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Job No.: TCS00670/13 |
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Agreement No. CE 45/2008
(CE) Liantang/Heung Yuen Wai Boundary Control Point
and Associated Works |
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1st Quarterly Environmental
Monitoring & Audit Summary Report ¡V (August to October 2013) |
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Prepared
For |
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Civil Engineering and Development Department (CEDD) |
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Quality Index |
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Date |
Reference No. |
Prepared By |
Certified By |
6
December 2013 |
TCS00670/13/600/R0088v2 |
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Nicola
Hon (Environmental Consultant) |
T.W. Tam (Environmental Team Leader) |
Version |
Date |
Description |
1 |
29 November 2013 |
First
Submission |
2 |
6
December 2013 |
Amended against
IEC¡¦s comments on 5 December 2013 |
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This
report has been prepared by Action-United Environmental Services &
Consulting with all reasonable skill, care and diligence within the terms of
the Agreement with the client, incorporating our General Terms and Conditions
of Business and taking account of the resources devoted to it by agreement
with the client. We disclaim any responsibility to the client and others in
respect of any matters outside the scope of the above. This report is
confidential to the client and we accept no responsibility of whatsoever
nature to third parties to whom this report, or any part thereof, is made
known. Any such party relies upon the report at their own risk. |
Executive Summary
ES.01. This is the 1st Quarterly EM&A Summary Report
for the ¡§Liantang/Heung
Yuen Wai Boundary Control Point and Associated Works¡¨ under Environmental Permit No. EP-404/2011/A (hereinafter ¡¥¡¥the EP¡¦¡¦), covering the period from 16 August to 31 October 2013 (hereinafter ¡§Reporting Period¡¨).
Environmental Monitoring and
Audit Activities
ES.02. 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 |
3 |
144 |
24-hour TSP |
3 |
42 |
|
Construction Noise |
Leq(30min) Daytime |
2 |
28 |
Water Quality |
Water sampling |
2 |
33 |
Joint Site Inspection / Audit |
IEC, ET, the Contractor and RE joint site Environmental Inspection and Auditing |
Contract 5 |
11 |
Breaches
of Action/Limit levels
ES.03.
In
this Reporting Period, monitoring results demonstrated that no exceedance of
environmental quality criteria recorded in both air quality, construction noise
and water quality. The summary of breach of
environmental performance is shown below.
Environmental
Aspect |
Monitoring Parameters |
Action Level |
Limit Level |
Event & Action |
||
NOE Issued |
Investigation |
Corrective Actions |
||||
Air Quality |
1-hour TSP |
0 |
0 |
0 |
0 |
0 |
24-hour TSP |
0 |
0 |
0 |
0 |
0 |
|
Construction Noise |
Leq(30min) Daytime |
0 |
0 |
0 |
0 |
0 |
Water Quality |
DO |
0 |
0 |
0 |
0 |
0 |
Turbidity |
0 |
0 |
0 |
0 |
0 |
|
SS |
0 |
0 |
0 |
0 |
0 |
Environmental
Complaint
ES.04. No environmental complaints
were received under the EM&A Programme in the Reporting Period.
Notification of Summons and Successful Prosecutions
ES.05. No
environmental summons or successful prosecutions were recorded in the Reporting
Period.
Reporting Changes
ES.06. No
reporting changes were made in the Reporting Period.
Future key issues
ES.07. 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.
ES.08. During dry season, special attention should be paid on the potential
construction dust impact since most of the construction sites are adjacent to
villages. The Contractor should
fully implement the construction dust mitigation measures properly.
ES.09. In addition,
the potential water quality impact at the
nearby rivers should be highly alerted.
The Contractor should prevent muddy water and other water pollutants via
site surface water runoff get into the Kong
Yiu Channel, water quality mitigation measures should be properly implemented.
