1.
2.
3.
ENVIRONMENTAL MONITORING AND AUDIT
3.1.1
1-hour TSP and 24-hour TSP impact monitoring
at AMS2, AMS3C and AMS7B were carried out in the reporting period, the
monitoring results are reported in the monthly EM&A Report prepared for this
Contract.
3.1.2
There was no Action / Limit Level exceedance
of 1-hour TSP level and 24-hour TSP level at AMS2, AMS3C and AMS7B was recorded
during the reporting period.
3.1.3
The monitoring results for AMS6 are reported
in the monthly EM&A Reports prepared for Contract No. HY/2011/03.
3.1.4
Summary of Action and Limit Level exceedance
of 1-hour TSP level and 24-hour TSP level at AMS6 shall be referred to the
monthly EM&A report prepared by Contract No. HY/2011/03.
3.2.1
Construction noise monitoring were carried out
in the reporting period, the monitoring results for NMS2 and NMS3C are reported
in the monthly EM&A Reports prepared for this Contract.
3.2.2
There was no Action / Limit Level exceedance
for construction noise at NMS2 was recorded during the reporting period.
3.2.3
School calendar of Ho
Yu College was checked against noise monitoring days at NMS3C. However, all
schools were suspended under the government’s special arrangement in reducing
the risk of the coronavirus disease (COVID-19) in the reporting period. Ho Yu College was served as the examination centre for Hong
Kong Diploma of Secondary Education Examination (HKDSE) on 27, 28 April 2020,
and 8, 14 May 2020. The Limit Level of 65 dB (A) was applied on these days.
3.2.4
The measured noise levels recorded at NMS3C on
8 and 14 May 2020 were 67.1 dB (A) and 65.5 dB (A), which exceeded the noise
level of 65 dB (A) during examination at Ho Yu
College. The noise level recorded on 8 May 2020 was higher than the baseline
level of 66.3 dB (A). Therefore, baseline correction was carried out and the
corrected noise level which solely represent the noise level of construction
works was 59.4 dB (A), there was no exceedance after correction. The noise
level recorded on 14 May 2020 was below the baseline level, it is not
considered as an exceedance. As such the Event and Action Plan was not
triggered.
3.3.1
In accordance with the requirements of the
updated EM&A manual, the dolphin monitoring programme have adopted the
standard line-transect method (Buckland et al. 2001) to survey the pre-set and
fixed transect lines defined by AFCD in the Northeast Lantau (NEL) and
Northwest Lantau (NWL) survey areas.
3.3.2 The post-construction dolphin monitoring
conducted is vessel-based and combines line-transect and photo-ID methodology,
which have adopted. To avoid redundancy in the monitoring effort, the findings
of Contract No. HY/2012/08 were used for this reporting month. The details are
presented in Appendix I.
3.4
Site
Inspection
3.4.1
Site inspections were carried out weekly to
monitor the implementation of proper environmental pollution control and
mitigation measures for the Project. A summary of the mitigation measures
implementation schedule is provided in Appendix
E.
3.4.2
17 weekly environmental site inspections were
carried out in the reporting period. Details of observations recorded during
the site inspections are presented in Appendix
F.
3.5.1
The Contractor registered as a chemical waste
producer for the Contract. Sufficient numbers of receptacles were available for
general refuse collection and sorting.
3.5.2
The summary of waste flow table is detailed in
Appendix G.
3.5.3
If off-site disposal is required, the excavated
marine mud from the land-based works shall be disposed of at the designated
disposal sites within Hong Kong as allocated by the Marine Fill Committee or
other locations as agreed by the Director. The Contractor shall ensure no
spilling and overflowing of materials during loading / unloading /
transportation is allowed.
3.5.4
The Contractor was reminded that chemical
waste containers should be properly treated and stored temporarily in
designated chemical waste storage area on site in accordance with the Code of
Practice on the Packing, Labelling and Storage of Chemical Waste.