TABLE OF CONTENTS
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1 |
1-2 |
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1.1 |
Basic
Project Information |
1 |
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1.2 |
Project
Organization |
1 |
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1.3 |
Construction Programme |
2 |
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1.4 |
Construction Works
Undertaken During the Reporting Period |
2 |
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2 |
3-6 |
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2.1 |
Summary of EM&A Requirements |
3-4 |
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2.2 |
Monitoring Requirements |
4 |
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2.3 |
Action and Limit Levels |
4-6 |
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2.4 |
Event
Action plans |
6 |
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2.5 |
Mitigation Measures |
6 |
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3 |
7-10 |
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3.1 |
Air
Quality Monitoring Result |
7 |
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3.2 |
Noise Monitoring Results |
7 |
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3.3 |
Water
Quality Monitoring
Results |
7-8 |
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3.4 |
Dolphin Monitoring |
8 |
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3.5 |
Implementation Status of Environmental
Mitigation Measures |
8-9 |
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3.6 |
Advice on the Solid and Liquid
Waste Management Status |
9-10 |
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3.7 |
Environmental
Licenses and Permits |
10 |
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4 |
Summary of Exceedance,
Complaint, notification of summons and sucessful prosecution |
11-13 |
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4.1 |
Summary of Exceedance of the Environmental
Quality Performance Limit |
11 |
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4.2 |
Summary
of Complaints, Notification of Summons and Successful Prosecution |
11-13 |
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5 |
14-15 |
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5.1 |
Comments |
14 |
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5.2 |
Recommendations |
14 |
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5.3
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Conclusions |
14-15 |
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Figure
1 |
Air
Quality and Noise Monitoring
Stations for HKBCF |
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Figure
2 |
Water Quality Monitoring Stations(construction phases) |
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Figure
3 |
Dolphin Monitoring Transect Line and Layout Map |
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Table |
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Table 1.1 |
Contact
Information of Key Personnel |
Table 2.1 |
Air
Quality and Noise Monitoring Locations |
Table 2.2 |
Water
Quality Monitoring Stations (construction phases) |
Table 2.3 |
Action
and Limit Levels for 1-hour TSP |
Table 2.4 |
Action
and Limit Levels for 24-hour TSP |
Table 2.5 |
Action
and Limit Levels for Construction Noise |
Table 2.6 |
Action
and Limit Levels for Water Quality |
Table 2.7 |
Action
and Limit Levels for Chinese White Dolphin Monitoring ¡V Approach to Define
Action |
|
Level ( |
Table 2.8 |
Derived
Value of Action Level ( |
Table 3.1 |
Summary
of marine sediment disposed to dumping site via Contract No. HY/2013/03 |
APPENDIX |
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Location
of Works Areas |
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Project
Organization for Environmental Works |
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Construction
Programme |
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Event
and Action Plan |
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Implementation
Schedule for Environmental Mitigation Measures (EMIS) |
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Site Audit Findings and Corrective Actions |
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Waste Flow
Table |
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Environmental
Licenses and Permits |
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Statistics on
Environmental Complaints, Notification of Summons and Successful
Prosecutions |
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Investigation Reports on Action Level or Limit
Level Non-compliance |
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Complaint Investigation Report |
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This Quarterly Environmental Monitoring and Audit (EM&A) Report is prepared for Contract HY/2013/02 Hong
Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities (HKBCF) ¡V
Infrastructure Works Stage I (Western Portion) (hereafter referred to as ¡§the
Contract¡¨) for the Highways Department of Hong Kong Special Administrative
Region (HKSAR). The Contract was awarded to China Harbour Engineering Co., Ltd.
(hereafter referred to as ¡§the Contractor¡¨) and ETS-Testconsult Limited was
appointed as the Environmental Team (ET) by the Contractor.
The Contract is part of
ETS-Testconsult Limited has been appointed by the Contractor to implement
the Environmental Monitoring & Audit (EM&A) programme for the Contract
in accordance with the Updated EM&A Manual for HKBCF (Version 1.0) and
provide environmental team services to the Contract.
This
is the Ninth Quarterly Environmental Monitoring and
Audit (EM&A) Report for the Contract which summaries findings of the
EM&A works conducted during the reporting period from 01 December
2016 to 28 February 2017.