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 Summary
of Monitoring Results
5 Construction Noise
Monitoring
5.2 Summary
of Monitoring Results
6.2 Summary
of Monitoring Results
7.2 Records
of Waste Quantities
9 Non-compliance,
Complaints, Notifications of Summons and Successful Prosecutions
9.1 Non-compliance
(exceedances)
9.2 Environmental
Complaint, Summons and Prosecution
10 Implementation Status of
Mitigation Measures
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 Air Quality Monitoring Results
Table 4-2 Summaries
of Breaches of Air Quality A/L Levels
Table 5-1 Summary
of Construction Noise Monitoring Results
Table 5-2 Summaries
of Breaches of Construction Noise A/L Levels
Table 6-1 Summary
of the Water Quality Monitoring Results
Table 6-2 Summaries
of Breaches of the Existing Water Quality A/L Levels
Table 7-1 Summary
of Quantities of Inert C&D Materials
Table 7-2 Summary
of Quantities of C&D Wastes
Table 8-1 Summary
of Reminders/Observations of Site Inspection
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 Annexes
Appendix A Layout plan of the Project
Appendix B Environmental Management Organization Chart
Appendix C Master Construction Programme for Contract 5
Appendix D Designated Monitoring Locations as Recommended in the Approved
EM&A Manual
Appendix E Monitoring Locations for Impact Monitoring
Appendix F Event and Action Plan
Appendix G Graphical Plots for Monitoring Result
Appendix H Weather information
Appendix I Waste Flow Table
Appendix J Implementation Schedule for Environmental Mitigation
Measures
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/A issued on 28 October
2013.
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.
1.1.5.
This is the 1st
Quarterly EM&A Summary Report for the ¡§Liantang/Heung Yuen Wai Boundary
Control Point and Associated Works¡¨ under Environmental Permit No. EP-404/2011/A, covering the period from 16 August to 31 October 2013.
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 Non-compliance, Complaints,
Notifications of Summons and Successful Prosecutions
Section 9 Implementation Status of Mitigation Measures
Section 10 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 (TCSS)
¡P
Contract 5 (CV/2013/03)
¡P
Contract 6 (CV/2013/08)
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
The Contract 2 has not yet awarded till end
of the Reporting Period. 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. Commencement of construction has
scheduled in 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 (Contract number to be
assigned)
2.1.5
Contract 4 has not yet awarded. The work of the Contract 4 includes provision and installation of
Traffic Control and Surveillance System and the associated electrical and
mechanical works for the Project.
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 not yet awarded. Major Scope of Work of the Contract 6
will 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.
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.
Environmental
Protection Department (EPD)
2.2.3
EPD is the statutory enforcement body for
environmental protection matters in Hong Kong.
Engineer
or Engineers Representative (ER)
2.2.4
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)
2.2.5
There will be one contractor for each
individual works contract. The
Contractor(s) should report to the ER. 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)
2.2.6
One ET will be employed for this Project. 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 lEC and Contractor(s) 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)
2.2.7
One IEC will be employed for this Project. The Independent Environmental Checker
(IEC) should not be in any way an associated body of the Contractor(s) 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 duty of IEC should be:
¡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
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, ET, lEC and the
Contractor(s) 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
(Environmental Permit EP-430/2011);
(b)
Building works and road works by contractors
of ArchSD (Environmental Permit EP-404/2011);
(c)
Widening of Fanling Highway ¡V Tai Hang to Wo Hop Shek Interchange ¡V Contract No. HY/2012/06;
(d)
Construction of cross-boundary vehicular and
pedestrian bridges (total 5 numbers) across the Shenzhen River; and
(e)
Construction of BCP
facilities in Shenzhen.
2.4.1
In the Reporting Period, the major
construction activity conducted under the Project is located in Contract 5 and they
are summarized in below. Moreover,
the master construction program of the Contract 5 is enclosed in Appendix C.
Contract 2 (CV/2012/08)
The
contract has not yet awarded.
Contract 3 (CV/2012/09)
Contract
awarded in July 2013. Commencement of construction has scheduled in November
2013.
Contract 4 (Contract number to be assigned)
The
contract has not yet awarded.
Contract 5 (CV/2013/03)
Contract
commenced in April 2013, the following activities were conducted in the
Reporting Period.
