TABLE OF CONTENTS
Page
EXECUTIVE
SUMMARY 3
1
introduction 5
1.1 Background 5
1.2 Scope
of Report 5
1.3 Contract
Organization 7
1.4 Summary
of Construction Works 8
2
Summary of EM&A Programme Requirements 9
2.1 Monitoring
Parameters 9
2.2 Environmental
Quality Performance (Action/Limit Levels) 12
2.3 Environmental
Mitigation Measures 12
3
MONITORING Results 13
3.1 Air
Quality Monitoring 13
3.2 Noise
Monitoring 15
3.3 Water
Quality Monitoring 16
3.4 Dolphin
Monitoring 17
3.5 Environmental
Site Inspection and Audit 18
4
Advice on the Solid and Liquid Waste Management Status 19
4.1 Summary
of Solid and Liquid Waste Management 19
5
Implementation Status of Environmental Mitigation Measures 20
5.1 Implementation
Status of Environmental Mitigation Measures 20
6
Summary of Exceedances of the Environmental Quality Performance Limit 22
6.1 Summary
of Exceedances of the Environmental Quality Performance Limit 22
7
Summary of Complaints, Notification of Summons and Successful
Prosecutions 23
7.1 Summary
of Environmental Complaints, Notification of Summons and Successful
Prosecutions 23
8
Comments, recommendations and Conclusions 24
8.1 Comments
on mitigation measures 24
8.2 Recommendations
on EM&A Programme 25
8.3 Conclusions 26
List of Tables
Table 1.1
Contact Information of Key Personnel
Table 3.1
Summary of Number of Exceedances for 1-hr & 24-hr TSP Monitoring
Table 3.3
Summary of Number of Monitoring Exceedances for Impact Noise
Figures
Figure
1 General
Contract Layout Plan
Figure
2 Impact Air
Quality and Noise Monitoring Stations and Wind Station
Figure
3 Impact
Water Quality Monitoring Stations
Figure
4 Impact
Dolphin Monitoring Line Transect Layout Map
Figure
5 Environmental
Complaint Handling Procedure
List of Appendices
Appendix
A Contract Organization for Environmental
Works
Appendix
B Three Month Rolling Construction Programmes
Appendix
C Implementation Schedule of Environmental
Mitigation Measures (EMIS)
Appendix
D Summary of Action and Limit Levels
Appendix
E Quarterly Summary of Waste Flow Table
Appendix
F Cumulative Statistics on Exceedances,
Complaints, Notifications of Summons and Successful Prosecutions
Appendix
G Event Action Plan
EXECUTIVE SUMMARY
Contract No. HY/2010/02 ¡V Hong Kong-Zhuhai-Macao Bridge
Hong Kong Boundary Crossing Facilities ¡V Reclamation Works (here below, known
as ¡§the Contract¡¨) mainly comprises reclamation at the northeast of
the Hong Kong International Airport of
an area of about 130-hectare for the
construction of an artificial island for the development of the Hong Kong
Boundary Crossing Facilities (HKBCF), and about 19-hectare for the southern
landfall of the Tuen Mun - Chek Lap Kok Link (TMCLKL). It is
a designated Project and is governed by the current permits for the Project,
i.e. the amended Environmental Permits (EPs) issued on 11 April 2016
(EP-353/2009/K) and 13 March 2015 (EP-354/2009/D) (for TMCLKL Southern Landfall
Reclamation only).
Ove Arup & Partners Hong Kong Limited (Arup) was
appointed by Highways Department (HyD) as the
consultants for the design and construction assignment for the Project¡¦s
reclamation works (i.e. the Engineer for the Contract).
China Harbour Engineering
Company Limited (CHEC) was awarded by HyD as the
Contractor to undertake the construction work of the Contract.
Ramboll Hong Kong Limited was
employed by HyD as the Independent Environmental
Checker (IEC) and Environmental Project Office (ENPO) for the Project.
AECOM Asia Co. Ltd. (AECOM) was appointed by CHEC to
undertake the role of Environmental Team for the Contract for carrying out the
environmental monitoring and audit (EM&A) works.
The construction phase of the Project under the EPs was
commenced on 12 March 2012. The EM&A programme,
including air quality, noise, water quality and dolphin monitoring and
environmental site inspections, was commenced on 12 March 2012.
The
EM&A programme of this Contract was completed by the end of April 2018, as
such this report documents the findings of EM&A works conducted in the
period between 1 March 2018 ¡V 30 April 2018. For further information on
confirming termination of EM&A programme and leading to a shorter cut-off
of the reporting quarter, please refer to section 2.1.12. As informed by the
Contractor, major activities in the reporting quarter were:-
Land-base
-
Maintenance works of Site Office at Works Area WA2
(WA2 was evacuated in the end of Mar 2018 and pending
for handover)
A summary of monitoring* and
audit activities conducted in the reporting quarter is listed below:
Joint Environmental site inspection
|
9 sessions
|
*monitoring works for the Contract are covered by Contract No.
HY/2013/01 Hong Kong-Zhuhai Macao Bridge HKBCF ¡V Passenger Clearance Building.
Breaches of Action and Limit
Levels for Air Quality
For impact air quality monitoring,
no action or limit level exceedance of 24-Hour TSP or 1-hour TSP impact air
quality monitoring result was recorded at all monitoring stations by
Environmental Team of Contract No. HY/2013/01 in the reporting period.
Breaches of Action and Limit
Levels for Noise
For construction noise, no
exceedance was recorded at all monitoring stations by the Environmental Team of
Contract No. HY/2013/01 in the reporting period.
Breaches of Action and Limit
Levels for Water Quality
In March 2018, for impact water
quality monitoring, 1 action level exceedance of suspended solids at IS7 during
flood tide on 21 March 2018. After investigation, no marine-based work was
conducted on the monitoring date as confirmed by the contractor. It was
concluded that the recorded exceedance not Contract-related. No other water
quality exceedance was recorded at all monitoring stations by Environmental
Team of Contract No. HY/2013/01 in the reporting quarter. For level of
exceedance, location and when exceedances were recorded, please refer to
Appendix D of monthly EM&A report of March 2018.
In April 2018, for impact water
quality monitoring, 3 action level exceedances of suspended solids at SR7
during flood tide on 18 and 23 April 2018, and at IS10(N)
during flood tide on 20 April 2018. After investigation, no marine-based work
was conducted on the monitoring dates as confirmed by the contractor. It was
concluded that the recorded exceedances were not Contract-related. No other
water quality exceedance was recorded at all monitoring stations by
Environmental Team of Contract No. HY/2013/01 in the reporting quarter. For level
of exceedance, location and when exceedances were recorded, please refer to
Appendix D of monthly EM&A report of April 2018.