Environmental Monitoring and Audit Progress
The 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 and noise monitoring works for the Contract are
covered by Contract No. HY/2010/02 ¡§Hong Kong-Zhuhai-
The dates of environmental site
inspections during the reporting period are listed below:
Environmental Site Inspection Date |
||
December 2016 |
January 2017 |
February 2017 |
01, 09, 15, 22 and 29 |
05,
12, 16
and 26 |
02,
09, 16
and 23 |
Breaches of Action and Limit
Levels
Summary of
Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level at AMS6
shall be referred to the monthly EM&A report prepared by Contract No.
HY/2011/03.
There was no Action and Limit Level exceedance
of 1-hr TSP level and 24-hr TSP level
recorded at station AMS7 by the Environmental Team of Contract No. HY/2010/02 during the reporting period.
There was no Action and Limit Level exceedance
for noise recorded at
station NMS2 and station NMS3B by the Environmental Team of Contract No.
HY/2010/02 during the reporting period.
For water quality monitoring, there were four
exceedances recorded during the reporting period. In December 2016, one
Action Level exceedance
of SS on impact water
quality monitoring at station IS(Mf)9 during mid-flood tide was recorded on 14 December 2016. In
January 2017, there was no Action and Limit Level
exceedance for water quality recorded
at the monitoring stations. In February 2017, two Action Level exceedances of SS on
impact water quality monitoring at station IS8 and SR7 during mid-flood tide were recorded
on 06 February 2017 and 15 February 2017, one Action Level
exceedance of SS on impact water
quality monitoring at station SR6 during mid-ebb tide was recorded on 10 February 2017. After investigation, there was concluded that the exceedances were
not relevant to this Contract. The
Investigation Reports No. 011, 012 and 013 (including the causes of exceedance,
action taken and recommendation for mitigation) on Action or Limit Level
Non-compliance are provided in Appendix J. There was no Action and Limit Level exceedance
recorded on other monitoring
date at the monitoring stations showed in Table 2.2 by
the Environmental Team of Contract No. HY/2010/02 during the reporting period.
Impact
dolphin monitoring results at all transects are reported in the EM&A Report
prepared for Contract No. HY/2010/02.
Implementation of Environmental Measures
Site inspections
were carried out on a weekly basis to monitor the implementation of proper
environmental pollution control and mitigation measures for the Project.
Potential environmental impacts due to the construction activities were monitored
and reviewed.
Complaint Log
There
were five complaints received during the reporting period.
1.
One complaint was received by EPD from
public on 01 December 2016 and was forwarded by EPD to the HYD and ENPO and
then to the R.E. (AECOM) on 01 December 2016.Then the R.E. (AECOM) forwarded
the complaint by email to the Contractor (
2.
One complaint was received by Contract No.
HY/2010/02 referred by the Government¡¦s Hotline (1823) on 02 December 2016 and
was forwarded by ENPO to the R.E. (AECOM), the Contractor (
3.
One complaint was received by EPD on 13 December
2016 and referred by EPD to the ENPO on 14 December 2016. Then the ENPO
forwarded the complaint by email to the R.E. (AECOM), the Contractor (
The
follow-up inspections for the above mentioned complaints on 01, 02, 13 December
2016 were performed by the ET of Contract No. HY/2013/02 on 02
and 15 December 2016. The complaint investigation reports
(Log No. 006, 007 and 008) were issued by the ET of Contract No. HY/2013/02 and
verified by the IEC/ENPO on 14, 16 and 19 December 2016.
According
to the investigation on 01, 02, 13 December 2016, no mud/slurry
was observed around the East Coast Road site entrance during the site
inspection and audit on 01 December 2016, no stone debris and mud/slurry were
observed around the East Coast Road site entrance according to the Contractor
and RE¡¦s site checking on 02 December 2016 and the construction works of this
Contract during the past month was carried out from 08:00 up to 23:00 and no
any works and PME operation were undertaken at night-time after 23:00 until 13 December 2016 by Contract No.
HY/2013/02. The
complaints were found non-related to Contract No. HY/2013/02. The complaint
investigation reports (Log No. 006, 007 and 008) for
the above mentioned complaints on 01, 02 13 December 2016 were
provided in Appendix K.
4.
One complaint was received by Highways Department and
referred by Highways Department to Contract No. HY/2010/02 on 28 December 2016.
