Contents
Page
2.3 Construction Programme and
Activities
3 STATUS OF ENVIRONMENTAL LICENSES,
NOTIFICATION AND PERMITS
4.4 Monitoring
Parameters, Frequency and Duration
4.6 Monitoring Schedule for the
Reporting month
5.4 Monitoring Parameters, Frequency and
Duration
5.6 Monitoring
Schedule for the Reporting Month
8 ENVIRONMENTAL SITE INSPECTION AND
AUDIT
9 IMPLEMENTATION STATUS OF
ENVIRONMENTAL MITIGATION MEASURES
10 SUMMARY OF EP SUBMISSION IN THE
REPORTING MONTH
11 ENVIRONMENTAL NON-CONFORMANCE
11.1 Summary of Monitoring Exceedances
11.2 Summary of Environmental
Non-Compliance
11.3 Summary of Environmental Complaints
11.4 Summary of Environmental Summon and
Successful Prosecutions
12.1 Construction Programme for the Next
Month
12.2 Key Issues for the Coming Month
12.3 Monitoring Schedule for the Next
Month
13 CONCLUSIONS AND RECOMMENDATIONS
List of Tables
Table
2.1 Contact Information of Key Personnel
Table 3.1 Status of Environmental Licenses, Notifications and
Permits
Table 4.1 Air Quality Monitoring Equipment
Table 4.2 Location of Air Quality Monitoring
Table 4.3 Air Quality Monitoring Parameters, Frequency and
Duration
Table 4.4 Summary of 1-hr TSP Monitoring Results
Table 4.5 Summary of 24-hr TSP Monitoring Results
Table 5.1 Noise Monitoring Equipment
Table 5.2 Location of Noise Monitoring
Table 5.3 Noise Monitoring Parameters, Frequency and Duration
Table 5.4 Summary of Noise Monitoring Results
Table 8.1 Observations and Recommendations of Site Audit
Table 10.1 Status of Required Submission under Environmental Permit
List of Figures
Figure 2 Air and Noise Monitoring
Locations
List of Appendices
Appendix A Construction Programme
Appendix B Project Organization Structure
Appendix C Calibration Certificates of Monitoring Equipment
Appendix D EM&A Monitoring Schedules
Appendix E Meteorological Data Extracted from Hong Kong Observatory
Appendix F Air Quality Monitoring Results and their Graphical Presentation
Appendix G Summary of Event and Action Plan
Appendix H Noise Monitoring Results and their Graphical Presentation
Appendix I Not Used
Appendix J Not Used
Appendix L Implementation Schedule of Environmental Mitigation
Measures (EMIS)
Appendix M Investigation Report for
Exceedance
Appendix N Statistics on Complaints, Notifications of Summons and
Successful Prosecutions
The Entrusted Portion of Widening of Tolo Highway / Fanling Highway
between Island House Interchange and Fanling Stage 2 (hereafter called ¡§the
Project¡¨) covers part of the construction of the widening of Tolo
Highway / Fanling Highway between Island House Interchange and Fanling which
aimed 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 Project
covers construction activities at Yuen Leng along the existing Fanling Highway.
The impact EM&A for the Project includes air quality, noise and
water quality monitoring. The
EM&A programme commenced on 5 November 2013.
This report documents the findings of EM&A works conducted in May
2016. As informed by the
Contractor, the major activities in the reporting month were:
¡P
Cable
Detection and Trial Trenches;
¡P
Filling
Works at Tong Hang East;
¡P
Storm
Drains Laying;
¡P
Noise
Barrier Construction;
¡P
Pier
/ Pier Table Construction;
¡P
Pile
Cap Works;
¡P
Portal
Beam Construction;
¡P
Pre-drilling
Works and Piling Works for Viaduct;
¡P
Pre-drilling
works and Piling Works for Noise Barrier;
¡P
Retaining
Wall Construction;
¡P
Road
Works;
¡P
Sewer
Works;
¡P
Slope
Works;
¡P
Socket
H-pile Installation;
¡P
Steel
Posts and Panels Installation of Noise Barrier;
¡P
Tree
Felling Works;
¡P
Utilities
Duct Laying; and
¡P Viaduct segment erection.
No exceedance of Action and Limit Level was
recorded for 24-hour TSP monitoring at the monitoring location AM1(SR77) in the
reporting month.
No exceedance of Action and Limit Level was
recorded for 1-hour TSP monitoring at the monitoring location AM1(SR77) in the
reporting month.
