The proposed widening of Tolo Highway and Fanling Highway
between Island House Interchange and Fanling (the
Project) is a Designated Project under the Environmental Impact Assessment
Ordinance (Cap. 499) (EIAO). An Environmental Impact Assessment (EIA) Report
(the approved EIA Report) together with an Environmental Monitoring and Audit
(EM&A) Manual (the approved EM&A Manual) were completed and approved
under the EIAO on 14 July 2000 (Register Number: EIA-043/2000).
The objective of the Project ¡°Widening of Tolo
Highway / Fanling Highway between Island House
Interchange and Fanling¡± is to widen Tolo Highway and Fanling Highway
to dual 4-lane carriageway in order to alleviate the current traffic congestion
problems and to cope with the increasing transport demands to and from the
urban areas and also cross boundary traffic.
The construction works for this Project will be delivered in 2 stages
i.e. Stage 1 (between Island House Interchange and Tai Hang) and Stage 2
(between Tai Hang and Wo Hop Shek Interchange). Stage 2 would be implemented under two
works contracts. Contract No. HY2012/06 ¡°Widening of Fanling Highway ¨C
Tai Hang to Wo Hop Shek Interchange¡± and the
entrusted portion to CEDD under Contract No. CV/2012/09
¡±Liantang/Heung Yuen Wai Boundary Control
Point Site Formation and Infrastructure Works ¨C Contract 3¡±. This
report focuses on
Contract No. HY2012/06 ¡°Widening of Fanling Highway ¨C Tai Hang to Wo Hop Shek Interchange¡± in Stage 2 of
the Project only.
The
construction phase of the Contract under the EP and the Environmental
Monitoring and Audit (EM&A) programme of the contract commenced on 21 November 2013. The impact
environmental monitoring and audit includes air quality and noise monitoring.
This report documents the
findings of EM&A works conducted in the period between 25
to 30 November 2013. As informed by the Contractor, construction
activities in the reporting period were:-
-
Site clearance;
-
Ground investigation; and
-
Construction of site accommodation.
Reporting Change
There was no reporting change
required in the reporting month.
Breaches of Action and Limit Levels for Air
Quality
No exceedance of Action and Limit Level was recorded for
1-hour and 24-hour TSP monitoring in the reporting month.
Breaches of Action and Limit Levels for Noise
No Action Level exceedance of construction
noise was recorded in the reporting month, since no noise
complaints related to 0700 ¨C 1900 hours on normal weekdays was received and followed
by Environmental Team in the reporting month.
No Limit Level exceedance
of construction noise was recorded in the reporting month.
Complaint, Notification of Summons and
Successful Prosecution
No complaint, notification
of summons and successful prosecution was received in the reporting month.
Future Key Issues
Key
issues to be considered in the coming month included:-
-
Properly store and label oils and chemicals on site;
-
Chemical, chemical waste and waste management;
-
Collection of construction waste should be carried out regularly;
-
Properly maintain all drainage facilities and wheel washing
facilities on site;
-
Exposed slopes should be covered up properly if no temporary work
will be conducted;
-
Quieter powered mechanical equipment should be used;
-
Suppress dust generated from excavation activities and haul road
traffic; and
-
Tree protective measures for all retained trees should be well
maintained.
1.1.1.
Tolo Highway and Fanling Highway are the expressways in the North East New
Territories (NENT) connecting Sha Tin, Tai Po and Fanling. These highways form a vital part of the strategic
Route 9, which links Hong Kong Island to the boundary at Shenzhen. At present,
this section of Route 9 is a dual 3-lane carriageway. However, at several major
interchanges along this section of Route 9, the highway is a dual-2 lane
carriageway only. Severe congestion is a frequent occurrence during the peak
periods, particularly in the Kowloon-bound direction.
1.1.2.
The
objective of the Project ¡°Widening of Tolo Highway / Fanling Highway between Island House Interchange and Fanling¡± is to widen Tolo Highway
and Fanling Highway to dual 4-lane carriageway in
order to alleviate the current traffic congestion problems and to cope with the
increasing transport demands to and from the urban areas and also cross
boundary traffic.
1.1.3.
The Project is a designated project and
is governed by an Environmental Permit (EP-324/2008)(EP) issued by EPD on
23 December 2008. Subsequently, EPD issued a Variation of Environmental Permit
(EP-324/2008/A) (VEP) on 31 January 2012.