Then the ENPO forwarded the complaint by email to the R.E. (AECOM), the
Contractor (
The follow-up inspection for the above mentioned complaint on 28
December 2016 was performed by the ET of Contract No. HY/2013/02 on 29 December
2016. The complaint investigation report
(Log No. 009) was issued by the ET of Contract No. HY/2013/02 on 31 December
2016 and verified by the IEC/ENPO on 11 January 2017.
According
to the investigation, the site environment of the working areas were found
acceptable that no mosquito was observed and cleanness of portable toilets were
also found acceptable but it will have some improvement. Hence, the complaint
was found non-related to Contract No. HY/2013/02. The
complaint investigation report (Log No. 009) was provided in Appendix K.
5.
One complaint received by Environmental Protection Department from a
bus operator at the
The follow-up
inspection was performed by the Environmental Officer and the RE of
Contract No. HY/2013/02 and EPD¡¦s senior inspector Dionne Leung on 10 January 2017. The complaint
investigation report (Log No. 010) was issued by the ET of Contract No.
HY/2013/02 and verified by the IEC/ENPO on 23 January 2017.
According to the investigation, no mud/slurry was observed
around the
Notifications of Summons and Successful
Prosecutions
There were no
notification of summon or prosecution received during the reporting period.
Reporting Change
There was no reporting change during the
reporting period.
1.1 Basic Project
Information
1.2 Project Organization
Table 1.1 Contact
Information of Key Personnel
Party |
Position |
Name of Key Staff |
Tel. No. |
Fax No. |
Engineer or Engineer¡¦s
Representative (AECOM Asia
Co. Ltd.) |
Resident
Engineer |
Mr. Winston Wong |
6330 8293 |
3152
5116 |
Mr. Dominic Mow |
6274
0909 |
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Environmental Project Office
/ Independent Environmental Checker (Ramboll Environ Hong Kong Limited) |
Environmental
Project Office Leader |
Mr. Y. H. Hui |
3465
2888 |
3465
2899 |
Independent
Environmental Checker |
Mr.
Raymond Dai |
3465
2888 |
3465
2899 |
|
Environmental
Site Supervisor |
Mr.
Ray Yan |
5181
8165 |
3465
2899 |
|
Contractor
(China Harbour Engineering Co., Ltd.) |
Environmental
Officer |
Mr.
Richard Ng |
5977
0593 |
3915
0300 |
Assistant
Environmental Officer |
Mr.
Paper Chan |
6486
8967 |
3915
0300 |
|
Environmental
Supervisor |
Mr.
Endy Tse |
5512
2662 |
3915
0300 |
|
Environmental Team (ETS-Testconsult
Ltd.) |
Environmental Team Leader |
Mr. C. L. Lau |
2946 7791 |
2695 3944 |
1.3 Construction Programme
1.4 Construction Works Undertaken
During the Reporting Period
l
Bored
Piling in Portion C;
l
Pier / Abutment in Portion A, C & F;
l
Pile Cap in Portion C
& F ;
l
Pre-bored H-pile for sign
gantries in Portion C
& F;
l
Storm drain and water main construction ;
l
Retaining wall, slop and earth
works
l
Footing construction of
directional signs, cable trench and ducting;
l
Marine
Delivery of precast segment &
Construction of bridge deck in Portion D, A, E, C & F
l
Marine sediment excavation activities from the land-based works and corresponding
disposal at the
designated disposal sites
2.1 Summary of EM&A Requirements
The ET of
the Contract or another ET of the HZMB project is required to conduct dolphin
monitoring at 23 transects as part of EM&A programme if these transects are
no longer covered under Contract No. HY/2010/02. The
dolphin monitoring should adopt line-transect vessel survey method. The survey follows pre-set and fixed
transect lines in the two areas defined by AFCD as: Northeast Lantau survey
area; and
Table 2.1 Air Quality and
Noise Monitoring Locations
Environmental Monitoring |
Identification No. |
Location Description |
|
Air
Quality |
AMS6(1) |
Dragonair / CNAC (Group)
Building |
|
AMS7(1) (2) |
Hong Kong SkyCity Marriott Hotel |
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Noise |
NMS2(3) |
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NMS3B(3)(4) |
Site Boundary of Site
Office Area at Works Area WA2 |
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Remarks: |
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(1) The ET of this Contract should
conduct impact air quality monitoring at the AMS listed in the table as part
of EM&A programme according to latest notification from ENPO when the monitoring
station(s) is/are no longer covered by another ET of the HZMB project. |
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(2) The
air quality monitoring location AMS |
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(3) ET of this Contract should
conduct impact noise monitoring at the NMS listed in the table as part of
EM&A programme according to latest notification from ENPO when the
monitoring station(s) is/are no longer covered by another ET of the HZMB
project. |
