10.1.1.1
The development of appropriate environmental monitoring and
audit (EM&A) programmes and methodologies are a vital part of the
environmental management and control of the Project. This section further elaborates the
requirements of environmental monitoring and audit (EM&A) for the
construction and operation of the EMSD Hong Kong Workshop project, based on the
assessment results of various issues.
Details of the EM&A programme are presented as part of this EIA
report in a separate stand-alone EM&A Manual, prepared in accordance with
Annex 21 of the EIAO-TM and EPD’s EM&A Guidelines for Development Projects
in Hong Kong.
10.1.1.2
The Environmental Mitigation Implementation Schedule (EMIS)
for the recommended mitigation measures is included in Section 12 of this EIA
report. All EM&A data,
assessment and recommendations would be reported in a series of regular
EM&A reports during the next phases of this Project.
10.1.1.3
The broad objectives of the monitoring and audit process
are:
(i)
to clarify and identify sources of pollution, impact and
nuisance arising from the works;
(ii)
to establish a record of change associated with the
implementation of a project;
(iii)
to verify all or selected parameters measured are in
compliance with legal and contract specifications, internal policies and
standards;
(iv)
to provide an early warning system for impact prevention;
(v)
to provide a database of environmental parameters against
which to determine any short term or long term environmental impacts;
(vi)
to propose timely, cost-effective and viable solutions to
actual or potential environmental issues;
(vii)
to setup event and action plans and determine the degree and
scope of any necessary remedial measures in case of exceedance of compliance,
for which environmental monitoring forms the basis, or the recommendation of
environmental controls in the event that the environmental objectives are not
achieved;
(viii)
to monitor performance of the mitigation and enhancement
measures and to assess their effectiveness and, whenever necessary, identify
any further need for additional measures;
(ix)
to verify the EIA predicted impacts and compare the impact
predictions with actual impacts for the purpose of assessing accuracy of impact
predictions in EIA;
(x)
to collate information and evidence for use in public and
Government consultation; and
(xi)
to audit the environmental performance.
10.2.1.1
In accordance with the findings of the EIA, EM&A
procedures are required during construction and operational phases of the project
implementation and a summary of the requirements for each of the environmental
parameters is detailed in Table 10.1
below. The EM&A requirements
are divided into environmental monitoring and/or project auditing in the form
of site inspection and supervision.
Table 10.1 Summary
of EM&A Requirements
|
Parameter |
Construction Phase |
Operational Phase |
||
|
|
Monitoring |
Audit |
Monitoring |
Audit |
|
Noise |
ü |
ü |
- |
- |
|
Air Quality |
- |
ü |
- |
- |
|
Water
Quality |
- |
ü |
- |
- |
|
Waste/Contaminated
Land |
- |
ü |
- |
- |
|
Landscape
and Visual |
- |
ü |
- |
- |
10.2.1.2
Only monitoring for construction phase noise has been
recommended but regular auditing for all other parameters would be required. Further
details are provided in the sections below.
10.3.1
Construction Phase
10.3.1.1
With the implementation of the recommended mitigation
measures, adverse construction noise impacts from the Project to the NSRs would
not be expected. Noise monitoring
during construction phase needs to be carried out to ensure that such
mitigation measures would be implemented properly. Noise monitoring should be carried out
at the designated monitoring stations, and measurement should be undertaken at
a minimum logging interval of 30 minutes.
Prior to the commencement of the construction works of the EMSD Hong
Kong Workshop, the baseline monitoring should be measured for a continuous
period of at least 14 consecutive days at a minimum logging interval of 30
minutes for daytime. During the
impact monitoring, noise measurement should be conducted at the designated
monitoring locations once a week. Ad hoc noise monitoring should also be
carried out if necessary. Details
of the EM&A programme are provided in a stand-alone EM&A Manual. Weekly site audits are also recommended
to ensure that appropriate mitigation measures are properly implemented during
the construction stage.
10.3.2
Operation Phase
10.3.2.1
Noise monitoring during the operation phase of this Project
is considered not necessary as the proposed Workshop would not expected to
significant noise impact to the adjacent identified NSRs with the
implementation of the recommended mitigation measures.
10.4.1
Construction Phase
10.4.1.1 With the implementation
of the dust suppression measures stipulated in the Air Pollution Control
(Construction Dust) Regulation, good site practices and proposed mitigation
measures, adverse dust impact would not be anticipated at the ASRs in the
vicinity of the construction sites.
As such, dust monitoring is not recommended. However, weekly site audits are
recommended to ensure that appropriate dust control measures are properly
implemented and good construction site practices are adopted throughout the construction
period.