1.1.4.
The scope of the Project comprises
mainly:-
|
(i)
|
Widening
of a 5.7 km section of Tolo Highway and 3.0 km
section of Fanling Highway between Island House
Interchange and Wo Hop Shek Interchange from the
existing dual 3-lane to dual 4-lane, including construction of new vehicular
bridges;
|
|
(ii)
|
Widening
of interchange sections at Island House Interchange, Tai Po North
Interchange, and Lam Kam Road Interchange from dual 2-lane to dual 3-lane,
except Sha Tin bound carriageway at Tai Po North
Interchange, which is widened from 3-lane to 4-lane, including realignment of
various slip roads;
|
|
(iii)
|
Modification
and reconstruction of highways, vehicular bridges, underpasses and
footbridges.
|
1.1.5.
The
construction works for this Project will be delivered in 2 stages i.e. Stage 1
(between Island House Interchange and Tai Hang) and Stage 2 (between Tai Hang
and Wo Hop Shek Interchange). Stage 2 would be implemented under two
works contracts. Contract No. HY/2012/06
¡°Widening of Fanling Highway ¨C Tai Hang to Wo Hop Shek Interchange¡± and the entrusted portion to CEDD
under Contract No. CV/2012/09 ¡±Liantang/Heung
Yuen Wai Boundary Control Point Site Formation and Infrastructure Works ¨C
Contract 3¡±. This report
focuses on Contract No.
HY2012/06 ¡°Widening of Fanling Highway ¨C Tai Hang to Wo Hop Shek Interchange¡± in Stage 2 of the Project only.
1.1.6.
Hyder-Arup-Black
and Veatch Joint Venture (HABVJV) are appointed by Highways Department (HyD) as the consultants for the design and construction
assignment for the Tolo project under Agreement No.
CE 58/2000 Supplementary Agreement No. 3 (SA3) (i.e. the Engineer for the
Contract).
1.1.7.
China State Construction Engineering
(Hong Kong) Ltd. (CSHK) was commissioned as the Contractor of the Contract.
1.1.8.
AECOM Asia Co. Ltd. was commissioned by China State Construction Engineering (Hong
Kong) Limited as the Environmental Team (ET) to undertake the Environmental Monitoring and Audit (EM&A)
works for the Contract and
Mott MacDonald Hong Kong Ltd. acts as the Independent Environmental Checker
(IEC) for the Contract.
1.1.9.
The construction phase of the Contract under the EP commenced on 21 November 2013.
1.1.10.
According to the updated EM&A Manual of Stage 2 of
the Project, there is a need of an EM&A programme
including air quality and noise monitoring. The EM&A programme
for Stage 2 of the Project commenced on 21 November 2013.
1.2.1
This is the first monthly EM&A Report under the Contract No.
HY/2012/06 ¡°Widening of Fanling Highway ¨C Tai Hang to
Wo Hop Shek Interchange. This report presents a summary of the
environmental monitoring and audit works, list of activities and mitigation
measures proposed by the ET for the Contract in November 2013.
1.3.1
The project organization structure is shown in
Appendix A. 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
|
Fax
|
|
ER
(Hyder-Arup-Black
& Veatch Joint Venture)
|
Chief Resident Engineer
|
Edwin
Chung
|
6115 0818
|
2638 0950
|
|
IEC
(Mott MacDonald Hong Kong Limited)
|
Independent Environmental Checker
|
Terence Kong
|
2828 5919
|
2827 1823
|
|
Contractor
(China State Construction
Engineering (Hong Kong) Limited)
|
Site Agent
|
Edward Ho
|
9183 3827
|
2672 2501
|
|
Environmental Officer
|
Michael Tsang
|
9277 4956
|
2672 2501
|
|
C C
Chow
|
9679 6315
|
2672 2501
|
|
ET
(AECOM Asia Company Limited)
|
ET Leader
|
Y W Fung
|
3922 9393
|
3922 9797
|
1.4.1 The construction phase for the Contract under the EP commenced on 21 November 2013.
1.4.2 Details of the construction works carried out by the Contractor
in this reporting period are listed below:-
-
Site
clearance;
-
Ground
investigation; and
-
Construction
of site accommodation.
