Hotline
|
Nighttime Noise
|
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
(February 2024)
|
8 March 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 & temporary C&D handling.
Sheung Lok Street
· Erection of noise enclosure;
· Breaking of concrete slab.
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 55th 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 01/03/2024 to 31/03/2024.
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 One (1) noise-related complaints received in the
last reporting month were still under investigation. The investigation result
will be reported in the subsequent Monthly EM&A Report.
8.1.6 One (1) wastewater-related complaint (4th March
2024), One malodour-related complaint (5th March 2024) and One
(1) noise-related complaint (i.e. 27th March 2024) was received
in the reporting month. One (1) wastewater-related complaint (4th March
2024) and One (1) noise-related complaint (i.e. 27th March
2024) was still under investigation. The investigation results will be reported
in the subsequent Monthly EM&A Report.
8.1.7 No environmental related prosecutions or
notification of summons were received in the reporting period.
8.1.8 An air quality-related observation was recorded
during the site inspection on 5th March 2024. The observation
was rectified by Contractor on 5th March 2024.
8.1.9 According to the environmental site inspections
performed in the reporting month, the following recommendations were provided:
Air Quality Impact
· NRMM label should be provided to trailer concrete
pump on 5th March 2024.
· Contractor was reminded to ensure the display of
NRMM Label for a concrete pump truck on 26th March 2024.
Construction Noise Impact
· No specific observation was identified in the
reporting month.
Water Quality Impact
· Contractor was reminded to request maintenance for
the monitor showing pH value of wastewater treatment plant and ensure the
wastewater treatment plant to work properly while pending for maintenance on 12th March
2024. Contractor has contacted supplier and the wastewater treatment plant is
pending for maintenance.
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.