10.4.2.1
Air quality monitoring during the operation phase of this
Project is considered not necessary as the proposed Workshop would not be
expected to significant air quality impacts to the adjacent identified ASRs,
even though the operation would be extended beyond July 2017 as planned.
10.5.1
Construction Phase
10.5.1.1 The key water quality
issues relate to the potential for the release of the silt-laden water from the
construction works sites. The water
quality assessment concluded that minimisation of water quality deterioration
from land-based construction activities could be achieved through implementing
adequate mitigation measures. It is
recommended that regular site inspections should be undertaken by the
contractor and audited by the Engineer’s Representative and the environmental
team on the construction activities and works areas in order to ensure the
recommended mitigation measures are properly implemented.
10.5.2
Operation Phase
10.5.2.1 With the proper
implementation of the recommended mitigation measures for the control of sewage
wastewater treatment, adverse water quality impact would not be anticipated
during the operational phase of the Project, even though the operation would be
extended beyond July 2017 as planned.
Operational water quality monitoring is, therefore, not required.
10.6 Waste Management and Land Contamination
10.6.1
Construction Phase
10.6.1.1 Waste management will be
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 EPD’s regulations and
requirements. The mitigation
measures recommended should form the basis of the site Waste Management Plan to
be developed by the Contractor at the construction stage.
10.6.1.2 It is recommended that
the waste arisings, handling and disposal during construction should be audited
weekly by the Engineer’s Representative and Environmental Team to determine if
the wastes are being managed in accordance with approved procedures and the
site Waste Management Plan. The
audit should look at all aspects of on-site waste management practices
including waste generation, storage, recycling, transport and disposal. Apart from the site inspection, documents
including licences, permits, disposal and recycling records should be reviewed
and audited for compliance with the legislation and contract requirements. In addition, routine site inspections
should check the implementation of the recommended good site practices and
waste management mitigation measures.
10.6.1.3 No monitoring and
auditing are recommended for land contamination during the construction phase,
but the contractor should ensure the proper construction site practices to
ensure no contamination of the Project site due to construction
activities.
10.6.2
Operation Phase
10.6.2.1
With the implementation of the proposed mitigation measures
on waste management and preventive measures on land contamination avoidance for
the operation phase of this Project, significant impact would not be
anticipated, even though the operation would be extended beyond July 2017 as
planned, and therefore no monitoring would be recommended.
10.7 Landscape and Visual Impact Assessment
10.7.1
Construction Phase
10.7.1.1
Given the limited footprint of the proposed works, no
significant impacts on the identified LRs and LCAs will be anticipated except
for impacts on LR6-2 Open Space Vegetation and LCA1 Open Space/Vacant Land due
to felling of 10 common trees of the Project site. Construction phase impacts would not be
anticipated on the visual quality and amenity available to the identified VSRs
except for the users of car parks (VSR-T/O1) adjacent to the Project site who
have limited views and are located at close proximity to the site, and the
high-rise VSRs with more frequent view to the Project site (i.e. VSRs from Tsui
Wan Estate). Construction site
hoardings should be erected to surround the site to minimize the landscape and
visual impacts on viewers from road level.
No monitoring is recommended during the construction phase.
10.7.2
Operation Phase
10.7.2.1
The
Project will result in the felling of 10 common native trees and removal of
some weedy trees (i.e. Leucaena leucocephala)/dead trees within the
Project site. Due to the limited
size of the Project site and the proposed land use (a workshop), no space would
be allowed for the on-site tree compensation. However, after tree felling and site
clearance, the proposed workshop can still be well screened at the southern
boundary by the retained trees and the existing footbridge at
10.7.2.2
Off-site tree compensation would be implemented at EMSD Tuen
Mun Vehicle Servicing Station,
10.7.2.3
The Project consists of low-rise structures/facilities
(including the steel cover and facilities) which would be constructed in dull and
light green color (as shown Figure 8.8)
to resemble the original greenery of provided by the sparse vegetation of the
existing Project site. Rolling
plastic curtains made of durable and non-reflective materials would be
installed along the western site boundary of the Workshop to effectively screen
off the operation activities of the Workshop such that the maintenance
activities would not be visible to the users of the proposed educational
institute (i.e. VSR-O6) during the possible 10-month concurrent operation
period of both sites. These
proposed mitigation measures have been incorporated in the Project design and
would be implemented throughout the operation phase of the Project.
10.7.2.4
No landscape and visual mitigation measures for operation
phase would be recommended in the EM&A stage.