This
Section describes the requirements for
environmental monitoring and audit during the construction and operation of the
Proposed Beach Development.
With
respect to the scale of the Proposed Beach Development, the low potential
impacts and the nature and frequency of the monitoring and audit to be
undertaken, it is considered that real-time reporting of the monitoring data is
not applicable. The Implementation
Schedule, containing the recommended mitigation measures,
monitoring and audit requirements, and implementation agent of the mitigation
measures for the Proposed Beach Development, is also presented.
The Contractor will be
contractually bound to produce and implement an Environmental Management Plan
(EMP). EMP’s are similar in nature to
safety or quality plans and provide details of the means by which the
Contractor (and all subcontractors working for the Contractor) will implement
the recommended mitigation measures and achieve the environmental performance
standards defined both in
To evaluate Contractor’s
commitment, each contract bidder shall be required to produce a preliminary EMP
as part of the tendering process. The
skeletal EMP will indicate the determination and commitment of the bidding
Contractor and indicate how the contractor intends to meet the environmental
performance requirements laid out in the EIA.
Upon Contract Award, the successful bidder(s) will be required to submit
a draft and final version of the EMP for approval by the project proponent
(Civil Engineering and Development Department) prior to the commencement of the
work.
The EPD requires the
submittal for approval of an EM&A Manual prior to the commencement of
construction. The EM&A Manual
defines the mechanisms for implementing the EM&A requirements specific to
each phase of the work. The EM&A
Manual provides a description of the organisational arrangements and resources
required for the EM&A programme based on the conclusions and
recommendations of this EIA. The
EM&A Manual stipulates details of the construction monitoring required and
actions that shall be taken in the event of exceedances of the environmental
criteria. In effect, the EM&A Manual
forms a handbook for the on-going environmental management during construction.
The EM&A Manual comprises descriptions of the key elements of the
EM&A programme including:
·
Appropriate background information on the
construction of the Proposed Beach Development with reference to relevant
technical reports;
·
Organisational arrangements, hierarchy and
responsibilities with regard to the management of environmental performance
during the construction phase. The EM&A team, the Contractor(s) team and
the CEDD’s representatives are included;
·
A broad construction programme indicating
those activities for which specific mitigation is required and providing a
schedule for their timely implementation;
·
Descriptions of the parameters to be monitored
and criteria through which performance will be assessed including: monitoring
frequency and methodology, monitoring locations (typically, the location of
sensitive receivers as listed in the EIA), monitoring equipment lists, event
contingency plans for exceedances of established criteria and schedule of
mitigation and best practice methods for reduced adverse environmental impacts;
·
Procedures for undertaking on-site
environmental performance audits as a means of ensuring compliance with
environmental criteria; and
·
Reporting procedures.
The EM&A Manual will be a dynamic document which will undergo a
series of revisions, as needed, to accommodate the progression of the
construction programme.
11.3.1 Objectives of EM&A
The objectives of carrying out EM&A for the Proposed Beach
Development include:
·
Providing baseline information against
which any short or long term environmental impacts of the projects can be
determined;
·
Providing an early indication should any of
the environmental control measures or practices fail to achieve the acceptable
standards;
·
Monitoring the performance of the Proposed
Beach Development and the effectiveness of mitigation measures;
·
Verifying the environmental impacts
identified in the EIA;
·
Determining Proposed Beach Development
compliance with regulatory requirements, standards and government policies;
·
Taking remedial action if unexpected
results or unacceptable impacts arise; and
·
Providing data to enable an environmental
audit to be undertaken at regular intervals.
The following sections summarise the recommended EM&A requirements
and further details are provided in the EM&A Manual.
Dust
should be monitored once every 6 days at two locations at ASRs A4 (No. 101 Lung Mei Tsuen)
and A6 (No. 79 Lo Tsz Tin Tsuen) throughout the construction
phase. The parameters to be monitored
include 1-hr and 24-hr total suspended particulates (TSP).
11.5.1
Construction
Phase
Noise monitoring should be carried out during the construction
phase to ensure compliance with the noise criterion at the NSRs. Weekly noise monitoring should be undertaken
at the representative NSRs (N1 – N4) (Table
11.1). If house No. 101 Lung Mei (N2a) is changed to
residential use, noise monitoring should be conducted at N2a instead of
N2. Regular
site audits at the frequency of twice a month should be conducted to ensure
that the recommended mitigation measures are properly implemented during the
construction stage.
