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Job No.: TCS00694/13 |
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Agreement No. CE 45/2008
(CE) Liantang/Heung Yuen Wai Boundary Control Point
and Associated Works |
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Monthly Environmental Monitoring and Audit Report (No.34)
¡V May 2016 |
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Prepared For |
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Civil Engineering and Development Department (CEDD) |
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Date |
Reference No. |
Prepared By |
Certified By |
14
June 2016 |
TCS00694/13/600/R0372v2 |
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Martin Li (Assistant Environmental Consultant) |
Tam Tak Wing (Environmental Team Leader) |
Version |
Date |
Remarks |
1 |
10 June 2016 |
First
Submission |
2 |
14 June 2016 |
Amended
against IEC¡¦s comment on 13 June 2016 |
executive summary
ES01
This is the 34th monthly EM&A report presenting the monitoring
results and inspection findings for the reporting period from 1 to 31 May 2016
(hereinafter ¡¥the Reporting Period¡¦).
Environmental
Monitoring and Audit Activities
ES02
To facilitate the project management and
implementation, Liantang/Heung Yuen Wai Boundary Control Point and Associated Works of the
Project is divided to seven CEDD contracts including Contract 2 (CV/2012/08),
Contract 3 (CV/2012/09), Contract 4 (TCSS),
Contract 5 (CV/2013/03), Contract 6 (CV/2013/08) and Contract 7 (NE/2014/03) and
an ArshSD contract (Contract SS C505).
ES03
In the Reporting Period, the construction
works under Liantang/Heung Yuen Wai Boundary Control Point and Associated Works of the
Project currently included Contract 2, Contract 3, Contract 5, Contract 6,
Contract 7 and Contract SS C505. Environmental
monitoring activities under the EM&A programme in
the Reporting Period are summarized in the following table.
Environmental Aspect |
Environmental
Monitoring Parameters / Inspection |
Reporting Period |
|
Number of Monitoring
Locations to undertake |
Total Occasions |
||
Air Quality |
1-hour TSP |
9 |
147 |
24-hour TSP |
9 |
45 |
|
Construction Noise |
Leq(30min) Daytime |
10 |
45 |
Water Quality |
Water in-situ
measurement and/or sampling |
WM1 & WM1-C, |
13 Scheduled &
2 extra |
WM2A & WM2A-C |
12 Scheduled & 5
extra |
||
WM2B & WM2B-C |
13 Scheduled &
0 extra |
||
WM3 &WM3-C |
13 Scheduled & 4
extra |
||
WM4, WM4-CA &WM4-CB |
13 Scheduled &
0 extra |
||
Joint Site Inspection / Audit |
IEC, ET, the Contractor and RE joint site Environmental Inspection and
Auditing |
Contract 2 |
4 |
Contract 3 |
5 |
||
Contract 5 |
5 |
||
Contract 6 |
4 |
||
Contract 7 |
5 |
||
Contract SS C505 |
4 |
Note: Extra monitoring day was due to measurement
results exceedance
One scheduled day and one extra day were unsuccessful conducted water
quality monitoring at WM2A
Breach of Action and Limit (A/L) Levels
ES04
In the Reporting Period, no air quality and
construction noise exceedance was registered for the Project. For water quality
monitoring, a total of twenty-seven (27) Limit Level (LL) exceedances, namely fifteen
(15) LL exceedances of turbidity and twelve (12) LL exceedances of Suspended
Solids. The summary of exceedance
in the Reporting Period is shown below.
Environmental
Aspect |
Monitoring Parameters |
Action Level |
Limit Level |
Event & Action |
||
NOE Issued |
Investigation Result |
Corrective Actions |
||||
Air Quality |
1-hour TSP |
0 |
0 |
0 |
-- |
-- |
24-hour TSP |
0 |
0 |
0 |
-- |
-- |
|
Construction Noise |
Leq(30min) Daytime |
0 |
0 |
0 |
-- |
-- |
Water Quality |
DO |
0 |
0 |
0 |
-- |
-- |
Turbidity |
0 |
15 |
15 |
Total one exceedance is due to the project construction activities and
fourteen exceedance are not due to the project construction activities |
The relevant Contractor shall implemented water quality
mitigation measures in accordance with ISEMM of the EM&A Manual
requirements |
|
SS |
0 |
12 |
12 |
Total one exceedance is due to the project construction activities and
eleven exceedance are not due to the project construction activities |
Environmental
Complaint
ES05
In this Reporting Period, three (3) documented environmental complaints related Contract 2 and/or
Contract 6 are received by CEDD or 1823. The complaint received on 26 May 2016
is under investigation while the investigation report of the complaint received
on 28 May 2016 and 31 May 2016 are under review.
Notification of Summons and Successful Prosecutions
ES06
No environmental summons or successful
prosecutions were recorded in the Reporting Period.
ES07
The Noise Monitoring Location NM2 was
relocated to NM2a in the Reporting Period starting from 9 May 2016. The proposal
for Noise Monitoring Location relocation from NM2 to NM2a was submitted to IEC and
verified by IEC on 6 May 2016.
ES08
In this Reporting Period, joint site inspection to evaluate the site
environmental performance at Contract 2 has been carried out by
the RE, IEC, ET and the Contractor on 6, 13, 20 and 27 May 2016. No non-compliance was noted.
ES09
In the Reporting Period, joint site
inspection to evaluate the site environmental performance at Contract
3 has been carried out by the RE, IEC, ET and the Contractor on 5, 9, 18, 23, 30 May 2016. No non-compliance was noted.
ES10
In the Reporting Period, joint site
inspection to evaluate the site environmental performance at Contract
5 has been carried out by the RE, IEC, ET and the Contractor on 3, 10, 17, 24, 31 May 2016. No non-compliance was noted.
ES11
In the Reporting Period, joint site
inspection to evaluate the site environmental performance at Contract
6 has been carried out by the RE, IEC, ET and the Contractor on 5, 12, 19, 26 May 2016. No non-compliance was noted.
ES12
In the Reporting Period, joint site
inspection to evaluate the site environmental performance at Contract
SS C505 has been carried out by the RE, IEC, ET and the Contractor on 4, 11, 18, 25 May 2016. No non-compliance was noted.
ES13
In the Reporting Period, joint site
inspection to evaluate the site environmental performance at Contract
7 has been carried out by the RE, IEC, ET and the Contractor on 3, 10, 17, 24, 31 May 2016. No non-compliance was noted.
Future Key Issues
ES14
As wet season has come, preventive measures for muddy
water or other water pollutants from site surface flow to local stream such as Kong Yiu Channel, Ma
Wat Channel, Ping Yuen River or public area would be the key issue. The Contractors should paid special attention on water
quality mitigation measures and fully implement according ISEMM of the EM&A
Manual, in particular for working areas near Ma Wat Channel and Ping Yuen
River.
Moreover, all effluent discharge shall be ensure to fulfill Technical
Memorandum of Effluent Discharged into Drainage and Sewerage Systems, inland
and Coastal Waters criteria or discharge permits stipulation.
ES15
Construction noise would
be a key environmental issue during construction work of the Project. Noise mitigation measures such as using
quiet plants should be implemented in accordance with the EM&A requirement.
ES16
Since most of construction sites under the Project are
located adjacent to villages, the Contractors should fully
implement air quality mitigation measures to reduce construction dust emission.
Table of Contents
2 Project
Organization and Construction progress
2.1 Construction
Contract Packaging
2.5 Summary of Environmental Submissions
3 Summary
of Impact Monitoring Requirements
3.4 Monitoring
Frequency and Period
3.8 Derivation
of Action/Limit (A/L) Levels
3.9 Data
Management and Data QA/QC Control
4.2 Air
Quality Monitoring Results in Reporting Month
5 Construction
Noise Monitoring
5.2 Noise
Monitoring Results in Reporting Month
6.2 Results
of Water Quality Monitoring
7.2 Records
of Waste Quantities
8.2 Findings
/ Deficiencies During the Reporting Month
9 Environmental
Complaint and Non-Compliance
9.1 Environmental
Complaint, Summons and Prosecution
10 Implementation
Status of Mitigation Measures
10.2 Tentative
Construction Activities in the Coming Month
10.3 Key
Issues for the Coming Month
11 Conclusions
and Recommendations
List
of TABLES
Table 2-1 Status
of Environmental Licenses and Permits of the Contracts
Table 3-1 Summary
of EM&A Requirements
Table 3-2 Impact
Monitoring Stations - Air Quality
Table 3-3 Impact
Monitoring Stations - Construction Noise
Table 3-4 Impact
Monitoring Stations - Water Quality
Table 3-5 Air
Quality Monitoring Equipment
Table 3-6 Construction
Noise Monitoring Equipment
Table 3-7 Water
Quality Monitoring Equipment
Table 3-8 Action
and Limit Levels for Air Quality Monitoring
Table 3-9 Action
and Limit Levels for Construction Noise
Table 3-10 Action and Limit
Levels for Water Quality
Table 4-1 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM1a
Table 4-2 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM2
Table 4-3 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM3
Table 4-4 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM4B
Table 4-5 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM5a
Table 4-6 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM6
Table 4-7 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM7a
Table 4-8 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM8
Table 4-9 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM9b
Table 5-1 Summary
of Construction Noise Monitoring Results (Contract 3 and 5)
Table 5-2 Summary
of Construction Noise Monitoring Results (Contract 2 and 6)
Table 6-1 Summary
of Water Quality Monitoring Results for Contract 2 and 3
Table 6-2 Summary
of Water Quality Monitoring Results for Contract 5 and SS C505
Table 6-3 Summary
of Water Quality Monitoring Results for Contract 6
Table 6-4 Summary
of Water Quality Monitoring Results for Contract 2 and 6
Table 6-5 Breaches
of Water Quality Monitoring Criteria in Reporting Period
Table 6-6 Summary
of Water Quality Exceedance in the Reporting Period
Table 6-7 Summary
of Water Quality Exceedance which were under review by IEC in April 2016
Table 7-1 Summary
of Quantities of Inert C&D Materials
Table 7-2 Summary
of Quantities of C&D Wastes
Table 8-1 Site
Observations for Contract 2
Table 8-2 Site
Observations for Contract 3
Table 8-3 Site
Observations for Contract 5
Table 8-4 Site
Observations for Contract 6
Table 8-5 Site
Observations for Contract SS C505
Table 8-6 Site
Observations for Contract 7
Table 9-1 Statistical
Summary of Environmental Complaints
Table 9-2 Statistical
Summary of Environmental Summons
Table 9-3 Statistical
Summary of Environmental Prosecution
Table 10-1 Environmental
Mitigation Measures
List of Appendices
Appendix
A Layout Plan of the
Project
Appendix
B Organization Chart
Appendix
C 3-month rolling
construction program
Appendix
D Designated Monitoring
Locations as Recommended in the Approved EM&A Manual
Appendix
E Monitoring
Locations for Impact Monitoring
Appendix
F Calibration
Certificate of Monitoring Equipment and HOKLAS-accreditation Certificate of the
Testing Laboratory
Appendix
G Event and Action
Plan
Appendix
H Impact Monitoring
Schedule
Appendix I Database of Monitoring
Result
Appendix J Graphical Plots for
Monitoring Result
Appendix
K Meteorological
Data
Appendix L Waste Flow Table
Appendix M Implementation Schedule for
Environmental Mitigation Measures
Appendix N Investigation Report for
Exceedance
1.1.1
Civil Engineering and Development Department is the Project Proponent and the Permit Holder of Agreement No. CE 45/2008 (CE) Liantang / Heung Yuen Wai Boundary Control Point and
Associated Works, which is a Designated Project to be implemented under
Environmental Permit number EP-404/2011/C granted on 12 March 2015.
1.1.2
The Project consists of two main components: Construction of a Boundary
Control Point (hereinafter referred as ¡§BCP¡¨); and Construction of a connecting
road alignment. Layout plan of the Project is shown in Appendix A.
1.1.3
The proposed BCP is located at the boundary with Shenzhen near the
existing Chuk Yuen Village, comprising a main
passenger building with passenger and cargo processing facilities and the
associated customs, transport and ancillary facilities. The connecting road alignment consists
of six main sections:
1)
Lin Ma Hang to Frontier Closed Area (FCA) Boundary ¡V this section
comprises at-grade and viaducts and includes the improvement works at Lin Ma
Hang Road;
2)
Ping Yeung to Wo Keng Shan ¡V this section
stretches from the Frontier Closed Area Boundary to the tunnel portal at Cheung
Shan and comprises at-grade and viaducts including an interchange at Ping
Yeung;
3)
North Tunnel ¡V this section comprises the tunnel segment at Cheung Shan
and includes a ventilation building at the portals on either end of the tunnel;
4)
Sha Tau Kok Road ¡V this section stretches from
the tunnel portal at Wo Keng Shan to the tunnel
portal south of Loi Tung and comprises at-grade and
viaducts including an interchange at Sha Tau Kok and
an administration building;
5)
South Tunnel ¡V this section comprises a tunnel segment that stretches from
Loi Tung to Fanling and
includes a ventilation building at the portals on either end of the tunnel as
well as a ventilation building in the middle of the tunnel near Lau Shui Heung;
6)
Fanling ¡V this section comprises the at-grade, viaducts
and interchange connection to the existing Fanling
Highway.
1.1.4
Action-United
Environmental Services & Consulting has
been commissioned as an Independent ET to implement the relevant
EM&A program in accordance with the
approved EM&A Manual, as well as the associated duties. As part of the EM&A program, the
baseline monitoring has carried out between 13 June 2013 and 12 July
2013 for all parameters including air quality, noise and water quality
before construction work commencement.
The Baseline Monitoring Report summarized the key findings and the
rationale behind determining a set of Action and Limit Levels (A/L Levels) from
the baseline data. Also, the
Project baseline monitoring report which verified by the IEC has been submitted
to EPD on 16 July 2013 for endorsement. The major construction works of the
Project was commenced on 16 August 2013
in accordance with the EP Section 5.3 stipulation.
1.1.5
This is 34th
monthly EM&A report presenting the monitoring results and
inspection findings for reporting period from 1 to 31 May 2016.
1.2.1
The Monthly Environmental Monitoring and
Audit (EM&A) Report is structured into the following sections:-
Section 1 Introduction
Section 2 Project
Organization and Construction Progress
Section 3 Summary
of Impact Monitoring Requirements
Section 4 Air
Quality Monitoring
Section 5 Construction
Noise Monitoring
Section 6 Water
Quality Monitoring
Section 7 Waste
Management
Section 8 Site
Inspections
Section 9 Environmental
Complaints and Non-Compliance
Section 10 Implementation
Status of Mitigation Measures
Section 11 Conclusions
and Recommendations
2.1.1
To facilitate the project management and
implementation, the Project would be divided by the following contracts:
¡P
Contract 2 (CV/2012/08)
¡P
Contract 3 (CV/2012/09)
¡P
Contract 4 (NE/2014/02)
¡P
Contract 5 (CV/2013/03)
¡P
Contract 6 (CV/2013/08)
¡P
Contract 7 (NE/2014/03)
¡P
ArchSD Contract No. SS C505
2.1.2
The
details of each contracts is summarized below and the delineation of each contracts is shown in Appendix
A.
Contract 2 (CV/2012/08)
2.1.3
Contract 2 has awarded in December 2013 and
construction work was commenced on 19 May 2014. Major Scope of Work of the Contract 2 is
listed below:
¡P
construction of
an approximately 5.2km long dual two-lane connecting road (with about 0.4km of
at-grade road and 4.8km of tunnel) connecting the Fanling
Interchange with the proposed Sha Tau Kok
Interchange;
¡P
construction of a
ventilation adit tunnel and the mid-ventilation
building;
¡P
construction of
the north and south portal buildings of the Lung Shan Tunnel and their
associated slope works;
¡P
provision and
installation of ventilation system, E&M works and building services works
for Lung Shan tunnel and Cheung Shan tunnel and their portal buildings;
¡P
construction of
Tunnel Administration Building adjacent to Wo Keng
Shan Road and the associated E&M and building services works; and
¡P
construction of associated
footpath, slopes, retaining structures, drainage, sewerage, waterworks,
landscaping works and other ancillary works.
Contract 3 (CV/2012/09)
2.1.4
Contract 3 was awarded in July 2013 and
construction work was commenced on 5 November 2013. Major Scope of Work of the Contract 3 is
listed below:
¡P
construction of
four link roads connecting the existing Fanling
Highway and the south portal of the Lung Shan Tunnel;
¡P
realignment of
the existing Tai Wo Service Road West and Tai Wo Service Road East;
¡P
widening of the
existing Fanling Highway (HyD¡¦s
entrustment works);
¡P
demolishing
existing Kiu Tau vehicular bridge and Kiu Tau footbridge and reconstruction of the existing Kiu Tau Footbridge (HyD¡¦s
entrustment works); and
¡P
construction of associated
footpath, slopes, retaining structures, drainage, sewerage, waterworks,
landscaping works and other ancillary works.
Contract 4 (NE/2014/02)
2.1.5
Contract
4 has awarded in mid-April 2016. However, the major construction work still is not
yet commenced. The scope of work
of the Contract 4 includes:
¡P
design,
supply, delivery, installation, testing and commissioning of a traffic control
and surveillance system for the connecting road linking up the Liantang / Heung Yuen Wai Boundary Control Point and the
existing Fanling Highway.
Contract 5 (CV/2013/03)
2.1.6
Contract 5 has awarded in April 2013 and construction
work was commenced in August 2013.