August 2013
Site formation
works at RS1 & RS3
Environmental
impact monitoring
Construction
of wheel washing bay
Geotechnical
investigation and monitoring works
Tree
felling
Setting
out the site boundary
Condition
survey of existing structures
Demolition
of structures at additional area at Loi Tung
Temporary
widening at LMH road
Underground
utilities detection
Liaise
with various utility undertakers and villagers/Village Representatives
September 2013
Site formation works
at RS1 & RS3
Construction of
Retaining Wall No.1
Construction of
temporary bridge B
Construction of
Village Houses at RS4
Construction of 2nd
wheel washing bay
Preparation works for
lift shaft¡¦s piling works
Erection of project
sign board
Environmental impact
monitoring
Geotechnical
investigation and monitoring works
Pruning/ felling of
existing tree
Preparation works for
tree transplant
Setting out the site
boundary
Demolition of
structures at additional area at Loi Tung
Temporary widening of
LMH Road
Formation works at BCP
Area
Underground utilities detection
Liaise with various
utility undertaker and villages/ Village representatives
October 2013
Construction of
Retaining Wall No.1
Construction of 2nd
wheel washing bay
Piling works at lift
shaft, Bridge J & footbridge
Filling work for ArchSD permanent office
Construction of jacking
pipe/ receiving & jacking pits
Erection of project sign
board
Setting out the site
boundary and structures
Environmental impact
monitoring
Archaeological survey
Underground utilities
detection
Temporary widening of
LMH Road
Construction of Road and
drainage work at RS1 and RS3
Construction of
footbridge and staircase at RS4
Geotechnical
investigation and monitoring works
Formation works at BCP
Area
Construction of
Depressed Road at BCP3
Contract 6 (CV/2013/08)
The
contract is still yet awarded
2.5.1
In according to the EP, the required documents
have submitted to EPD for retention which listed in below:
Project Layout Plans of Contracts 3 and 5
Landscape Plan
Topsoil Management Plan
Environmental Monitoring and Audit Programme
Baseline Monitoring Report (TCS00690/13/600/R0030v3) for the Project
Waste Management Plan of Contract 5
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 |
|
Contract 5 |
Contract 2, 3, 4 & 6 |
||
1 |
Air
pollution Control (Construction Dust) Regulation |
Ref. No: 359338 Notified EPD on 13 May 2013 |
-- |
2 |
Chemical
Waste Producer Registration - Waste Producers
Number |
No.: 5213-642-S3735-01 Valid form 8 Jun 2013 till the end of Contract |
-- |
3 |
Water
Pollution Control Ordinance - Discharge License |
No.: W5/1G44/1 Valid from 8 Jun 13 to 30 Jun 2018 |
-- |
4 |
Waste
Disposal Regulation - Billing Account for Disposal of Construction Waste |
Account
No. 7017351 Valid form 29 Apr 13 till the end of Contract |
-- |
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 |
AM1 |
Tsung Yuen Ha Village House No. 63 |
BCP |
Contract 5 |
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 |
AM4a |
A village house located at about 160m east side of the original point AM4 |
LMH to Frontier Closed Area |
Contract 6 |
AM5 |
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 |
AM7a |
Another village (nameless) aligns to Sha Tau Kok Road ¡V Wo Hang Section proximity to Tai Tong Wu Village.
The location is about 140m away from the original point AM7 |
Sha Tau Kok Road |
Contract 2 |
AM8 |
Po Kat Tsai Village No. 4 |
Po Kat Tsai |
Contract 2 |
AM9a |
Nam Wa
Po Village House No. 71 |
Fanling |
Contract 3 |
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 |
Contract 5 |
NM2 |
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 Rpad |
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.
