3.
ENVIRONMENTAL MONITORING AND AUDIT
3.1
Air Quality Monitoring Results
3.1.1
The
monitoring results for AMS6 are reported in the monthly EM&A Reports (for
March 2018, April 2018 and May 2018) prepared for Contract Nos. HY/2011/03. The
monitoring results for AMS2, AMS3B and AMS7B are reported in the monthly
EM&A Reports (for March 2018, April 2018 and May 2018) prepared for Contract
Nos. HY/2013/01.
3.1.2
Summary of Action and Limit Level
exceedance of 1-hr TSP level and 24-hr TSP level at AMS6 is reported in the
monthly EM&A Reports (for March 2018, April 2018 and May 2018) prepared by
Contract No. HY/2011/03.
3.1.3
There
was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level
recorded at station AMS2, AMS3B and AMS7B by the Environmental Team of Contract
No. HY/2013/01 during the reporting period.
3.2
Noise Monitoring Results
3.2.1
The
monitoring results for NMS2 and NMS3B are reported in the monthly EM&A
Reports (for March 2018, April 2018 and May 2018)
prepared for Contract No. HY/2013/01.
3.2.2
No noise exceedances were recorded at
stations NMS2 and NMS3B by the ET of Contract No. HY/2013/01 during the
reporting period.
3.3
Water Quality Monitoring Results
3.3.1
The monitoring and investigation results for the monitoring
stations shown in Table 2.2 were
reported in the monthly EM&A Report (for
March 2018, April 2018 and May 2018) prepared for Contract
No. HY/2013/01. There were Action Level exceedances recorded at different WQM
stations during mid-ebb and mid-flood tide for suspended solids recorded on
eight days, Dissolved Oxygen and Turbidity recorded on three days. After
investigation, it was concluded that all exceedances were not relevant to Contract No. HY/2013/03.
3.3.2
There was no
Action and Limit Level exceedance recorded on other monitoring dates at the
monitoring stations shown as shown at Table
2.2 by the Environmental Team of Contract No. HY/2013/01 during the
reporting period.
3.4
Ecology Monitoring Results
3.4.1
The
dolphin survey results for all transects were reported in the monthly EM&A
Reports (for March 2018, April 2018 and May 2018) prepared by Contract No. HY/2013/01. There was no Action and Limit Level exceedance recorded by
the Environmental Team of Contract No. HY/2013/01 during the reporting period (March 2018 to May 2018).
3.5
Implementation of Environmental Measures
3.5.1
In response to the site audit findings,
the Contractor carried out corrective actions. Details of site audit findings
and the corrective actions during the reporting period are presented in Appendix F.
3.5.2
A summary of the Implementation
Schedule of Environmental Mitigation Measures (EMIS) is presented in Appendix E. All necessary mitigation
measures at this stage of works were implemented properly.
3.5.3
Implementation
status of Regular Marine Travel Route Plan (RMTRP) was checked by ET. In general, the Contractor has complied with the plan. Training
of marine travel route for marine vessels operator was given to relevant staff
and relevant records were kept properly. Marine traffic records which indicated
the number of trips data for pelican barge, hopper barge, tug boat, floating
concrete batching plant and derrick lighter on the implementation of RMTRP from
March 2018 to May 2018 were checked by ET. The
marine traffic records and geographical plots of all the vessels tracks to
demonstrate the conformance of the vessel to the proposed route in March 2018, April 2018 and May 2018
were provided by Contractor to ER, IEC/ENPO for checking within the month of April
2018, May 2018 and June 2018 respectively.
The implementation of marine traffic follows the Regular Marine Travel Route
Plan with respect to ET¡¦s checking on the marine traffic records for the
reporting period.
3.5.4
With respect to condition 3.26A of
EP-353/2009/K approved by EPD on 11 April 2016, the numbers and operating periods
of floating grout production facilities and floating concrete batching plants
on-site to review on the compliance to this EP condition were checked. Under
Contract No. HY/2013/03, no
floating concrete batching plant was operated on-site during the reporting
period.