1.4.3
The Construction Programme is shown in Appendix B.
1.4.4
The general layout
plan of the Project site showing the contract areas is shown in Figure 1.1.
1.4.5
The environmental
mitigation measures implementation schedule are presented in Appendix C.
1.5.1 The EM&A programme required
environmental monitoring for air quality, noise and environmental site
inspections for air quality, water quality, noise, waste management, ecology,
and landscape and visual impact. The EM&A requirements for each parameter
described in the following sections include:-
-
All monitoring parameters;
-
Monitoring schedules for the reporting month and forthcoming
months;
-
Action and Limit levels for all environmental parameters;
-
Event / Action Plan;
-
Environmental mitigation measures, as recommended in the
Project EIA study final report; and
- Environmental
requirement in contract documents.
2.1.1
In accordance with the updated EM&A Manual,
baseline 1-hour and 24-hour TSP levels at one air quality monitoring station was
established. Impact 1-hour TSP monitoring was conducted for at least three
times every 6 days, while impact 24-hour TSP monitoring was carried out for at
least once every 6 days. The Action and Limit level of the air quality
monitoring is provided in Appendix D.
2.2.1
24-hour TSP air quality monitoring was
performed using High Volume Sampler (HVS) located at each designated monitoring
station. The HVS meets all the requirements of the updated EM&A
Manual. Portable direct reading
dust meters were used to carry out the 1-hour TSP monitoring. Brand and model of the equipment is
given in Table 2.1.
Table 2.1 Air Quality Monitoring Equipment
|
Equipment
|
Brand
and Model
|
|
Portable direct reading dust meter
(1-hour TSP)
|
Sibata Digital Dust Monitor (Model No. LD-3
and LD-3B)
|
|
High Volume Sampler
(24-hour TSP)
|
Tisch Total Suspended Particulate Mass Flow
Controlled High Volume Air Sampler (Model No. TE-5170)
|
2.3.1
The monitoring station was set up at the
proposed location in accordance with updated EM&A Manual. Table 2.2 describes details of the
monitoring station. The locations are shown in Figure 1.2a.
Table
2.2 Locations
of Impact Air Quality Monitoring Station
|
Location
|
Monitoring
Station
|
|
AM2 (SR2)
|
Fanling Government Secondary School
|
2.4.1
Table 2.3 summarizes the monitoring parameters,
frequency and duration of impact TSP monitoring.
Table 2.3 Air
Quality Monitoring Parameters, Frequency and Duration
|
Parameter
|
Frequency
and Duration
|
|
24-hour TSP
|
Once
every 6 days
|
|
1-hour TSP
|
3
times every 6 days while the highest dust impact was expected
|
2.5.1
24-hour TSP Monitoring
(a)
The HVS was installed in the vicinity
of the air sensitive receivers. The
following criteria were considered in the installation of the HVS.
(i)
A horizontal platform with appropriate
support to secure the sampler against gusty wind was provided.
(ii)
The distance between the HVS and any
obstacles, such as buildings, was at least twice the height that the obstacle
protrudes above the HVS.
(iii)
A minimum of 2 meters separation from
walls, parapets and penthouse for rooftop sampler.
(iv)
A minimum of 2 meters separation from any supporting
structure, measured horizontally.
(v)
No furnace or incinerator flues nearby.
(vi)
Airflow around the sampler was
unrestricted.
(vii)
Permission was obtained to set up the
samplers and access to the monitoring stations.
(viii)
A secured supply of electricity was
obtained to operate the samplers.
(ix)
The sampler was located more than 20
meters from any dripline.
(x)
Any wire fence and gate, required to
protect the sampler, did not obstruct the monitoring process.
(xi)
Flow control accuracy was kept within
¡À2.5% deviation over 24-hour sampling period.
(b)
Preparation of Filter Papers
(i)
Glass fibre
filters, G810 were labelled and sufficient filters
that were clean and without pinholes were selected.
(ii)
All filters were equilibrated in the
conditioning environment for 24 hours before weighing. The conditioning
environment temperature was around 25 ¡ãC
and not variable by more than ¡À3 ¡ãC;
the relative humidity (RH) was < 50% and not variable by more than ¡À5%. A
convenient working RH was 40%.