Table 11.1: Locations for Construction Noise Monitoring
|
NSR |
Location |
|
N1 |
Village house - No. 165A Lung Mei |
|
N2 |
Village house - No. 103 Lung Mei |
|
N3 |
Village house - No. 70 Lo Tsz Tin |
|
N4 |
Village house - No. 79 Lo Tsz Tin |
11.5.2
Operational
Phase
The predicted
operational noise levels at the representative NSRs are expected to comply with
the daytime criteria based on the assessment using a set of specified maximum
SWLs for the fixed plant to be installed at the Proposed Beach
Development. Attenuation measures, if
required, will be provided to the fixed plant for achieving the guaranteed
noise levels during the detailed design stage, and therefore operational phase
noise monitoring is not required.
In
accordance with the recommendations of the EIA, mitigation measures have been
proposed during the construction phase of the Project. Details of the mitigation measures are
presented in Table 11.3 Implementation
Schedule in this Report.
In
accordance with the recommendations of the EIA, water quality EM&A is
required during dredging and sandfilling activities. In addition, baseline water quality
monitoring will be required prior to the commencement of construction
activities.
11.6.1
Construction
Phase
Water Quality Parameters Measurements of Dissolved Oxygen (DO)
concentration (mg L-1), DO saturation (%), Salinity (mg L-1),
Temperature (ºC) and Turbidity (NTU) should be taken in situ by the EM&A
team at monitoring stations identified below.
Water samples for the measurements of SS (mg L-1) and
chlorophyll-a (µg L-1)
should also be collected for laboratory analysis. In addition to the water quality parameters,
other relevant data should also be measured and recorded in Water Quality
Monitoring Logs including the location of the sampling stations, water depth,
time, weather conditions, sea conditions, tidal stage, current direction and
speed, special phenomena and work activities undertaken around the monitoring
and works area that may influence the monitoring results. The monitoring station locations should be
presented in the EM&A Manual.
The monitoring stations
should be sampled during Baseline Monitoring (prior to the dredging works),
Impact Monitoring (during dredging and sandfilling works) and Post Project
Monitoring (after completion of sandfilling work).
For baseline, impact and
post-project monitoring, monitoring should be undertaken 3 days per week, at
mid-flood and mid-ebb tides, with sampling/ measurement at the designated
stations.
Measurements shall be
taken at 3 water depths: 1m below water surface, mid-depth and 1m above sea
bed, except where the water depth less than 6m, the mid-depth station may be
omitted. Should the water depth be less than 3m, only the mid-depth station
will be monitored.
11.6.2
Post-Construction
Phase
The Post-Construction
Phase is defined as after completion of construction works but before the
operation of the beach. No sewage and
wastewater generated from the beach building facilities will be discharged into
the beach or marine environment, water quality impact due to sewage and
wastewater discharge from the beach building facilities is not anticipated
(refer to EIA Report Section 6).
E. coli Monitoring
Monitoring for E. coli is recommended at the outfall of
the eastern culvert and western channel within six weeks after the completion
of construction works. The purpose of
the monitoring is to investigate the characteristics of E. coli loading in the box culvert/channel and to establish
relationship with E. coli levels at
the beach. Samples will be collected at
the locations specified in
Figure 5.2
at/near the outlet of the outfall when no influx of seawater occur (e.g. during
low tide). During the same tide, E. coli samples should be collected at
EPD’s routine beach monitoring stations.
The sampling team should confirm the locations of EPD’s routine
monitoring stations prior to the commencement of any sampling events. In some occasions, it is not practicable to
take the samples at EPD’s routine monitoring stations, for example, the water
is too shallow. Then the sampling team
should determine the nearest sampling locations which should be as close to
EPD’s stations as possible. The coordinates of all the sampling locations should be
recorded.
E. coli samples should be stored in cool box (4°C) during the sampling and
transportation and should be delivered to the HOKLAS accredited laboratory, or
equivalent, to determine the E. coli
content in the sample.