Breaches of Action and Limit
Levels for Impact Dolphin Monitoring
Impact dolphin monitoring
results at all transects are reported in the EM&A Report prepared for
Contract No. HY/2013/01.
Implementation Status and Review of Environmental
Mitigation Measures
Most of the recommended mitigation measures, as
included in the EM&A programme, were implemented properly in the reporting
quarter.
The
recommended environmental mitigation measures effectively minimize the
potential environmental impacts from the Project. The EM&A programme
effectively monitored the environmental impacts from the construction
activities and ensure the proper implementation of mitigation measures. No
particular recommendation was advised for the improvement of the programme.
Moreover,
regular review and checking on the construction methodologies, working
processes and plants were carried out to ensure the environmental impacts were
kept minimal and recommended environmental mitigation measures were implemented
effectively.
Complaint,
Notification of Summons and Successful Prosecution
No complaint, notification of
summons or prosecution was received in the reporting period.
Reporting
Change
No reporting change in this
reporting period.
1
introduction
1.1
Background
1.1.1
Contract No. HY/2010/02 ¡V Hong Kong-Zhuhai-Macao Bridge Hong Kong
Boundary Crossing Facilities ¡V Reclamation Works (here below, known as ¡§the
Contract¡¨) mainly comprises reclamation at the northeast of
the Hong Kong International Airport of
an area of about 130-hectare for the
construction of an artificial island for the development of the Hong Kong
Boundary Crossing Facilities (HKBCF), and about 19-hectare for the southern
landfall of the Tuen Mun - Chek Lap Kok Link (TMCLKL).
1.1.2
The environmental impact assessment (EIA)
reports (Hong Kong ¡V Zhuhai ¡V Macao
Bridge Hong Kong Boundary Crossing Facilities ¡V EIA Report (Register No.
AEIAR-145/2009) (HKBCFEIA) and Tuen Mun ¡V Chek Lap Kok Link ¡V EIA Report (Register No. AEIAR-146/2009)
(TMCLKLEIA), and their environmental monitoring and audit (EM&A) Manuals
(original EM&A Manuals), for the Project were approved by Environmental
Protection Department (EPD) in October 2009.
1.1.3
EPD subsequently issued the Environmental
Permit (EP) for HKBCF in November 2009 (EP-353/2009) and the Variation of
Environmental Permit (VEP) in June 2010 (EP-353/2009/A), November
2010 (EP-353/2009/B), November 2011 (EP-353/2009/C), March
2012 (EP-353/2009/D), October 2012 (EP-353/2009/E), April 2013 (EP-353/2009/F),
August 2013 (EP-353/2009/G), January 2015 (EP-353/2009/H), July 2015
(EP-353/2009/I), February 2016 (EP-353/2009/J) and April 2016 (EP-353/2009/K).
Similarly, EPD issued the Environmental Permit (EP) for TMCLKL in November 2009
(EP-354/2009) and the Variation of Environmental Permit (VEP) in December 2010 (EP-354/2009/A),
January 2014 (EP-354/2009/B), December 2014 (EP-354/2009/C) and March 2015
(EP-354/2009/D).
1.1.4
The Project is a designated Project and is governed by the current
permits for the Project, i.e. the amended EPs issued on 11 April 2016 (EP-353/2009/K)
and 13 March 2015 (EP-354/2009/D) (for TMCLKL Southern Landfall Reclamation
only).
1.1.5
A Contract Specific EM&A Manual, which included all Contract
-relation contents from the original EM&A Manuals for the Contract, was
issued in May 2012.
1.1.6
Ove Arup & Partners Hong Kong Limited (Arup) was appointed by
Highways Department (HyD) as the consultants for the
design and construction assignment for the Project¡¦s reclamation works (i.e.
the Engineer for the Contract).
1.1.7
China Harbour Engineering Company Limited
(CHEC) was awarded by HyD as the Contractor to
undertake the construction work of the Contract.
1.1.8
Ramboll Hong Kong Limited was employed by HyD as the Independent Environmental Checker (IEC) and
Environmental Project Office (ENPO) for the Project.
1.1.9
AECOM Asia Co. Ltd. (AECOM) was appointed by CHEC to undertake the role
of Environmental Team for the Contract for carrying out the EM&A works.
1.1.10 The construction phase of the Project under the EPs was
commenced on 12 March 2012.
1.1.11 According
to the Contract Specific EM&A Manual, there is a need of an EM&A programme including air quality, noise, water quality and
dolphin monitoring and environmental site inspections. The EM&A programme of the Contract commenced on 12 March 2012.
1.2
Scope of Report
1.2.1 This is
the twenty fifth quarterly EM&A Report under the Contract No. HY/2010/02
Hong Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities ¡V
Reclamation Works. This report presents a summary of the environmental
monitoring and audit works, list of activities and mitigation measures proposed
by the ET for the Contract from 1 March 2018 to 30 April 2018. For further
information on confirming termination of EM&A programme
and leading to a shorter cut-off of the reporting quarter, please refer to
section 2.1.12.
1.3
Contract Organization
1.3.1 The
Contract organization structure is shown in Appendix A. The key personnel contact
names and numbers are summarized in Table 1.1.
Table
1.1 Contact Information
of Key Personnel
Party
|
Position
|
Name
|
Telephone
|
Fax
|
Engineer¡¦s Representative (ER)
(Ove
Arup & Partners Hong Kong Limited)
|
Chief Resident
Engineer
|
Paul Appleton
|
3698 5889
|
2698 5999
|
Senior Resident
Engineer
|
Anthony Wong
|
36985868
|
3698 5999
|
IEC / ENPO
(Ramboll Hong Kong Limited)
|
Independent
Environmental Checker
|
Raymond Dai
|
3465 2888
|
3465 2899
|
Environmental
Project Office Leader
|
Y. H. Hui
|
3465 2850
|
3465 2899
|
Contractor
(China
Harbour Engineering Company Limited)
|
Environmental
Officer
|
Louie Chan
|
3693 2254
|
2578 0413
|
24-hour Hotline
|
Alan C.C. Yeung
|
9448 0325
|
--
|
ET
(AECOM
Asia Company Limited)
|
ET Leader
|
Echo Leong
|
3922 9280
|
2317 7609
|
1.4
Summary of Construction Works
1.4.1
The construction phase of the Project under the EP commenced on 12 March
2012.