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(4) The Action and Limit Levels
for schools will be applied for this alternative monitoring location. |
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Table 4.1 Water Quality Monitoring
Stations (construction phases)
Station |
Description |
East |
North |
|
IS5 |
Impact Station (Close
to HKBCF construction site) |
811579 |
817106 |
|
IS(Mf)6 |
Impact Station (Close
to HKBCF construction site) |
812101 |
817873 |
|
IS7 |
Impact Station (Close
to HKBCF construction site) |
812244 |
818777 |
|
IS8 |
Impact Station (Close
to HKBCF construction site) |
814251 |
818412 |
|
IS(Mf)9 |
Impact Station (Close
to HKBCF construction site) |
813273 |
818850 |
|
IS10 |
Impact Station (Close
to HKBCF construction site) |
812577 |
820670 |
|
IS(Mf)11 |
Impact Station (Close
to HKBCF construction site) |
813562 |
820716 |
|
IS(Mf)16 |
Impact Station (Close
to HKBCF construction site) |
814328 |
819497 |
|
IS17 |
Impact Station (Close
to HKBCF construction site) |
814539 |
820391 |
|
SR3 |
Sensitive receivers
(San Tau SSSI) |
810525 |
816456 |
|
SR4(N) |
Sensitive receivers
(Tai Ho) |
814705 |
817859 |
|
SR5 |
Sensitive receivers
(Artificial Reef in NE Airport) |
811489 |
820455 |
|
SR6 |
Sensitive receivers
(Sha Chau and |
805837 |
821818 |
|
SR7 |
Sensitive receivers
(Tai Mo Do) |
814293 |
821431 |
|
SR |
Sensitive receivers (Ma
Wan FCZ)1 |
823741 |
823495 |
|
SR10B(N)[1] |
Sensitive receivers (Ma
Wan FCZ)2 |
823683 |
823187 |
|
CS(Mf)3 |
Control Station |
809989 |
821117 |
|
CS(Mf)5 |
Control Station |
817990 |
821129 |
|
CS4 |
Control Station |
810025 |
824004 |
|
CS6 |
Control Station |
817028 |
823992 |
|
CSA [2] |
Control Station |
818103 |
823064 |
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Note: |
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(1)
Additional
monitoring station for Ma Wan FCZ. |
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(2)
Additional
control monitoring station for Ma Wan FCZ |
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Remarks: |
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The ET of
this Contract should conduct impact water quality monitoring at the WQMS
listed in the table as part of EM&A programme according to latest
notification from ENPO when the monitoring station(s) is/are no longer
covered by another ET of the HZMB project. The ET of the Contract shall communicate and share the monitoring
data to the ET(s) of other works contracts if the water quality monitoring
station(s) is/are as part of EM&A programme. |
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2.2
Monitoring Requirements
2.3 Action and Limit Levels
Table
2.3 Action
and Limit Levels for 1-hour TSP
Monitoring Station |
Action Level,mg/m3 |
Limit Level,mg/m3 |
AMS6 ¡V Dragnair / SNAC (Group) Building
(HKIA) |
360 |
500 |
AMS7 ¡V Hong Kong SkyCity Marriott Hotel |
370 |
500 |
Table 2.4 Action and Limit Levels for 24-hour TSP
Monitoring
Station |
Action
Level, mg/m3 |
Limit Level,mg/m3 |
AMS6
¡V Dragnair / SNAC (Group) Building (HKIA) |
173 |
260 |
AMS7
¡V
Hong Kong SkyCity Marriott
Hotel |
183 |
260 |
Table 2.5 Action and Limit
Levels for Construction Noise
Parameter |
Action Level |
Limit Level |
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07:00
¡V 19:00 hours on normal weekdays |
When one
documented complaint is received |
75 dB(A)* |
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Notes: |
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If works are to be carried out during restricted hours, the conditions stipulated in the construction noise permit issued by the Noise Control Authority have to be followed. * Reduce to 70 dB(A)
for schools and 65 dB(A) during school examination period. |
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2.3.5
The Action and Limit Levels for Water Quality are provided in Table 2.6
Table 2.6 Action and Limit
Levels for Water Quality
Parameters |
Action |
Limit |
|
DO in mg/L (Surface, Middle & Bottom) |
Surface and Middle 5.0 Bottom 4.7 |
Surface and Middle 4.2 (except 5 mg/L for FCZ) Bottom 3.6 |
|
SS in mg/L (depth-averaged) at all monitoring stations and control
stations |
23.5 and 120% of upstream control station's SS at the same tide of the
same day* |
34.4 and 130% of upstream control station's SS at the same tide of the
same day and 10mg/L for WSD Seawater intakes* |
|
Turbidity in NTU (depth-averaged) |
27.5 and 120% of upstream control station's turbidity at the same tide
of the same day* |
47.0 and 130% of upstream control station's turbidity at the same tide
of the same day* |
|
*Remarks: |
Reference is made to EPD approval of adjustment
of water quality assessment criteria |
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issued and
became effective on 18 February 2013. |
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Notes: |
1.