Major Scope of Work of the Contract 5 is listed below:
¡P
site formation of about 23
hectares of land for the development of the BCP;
¡P
construction of an
approximately 1.6 km long perimeter road at the BCP including a 175m long
depressed road;
¡P
associated
diversion/modification works at existing local roads and junctions including
Lin Ma Hang Road;
¡P
construction of pedestrian
subway linking the BCP to Lin Ma Hang Road;
¡P
provision of resite area with supporting infrastructure for reprovisioning of the affected village houses; and
¡P
construction of associated footpath, slopes, retaining structures, drainage, sewerage,
waterworks, landscaping works and other ancillary works.
Contract 6 (CV/2013/08)
2.1.7
Contract 6 has awarded in June 2015 and
construction work was commenced on 23 October 2015. Major Scope of Work of the Contract 6 would
be included below:
construction of an approximately 4.6km long dual two-lane connecting
road (with about 0.6km of at-grade road, 3.3km of viaduct and 0.7km of tunnel)
connecting the BCP with the proposed Sha Tau Kok Road
Interchange and the associated ventilation buildings;
associated diversion/modification works at access roads to the resite of Chuk Yuen Village;
provision of sewage collection, treatment and disposal facilities for
the BCP and the resite of Chuk
Yuen Village;
construction of a pedestrian subway linking the BCP to Lin Ma Hang
Road;
provisioning of the affected facilities including Wo Keng Shan Road garden; and
construction of associated footpath, slopes, retaining
structures, drainage, sewerage, waterworks, landscaping works and other
ancillary works.
Contract 7 (NE/2014/03)
2.1.8
Contract 7 has awarded in December 2015 and
the construction works of Contract 7 was commenced on 15 February 2016. Major Scope of Work of the Contract 7 would
be included below:
construction of the Hong Kong Special
Administrative Region (HKSAR) portion of four vehicular bridge
construction of one pedestrian bridge crossing Shenzhen (SZ) River
(cross boundary bridges)
ArchSD Contract No. SS C505
2.1.9
SS C505 has awarded in July 2015 and
construction work was commenced on 1 September 2015. Major Scope of Work of the SS C505 would
be included below:
passenger-related facilities including
processing kiosks and examination facilities for private cars and coaches,
passenger clearance building and halls, the interior fitting works for the
pedestrian bridge crossing Shenzhen River, etc.;
cargo processing facilities including kiosks
for clearance of goods vehicles, customs inspection platforms, X-ray building,
etc.;
accommodation for the facilities inside of the
Government departments providing services in connection with the BCP;
transport-related facilities inside the BCP
including road networks, public transport interchange, transport drop-off and
pick-up areas, vehicle holding areas and associated road furniture etc;
a public carpark; and
other ancillary
facilities such as sewerage and drainage, building services provisions and
electronic systems, associated environmental mitigation measure and landscape
works.
2.2.1
The project organization is shown in Appendix
B. The responsibilities of
respective parties are:
Civil
Engineering and Development Department (CEDD)
2.2.2
CEDD is the Project Proponent and the Permit Holder of the EP of the development
of the Project and will assume overall responsibility for the project. An
Independent Environmental Checker (IEC) shall be employed by CEDD to audit the
results of the EM&A works carried out by the ET.
Architectural
Services Department (ArchSD)
2.2.3
ArchSD acts as
the works agent for Development Bureau (DEVB), for Contract SS C505 Liantang/ Heung Yuen Wai Boundary Control Point (BCP) ¡V BCP
Buildings and Associated Facilities.
Environmental
Protection Department (EPD)
2.2.4
EPD is the statutory enforcement body for
environmental protection matters in Hong Kong.
Ronald Lu
& Partners (Hong Kong) Ltd (The Architect)
2.2.5
Ronald Lu & Partners (Hong Kong) Ltd is
appointed by ArchSD as an Architect for Contract SS
C505 Liantang/ Heung Yuen Wai Boundary Control Point
(BCP) ¡V BCP Buildings and Associated Facilities. It responsible for overseeing the
construction works of Contract SS C505 and for ensuring that the works are
undertaken by the Contractor in accordance with the specification and contract
requirements. The duties and responsibilities of the Architect with respect to
EM&A are:
Monitor the Contractors¡¦ compliance with
contract specifications, including the implementation and operation of the
environmental mitigation measures and their effectiveness
Monitor Contractors¡¦ and ET¡¦s compliance with
the requirements in the Environmental Permit (EP) and EM&A Manual
Facilitate ET¡¦s implementation of the EM&A
programme
Participate in joint site inspection by the ET
and IEC
Oversee the implementation of the agreed Event
/ Action Plan in the event of any exceedance
Adhere to the procedures for carrying out
complaint investigation
Liaison with DSD, Engineer/Engineer¡¦s
Representative, ET, IEC and the Contractor of the ¡§Construction of the DSD¡¦s
Regulation of Shenzhen River Stage 4 (RSR 4)¡¨ Project discussing regarding the
cumulative impact issues.
Engineer
or Engineers Representative (ER)
2.2.6
The ER is responsible for overseeing the
construction works and for ensuring that the works are undertaken by the
Contractor in accordance with the specification and contract requirements. The
duties and responsibilities of the ER with respect to EM&A are:
¡P
Monitor the Contractors¡¦ compliance with
contract specifications, including the implementation and operation of the
environmental mitigation measures and their effectiveness
¡P
Monitor Contractors¡¦s,
ET¡¦s and IEC¡¦s compliance with the requirements in the Environmental Permit
(EP) and EM&A Manual
¡P
Facilitate ET¡¦s implementation of the
EM&A programme
¡P
Participate in joint site inspection by the
ET and IEC
¡P
Oversee the implementation of the agreed
Event / Action Plan in the event of any exceedance
¡P
Adhere to the procedures for carrying out
complaint investigation
¡P
Liaison with DSD, Engineer/Engineer¡¦s Representative,
ET, IEC and the Contractor of the ¡§Construction of the DSD¡¦s Regulaiton of Shenzhen River Stage 4 (RSR 4)¡¨ Project
discussing regarding the cumulative impact issues.
The
Contractor(s)
2.2.7
There will be one contractor for each
individual works contract. Once the contractors are appointed, EPD, ET and IEC
will be notified the details of the contractor.
2.2.8
The Contractor for Contracts under CEDD
should report to the ER. For ArchSD Contract, the
Contractor should report to the Architect or Architect¡¦s Representative (AR).
The duties and responsibilities of the Contractor are:
¡P
Comply with the relevant contract conditions
and specifications on environmental protection
¡P
Employ an Environmental Team (ET) to
undertake monitoring, laboratory analysis and reporting of EM &A Facilitate
ET¡¦s monitoring and site inspection activities
¡P
Participate in the site inspections by the ET
and IEC, and undertake any corrective actions
¡P
Provide information / advice to the ET
regarding works programme and activities which may contribute
to the generation of adverse environmental impacts
¡P
Submit proposals on mitigation measures in
case of exceedances of Action and Limit levels in accordance with the Event /
Action Plans
¡P
Implement measures to reduce impact where
Action and Limit levels are exceeded
¡P
Adhere to the procedures for carrying out
complaint investigation
Environmental Team (ET)
2.2.9
Once the ET is appointed, the EPD, CEDD, ER, Architect
and IEC will be notified the details of the ET.
2.2.10
The ET shall not be in any way an associated
body of the Contractor(s), and shall be employed by the Project
Proponent/Contractor to conduct the EM&A programme.
The ET should be managed by the ET
Leader. The ET Leader shall be a person who has at least 7 years¡¦ experience in
EM&A and has relevant professional qualifications. Suitably qualified staff
should be included in the ET, and resources for the implementation of the
EM&A programme should be allocated in time under
the Contract(s), to enable fulfillment of the Project¡¦s EM&A requirements
as specified in the EM&A Manual during construction of the Project. The ET shall report to the Project
Proponent and the duties shall include:
¡P
Monitor and audit various environmental
parameters as required in this EM&A Manual
¡P
Analyse the
environmental monitoring and audit data, review the success of EM&A programme and the adequacy of mitigation measures
implemented, confirm the validity of the EIA predictions and identify any
adverse environmental impacts arising
¡P
Carry out regular site inspection to
investigate and audit the Contractors¡¦ site practice, equipment/plant and work
methodologies with respect to pollution control and environmental mitigation,
and effect proactive action to pre-empt problems
¡P
Monitor compliance with conditions in the EP,
environmental protection, pollution prevention and control regulations and
contract specifications
¡P
Audit environmental conditions on site
¡P
Report on the environmental monitoring and
audit results to EPD, the ER, the Architect, the lEC
and Contractor or their delegated representatives
¡P
Recommend suitable mitigation measures to the
Contractor in the case of exceedance of Action and Limit levels in accordance
with the Event and Action Plans
¡P
Liaise with the IEC on all environmental
performance matters and timely submit all relevant EM&A proforma
for approval by IEC
¡P
Advise the Contractor(s) on environmental
improvement, awareness, enhancement measures etc., on site
¡P
Adhere to the procedures for carrying out
complaint investigation
¡P
Liaison with the client departments,
Engineer/Engineer¡¦s Representative, ET, lEC and the
Contractor(s) of the concurrent projects as listed under Section 2.3 below regarding
the cumulative impact issues.
Independent Environmental Checker (IEC)
2.2.11
One IEC will be employed for this Project.
Once the IEC is appointed, EPD, ER, the Architect and ET will be notified the
details of the IEC.
2.2.12
The Independent Environmental Checker (IEC)
should not be in any way an associated body of the Contractor or the ET for the
Project. The IEC should be employed by the Permit Holder (i.e., CEDD) prior to
the commencement of the construction of the Project. The IEC should have at
least 10 years¡¦ experience in EM&A and have relevant professional
qualifications. The appointment of IEC should be subject to the approval of
EPD. The IEC should:
¡P
Provide proactive advice to the ER and the
Project Proponent on EM&A matters related to the project, independent from
the management of construction works, but empowered to audit the environmental
performance of construction
¡P
Review and audit all aspects of the EM&A programme implemented by the ET
¡P
Review and verify the monitoring data and all
submissions in connection with the EP and EM&A Manual submitted by the ET
¡P
Arrange and conduct regular, at least monthly
site inspections of the works during construction phase, and ad hoc inspections
if significant environmental problems are identified
¡P
Check compliance with the agreed Event /
Action Plan in the event of any exceedance
¡P
Check compliance with the procedures for
carrying out complaint investigation
¡P
Check the effectiveness of corrective
measures
¡P
Feedback audit results to ET by signing off
relevant EM&A proforma
¡P
Check that the mitigation measures are
effectively implemented
¡P
Verify the log-book(s) mentioned in Condition
2.2 of the EP, notify the Director by fax, within one working day of receipt of
notification from the ET Leader of each and every occurrence, change of
circumstances or non-compliance with the EIA Report and/or the EP, which might
affect the monitoring or control of adverse environmental impacts from the
Project
¡P
Report the works conducted, the findings, recommendation
and improvement of the site inspections, after reviewing ET¡¦s and Contractor¡¦s
works, and advices to the ER and Project Proponent on a monthly basis
¡P
Liaison with the client departments,
Engineer/Engineer¡¦s Representative, the Architect, ET, lEC
and the Contractor of the concurrent projects as listed under Section 2.3 below
regarding the cumulative impact issues.
2.3.1
The concurrent construction works that may be
carried out include, but not limited to, the following:
(a)
Regulation of Shenzhen River Stage IV;
(b)
Widening of Fanling
Highway ¡V Tai Hang to Wo Hop Shek
Interchange ¡V Contract No. HY/2012/06;
(c)
Construction of BCP
facilities in Shenzhen.
2.4.1
In the Reporting Period, the major
construction activity conducted under the Project is located in Contracts 2, 3,
5, 6, 7 and SS C505 and they are summarized in below. Moreover, 3-month rolling construction
program for all the current contracts is enclosed in Appendix C.
Contract 2 (CV/2012/08)
2.4.2
The
contract commenced in May 2014. In this Reporting Period, construction
activities conducted are listed below:
Mid-Vent
Portal |
Tube
excavation (NB + SB) Adit invert slab Ventilation
building superstructure |
North Portal |
Slope
stabilization and retaining wall Northbound
top heading excavation and tunnel enlargement Tunnel
Boring Machine (TBM) excavation |
South Portal |
Southbound and Northbound Drill
and Blast (D&B) excavation
Building works superstructure |
Admin
Building |
Building
works foundation |
Contract 3 (CV/2012/09)
2.4.3
The Contract commenced in November 2013. In this Reporting Period, construction
activities conducted are listed below:
Cable
detection and trial trenches
Filling
works at Tong Hang East
Storm
drain laying
Noise
barrier construction
Pier /
pier table construction
Pile
cap works
Portal
beam construction
Pre-drilling
Works and Piling Works for Viaduct
Pre-drilling
Works and Piling Works for Noise Barrier
Retaining
Wall construction
Road
works
Sewer
works
Slope
works
Socket
H-pile Installation
Steel
Posts and Panels Installation of Noise Barrier
Tree
Felling Works
Utilities
Duct Laying
Viaduct
segment erection
Contract 4 (Contract number to be assigned)
2.4.4
The
Contract was awarded in mid-April 2016 and the major construction work has not yet
commenced.
Contract 5 (CV/2013/03)
2.4.5
The Contract awarded in April 2013 and
commenced on August 2013. In this
Reporting Period, construction activities conducted are listed below:
Construction
of rising main (VO61) at existing Lin Ma Hang (LMH) Road
Bituminous
laying at existing LMH road
Brick
laying at footpath of LMH road
Planting
at proposed and existing LMH road
Installation
of Underground Utility (UU) at proposed and existing LMH road
Irrigation
at proposed LMH Road
Contract 6 (CV/2013/08)
2.4.6
Contract 6 has awarded in June 2015 and
construction work was commenced on 23 October 2015. In this Reporting Period,
construction activities conducted are listed below:
Slope
Works
Bored
Piling
Abutment
and Pier Construction
Sewage
Treatment Plant Construction
Road
Works
Tunnel
Works
Contract 7 (NE/2014/03)
2.4.7
Contract 7 has awarded in December 2015 and
construction work was commenced on 15 February 2016. In this Reporting Period, construction
activities conducted are listed below:
Ground Investigation Works for Bridge A, C and E
Piling Works for Bridge B, C, D
Contract SS C505
2.4.8
Contract SS C505 has awarded in July 2015 and
construction work was commenced on 1 September 2015. In this Reporting Period, construction
activities conducted are listed below:
General Site Setup
CLP temporally
sub-station works
Erection of Welfare
Shelter
Building no. 5, 9 and 36
construction
Pile cap construction for
Building no. 4, 6 & 7
Tower crane TC10
construction
H-pile works and load
test
Disassembly of crawler
crane
Grouting and full core to
completed bored piles
Bridge construction works
including construction of bridge column, retaining wall, pile cap
Underground drainage
works
Prototype ¡§A¡¨
Construction works
Prototype ¡§B¡¨ footing
construction works
Formwork and falsework
for PTB¡¦s slap construction
Pile Cap construction for
PTB
2.5.1
In according to the EP, the required documents
have submitted to EPD which listed in below:
Project Layout Plans of Contracts 2, 3, 5, 6, 7 and SS C505
Landscape Plan
Topsoil Management Plan
Environmental Monitoring and Audit Programme
Baseline Monitoring Report (TCS00690/13/600/R0030v3) for the Project
Waste Management Plan of the Contracts 2, 3, 5,
6, 7 and SS C505
Contamination Assessment Plan (CAP) and
Contamination Assessment Report (CAR) for Po Kat Tsai, Loi
Tung and the workshops in Fanling
Vegetation Survey Report
Woodland Compensation Plan
Habitat Creation Management Plan
Wetland Compensation Plan
2.5.2
Summary of
the relevant permits, licenses, and/or notifications on environmental
protection for the Project of each contracts are presented in Table 2-1.