1.4.2
As informed by the Contractor, details of the major works carried out in
the reporting quarter are listed below:-
Land-base
-
Maintenance works of Site Office at Works Area WA2
(WA2 was evacuated in the end of Mar 2018 and pending
for handover)
1.4.3
The 3-month rolling construction programme of
the Contract is shown in Appendix B. As informed by the Contractor, only touch
up works were carried out under Contract no. HY/2010/02 in the reporting
quarter. Contractor¡¦s planning team confirmed that major works
(outfall/reinstatement of seawall) were completed in February 2018 and there
was no update on the construction programme in the
reporting period. Please refer to Appendix B of Monthly EM&A report
for January 2018 for 3-months rolling programme.
1.4.4
The general layout plan of the Contract site showing the detailed works
areas is shown in Figure 1.
1.4.5
The environmental mitigation measures implementation schedule are
presented in Appendix C.
2
Summary
of EM&A Programme Requirements
2.1
Monitoring Parameters
2.1.1
The Contract Specific EM&A Manual designated 4 air quality
monitoring stations, 2 noise monitoring stations, 21 water monitoring stations
(9 Impact Stations, 7 Sensitive Receiver Stations and 5 Control/Far Field
Stations) to monitor environmental impacts on air quality, noise and water
quality respectively. Pre-set and fixed transect line vessel based dolphin
survey was required in two AFCD designated areas (Northeast and Northwest
Lantau survey areas). The impact dolphin monitoring at each survey area should
be conducted twice per month.
2.1.2
For impact air quality monitoring, monitoring locations AMS2 (Tung Chung
Development Pier) and AMS7 (Hong Kong SkyCity
Marriott Hotel) were set up at the proposed locations in accordance with
Contract Specific EM&A Manual. The conditional omission of Monitoring
Station AMS6 was effective since 19 November 2012. For monitoring location AMS3
(Ho Yu College), as proposed in the Contract Specific EM&A Manual, approval
for carrying out impact monitoring could not be obtained from the principal of
the school. Permission on setting up and carrying out impact monitoring works
at nearby sensitive receivers, like Caribbean Coast and Coastal Skyline, was
also sought. However, approvals for carrying out impact monitoring works
within their premises were not obtained. Impact air quality monitoring was
conducted at site boundary of the site office area in Works Area WA2 (AMS3B)
respectively. Same baseline and Action Level for air quality, as derived from
the baseline monitoring data recorded at Ho Yu College, was adopted for this
alternative air quality location.
2.1.3
For impact noise monitoring, monitoring locations NMS2 (Seaview Crescent
Tower 1) was set up at the proposed locations in accordance with Contract
Specific EM&A Manual. However, for monitoring location NMS3 (Ho Yu
College), as proposed in the Contract Specific EM&A Manual, approval for
carrying out impact monitoring could not be obtained from the principal of the
school. Permission on setting up and carrying out impact monitoring works at
nearby sensitive receivers, like Caribbean Coast and Coastal Skyline, was also
sought. However, approvals for carrying out impact monitoring works
within their premises were not obtained. Impact noise monitoring was conducted
at site boundary of the site office area in Works Area WA2 (NMS3B)
respectively. Same baseline noise level, as derived from the baseline
monitoring data recorded at Ho Yu College was adopted for this alternative
noise monitoring location. Reference is made to ET¡¦s proposal of relocation of
air quality monitoring station (AMS7) dated on 2 February 2015, with
no further comment received from IEC on 2 February 2015 and no objection
received from EPD on 5 February 2015, the impact air quality monitoring station
AMS7 (Hong Kong SkyCity Marriott Hotel) has been
relocated to AMS7A (Chu Kong Air-Sea Union Transportation Company Limited) on 3
February 2015. Action Level for air quality, as derived from the baseline
monitoring data recorded at Hong Kong SkyCity Marriott
Hotel, was adopted for this alternative air quality location.
2.1.4
As informed by the premises owner of (AMS7A) - Chu Kong Air-Sea Union
Transportation Co. LTD would not grant us the permission to install air quality
monitoring equipment (High volume sampler) and conduct 1-hour TSP/24 hour TSP
monitoring at the premises of Chu Kong Air-Sea Union Transportation Co. LTD
after December 2015. In order to fulfil the EM&A requirement of this
Contract, as permission to conduct impact air quality monitoring at the premise
of Hong Kong SkyCity Marriott Hotel has been granted
in December 2015, ET proposed relocation of air quality monitoring station
(AMS7A) on 15 December 2015, with no further comment received from IEC on 15
December 2015 and no particular comment received from EPD on 21 December 2015,
the impact air quality monitoring station AMS7A (Chu Kong Air-Sea Union
Transportation Company Limited) has been relocated to AMS7 (Hong Kong SkyCity Marriott Hotel) on 30 December 2015. The impact air
quality monitoring for December 2015 was conducted before the relocation of AQM
Station from AMS7A to AMS7. The impact air quality monitoring has been
conducted at AMS7 (Hong Kong SkyCity Marriott Hotel)
since 1 January 2016, Action Level for air quality, as derived from the
baseline monitoring data recorded at Hong Kong SkyCity
Marriott Hotel will be adopted for this air quality monitoring location.
2.1.5
In accordance with the Contract Specific EM&A Manual, twenty-one
stations were designated for impact water quality monitoring. The nine Impact
Stations (IS) were chosen on the basis of their proximity to the reclamation
and thus the greatest potential for water quality impacts, the seven Sensitive
Receiver Stations (SR) were chosen as they are close to the key sensitive
receives and the five Control/ Far Field Stations (CS) were chosen to
facilitate comparison of the water quality of the IS stations with less
influence by the Project/ ambient water quality conditions.
2.1.6
Due to safety concern and topographical condition of the original
locations of SR4 and SR10B, alternative impact water quality monitoring
stations, naming as SR4(N) and SR10B(N), were adopted, which are situated in
vicinity of the original impact water quality monitoring stations (SR4 and
SR10B) and could be reachable. Same baseline and Action Level for water
quality, as derived from the baseline monitoring data recorded, were adopted
for these alternative impact water quality monitoring stations.
2.1.7
The monitoring locations used during the reporting quarter are depicted
in Figures 2, 3 and 4 respectively.