No noise complaint was received in the
reporting month, so no Action Level exceedance was recorded. Also, 1 Limit Level exceedance of noise monitoring
was recorded on 16 May 2016 in the reporting month. Investigation for the
exceedance was conducted which concluded that the exceedance was not related to
the project works. The
investigation report for the incident is presented in Appendix M.
The box culvert
works have been partially completed by the end of March 2014 except the last
construction activity, installation of a base slab at Box Culvert ID4. Due to the loading requirement of a
fresh water main under the box culvert, installation of the base slab at Box
Culvert ID4 originally scheduled from 19 February 2016. However, the mentioned
works were cancelled and postponed to the next dry season in late 2016 after
the utilities diversions complete.
The construction
works are temporarily suspended until the utilities diversion works complete. The 4-week post construction water
quality monitoring will be commenced after the installation of the base slab
finishes, hence the completion of the box culvert works.
No complaint, notification
of summons and successful prosecution was received in the reporting month.
The major
construction works in the coming reporting month are anticipated to include:
¡P
Cable
Detection and Trial Trenches;
¡P
Filling
Works at Tong Hang East;
¡P
Storm
Drains Laying;
¡P
Noise
Barrier Construction;
¡P
Pier
/ Pier Table Construction;
¡P
Pile
Cap Works;
¡P
Portal
Beam Construction;
¡P
Pre-drilling
Works and Piling Works for Viaduct;
¡P
Pre-drilling
Works for Noise Barrier and Piling Works for Noise Barrier;
¡P
Retaining
Wall Construction;
¡P
Road
Works;
¡P
Sewer
Works;
¡P
Slope
Works;
¡P
Socket
H-pile Installation;
¡P
Tree
Felling Works;
¡P
Utilities
Duct Laying;
¡P
Viaduct
Segment Erection; and
¡P Water Main Connection Works.
Potential environmental impacts arising from
the above construction activities are anticipated to be mainly associated with
construction dust, noise, water quality and waste management.
1.1.1
Chun
Wo Construction & Engineering Co Ltd (Chun Wo) was commissioned by the Civil
Engineering and Development Department (CEDD) as the Civil Contractor for the Entrusted
Portion of Widening of Tolo Highway / Fanling Highway between Island House
Interchange and Fanling Stage 2. Meinhardt
Infrastructure & Environment Ltd (MIEL) has been appointed by Chun Wo as
the Environmental Team (ET) to fulfill the corresponding EM&A requirements
pursuant to Environmental Permit No. EP-324/2008/D in accordance with the Updated EM&A
Manual (dated October 2013) for Widening of Tolo Highway/Fanling Highway
between Island House Interchange and Fanling Stage 2. The EM&A programme commenced in 5
November 2013.
1.2.1
This
is the monthly EM&A Report which summaries the impact monitoring results
and audit findings for the Project during the reporting month of May 2016.
1.3.1
This
monthly EM&A Report comprises the following sections:
¡P
Section
1: Introduction
¡P
Section
2: Project Information
¡P
Section
3: Status of Environmental Licenses, Notifications and Permits
¡P
Section
4: Air Quality Monitoring
¡P
Section
5: Noise Monitoring
¡P
Section
6: Water Monitoring
¡P
Section
7: Waste Management
¡P
Section
8: Environmental Site Inspection and Audit
¡P
Section
9: Implementation Status of Environmental Mitigation Measures
¡P
Section
10: Summary of EP Submission in the Reporting Month
¡P
Section
11: Environmental Non-Conformance
¡P
Section
12: Future Key Issues
¡P
Section
13: Conclusions and Recommendations
2.1.1
Tolo
Highway and Fanling Highway are expressways in the North East New Territories
connecting Sha Tin, Tai Po and Fanling.
These highways form a vital part of the strategic Route 1, which links
Hong Kong Island to Shenzhen. At
present, this section of Route 1 is a dual 3-lane carriageway. However, at several major interchanges
along this section of Route 1, the highway is only dual-2 lane. Severe congestion is a frequent
occurrence during peak periods, particularly in the Kowloon bound direction.
2.1.2
The
objective of the 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.
2.1.3
The
construction works for the Widening of Tolo Highway / Fanling Highway between
Island House Interchange and Fanling are to be delivered in 2 stages:
¡P
Stage
1 ¡V Construction works between Island House Interchange and Tai Hang; and
¡P
Stage
2 ¡V Construction works between Tai Hang and Wo Hop Shek Interchange.