Table 2-1 Status of Environmental
Licenses and Permits of the Contracts
Item |
Description |
License/Permit Status |
||||
Ref. no. |
Effective Date |
Expiry Date |
||||
Contract 2 |
||||||
1 |
Air pollution Control (Construction Dust) Regulation |
Ref No.: 368864 |
31 Dec 2013 |
Till Contract ends |
||
2 |
Chemical Waste Producer Registration |
North Portal Waste
Producers Number: No.5213-652-D2523-01 |
25 Mar 2014 |
Till Contract ends |
||
Mid-Vent Portal Waste
Producers Number: No.5213-634-D2524-01 |
25 Mar 2014 |
Till Contract ends |
||||
South Portal Waste
Producers Number: No.5213-634-D2526-01 |
9 Apr 2014 |
Till Contract ends |
||||
3 |
Water Pollution Control Ordinance - Discharge License |
No.WT00018374-2014 |
8 Oct 2014 |
30 Sep 2019 |
||
No.: W5/1I389 |
28 Mar 2014 |
31 Mar 2019 |
||||
No. WT00023063-2015 |
18 Dec 2015 |
31 Mar 2019 |
||||
No.: W5/1I392 |
28 Mar 2014 |
31 Mar 2019 |
||||
4 |
Waste Disposal Regulation - Billing Account for
Disposal of Construction Waste |
Account No. 7019105 |
8 Jan 2014 |
Till Contract ends |
||
5 |
Construction
Noise Permit |
GW-RN0738-15 |
18 Nov 2015 |
8 May 2016 |
||
GW-RN0795-15 |
7 Dec 2015 |
6 Jun 2016 |
||||
GW-RN0893-15 |
01-Jan-2016 |
27-Jun-2016 |
||||
GW-RN0057-16 |
28-Feb-2016 |
27-May-2016 |
||||
GW-RN0059-16 |
24-Feb-2016 |
23-Apr-2016 |
||||
GW-RN0067-16 |
28-Feb-2016 |
27-May-2016 |
||||
GW-RN0068-16 |
23-Feb-2016 |
22-Apr-2016 |
||||
GW-RN0071-16 |
02-Feb-16 |
31-Jul-2016 |
||||
GW-RN0077-16 |
07-Feb-2016 |
06-Aug-2016 |
||||
GW-RN0167-16 |
18-Mar-2016 |
17-May-2016 |
||||
GW-RN0199-16 |
24-Mar-2016 |
17-Sep-2016 |
||||
GW-RN0323-16 |
30-Apr-2016 |
29-Jun-2016 |
||||
GW-RN0321-16 |
30-Apr-2016 |
29-Jun-2016 |
||||
GW-RN0359-16 |
20-May-2016 |
19-Aug-2016 |
||||
GW-RN0378-16 |
30-May-2016 |
29-Aug-2016 |
||||
GW-RN0332-16 |
09-May-2016 |
08-Aug-2016 |
||||
6 |
Specified Process License (Mortar
Plant Operation) |
L-3-251(1) |
12-Apr-2016 |
11-Apr-2021 |
||
Contract 3 |
||||||
1 |
Air pollution Control (Construction Dust) Regulation |
Ref. No: 362101 |
17 Jul 2013 |
Till Contract ends |
||
2 |
Chemical Waste Producer Registration |
Waste Producers Number:
No.:5113-634-C3817-01 |
7 Oct 2013 |
Till Contract ends |
||
3 |
Water Pollution Control Ordinance - Discharge License |
No.:WT00016832 ¡V 2013 |
28 Aug 13 |
31 Aug
2018 |
||
4 |
Waste Disposal Regulation - Billing Account for
Disposal of Construction Waste |
Account No. 7017914 |
2 Aug 13 |
Till Contract ends |
||
5 |
Construction
Noise Permit |
GW-RN0892-15 |
9 Jan 2016 |
8 July
2016 |
||
GW-RN0064-16 |
16 Feb
2016 |
13 Aug
2016 |
||||
GW-RN0086-16 |
16 Feb
2016 |
7 May 2016 |
||||
GW-RN0094-16 |
6 Mar 2016 |
22 May
2016 |
||||
GW-RN0096-16 |
6 Mar 2016 |
12 Jun
2016 |
||||
GW-RN0097-16 |
1 Mar 2016 |
17 Jun
2016 |
||||
GW-RN0098-16 |
1 Mar 2016 |
4 Sep 2016 |
||||
GW-RN0113-16 |
25 Feb
2016 |
24 Aug
2016 |
||||
GW-RN0115-16 |
1 Mar 2016 |
7 May 2016 |
||||
GW-RN0139-16 |
2 Mar 2016 |
24 Aug 2016 |
||||
GW-RN0140-16 |
2 Mar 2016 |
24 Aug 2016 |
||||
GW-RN0158-16 |
8 Mar 2016 |
31 Aug 2016 |
||||
GW-RN0168-16 |
15 Mar 2016 |
14 Jun 2016 |
||||
GW-RN0170-16 |
11 Mar 2016 |
10 Sep 2016 |
||||
GW-RN0218-16 |
6 April 2016 |
30 Sep 2016 |
||||
GW-RN0233-16 |
11 April 2016 |
10 Oct 2016 |
||||
GW-RN0244-16 |
16 April 2016 |
13 May 2016 |
||||
GW-RN0297-16 |
4 May 2016 |
30 June 2016 |
||||
GW-RN0303-16 |
30 April 2016 |
29 July 2016 |
||||
GW-RN0307-16 |
10 May 2016 |
9 Sep 2016 |
||||
GW-RN0308-16 |
10 May 2016 |
9 Sep 2016 |
||||
GW-RN0309-16 |
30 April 2016 |
29 Oct 2016 |
||||
GW-RN0305-16 |
5 May 2016 |
4 Aug 2016 |
||||
Contract 5 |
||||||
1 |
Air pollution Control (Construction Dust) Regulation |
Ref. No: 359338 |
13 May 2013 |
Till the end of Contract |
||
2 |
Chemical Waste Producer Registration |
Waste Producers Number No.:
5213-642-S3735-01 |
8 Jun 2013 |
Till the end of Contract |
||
3 |
Water Pollution Control Ordinance - Discharge License |
No.: W5/1G44/1 |
8 Jun 13 |
30 Jun 2018 |
||
4 |
Waste Disposal Regulation - Billing Account for
Disposal of Construction Waste |
Account No. 7017351 |
29 Apr 13 |
Till the end of Contract |
||
Contract 6 |
||||||
1 |
Air pollution Control (Construction Dust) Regulation |
Ref. No: 390614 |
29 Jun 2015 |
Till the end of Contract |
||
2 |
Chemical Waste Producer Registration |
Waste Producers Number No.: 5213-652-C3969-01 |
31 Aug 2015 |
Till the end of Contract |
||
3 |
Waste Disposal Regulation - Billing Account for
Disposal of Construction Waste |
Account No. 7022707 |
9 Jul 2015 |
Till the end of Contract |
||
4 |
Water Pollution Control Ordinance - Discharge License |
No.:WT00024574-2016 |
31 May 2016 |
31 May 2021 |
||
No.:WT00024576-2016 |
31 May 2016 |
31 May 2021 |
||||
Contract SS C505 |
||||||
1 |
Air pollution Control (Construction Dust) Regulation |
Ref. No: 390974 |
13 Jul 2015 |
Till the end of Contract |
||
2 |
Chemical Waste Producer Registration |
Waste
Producer No.: 5213-642-L1048-07 |
16 Sep 2015 |
Till the end of Contract |
||
3 |
Water Pollution Control Ordinance - Discharge License |
No.:
WT00022774-2015 |
17 Nov 2015 |
30 Nov 2020 |
||
4 |
Waste Disposal Regulation - Billing Account for
Disposal of Construction Waste |
Account No. 7022831 |
23 Jul 2015 |
Till the end of Contract |
||
5 |
Construction
Noise Permit |
PP-RN0013-16 |
14 April 2016 |
22 May 2016 |
||
GW-RN0197-16 |
23 Mar 2016 |
22 May 2016 |
||||
GW-RN0209-16 |
23 Mar 2016 |
22 May 2016 |
||||
PP-RN0007-16 |
10 Mar 2016 |
9 May 2016 |
||||
PP-RN0015-16 |
16 May 2016 |
15 July 2016 |
||||
GW-RN0337-16 |
23 May 2016 |
22 July 2016 |
||||
Contract
7 |
||||||
1 |
Air pollution Control (Construction Dust) Regulation |
Ref. No: 397015 |
21 Dec 2015 |
Till the end of Contract |
||
2 |
Chemical Waste Producer Registration |
Waste
Producer No.: 5214-641-K3202-01 |
24 Mar 2016 |
Till the end of Contract |
||
3 |
Water Pollution Control Ordinance - Discharge License |
No.:
WT00022774-2015 |
10 May 2016 |
31 May 2021 |
||
4 |
Waste Disposal Regulation - Billing Account for
Disposal of Construction Waste |
Account No. 7024129 |
21 Jan 2016 |
Till the end of Contract |
||
5 |
Construction
Noise Permit |
GW-RN0162-16 |
23 Mar 2016 |
22 May 2016 |
||
Contract 4 |
||||||
1 |
Air pollution Control (Construction Dust) Regulation |
Application
is under preparation |
||||
2 |
Chemical Waste Producer Registration |
Application
is under preparation |
||||
3 |
Water Pollution Control Ordinance - Discharge License |
Application
is under preparation |
||||
4 |
Waste Disposal Regulation - Billing Account for
Disposal of Construction Waste |
Application
is under preparation |
||||
3.1.1
The Environmental Monitoring and Audit
requirements are set out in the Approved EM&A manual. Environmental issues
such as air quality, construction noise and water quality were identified as
the key issues during the construction phase of the Project.
3.1.2
A summary of construction phase EM&A
requirements are presented in the
sub-sections below.
3.2.1
The EM&A program of construction phase
monitoring shall cover the following environmental issues:
•
Air quality;
•
Construction noise; and
•
Water quality
3.2.2
A summary of the monitoring parameters is
presented in Table 3-1.
Table 3-1 Summary
of EM&A Requirements
Environmental Issue |
Parameters |
Air Quality |
1-hour
TSP by Real-Time Portable Dust Meter; and 24-hour
TSP by High Volume Air Sampler. |
Noise |
Leq(30min) in
normal working days (Monday to Saturday) 07:00-19:00 except public holiday;
and 3 sets
of consecutive Leq(5min) on restricted
hours i.e. 19:00 to 07:00 next day, and whole day of public holiday or Sunday Supplementary
information for data auditing, statistical results such as L10 and
L90 shall also be obtained for reference. |
Water Quality |
In-situ Measurements Dissolved
Oxygen Concentration (mg/L); Dissolved
Oxygen Saturation (% ); Turbidity
(NTU); pH unit; Water
depth (m); and Temperature
(¢J). |
Laboratory Analysis
Suspended
Solids (mg/L) |
3.3.1
The designated monitoring locations as
recommended in the EM&A Manual
are shown in Appendix D. As the access to some of the designated
monitoring locations was questionable due to safety reason or denied by the
landlords, alternative locations therefore have had proposed. The proposed
alternative monitoring locations has updated in the revised EM&A Programme which verified by IEC and certified by ET Leader
prior submitted to EPD on 10 July 2013. Table 3-2, Table 3-3 and Table
3-4 are respectively listed the air quality, construction noise and
water quality monitoring locations for the Project and a map showing these
monitoring stations is presented in Appendix
E.
Table 3-2 Impact
Monitoring Stations - Air Quality
Station ID |
Description |
Works Area |
Related to the Work Contract |
AM1b^ |
Open area at Tsung Yuen Ha Village |
BCP |
SS C505 Contract 5 Contract 7 |
AM2 |
Village House
near Lin Ma Hang Road |
LMH to Frontier
Closed Area |
Contract 5 Contract 6 |
AM3 |
Ta Kwu Ling Fire Service Station of Ta Kwu
Ling Village. |
LMH to Frontier
Closed Area |
Contract 5 Contract 6 |
AM4b^ |
House no. 10B1 Nga Yiu Ha Village |
LMH to Frontier
Closed Area |
Contract 6 |
AM5a^ |
Ping Yeung
Village House |
Ping Yeung to
Wo Keng Shan |
Contract 6 |
AM6 |
Wo Keng Shan Village House |
Ping Yeung to
Wo Keng Shan |
Contract 6 |
AM7b@ |
Loi Tung Village House |
Sha Tau Kok Road |
Contract 2 Contract 6 |
AM8 |
Po Kat Tsai
Village No. 4 |
Po Kat Tsai |
Contract 2 |
AM9b# |
Nam Wa Po Village House No. 80 |
Fanling |
Contract 3 |
# Proposal for the change of air quality monitoring location from AM9a
to AM9b was submitted to EPD on 4 Nov 2013 after verified by the IEC and it was
approved by EPD (EPD¡¦s ref.: (15) in EP 2/N7/A/52 Pt.10 dated 8 Nov 2013).
* Proposal for the change of air quality monitoring location from AM1to
AM1a was submitted to EPD on 24 March 2014 after verified by the IEC. It was
approved by EPD (EPD¡¦s ref.: (6) in EP 2/N7/A/52 Pt.12 dated 9 Jun 2014).
@ Proposal for the change of air quality monitoring location from AM7a to
AM7b was submitted to EPD on 4 June 2014 after verified by the IEC. It was
approved by EPD (EPD¡¦s ref.: (7) in EP 2/N7/A/52 Pt.12 dated 9 Jun 2014).
^ Proposal for change of air quality monitoring locations was enclosed
in the updated EM&A Programme which approval by
EPD on 29 Mar 2016.
Table 3-3 Impact
Monitoring Stations - Construction Noise
Station ID |
Description |
Works Area |
Related to the Work Contract |
NM1 |
Tsung Yuen Ha Village House No. 63 |
BCP |
SS C505 Contract 5 Contract 7 |
NM2a# |
Village House near Lin Ma Hang
Road |
Lin Ma Hang to Frontier Closed
Area |
Contract 5, Contract 6 |
NM3 |
Ping Yeung Village House (facade
facing northeast) |
Ping Yeung to Wo Keng Shan |
Contract 6 |
NM4 |
Wo Keng
Shan Village House |
Ping Yeung to Wo Keng Shan |
Contract 6 |
NM5 |
Village House, Loi
Tung |
Sha Tau Kok
Road |
Contract 2, Contract 6 |
NM6 |
Tai Tong Wu Village House 2 |
Sha Tau Kok
Road |
Contract 2, Contract 6 |
NM7 |
Po Kat Tsai Village |
Po Kat Tsai |
Contract 2 |
NM8 |
Village House, Tong Hang |
Fanling |
Contract 2 Contract 3 |
NM9 |
Village House, Kiu
Tau Village |
Fanling |
Contract 3 |
NM10 |
Nam Wa
Po Village House No. 80 |
Fanling |
Contract 3 |
# Proposal for the change of construction noise monitoring location from
NM2 to NM2a was verified by the IEC on 6 May 2016 and was effective on 9 May
2016.
Table 3-4 Impact
Monitoring Stations - Water Quality
Station ID |
Description |
Coordinates of Designated / Alternative Location |
Nature of the location |
Related to the Work Contract |
|
WM1 |
Downstream of Kong Yiu Channel |
833 679 |
845 421 |
Alternative location located at upstream 51m of the designated location |
SS C505 Contract 5 Contract 6 |
WM1- Control |
Upstream of Kong Yiu Channel |
834 185 |
845 917 |
NA |
SS C505 Contract 5 Contract 6 |
WM2A |
Downstream of River Ganges |
834 204 |
844 471 |
Alternative location located at downstream 81m of the designated
location |
Contract 6 |
WM2A- Controlx |
Upstream of River Ganges |
835 377 |
844 188 |
Alternative location located at upstream 160m of the designated location |
Contract 6 |
WM2B |
Downstream of River Ganges |
835 433 |
843 397 |
NA |
Contract 6 |
WM2B- Control |
Upstream of River Ganges |
835 835 |
843 351 |
Alternative location located at downstream 31m of the designated
location |
Contract 6 |
WM3x |
Downstream of River Indus |
836 206 |
842 270 |
Alternative location located at downstream 180m of the designated
location |
Contract 2 Contract 6 |
WM3- Control |
Upstream of River Indus |
836 763 |
842 400 |
Alternative location located at downstream 26m of the designated
location |
Contract 2 Contract 6 |
WM4 |
Downstream of Ma Wat Channel |
833 850 |
838 338 |
Alternative location located at upstream 11m of the designated location |
Contract 2 Contract 3 |
WM4¡V Control A |
Kau Lung Hang
Stream |
834 028 |
837 695 |
Alternative location located at downstream 28m of the designated
location |
Contract 2 Contract 3 |
WM4¡V Control B |
Upstream of Ma Wat Channel |
833760 |
837395 |
Alternative location located at upstream 15m of the designated location |
Contract 2 Contract 3 |
Note: EPD has approved the revised EM&A Programme
on 29th March 2016. If the measured water depth of the monitoring
station is lower than 150 mm, alternative location
(WM3x and WM2A-Controlx) based on the criteria were selected to perform water
monitoring in accordance with the updated EM&A Programme
(Rev. 05) (Section 4.1.4)
The requirements of impact monitoring are stipulated in Sections 2.1.6, 3.1.5 and 4.1.6 of the approved EM&A Manual and presented as
follows.
Air Quality Monitoring
3.4.1
Frequency of impact air quality monitoring is
as follows:
1-hour TSP |
3 times every six
days during course of works |
24-hour TSP |
Once every 6 days
during course of works. |
Noise Monitoring
3.4.2
One set of Leq(30min)
as 6 consecutive Leq(5min)
between 0700-1900 hours on normal weekdays and once every week during course of
works. If construction work
necessary to carry out at other time periods, i.e. restricted time period
(19:00 to 07:00 the next morning and whole day on public holidays) (hereinafter
referred as ¡§the restricted hours¡¨), 3 consecutive Leq(5min)
measurement will depended CNP requirements to undertake. Supplementary
information for data auditing, statistical results such as L10 and L90
shall also be obtained for
reference.
Water Quality Monitoring
3.4.3
The water quality monitoring frequency shall
be 3 days per week during course of works.
The interval between two sets of monitoring shall not be less than 36
hours.
Air Quality Monitoring
3.5.1
The 24-hour and 1-hour TSP levels shall be
measured by following the standard high volume sampling method as set out in
the Title 40 of the Code of Federal
Regulations, Chapter 1 (Part 50), Appendix B. If the ET proposes to use a direct
reading dust meter to measure 1-hour TSP levels, it shall submit sufficient
information to the IEC to approve.
3.5.2
The filter paper of
24-hour TSP measurement shall be determined by HOKLAS accredited laboratory.
3.5.3
All equipment to be used for air quality
monitoring is listed in Table 3-5.
Table 3-5 Air
Quality Monitoring Equipment
Equipment |
Model |
24-Hr TSP |
|
High
Volume Air Sampler |
TISCH High Volume
Air Sampler, HVS Model TE-5170* |
Calibration
Kit |
TISCH Model TE-5025A* |
1-Hour TSP |
|
Portable Dust Meter |
Sibata LD-3B
Laser Dust monitor Particle Mass Profiler & Counter* |
* Instrument was used in the Reporting
Period and the calibration certificate could be referred in Appendix F.