2.1.8
Due to the commencement of marine work of the Expansion of Hong Kong
International Airport into a Three-Runway System
(3RS Project), a large portion of
works site boundary will be established at the northern
part of the existing airport Island. The recent arrangement of works boundary
of 3RS Project which delineates the boundary of the designated 3RS Project (for
the indicative 3RS boundary, please refer to Figure 5). The works area of
3RS project will affect several water quality monitoring stations and the
dolphin monitoring transect lines which are
being used for conducting monitoring under
Contract No. HY/2010/02. The EM&A Programme
for the HZMB HKBCF Project will therefore be affected. As a result, a proposal
was prepared by ET in September 2016 in accordance with condition 5.1 of
EP-353/2009/K and condition 4.1 of EP-354/2009/D, to relocate water quality
monitoring stations from SR5, IS10, CS(Mf)3 and alternate the transect
lines of impact dolphin monitoring 2, 3, 4, 5, 6 and 7. A revised
proposal has been updated and sent to IEC/ENPO for their further review on 24
March 2017 and IEC/ENPO verified the revised proposal on the same date. The
revised proposal has been sent to authority by project team for review and
approval on 3 April 2017. The authority subsequently approved the proposal on
12 May 2017.
2.1.9
Due to substantial completion of marine works by the end of June 2017,
it is anticipated that the remaining construction works under Contract No.
HY/2010/02, which include ground investigation (GI) works, construction of
temporary timber platform, removal of jetty and reinstatement of seawall at the
western section, construction of outfall at the eastern seawall, would cause
limited disturbance to water column and not to the seabed. In view of this, a
proposal for change of EM&A programme/requirements
was prepared by ET in accordance with Condition 5.1 of EP-353/2009/K and
Condition 4.1 of EP-354/2009/D, to terminate water quality monitoring works at
stations IS5, IS(Mf)6, IS8, SR4(N), SR5(N), SR6, SR10A, SR10B(N), CS4, CSA and
CS6, and impact dolphin monitoring (line-transect vessel survey method)
covering NEL and NWL when perimeter silt curtain under the Contract is
completely removed and vessel traffic numbers average 10 per month for Contract
No. HY/2010/02. A revised proposal has been updated and sent to IEC/ENPO for
their further review on 15 August 2017 and IEC/ENPO verified the revised
proposal on 16 August 2017. The revised proposal has been sent to authority by
project team for review and approval on 21 August 2017. The authority
subsequently approved the proposal on 7 September 2017.
2.1.10
As informed by IEC/ENPO on 27 December 2017, three water quality
monitoring stations of SR3, SR10(A) and SR10B(N) were
relocated due to topographical condition. Alternative water quality monitoring
stations SR3(N), SR10A(N) and SR10B(N2) were justified
and certified by the ET Leader of Contract No. HY/2013/01 on 8 November 2017,
verified by IEC/ENPO on 13 November 2017. The proposal was submitted to
the authority for review and approval on 29 November 2017. The authority
subsequently approved the proposal on 22 December 2017. Relocation of water
quality monitoring stations from SR3, SR10(A) and
SR10B(N) to SR3(N), SR10A(N) and SR10B(N2) are adopted effective from 22
December 2017.
2.1.11
As informed by IEC/ENPO on 26 February 2018,
air quality monitoring station AMS7 was relocated due to permission to carry
out AQM at Hong Kong SkyCity Marriott Hotel could not
be granted after the end of January 2018. Alternative air quality monitoring
station AMS7B was justified and certified by ET Leader of Contract No.
HY/2013/01 on 22 January 2018, verified by IEC/ENPO on 24 January 2018. The
proposal was submitted to the authority for review and approval on 30 January
2018. Relocation of air quality monitoring stations from AMS7 to AMS7B is
adopted effective from 6 February 2018 with the authority¡¦s consent.
2.1.12
As informed by the Contractor, major
construction activities for Contract no. HY/2010/02 has been substantially
completed and it is anticipated that potential environmental impact for
remaining works which only include ad hoc minor maintenance/touch up works on
seawall under the Contract would be insignificant. In view of this, a proposal
for Termination of EM&A Programme was prepared
and certified by ET in accordance with Condition 5.1 of EP-353/2009/K and
Condition 4.1 of EP-354/2009/D to terminate the EM&A Programme
for Contract no. HY/2010/02. The proposal has been sent to IEC/ENPO for their
further review on 17 April 2018 and IEC/ENPO verified the proposal on 18 April
2018. The proposal has been sent to authority by project team on 19 April 2018.
The proposal was subsequently approved by the authority.
2.1.13
The Contract Specific EM&A Manual also required environmental site
inspections for air quality, noise, water quality, chemical, waste management,
marine ecology and landscape and visual impact.
2.2
Environmental Quality Performance (Action/Limit Levels)
2.2.1
The environmental quality performance limits (i.e. Action and/or Limit
Levels) of air and water quality monitoring were derived from the baseline air
and water quality monitoring results at the respective monitoring stations,
while the environmental quality performance limits of noise monitoring were
defined in the EM&A Manual.
2.2.2
The environmental quality performance limits of air quality, noise and
water monitoring are given in Appendix D.
2.3
Environmental Mitigation Measures
2.3.1
Relevant environmental mitigation measures were stipulated in the
Particular Specification and EPs (EP-353/2009/K and EP-354/2009/D) (for TMCLKL
Southern Landfall Reclamation only) for the Contractor to adopt. A list of
environmental mitigation measures and their implementation statuses are given
in Appendix C.
3
MONITORING Results
3.1
Air Quality Monitoring
3.1.1
In accordance with the Contract Specific EM&A Manual, impact 1-hour
Total Suspended Particulates (TSP) monitoring was conducted for at least three
times every 6 days, while impact 24-hour TSP monitoring was carried out for at
least once every 6 days at the 4 monitoring stations (AMS2, AMS3B, AMS6 and
AMS7B).
3.1.2
The air quality monitoring works for the Contract are covered by
Contract No. HY/2013/01 Hong Kong-Zhuhai Macao Bridge HKBCF ¡V Passenger
Clearance Building.
3.1.3
The monitoring requirements, monitoring equipment, monitoring
parameters, frequency and duration, monitoring methodology, monitoring schedule
and meteorological information are detailed in the monthly EM&A Reports
prepared for Contract No. HY/2013/01.
3.1.4
The ET of the Contract or other ET of the HZMB project is required to
conduct air quality monitoring at AMS2, AMS3B and AMS7B as part of EM&A programme if these air quality monitoring stations are no
longer covered under Contract No. HY/2013/01.