Other water quality parameters, i.e., pH, Dissolved
Oxygen (DO) concentration (mg L-1), DO saturation (%), Salinity (mg
L-1), Temperature (ºC) and Turbidity (NTU) should be taken in situ
by the sampling team at same monitoring stations as for E.coli measurements.
Observations such as and weather and beach conditions, should also be
recorded.
Sampling
should be conducted twice per week within six weeks after the completion of
construction works.
11.6.3
Operational
Phase([1])
Routine Monitoring of
Beach Water Quality
EPD
has well established a comprehensive water quality monitoring programme for all
gazetted beaches to detect any deterioration of beach water quality, which will
also be implemented for this Lung Mei bathing beach.
EPD’s current monitoring programme requires all gazetted beaches are monitored at least three times per month during bathing seasons. During non-bathing seasons, gazetted beaches are monitored once per month. The monitoring data assists to detect any deterioration of beach water quality. In case the beach water quality tends to be deteriorated, EPD will continue monitoring of the beach water quality and provide Leisure and Cultural Services Department (LCSD) the monitoring data. In case the beach water quality tends to be deteriorated, LCSD will decide the most appropriate method of improving the beach water quality.
In case the beach water
quality at Lung Mei tends to be deterioriated and becomes not desirable for
swimming,
LCSD will close the beach temporarily until the beach water quality becomes
suitable for swimming. EPD will continue monitoring the beach water quality and
provide LCSD the monitoring results.
Red Tides
In the event of red tide
that may occur naturally, similar to the practice adopted for other gazetted
beaches by LCSD, Lung Mei beach may be closed to swimmers in accordance with the relevant
procedures.
11.7.1
Construction
Phase
In order to ensure that
the Contractor has implemented the recommendations of the EIA Report, regular
site audits should be conducted of the waste streams, to determine if wastes
are being managed in accordance with the approved procedures and the site Waste
Management Plan. The audits should look
at all aspects of waste management including waste generation, storage,
recycling, transport and disposal. An
appropriate audit programme should be undertaken with the first audit conducted
at the commencement of the construction works.
Routine weekly site inspections should also include waste management.
11.7.2
Operational
Phase
As it is not expected
that large quantities of waste will be generated from the operation of the
Proposed Beach Development and no adverse environmental impacts will arise with
the implementation of good waste management practices. Waste monitoring and audit programme for the
operational phase of the Proposed Beach Development will not be required.
11.8.1
Construction
Phase
To undertake a one day-time
search of the Common Rat Snake within the land based Proposed Beach Development
just before the commencement of the construction works. All recorded Common Rat Snake should be
caught by hand and translocated to the shrubland at the north of the Study
Area, immediately after the search. The
Common Rat Snake search and translocation works should be undertaken by a
qualified ecologist.
For the mitigation
measures and monitoring requirement to minimise the water quality impact to the
marine ecology during the construction phase of the Proposed Beach Development,
details should be referred to Section 6.6
and Table 11.3.
Good construction site
practices as specified in Section 6.6
and Table 11.3 should be adopted to
minimise the potential ecological impacts during the construction phase of the
Proposed Beach Development.
11.8.2
Operational
Phase
Due to the loss of some
mangrove plants and seedlings recorded within the Proposed Beach Development,
the EIA has recommended that compensation mangrove seedling planting should be
implemented before the operation of the Proposed Beach Development. The mangrove seedling planting should be
located along the diverted eastern box culvert (Figure 10.19 of EIA Report Section
10). The planting mix should be at a
ratio 1:1:1 for Aegiceras corniculatum,
Avicennia marina and Kandelia obovata. Detailed mangrove planting proposal providing
information of planting methodology, recipient site, planting species and mix,
implementation programme, post-planting monitoring and personal involved shall
be submitted to and approved by AFCD.
Mangrove seedling planting would be undertaken and supervised by a
suitably qualified botanist/ horticulturist.
After planting, one year
monitoring should be undertaken to check the performance and health conditions
of the planted individuals on a monthly basis.
Remedial actions should be discussed with AFCD in the event of
unsuccessful mangrove seedling planting.
11.9.1
Construction
Phase
As no unacceptable impacts have been predicted in the EIA to occur during the construction of the beach at Lung Mei, monitoring of fisheries resources during the construction phase is not considered necessary. However, water quality monitoring will be conducted (see EM&A Manual Section 12.6) at the Yim Tin Tsai East Fish Culture Zone.