Wind Data Monitoring Equipment
3.5.4
According to the approved EM&A Manual,
wind data monitoring equipment shall also be provided and set up for logging
wind speed and wind direction near the dust monitoring locations. The equipment installation location
shall be proposed by the ET and agreed with the IEC. For installation and operation of wind
data monitoring equipment, the following points shall be observed:
1)
The wind sensors should be installed 10 m
above ground so that they are clear of obstructions or turbulence caused by
buildings.
2)
The wind data should be captured by a data
logger. The data shall be downloaded for analysis at least once a month.
3)
The wind data monitoring equipment should be
re-calibrated at least once every six months.
4)
Wind direction should be divided into 16
sectors of 22.5 degrees each.
3.5.5
ET has liaised with the landlords of the
successful granted HVS installation premises. However, the owners rejected to provide
premises for wind data monitoring equipment installation.
3.5.6
Under this situation, the ET proposed
alternative methods to obtain representative wind data. Meteorological information as extracted
from ¡§the Hong Kong Observatory Ta Kwu Ling Station¡¨
is alternative method to obtain representative wind data. For Ta Kwu
Ling Station, it is located nearby the Project site. Moreover, this station is located at 15m
above mean sea level while its anemometer is located at 13m above the existing
ground which in compliance with the general setting up requirement. Furthermore, this station also can be to
provide the humidity, rainfall, and air pressure and temperature etc.
meteorological information. In Hong
Kong of a lot development projects, weather information extracted from Hong
Kong Observatory is common alternative method if weather station installation
not allowed.
Noise Monitoring
3.5.7
Sound level meter in compliance with the
International Electrotechnical Commission
Publications 651: 1979 (Type 1) and 804: 1985 (Type 1) specifications shall be
used for carrying out the noise monitoring. The sound level meter shall be checked
using an acoustic calibrator. The
wind speed shall be checked with a portable wind speed meter capable of
measuring the wind speed in m/s.
3.5.8
Noise monitoring equipment to be used for
monitoring is listed in Table 3-6.
Table 3-6 Construction
Noise Monitoring Equipment
Equipment |
Model |
Integrating Sound Level Meter |
B&K Type 2238* or Rion
NL-31 or Rion NL-52* |
Calibrator |
B&K Type 4231* or Cesva
CB-5 or Rion NC-74 |
Portable Wind Speed Indicator |
Testo Anemometer |
* Instrument was used in the Reporting
Period and the calibration certificate could be referred in Appendix F.
3.5.9
Sound level meters listed above comply with
the International Electrotechnical
Commission Publications 651: 1979 (Type 1) and 804: 1985 (Type 1) specifications, as recommended in TM issued
under the NCO. The acoustic
calibrator and sound level meter to be used in the impact monitoring will be
calibrated yearly.
Water Quality Monitoring
3.5.10
DO and water temperature should be measured
in-situ by a DO/temperature meter. The instrument should be portable and
weatherproof using a DC power source. It should have a membrane electrode with
automatic temperature compensation complete with a cable. The equipment should
be capable of measuring:
•
a DO level
in the range of 0-20 mg/l and 0-200% saturation; and
•
a
temperature of between 0 and 45 degree Celsius.
3.5.11
A portable pH meter capable of measuring a
range between 0.0 and 14.0 should be provided to measure pH under the specified
conditions accordingly to the APHA Standard Methods.
3.5.12
The instrument should be portable and
weatherproof using a DC power source. It should have a photoelectric sensor
capable of measuring turbidity between 0-1000 NTU.
3.5.13
A portable, battery-operated echo sounder or
tape measure will be used for the determination of water depth at each
designated monitoring station as appropriate.
3.5.14
A water sampler e.g. Kahlsico
Water Sampler, which is a transparent PVC cylinder with capacity not less than
2 litres, will be used for water sampling if water depth
over than 0.5m. For sampling
from very shallow water depths e.g. <0.5 m, water sample collection will be
directly from water surface below 100mm use sampling plastic bottle to avoid
inclusion of bottom sediment or humus.
Moreover, Teflon/stainless steel bailer or self-made sampling buckets
maybe used for water sampling. The
equipment used for sampling will be depended the sampling location and depth
situations.
3.5.15
Water samples for laboratory measurement of
SS will be collected in high density polythene bottles, packed in ice (cooled
to 4 ºC without being frozen), and delivered to the laboratory in the same day
as the samples were collected.
3.5.16
Analysis of suspended solids should be
carried out in a HOKLAS or other accredited laboratory. Water samples of about
1L should be collected at the monitoring stations for carrying out the
laboratory suspended solids determination.
The SS determination work should start within 24 hours after collection
of the water samples. The SS analyses should follow the APHA Standard Methods 2540D with Limit of Reporting of 2 mg/L.
3.5.17
Water quality monitoring equipment used in
the impact monitoring is listed in Table 3-7. Suspended solids (SS)
analysis is carried out by a local HOKLAS-accredited laboratory, namely ALS Technichem
(HK) Pty Ltd.
Table 3-7 Water
Quality Monitoring Equipment
Equipment |
Model |
Water
Depth Detector |
Eagle
Sonar or tape measures |
Water Sampler |
A 2-litre transparent PVC cylinder with latex cups at
both ends or teflon/stainless steel bailer or
self-made sampling bucket |
Thermometer & DO meter |
YSI Professional Plus /YSI PRO20 Handheld Dissolved
Oxygen Instrument* / YSI 550A Multifunctional Meter/ YSI Professional DSS* |
pH meter |
YSI Professional Plus / AZ8685 pH pen-style meter*/ YSI
6820/ 650MDS/ YSI Professional DSS* |
Turbidimeter |
Hach 2100Q*/ YSI 6820/
650MDS/ YSI Professional DSS* |
Sample Container |
High density polythene bottles (provided by laboratory) |
Storage
Container |
¡¥Willow¡¦
33-liter plastic cool box with Ice pad |
* Instrument was used in the Reporting
Period and the calibration certificate could be referred in Appendix F.
1-hour TSP
Monitoring
3.6.1
The 1-hour TSP monitor was a brand named ¡§Sibata LD-3B Laser Dust monitor Particle Mass Profiler
& Counter¡¨ which is a portable, battery-operated laser photometer. The 1-hour TSP meter provides a real
time 1-hour TSP measurement based on 90o light scattering. The 1-hour TSP monitor consists of the
following:
(a.)
A pump to draw sample aerosol through the
optic chamber where TSP is measured;
(b.)
A sheath air system to isolate the aerosol in
the chamber to keep the optics clean for maximum reliability; and
(c.)
A built-in data logger compatible with
Windows based program to facilitate data collection, analysis and reporting.
3.6.2
The 1-hour TSP meter is used within the valid
period as follow manufacturer¡¦s Operation and Service Manual.
3.6.3
The equipment used for 24-hour TSP
measurement is Tisch Environmental, Inc. Model TE-5170 TSP
high volume air sampling system, which complied with EPA Code of Federal Regulation, Appendix B to Part 50. The High
Volume Air Sampler (HVS) consists of the following:
(a.)
An anodized aluminum shelter;
(b.)
A 8¡¨x10¡¨ stainless steel filter holder;
(c.)
A blower motor assembly;
(d.)
A continuous flow/pressure recorder;
(e.)
A motor speed-voltage control/elapsed time
indicator;
(f.)
A 7-day mechanical timer, and
(g.)
A power supply of 220v/50 Hz
3.6.4
The HVS is operated and calibrated on a
regular basis in accordance with the manufacturer¡¦s instruction using Tisch Calibration Kit Model TE-5025A. Calibration would carry out in two month
interval.
3.6.5
24-hour TSP is collected by the ET on filters
of HVS and quantified by a local HOKLAS accredited laboratory, ALS Technichem (HK) Pty Ltd (ALS), upon receipt of the
samples. The ET keep all the
sampled 24-hour TSP filters in normal air conditioned room conditions, i.e. 70%
RH (Relative Humidity) and 25oC, for six months prior to disposal.
3.6.6
Noise measurements were taken in terms of the
A-weighted equivalent sound pressure level (Leq)
measured in decibels dB(A). Supplementary statistical
results (L10 and L90) were also obtained for reference.
3.6.7
During the monitoring, all noise measurements
would be performed with the meter set to FAST response and on the A-weighted
equivalent continuous sound pressure level (Leq). Leq(30min)
in six consecutive Leq(5min) measurements
will use as the monitoring parameter for the time period between 0700-1900
hours on weekdays; and also Leq(15min) in
three consecutive Leq(5min) measurements
would be used as monitoring parameter for other time periods (e.g. during
restricted hours), if necessary.
3.6.8
Prior of noise measurement, the accuracy of
the sound level meter is checked using an acoustic calibrator generating a
known sound pressure level at a known frequency. The checking is performed before and
after the noise measurement.
Water
Quality
3.6.9
Water quality monitoring is conducted at the
designated or alternative locations. The sampling procedures with the in-situ
monitoring are presented as below:
Sampling Procedure
3.6.10
A Digital Global
Positioning System (GPS) is used to identify the designated monitoring stations
prior to water sampling. A
portable, battery-operated echo sounder or tape measurement is used for the
determination of water depth at each station. At each station, water sample would be
collected from 0.1m below water surface or the water surface to prevent the
river bed sediment for stirring.
3.6.11
The sample container will be rinsed with a
portion of the water sample. The
water sample then will be transferred to the high-density polythene bottles as provided by the laboratory,
labeled with a unique sample number and sealed with a screw cap.
3.6.12
Before sampling, general information such as
the date and time of sampling, weather condition as well as the personnel
responsible for the monitoring would be recorded on the field data sheet.
3.6.13
A ¡¥Willow¡¦ 33-liter plastic cool box packed
with ice will be used to preserve the water samples prior to arrival at the
laboratory for chemical determination.
The water temperature of the cool box is maintained at a temperature as
close to 40C as possible without being frozen. Samples collected are delivered to the
laboratory upon collection.
In-situ Measurement
3.6.14
YSI PRO20 Handheld Dissolved Oxygen
Instrument or YSI Professional DSS is
used for water in-situ measures, which automates the measurements and
data logging of temperature, dissolved oxygen and dissolved oxygen
saturation.
3.6.15
A portable AZ Model 8685 pH pen-style meter or YSI Professional
DSS is used for in-situ pH measurement. The pH meter is capable of measuring pH
in the range of 0 ¡V 14 and readable to 0.1.
3.6.16
A portable Hach
2100Q Turbidimeter or YSI Professional DSS is used
for in-situ turbidity measurement. The turbidity meter is capable of measuring
turbidity in the range of 0 ¡V 1000 NTU.
3.6.17
All in-situ measurement equipment are
calibrated by HOKLAS accredited laboratory of three month interval.
Laboratory Analysis
3.6.18
All water samples analyzed Suspended Solids
(SS) will be carried out by a local HOKLAS-accredited testing laboratory (ALS Technichem (HK) Pty Ltd HOKLAS registration no. 66). SS determination using APHA
Standard Methods 2540D as specified in the EM&A Manual will start within
48 hours of water sample receipt.
3.7.1
Calibration of the HVS is performed upon installation
and thereafter at bimonthly intervals in accordance with the manufacturer¡¦s
instruction using the certified standard calibrator (TISCH Model TE-5025A). Moreover, the Calibration
Kit would be calibrated annually. The
calibration data are properly documented and the records are maintained by ET
for future reference.
3.7.2
The 1-hour TSP
meter was calibrated by the supplier prior to purchase. Zero response of the equipment would be
checked before and after each monitoring event. Annually calibration with the High
Volume Sampler (HVS) in same condition would be undertaken by the Laboratory.
3.7.3
The sound level
meter and calibrator are calibrated and certified by a laboratory accredited
under HOKLAS or any other international accreditation scheme at yearly basis.
3.7.4
All water quality monitoring equipment would
be calibrated by HOKLAS accredited laboratory of three month intervals.
3.7.5
The calibration
certificates of all monitoring equipment used for the impact monitoring program
in the Reporting Period and the HOKLAS accredited certificate of laboratory are attached in Appendix F.
3.8.1
The baseline results form the basis for
determining the environmental acceptance criteria for the impact
monitoring. According to the approved
Environmental Monitoring and Audit Manual, the air quality, construction noise
and water quality criteria were set up, namely Action and Limit levels are
listed in Tables 3-8, 3-9 and 3-10.
Table 3-8 Action and
Limit Levels for Air Quality Monitoring
Monitoring
Station |
Action Level (mg /m3) |
Limit Level (mg/m3) |
||
1-hour TSP |
24-hour TSP |
1-hour TSP |
24-hour TSP |
|
AM1b |
265 |
143 |
500 |
260 |
AM2 |
268 |
149 |
||
AM3 |
269 |
145 |
||
AM4b |
267 |
148 |
||
AM5a |
268 |
143 |
||
AM6 |
269 |
148 |
||
AM7b |
275 |
156 |
||
AM8 |
269 |
144 |
||
AM9b |
271 |
151 |
Table 3-9 Action
and Limit Levels for Construction Noise
Monitoring Location |
Action Level |
Limit Level in
dB(A) |
Time Period:
0700-1900 hours on normal weekdays |
||
NM1, NM2a, NM3,
NM4, NM5, NM6, NM7, NM8, NM9, NM10 |
When one
or more documented complaints are received |
75 dB(A)Note 1
& Note 2 |
Note 1: Acceptable Noise Levels
for school should be reduced to 70 dB(A)
and65 dB(A) during examination period
Note 2: If works are to be
carried out during restricted hours, the conditions stipulated in the construction noise permit issued by the NCA have to be followed.
Table 3-10 Action and
Limit Levels for Water Quality
Parameter |
Performance
criteria |
Monitoring Location |
|||||
WM1 |
WM2A |
WM2B |
WM3 |
WM4 |
|||
DO (mg/L) |
Action Level |
(*)4.23 |
(**)4.00 |
(*)4.74 |
(**)4.00 |
(*)4.14 |
|
Limit Level |
(#)4.19 |
(**)4.00 |
(#)4.60 |
(**)4.00 |
(#)4.08 |
||
Turbidity (NTU) |
Action Level |
51.3 |
24.9 |
11.4 |
13.4 |
35.2 |
|
AND 120% of upstream control station of
the same day |
|||||||
Limit Level |
67.6 |
33.8 |
12.3 |
14.0 |
38.4 |
||
AND 130% of upstream control station of the same day |
|||||||
SS (mg/L) |
Action Level |
54.5 |
14.6 |
11.8 |
12.6 |
39.4 |
|
AND 120% of upstream control station of the
same day |
|||||||
Limit Level |
64.9 |
17.3 |
12.4 |
12.9 |
45.5 |
||
AND 130% of upstream control station of the same day |
|||||||
Remarks: (*) The
Proposed Action Level of Dissolved
Oxygen is adopted to be used 5%-ile of
baseline data (**) The
Proposed Action & Limit Level of Dissolved
Oxygen is used 4mg/L (#) The
Proposed Limit Level of Dissolved
Oxygen is adopted to be used 1%-ile of
baseline data |
|||||||
3.8.2
Should non-compliance of the environmental
quality criteria occurs, remedial actions will be triggered according to the
Event and Action Plan which presented in Appendix G.
3.9.1
All monitoring data will be handled by the ET¡¦s in-house data recording and management system. The monitoring data
recorded in the equipment will be downloaded directly from the equipment at the
end of each monitoring day. The
downloaded monitoring data will input into a computerized database maintained
by the ET. The laboratory results
will be input directly into the computerized database and checked by personnel
other than those who input the data.
3.9.2
For monitoring parameters that require
laboratory analysis, the local laboratory shall follow the QA/QC requirements
as set out under the HOKLAS scheme for the relevant laboratory tests.
4.1.1
In the Reporting Period, construction works under the
project have been commenced in Contracts 2,
3, 5, 6, 7 and Contract SS C505. Hence, air quality monitoring was performed at
all designated locations.
4.1.2
The air quality monitoring schedule is presented
in Appendix H and the monitoring
results are summarized in the following sub-sections.
4.2.1
In the Reporting Period, a total of 147 events of 1-hour TSP and 45
events 24-hours TSP monitoring were carried out and the monitoring results are
summarized in Tables 4-1 to 4-9. The detailed 24-hour TSP monitoring
data are presented in Appendix
I and the relevant graphical plots are shown in Appendix J.