78 |
Fanling |
Contract 3 |
Table
3-4 Impact
Monitoring Stations - Water Quality
Station ID |
Description |
Designated / Alternative Location |
Nature of the location |
Related to the Work Contract |
|
Coordinates |
|||||
Easting |
Northing |
||||
WM1 |
Downstream of Kong Yiu
Channel |
833679 |
845421 |
Alternative location
located at upstream 51m of the designated location |
Contract 5 |
WM1-Control |
Upstream of Kong Yiu
Channel |
834185 |
845917 |
NA |
Contract 5 |
WM2A |
Downstream of River
Ganges |
834204 |
844471 |
Alternative location
located at downstream 81m of the designated location |
Contract 6 |
WM2A-Control |
Upstream of River
Ganges |
835270 |
844243 |
Alternative location
located at upstream 78m of the designated location |
Contract 6 |
WM2B |
Downstream of River
Ganges |
835433 |
843397 |
NA |
Contract 6 |
WM2B-Control |
Upstream of River
Ganges |
835835 |
843351 |
Alternative location
located at downstream 31m of the designated location |
Contract 6 |
WM3 |
Downstream of River
Indus |
836324 |
842407 |
NA |
Contract 6 |
WM3-Control |
Upstream of River
Indus |
836763 |
842400 |
Alternative location
located at downstream 26m of the designated location |
Contract 6 |
WM4 |
Downstream of Ma Wat Channel |
833850 |
838338 |
Alternative location
located at upstream 11m of the designated location |
Contract 3 |
WM4¡VControl A |
Kau Lung Hang Stream |
834028 |
837695 |
Alternative location
located at downstream 28m of the designated location |
Contract 3 |
WM4¡VControl B |
Upstream of Ma Wat Channel |
833760 |
837395 |
Alternative location
located at upstream 15m of the designated location |
Contract 3 |
3.4.1
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
3.4.2
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
3.4.3
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
3.4.4
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 |
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-1.
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-14 or Rion
NL-31 |
Calibrator |
B&K
Type 4231 |
Portable Wind Speed Indicator |
Testo Anemometer |
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 PRO20 Handheld Dissolved Oxygen Instrument |
pH meter |
The EcoSense ® pH10A pen-style instrument |
Turbidimeter |
Hach 2100Q |
Sample
Container |
High
density polythene bottles (provided by laboratory) |
Storage Container |
¡¥Willow¡¦ 33-liter plastic cool box with Ice
pad |
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 Thermo Andersen Model GS2310 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). 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 locations. The sampling produce 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 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
is used for water in-situ measures, which automates the measurements and
data logging of temperature, dissolved oxygen and dissolved oxygen
saturation. Before each round of monitoring, the dissolved oxygen probe would be
calibrated by the wet bulb method.
3.6.15 A portable EcoSense ®
pH10A pen-style instrument 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. Standard
buffer solutions of pH 7 and pH 10 are used for calibration of the instrument
before and after measurement.
3.6.16 A portable Hach 2100Q Turbidimeter is used for in-situ
turbidity measurement. The turbidity meter is capable of measuring turbidity in
the range of 0 ¡V 1000 NTU. StablCal®
Standards 10NTU and 100NTU are used for calibration of the
instrument before and after measurement.
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 presented in
the relevant monthly EM&A reports.
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 |
|
AM1 |
265 |
143 |
500 |
260 |
AM2 |
268 |
149 |
||
AM3 |
269 |
145 |
||
AM4a |
267 |
148 |
||
AM5 |
268 |
143 |
||
AM6 |
269 |
148 |
||
AM7a |
275 |
156 |
||
AM8 |
269 |
144 |
||
AM9a |
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, NM2, 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 F.
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 properly 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, the construction works under the
project is only commenced in Contract 5. Therefore, air quality monitoring was
only performed at 3 relevant designated locations as below:
AM1 - Tsung Yuen Ha
Village House No. 63;
AM2 - Village House
near Lin Ma Hang Road; and
AM3 - Ta Kwu Ling
Fire Service Station of Ta Kwu Ling Village
4.2.1
Summary of air quality monitoring
results during the Reporting Period are tabulated in Table 4-1. The
relevant graphical plots throughout the Reporting Period are presented in Appendix G.