(iii)
All filter papers were prepared and analysed by ALS Technichem (HK)
Pty Ltd., which is a HOKLAS accredited laboratory and has comprehensive quality
assurance and quality control programmes.
(c)
Field Monitoring
(i)
The power supply was checked to ensure
the HVS works properly.
(ii)
The filter holder and the area
surrounding the filter were cleaned.
(iii)
The filter holder was removed by
loosening the four bolts and a new filter, with stamped number upward, on a
supporting screen was aligned carefully.
(iv)
The filter was properly aligned on the
screen so that the gasket formed an airtight seal on the outer edges of the
filter.
(v)
The swing bolts were fastened to hold
the filter holder down to the frame.
The pressure applied was sufficient to avoid air leakage at the edges.
(vi)
Then the shelter lid was closed and was
secured with the aluminum strip.
(vii)
The HVS was warmed-up for about 5
minutes to establish run-temperature conditions.
(viii)
A new flow rate record sheet was set
into the flow recorder.
(ix)
On site temperature and atmospheric
pressure readings were taken and the flow rate of the HVS was checked and
adjusted at around 1.1 m3/min, and complied
with the range specified in the updated EM&A Manual (i.e. 0.6-1.7 m3/min).
(x)
The programmable digital timer was set
for a sampling period of 24 hrs, and the starting time, weather condition and
the filter number were recorded.
(xi)
The initial elapsed time was recorded.
(xii)
At the end of sampling, on site
temperature and atmospheric pressure readings were taken and the final flow
rate of the HVS was checked and recorded.
(xiii)
The final elapsed time was recorded.
(xiv)
The sampled filter was removed
carefully and folded in half length so that only surfaces with collected
particulate matter were in contact.
(xv)
It was then placed in a clean plastic
envelope and sealed.
(xvi)
All monitoring information was recorded
on a standard data sheet.
(xvii)
Filters were then sent to ALS Technichem (HK) Pty Ltd. for analysis.
(d)
Maintenance and Calibration
(i)
The HVS and its accessories were
maintained in good working condition, such as replacing motor brushes routinely
and checking electrical wiring to ensure a continuous power supply.
(ii)
5-point calibration of the HVS was
conducted using TE-5025A
Calibration Kit prior to the commencement of baseline monitoring. Bi-monthly
5-point calibration of the HVS will be carried out during impact monitoring.
(iii)
Calibration certificate of the HVSs are
provided in Appendix E.
2.5.2
1-hour TSP Monitoring
(a)
Measuring Procedures
The measuring procedures of the
1-hour dust meter were in accordance with the Manufacturer¡¯s Instruction Manual
as follows:-
(i)
Turn the power on.
(ii)
Close the air collecting opening cover.
(iii)
Push the ¡°TIME SETTING¡± switch to [BG].
(iv)
Push ¡°START/STOP¡± switch to perform
background measurement for 6 seconds.
(v)
Turn the knob at SENSI ADJ position to
insert the light scattering plate.
(vi)
Leave the equipment for 1 minute upon
¡°SPAN CHECK¡± is indicated in the display.
(vii)
Push ¡°START/STOP¡± switch to perform
automatic sensitivity adjustment. This measurement takes 1 minute.
(viii)
Pull out the knob and return it to
MEASURE position.
(ix)
Push the ¡°TIME SETTING¡± switch the time
set in the display to 3 hours.
(x)
Lower down the air collection opening
cover.
(xi)
Push ¡°START/STOP¡± switch to start
measurement.
(b)
Maintenance and Calibration
(i)
The 1-hour TSP meter was calibrated at
1-year intervals against a continuous particulate TEOM Monitor, Series 1400ab.
Calibration certificates of the Laser Dust Monitors are provided in Appendix E.
(ii)
1-hour validation checking of the TSP
meter against HVS is carried out yearly at the air quality monitoring
locations.
2.6
Monitoring Schedule for the Reporting Month
2.6.1
The schedule for environmental monitoring in November 2013
is provided in Appendix F.