Table 4-1 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM1b
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st reading |
2nd reading |
3rd reading |
||
6-May-16 |
21
|
3-May-16 |
13:00 |
91 |
77 |
87 |
13-May-16 |
55
|
9-May-16 |
13:41 |
38 |
36 |
41 |
18-May-16 |
67
|
13-May-16 |
10:12 |
96 |
104 |
91 |
24-May-16 |
77 |
19-May-16 |
13:00 |
74 |
61 |
68 |
30-May-16 |
35 |
25-May-16 |
13:11 |
85 |
92 |
90 |
-- |
-- |
31-May-16 |
11:36 |
35 |
30 |
30 |
Average (Range) |
51 (21 ¡V 77) |
Average (Range) |
68 (30 ¡V 104) |
Table 4-2 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM2
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st
reading |
2nd
reading |
3rd
reading |
||
6-May-16 |
86
|
3-May-16 |
13:03 |
93 |
72 |
87 |
13-May-16 |
148
|
9-May-16 |
13:32 |
31 |
39 |
43 |
18-May-16 |
117
|
13-May-16 |
9:55 |
113 |
118 |
87 |
24-May-16 |
147 |
19-May-16 |
13:04 |
76 |
56 |
71 |
31-May-16 |
79 |
24-May-16 |
13:07 |
85 |
94 |
90 |
-- |
-- |
31-May-16 |
11:18 |
37 |
25 |
26 |
Average (Range) |
116 (79 ¡V 148) |
Average (Range) |
69 (25 ¡V 118) |
Table 4-3 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM3
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st
reading |
2nd
reading |
3rd
reading |
||
6-May-16 |
79
|
3-May-16 |
13:07 |
87 |
77 |
87 |
13-May-16 |
52
|
9-May-16 |
13:23 |
43 |
40 |
36 |
18-May-16 |
59
|
13-May-16 |
9:48 |
131 |
126 |
103 |
24-May-16 |
103 |
19-May-16 |
13:08 |
80 |
77 |
82 |
31-May-16 |
94 |
25-May-16 |
13:01 |
81 |
86 |
85 |
-- |
-- |
31-May-16 |
11:00 |
40 |
27 |
29 |
Average (Range) |
77 (52 ¡V 103) |
Average (Range) |
73 (27 ¡V 131) |
Table 4-4 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM4b
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st
reading |
2nd
reading |
3rd
reading |
||
4-May-16 |
94
|
5-May-16 |
10:21 |
87 |
80 |
85 |
10-May-16 |
40
|
11-May-16 |
13:00 |
81 |
98 |
83 |
16-May-16 |
67
|
17-May-16 |
10:47 |
73 |
70 |
83 |
21-May-16 |
35
|
23-May-16 |
10:30 |
89 |
75 |
83 |
27-May-16 |
25 |
28-May-16 |
10:21 |
63 |
71 |
68 |
Average (Range) |
52 (25 ¡V 94) |
Average (Range) |
79 (63 ¡V 98) |
Table 4-5 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM5a
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st
reading |
2nd
reading |
3rd
reading |
||
4-May-16 |
27
|
5-May-16 |
10:22 |
82 |
76 |
80 |
10-May-16 |
43
|
11-May-16 |
13:30 |
139 |
117 |
126 |
16-May-16 |
55
|
17-May-16 |
10:49 |
84 |
76 |
92 |
21-May-16 |
33
|
23-May-16 |
10:31 |
74 |
79 |
84 |
27-May-16 |
18 |
28-May-16 |
10:24 |
61 |
69 |
64 |
Average (Range) |
35 (18 ¡V 55) |
Average (Range) |
87 (61 ¡V 139) |
Table 4-6 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM6
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st
reading |
2nd
reading |
3rd
reading |
||
4-May-16 |
13
|
5-May-16 |
10:10 |
89 |
84 |
89 |
10-May-16 |
41
|
11-May-16 |
13:13 |
83 |
96 |
80 |
16-May-16 |
169
|
17-May-16 |
11:04 |
91 |
79 |
84 |
21-May-16 |
45
|
23-May-16 |
10:21 |
77 |
83 |
82 |
27-May-16 |
57 |
28-May-16 |
10:00 |
57 |
69 |
64 |
Average (Range) |
65 (13 ¡V 169) |
Average (Range) |
80 (57 ¡V 96) |
Table 4-7 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM7b
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st
reading |
2nd
reading |
3rd
reading |
||
4-May-16 |
107
|
5-May-16 |
9:06 |
98 |
76 |
87 |
10-May-16 |
38
|
11-May-16 |
9:30 |
91 |
102 |
95 |
16-May-16 |
100
|
17-May-16 |
9:23 |
59 |
58 |
61 |
21-May-16 |
54
|
23-May-16 |
9:15 |
92 |
100 |
84 |
27-May-16 |
40 |
28-May-16 |
9:25 |
49 |
53 |
48 |
Average (Range) |
68 (38 ¡V107) |
Average (Range) |
77 (48 ¡V 102) |
Table 4-8 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM8
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st
reading |
2nd
reading |
3rd
reading |
||
4-May-16 |
30
|
5-May-16 |
13:01 |
106 |
76 |
86 |
10-May-16 |
28
|
11-May-16 |
9:43 |
69 |
80 |
74 |
16-May-16 |
44
|
17-May-16 |
13:00 |
86 |
82 |
71 |
21-May-16 |
58 |
23-May-16 |
13:04 |
97 |
106 |
87 |
27-May-16 |
21 |
28-May-16 |
13:06 |
70 |
46 |
39 |
Average (Range) |
36 (21 ¡V 58) |
Average (Range) |
78 (39 -106) |
Table 4-9 Summary
of 24-hour and 1-hour TSP Monitoring Results ¡V AM9b
Date |
24-hour
TSP (mg/m3) |
1-hour
TSP (mg/m3) |
||||
Date |
Start Time |
1st
reading |
2nd
reading |
3rd
reading |
||
6-May-16 |
22
|
3-May-16 |
13:08 |
58 |
69 |
62 |
13-May-16 |
60
|
9-May-16 |
13:09 |
43 |
41 |
42 |
18-May-16 |
72
|
13-May-16 |
13:14 |
102 |
111 |
92 |
24-May-16 |
88 |
19-May-16 |
9:54 |
68 |
60 |
65 |
30-May-16 |
59 |
25-May-16 |
13:01 |
65 |
49 |
59 |
-- |
-- |
31-May-16 |
9:33 |
62 |
47 |
45 |
Average (Range) |
60 (22 ¡V 88) |
Average (Range) |
63 (41 ¡V 111) |
4.2.2
As shown in Tables 4-1 to 4-9, all
the 1-hour TSP and 24-hour TSP monitoring results were below the Action/Limit
Levels. No Notification of
Exceedance (NOE) was issued in this Reporting Period.
4.2.3
The meteorological data during the impact
monitoring days are summarized in Appendix
K.
5.1.1
In the Reporting Period, construction works under the
project have been commenced in Contracts 2,
3, 5, 6, 7 and Contract SS C505 and noise monitoring was performed at all
designated locations.
5.1.2
Relocation of Noise Monitoring Location NM2
to NM2a was proposed and verified by IEC on 6 May 2016 and was effective on 9
May 2016.
5.1.3
The noise monitoring schedule is presented in
Appendix H and the monitoring
results are summarized in the following sub-sections.
5.2.1
In the Reporting Period, a total of 45 event noise measurements were
carried out at the designated locations.
The sound level meter was set in 1m from the exterior of the building
façade including noise monitoring locations NM1, NM3, NM4, NM5, NM6, NM7, NM8
and NM9. Therefore, no façade
correction (+3 dB(A)) is added according to acoustical
principles and EPD guidelines. However,
free-field status were performed at NM2a and NM10 and façade correction (+3 dB(A)) has added according to the requirement in this
month. The noise monitoring results
at the designated locations are summarized in Tables 5-1 and 5-2. The detailed noise monitoring
data are presented in Appendix
I and the relevant graphical plots are shown in Appendix J.
Table 5-1 Summary of Construction Noise Monitoring Results
Construction Noise Level (Leq30min), dB(A) |
|||||
Date |
NM1 |
NM2/NM2a* |
NM8 |
NM9 |
NM10(*) |
3-May-16 |
62
|
62 |
58 |
62 |
60 |
9-May-16 |
67
|
70* |
59 |
61 |
67 |
19-May-16 |
52
|
68* |
59 |
68 |
66 |
25-May-16 |
72
|
72* |
58 |
62 |
62 |
31-May-16 |
67
|
59* |
54 |
59 |
60 |
Limit Level |
75 dB(A) |
Remarks
(*) façade
correction (+3 dB(A) is added according to acoustical
principles and EPD guidelines
Table 5-2 Summary of Construction Noise Monitoring Results
Construction Noise Level (Leq30min), dB(A) |
|
|||||||
Date |
NM3 |
NM4 |
NM5 |
NM6 |
NM7 |
|
||
5-May-16 |
63
|
64
|
54
|
60
|
64
|
|
||
11-May-16 |
64
|
61
|
61
|
65
|
65
|
|
||
17-May-16 |
63
|
65
|
61
|
51
|
61
|
|
||
23-May-16 |
60
|
62
|
57
|
63
|
64
|
|
||
Limit Level |
75 dB(A) |
|
|
54 |
5.2.2
As shown in Tables
5-1 and 5-2, the noise level measured at all designated monitoring
locations were below 75dB(A). Furthermore,
there was no noise complaints (Action Level exceedance) received by the RE,
CEDD, Architect/AR/ and the Contractors in the Reporting Period. Therefore, no
Action or Limit Level exceedance was triggered and no corrective action was required.
6.1.1
In the Reporting Period, construction works under the
project has been commenced in Contracts 2,
3, 5, 6, 7 and Contract SS C505 and water quality monitoring was performed at all
designated locations. The water
quality monitoring schedule is presented in Appendix H. The
monitoring results are summarized in the following sub-sections.
6.2.1
In the Reporting Period, a total of thirteen
(13) sampling days was scheduled to carry out for all designated locations with
their control stations. Except
monitoring station WM4, total twenty-seven (27) Limit Level (LL) of water
quality exceedances were respectively recorded at the monitoring stations WM1,
WM2A, WM2B and WM3. According to ¡§Event
and Action Plan¡¨ stipulation, additional water quality monitoring days respectively
were conducted two days for WM1 and its control station, five days for WM2A and
its control station, & four days for WM3 and its control stations.
6.2.2
The key monitoring parameters including Dissolved Oxygen, Turbidity and Suspended
Solids are summarized in Tables 6-1 to 6-5. Breaches of water quality monitoring
criteria are shown in Table 6-6. Detailed monitoring database including
in-situ measurements and laboratory analysis data are shown in Appendix I and the relevant
graphical plot are shown in Appendix
J.
Table 6-1 Water
Quality Monitoring Results Associated of Contracts 2 and 3
Date |
Dissolved Oxygen (mg/L) |
Turbidity (NTU) |
Suspended Solids (mg/L) |
||||||
WM4 |
WM4-CA |
WM4-CB |
WM4 |
WM4-CA |
WM4-CB |
WM4 |
WM4-CA |
WM4-CB |
|
3-May-16 |
6.9 |
7.7 |
5.7 |
10.0 |
7.7 |
7.7 |
10.5 |
9.5 |
12.5 |
5-May-16 |
7.3 |
7.8 |
6.3 |
13.1 |
5.5 |
7.5 |
14.5 |
6.5 |
8.0 |
7-May-16 |
7.6 |
7.8 |
6.8 |
8.7 |
5.7 |
9.2 |
14.0 |
6.5 |
20.0 |
9-May-16 |
7.2 |
7.8 |
6.6 |
8.0 |
5.8 |
16.5 |
10.0 |
5.5 |
27.5 |
11-May-16 |
7.4 |
7.8 |
7.1 |
28.7 |
11.4 |
13.9 |
7.5 |
8.0 |
9.5 |
13-May-16 |
8.1 |
8.1 |
7.3 |
7.9 |
7.3 |
7.0 |
6.0 |
5.0 |
8.0 |
17-May-16 |
8.3 |
8.3 |
7.5 |
8.3 |
185.5 |
6.8 |
9.5 |
167.0 |
10.5 |
19-May-16 |
8.1 |
8.0 |
8.3 |
17.4 |
8.1 |
6.5 |
16.5 |
9.0 |
7.5 |
21-May-16 |
7.6 |
7.9 |
7.3 |
35.1 |
27.0 |
28.4 |
39.0 |
26.5 |
30.0 |
23-May-16 |
7.5 |
7.6 |
7.1 |
11.0 |
761.0 |
18.0 |
11.0 |
435.5 |
11.0 |
25-May-16 |
7.9 |
7.7 |
6.8 |
15.1 |
8.9 |
12.9 |
15.5 |
9.5 |
22.0 |
27-May-16 |
6.7 |
7.4 |
6.2 |
118.5 |
107.5 |
71.2 |
190.0 |
163.5 |
91.5 |
31-May-16 |
7.0 |
7.2 |
6.5 |
15.7 |
10.4 |
8.7 |
18.0 |
12.0 |
14.0 |
Table 6-2 Water
Quality Monitoring Results Associated of Contracts 5, 6 and SS C505
Date |
Dissolved Oxygen (mg/L) |
Turbidity (NTU) |
Suspended Solids (mg/L) |
|||
WM1 |
WM1- Control |
WM1 |
WM1- Control |
WM1 |
WM1- Control |
|
3-May-16 |
7.6 |
7.8 |
40.2 |
9.3 |
53.5 |
8.0 |
5-May-16 |
6.9 |
7.3 |
23.0 |
9.1 |
39.0 |
8.0 |
7-May-16 |
7.5 |
7.8 |
19.2 |
9.8 |
29.5 |
7.5 |
9-May-16 |
7.0 |
8.0 |
31.4 |
15.2 |
40.0 |
9.5 |
11-May-16 |
7.9 |
7.7 |
20.4 |
9.9 |
30.0 |
8.5 |
13-May-16 |
7.7 |
8.3 |
42.4 |
9.2 |
51.0 |
8.0 |
17-May-16 |
7.3 |
8.1 |
69.0 |
11.1 |
70.5 |
7.5 |
#18-May-16 |
-- |
-- |
35.0 |
25.1 |
45.0 |
39.0 |
19-May-16 |
7.4 |
8.2 |
70.6 |
25.2 |
127.0 |
11.5 |
#20-May-16 |
-- |
-- |
12.4 |
8.7 |
15.0 |
3.0 |
21-May-16 |
7.6 |
8.0 |
46.9 |
41.6 |
42.5 |
37.5 |
23-May-16 |
7.3 |
7.5 |
19.0 |
12.7 |
22.5 |
9.5 |
25-May-16 |
7.4 |
7.8 |
12.0 |
8.9 |
9.5 |
6.5 |
27-May-16 |
6.5 |
7.3 |
35.4 |
10.5 |
50.5 |
9.0 |
31-May-16 |
7.4 |
7.0 |
16.2 |
10.6 |
21.5 |
11.5 |
Remarks: |
bold with underline indicated Limit
Level exceedance |
# Additional water quality monitoring at the exceeded
location(s) due to two consecutive monitoring days indicated Limit Level exceedance. |
Table 6-3 Water
Quality Monitoring Results Associated only Contract 6
Date |
Dissolved Oxygen (mg/L) |
Turbidity (NTU) |
Suspended Solids (mg/L) |
|||||||||
WM2A |
WM2A- C |
WM2B |
WM2B- C |
WM2A |
WM2A- C |
WM2B |
WM2B- C |
WM2A |
WM2A- C |
WM2B |
WM2B- C |
|
3-May-16 |
7.7 |
7.8 |
7.9 |
7.8 |
19.1 |
5.1 |
8.4 |
5.3 |
13.5 |
<2 |
3 |
<2 |
5-May-16 |
7.6 |
7.9 |
8.0 |
7.9 |
11.5 |
7.5 |
10.6 |
3.0 |
9.5 |
6 |
7.5 |
5 |
7-May-16 |
7.4 |
7.9 |
7.4 |
7.9 |
4.9 |
3.5 |
23.0 |
5.7 |
4.5 |
2 |
3.5 |
4.0 |
9-May-16 |
7.5 |
6.6 |
8.3 |
7.8 |
14.1 |
8.9 |
4.7 |
2.8 |
12 |
20.5 |
2 |
4.5 |
11-May-16 |
7.7 |
8.1 |
7.9 |
6.4 |
186.0 |
12.1 |
10.6 |
4.5 |
206.5 |
6 |
11.2 |
3 |
#12-May-16 |
-- |
-- |
-- |
-- |
21.4 |
4.8 |
-- |
-- |
14.1 |
3 |
-- |
-- |
13-May-16 |
7.8 |
7.9 |
8.4 |
6.7 |
22.5 |
4.1 |
2.3 |
2.8 |
9.0 |
<2 |
<2 |
<2 |
17-May-16 |
8.0 |
7.8 |
7.0 |
8.4 |
58.6 |
5.1 |
4.1 |
3.6 |
65.5 |
<2 |
4 |
7.5 |
#18-May-16 |
-- |
-- |
-- |
-- |
21.8 |
5.7 |
-- |
-- |
14.0 |
6 |
-- |
-- |
19-May-16 |
7.8 |
7.8 |
8.2 |
7.1 |
22.9 |
4.7 |
5.0 |
3.3 |
13.5 |
4.5 |
<2 |
3 |
21-May-16 |
8.0 |
8.1 |
7.9 |
7.0 |
59.2 |
10.6 |
99.9 |
6.0 |
81.5 |
8.5 |
152.0 |
7 |
23-May-16 |
* |
* |
8.3 |
7.1 |
* |
* |
11.0 |
4.9 |
* |
* |
11.2 |
<2 |
#24-May-16 |
-- |
-- |
-- |
-- |
* |
* |
7.2 |
6.6 |
* |
* |
7 |
8 |
25-May-16 |
7.2 |
7.8 |
7.9 |
7.3 |
24.1 |
5.4 |
3.0 |
2.4 |
14.1 |
5 |
4.5 |
4 |
27-May-16 |
7.3 |
7.6 |
8.2 |
7.0 |
273.0 |
6.7 |
5.8 |
3.3 |
189.5 |
4.5 |
<2 |
2 |
#28-May-16 |
-- |
-- |
-- |
-- |
70.7 |
11.8 |
-- |
-- |
94.0 |
<2 |
-- |
-- |
#30-May-16 |
7.4 |
7.7 |
-- |
-- |
53.3 |
3.7 |
-- |
-- |
76.0 |
<2 |
-- |
-- |
31-May-16 |
7.4 |
7.7 |
7.4 |
6.9 |
68.1 |
3.5 |
4.6 |
2.9 |
84.5 |
<2 |
5 |
<2 |
Remarks: |
bold with underline indicated Limit
Level exceedance |
# Additional water quality monitoring at the exceeded
location(s) due to two consecutive monitoring days indicated Limit Level exceedance. *Unsuccessful
to undertake the monitoring |
Table 6-4 Water
Quality Monitoring Results Associated Contracts 2 and 6
Date |
Dissolved Oxygen (mg/L) |
Turbidity (NTU) |
Suspended Solids (mg/L) |
|||
WM3 |
WM3- Control |
WM3 |
WM3- Control |
WM3 |
WM3- Control |
|
3-May-16 |
7.6 |
7.0 |
11.7 |
6.0 |
8.5 |
8.0 |
5-May-16 |
7.1 |
6.8 |
23.5 |
28.5 |
45.5 |
70.5 |
7-May-16 |
7.5 |
7.2 |
7.4 |
39.1 |
10.5 |
103.5 |
9-May-16 |
7.2 |
6.5 |
20.4 |
10.2 |
31.0 |
26.5 |
10-May-16 |
-- |
-- |
63.1 |
45.1 |
69.0 |
70.0 |
11-May-16 |
6.9 |
7.0 |
5.7 |
3.4 |
12.1 |
11.0 |
12-May-16 |
-- |
-- |
77.8 |
5.4 |
74.2 |
7.0 |
13-May-16 |
7.5 |
5.8 |
12.8 |
5.2 |
12.5 |
6.0 |
16-May-16 |
-- |
-- |
13.0 |
4.4 |
12.0 |
3.0 |
17-May-16 |
7.2 |
7.5 |
3.8 |
4.9 |
<2 |
5.5 |
19-May-16 |
8.0 |
7.5 |
3.1 |
13.2 |
4.0 |
104.0 |
21-May-16 |
7.4 |
7.5 |
57.7 |
28.5 |
56.0 |
36.0 |
23-May-16 |
7.2 |
7.1 |
12.0 |
13.0 |
11.5 |
22.5 |
24-May-16 |
-- |
-- |
11.4 |
4.2 |
12.0 |
5.0 |
25-May-16 |
7.6 |
7.5 |
12.4 |
6.4 |
12.0 |
13.5 |
27-May-16 |
6.9 |
7.2 |
13.2 |
6.7 |
18.5 |
77.0 |
31-May-16 |
6.8 |
6.5 |
12.2 |
5.9 |
12.5 |
8 |
Remarks: |
bold with underline indicated Limit
Level exceedance |
# Additional water quality monitoring at the exceeded
location(s) due to two consecutive monitoring days indicated Limit Level exceedance. |
Table 6-5 Breaches
of Water Quality Monitoring Criteria in Reporting Period
Location |
Dissolved Oxygen |
Turbidity |
Suspended Solids |
Total Exceedance |
||||
Action |
Limit |
Action |
Limit |
Action |
Limit |
Action |
Limit |
|
WM1 |
0 |
0 |
0 |
2 |
0 |
2 |
0 |
4 |
WM2A |
0 |
0 |
0 |
7 |
0 |
7 |
0 |
14 |
WM2B |
0 |
0 |
0 |
2 |
0 |
1 |
0 |
3 |
WM3 |
0 |
0 |
0 |
4 |
0 |
2 |
0 |
6 |
WM4 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
No of Exceedance |
0 |
0 |
0 |
15 |
0 |
12 |
0 |
27 |
6.2.3
In this Reporting Period, a total of twenty-five
(27) Limit Level (LL) exceedances, namely fifteen
(15) LL exceedances
of turbidity and twelve(12) LL exceedances of Suspended
Solids were recorded for the Project and they are summarized in Table
6-5.