"depth-averaged"
is calculated by taking the arithmetic means of reading of all three depths. |
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2.
For DO,
non-compliance of the water quality limits occurs when monitoring result is
lower than the limits. |
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3.
For
turbidity, SS, non-compliance of the water quality limits occurs when
monitoring result is higher than the limits. |
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4.
All the
figures given in the table are used for reference only and the EPD may amend
the figures whenever it is considered as necessary. |
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5.
The
1%-ile of baseline data for dissolved oxygen (surface and middle) and
dissolved oxygen (bottom) are 4.2mg/L and 3.6mg/L respectively. |
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2.3.6
If exceedance(s)
at these station(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 quarterly
EM&A Report.
2.3.7
The Action and Limit Levels for Chinese White Dolphin Monitoring are provided in Table 2.7 & Table 2.8
Table 2.7 Action and Limit
Levels for Chinese White Dolphin Monitoring ¡V Approach to Define Action Level (
|
|
|
NEL |
NWL |
|
Action Level |
(STG < 70% of baseline) & (ANI < 70% of baseline) |
(STG < 70% of baseline) & (ANI < 70% of baseline) |
Limit Level |
[(STG < 40% of baseline) & (ANI < 40% of baseline)] AND [ (STG < 40% of baseline) & (ANI < 40% of baseline)] |
For North Lantau Social Cluster, action level will be trigger if either NEL
or NWL fall below the criteria; limit level will be triggered if both NEL and
NWL fall below the criteria.
Table 2.8 Derived Value of
Action Level (
|
|
|
NEL |
NWL |
|
Action Level |
(STG < 4.2) & (ANI < 15.5 ) |
(STG < 6.9) & (ANI < 31.3) |
Limit Level |
[(STG < 2.4) & (ANI < 8.9)] AND [(STG
< 3.9) & (ANI < 17.9)] |
The ET
of this Contract should conduct impact dolphin monitoring as part of EM&A
programme according to latest notification from ENPO when the monitoring transect(s) is/are no longer covered by
another ET of the HZMB project.
2.4 Event
Action Plans
2.5 Mitigation
Measures
3 Environmental
Monitoring and Audit
3.1 Air
Quality Monitoring Results
3.2
Noise Monitoring Results
3.3 Water
Quality Monitoring Result
3.3.2
December 2016
There was one Action Level exceedance of Suspended
Solids on impact water quality monitoring at station IS(Mf)9 during mid-flood tide recorded on 14
December 2016. Exceedance was not due to operation of the works under Contract
No. HY/2013/02 because there was no
marine works or barge of this Contract worked at HKBCF reclamation site near
the sea area or area near the monitoring station IS(Mf)9 from 01
December 2016 to the water quality monitoring period at 07:51 on 14 December
2016 which was unlikely to generate suspended solids in the marine water.
Therefore, it is unlikely that the SS exceedance recorded at IS(Mf)9 during
mid-flood tide on 14 December 2016 was contributed by the works under Contract
No. HY/2013/02.
There was no Action and Limit Level exceedance recorded by the Environmental Team
of Contract No. HY/2010/02 during the reporting period.