2.7.1
The baseline condition of air quality in the Contract site
was reviewed in October 2013. A baseline monitoring of air quality, in
terms of 1-hour Total Suspended Particulates (TSP) and 24-hour TSP, was carried
out from 12 October 2013 to 29 October 2013. As the
Fanling Government Secondary School did not open on
the public holidays, therefore no monitoring were conducted on 13, 14, 20 and
27 October 2013, the baseline monitoring of air quality has been conducted for 14 days. The baseline monitoring report was
submitted by ETL and approved by the ER and the IEC on 6
November 2013. Action Levels for air quality were established
and are summarized in Table 2.4, Table 2.5 and Appendix D.
2.8.1
The monitoring results for 1-hour TSP and
24-hour TSP are summarized in Table 2.4 and 2.5 respectively. Detailed impact
air quality monitoring results are presented in Appendix G.
Table 2.4 Summary of
1-hour TSP Monitoring Results in the Reporting Period
|
Location
|
Average (mg/m3)
|
Range (mg/m3)
|
Action Level (mg/m3)
|
Limit Level (mg/m3)
|
|
AM2
(Fanling Government Secondary School)
|
82.3
|
81.7 ¨C 83.1
|
317.8
|
500
|
Table 2.5 Summary
of 24-hour TSP Monitoring Results in the Reporting Period
|
Location
|
Average (mg/m3)
|
Range (mg/m3)
|
Action Level (mg/m3)
|
Limit Level (mg/m3)
|
|
AM2
(Fanling Government Secondary School)
|
105
|
105
|
200.7
|
260
|
2.8.2
The major dust source during the monitoring mainly
from nearby traffic emission.
2.8.3
All 1-hour and 24-hour TSP results were below
the Action and Limit Level at all monitoring locations in the reporting month.
2.8.4
The event action plan is annexed in Appendix J.
2.8.5
Weather information including wind speed and
wind direction is annexed in Appendix H. The information was obtained from Hong
Kong Observatory Tai Po and Tai Mei Tuk Automatic
Weather Station.
3.1.1
In accordance with the EM&A Manual, impact
noise monitoring was conducted for at least once per week during the
construction phase of the Contract. The Action and Limit level of the noise monitoring
is provided in Appendix D.
3.2
Monitoring Equipment
3.2.1
Noise monitoring was performed using sound
level meter at each designated monitoring station. The sound level meters deployed comply
with the International Electrotechnical Commission
Publications (IEC) 651:1979 (Type 1) and 804:1985 (Type 1) specifications. Acoustic calibrator was deployed to
check the sound level meters at a known sound pressure level. Brand and model of the equipment is
given in Table 3.1.
Table
3.1 Noise
Monitoring Equipment
|
Equipment
|
Brand and Model
|
|
Integrated
Sound Level Meter
|
B&K
2238
|
|
Acoustic
Calibrator
|
Rion
NC-73
|
3.3.1
Monitoring stations M2 and M3 were
set up at the proposed locations in accordance with updated EM&A Manual.
Figure 1.2a-b shows the locations of the monitoring stations. Table 3.2
describes the details of the monitoring stations.
Table
3.2 Locations
of Impact Noise Monitoring Stations
|
Monitoring Station
|
Location
|
Description
|
|
M2
|
West
Tai Wo
|
1.2m from the ground floor free-field
of the Residential
|
|
M3
|
Fanling
Government Secondary School
|
1m from the exterior of the roof top
façade of the school
|
3.4.1
Table 3.3 summarizes the monitoring parameters,
frequency and duration of impact noise monitoring.
Table 3.3 Noise
Monitoring Parameters, Frequency and Duration
|
Parameter
|
Frequency
and Duration
|
|
30-mins measurement at each monitoring station between 0700 and
1900 on normal weekdays. Leq, L10
and L90 would be recorded.
|
At least once per week
|
3.5.1
Monitoring Procedure
(a)
Façade measurement was made at monitoring
station M3, while free-field measurement was made at monitoring
station M2.
(b)
The sound level meter was set on a
tripod at a height of 1.2 m
above the ground for free-field measurements at monitoring station M2.
(c)
The battery condition was checked to
ensure the correct functioning of the meter.
(d)
Parameters such as frequency weighting,
the time weighting and the measurement time were set as follows:-
(i)
frequency weighting: A
(ii)
time weighting: Fast
(iii)
time measurement: Leq(30-minutes)
during non-restricted hours i.e. 07:00 ¨C 1900 on normal weekdays; Leq(5-minutes) during restricted
hours i.e. 19:00 ¨C
23:00 and 23:00 ¨C 07:00 of normal weekdays, whole day of Sundays and Public
Holidays
(e)
Prior to and after each noise
measurement, the meter was calibrated using the acoustic calibrator for 94dB(A) at 1000 Hz.