Table 4-1 Summary
of Air Quality Monitoring Results
Monitoring
Location |
1-hour TSP (µg/m3) |
24-hour TSP (µg/m3) |
||||
Max |
Min |
Mean |
Max |
Min |
Mean |
|
AM1 |
237 |
42 |
121 |
108
|
22
|
53
|
Record
Date |
2-Oct-13 |
3-Sep-13 |
48
events |
23-Oct-13 |
16-Aug-13 |
14
events |
AM2 |
253 |
38 |
130 |
147
|
30
|
78
|
Record
Date |
2-Oct-13 |
16-Aug-13 |
48
events |
17-Oct-13 |
16-Aug-13 |
14
events |
AM3 |
265 |
67 |
144 |
111
|
26
|
55
|
Record
Date |
2-Oct-13 |
3-Sep-13 |
48
events |
5-Oct-13 |
21-Aug-13 |
14
events |
4.2.2
Breaches of air quality A/L levels and
statistical analysis of compliance for the air quality monitoring results are
summarized in Table 4-2.
Table 4-2 Summaries
of Breaches of Air Quality A/L Levels
Location |
Exceedance |
1-hour TSP |
24- hour TSP |
Total |
AM1 |
Action Level |
0 |
0 |
0 |
Limit Level |
0 |
0 |
0 |
|
AM2 |
Action Level |
0 |
0 |
0 |
Limit Level |
0 |
0 |
0 |
|
AM3 |
Action Level |
0 |
0 |
0 |
Limit Level |
0 |
0 |
0 |
4.2.3
In
this Reporting Period, all 1-hour TSP and
24-hour TSP monitoring results were fluctuated below the Action Level. No Notification of Exceedances (NOE) of air quality criteria or
corrective action was therefore required.
4.2.4
The summary of weather conditions during the Reporting
Period is presented in Appendix H.
5.1.1
In the Reporting Period, the construction works under the
project is only commenced in Contract 5. Therefore, noise monitoring was only
performed at 2 relevant designated locations as below:
NM1 - Tsung Yuen Ha
Village House No. 63; and
NM2 - Village House
near Lin Ma Hang Road
5.2.1
Summary of noise monitoring results
during the Reporting Period are tabulated in Table 5-1. The
relevant graphical plots throughout the Reporting Period are presented in Appendix G.
Table 5-1 Summary of Construction Noise
Monitoring Results
Monitoring
Location |
Leq, 30min (dB((A)) |
|
Max |
Min |
|
NM1 |
67 |
46 |
Record
Date |
2-Oct-13 |
16-Aug-13 |
NM2 |
67 |
58 |
Record
Date |
16-Aug-13 |
19-Sep-13
& 2-Oct-13 |
5.2.2
Breaches of construction noise A/L
levels and statistical analysis of compliance for the construction noise
monitoring results are summarized in Table
5-2.
Table 5-2 Summaries
of Breaches of Construction Noise A/L Levels
Station |
Limit Level |
Action Level |
Received Date |
NM1 |
0 |
Noise complaint |
NA |
NM2 |
0 |
5.2.3
In
this Reporting Period, neither Limit Level
exceedance nor noise complaint (which is an Action Level exceedance) was recorded
and received. No Notification of Exceedances (NOE)
of construction noise criteria or corrective action was therefore required.
5.2.4
The summary of weather conditions during the Reporting
Period is presented in Appendix H.
6.1.1
In the Reporting Period, the construction works under the
project is only commenced in Contract 5. Therefore, water quality monitoring was
only performed at 2 relevant designated locations as below:
WM1 ¡V Contract 5 working site downstream at Kong
Yiu Channel; and
WM1-Control ¡V Contract 5 working site upstream
at Kong Yiu Channel
6.2.1
Summary of monitoring results during the
Reporting Period are tabulated in Tables
6-1. The relevant graphical
plots throughout the Reporting Period are presented in Appendix G.
Table 6-1 Summary
of the Water Quality Monitoring Results
Statistics |
DO
(mg/L) |
Turbidity
(NTU) |
SS
(mg/L) |
|||
WM1 |
WM1- Control |
WM1 |
WM1- Control |
WM1 |
WM1- Control |
|
Min |
4.3 |
4.4 |
5.9 |
5.4 |
4.0 |
2.0 |
Max |
11.4 |
10.7 |
98.1 |
98.1 |
114.0 |
114.5 |
Average |
7.4 |
7.5 |
26.2 |
20.5 |
22.8 |
16.2 |
6.2.2
Breaches of water quality A/L levels and
statistical analysis of compliance for the water quality monitoring results are
summarized in Table 6-2.