3.1.5
The monitoring locations for impact air quality monitoring are depicted
in Figure 2. However, for AMS6 (Dragonair/CNAC
(Group) Building), permission on setting up and carrying out impact monitoring
works was sought, however, access to the premise has not been granted yet on
this report issuing date.
3.1.6
As informed by IEC/ENPO on 28 September 2017, air quality monitoring
station (AMS3B) and the meteorological station were relocated to AECOM PRE¡¦s
Office effective since 1 September 2017.
3.1.7
As informed by IEC/ENPO on 26 February 2018, air quality monitoring
station AMS7 was relocated to AMS7B effective since 6 February 2018 due to
permission to carry out AQM at Hong Kong SkyCity
Marriott Hotel could not be granted after the end of January 2018.
3.1.8
The number of exceedances recorded in each month of the reporting
quarter are presented in Table Table 3.1.
Table 3.1
Summary of Number
of Exceedances for 1-hr & 24-hr TSP Monitoring
Monitoring Parameter
|
Location
|
Level of Exceedance
|
Numbers of Exceedance
|
March 18
|
April 18
|
1-hr
TSP
|
AMS2
|
Action
|
0
|
0
|
Limit
|
0
|
0
|
AMS3B
|
Action
|
0
|
0
|
Limit
|
0
|
0
|
AMS7B
|
Action
|
0
|
0
|
Limit
|
0
|
0
|
|
Total
|
0
|
0
|
24-hr
TSP
|
AMS2
|
Action
|
0
|
0
|
Limit
|
0
|
0
|
AMS3B
|
Action
|
0
|
0
|
Limit
|
0
|
0
|
AMS7B
|
Action
|
0
|
0
|
Limit
|
0
|
0
|
|
Total
|
0
|
0
|
3.1.9
The monitoring results for 1-hour TSP and 24-hour TSP are reported in
the monthly EM&A Report prepared for Contract No. HY/2013/01.
3.1.10
No 1-hour and 24-hour action and limit level exceedances was recorded at
all monitoring stations by Environmental Team of Contract No. HY/2013/01 in the
reporting period.
3.1.11
The event action plan is annexed in Appendix G.
3.1.12
Meteorological information collected from the wind station during the
monitoring periods on the monitoring dates, as shown in Figure 2, including
wind speed and wind direction, was recorded at all monitoring stations and
reported by Environmental Team of Contract No. HY/2013/01 in the reporting
period.
3.2
Noise Monitoring
3.2.1
Impact noise monitoring was conducted at the 2 monitoring stations (NMS2
and NMS3B) for at least once per week during 07:00 ¡V 19:00 in the reporting
quarter.
3.2.2
The monitoring locations used during the reporting quarter are depicted
in Figure 2.
3.2.3
The impact noise monitoring works for the Contract are covered by
Contract No. HY/2013/01 Hong Kong-Zhuhai Macao Bridge HKBCF ¡V Passenger
Clearance Building.
3.2.4
The monitoring requirements, monitoring equipment, monitoring
parameters, frequency and duration, monitoring methodology and monitoring
schedule are detailed in the monthly EM&A Reports prepared for Contract No.
HY/2013/01.
3.2.5
The ET of the Contract or other ET of the HZMB project is required to
conduct impact noise monitoring at NMS2 and NMS3B as part of EM&A programme if these impact noise monitoring stations are no
longer covered under Contract No. HY/2013/01.
3.2.6
If exceedance(s) is/are recorded by the ET of the Contract or referred
by the other ET under the HZMB project to the contract, the ET of the Contract
will carry out an investigation and findings will be reported in the monthly
EM&A Report.
3.2.7
No Action or Limit Level Exceedance of construction noise was recorded
in the reporting quarter.
3.2.8
Major noise sources during the noise monitoring included construction
activities of the Project and nearby traffic noise.
3.2.9
The number of exceedances are summarized in and Table 3.3.
Table 3.3
Summary of Number
of Monitoring Exceedances for Impact Noise
Monitoring Parameter
|
Location
|
Level of Exceedance
|
Number of Exceedance
|
March 18
|
April 18
|
NMS2
|
Action
|
0
|
0
|
Limit
|
0
|
0
|
NMS3B
|
Action
|
0
|
0
|
Limit
|
0
|
0
|
|
Total
|
0
|
0
|
3.2.10
The graphical plots of the trends of the
monitoring results are provided by Contract No. HY/2013/01. No specific trend of the
monitoring results or existence of persistent pollution source was noted.
3.2.11
The event action plan is annexed in Appendix G.
3.3
Water Quality Monitoring
3.3.1
The monitoring locations used during the reporting quarter are depicted
in Figure 3.
3.3.2
In March 2018, for impact water quality monitoring, 1 action level
exceedance of suspended solids at IS7 during flood tide on 21 March 2018. After
investigation, no marine-based work was conducted on the monitoring date as
confirmed by the contractor. It was concluded that the recorded exceedance not
Contract-related. No other water quality exceedance was recorded at all
monitoring stations by Environmental Team of Contract No. HY/2013/01 in the
reporting quarter. For level of exceedance, location and when exceedances were
recorded, please refer to Appendix D of monthly EM&A report of March 2018.
3.3.2.1 The
detailed Investigation Reports No. W128 (including the cause of exceedance and
recommendation for mitigation) for action or limit level non-compliance was
provided in Appendix E of monthly EM&A report of reporting quarter.
3.3.3
In April 2018, for impact water quality monitoring, 3 action level
exceedances of suspended solids at SR7 during flood tide on 18 and 23 April
2018, and at IS10(N) during flood tide on 20 April
2018. After investigation, no marine-based work was conducted on the monitoring
dates as confirmed by the contractor. It was concluded that the recorded
exceedances were not Contract-related. No other water quality exceedance was
recorded at all monitoring stations by Environmental Team of Contract No.
HY/2013/01 in the reporting quarter. For level of exceedance, location and when
exceedances were recorded, please refer to Appendix D of monthly EM&A
report of April 2018.
3.3.3.1 The
detailed Investigation Reports No. W129-131 (including the cause of exceedance
and recommendation for mitigation) for action or limit level non-compliance was
provided in Appendix E of monthly EM&A report April 2018.
3.3.4
No other exceedance was recorded at all monitoring stations in the
reporting quarter.
3.3.5
The event action plan is annexed in Appendix G.