6.2.4
NOE was issued to relevant parties upon
confirmation of the monitoring result. The cause of exceedance is summarized in Table
6-6 accordance to investigation findings and the detailed investigation
reports for the exceedances are attached in Appendix N.
Table 6-6 Summary
of Water Quality Exceedance in the Reporting Period
Date of Exceedance |
Location |
Exceeded Parameter |
Cause of Water Quality Exceedance |
17th, 19th May 2016 |
WM1 (C5, C6 and SS C505) |
NTU & SS |
According
to the field photos, aaccumulation of rubbish were
observed at the bar screen of the box culvert near WM1 on 17 & 19 May
2016. Water flow near WM1 was therefore retarded and turbid water cumulated
at WM1. It is considered that the exceedances were unlikely due to the
Contract 5, 6 and SSC505. |
11th, 17th, 21th, 27th,
28th ,30th, 31th May 2016 |
WM2A (C6) |
NTU and/or SS |
According
to the site information provided from the CCKJV, construction activities
carried out on 11th, 17th, 21th, 27th,
28th, 30th, 31th May 2016 at
Bridge D (upstream of WM2A) were mainly piling works. Wastewater treatment
facilities including one AquaSed and three series
of sedimentation tank have been installed for piling work.
On 11th
May 2016, As reported by CCKJV, a worker incorrectly connected
inlet pipe which carried wastewater collected from the site to the tank which
received effluent from the AquaSed(SH-15).Then, the wastewater was discharged into the river
through the outlet pipe of the tank which received effluent of the AquaSed (SH-15). It is considered that the
exceedance was related to the Contract.
On 17th May 2016, it was observed that
water at upstream of WM2A was visually clear though some silt was cumulated
at the river bed. As reported by CCKJV, there was no discharge of effluent from AquaSed (SH-15) and no discharge of effluent to the open
channel on 17 May 2016. And the AquaSed was under
maintenance on that day. Also, during joint site weekly
inspection on 19 May 2016 with RE, ET, IEC and Contractor, no adverse water
impact was observed on upstream of WM2A. Thus, it is considered
that the exceedance on WM2A is unlikely related to the construction
activities of the Contract.
According
to the Daily Extract of Meteorological Observations from the Hong Kong
Observatory, heavy rainfall was recorded on 21 May 2016. Water flow rate
increased under the heavy rain and the sediment at the river bed was stirred
up, resulting in turbid water. Thus, it is considered that the exceedance on 21
May 2016 was due to the heavy rain and unlikely due to the construction
activities of the Contract.
During joint site inspection with RE, IEC, ET and
Contractor on 2 June 2016, it was observed that unknown source of turbid
water was seeping out from the river bed at upstream of WM2A continuously,
turning the water in the river turbid. In our investigation, it is considered
that the exceedances at WM2A on 27th, 28th, 30th,
31th May were related to the unknown source of turbid water from
the river bed. |
7th
, 21th May 2016 |
WM2B (C6) |
NTU and/or SS |
According to the site information
as provided by C6, construction activities carried out at North Portal
(upstream of WM2B) in the reporting period was included the piling and slope
works. Daily self-monitoring has
conducted by the Contractor to ensure effluent is fully compliance with the
TM criteria. On 7th
May 2016, it was observed that the water flowing in
the channel and the water samples collected at WM2B was visually clear.
Besides, no surface runoff was observed. As advised
by the Contractor, self-monitoring for the treated water in the wastewater
treatment facilities was conducted and the effluent was visually clear on 7
May 2016. During the joint site inspection
with ET, RE, IEC and Contractor on 12 May 2016, it was observed that the
water in the upper stream of WM2B was visually clear. No adverse water impact
was observed. Also, no site surface runoff was observed. It is considered
that the exceedance on 7 May 2016 is not related to the construction
activities of Contract 6.
According to the
Daily Extract of Meteorological Observations from the Hong Kong Observatory,
heavy rainfall was recorded on 21 May 2016. The flow rate of the river
increased, sediment and cumulated silt at the river bed was stirred up during
rain, resulting in turbid water in river channel. Apart from the disturbance
of cumulated silt at the river bed during rain, it was observed that trails
of muddy runoff from the public road surface into the existing channel under
the rain. Thus, it is considered that the exceedance on 21 May 2016 is due to
the heavy rainfall. |
9th, 10th, 12th, 21th
May 2016 |
WM3 (C2 and C6) |
NTU and/or SS |
According to the site information respectively came from the Contractors
of C6, major construction activities carried out on 9th, 10th,
12th, 21th May 2016 at upstream of WM3 was bored pile
works. Contractor has carried
out joint site inspection with EPD on 9 May 2016, and the wastewater
treatment facility (SH-8) was inspected. As advised by the Contractor, no
adverse comment was given by EPD. It was observed that the effluent that discharged in
the temporary channel which connected to the discharge nullah
and Ng Tung River was visually clear. Besides,
the water at the upstream of WM3 where the work area of C6 located was
visually clear. Thus, it is considered that the exceedance on 9 May is
unlikely due to the construction activities of the Contract 6. According to the Daily Extract of Meteorological Observations from the
Hong Kong Observatory, heavy rainfall was recorded on 10 May 2016. The flow
rate of the river increased, sediment and cumulated silt at the river bed was
stirred up during rain, resulting in turbid water in river channel. It was
observed that the water at WM3-C was turbid and the stirred up sediment may
follow the flow direction to downstream at WM3 that create a cumulative
effect on water turbidity. Thus, it is considered that the exceedance on 10
May 2016 was due to the heavy rainfall. During joint site inspection with RE, IEC and Contractor on 12 May
2016, the treated effluent discharged into temporary channel which connected
to discharge nullah and Ng Tung River was
inspected. It was observed that the effluent quality was visually clear.
Also, no adverse water impact was observed at the upstream of the WM3 where
the work area of C6 located. In our investigation, it is considered that the
exceedance on 12 May is unlikely related to the construction activities of
Contract 6. According to the Daily Extract of Meteorological Observations from the
Hong Kong Observatory, heavy rainfall was recorded on 21 May 2016. The flow
rate of the river increased, sediment and cumulated silt at the river bed was
stirred up during rain, resulting in turbid water in river channel. Besides,
under heavy rain, surface runoff from the nearby soil slopes into the river
may make the water become more turbid. Thus, it is considered that the
exceedance on 21 May 2016 was related to the heavy rainfall. According to the site information respectively came from the Contractors
of C2, major construction activities carried out on 9th, 10th,
12th, 21th May 2016 at upstream of WM3 was rebar fixing
and concreting at admin building for C2. According to the site photos from monitoring team on
9 May 2016, it was observed that there was no adverse water impact at the
discharge nullah outside the site boundary. During weekly joint site inspection on 13 May 2016
with RE, IEC and Contractor, it was observed that building foundation works
was carried out at Admin Building and the site area was mostly hard paved.
Temporary drainage system and water treatment system was properly
implemented. The discharge nullah outside the site
boundary was inspected and no adverse water impact was observed. Thus, it is
considered that the exceedances on 9 and 12 May were unlikely related to the
construction activities under Contract 2. According to the Daily Extract of Meteorological
Observations from the Hong Kong Observatory, heavy rainfall was recorded on
10 May 2016. Water flow rate increased under the heavy rain and the sediment
at the river bed was stirred up, resulting in turbid water. Thus, it is
considered that the exceedance of turbidity on 10 May 2016 was due to the
heavy rain and unlikely due to the construction activities of Contract 2. According to the Daily Extract of Meteorological Observations from the
Hong Kong Observatory, heavy rainfall was recorded on 21 May 2016. The flow
rate of the river increased, sediment and cumulated silt at the river bed was
stirred up during rain, resulting in turbid water in river channel. Besides,
under heavy rain, surface runoff from the nearby soil slopes into the river
may make the water become more turbid. Thus, it is considered that the exceedance on 21 May 2016 was related
to the heavy rainfall. |
6.2.5
Five investigation reports for the
exceedances which were under review by IEC in April 2016 are completed and
cause of water quality exceedances were presented below.
Table 6-7 Summary
of Water Quality Exceedance which were under review by IEC in April 2016
Date of Exceedance |
Location |
Exceeded Parameter |
Cause of Water Quality Exceedance |
20th,21th,
22th April 2016 |
WM3 (C6 & C2) |
NTU and/or SS |
According to the site
information provided from the Contractor of C6 (CCKJV), the main construction
activities carried out on 20, 21, 22 April 2016 at upstream of WM3 was bored
pile works. Upon exceedance recorded on 20 April 2016 and during
site inspection by RE, ET, IEC and Contractor on 21 April 2016, the effluent
of the AquaSed (SH-8) was found to be turbid. As
reported by CCKJV, the worker forgot to fill in the flocculent of the AquaSed(SH-8),
resulting in turbid effluent. CCKJV had immediately replenished the
flocculent and the effluent observed was clear. In our investigation, it is
considered that the exceedances on 20, 21 April 2016 were related to the
Contract. In order to enhance onsite management, CCKJV is advised to
implement daily monitoring record on all AquaSeds
under Contract 6. CCKJV has agreed to follow the advice and the preparation
is in progress. According to the Daily Extract of Meteorological
Observations from the Hong Kong Observatory, heavy rainfall was recorded on
22 April 2016. The flow rate of the river increased, sediment and cumulated
silt at the river bed was stirred up during rain, resulting in slightly
turbid water in river channel. It is considered that the exceedance on 22
April 2016 was unlikely due to the construction activities of the Contract. According to the site
information provided from the Contractor of C2 (DHK), construction activities
carried out from 20 to 22 April 2016 at admin building was building
foundation works (rebar fixing and concreting) and no discharge was made. As advised by the Contractor, building
foundation works was carried out at Admin
Building and the site area was mostly hard paved. Temporary drainage system
and water treatment system was properly implemented. From the photos taken on
20 and 21 April 2016, no adverse water impact was observed at the discharge nullah outside the site boundary. Thus, it is considered
that the exceedances on 20 and 21 April are unlikely related to the
construction activities of C2. According to the Daily Extract of
Meteorological Observations from the Hong Kong Observatory, heavy rainfall
was recorded on 22 April 2016. During rain, the flow rate of the river
increased, sediment and cumulated silt at the river bed was stirred up,
resulting in slightly turbid water in river channel on 22 April 2016. It is
considered that the exceedance on 22 April is due to the heavy rainfall. |
11th,
14th, 20th 22th, 23th, 25th,
26th April 2016 |
WM2B (C6) |
NTU and/or SS |
According to the site information
as provided by C6, construction activities carried out at North Portal
(upstream of WM2B) in the reporting period was included the piling and slope
works. Daily self-monitoring has
conducted by the Contractor to ensure effluent is fully compliance with the
TM criteria.
According
to the site record from the monitoring team on 11 April 2016, it was observed
that the water flowing in the channel and the water samples collected at
WM2B was visually clear. Since the water sampling
was carried out at the bridge over the drainage channel at shallow water with
water depth at around 0.02m, the water sample could not avoid inclusion of
the loose sediment and debris. It is considered that the exceedance was
unlikely related to the construction activities of the Contract.
According
to the site record from the monitoring team on 14 April 2016, very shallow
water was measured at WM2B and the water depth was around 0.02m. Also, water
sampling was conducted under raining. Water flowing in the open channel was
slightly turbid due to stir up of sediment and cumulated silt at the river
bed. Besides, it was observed that trails of muddy runoff from the public road surface
into the existing channel on 14 April 2016. It is
considered that the exceedances were likely related to cumulated silt at the
river bed and muddy runoff from the public road surface. According to the site record from the monitoring
team on 20 April 2016, very shallow water was measured at WM2B and the water
depth was around 0.01-0.02m. It was observed that the water flowing in
the channel and the water samples collected at WM2B was visually clear. Since the water sampling was carried out at the bridge
over the drainage channel at shallow water, the water sample could not avoid
inclusion of the loose sediment and debris. Thus, it is considered that the
exceedance was unlikely related to the construction activities of the
Contract. According to the site information
provided from the CCKJV, construction activities carried out on 22, 23, 25,
26 April 2016 at North Portal (upstream of WM2B) were bored piling and slope
work. Also, construction of site access road along with a temporary drain
ditch were carried out.
According
to the Daily Extract of Meteorological Observations from the Hong Kong
Observatory, heavy rainfall was recorded on 22 and 25 April 2016. Along the
construction of the site access road and temporary drain ditch, runoff was generated from loose surface under heavy
rain. Thus, it is considered that the exceedances were related to
runoff from the loose surface.According to the site monitoring figures, there was no exceedances
triggered on 27 April after the completion of the ditch. It is considered
that the ditch had effectively collected the runoff due to the heavy rain.
Also, from the site photos and during joint site inspection with RE, IEC, ET
and Contractor on 5 May 2016, no runoff was observed after the completion of
the drain ditch. |
7.1.1
Waste management was carried out in
accordance with the Waste Management Plan (WMP) for each contract.
7.2.1
All types of waste arising from the
construction work are classified into the following:
l Construction
& Demolition (C&D) Material;
l Chemical
Waste;
l General
Refuse; and
l Excavated
Soil.
7.2.2
The quantities of waste for disposal in this
Reporting Period are summarized in Tables 7-1 and 7-2 and the Monthly
Summary Waste Flow Table is shown in Appendix L. Whenever possible, materials were reused
on-site as far as practicable.
Table 7-1 Summary
of Quantities of Inert C&D Materials for the Project
Type of Waste |
Contract 2 |
Contract 3 |
Contract 5 |
Contract 6 |
Contract 7 |
Contract SS C505 |
Total Quantity |
||||||
Qty. |
Disposal location |
Qty. |
Disposal location |
Qty. |
Disposal location |
Qty. |
Disposal location |
Qty. |
Disposal location |
Qty. |
Disposal location |
||
C&D Materials (Inert) (in '000m3) |
77.5386 |
-- |
0.488 |
-- |
0 |
-- |
51.115 |
-- |
0.505 |
-- |
0.013 |
-- |
129.6596 |
Reused in this Contract (Inert) (in '000 m3) |
0.1268 |
-- |
0.013 |
-- |
0 |
-- |
3.229 |
-- |
0 |
-- |
1.074 |
-- |
4.4428 |
Reused in other Contracts/ Projects (Inert) (in '000 m3) |
38.9050 |
C6/ NENT# &
other projects approved by the ER |
0 |
-- |
0 |
-- |
17.469 |
C5 &
other projects approved by the ER |
0 |
-- |
0 |
-- |
56.374 |
Disposal as Public Fill (Inert) (in '000 m3) |
38.5068 |
Tuen Mun 38 |
0.475 |
Tuen Mun 38 |
0 |
-- |
30.417 |
Tuen Mun 38 |
0.505 |
Tuen Mun 38 |
0.013 |
TKO 137 |
69.9168 |
Remark #: The
C&D materials were delivered to NENT for reuse by laying cover of the
landfilling area.