Table 6-2 Summaries
of Breaches of the Existing Water Quality A/L Levels
Reporting Period |
No. of sample analysis in each Parameter |
Exceedance |
DO |
Turbidity |
SS |
August 2013 |
7 |
Action Level |
0 |
0 |
0 |
Limit Level |
0 |
0 |
0 |
||
Sub-Total |
0 |
0 |
0 |
||
September 2013 |
13 |
Action Level |
0 |
0 |
0 |
Limit Level |
0 |
0 |
0 |
||
Sub-Total |
0 |
0 |
0 |
||
October 2013 |
13 |
Action Level |
0 |
0 |
0 |
Limit Level |
0 |
0 |
0 |
||
Sub-Total |
0 |
0 |
0 |
||
Total |
33 |
Action Level |
0 |
0 |
0 |
Limit Level |
0 |
0 |
0 |
6.2.3
In Reporting Period, no exceedance of
water quality monitoring was recorded. No NOE was therefore issued and no
corrective measures are recommended.
6.2.4
The summary of weather conditions during the Reporting Period is presented in Appendix H.
7.1.1
Waste management was carried out by an
on-site Environmental Officer or an Environmental Supervisor from time to time.
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
7.2.2
Whenever possible, materials were reused
on-site as far as practicable. The
quantities of waste for disposal in the Reporting Period are summarized in Tables
7-1 and 7-2 and the Waste Flow Table is presented in Appendix I.
Table 7-1 Summary
of Quantities of Inert C&D Materials
Type of Waste |
Quantity |
Disposal
Location |
||
Aug 13 |
Sep 13 |
Oct 13 |
||
C&D Materials
(Inert) (in '000ton) |
0 |
0 |
0 |
- |
Reused in this
Project (Inert) (in '000ton) |
0 |
0 |
0 |
- |
Reused in other
Projects (Inert) (in '000ton) |
0 |
0 |
0 |
- |
Disposal as Public
Fill (Inert) (in '000ton) |
0 |
0 |
0 |
- |
Table 7-2 Summary
of Quantities of C&D Wastes
Type of Waste |
Quantity |
Disposal Location |
||
Aug 13 |
Sep 13 |
Oct 13 |
||
Recycled Metal (in '000ton) |
0 |
0 |
0 |
- |
Recycled
Paper / Cardboard Packing (in '000ton) |
0 |
0 |
0 |
- |
Recycled
Plastic (in '000ton) |
0 |
0 |
0 |
- |
Chemical
Wastes (in '000ton) |
0 |
0 |
0 |
- |
General
Refuses (in '000ton) |
0 |
0.048 |
0.996 |
NENT Landfill |
7.2.3
To control the site performance on waste management, the
Contractor shall ensure that all solid and liquid waste management works are
fully in compliance with the relevant license/permit requirements, such as the
effluent discharge license and the chemical waste producer registration. The Contractor is also reminded to
implement the recommended environmental mitigation measures according to the Environmental Monitoring and Audit
Manual.
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 5
8.1.2
During
the Reporting Period, 11
events of the joint site inspections were undertaken at Contract 5 to evaluate
the site environmental performance.
The summaries of the findings during site inspection are presented in Table
8-1 and the details of site inspection can be
found in relevant EM&A monthly report.
Table 8-1 Summary
of Reminders/Observations of Site Inspection
Reporting Period |
Date of site inspection |
Nos. of findings / reminders |
|
August 2013 |
22 and 29 August 2013 |
3 |
Completed |
September 2013 |
5, 12, 19 and 26 September 2013 |
13 |
Completed |
October 2013 |
3, 10, 17, 24 and 31 October 2013 |
19 |
Completed |
8.1.3
In the
Reporting Period, no non-compliance was recorded,
however, 35 observations/ reminders were
recorded during the site inspections.
Minor deficiencies found
in the weekly site inspection were in general rectified within the specified
deadlines. The environmental
performance of the Project was therefore considered satisfactory.