3.4
Dolphin Monitoring
3.4.1
The layout map of impact dolphin monitoring have been provided by AFCD and
is shown in Figure 4.
3.4.2
The monitoring results for impact dolphin monitoring are reported in the
monthly EM&A Reports (for March 2018 to April 2018) prepared for
Contract No. HY/2013/01.
3.5
Environmental Site Inspection and Audit
3.5.1
Site Inspections were carried out on a weekly basis to monitor the
implementation of proper environmental pollution control and mitigation
measures for the Project. In the reporting quarter, 9 site inspections were
carried out. Recommendations on remedial actions were given to the Contractors
for the deficiencies identified during the site audits.
3.5.2
Particular observations during the site inspections are described below:
Air Quality
3.5.3
Excavator without NRMM label was observed on 22 February 2018. The
Contractor was reminded to affix appropriate NRMM label on the concerned
excavator. The Contractor subsequently affixed appropriate NRMM label on the
excavator. (Closed)
3.5.4
Excavator without NRMM label was observed on 1 March 2018. The
Contractor was reminded to affix appropriate NRMM label. The Contractor
subsequently affixed appropriate NRMM label on the concerned Excavator.
(Closed)
Noise
3.5.5
No relevant adverse impact was observed in the reporting period.
Water
Quality
3.5.6
No relevant adverse impact was observed in the reporting period.
Chemical
and Waste Management
3.5.7
Oil stain was observed on 8 February 2018. The Contractor should repair the
concerned excavator at once before using and provide regular inspection and
maintenance. As informed by the Contractor, the concerned excavator was
repaired. (Closed)
3.5.8
The Contractor was reminded to clear general refuse observed at the
entrance of site office at WA2 and keep the site clean and tidy on 26 April
2018. (reminder)
Landscape
and Visual Impact
3.5.9
No relevant adverse impact was observed in the reporting quarter.
Others
3.5.10
Rectifications of remaining identified items are undergoing by the
Contractor. Follow-up inspections on the status on provision of mitigation
measures will be conducted to ensure all identified items are mitigated
properly.
4
Advice
on the Solid and Liquid Waste Management Status
4.1
Summary of Solid and Liquid Waste Management
4.1.1
The Contractor had registered as a chemical waste producer for this
Project. Receptacles were available for general refuse collection and sorting.
4.1.2
As advised by the Contractor, 3920 kg of paper/cardboard packaging and
39m3 of general refuse were generated and disposed of in the
reporting period.
4.1.3
Monthly summary of waste flow table is detailed in Appendix E.
4.1.4
The Contractor is advised to properly maintain on site C&D materials
and wastes storage, collection, sorting and recording system, dispose of
C&D materials and wastes at designated ground and maximize reuse / recycle
of C&D materials and wastes. The Contractor is reminded to properly
maintain the site tidiness and dispose of the wastes accumulated on site
regularly and properly.
4.1.5
The Contractor is reminded that chemical waste should be properly
treated and stored temporarily in designated chemical waste storage area on
site in accordance with the Code of Practice on the Packaging, Labeling and
Storage of Chemical Wastes.
4.1.6
After checking with the Contractor, no surplus surcharge was exported to
Macau during the reporting quarter. The Contractor was reminded to ensure
consistency in quantities in case of any
C&D material disposed off-site and/or no
surcharge material removed off site.
5
Implementation
Status of Environmental Mitigation Measures
5.1
Implementation Status of Environmental Mitigation Measures
5.1.1
In response to the site audit findings, the Contractors carried out
corrective actions.
5.1.2
A summary of the Implementation Schedule of Environmental Mitigation
Measures (EMIS) is presented in Appendix C. Most of the recommended mitigation
measures are being upheld. Moreover, regular review and checking on the
construction methodologies, working processes and plants were carried out to
ensure the environmental impacts were kept minimal and recommended
environmental mitigation measures were implemented effectively.
5.1.3
Training of marine travel route for marine vessels operator was given to
relevant staff, as necessary, and relevant records were kept properly.
5.1.4
Regarding the implementation of dolphin monitoring and protection
measures (i.e. implementation of Dolphin Watching Plan, Dolphin Exclusion Zone and
Silt Curtain integrity Check), regular checks were conducted by experienced
MMOs within the works area to ensure that no dolphins were trapped by the silt
curtain area, as necessary. There were no dolphins spotted within the silt
curtain during this quarter. The relevant procedures were followed and all
measures were well implemented. The silt curtains were also inspected in
accordance to the submitted plan.
5.1.5
Acoustic decoupling measures on noisy plants on construction vessels
were checked regularly and the Contractor was reminded to ensure provision of
ongoing maintenance to noisy plants and to carry out improvement work once
insufficient acoustic decoupling measures were found.
5.1.6
Frequency of watering per day on exposed soil was checked; with
reference to the record provided by the Contract, watering was conducted at
least 8 times per day on reclaimed land. The frequency of watering is the
mainly refer to water truck. Sprinklers are only served to strengthen dust
control measure for busy traffic at the entrance of Portion D. As informed by
the Contractor, during the mal-function period of sprinkler, water truck will
enhance watering at such area. The Contractor was reminded to ensure provision
of watering of at least 8 times per day on all exposed soil within the
reporting period.
5.1.7
Due to the commencement of marine work of the Expansion of Hong Kong
International Airport into a Three-Runway System
(3RS Project), a large portion of
works site boundary will be established at the northern
part of the existing airport Island. The recent arrangement of works boundary
of 3RS Project which delineates the boundary of the designated 3RS Project (for
the indicative 3RS boundary, please refer to Figure 5). The works area of
3RS project will affect several water quality monitoring stations and the
dolphin monitoring transect lines which are
being used for conducting monitoring under
Contract No. HY/2010/02. The EM&A Programme
for the HZMB HKBCF Project will therefore be affected. As a result, a proposal
was prepared by ET in accordance with condition 5.1 of EP-353/2009/K and
condition 4.1 of EP-354/2009/D, to relocate water quality monitoring stations
from SR5, IS10, CS(Mf)3 and alternate the transect lines of dolphin
monitoring 2, 3, 4, 5, 6 and 7. A revised proposal has been updated and
sent to IEC/ENPO for their further review on 24 March 2017 and IEC/ENPO
verified the revised proposal on the same date. The revised proposal has been
sent to authority by project team for review and approval on 3 April 2017. The
authority subsequently approved the proposal on 12 May 2017
5.1.8
Due to substantial completion of marine works by the end of June 2017,
it is anticipated that the remaining construction works under Contract No.