2.1.4
The
construction works of Stage 1 under the EP commenced in November 2009 and was planned
to be completed in December 2013 tentatively. The works of Stage 2 was planned to
commence in November 2013 and complete by end of 2016. Hyder-Arup-Black and Veatch Joint
Venture (HABVJV) was appointed by the Highways Department (HyD) as the consultants
for the design and construction assignment for the Project. Mott MacDonald Hong Kong Ltd is the
Independent Environmental Checker (IEC) of both Stage 1 and Stage 2 works.
2.1.5
A
portion of Stage 2 works of Widening of Tolo Highway / Fanling Highway between
Island House Interchange and Fanling (hereafter called ¡§the Project¡¨) is
entrusted to the contractor of Contract No. CV/2012/09 Liantang / Heung Yuen
Wai Boundary Control Point Site Formation and Infrastructure Works Contract 3, i.e.
Chun Wo. AECOM Asia Co Ltd was
appointed by the CEDD as the consultant for the design and construction
assignment for the Liantang development.
2.1.6
The
Project is a Designated Project under the Environmental Impact Assessment Ordinance
(EIAO) (Cap. 499). An Environmental
Impact Assessment (EIA) Report together with an Environmental Monitoring and
Audit (EM&A) Manual were approved on 14 July 2000 (Register Number:
EIA-043/2000). The Project is governed
by an Environmental Permit (EP) (EP-324/2008) which was granted on 23 December
2008. A variation of EP (VEP) was
applied and the VEP (EP-324/2008/A) was subsequently granted on 31 January
2012. An additional VEP has been applied
on 24 February 2014 and the VEP (EP-324/2008/B) was subsequently granted on 17
March 2014. Furthermore, an additional VEP has been applied on
9 March 2015 and the VEP (EP-324/2008/C) was subsequently granted on 27 March
2015. The current VEP (EP-324/2008/D) was granted on 27 August 2015.
2.2.1
The
major construction activities under the Entrusted Portion of Widening of Tolo
Highway / Fanling Highway between Island House Interchange and Fanling Stage 2
include:
¡P
At-Grade
Road Works ¡V Temporary and permanent road formation, pipe laying, road drainage,
footpath and noise barrier construction;
¡P
Demolition
of existing Kiu Tau Footbridge and Footbridge Reprovision; and
¡P
Box
Culvert Extension ¡V Flow diversion of existing stream, excavation, sub-base and
blinding, base, wall and top slab construction.
2.2.2
Figure 1 shows the works areas for the
Entrusted Portion of Widening of Tolo Highway / Fanling Highway between Island
House Interchange and Fanling Stage 2.
2.3.1
The
major construction activities undertaken in the reporting month are summarized
below:
¡P
Cable
Detection and Trial Trenches;
¡P
Filling
Works at Tong Hang East;
¡P
Storm
Drains Laying;
¡P
Noise
Barrier Construction;
¡P
Pier
/ Pier Table Construction;
¡P
Pile
Cap Works;
¡P
Portal
Beam Construction;
¡P
Pre-drilling
Works and Piling Works for Viaduct;
¡P
Pre-drilling
works and Piling Works for Noise Barrier;
¡P
Retaining
Wall Construction;
¡P
Road
Works;
¡P
Sewer
Works;
¡P
Slope
Works;
¡P
Socket
H-pile Installation;
¡P
Steel
Posts and Panels Installation of Noise Barrier;
¡P
Tree
Felling Works;
¡P
Utilities
Duct Laying; and
¡P
Viaduct
segment erection.
2.3.2
The
construction programme is presented in Appendix A.
2.4.1
The
project organization structure is shown in Appendix B. The key personnel contact names and
numbers for the Project are summarised in Table 2.1.
Table 2.1 Contact Information of Key Personnel
Party |
Role |
Position |
Name |
Telephone |
Fax |
AECOM |
Engineer¡¦s
Representative |
Senior
Resident Engineer |
Mr. Alan Lee |
2171 3303 |
2171 3498 |
Resident Engineer (Environmental) |
Mr. |
2171 3350 |
|||
Mott MacDonald |
Independent Environmental Checker (IEC) |
IEC |
Mr. Steven Tang |
2828 5920 |
2827 1823 |
Chun Wo |
Contractor |
Site Agent |
Mr. Daniel Ho |
2638 6144 |
2638 7077 |
Environmental Officer |
Mr. |
2638 6181 |
|||
Meinhardt |
Environmental Team (ET) |
ET Leader |
Mr. Fredrick Leong |
2859 1739 |
2540 1580 |
3.1.1
The
relevant environmental licenses, permits and/or notifications on environmental
protection for this Project and valid in the reporting month are summarized in Table 3.1.