Other
Contracts
8.1.4
Since the construction works at the Contract
2, Contract 3, Contract 4 and Contract 6 are not yet commenced, no site
inspection is performed for these Contracts.
9.1.1
No environmental non-compliance was recorded
in the Reporting Period.
9.2.1
For Contract 5, no environmental complaint,
summons and prosecution was received in the Reporting Period. 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 |
Environmental Complaint Statistics |
||
Frequency |
Cumulative |
Complaint Nature |
|
August
2013 |
0 |
0 |
NA |
September
2013 |
0 |
0 |
NA |
October
2013 |
0 |
0 |
NA |
Table
9-2 Statistical
Summary of Environmental Summons
Reporting Period |
Environmental Complaint Statistics |
||
Frequency |
Cumulative |
Complaint Nature |
|
August
2013 |
0 |
0 |
NA |
September
2013 |
0 |
0 |
NA |
October
2013 |
0 |
0 |
NA |
Table
9-3 Statistical
Summary of Environmental Prosecution
Reporting Period |
Environmental Complaint Statistics |
||
Frequency |
Cumulative |
Complaint Nature |
|
August
2013 |
0 |
0 |
NA |
September
2013 |
0 |
0 |
NA |
October
2013 |
0 |
0 |
NA |
9.2.2
Since the construction works at the Contract
2, Contract 3, Contract 4 and Contract 6 are not yet commenced, no environmental
complaint, summons and prosecution are received in the Reporting Period
accordingly.
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 J.
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 Contract 5 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
filtration system; such as, silt curtain or sedimentation tank before
discharge. ¡P Replace silt curtain
materials if necessary |
Air Quality |
¡P Maintain damp / wet surface
on access road ¡P Keep slow speed in the sites ¡P All vehicles must use wheel
washing facility before off site ¡P Sprayed water during
breaking works |
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. |
11.1.1
This is 1st monthly EM&A report presenting the
monitoring results and inspection findings for the Reporting Period from 16 August to 31 October 2013.
11.1.2
No
1-hour TSP and 24-hour TSP monitoring results that triggered the Action or
Limit Level was recorded in this Reporting Period.
11.1.3
No noise complaint (which is an Action Level exceedance)
was received and no construction noise measurement results
exceeded the Limit Level were recorded in this Reporting Period.
11.1.4
For water quality monitoring, no Action/
Limit exceedances were triggered according to the set out water quality
criteria. No NOEs or the
associated corrective actions were therefore issued.
11.1.5
During
the Reporting Period, 11
events of the joint site inspections were undertaken at Contract 5 to evaluate
the site environmental performance. No adverse environmental impacts were observed during the weekly site
inspection and environmental audit of the Reporting Period, indicating the
implemented mitigation measures for air quality, construction noise and water
quality were effective. Minor
deficiencies found in the weekly site inspection were in general rectified
within the specified deadlines. The
environmental performance of the Project was therefore considered satisfactory.
11.1.6
No documented complaint, notifications of
summons and successful prosecutions were received during the Reporting
Period.
11.2.1
During dry season,
special attention should be paid on the potential construction dust impact
since most of the construction sites are adjacent to villages. The Contractor should fully implement
the construction dust mitigation measures properly.
11.2.2 Moreover, muddy water and other water quality pollutants via site
surface water runoff get into Kong Yiu Channel or to public areas should be avoided. Mitigation measures for
water quality should be properly implemented.
11.2.3 Construction noise should be a key environmental impact during the
works. The noise mitigation
measures such as use of quiet plants or temporary noise barrier installation at
the construction noise predominate area should be implemented as accordance
with the EM&A requirement.
11.2.4 Mosquito
control measures should be continued to prevent mosquito breeding on site.
11.2.5
To control the site performance on waste management, the
Contractor shall ensure that all solid and liquid waste management works are
fully in compliance with the relevant license/permit requirements, such as the
effluent discharge license and the chemical waste producer registration. The Contractor is also reminded to
implement the recommended environmental mitigation measures according to the Environmental Monitoring and Audit
Manual.