There was two Action Level exceedances of SS at station IS8
and SR7 during mid-flood tide recorded on 06 February
2017 and 15 February 2017, one Action Level exceedance of SS at station SR6 during
mid-ebb tide was recorded
on 10 February
2017. The three exceedances were not relevant to this Contract
since there was no marine works or barge of this Contract worked at HKBCF
reclamation site near the sea area or area near the monitoring station IS8 and SR7 from 04 February
2017 to 06 February 2017 and 13 February
2017 to 15
February 2017 which was
unlikely to generate suspended solids in the marine water. Besides, during 08 February 2017 to 10 February
2017, there was no marine works worked at HKBCF
reclamation site near the sea area or area near the monitoring station SR6 except only one marine pre-cast segment
delivery barge which passed through the north-east side with
distance more than 4000 meters from the monitoring station SR6. Therefore, it is
unlikely that the SS exceedances recorded at IS8 and SR7 during
mid-flood tide on 06 February 2017 and 15 February 2017 and SR6 during mid-ebb tide on 10 February 2017 were contributed by
the works under Contract No. HY/2013/02.
3.3.5
There
was no exceedance
recorded on other monitoring date at the monitoring stations showed in Table 2.2 by the Environmental Team of Contract No.
HY/2010/02 during the reporting period.
3.3.6
Although the above mentioned exceedances were not relevant to this
Contract, the Contractor was reminded to ensure all construction activities
that generate wastewater with high concentrations of suspended solid (SS)
should be collected to sedimentation tanks or package treatment systems for
proper treatment prior to disposal. The Contractor was also reminded to ensure
that all silt removal facilities, channels and manholes shall be maintained and
any deposited silt and grit shall be removed regularly.
3.4
Dolphin monitoring Result
3.4.1
Impact dolphin monitoring results at
all transects were reported in the EM&A Report prepared for Contract No.
HY/2010/02. One limit level exceedance was recorded in the monitoring period
(December 2016 ¡V February 2017).
3.4.2
During this reporting period, no marine base construction work
was conducted by Contract No. HY/2013/02. After checked the Contractor¡¦s
3.4.3
The exceedance is still under investigation by Contract No.
HY/2010/02. The Investigation Report (including the causes of exceedance,
action taken and recommendation for mitigation) for Action or Limit Level
Non-compliance will be prepared by the ET of Contract No. HY/2010/02 and
detailed in the quarterly EM&A Report prepared for Contract No. HY/2010/02. The implementation of Regular Marine Travel Route
Plan (RMTRP) for the above mentioned dry cargo barges of marine transportation undertaken by Contract
No. HY/2013/02 during the reporting period were checked by the ET. The Regular Marine Travel Route Plan were prepared
and given to the Caption to use in order
to minimize the chance of vessel collision and the routes would not go through
the dolphin hotspot in
3.5
Implementation of Environmental Measures
3.6 Advice on the Solid and
Liquid Waste Management Status
3.6.2
Table 3.1 Summary of
marine sediment disposed to dumping site via Contract No. HY/2013/03
Month/Year |
Quantity
disposed (m3) |
January 2016 |
1272 |
February 2016 |
2816 |
March 2016 |
600 |
April 2016 |
5218 |
May 2016 |
0 |
June 2016 |
1200 |
July 2016 |
728 |
August 2016 |
1784 |
September 2016 |
2328 |
October 2016 |
1096 |
November 2016 |
0 |
December 2016 |
1568 |
January 2017 |
0 |
February 2017 |
88 |
Total = |
18608 |
3.7 Environmental Licenses and
Permits
4 Summary
of exceedance, complaint, notification of summons and successful prosecution
4.1 Summary of
Exceedance of the Environmental Quality Performance Limit
4.1.4
For water
quality monitoring, there were four exceedances recorded during the reporting
period. In December 2016, one Action Level exceedance of SS on impact water quality monitoring at station IS(Mf)9 during mid-flood tide was recorded on 14 December 2016. In
January 2017, There was no Action and Limit Level exceedance for
water quality recorded at the
monitoring stations. In
February 2017, two Action Level
exceedances of SS on impact water quality monitoring at
station IS8 and SR7 during mid-flood tide were recorded
on 06 February 2017 and 15 February 2017, one Action Level
exceedance of SS on impact water
quality monitoring at station SR6 during mid-ebb tide was recorded on 10 February 2017. After investigation, there was concluded that the exceedances were
not relevant to this Contract. There was no Action and Limit Level exceedance
recorded on other monitoring
date at the monitoring stations showed in Table 2.2 by
the Environmental Team of Contract No. HY/2010/02 during the reporting period. The Investigation Reports No. 011, 012 and 013 (including the causes of
exceedance, action taken and recommendation for mitigation) on Action or Limit
Level Non-compliance are provided in Appendix J.