Table 3.1 Status of Environmental Licenses, Notifications and Permits
Permit / License No. / Notification / Reference No. |
Valid Period |
Status |
Remarks |
|
From |
To |
|||
Environmental Permit |
||||
EP-324/2008/D |
27 Aug 2015 |
-- |
Granted on 27 Aug 2015 |
|
Construction Noise Permit |
||||
GW-RN0892-15 |
9 Jan 2016 |
8 Jul 2016 |
Valid |
For loading and unloading along Fanling Highway both bounds |
GW-RN0064-16 |
16 Feb 2016 |
13 Aug 2016 |
Valid |
For road diversion and maintenance of Fanling Highway Northbound |
GW-RN0086-16 |
16 Feb 2016 |
7 May 2016 |
Expired |
For segment erection of pier AA4, AB6, AD7 and AA18 |
GW-RN0094-16 |
6 Mar 2016 |
22 May 2016 |
Expired |
For coring works along Fanling Highway during public holidays |
GW-RN0096-16 |
6 Mar 2016 |
12 Jun 2016 |
Valid |
For lane shifting work at Southbound of Fanling Highway |
GW-RN0097-16 |
1 Mar 2016 |
17 Jun 2016 |
Valid |
For road diversion and maintenance of Fanling Highway Southbound |
GW-RN0098-16 |
6 Mar 2016 |
4 Sep 2016 |
Valid |
For lane shifting work at Northbound of Fanling Highway |
GW-RN0113-16 |
25 Feb 2016 |
24 Aug 2016 |
Valid |
For Segment Delivery to Kiu Tau |
GW-RN0115-16 |
1 Mar 2016 |
7 May 2016 |
Expired |
For Segment erection of AC9 |
GW-RN0139-16 |
2 Mar 2016 |
24 Aug 2016 |
Valid |
For general works at the southward of site office |
GW-RN0140-16 |
2 Mar 2016 |
24 Aug 2016 |
Valid |
For general works at the northward of site office |
GW-RN0157-16 |
8 Mar 2016 |
7 Jun 2016 |
Cancelled on 3 May 2016 |
For falsework dismantling of Pier AB11 |
GW-RN0158-16 |
8 Mar 2016 |
31 Aug 2016 |
Valid |
For general work of AB10 |
GW-RN0168-16 |
15 Mar 2016 |
14 Sep 2016 |
Valid |
For segment erection crossing over MTRC¡¦s Rail Track of Pier AB11 and AD12(1900-2300) |
GW-RN0169-16 |
15 Mar 2016 |
14 Jun 2016 |
Cancelled on 28 Apr 2016 |
For segment erection crossing over MTRC¡¦s Rail Track of Pier AB11 and AD12(0145-0500) |
GW-RN0170-16 |
11 Mar 2016 |
10 Sep 2016 |
Valid |
For segment erection AB7 to AB10 |
GW-RN0172-16 |
29 Mar 2016 |
08 Apr 2016 |
Valid |
For AB11 Crosshead Concreting |
GW-RN0218-16 |
6 Apr 2016 |
30 Sep 2016 |
Valid |
For Segment erection across Fanling Highway |
GW-RN0233-16 |
11 Apr 2016 |
10 Oct 2016 |
Valid |
For general works on Tai Wo Service Road West |
GW-RN0244-16 |
16 Apr 2016 |
13 May 2016 |
Valid |
For road resurfacing at Tai Wo Service Road near Kiu Tau |
GW-RN0297-16 |
4 May 2016 |
30 Jun 2016 |
Valid |
For segment erection of AC5 |
GW-RN0303-16 |
30 Apr 2016 |
29 Jul 2016 |
Valid |
For segment erection crossing over MTRC¡¦s Rail Track of Pier AB11 and AD12(0115-0500) |
GW-RN0307-16 |
10 May 2016 |
9 Sep 2016 |
Valid |
For Segment erection of AC9 |
GW-RN0308-16 |
10 May 2016 |
9 Sep 2016 |
Valid |
For segment erection of pier AA4, AB6, AD7 and AA18 |
GW-RN0309-16 |
30 Apr 2016 |
29 Oct 2016 |
Valid |
For segment erection AB10 to AD11 |
GW-RN0305-16 |
5 May 2016 |
4 Aug 2016 |
Valid |
For falsework dismantling of Pier AB11 and AD12 |
Wastewater
Discharge License |
||||
WT00016832-2013 |
28 Aug 2013 |
31 Aug 2018 |
Valid |
-- |
Chemical
Waste Producer Registration
|
||||
5113-634-C3817-01 |
7 Oct 2013 |
-- |
Valid |
-- |
Billing
Account for Construction Waste Disposal |
||||
7017914 |
2 Aug 2013 |
-- |
Account Active |
-- |
Notification
Under Air Pollution Control (Construction Dust) Regulation |
||||
-- |
31 Jul 2013 |
30 Jul 2019 |
Notified |
-- |
4.1.1
In
accordance with the Updated EM&A Manual, 1-hr and 24-hr total suspended
particulate (TSP) levels at the designated air quality monitoring station are
required. Impact 24-hour TSP monitoring
should be carried out for at least once every 6 days. For the 1-hr TSP impact monitoring, the
sampling frequency of at least three times in every 6 days should be undertaken
when the highest dust impact occurs.