If the difference in the calibration level before and after measurement
was more than 1 dB(A), the measurement would be
considered invalid and repeat of noise measurement would be required after
re-calibration or repair of the equipment.
(f)
During the monitoring period, the Leq, L10 and L90 were
recorded. In addition, site
conditions and noise sources were recorded on a standard record sheet.
(g)
Noise measurement was paused during
periods of high intrusive noise (e.g. dog barking, helicopter noise) if
possible. Observations were recorded when intrusive noise was unavoidable.
(h)
Noise monitoring was cancelled in the
presence of fog, rain, wind with a steady speed exceeding
5m/s, or wind with gusts
exceeding 10m/s.
3.5.2
Maintenance and Calibration
(a)
The microphone head of the sound level
meter was cleaned with soft cloth at regular intervals.
(b)
The meter and calibrator were sent to
the supplier or HOKLAS laboratory to check and calibrate at yearly intervals.
(c)
Calibration certificates of the sound
level meters and acoustic calibrators are provided in Appendix E.
3.6.1
The schedule for environmental monitoring in November 2013 is
provided in Appendix F.
3.7.1
The monitoring results for construction noise
are summarized in Table 3.4 and the monitoring data is provided in Appendix I.
Table
3.4 Summary of Construction Noise Monitoring Results in the Reporting
Period
|
|
Average, dB(A),
Leq (30 mins)
|
Range, dB(A),
Leq (30 mins)
|
Limit Level, dB(A),
Leq (30 mins)
|
|
M2*
|
66.0
|
66.0
|
75
|
|
M3#
|
64.4
|
64.4
|
65/70
|
*+3dB(A) Façade correction included
# Limit Level of 70dB(A) applies to
education institutes while 65dB(A) applies during school examination period.
3.7.2
There was no noise complaint related to 0700 ¨C
1900 hours on normal weekdays was received and
followed up by Environmental Team in the reporting period. Hence, no
Action Level exceedance was recorded.
3.7.3
No noise monitoring result exceeding the Limit
Level was recorded at all monitoring stations in the reporting month.
3.7.4
Major noise sources during the noise monitoring
mainly from nearby traffic noise and general school activities.
3.7.5
The event action plan is annexed in Appendix J.
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 Contract. In
the reporting month, 1 site inspection was carried out on 26 November 2013
for the Contract. While no specific
observation was recorded, recommendations on remedial actions were given to the
Contractor for precautionary purpose.
4.2
Advice on the Solid and Liquid Waste
Management Status
4.2.1
The Contractor has registered as chemical waste producers for the Contract.
C&D material sorting was carried out on site. Sufficient numbers of receptacles
were available for general refuse collection.
4.2.2
As advised by the Contractor, 25m3 of inert
C&D material was disposed as public fill to Tuen Mun 38 (of which 0m3 was broken concrete), while
20m3
of general refuse was disposed at NENT landfill. 0kg of paper/cardboard
packaging, 0kg of plastics and 0kg of metals were collected by recycling contractor in the
reporting month. 0m3 and 0m3 of inert
C&D materials were reused on site and reused in NENT for backfilling
purpose respectively. 0kg of chemical waste was collected by licensed
contractor in the reporting period.
4.2.3
The Contractor was advised to maintain on site waste sorting and
recording system and maximize reuse / recycle of C&D wastes.
4.3
Environmental Licenses and Permits
4.3.1 The
environmental licenses and permits for Stage 1 of the Project and valid in the
reporting month is summarized in Table 4.1.