4.1.5
Impact
dolphin monitoring results at all transects are reported in the EM&A Report
prepared for Contract No. HY/2010/02.
4.2
Summary of Complaints, Notification of Summons and
Successful Prosecution
4.2.1
There were five complaints received
during the reporting period.
1.
One complaint was received by EPD from
public on 01 December 2016 and was forwarded by EPD to the HYD and ENPO and
then to the R.E. (AECOM) on 01 December 2016.Then the R.E. (AECOM) forwarded
the complaint by email to the Contractor (
2.
One complaint was received by Contract No.
HY/2010/02 referred by the Government¡¦s Hotline (1823) on 02 December 2016 and
was forwarded by ENPO to the R.E. (AECOM), the Contractor (
3.
One complaint was received by EPD on 13 December
2016 and referred by EPD to the ENPO on 14 December 2016. Then the ENPO
forwarded the complaint by email to the R.E. (AECOM), the Contractor (
4.2.2
The follow-up inspections for the above
mentioned complaints on 01, 02, 13 December 2016 were performed by the ET of
Contract No. HY/2013/02 on 02 and 15 December 2016.
The complaint investigation reports (Log No. 006, 007 and 008) were issued by
the ET of Contract No. HY/2013/02 and verified by the IEC/ENPO on 14, 16 and 19
December 2016.
4.2.3
According to the investigation on
01, 02, 13 December 2016, no mud/slurry was observed around the East Coast
Road site entrance during the site inspection and audit on 01 December 2016, no
stone debris and mud/slurry were observed around the East Coast Road site
entrance according to the Contractor and RE¡¦s site checking on 02 December 2016
and the construction works of this Contract during the past month was carried
out from 08:00 up to 23:00 and no any works and PME operation were undertaken
at night-time after 23:00 until 13 December 2016 by Contract
No. HY/2013/02. The
complaints were found non-related to Contract No. HY/2013/02. The complaint
investigation reports (Log No. 006, 007 and 008) for
the above mentioned complaints on 01, 02 13 December 2016 were
provided in Appendix K.
4.
One complaint was received by Highways Department and
referred by Highways Department to Contract No. HY/2010/02 on 28 December 2016.
Then the ENPO forwarded the complaint by email to the R.E. (AECOM), the
Contractor (
4.2.4.
The follow-up
inspection for the above mentioned complaint on 28 December 2016 was performed
by the ET of Contract No. HY/2013/02 on 29 December 2016. The complaint investigation report (Log No. 009) was issued by the ET
of Contract No. HY/2013/02 on 31 December 2016 and
verified by the IEC/ENPO on 11 January 2017.
4.2.5.
According to the investigation,
the site environment of the working areas were found acceptable that no
mosquito was observed and cleanness of portable toilets were also found
acceptable but it will have some improvement. Hence, the complaint was found
non-related to Contract No. HY/2013/02. The complaint
investigation report (Log No. 009) was provided in Appendix K.
5.
One complaint received by Environmental Protection Department from a bus operator at the
4.2.6.
The follow-up inspection was
performed by the Environmental Officer and the RE of Contract No. HY/2013/02
and EPD¡¦s senior inspector Dionne Leung on 10 January 2017. The complaint investigation report (Log No. 010)
was issued by the ET of Contract No. HY/2013/02 and verified by the IEC/ENPO on
23 January 2017.
4.2.7.
According to the investigation, no
mud/slurry was observed around the
4.2.8.
Although the complaints were non-related to
Contract No. HY/2013/02, the Contractor of Contract No. HY/2013/02 was reminded
to provide appropriate mitigation measures such as:
1.
To check the
2.
To clean up the mud/slurry immediately to avoid
public nuisance no matter the mud/slurry was generated from them or not once
received the complaint of the location which specified within Contract No.
HY/2013/
3.
To provide one person stayed at the site entrance during
working hours for cleaning up the mud/slurry;
4.