11.9.2
Operational
Phase
In accordance with the recommendation of the EIA
regarding fisheries impact assessment, EM&A is not required during the
operation phase of the Proposed Beach Development.
11.10.1Construction Phase
Regular site inspections
during the construction phase should be undertaken to maintain the quality of
the constructed landscape. Inspection of the proposed plant material should
also be undertaken prior to delivery on site.
11.10.2Operational Phase
Ongoing
monitoring and maintenance to approved
This section summarises all the mitigation measures recommended in the EIA Study and presents them in the form
of an Implementation Schedule in accordance with the requirements of Section
3.4.9.3 of the EIA Study Brief No. ESB-138/2006 (Table 11.3).
The Implementation Schedule has the
following column headings:
EIA Ref
This denotes the section number or reference from the EIA Report Main text.
EM&A Ref
This
denotes the sequential number of each of the recommended mitigation measures
specified in the Implementation Schedule.
Recommended
Mitigation Measures
This denotes the recommended mitigation measures, courses of
action or subsequent deliverables that are to be adopted, undertaken or
delivered to avoid, reduce or ameliorate predicted environmental impacts.
Objectives of the Recommended Measure and
Main Concerns to be Addressed
This denotes the objectives of the
recommended mitigation measures and main concerns to address.
Location/Duration of Measures/Timing of
Completion of Measures
This
indicates the spatial area in which the recommended mitigation measures are to
be implemented together with details of the programming or timing of their
implementation.
Implementation
Agent
This denotes where the responsibility lies
for the implementation of the recommended mitigation measures.
Implementation
Stage
This
denotes the stage at which the recommended mitigation measures are to be
implemented either during the Design, Construction, Operation or
Decommissioning phases.
Relevant
Legislation
This defines the
controlling legislation that is required to be complied with.
Table 11.3 Implementation
Schedule
|
EIA Ref. |
EM&A Ref |
Environmental
Protection Measures |
Objectives of the
Recommended Measure & Main Concerns to address |
Location/Duration of
Measures/Timing of Completion of Measures |
Implementation Agent |
Implementation Stage |
Relevant Legislation
Guidelines |
|||||||||||||
|
Des |
C |
O |
Dec |
|||||||||||||||||
|
Air Quality – Construction Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
4.5.1 |
- |
Dust Control
a
Vehicle washing facilities should be provided at the
designated vehicle exit point;
b
Every vehicle should be washed to remove any dusty
materials from its body and wheels immediately before leaving the worksite;
c
The load carried by the trucks should be covered entirely
to ensure no leakage from the vehicles;
d
Hoarding of not less than 2.4 m high from ground level
should be provided along the entire length of that portion of the site
boundary adjoining a road or other area accessible to the public except for a
site entrance or exit;
e
The main haul road should be kept clear of dusty materials
and should be sprayed with water so as to maintain the entire road surface
wet at all the time;
f
The stockpile of dusty materials should be either covered
entirely by impervious sheets; place in an area sheltered on the top and
three sides; or sprayed with water to maintain the entire surface wet at all
the time;
g
Belt conveyor system should be enclosed on the top and two
sides;
h
The height of the belt conveyor should be kept as low as
possible to avoid delivery at height; and
i
All
the exposed area should be kept wet always to minimise dust emission.
|
To ensure dust emission is controlled and compliance with relevant statutory requirements |
Project
Site / During construction |
Contractor |
|
P |
|
|
Air
Pollution Control (Construction Dust) Regulations |
||||||||||
|
4.5.1 |
- |
Air Quality Control
a
All dump trucks entering or leaving the Project Site should
be provided with mechanical covers in good service condition; and
b
Ultra-low-sulphur diesel (ULSD)
should be used for all construction plant on site.