HY/2010/02, which include ground investigation (GI) works, construction of
temporary timber platform, removal of jetty and reinstatement of seawall at the
western section, construction of outfall at the eastern seawall, would cause
limited disturbance to water column and not to the seabed. In view of this, a
proposal for change of EM&A programme/requirements
was prepared by ET in accordance with Condition 5.1 of EP-353/2009/K and
Condition 4.1 of EP-354/2009/D, to terminate water quality monitoring works at
stations IS5, IS(Mf)6, IS8, SR4(N), SR5(N), SR6, SR10A, SR10B(N), CS4, CSA and
CS6, and dolphin monitoring (line-transect vessel survey method) covering NEL
and NWL when perimeter silt curtain under the Contract is completely removed and
vessel traffic numbers average 10 per month for Contract No. HY/2010/02. A
revised proposal has been updated and sent to IEC/ENPO for their further review
on 15 August 2017 and IEC/ENPO verified the revised proposal on 16 August 2017.
The revised proposal has been sent to authority by project team for review and
approval on 21 August 2017. The authority subsequently approved the proposal on
7 September 2017.
5.1.9
The monthly EM&A programme was undertaken
in accordance with the Updated EM&A Manual for HKBCF (Version 1.0).
It should be noted that the air quality, noise, water quality and dolphin
monitoring works for the Contract are covered by Contract No. HY/2013/01 Hong
Kong-Zhuhai-Macao Bridge HKBCF ¡V Passenger Clearance Building effective since 1
September 2017. The ET of the Contract is required to conduct EM&A
monitoring as part of EM&A programme if these
monitoring stations are no longer covered under Contract No. HY/2013/01
5.1.10
As informed by IEC/ENPO on 27 December 2017, three water quality
monitoring stations of SR3, SR10(A) and SR10B(N) were
relocated due to topographical condition. Alternative water quality monitoring
stations SR3(N), SR10A(N) and SR10B(N2) were justified
and certified by the ET Leader of Contract No. HY/2013/01 on 8 November 2017,
verified by IEC/ENPO on 13 November 2017. The proposal was submitted to
the authority for review and approval on 29 November 2017. The authority
subsequently approved the proposal on 22 December 2017. Relocation of water
quality monitoring stations from SR3, SR10(A) and
SR10B(N) to SR3(N), SR10A(N) and SR10B(N2) are adopted effective from 22
December 2017.
5.1.11
Due to permission to carry out AQM at Hong Kong SkyCity
Marriott Hotel could not be granted after the end of January 2018, alternative
air quality monitoring station naming as AMS7B was justified and verified by
the ET Leader of Contract No. HY/2013/01 on 22 January 2018 and IEC/ENPO on 24
January 2018. Alternative air quality monitoring station AMS7B was submitted to
the authority on 30 January 2018 and effective from 6 February 2018 with the
authority¡¦s consent.
5.1.12
After review, no floating grout production was
in operation at any time in reporting period for Contract No.HY/2010/02. Condition 3.26A of EP-353/2009/K for Contract
No.HY/2010/02 is complied with during the reporting
quarter.
6
Summary
of Exceedances of the Environmental Quality Performance Limit
6.1
Summary of Exceedances of the Environmental Quality Performance Limit
6.1.1
For impact air quality monitoring, no action or limit level exceedance
of 24-Hour TSP or 1-hour TSP impact air quality monitoring result was recorded
at all monitoring stations by Environmental Team of Contract No. HY/2013/01 in
the reporting period.
6.1.2
For construction noise, no exceedance was recorded at all monitoring
stations by Environmental Team of Contract No. HY/2013/01 in the reporting
period.
6.1.3
For impact water quality monitoring:
6.1.3.1
In March 2018, for impact water quality monitoring, 1 action level
exceedance of suspended solids at IS7 during flood tide on 21 March 2018. After
investigation, no marine-based work was conducted on the monitoring date as
confirmed by the contractor. It was concluded that the recorded exceedance not
Contract-related. No other water quality exceedance was recorded at all
monitoring stations by Environmental Team of Contract No. HY/2013/01 in the
reporting quarter. For level of exceedance, location and when exceedances were
recorded, please refer to Appendix D of monthly EM&A report of March 2018.
6.1.3.2
In April 2018, for impact water quality monitoring, 3 action level
exceedances of suspended solids at SR7 during flood tide on 18 and 23 April
2018, and at IS10(N) during flood tide on 20 April
2018. After investigation, no marine-based work was conducted on the monitoring
dates as confirmed by the contractor. It was concluded that the recorded
exceedances were not Contract-related. No other water quality exceedance was
recorded at all monitoring stations by Environmental Team of Contract No.
HY/2013/01 in the reporting quarter. For level of exceedance, location and when
exceedances were recorded, please refer to Appendix D of monthly EM&A
report of April 2018.
6.1.4
For impact dolphin monitoring, impact dolphin monitoring results at all
transects are reported in the EM&A Report prepared for Contract No.
HY/2013/01.
6.1.5
Cumulative statistics on exceedances is provided in Appendix F.
7
Summary of Complaints, Notification of Summons and
Successful Prosecutions
7.1
Summary of Environmental Complaints, Notification of Summons and
Successful Prosecutions
7.1.1
The Environmental Complaint Handling Procedure is annexed in Figure 5.
7.1.2
No environmental complaint, notification of summons or prosecution was
received in the reporting quarter.
7.1.3
Statistics on complaints, notifications of summons and successful
prosecutions are summarized in Appendix N.
8
Comments,
recommendations and Conclusions
8.1
Comments on mitigation measures
8.1.1
According to the environmental site inspections performed in the
reporting quarter, the following recommendations were provided:
Air Quality Impact
¡P
All working plants and vessels on site should
be regularly inspected and properly maintained to avoid dark smoke emission.
¡P
All vehicles should be washed to remove any
dusty materials before leaving the site.
¡P
Haul roads should be sufficiently dampened to minimize fugitive dust
generation.
¡P
Wheel washing facilities should be properly maintained and reviewed to
ensure properly functioning.
¡P
Temporary exposed slopes and open stockpiles should be properly covered.
¡P
Enclosure should be erected for cement debagging, batching and mixing
operations.
¡P
Water spraying should be provided to suppress fugitive dust for any
dusty construction activity.
¡P
Regular review and provide maintenance to dust
control measures such as sprinkler system.
