executive summary
ES01
This is the 63rd monthly EM&A
report presenting the monitoring results and inspection findings for the reporting period from 1 to 31 October 2018 (hereinafter ‘the
Reporting Period’).
Environmental
Monitoring and Audit Activities
ES02
To facilitate the project management and
implementation, Liantang/Heung Yuen Wai
Boundary Control Point and Associated Works of the Project is
divided to seven CEDD contracts including Contract 2 (CV/2012/08), Contract 3 (CV/2012/09), Contract 4 (NE/2014/02), Contract 5 (CV/2013/03), Contract
6 (CV/2013/08) and Contract 7 (NE/2014/03) and an ArshSD
contract (Contract SS C505).
ES03
In the Reporting Period, the major
construction works under Liantang/Heung
Yuen Wai Boundary Control Point and Associated Works of the Project
included Contract 2, Contract 3, Contract 4, Contract
6, Contract 7 and Contract SS C505.
Environmental monitoring activities under the EM&A programme in the
Reporting Period are summarized in the following table.
|
Environmental Aspect
|
Environmental Monitoring Parameters /
Inspection
|
Reporting Period
|
|
Number of Monitoring Locations to undertake
|
Total Occasions
|
|
Air Quality
|
1-hour
TSP
|
9
|
150
|
|
24-hour
TSP
|
9
|
49
|
|
Construction Noise
|
Leq(30min) Daytime
|
10
|
45
|
|
Water Quality
|
Water in-situ measurement and/or sampling
|
WM1
& WM1-C
|
14 Scheduled & 0 extra
|
|
WM2A(a)
& WM2A-Cx
|
14 Scheduled & 3 extra
|
|
WM2B
& WM2B-C
|
14 Scheduled & 0 extra (*)
|
|
WM3x
&WM3-C
|
14 Scheduled & 1 extra
|
|
WM4,
WM4-CA &WM4-CB
|
14 Scheduled & 0 extra
|
|
Ecology
|
Woodland
compensation
i)
General Health condition of planted species
ii) Survival
of planted species
|
9
Quadrats and transect
|
0
|
|
Joint Site Inspection / Audit
|
IEC, ET,
the Contractor and RE joint site Environmental Inspection and Auditing
|
Contract
2
|
4
|
|
Contract
3
|
4
|
|
Contract
4
|
4
|
|
Contract
6
|
4
|
|
Contract
7
|
4
|
|
Contract
SS C505 (#)
|
5
|
Remark: (#) IEC only joined one (1) event of site inspection for
Contract SS C505.
(*)
In the whole Reporting Period, water sampling was unable to carry out at WM2B and
WM2B-C due to shallow water (water depth under 150mm)
Action and Limit (A/L) Levels exceedance
ES04
In the Reporting Period, no construction noise exceedance
and valid noise complaint was recorded. For air quality monitoring, two (2) Limit
Level exceedances of 24-hour TSP was
recorded. Moreover, sixteen (16) Limit Level
exceedances were recorded during water
quality monitoring. The summary of
exceedance in the Reporting Period is shown below.
|
Environmental Aspect
|
Monitoring
Parameters
|
Action Level
|
Limit Level
|
Event
& Action
|
|
NOE
Issued
|
Investigation
Result
|
Project
related exceedance
|
Corrective
Actions
|
|
Air Quality
|
1-hour TSP
|
0
|
0
|
0
|
--
|
--
|
--
|
|
24-hour TSP
|
0
|
2
|
2
|
Underway by ET
|
--
|
--
|
|
Construction Noise
|
Leq(30min) Daytime
|
0
|
0
|
0
|
--
|
--
|
--
|
|
Water Quality
|
DO
|
0
|
0
|
0
|
-
|
--
|
--
|
|
Turbidity
|
0
|
7
|
7
|
Refer to ES.06
|
The Contractor should fully implement water quality mitigation measure.
|
|
SS
|
0
|
9
|
9
|
ES05
There were two (2)
Limit Level exceedances of
24-hour TSP recorded at Locations AM2 and AM3. Investigation for cause of exceedances
was underway by ET and will be presented in next Monthly EM&A Report.
ES06
A total of sixteen
(16) Limit Level
exceedances were recorded during water
quality monitoring. Investigation for cause of water quality exceedances have conducted by
ET. Investigation report revealed that the exceedances recorded at WM2A(a) on 9, 10, 11 and 12 October 2018 were not caused by the
works under the Project. Furthermore,
the investigation for exceedances recorded at WM2A(a) on
27 and 29 October 2018 and at WM3x on 27, 29 and 30 October 2018 are still
underway by ET and the investigation result will be presented in next Monthly
EM&A Report.
Environmental
Complaint
ES07
In this Reporting Period, three (3)
documented environmental complaints were received under the EM&A programme
with respective to the dust, muddy water and noise issues. The complaint details and status of investigation
are summarized below.
(a) A public complaint was received on 5 October 2018
regarding the dust concerns near the junction of Sha Tau Kok
Road and Wo Keng Shan Road and site exit at Tai Tong
Wu. Investigation has conducted by
ET and the report revealed the Contractors have implemented wheel washing
facilities and no dust and soil carrying by site vehicles to STK road were observed.
It is considered
that the complaint was not valid to the project.
(b) A public complaint was on 5
October 2018 regarding
muddy road found