4.2.1
The
1hr- TSP and 24-hr TSP air quality monitoring were performed using a High
Volume Sampler (HVS), of which its location and operation satisfy, as far as
practicable, all the requirements as specified in the Updated EM&A Manual. The brand and model of the equipment are
given in Table 4.1.
Table 4.1 Air Quality Monitoring Equipment
Equipment |
Brand
and Model |
Quantity |
Serial Number |
High
Volume Sampler |
Tisch
Total Suspended Particulate Mass Flow Controlled High Volume Air Sampler
(Model No. TE-5170 MFC) |
1 |
2359 |
4.2.2
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.
4.2.3
Calibration
of the HVS (five point calibration) using Calibration Kit was carried out every
two months. The HVS calibration
orifice will be calibrated annually.
Calibration certificate of the TE-5025A Calibration Kit and the HVS are
provided in Appendix C.
4.3.1
Air
quality monitoring was conducted at the location specified in the Updated
EM&A Manual. Table 4.2 describes the details of the air
quality monitoring station with its location as shown in Figure 2.
Table 4.2 Location of Air Quality Monitoring
Air
Monitoring Station ID |
Monitoring
Location |
Description |
AM1(SR77)
* |
Yuen Leng
2 * |
Residential,
Ground floor |
Remark:
* Location
and Station / ASR ID as identified in Updated EM&A Manual / EIA Report for
Widening of Tolo Highway/Fanling Highway between Island House Interchange and
Fanling
4.4.1
Table 4.3 summarizes the monitoring
parameters, frequency and duration of impact TSP monitoring.
Table 4.3 Air Quality Monitoring Parameters, Frequency and Duration
Parameter |
Frequency
and Duration |
1-hour
TSP |
At least
three times in every 6 days should be undertaken when the highest dust impact
occur |
24-hour
TSP |
Once
every 6 days |
4.5.1
With
the consideration of criteria stated in the Updated EM&A Manual, the HVS
was installed in the vicinity of the air sensitive receivers.
4.5.2
The
relevant data including temperature, pressure, weather conditions, elapsed-time
meter reading for the start and stop of the sampler, identification and weight
of the filter paper, and any special phenomena observed were recorded. The weather information was referenced
from Hong Kong Observatory (http://www.weather.gov.hk/wxinfo/pastwx/extractc.htm).
4.5.3
A
HOKLAS accredited laboratory with constant temperature and humidity control,
and equipped with necessary measuring and conditioning instruments, to handle
the 24-hr TSP samples, was employed for sample analysis.
4.5.4
Filter
papers of size 8"x10" were labelled before sampling. They were inspected to be clean with no
pin holes and conditioned in a humidity controlled chamber for over 24-hr and were
pre-weighed before use for the sampling.
4.5.5
The
24-hr TSP levels were measured by following the standard high volume sampling
method for TSP as set out in the Title 40 of the United States Code of Federal
Regulations, Chapter 1 (Part 50), Appendix B. TSP was sampled by drawing air through a
conditioned, pre-weighted filter paper inside the HVS at a controlled air flow
rate. After 24-hr sampling, the
filter papers loaded with dust were kept in a clean and tightly sealed plastic
bag, and then returned to the laboratory for reconditioning in the humidity
controlled chamber followed by accurate weighing by an electronic balance with
a readout down to 0.1 mg.
4.5.6
All
the collected samples were kept in a good condition for 6 months before
disposal.
4.5.7
For
1-hr TSP monitoring, monitoring methodology is the same as 24-hr TSP monitoring
which has been presented in Section 4.5.1 to Section 4.5.6, but with sampling period changed
to 1 hour.