Table
4.1 Summary
of Environmental Licensing and Permit Status
|
Statutory Reference
|
License/ Permit
|
License or Permit No.
|
Valid Period
|
License/ Permit Holder
|
Remarks
|
|
From
|
To
|
|
EIAO
|
Environmental
Permit
|
EP-324/2008/A
|
31/01/2012
|
N/A
|
HyD
|
--
|
|
WPCO
|
Discharge License
(Site)
|
-
|
-
|
-
|
-
|
In progress
(Application submitted on 28-8-2013)
|
|
WDO
|
Chemical Waste
Producer Registration
|
5213-722-C3822-01
|
5/09/2013
|
N/A
|
CSHK
|
Chemical waste
produced in Contract HY/2012/06
|
|
WDO
|
Billing
Account for Disposal of
Construction Waste
|
7009328
|
08/09/2009
|
N/A
|
CSHK
|
Waste disposal in
Contract HY/2008/09
|
|
NCO
|
Construction Noise
Permit
|
GW-RN0648-13
|
10/11/2013
|
20/4/2014
|
CSHK
|
Tree Felling at South of Fanling Highway between Yuen Leng
and Hong Lok Yuen
(0900 to 1800 hours on Sunday)
|
4.4.1
A summary of the Implementation Schedule of
Environmental Mitigation Measures (EMIS) is presented in Appendix C.
4.5
Summary of Exceedances
of the Environmental Quality Performance Limit
4.5.1
All 1-hour and 24-hour TSP monitoring results
complied with the Action / Limit Levels in the reporting period.
4.5.2
For construction noise, no Action and Limit
Level exceedance was recorded at all monitoring
stations in the reporting period.
4.6
Summary of Complaints,
Notification of Summons and Successful Prosecutions.
4.6.1
The Environmental Complaint Handling Procedure
is annexed in Figure 4.1.
4.6.2
No complaint, notification of summons or prosecution
was received in the reporting period.
4.6.3
Statistics on complaints, notifications of
summons and successful prosecutions are summarized in Appendix K.
5
FUTURE
KEY ISSUES
5.1.1
The major construction works for the Contract
in December 2013 will
be:-
- Site clearance;
- Ground investigation; and
- Tee felling and transplantation.
5.2
Key Issues for the Coming Month
5.2.1
Key issues to be considered in December 2013:-
-
Properly store and label oils and chemicals on site;
-
Chemical, chemical waste and waste management;
-
Collection of construction waste should be carried out regularly;
-
Properly maintain all drainage facilities and wheel washing
facilities on site;
-
Exposed slopes should be covered up properly if no temporary work
will be conducted;
-
Quieter powered mechanical equipment should be used;
-
Suppress dust generated from excavation activities and haul road
traffic; and
-
Tree protective measures for all retained trees should be well
maintained.
5.3
Monitoring Schedule for the Coming Month
5.3.1
The tentative schedule for environmental
monitoring in December
2013 is provided in Appendix F.
6.1.1
The construction phase and EM&A programme of the Contract commenced on 21 November 2013.
6.1.2
1-hour TSP, 24-hour TSP and noise monitoring
were carried out in the reporting period.
6.1.3
All 1-hour and 24-hour TSP monitoring results
complied with the Action / Limit Levels in the reporting period.
6.1.4
No Action and Limit Level exceedance
for construction noise was recorded at all monitoring stations in the reporting
month.
6.1.5
One environmental site inspection was carried out in
November 2013. Recommendations
on remedial actions were given to the Contractors for the deficiencies
identified during the site audits.
6.1.6
No complaint, notification of summons or prosecution was
received in the reporting period.
6.2.1 According to the environmental site inspection performed in
the reporting month, while no specific observation was recorded, the following
recommendations on remedial actions were provided to the Contractor for
precautionary purpose:
Air Quality Impact
l All
vehicles should be washed to remove any dusty materials before leaving the
site.
l Haul
roads should be sufficiently dampened to minimize fugitive dust generation.
l Wheel
washing facilities should be properly maintained to ensure properly
functioning.
Construction Noise Impact
l Noisy
operations should be oriented to a direction away from sensitive receivers as
far as possible.
Water Quality Impact
l Stagnant water accumulated in drip trays
should be removed.
l Silt
accumulated at public drain should be cleaned up.
l Silty effluent should be treated/desilted before discharged. Untreated effluent
should be prevented from entering public drain channel.
Chemical and Waste
Management
l C&D material should be sorted and
removed timely.
l All
plants on site should be properly maintained to prevent oil leakage.
l Oil stains on soil surface and empty
chemical containers should be cleared and disposed of as chemical waste.
Landscape and
Visual Impact
l All retained trees should be
properly fenced off at the works area.