Provide well-maintained plant operated on-site and plant
served regularly;
5.
Switched off vehicles and equipment while not in use;
6.
Scheduled the construction works to minimize noise nuisance;
7.
Avoid to use hammering equipment during any night works; and
8.
Comply with the valid CNP for overnight operation
9.
Provide appropriate mitigation measures to prevent mosquito
breeding, such as to clear potential stagnant pools or add mosquito oil into
the pools
10.
Provide sufficient facilities for the toilets cleaning and
arrange the cleaning of toilets more frequently.
11.
Assign a person to check and clear sand/mud,
clean up the mud/slurry immediately by washing lorry & sweeper to avoid public
nuisance
12.
Check all vehicles and plant were cleaned before
they leave the construction site, treat the washing water by sedimentation tanks
and Wetsep
13.
Enhance daily cleaning for the precipitate at
Wheel Washing Bay (WWB) and the haul road lead to site entrance
14.
Purify and recycle the water at WWB by Wetsep
before discharge.
4.2.9
There were no notifications of summons
or prosecutions received during the reporting period.
4.2.10
Statistics on
environmental complaints,
notifications of summons and successful prosecutions are summarized in Appendix I.
5 Comments,
recommendations and conclusion
5.1 Comments
n
The Contractor was reminded to dispose the general refuse
properly;
n
The Contractor was reminded to provide appropriate label for temporary
storage area;
n
The Contractor was reminded to clear the muddy water on the road between vehicle washing facility
and exit;
n
The Contractor was reminded to sort the C & D
materials and general refuse;
n
The Contractor was reminded to provide drip tray for the chemical containers;
n
The Contractor was reminded to provide Impervious cover for the pulverized soil;
n
The Contractor was reminded to provide appropriate NRMM label
for the machines;
n
The Contractor was reminded to provide impervious sheet to
cover the Bentonite
bags;
5.2 Recommendations
5.3
Conclusions
5.3.2
Summary of Action and
Limit Level exceedance of 1-hr TSP level and 24-hr TSP level at AMS6 shall be
referred to the monthly EM&A report prepared by Contract No. HY/2011/03.
5.3.3
There was no
Action and Limit Level
exceedance of 1-hr TSP level and 24-hr TSP
level recorded at station AMS7 by the Environmental Team of Contract
No. HY/2010/02 during the reporting period.
5.3.4
There was no
Action and Limit Level
exceedance of noise recorded at
station NMS2 and station NMS3B by the Environmental Team of Contract No.
HY/2010/02 during the reporting period.
5.3.5
There were
four exceedances recorded during the reporting period. In December 2016, one
Action Level exceedance
of SS on impact water
quality monitoring at station IS(Mf)9 during mid-flood tide was recorded on 14 December 2016. In
January 2017, there was no Action and Limit Level
exceedance for water quality recorded
at the monitoring stations. In February 2017, two Action Level exceedances of SS on
impact water quality monitoring at station IS8 and SR7 during mid-flood tide were recorded
on 06 February 2017 and 15 February 2017, one Action Level
exceedance of SS on impact water
quality monitoring at station SR6 during mid-ebb tide was recorded on 10 February 2017. After investigation, there was concluded that the exceedances were
not relevant to this Contract. There was no Action and Limit Level exceedance
recorded on other monitoring
date at the monitoring stations showed in Table 2.2 by
the Environmental Team of Contract No. HY/2010/02 during the reporting period. The Investigation Reports No. 011, 012 and 013 (including the causes of
exceedance, action taken and recommendation for mitigation) on Action or Limit
Level Non-compliance are provided in Appendix J.
5.3.6
Impact
dolphin monitoring results at all transects are reported in the EM&A Report
prepared for Contract No. HY/2010/02.
5.3.7
Environmental
site inspections were carried out on 01, 09, 15, 22 and 29 December 2016, 05, 12, 16 and 26 January 2017 and 02, 09, 16 and 23 February 2017. Recommendations on remedial actions
were given to the Contractors for the deficiencies identified during the site
inspections.
5.3.8
There were five complaints
received in relation to the environmental impact during the reporting period. The
complaints were found non-related to Contract No. HY/2013/02. The complaint
investigation reports (Log No. 006, 007, 008, 009 and 010) were provided in Appendix K.
5.3.9
There was no notification of summons and successful prosecution received
during the reporting period.