12
Environmental Monitoring and Audit
12.1.2
The following sections
summarize the recommended EM&A requirements with the Project Implementation
Schedule presented in Appendix 12.1. Details of the
EM&A programme and the specific monitoring
requirements are presented in a stand-alone EM&A Manual.
Construction Phase
12.2.1
With the implementation of the
dust suppression measures stipulated in the Air Pollution Control (Construction
Dust) Regulation, good site practices and proposed mitigation measures, no
adverse dust impact would be expected at the ASRs in the vicinity of the work
fronts. Regular dust monitoring
requirements are recommended in the EM&A Manual to ensure the efficacy of
the control measures. Details of the EM&A programme are provided in the stand-alone EM&A
Manual.
Construction Phase
12.3.1
Construction noise impacts at
the representative NSRs from the Project were assessed in this EIA Report. Appropriate mitigation measures are
recommended to alleviate the impacts to meet the EIAO-TM criteria. Noise monitoring during construction
phase would be implemented to check the noise compliance with EIAO-TM criteria
and the effectiveness of mitigation measures. Details of the EM&A programme are provided in the stand-alone EM&A Manual.
Operational Phase
12.3.2
Prior to the operation of the Project,
noise commissioning tests should be conducted to check the compliance of the
planned fixed plant noise source and railway noise. Details of the commissioning tests and monitoring
programme are provided in the stand-alone EM&A
Manual.
Construction
Phase
12.4.1
With the implementation of the
recommended water quality mitigation measures, no adverse water quality impact
would be expected at the WSRs located in the vicinity of the works sites/areas. Regular water quality monitoring and site
inspections should be undertaken to inspect the construction activities and
works sites/areas in order to ensure the recommended mitigation measures are
properly implemented.
Operational
Phase
12.4.2
No adverse water quality impacts
associated with the operation of the Project are expected, and thus no
monitoring and audit programme would be required.
Construction Phase
12.5.1
It is the contractor¡¯s
responsibility to ensure that all wastes produced during the construction of
the Project are handled, stored and disposed of in accordance with the
recommended good waste management practices and relevant legislation and waste
management guidelines. Routine site inspections and auditing would be
conducted to check the implementation of the recommended good site practices
and other waste management mitigation measures.
12.5.2
A Waste Management Plan (WMP)
should be prepared in accordance with ADV-19 and submitted to the Engineer for
approval. The recommended
mitigation measures in this EIA Report should form the basis of the WMP.
Operational Phase
12.5.3
It is expected that there would
be limited quantities of waste to be generated from the operation of the
Project and no adverse environmental impacts is anticipated with the
implementation of good waste management practices. Monitoring and audit programme
for the operation phase of the Project would not be required.
12.6.1
Based on the site appraisal
results, a total of four areas (i.e. TME-S1 to S4) within the proposed works
sites/areas have been identified as potentially contaminated and require
further site investigation if excavation work is confirmed to be conducted. However, the concerned areas are still
in operation and undertaking the site investigation (SI) works at this stage is
not feasible due to significant impact to the existing operations, SI works are
therefore recommended to carry out after decommissioning of the concerned area(s).
If necessary, any soil /
groundwater contamination would be identified and properly treated according to
the approved Remediation Action Plan(s) (RAP). Remediation Report(s) (RRs)
demonstrating the completion of remediation works at the area(s) (if any)
confirmed with contamination will be prepared and submitted to EPD for approval
prior to the commencement of construction works at the contaminated areas.
12.6.2
With the implementation of the
recommended follow-up works for the concerned areas, any soil / groundwater
contamination would be identified and properly treated prior to construction
works at the concerned areas. Specific
EM&A requirement is therefore not required.
12.7
Terrestrial Ecology
Construction Phase
12.7.1
To monitor the effectiveness of
the proposed mitigation measures, monthly monitoring of the existing ardeid night
roost to check the location and status of night roost should be conducted during the course of construction works that occur within
100m from the night roost. For the purpose of the monthly monitoring, result of the ecological field
surveys conducted under this EIA study (between January and June 2021) should
be considered as the baseline. The
applicability of this baseline survey results should be reviewed prior to the commencement
of monitoring, and verification survey should be conducted as necessary to
record and verify the status and location of the ardeid night roost. Good site practices are also
required during the construction phase to minimise the potential indirect
impact. Regular audits and site
inspections should be carried out to ensure that the mitigation measures
recommended in this EIA Report and EM&A Manual (e.g. avoid noisy
construction activities near the night-roost after peak return of ardeids to night
roost during dry season, control of working hours within the 100m buffer zone
from the ardeid night roost, no felling of Chinese Fan-palm trees where
roosting Short-nosed Fruit Bats are observed, and good site practices) are
properly implemented by the Contractor such that there would be no unacceptable
ecological impact on the conservation important species / sites (e.g. night
roosting site and bat day roosting site) due to noise, dust, site run-off, and
other pollutions from the construction sites. Specific details
on the monitoring of the ardeid night roost and the EM&A programme are provided in the stand-alone EM&A Manual.
Operational Phase
12.7.2
Monthly
monitoring during the operational phase should commence immediately after the start
of project operation, covering at least a six-month period, or until the end of
the first entire dry season, whichever is later. Specific details on the monitoring of the ardeid night roost and the EM&A
programme are provided in the stand-alone EM&A
Manual.
Construction Phase
Operational Phase
12.8.2
As
the operation landscape and visual mitigation measures would be provided during
the construction phase, therefore no specific EM&A requirement is required
during operation phase.
Construction Phase
12.9.1
If
there are any buildings / structures both at grade level and underground which
were built on or before 1969 found within the works sites/ works areas during
the excavation, the Project Proponent should alert AMO in an early stage or
once identified. The Contractor should inform the AMO in case of discovery of
antiquities or supposed antiquities in the course of works, so that appropriate
mitigation measures, if needed, can be timely formulated and implemented in
agreement with AMO.
Operational Phase
12.9.2
There
would be no impacts to archaeological and built heritage resources during
operation phase, and therefore no specific EM&A requirement is required.
12.10.1 Regular site inspections during the construction phase should be
undertaken to inspect the construction activities at works areas (ID#9a and
#9b) and works sites (ID#10a and #10b) in order to ensure the recommended
mitigation measures are properly implemented. Details of the audit requirements are
provided in the stand-alone EM&A Manual for the Project.