4.6.1
The
schedule for environmental monitoring for the reporting month is provided in Appendix
D. Meteorological
data extracted from Hong Kong Observatory for the reporting month
is provided in Appendix E.
4.7.1
The
monitoring results for 1-hr and 24-hr TSP are summarised in Table 4.4 and Table 4.5 respectively. Detailed air quality monitoring results
and the graphical presentation of air quality monitoring data for the current
and past three reporting months are presented in Appendix F.
Table 4.4 Summary of 1-hr TSP Monitoring Results
ASR ID |
Average (mg/m3) |
Range (mg/m3) |
Action Level (mg/m3) |
Limit Level (mg/m3) |
AM1(SR77) * |
158.7 |
130.4 ¡V188.1 |
292.7 |
500 |
Remark:
* Station /
ASR ID as identified in Updated EM&A Manual / EIA Report for Widening of
Tolo Highway/Fanling Highway between Island House Interchange and Fanling
Table 4.5 Summary of 24-hr TSP Monitoring Results
ASR ID |
Average (mg/m3) |
Range (mg/m3) |
Action Level (mg/m3) |
Limit Level (mg/m3) |
AM1(SR77) * |
109.1 |
96.9 ¡V 123.8 |
170.3 |
260 |
Remark:
* Station /
ASR ID as identified in Updated EM&A Manual / EIA Report for Widening of
Tolo Highway/Fanling Highway between Island House Interchange and Fanling
4.7.2
No
exceedance of Action and Limit Level was recorded for 24-hour TSP monitoring at
the monitoring location AM1(SR77) in the reporting month.
4.7.3
No
exceedance of Action and Limit Level was recorded for 1-hour TSP monitoring at
the monitoring location AM1(SR77) in the reporting month.
4.7.4
The
Event and Action Plan for the occurrence of non-compliance of the air quality
criteria is annexed in Appendix G.
5.1.1
In
accordance with the Updated EM&A Manual, the impact noise monitoring
frequency shall depend on the scale of the construction activities. An initial guide on the regular
monitoring frequency should be at least once per week when noise generating
activities are underway.
5.2.1
Noise
monitoring was performed using a sound level meter at the monitoring station. The sound level meter deployed complies with
the International Electrotechnical Commission Publications 651:1979 (Type 1)
and 804:1985 (Type 1) specifications.
An acoustic calibrator was deployed to check the sound level meter at a
known sound pressure level. The
brand and model of the equipment is given in Table 5.1.
Table 5.1 Noise Monitoring Equipment
Equipment |
Brand and Model |
Quantity |
Serial Number |
Sound Level Calibrator |
Rion (Model No. NC-74) |
1 |
34857296 |
Sound Level Meter |
B&K (Model No. 2238) |
1 |
2694908 |
5.2.2
The
sound level calibrator and sound level meter were verified by a certified
laboratory every year. Calibration
certificates of the sound level meter and acoustic calibrator are provided in Appendix
C.
5.3.1
Impact
noise monitoring was conducted at the location specified in the Updated
EM&A Manual. Table 5.2 describes the details of the noise monitoring
station with its location as shown in Figure 2.
Table 5.2 Location of Noise Monitoring
NSR ID |
Monitoring Location |
Description |
M1(SR77) * |
Yuen Leng 2 * |
Residential, Ground floor |
Remark:
* Location and
Station / NSR ID as identified in Updated EM&A Manual / EIA Report for
Widening of Tolo Highway/Fanling Highway between Island House Interchange and
Fanling
5.4.1
Table 5.3 summarizes the monitoring
parameters, frequency and duration of impact noise monitoring.
Table 5.3 Noise Monitoring Parameters, Frequency and Duration
Parameter
and Duration |
Frequency |
30-mins
measurement at between 0700 and 1900 on normal weekdays. Leq, L10 and L90 would be recorded. |
At least
once per week |
5.5.1
The monitoring procedures are summarised as follows:
¡P
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 SR77;
¡P
The battery condition was checked to ensure good
functioning of the meter;
¡P
Parameters such as frequency weighting, the time
weighting and the measurement time were set as follows:
¡P
Frequency weighting: A
¡P
Time weighting: Fast
¡P
Parameters: Leq, L10 and L90
¡P
Time measurement: Leq(30-minutes) during
non-restricted hours i.e. 07:00 ¡V 19:00 hrs on normal weekdays
¡P
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 1dB(A), the measurement would
be considered invalid and repeat of noise measurement would be required after
re-calibration or repair of the equipment.