Table 7-2 Summary
of Quantities of C&D Wastes for the Project
Type of Waste |
Contract 2 |
Contract 3 |
Contract 5 |
Contract 6 |
Contract 7 |
Contract SS C505 |
Total Quantity |
||||||
Qty. |
Disposal location |
Qty. |
Disposal location |
Qty. |
Disposal location |
Qty. |
Disposal location |
Qty. |
Disposal location |
Qty. |
Disposal location |
||
Recycled Metal (¡¥000kg) # |
44.8 |
- |
0 |
- |
0 |
-- |
0 |
-- |
0 |
-- |
1587.5818 |
Licensed collector |
1632.382 |
Recycled
Paper / Cardboard Packing (¡¥000kg) # |
0.4 |
- |
0 |
- |
0 |
-- |
0.221 |
Licensed collector |
0 |
-- |
0 |
-- |
0.621 |
Recycled Plastic (¡¥000kg) # |
0 |
-- |
0 |
- |
0 |
-- |
0 |
-- |
0 |
-- |
0 |
-- |
0 |
Chemical Wastes (¡¥000kg) # |
2.728 |
Licensed collector |
0 |
- |
0 |
-- |
0 |
-- |
0 |
-- |
0 |
-- |
2.728 |
General Refuses (¡¥000m3) |
0.1246 |
NENT |
0.105 |
NENT |
0.015 |
NENT |
0.079 |
NENT |
0 |
-- |
0.156 |
NENT |
0.4796 |
Remark #: Unit of recycled metal, recycled paper/ cardboard packing, recycled
plastic and chemical waste for Contract 3 was in (¡¥000m3).
8.1.1
According to the approved EM&A Manual, the
environmental site inspection shall be formulation by ET Leader. Weekly environmental site inspections should
carry out to confirm the environmental performance.
Contract 2
8.2.1
In the Reporting Period, joint site
inspection for Contract 2 to evaluate the site environmental performance has
been carried out by the RE, IEC, ET and the Contractor on
6, 13, 20, 27 May 2016. No
non-compliance was noted.
8.2.2
The findings / deficiencies of Contract
2 that observed during the weekly site inspection are listed in Table
8-1.
Table 8-1 Site
Observations for Contract 2
Date |
Findings / Deficiencies |
Follow-Up Status |
6 May 2016 |
NRMM label is missing for the
truck without TD registration was observed. The contractor should display the
label properly before the truck is used. (North Portal) Turbidity water discharged into
the water course was observed. The contractor explained that discharge of
turbidity water is due to the wrong operating for the de-silting facilities.
The contractor was strongly request to provide proper training for the worker
to avoid the incident. (Admin Building) The contractor was reminded to provide proper
maintenance for the discharge water treatment facilities and make sure all
discharge water should comply with the discharge license requirement. |
NRMM label is displayed. Trainings was provided and no
muddy water discharge. Not required for reminder. |
13 May 2016 |
Soil and debris cumulated inside the temporary
drainage system should be clean to maintain the discharge system in good
condition. |
Not required for reminder. |
20 May 2016 |
No
adverse environmental issue was observed. |
NA |
27 May 2016 |
No
adverse environmental issue was observed. |
NA |
Contract 3
8.2.3
In the Reporting Period, joint site
inspection for Contract 3 to evaluate the site environmental performance has
been carried out by the RE, IEC, ET and the Contractor on 5, 9, 18, 23, 30 May 2016.
No non-compliance was noted.
8.2.4
The findings / deficiencies of Contract
3 that observed during the weekly site inspection are listed in Table
8-2.
Table 8-2 Site
Observations for Contract 3
Date |
Findings / Deficiencies |
Follow-Up Status |
5 May 2016 |
Muddy trail was observed at site exit SA18. The
Contractor should ensure no muddy trail present at the site exit and public
access road to reduce dust generation. |
No muddy trail was observed at site SA18 and
regular cleaning was performed. |
9 May 2016 |
No
adverse environmental issue was observed. |
NA |
18 May 2016 |
Contractor
was reminded to remove the stagnant water accumulated in the lifting eyes and
to fill the lifting eyes with sand. (Location: FH9) |
Not
required for reminder. |
23 May 2016 |
For those places commonly with stagnant water, the
Contractor is reminded to remove stagnant water and provide record for
mosquito control. (Portal AB8)
Garbage bucket should be cleaned up when it is
full. Also, the Contractor is reminded to cover it up with tarpaulin. (Portal
AB8) |
Not
required for reminder. Not
required for reminder. |
30 May
2016 |
Dark smoke emission from generator at Bridge J was
observed. The Contractor should carry out maintenance work to avoid air
impact. |
Maintenance
work was carried out and no dark smoke emission from the generator was
observed. |
Contract 5
8.2.5
In the Reporting Period, joint site
inspection for Contract 5 to evaluate the site environmental performance has
been carried out by the RE, IEC, ET and the Contractor on 3, 10, 17, 24, 31 May 2016.
No non-compliance was noted.
8.2.6
The findings / deficiencies of Contract
5 that observed during the weekly site inspection are listed in Table
8-3.
Table 8-3 Site
Observations for Contract 5
Date |
||
3 May 2016 |
No
adverse environmental issue was observed. |
NA |
10 May 2016 |
No
adverse environmental issue was observed. |
NA |
17 May 2016 |
No
adverse environmental issue was observed. |
NA |
24 May 2016 |
The Contractor should improve the housekeeping and
waste sorting at the site area in LMH Road. |
Construction wastes were removed from site and
housekeeping was improved. |
31 May 2016 |
No
adverse environmental issue was observed. |
NA |
Contract 6
8.2.7
In the Reporting Period, joint site
inspection for Contract 6 to evaluate the site environmental performance has
been carried out by the RE, IEC, ET and the Contractor on 5, 12, 19, 26 May 2016.
No non-compliance was noted.
8.2.8
The findings / deficiencies of Contract
6 that observed during the weekly site inspection are listed in Table
8-4.
Table 8-4 Site
Observations for Contract 6
Date |
Findings / Deficiencies |
Follow-Up Status |
5 May 2016 |
The Contractor was reminded to remove stagnant water on site
after rainy days (Especially at Ping Yeung Interchange). |
NA |
12 May 2016 |
The Contractor was reminded to modify the
discharge outfall point for treated water at the AquaSed
(SH-15); and it was recommended to provide a diagram for wastewater treatment
process. It was reminded that stagnant water accumulated in
drip tray should be removed as chemical waste especially after rain. |
Not required for reminder Not required for reminder |
19 May 2016 |
Exposed slope was observed at Bridge D site area,
the Contractor should cover the slope with tarpaulin to minimize the dust generation. In bridge D, the Contractor should ensure that
haul roads are damp and regular water spraying is implemented. |
Exposed surface has been covered up with tarpaulin
sheet. Water spraying has been enhanced. |
26 May 2016 |
Dark smoke emission from a power pack in Bridge D
was observed, the Contractor should provide plant maintenance for the power
pack to prevent smoke emission. Stagnant water accumulated in a drip tray of a
power pack in Bridge D was found, stagnant water should be cleaned up as chemical
waste and to avoid mosquito breeding. It was reminded that water spraying should be
provided for rock breaking activity to minimize dust generation |
Exhaust
filer of the power pack was replaced and no dark smoke emission was observed. Stagnant
water in drip tray was removed. Not required for reminder. |
Contract SS C505
8.2.9
In the Reporting Period, joint site
inspection for Contract SS C505 to evaluate the site environmental performance
has been carried out by the RE, IEC, ET and the Contractor on 4, 11, 18, 25 May 2016. No
non-compliance was noted.
8.2.10
The findings / deficiencies of Contract
SS C505 that observed during the weekly site inspection are listed in Table
8-5.
Table 8-5 Site
Observations for Contract SS C505
Date |
Findings / Deficiencies |
Follow-Up Status |
4 May 2016 |
The Contractor was reminded to remove the stagnant
water on site after rainy days. |
Not
required for reminder. |
11 May 2016 |
Muddy
sediment was observed at drainage channel near training center. The
Contractor should clear the sediment to ensure the channel function properly. Chemical
container without drip tray was observed. The Contractor should provide drip
tray for the container to avoid land contamination. |
Muddy
sediment was removed from the drainage channel near training center. The
chemical container without drip tray was removed from site. |
18 May 2016 |
Water spraying frequency should be increased for
the haul road to reduce dust impact. Proper designated area should be assigned for
storage chemic |
Not
required for reminder. Not
required for reminder. |
25 May 2016 |
Stagnant
water was observed at Bridge 5. The Contractor should remove the stagnant
water to prevent mosquito breeding. |
Stagnant water at Bridge 5 was removed. |
Contract 7
8.2.11
In the Reporting Period, joint site
inspection for Contract 7 to evaluate the site environmental performance has
been carried out by the RE, IEC, ET and the Contractor on 3, 10, 17, 24, 31 May 2016.
No non-compliance was noted.
8.2.12
The findings / deficiencies of Contract
7 that observed during the weekly site inspection are listed in Table
8-6.
Table 8-6 Site
Observations for Contract 7
Date |
Findings / Deficiencies |
Follow-Up Status |
3 May 2016 |
Stagnant water accumulated in drip tray was
observed, the Contractor should clean away the stagnant water. Fallen chemical container without drip tray was
found, the Contractor should provide drip tray for all chemical container. |
The stagnant water was removed from the drip tray. The chemical container was
removed from site. |
10 May 2016 |
No
adverse environmental issue was
observed. |
NA |
17 May 2016 |
No
adverse environmental issue was
observed. |
NA |
24 May 2016 |
Smoke emission from an air compressor was
observed, the Contractor should provide plant maintenance to avoid smoke
emission. |
Maintenance
of the air compressor was carried out. |
31 May 2016 |
No
adverse environmental issue was
observed. |
NA |
8.2.13
Overall, general housekeeping such as daily
site tidiness and cleanliness should be
maintained for all Contracts. Furthermore, the Contractors were
reminded to implement Waste Management Plan of the Project.
Other Contracts
8.2.14
Since Contract 4 has not yet commenced, no
site inspection were performed.
9.1.1
In
the Reporting Period, no summons and prosecution under the EM&A Programme was lodged for Contracts 2, 3, 5, 6, 7 and Contract
SS C505. However, a total of three (3) documented
environmental
complaints were received
in the reporting month regarding to noise, dust and water issues. All complaints are being investigated. Three
(3) documented environmental complaint investigations which were received in April 2016
were completed
and the investigation reports were reviewed by IEC. The detail of the
complaints and the investigation results are presented below. Two (2)
documented environmental complaints received in April 2016 are still under
review and the result of the investigation will be presented in the next
monthly report.
Investigation Result for the Documented
Complaints received by CEDD on 22 April 2016
9.1.2
On 22 April 2016,
CEDD received a complaint regarding to the direct discharge of wastewater into
the manhole (drainage hole).
9.1.3
During site inspection with representatives of DSD,
CEDD and AECOM on 26 April 2016, it was observed that the sedimentation tank
was removed from site
9.1.4
According to the photo record, there was a
sedimentation tank connected with the concerned manhole (drainage hole). As
advised by the Contractor of C6 (CCKJV), the sedimentation tank was idled and
would only be used as a spare tank for emergency. All wastewater from that site
area was stored in temporary pit and diverted to treat in wastewater treatment
facilities including sedimentation tank and AquaSed.
After that, all treated effluent was diverted to the drainage hole and then the
drainage outlet for discharge. Therefore, there is no discharge of wastewater
into the drainage hole.
9.1.5
On 23 May 2016, ET carried out site inspection with
the Contractor and reviewed the wastewater treatment method above. One more set
of wastewater treatment facilities was inputted. The latest wastewater
treatment facilities location were shown in Figure 3. The effluent finally
diverted to the discharge outlet then into the river. The water quality at the
Ng Tung River was visually clear.
9.1.6
It is considered that the above complaint is not
valid, nevertheless, CCKJV is still reminded to follow
the mitigation measures as recommended in the EM&A Manual. The ET will
continue inspect the environmental performance of the construction site and
ensure all activities comply with the relevant environmental contractual
requirement.
Investigation Result for the Documented
Complaints received by CEDD on 22 April 2016
9.1.7
On 20
April 2016, CEDD received a complaint from the Sha Tau Kok
District Rural Committee expressing their concerns with respect to discharge of
suspected untreated muddy water from the construction sites at Wo Keng Shan Road and Sha Tau Kok
Road into the existing river channel.
The discharge of muddy water causing water pollution and accumulation of
silt and sediment in the river channel which affecting the livelihood of the
nearby resident.
9.1.8
Besides,
the Contractor is pumping water from the exiting river channel near Ping Yuen
Road for construction purpose without prior notice to villager and discharging
suspected untreated muddy water into the river channel. It seriously affects the villagers
especially for those making life on agriculture. Moreover, the construction causing loss
of groundwater source which highly affecting the livelihood of the villagers
who making life on farming.
9.1.9
A
joint site inspection amongst the RE, Contractor of C6 (CCKJV), IEC and ET was
carried out on 25 April 2016 for the complaint investigation. The inspected areas covered all
complaint locations which included Administrative Building under Contract 2
and Site Office area under Contract 6 in Wo Keng Shan
Road as well as the open trench and river channel adjacent to Sha Tau Kok Road.
Moreover, the construction site in Ping Yuen which under Contract 6 and
the adjacent Ping Yuen River was also inspected. EPD, CEDD and DSD carried out
site inspections on 8, 18, 21, 29 April 2016 and no adverse comment was given.
9.1.10
Wo Keng Shan Road
Complaint 1: Muddy water discharged to drain pit and
existing river channel at Administrative Building
As
advised by Contractor of C2 (DHK), the recent construction activities carried
out in admin building included building foundation works such as rebar fixing
and concreting. The amount of
wastewater being generated from the abovementioned construction activities is
limited and discharge would not be made every day. The main wastewater generated from the
site would be runoff from rain and wheel washing bay. According to the ET¡¦s
weekly site inspection photos, the water in the concerned drain channel was
visually clear and no water impact was observed in April 2016. As the concerned drain channel and drain
pit is not solely for collecting the effluent from the construction site but
also the water flowing from upstream, the contaminated water on the drain
channel may be flown from upstream.
As advised by DHK, the drain pit connecting the communal drain is
cleaned regularly to ensure the nullah is clean.
9.1.11
During site inspection on 25 April 2016, it
was observed that the work area is mostly concrete paved to minimize muddy
runoff. Wastewater treatment
facilities including sump pit and series of sedimentation tank and WetSep was implemented and all wastewater was passing
through the wastewater treatment facilities before discharge. The treated
effluent was clear. The Contractor has conducted daily checking of effluent to
ensure the quality of the effluent before discharge. In our investigation, it
is considered that this complaint is unlikely related to the Contract.
9.1.12
Complaint 2: Muddy water discharge from Site Office Area to existing
river channel
There is no construction activities carried
out at Site Office Area but it was observed that vehicles with mud on wheels
getting in and out of the sites frequently. As normal site practice, the Contractor
would carry out daily clean up to remove the loose materials and mud on road
surface within the Site Office area.
During our inspection on 25 April 2016, the water of the river channel outside
Site Office area was visually clear.
9.1.13
For the construction site under Contract 6
behind the Site Office area, the recent construction activities carried out was
bored piling. As water mitigation
measures, CCKJV has been set up a temporary drainage channel to divert
wastewater from bored pile work and wheel washing bay to the wastewater
treatment facilities and they are under normal operation. The effluent from
wastewater treatment facilities was mainly recirculated in the wheel washing
basin and bored pile work and the excess water would be discharged to the nullah which connected to Ng Tung River. CCKJV would check the performance of
discharge water every day to ensure it complied with the relevant standard.
According to the daily monitoring records from CCKJV, the treated effluent was
clear on 5, 6, 7, 11, 12 April 2016.
9.1.14
During the inspection on 25 April 2016 and
ET¡¦s weekly site inspection photos, ET has inspected the treated effluent
discharged into nullah which connected to Ng Tung
River, though some silt cumulated at nullah bed was
observed, the water flowing in the nullah was
visually clear. In our investigation, it is considered that this complaint is
unlikely related to the Contract.
9.1.15
Complaint 3: Contaminated river channel with muddy water from the open trench of Sha Tau Kok Road
According to the
complaint photo, the suspected contaminated river channel with muddy water was
connected to Sha Tau Kok Road which collecting all
the surface runoff from Sha Tau Kok Road through an
open trench. As regular public road
cleaning is providing on Sha Tau Kok Road, runoff
from the public road into the gully may occur. Silt and sediment cumulated on
the open trench may make the water in river turbid especially under raining.
9.1.16
During the inspection on 25 April 2016, no
muddy was observed at the river channel and the silt and sediment at the open
trench was clear. In our investigation, it is considered that this complaint is
unlikely related to the Contract.
9.1.17
Ping Yuen
As
advised by CCKJV, the recent construction activities carried out at Ping Yuen
was mainly bored piling. The
wastewater generated from piling was recirculated and discharge could be made
when water overflow from the AquaSed. As recently
reported by CCKJV, since too much silt accumulated inside the sedimentation
tank, the quality of effluent was not desirable and some turbid effluent was
discharged into Ping Yuen River. CCKJV has been increased the desilting
frequency of the AquaSed and sedimentation tanks to 3
times per week and adjusted the chemical dosage for better treatment result.