Construction Noise
Impact
¡P
Quieter powered mechanical equipment should be
used as far as possible.
¡P
Noisy operations should be oriented to a direction away from sensitive
receivers as far as possible.
¡P
Proper and effective noise control measures for operating equipment and
machinery on-site should be provided, such as erection of movable noise
barriers or enclosure for noisy plants. Closely check and replace the sound
insulation materials regularly
¡P
Vessels and equipment operating should be checked regularly and properly
maintained.
¡P
Noise Emission Label (NEL) shall be affixed to the air compressor and
hand-held breaker operating within works area.
¡P
Acoustic decoupling measures should be properly implemented for all
existing and incoming construction vessels with continuous and regularly
checking to ensure effective implementation of acoustic decoupling measures.
Water Quality
Impact
¡P
Regular review and maintenance of silt curtain systems, drainage systems
and desilting facilities in order to make sure they are functioning
effectively.
¡P
Construction of seawall should be completed as early as possible.
¡P
Regular inspect and review the loading process
from barges to avoid splashing of material.
¡P
Silt, debris and leaves accumulated at public drains, wheel washing bays
and perimeter u-channels and desilting facilities should be cleaned up
regularly.
¡P
Silty effluent should be treated/ desilted before discharged. Untreated
effluent should be prevented from entering public drain channel.
¡P
Proper drainage channels/bunds should be provided at the site boundaries
to collect/intercept the surface run-off from works areas.
¡P
Exposed slopes and stockpiles should be covered up properly during
rainstorm.
Chemical and Waste
Management
¡P
All types of wastes, both on land and floating in the sea, should be
collected and sorted properly and disposed of timely and properly. They should
be properly stored in designated areas within works areas temporarily.
¡P
All chemical containers and oil drums should be
properly stored and labelled.
¡P
All plants and vehicles on site should be properly maintained to prevent
oil leakage.
¡P
All kinds of maintenance works should be
carried out within roofed, paved and confined areas.
¡P
All drain holes of the drip trays utilized
within works areas should be properly plugged to avoid any oil and chemical
waste leakage.
¡P
Oil stains on soil surface and empty chemical containers should be
cleared and disposed of as chemical waste.
¡P
Regular review should be conducted for working barges and patrol boats
to ensure sufficient measures and spill control kits were provided on working
barges and patrol boats to avoid any spreading of leaked oil/chemicals.
Landscape and
Visual Impact
¡P
All existing, retained/transplanted trees at
the works areas should be properly fenced off and regularly inspected.
¡P
Control night-time lighting and glare by hooding all lights.
8.2
Recommendations on EM&A Programme
8.2.1
The impact monitoring programme for air
quality, noise, water quality and dolphin ensured that any deterioration in
environmental condition was readily detected and timely actions taken to
rectify any non-compliance. Assessment and analysis of monitoring results
collected demonstrated the environmental impacts of the Project. With
implementation of recommended effective environmental mitigation measures, the
Project¡¦s environmental impacts were considered as environmentally acceptable.
The weekly environmental site inspections ensured that all the environmental
mitigation measures recommended were effectively implemented.
8.2.2
The recommended environmental mitigation measures, as included in the
EM&A programme, effectively minimize the
potential environmental impacts from the Project. Also, the EM&A programme effectively monitored the environmental impacts
from the construction activities and ensure the proper implementation of
mitigation measures. No particular recommendation was advised for the
improvement of the programme.
8.3
Conclusions
8.3.1
The construction phase and EM&A programme
of the Project commenced on 12 March 2012.
8.3.2
The EM&A programme of this Contract was
completed by the end of April 2018, as such this report documents the findings
of EM&A works conducted in the period between 1 March 2018 ¡V 30 April 2018.
For further information on confirming termination of EM&A programme and leading to a shorter cut-off of the reporting
quarter, please refer to section 2.1.12.
8.3.2.1 For impact
air quality monitoring, no action or limit level exceedance of 24-Hour TSP or
1-hour TSP impact air quality monitoring result was recorded at all monitoring
stations by Environmental Team of Contract No. HY/2013/01 in the reporting
period.
8.3.3
For construction noise, no exceedance was recorded at all monitoring
stations in the reporting quarter.
8.3.4
For impact water quality monitoring:
8.3.4.1
In March 2018, for impact water quality monitoring, 1 action level
exceedance of suspended solids at IS7 during flood tide on 21 March 2018. After
investigation, no marine-based work was conducted on the monitoring date as
confirmed by the contractor. It was concluded that the recorded exceedance not
Contract-related. No other water quality exceedance was recorded at all
monitoring stations by Environmental Team of Contract No. HY/2013/01 in the
reporting quarter. For level of exceedance, location and when exceedances were
recorded, please refer to Appendix D of monthly EM&A report of March 2018.
8.3.4.2
In April 2018, for impact water quality monitoring, 3 action level
exceedances of suspended solids at SR7 during flood tide on 18 and 23 April
2018, and at IS10(N) during flood tide on 20 April
2018. After investigation, no marine-based work was conducted on the monitoring
dates as confirmed by the contractor. It was concluded that the recorded
exceedances were not Contract-related. No other water quality exceedance was
recorded at all monitoring stations by Environmental Team of Contract No.
HY/2013/01 in the reporting quarter. For level of exceedance, location and when
exceedances were recorded, please refer to Appendix D of monthly EM&A
report of April 2018.
8.3.5
For impact dolphin monitoring, impact dolphin monitoring results at all
transects are reported in the EM&A Report prepared for Contract No.
HY/2013/01.
8.3.6
Environmental site inspection was carried out 9 times in the reporting
quarter. Recommendations on remedial actions were given to the Contractors for
the deficiencies identified during the site audits.
8.3.7
No environmental complaint, notification of summons or prosecution was
received in the reporting quarter.
8.3.8
Apart from the above mentioned monitoring, most of the recommended
mitigation measures, as included in the EM&A programme,
were implemented properly in the reporting quarter.
8.3.9
The recommended environmental mitigation measures effectively minimize
the potential environmental impacts from the Contract. The EM&A programme effectively monitored the environmental impacts
from the construction activities and ensure the proper implementation of
mitigation measures. No particular recommendation was advised for the
improvement of the programme.
8.3.10
Moreover, regular review and checking on the construction methodologies,
working processes and plants were carried out to ensure the environmental
impacts were kept minimal and recommended environmental mitigation measures
were implemented effectively.