3.5.5
As
silt curtain was installed since May 2017, Dolphin Watching Plan (DWP) should
be implemented. The status of silt curtain was reviewed by ET and there was no
change on the status of silt curtain during the reporting period. Implementation
status of DWP was checked by ET. The records of dolphin watching training,
regular inspection of the silt curtains and visual inspection of waters surrounded
by the silt curtain in March 2018, April 2018 and May 2018 would be provided to
ER, ETL, IEC/ENPO for checking within the month of April 2018, May 2018 and June
2018 respectively.
3.5.6
The landscape work of green roof for
Contract No. HY/2013/03 was commenced on 07 November 2017. Detail commencement
date of each building were shown in Table
3.1. The implementation of mitigation measures for landscape and visual
resources recommended in the EIA Report were monitoring during the reporting
period. Landscape and visual mitigation measures in accordance with the EP, EIA
and EM&A Manual were implemented by the Contractor.
Table
3.1 Commencement date of green roof for each building
Building No. of Green Roof |
Commencement dates of planting
for roof greening |
037 |
07
Nov 2017 |
043 |
20
Dec 2017 |
041 |
27
Dec 2017 |
026 |
22
Jan 2018 |
039 |
22
Jan 2018 |
All areas at ground level |
Early Feb 2018 |
031 |
08 Mar 2018 |
046 |
08 Mar 2018 |
3.6
Advice on the Solid and Liquid Waste Management Status
3.6.1
The Contractor of Contract No.
HY/2013/03 registered as a chemical waste producer for the Contract. Sufficient
numbers of receptacles were available for general refuse collection and
sorting.
3.6.2
No
extracted marine sediment was treated using cement solidification/stabilisation
(Cement S/S) techniques under Contract No. HY/2013/03 during this reporting
period. No marine sediment extracted from this Contract was disposed to the Marine
Fill Committee (MFC) allocated disposal sites directly without treatment during
this reporting period. As a practical mean, the disposal operation is managed
by one contractor who is also responsible for applying dumping permit and its
subsequent extension applications from EPD. Contract No. HY/2013/03 has been
assigned to coordinate and arrange for disposal of extracted marine sediment
from all three Contracts (Contract Nos. HY/2013/02, HY/2013/03 and HY/2013/04).
3.6.3
The barge for disposal of marine
sediment was morn at the temporary loading and unloading at the east shore of
the HKBCF Island, which has been being used by reclamation contractor (Contract
No. HY/2010/02) for reclamation activities. In terms of safety consideration
and to avoid mixing of sediment between contracts, each dumping date was
allocated to one Contract. The quantity of marine sediment disposed on each
date was from one Contract.
3.6.4
During
dumping, Contractor of Contract No. HY/2013/03 is responsible for transporting
the marine sediment from the site area of Contract No. HY/2013/03 to the barge.
The estimated quantity of marine sediment in each truck is confirmed by
Resident Site Staff of Contract Nos. HY/2013/02, HY/2013/03 and HY/2013/04. The
trip tickets for transportation and disposal of marine sediment are collected
and checked. Contract No. HY/2013/03 as the dumping permit holder is
responsible for reporting to EPD the quantity disposed of as the condition
stipulated in the dumping permit. The disposal site allocated to this Project
are the Mud Pit CMP Vd of the Confined Marine
Sediment Disposal Facility to the East of Sha Chau (ESC).
3.6.5
No marine sediment extracted from bored
piling from this Contract was disposed to allocated dumping site during this
reporting period. As
confirmed by RSS, all marine sediments extracted from
HY/2013/02, HY/2013/03 and HY/2013/04 have been completed with the last batch
disposal on 30 August 2017. The summary of marine sediment disposed during this
reporting period is shown in the following table:
Table
3.2 Summary of Marine Sediment Disposed to Dumping Site
Month/Year |
Quantity disposed (in¡¥000m3) |
|||
|
HY/2013/02 |
HY/2013/03 |
HY/2013/04 |
Total |
Mar 2018 |
0.000 |
0.000 |
0.000 |
0.000 |
Apr 2018 |
0.000 |
0.000 |
0.000 |
0.000 |
May 2018 |
0.000 |
0.000 |
0.000 |
0.000 |
Total |
0.000 |
0.000 |
0.000 |
0.000 |
3.6.6
The
summary of waste flow table for Contract No. HY/2013/03 (includes Contract No.