¡P
At the end of the monitoring period, the Leq, L10
and L90 were recorded. In addition,
site conditions and noise sources were recorded on a standard record sheet.
¡P
A façade correction of +3dB (A) shall be made to
the noise parameter obtained by free field measurement.
5.6.1
The
schedule for environmental monitoring for the reporting month is provided in Appendix
D. Meteorological
data extracted from Hong Kong Observatory for the reporting month
is provided in Appendix E.
5.7.1
The monitoring results for noise are summarized in Table 5.4 and the monitoring results and the graphical
presentation of noise level for the current and past three reporting months are presented in Appendix
H.
Table 5.4 Summary of Noise Monitoring Results
Noise Monitoring Station ID |
Average, dB(A), Leq (30min) (2) |
Range, dB(A), |
Action Level |
Limit Level, dB(A) |
M1(SR77) (1) |
66.4 |
59.5 ¡V76.5 |
When one documented
valid complaint is received |
75 |
Remark:
(1) Station / NSR ID as identified in
Updated EM&A Manual / EIA Report for Widening of Tolo Highway/Fanling
Highway between Island House Interchange and Fanling
(2) +3dB(A) façade correction included
5.7.2
Major
noise sources during the noise monitoring included construction activities of
the Project and that along Tai Wo Service Road East, and nearby traffic noise.
5.7.3
No
noise complaint was received in the reporting month, so no Action Level
exceedance was recorded. Also, 1 Limit
Level exceedance of noise monitoring was recorded on 16 May 2016 in the
reporting month. Investigation for the exceedance was conducted which concluded
that the exceedance was not related to the project works. The investigation report for the
incident is presented in Appendix M.
5.7.4
The Event and Action Plan for the occurrence of
non-compliance of the noise criteria is annexed in Appendix G.
6.1.1
The box culvert works have been partially completed
by the end of March 2014 except the last construction activity, installation of
a base slab at Box Culvert ID4. Due
to the loading requirement of a fresh water main under the box culvert,
installation of the base slab at Box Culvert ID4 originally scheduled from 19
February 2016. However, the mentioned works were cancelled and postponed to the
next dry season in late 2016 after the utilities diversions complete.
6.1.2
The construction works are temporarily suspended
until the utilities diversion works complete. The 4-week post construction water
quality monitoring will be commenced after the installation of the base slab
finishes, hence the completion of the box culvert works.
7.1.1
The
Contractor has registered as a chemical waste producer of the Project. The C&D materials and waste sorting were
carried out on-site. Receptacles
were provided for general refuse collection.
7.1.2
As
advised by the Contractor, a total of 488m3 of excavated material
has been generated. 475m3 of inert C&D materials was disposed of
at public fill to Tuen Mun Area 38. No inert C&D materials were reused on
site. 105m3 of general
refuse was disposed of at North East New Territories (NENT) Landfill. No plastics were collected by recycling
contractor in the reporting month. No paper/cardboard packaging was
collected by recycling contractor in the reporting month. No metals were collected by recycling
contractor in the reporting month. No
chemical waste was collected by licensed contractor in the reporting period. Details of the waste management data are
presented in Appendix K.
Table 8.1 Observations and Recommendations of Site Audit
Parameters |
Date |
Observations and Recommendations |
Follow-up |
Water
Quality |
9 May 2016 |
Reminder: The Contractor
was reminded to provide sufficient control measures to prevent wheel washing
water from entering the public drainage system near the site exit at SA23. |
Sandbags have been provided at the
gully to protect wheel washing water entering the drainage system as observed
during the site inspection on 18 May 2016. |
Air
Quality |
N/A |
N/A |
N/A |
Noise |
N/A |
N/A |
N/A |
Waste / Chemical Managem-ent |
N/A |
N/A |
N/A |
Landscape
& Visual |
N/A |
N/A |
N/A |
Permits /
Licenses |
N/A |
N/A |
N/A |
9.1.1
The
Contractor has implemented the relevant environmental mitigation measures as specified
in the EIA Reports, EPs and updated EM&A Manual. The implementation status of
environmental mitigation measures during the reporting period is summarized in Appendix
L.
10.1.1 The status of the required
submission under the EP during the reporting period is summarized in Table 10.1.