9.1.18
To minimize the runoff flowing out of the
site, concrete block and sand bag as a temporary bund was set up near the
piling works area which besides Ping Yuen River of Bridge D. CCKJV advised that
the construction of concrete bund will be continuously constructed along the
piling area.
9.1.19
During the site inspection on 25 April
2016, it was observed that the water quality near the site area of Ping Yuen
River was turbid even though no discharge was made. Inspection was carried out at upstream
of the river and turbid water was observed but the source was unknown. It is considered that the quality of
water in Ping Yuen River is not only affected by the construction activities
but also the external factor such as rainfall and possible domestic discharge
from the villager. Also,
it was observed that clean runoff water from the nearby slopes which are out of
the site area was collected by the drainage pipes and diverted to the river
channel for discharge. In our investigation, this complaint is unlikely related
to the Contract. And CCKJV is
advised to remove all idled drainage pipes.
9.1.20
All of the above complaints are unlikely
related to the Contract. Nevertheless, CCKJV is still reminded to follow the
mitigation measures as recommended in the EM&A Manual as far as practicable
to minimize the impact and nuisance to the public. Mitigation measures such as
carrying out regular desilting of AquaSed and
sedimentation tanks, applying proper dosage of chemical for wastewater
treatment should be maintained. The ET will continue inspect the environmental
performance of the construction site and ensure all activities comply with the
relevant environmental contractual requirement.
Investigation Result for the Documented Complaints received by CEDD on
22 April 2016
9.1.21
On 22 April 2016, CEDD received a complaint
from the Sha Tau Kok District Rural Committee
expressing their concerns with respect to pumping water from the exiting river
channel near Ping Yuen Road for construction purpose without prior notice to
villager and discharging suspected untreated muddy water into the river channel. It seriously affects the villagers
especially for those making life on agriculture. Moreover, the construction causing loss
of groundwater source which highly affecting the livelihood of the villagers
who making life on farming.
9.1.22
A
joint site inspection amongst the RE, Contractor of C6 (CCKJV), IEC and ET was
carried out on 25 April 2016 for the complaint investigation. The inspected areas covered all
complaint locations which included the construction site in Ping Yuen which
under Contract 6 and the adjacent Ping Yuen River. EPD, CEDD and DSD has
carried out site inspection on 8, 18 and 29 April 2016 and no adverse comment
was given.
9.1.23
As advised by CCKJV, the recent
construction activities carried out at Ping Yuen was mainly bored piling. Water
was extracted from the river channel for dust mitigation control measures. The
wastewater generated from piling was recirculated and discharge could be made
when water overflow from the AquaSed. As recently
reported by CCKJV, since too much silt accumulated inside the sedimentation
tank, the quality of effluent was not desirable and some turbid effluent was
discharged into Ping Yuen River. CCKJV has been increased the desilting
frequency of the AquaSed and sedimentation tanks to 3
times per week and adjusted the chemical dosage for better treatment result.
9.1.24
To minimize the runoff flowing out of the
site, concrete block and sand bag as a temporary bund was set up near the
piling works area which besides Ping Yuen River of Bridge D. CCKJV advised that
the construction of concrete bund will be continuously constructed along the
piling area.
9.1.25
During the site inspection on 25 April
2016, it was observed that the water quality near the site area of Ping Yuen was
turbid even though no discharge was made.
Inspection was carried out at upstream of the river and turbid water was
observed but the source was unknown.
It is considered that the quality of water in Ping Yuen River is not
only affected by the construction activities but also the external factor such
as rainfall and possible domestic discharge from the villager. Also,
it was observed that clean runoff water from the nearby slopes which are out of
the site area was collected by the drainage pipes and diverted to the river
channel for discharge. CCKJV is advised to remove all idled drainage pipes.
9.1.26
In our investigation, it is considered
that the complaint is unlikely due to the Contract. However, CCKJV is still
reminded to follow the mitigation measures as recommended in the EM&A
Manual as far as practicable to minimize the impact and nuisance to the public.
Mitigation measures such as carrying out regular desilting of AquaSed and sedimentation tanks should be implemented. The
ET will continue inspect the environmental performance of the construction site
and ensure all activities comply with the relevant environmental contractual
requirement.
Investigation Result for the Documented
Complaints received by 1823 on 28 April 2016
9.1.27
A complaint was received on
28 April 2016
from 1823 regarding to the suspected muddy water discharged from the construction
sites under Contract 6 affected the growth of crops. This complaint is under
review and the result will be presented in the next monthly report.
Investigation Result for the Documented
Complaints received by 1823 on 21 April 2016
9.1.28
A complaint was received from 1823 on 21 April 2016 and passed to
CEDD and EPD. There are two concerns. Firstly, it is suspected that dump
trucks were not washed in wheel washing facilities before leaving the site and
the site was not carried out water spraying. Hence, these suspected concerns
lead to dust nuisance to the nearby farmlands. Secondly, it is suspected that
the Contractor discharged wastewater directly into the storm drain and Ng Tung
River, affecting the residents and farmers of Tai Tong Wu. This
investigation report is still under review and the result will be presented in
the next monthly report.
Investigation Result for the Documented
Complaints received by 1823 on 28 May 2016
9.1.29
A
complaint was received from 1823 on 28 May 2016, regarding to the mud found on
Sha Tau Kok, Wo Keng Shan
Road was suspected from the construction site. This investigation report is
still under review and the result will be presented in the next monthly report.
Investigation Result for the Documented
Complaints received by CEDD on 26 May 2016
9.1.30
A complaint was received from CEDD on 26 May 2016, regarding to the
noise nuisance from the construction site of Contract 2 (North Portal). Loi Tung Villagers complained that noise was made at
midnight from the construction site. Also, early in the morning at 5, dump
truck started working in the construction site, making noise thus affecting the
daily lives of villagers.
This complaint is still under investigation the result will be presented in the
next monthly report
Investigation Result for the Documented
Complaints received by 1823 on 31 May 2016
9.1.31
A
complaint was received from 1823 on 31 May 2016, regarding to water spraying
over dump trucks was suspected to be carried out outside site area. The above
action resulted in muddy water on Sha Tau Kok Road Wo Hang Ma Mei Section
and affected other road users. This complaint is still under review and the
result will be presented in the next monthly report.
9.1.32
The statistical summary table of
environmental complaint is presented in Tables
9-1, 9-2 and 9-3.
Table 9-1 Statistical
Summary of Environmental Complaints
Reporting Period |
Contract No |
Environmental
Complaint Statistics |
||
Frequency |
Cumulative |
Complaint Nature |
||
19 May 2014 ¡V 30 April 2016 |
Contract 2 |
0 |
14 |
(6) Water Quality (6) Dust (2) Noise |
06 Nov 2013 ¡V 30 April 2016 |
Contract 3 |
0 |
4 |
(1) Dust (2) Water quality (1) Noise |
16 Aug 2013 ¡V 30 April 2016 |
Contract 5 |
0 |
2 |
(2) Dust |
16 Aug 2013 ¡V 30 April 2016 |
Contract 6 |
0 |
13 |
(11) Water Quality (2) Dust |
15 Feb 2016 ¡V 30 April 2016 |
Contract 7 |
0 |
0 |
N/A |
16 Aug 2013 ¡V 30 April 2016 |
SS C505 |
0 |
0 |
N/A |
1 ¡V 31 May 2016 |
Contract 2 |
3 |
17 |
(7)Water Quality (7) Dust (3) Noise |
Contract 3 |
0 |
4 |
(1) Dust (2) Water quality (1) Noise |
|
Contract 5 |
0 |
2 |
(2) Dust |
|
Contract 6 |
1 |
14 |
(11) Water Quality (3) Dust |
|
Contract 7 |
0 |
0 |
N/A |
|
SS C505 |
0 |
0 |
N/A |
Table 9-2 Statistical
Summary of Environmental Summons
Reporting Period |
Contract No |
Environmental
Summons Statistics |
||
Frequency |
Cumulative |
Complaint Nature |
||
19 May 2014 ¡V 30 April 2016 |
Contract 2 |
0 |
0 |
NA |
06 Nov 2013 ¡V 30 April 2016 |
Contract 3 |
0 |
0 |
NA |
16 Aug 2013 ¡V 30 April 2016 |
Contract 5 |
0 |
0 |
NA |
16 Aug 2013 ¡V 30 April 2016 |
Contract 6 |
0 |
0 |
NA |
15 Feb 2016 ¡V 30 April 2016 |
Contract 7 |
0 |
0 |
NA |
16 Aug 2013 ¡V 30 April 2016 |
SS C505 |
0 |
0 |
NA |
1 ¡V 31 May 2016 |
Contract 2 |
0 |
0 |
NA |
Contract 3 |
0 |
0 |
NA |
|
Contract 5 |
0 |
0 |
NA |
|
Contract 6 |
0 |
0 |
NA |
|
Contract 7 |
0 |
0 |
NA |
|
SS C505 |
0 |
0 |
NA |
Table 9-3 Statistical
Summary of Environmental Prosecution
Reporting Period |
Contract No |
Environmental
Prosecution Statistics |
||
Frequency |
Cumulative |
Complaint Nature |
||
19 May 2014 ¡V 30 April 2016 |
Contract 2 |
0 |
0 |
NA |
06 Nov 2013 ¡V 30 April 2016 |
Contract 3 |
0 |
0 |
NA |
16 Aug 2013 ¡V 30 April 2016 |
Contract 5 |
0 |
0 |
NA |
16 Aug 2013 ¡V 30 April 2016 |
Contract 6 |
0 |
0 |
NA |
15 Feb 2016 ¡V 30 April 2016 |
Contract 7 |
0 |
0 |
NA |
16 Aug 2013 ¡V 30 April 2016 |
SS C505 |
0 |
0 |
NA |
1 ¡V 31 May 2016 |
Contract 2 |
0 |
0 |
NA |
Contract 3 |
0 |
0 |
NA |
|
Contract 5 |
0 |
0 |
NA |
|
Contract 6 |
0 |
0 |
NA |
|
Contract 7 |
0 |
0 |
NA |
|
SS C505 |
0 |
0 |
NA |
The Other Contracts
9.1.33
Since the construction works at the Contract
4 has not yet commenced, no environmental complaint, summons
and prosecution under the EM&A Programme are registered
in the Reporting Period.
10.1.1
The environmental mitigation measures that
recommended in the Implementation Schedule for Environmental Mitigation
Measures (ISEMM) in the approved EM&A Manual covered the issues of dust, noise,
water and waste and they are summarized presented in Appendix M.
10.1.2
All contracts under the Project shall be
implementing the required environmental mitigation measures according to the approved
EM&A Manual as subject to the site condition. Environmental mitigation measures
generally implemented by Contracts 2, 3, 5, 6, 7 and Contract SS C505 in this
Reporting Period are summarized in Table 10-1.
Table 10-1 Environmental
Mitigation Measures
Issues |
Environmental
Mitigation Measures |
Water Quality |
¡P Wastewater to be treated by the
wastewater treatment facilities i.e. sedimentation tank or similar facility before
discharge. |
Air Quality |
¡P Maintain damp / wet surface
on access road ¡P Low vehicular speed within
the works areas. ¡P All vehicles must use wheel
washing facility before off site ¡P Sprayed water during
breaking works ¡P A
cleaning truck was regularly performed on the public road to prevent fugitive dust emission |
Noise |
¡P Restrain operation time of
plants from 07:00 to 19:00 on any working day except for Public Holiday and
Sunday. ¡P Keep good maintenance of
plants ¡P Place noisy plants away from
residence or school ¡P Provide noise barriers or
hoarding to enclose the noisy plants or works ¡P Shut down the plants when not
in used. |
Waste and Chemical Management |
¡P On-site sorting prior to
disposal ¡P Follow requirements and
procedures of the ¡§Trip-ticket System¡¨ ¡P Predict required quantity of
concrete accurately ¡P Collect the unused fresh
concrete at designated locations in the sites for subsequent disposal |
General |
¡P The site was generally kept
tidy and clean. |
10.2.1
Construction activities as undertaken in the
coming month for the Project lists below:
Contract 2
Mid-Vent Portal |
Tube excavation (NB+SB)
Adit invert slab
Ventilation building
superstructure |
North Portal |
Retaining walls and slope
stabilization
Northbound top heading excavation
and tunnel enlargement
Retaining walls and slope
stabilization |
South Portal |
Southbound and Northbound D&B
excavation
Building works superstructure |
Admin
Building |
Building works foundation
& superstructure |
Contract 3
Cable detection and trial trenches
Filling works at Tong Hang East
Storm Drains Laying
Noise barrier construction
Pier / Pier Table construction
Pile cap works
Portal beam construction
Pre-drilling works and piling works for
viaduct
Pre-drilling works for noise barrier and
piling works for noise barrier
Retaining Wall construction
Road works
Sewer works
Slope works
Socket H-pile installation
Tree felling works
Utilities duct laying
Viaduct segment erection
Water works
Contract 5
Testing and commissioning of rising main
(VO061) at LMH road
Bituminous laying at existing LMH road.
Brick laying at footpath of LMH road
Road works (kerb and
bituminous laying) at existing LMH road
Irrigation system at existing LMH Road
Installation of underground utilities at
existing LMH road
Planting works at proposed & existing
LMH road
Contract 6
Site Clearance
Slope Works
Site Accesses Construction
Ground Investigation Works
Soil Nail
Bored Piling
Pile Cap Construction
Tunnel Excavation
Sewage Treatment Plant Construction
Contract 7
Ground Investigation Works for Bridge A and
E
Piling Works for Bridge A to E
Pile cap construction for Bridge B, C, D
Contract SS C505
General Site Setup
CLP temporally sub-station works
Building no. 5 and 9 construction
Tower Crane TC10 Construction
H-pile works and load test
Disassembly of crawler crane
Grouting and full core to completed bored
piles
Underground drainage works
Erection of Welfare Shelter
Prototype ¡§A¡¨ Construction works
Prototype ¡§B¡¨ footing construction
Formwork and falsework for PTB¡¦s slap
construction
Pile cap construction for PTB
Tower Crane Construction
Pile Cap construction for building number
4, 6 and 7
Bridge construction works including
construction of bridge column, retaining wall, pile cap
10.3.1
Key
issues to be considered in the coming month for Contracts 2, 3, 5, 6, 7 and SS
C505 include:
Implementation of control measures for rainstorm;
Regular clearance of stagnant water during wet season;
Implementation of dust suppression measures at all
times;
Potential wastewater quality impact due to surface
runoff;
Potential fugitive dust quality impact due from the
dry/loose/exposure soil surface/dusty material;
Disposal of empty engine oil containers within site
area;
Ensure dust suppression measures are
implemented properly;
Sediment catch-pits and silt removal
facilities should be regularly maintained;
Management of chemical wastes;
Discharge of site effluent to the nearby
wetland, stockpiling or disposal of materials, and any dredging or construction
area at this area are prohibited;
Follow-up of improvement on general waste
management issues; and
Implementation of construction noise
preventative control measures
10.3.2
Contract 4 has not yet commenced and no
environmental issue is presented.
11.1.1
This is the 34th monthly EM&A report presenting the monitoring
results and inspection findings for the Reporting Period from 1 to 31 May 2016.
11.1.2
For
air quality monitoring, no 1-hour and 24-hour TSP monitoring results triggered
the Action or Limit Levels were recorded. No NOEs or the associated corrective
actions were therefore issued.
11.1.3
No
noise complaint (which is an Action Level exceedance) was received and no
construction noise measurement results that exceeded the Limit Level were
recorded in the Reporting Period. No NOEs or the associated corrective actions
were therefore issued.
11.1.4
For
water quality monitoring, a total of twenty-seven (27) Action/ Limit Levels (AL/LL)
exceedances, namely fifteen (15) LL exceedances of turbidity and twelve (12)
AL/LL exceedances of Suspended Solids. The investigations for the cause of
exceedances have been conducted by the ET and the associated investigation
reports were submitted to relevant parties
11.1.5
No
environmental summons or successful prosecutions were recorded in the Reporting
Period.
11.1.6
In
this Reporting Period, a total three
(3) documented environmental complaint was received in the reporting month regarding
to water, dust and noise issue. Upon receipt of the complaints, RE, IEC
and ET with the relevant Contractors has immediately undertaken investigation. In the Reporting Period, all complaints
of investigation are not yet completed and ongoing.
11.1.7
During
the Reporting Period, weekly joint site inspection by the RE, IEC, ET with the
relevant Main-contractor were carried out for Contracts 2, 3, 5, 6, 7 and SS
C505 in accordance with the EM&A Manual stipulation. No non-compliance observed during the
site inspection.
11.2.1
As wet
season has come, preventive measures for muddy water or other water pollutants
from site surface flow to local stream such as Kong Yiu Channel, Ma Wat
Channel, Ping Yuen River or public area would be the key issue. The Contractors should paid special
attention on water quality mitigation measures and fully implement according
ISEMM of the EM&A Manual, in particular for working areas near Ma Wat
Channel and Ping Yuen River. Moreover, all effluent discharge shall be ensure
to fulfill Technical Memorandum of Effluent Discharged into Drainage and
Sewerage Systems, inland and Coastal Waters criteria or discharge permits
stipulation.
11.2.2
Construction noise would be a key
environmental issue during construction work of the Project. Noise mitigation measures such as using
quiet plants should be implemented in accordance with the EM&A requirement.
11.2.3
Since most of construction sites under the
Project are located adjacent to villages, the Contractors should fully
implement air quality mitigation measures to reduce construction dust emission.
11.2.4
Furthermore, daily cleaning and weekly tidiness shall be properly performed
and maintained. In addition, mosquito
control should be kept to prevent mosquito breeding on site.