|
To ensure air quality standards compliance with relevant statutory requirements |
Project
Site / During construction |
Contractor |
|
P |
|
|
ETWC TC No 19/2005 |
||||||||||
|
4.7.1 |
- |
EM&A Requirements
Regular site audits (at a
frequency of not less than once every two weeks) are recommended. |
To ensure
that appropriate dust control measures are implemented and good site
practices are adopted |
Project Site / During
construction |
ET and Contractor |
|
P |
|
|
Air Pollution Control (Construction Dust) Regulations |
||||||||||
|
4.7.1 |
3.0-3.7 |
Implementation of a
construction dust monitoring in every six days
|
To ensure
compliance with the relevant criterion during the construction works. |
ASRs A4 (No. 101 Lung Mei
Tsuen) and A6 (No. 79 Lo Tsz Tin tsuen) / during construction |
ET and Contractor |
|
P |
|
|
Air Pollution Control (Construction Dust) Regulations |
||||||||||
|
Noise – Design Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
5.4.2 (Table 5.7) |
|
The maximum allowable SWLs
presented in Table 5.7 of the EIA Report should be included in the tender
specification to ensure the assumptions for the operational noise impact
assessment remain valid.
The suppliers of equipment
should guarantee the specified SWLs, with the characteristics of tonality,
impulsiveness and intermittency accounted for, by providing certificate of
measurement and verify the SWL during testing and commissioning in accordance
with international standard procedures.
If necessary, the suppliers
should apply attenuation measures (eg use of silencers) to achieve the
guaranteed noise levels during the detailed design stage. |
To reduce the operational noise impact. |
Project
Site / During design |
CEDD/LCSD |
P |
|
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
Noise – Construction Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
5.6.1 |
|
Site hoardings at the
particular work site boundary may be provided for achieving screening effect,
provided that the hoardings have no openings or gaps and meet the same
specifications for movable noise barriers. The proposed movable noise barriers
should be at least 3m high with a surface density of not less than 7 kg m-2,
which could provide a minimum of 5 dB(A) attenuation. Skid footing of movable noise barriers
should be located at a distance not more than a few metres of stationary
plant and mobile plant such that the NSRs would not have direct line of sight
to the plant. The length of the
barriers should also be at least five times greater than its height. |
To reduce the construction noise impact. |
Project
Site / During construction |
ET
and Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.12) |
- |
The following Quiet Powered
Mechanical Equipment (PME) should be used during the construction Phase.
·
Mobile Crane, SWL listed in
the data base of quality powered mechanical equipment prepared by the Noise
Control Authority, 107 dB(A);
·
Tracked Loader, British
Standard 5228 – Table C3, Reference No. 16, 104 dB(A);
·
Pneumatic breaker, British
Standard 5228 – Table C2, Reference No. 10, 110 dB(A);
·
Concrete Lorry Mixer British
Standard 5228 – Table C6, Reference No. 23, 100 dB(A); and
·
Excavator British Standard 5228
- Table C3, Reference No. 97, 105 dB(A). |
To reduce the construction noise impact.
|
Project Site / During construction phase |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Construction Works on
Land
Movable noise barrier should
be provided for excavator and mobile crane;
Timber sawing machine should
be operated behind site hoarding/ movable noise barrier; and
Concrete lorry mixer should
be operated behind site hoarding/movable noise barrier. |
To reduce the construction noise impact. |
Project Site / During the Site Formation, construction of seawall,
ramp, staircase, retaining walls, sump tanks for grey water system and
superstructure foundation |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Timber sawing machine should
be operated behind movable noise barrier; and
Movable noise barrier should
be provided for excavator and mobile crane. |
To reduce the construction noise impact. |
Project Site / During the localised road widening works along |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Car Park Paving
Movable noise barrier should
be provided for excavator. |
To reduce the construction noise impact. |
Project Site / During the car park paving |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Building Works
Movable noise barrier should
be provided for excavator, mobile crane and earth auger; and
Timber sawing machine should be operated
behind site hoarding/ movable noise barrier. |
To reduce the construction noise impact. |
Project Site / During foundation and tanking works |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Movable noise barrier should be provided
for mobile crane; and
Timber sawing machine should be operated
behind site hoarding/ movable noise barrier. |
To reduce the construction noise impact. |
Project Site / During superstructure works |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Movable noise barrier should be provided
for mobile crane. |
To reduce the construction noise impact. |
Project Site / During building finishes & internal fitting-out
|
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Rock filling for the Groynes
Movable noise barrier should be provided
for excavator and derrick lighter. |