Table 10.1 Status of Required Submission under Environmental Permit
EP
Condition |
Submission |
Submission
Date |
Condition
3.3 |
Monthly
EM&A Report for April 2016 |
13 May 2016 |
11.1.1 No exceedance of Action and Limit
Level was recorded for 24-hour TSP monitoring at the monitoring location
AM1(SR77) in the reporting month.
11.1.2 No exceedance of Action and Limit
Level was recorded for 1-hour TSP monitoring at the monitoring location
AM1(SR77) in the reporting month.
11.1.3 No noise complaint was received in
the reporting month, so no Action Level exceedance was recorded. Also, 1 Limit Level exceedance of noise
monitoring was recorded on 16 May 2016 in the reporting month. Investigation for the exceedance was
conducted which concluded that the exceedance was not related to the project
works. The investigation report for
the incident is presented in Appendix M.
11.2.1 No environmental non-compliance was
recorded in the reporting month.
The cumulative statistics are provided in Appendix N.
11.3.1 No
environmental complaints were received in the reporting month. The cumulative statistics are provided in Appendix
N.
11.4.1 No environmental related prosecution
or notification of summons was received in the reporting month. The cumulative statistics are provided
in Appendix N.
12.1.1 The major construction works in the coming
reporting month are anticipated to include:
¡P
Cable
Detection and Trial Trenches;
¡P
Filling
Works at Tong Hang East;
¡P
Storm
Drains Laying;
¡P
Noise
Barrier Construction;
¡P
Pier
/ Pier Table Construction;
¡P
Pile
Cap Works;
¡P
Portal
Beam Construction;
¡P
Pre-drilling
Works and Piling Works for Viaduct;
¡P
Pre-drilling
Works for Noise Barrier and Piling Works for Noise Barrier;
¡P
Retaining
Wall Construction;
¡P
Road
Works;
¡P
Sewer
Works;
¡P
Slope
Works;
¡P
Socket
H-pile Installation;
¡P
Tree
Felling Works;
¡P
Utilities
Duct Laying;
¡P
Viaduct
Segment Erection; and
¡P
Water
Main Connection Works.
12.2.1 Key issues to be considered in the
coming month are anticipated to include:
¡P
Site
discharges should be properly collected and treated prior to discharge;
¡P
Properly
maintain all drainage facilities and wheel washing facilities on site;
¡P
Expose
slopes and dusty stockpile should be covered up properly if no work will be
conducted;
¡P
Operation
of construction plant should be sequenced where practicable;
¡P
Good
housekeeping should be maintained and general refuse should be removed
regularly;
¡P
Chemical
waste should be stored, handled and disposed of properly;
¡P
Properly store and label oils and chemicals
on site; and
¡P
A
spill response procedure shall be in place and absorption material available
for minor spillages.
12.3.1 The tentative schedule for
environmental monitoring for the coming month is provided in Appendix D.
13.1.1 The construction phase EM&A
programme of the Project commenced on 5 November 2013.
13.1.2 The 1-hr TSP, 24-hr TSP and noise
monitoring were carried out in the reporting period.
13.1.3 No exceedance of Action and Limit
Level was recorded for 24-hour TSP monitoring at the monitoring location AM1(SR77)
in the reporting month.
13.1.4 No exceedance of Action and Limit
Level was recorded for 1-hour TSP monitoring at the monitoring location
AM1(SR77) in the reporting month.
13.1.5 No noise complaint was received in
the reporting month, so no Action Level exceedance was recorded. Also, 1 Limit Level exceedance of noise
monitoring was recorded on 16 May 2016 in the reporting month. Investigation for the exceedance was
conducted which concluded that the exceedance was not related to the project
works. The investigation report for
the incident is presented in Appendix M.
13.1.6 Five (5) environmental site inspections were
carried out in the reporting month.
Recommendations on remedial actions were given to the Contractors for
the deficiencies identified during the site audit.
13.1.7 The box culvert works have been
partially completed by the end of March 2014 except the last construction
activity, installation of a base slab at Box Culvert ID4. Due to the loading requirement of a
fresh water main under the box culvert, installation of the base slab at Box
Culvert ID4 originally scheduled from 19 February 2016. However, the mentioned
works were cancelled and postponed to the next dry season in late 2016 after the
utilities diversions complete.
13.1.8 The construction works are
temporarily suspended until the utilities diversion works complete. The 4-week post construction water
quality monitoring will be commenced after the installation of the base slab
finishes, hence the completion of the box culvert works.
13.2.1 According to the environmental site
inspections performed in the reporting month, the following recommendation was
provided:
¡P
Silt
removal facilities, channels and manholes should be well inspected and maintained
regularly.