HY/2013/06 within Contract No. HY/2013/03 works area) is detailed in Appendix G.
3.6.7
Contract No. HY/2013/03 has been
assigned to arrange for delivery of surplus filling materials from Contract No.
HY/2013/03 to other projects, including Tuen Mun - Chek Lap Kok Link (TM-CLKL) project of HZMB, the Airport Authority
Hong Kong¡¦s Three Runway (3RS) Project, Wan Chai Development Phase II Project,
Contract No. HY/2013/02 of HKBCF and Hong Kong Link Road (HKLR) project of
HZMB. The estimated quantity of surplus filling materials is confirmed by
Resident Site Staff of Contract No. HY/2013/03. The summary of surplus filling
materials delivered to other projects up to the end of May 2018 is shown in Table 3.3.
Table 3.3 Summary
of Surplus Filling Materials Delivered from Contract No. HY/2013/03 to other projects
Month/Year |
Density
(in tonnes/m3) |
Quantity
disposed (in ¡¥000m3) |
|||||
To HY/2013/02 |
To TM-CLKL Project |
To 3RS Project |
To WDII Project |
To HKLR Project |
Total |
||
May 2017 |
2.3 |
0 |
12.637 |
0 |
0 |
0 |
12.637 |
Jun 2017 |
2.63925 |
0 |
14.769 |
11.238 |
0 |
0 |
26.007 |
Jul 2017 |
1.9 |
0 |
4.406 |
34.875 |
10.048 |
0.760 |
50.089 |
Aug 2017 |
1.9 |
0.480 |
0 |
67.942 |
2.761 |
7.455 |
78.638 |
Sep 2017 |
1.9 |
5.544 |
0 |
62.770 |
0 |
4.648 |
72.962 |
Oct 2017 |
/ |
3.384 |
0 |
45.92809 |
0 |
0 |
49.31209 |
Nov 2017 |
/ |
5.412 |
0 |
5.507 |
0 |
0 |
10.919 |
Dec 2017 |
/ |
12.57173 |
0 |
0 |
0 |
0 |
12.57173 |
Jan 2018 |
/ |
10.228 |
0 |
0 |
0 |
0 |
10.228 |
Feb 2018 |
/ |
0 |
0 |
0 |
0 |
0 |
0 |
Mar 2018 |
/ |
0.45276 |
0 |
0 |
0 |
0 |
0.45276 |
Apr 2018 |
/ |
0 |
42.544 |
0 |
0 |
0 |
42.544 |
May 2018 |
/ |
0 |
13.123 |
0 |
0 |
0 |
13.123 |
Total |
/ |
38.07249 |
87.479 |
228.26009 |
12.809 |
12.863 |
379.48358 |
Remarks:
The variation in density is due to different compositions of
surplus filling materials
There may be discrepancies in the total quantities with the quantities
of inert C&D materials stated in Appendix G, due to rounding errors
No density was given from October 2017 to May 2018 due to
the direct volume figures as provided and confirmed by the RSS
3.6.8
Contractor
of Contract No. HY/2013/03¡¦s site arrangement for disposal of bentonite slurry
to Tseung Kwan O Area 137 Fill Bank was checked by ET
and formal consent has been obtained from Tseung Kwan
O Area 137 Fill Bank for receiving used bentonite slurry generated from
Contract No. HY/2013/03.
3.7
Environmental Licences and Permits
3.7.1
The valid environmental licences and
permits for Contract No. HY/2013/03 (includes Contract No. HY/2013/06 within
Contract No. HY/2013/03 works area) during the reporting period are summarized
in Appendix H. The Contractor of
Contract No. HY/2013/06 was advised to register as a chemical waste producer
when chemical waste is expected to generate for the foreseeable future from the
operations (For Registration as Waste Producer Pursuant to Waste Disposal
(Chemical Waste) (General) Regulation).