To reduce the construction noise impact. |
Project Site / During the construction of gabion channel |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Box Culvert Construction
Movable noise barrier should be provided
for excavator. |
To reduce the construction noise impact. |
Project Site / During the construction of gabion channel |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Movable noise barrier should be provided
for excavator, mobile crane; and
Concrete lorry mixer should be operated
behind site hoarding/movable noise barrier. |
To reduce the construction noise impact. |
Project Site / During the construction of western culvert |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Concrete lorry mixer should be operated
behind site hoarding/movable noise barrier. |
To reduce the construction noise impact. |
Project Site / During the construction of eastern culvert |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Site hoarding should be
provided for work site. |
To reduce the construction noise impact. |
Project Site / During the construction of 90m box culvert |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 (Table 5.13) |
- |
Sand Filling
Movable noise barrier should be provided
for excavator. |
To reduce the construction noise impact. |
Project Site / During the construction of gabion channel |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.7.1 |
- |
Good Site Practice
Only well-maintained plant should
be operated on-site and plant should be serviced regularly during the
construction programme;
Silencers or mufflers on
construction equipment should be utilized and should be properly maintained
during the construction programme;
Mobile plant, if any, should
be sited as far from NSRs as possible;
Machines and plant (such as
trucks) that may be in intermittent use should be shut down between work
periods or should be throttled down to a minimum;
Plant known to emit noise
strongly in one direction should, wherever possible, be orientated so that
the noise is directed away from the nearby NSRs; and
Material stockpiles and other
structures should be effectively utilised, wherever practicable, in screening
noise from on-site construction activities. |
To reduce the construction noise impact. |
Project Site / Throughout the construction period |
Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
5.9.1 |
4.1 |
EM&A Requirements
Implementation of weekly
construction noise monitoring at the representative NSRs. |
To ensure compliance with the relevant criterion during the
construction works. |
N1, N2/N2a, N3 & N4/ Throughout the |
ET and Contractor |
|
P |
|
|
Noise
Control Ordinance (NCO)
and Annex 5 of the EIAO-TM |
||||||||||
|
Noise – Operational Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
5.9.2 |
- |
EM&A Requirements
No noise monitoring is
required during operational phase.
|
- |
- |
- |
|
|
|
|
- |
||||||||||
|
Water Quality – Construction Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
6.6.1 |
- |
Dredging and Sandfilling
Operations Sandfilling works should
be carried out after the completion of groyne construction. |
To further
minimise the SS level during sandfilling works |
Project Site / During sandfilling |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 and Figure 6.20 |
- |
A movable cage type /
metal frame type silt curtain will be deployed around the dredging area next
to the grab dredger prior to commencement of dredging works. |
To further
minimise the SS level during the dredging and sandfilling works |
Project Site / During dredging and sandfilling |
Contractor |
|
P |
|
|
Annex
6 of the EIAO-TM |
||||||||||
|
6.6.1
and Figure 6.21 |
- |
Standing type silt
curtains will be deployed around the proposed sandfilling extent prior to
commencement of sandfilling works. |
To further
minimise the SS level during the dredging and sandfilling works |
Project Site / During dredging and sandfilling |
Contractor |
|
P |
|
|
Annex
6 of the EIAO-TM |
||||||||||
|
6.6.1 |
- |
A hourly dredging rate of a
closed grab dredger (with a minimum grab size of 3 m3) should be
less than 31 m3 hr-1, with reference to the maximum
rate for dredging, which was derived in the EIA. |
To further minimise the SS level during the dredging works |
Project Site / During dredging |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
A daily filling rate should
be less than 1,000 m3 day-1, which was defined in the
EIA. |
To further minimise the SS level during the sandfilling works |
Project Site / During sandfilling |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
Mechanical grabs should be
designed and maintained to avoid spillage and should seal tightly while being
lifted. |
To further minimise the SS level during the dredging works |
Project Site / During dredging |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
Barges or hoppers should have
tight fitting seals to their bottom openings to prevent leakage of material. |
To further minimise the SS level during the dredging and sandfilling
works |
Project Site / During dredging and sandfilling |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
Loading of barges or hoppers
shall be controlled to prevent splashing of dredged material to the
surrounding water. |
To further minimise the SS level during the dredging works |
Project Site / During dredging |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
Barges or hoppers should not be filled to
a level which will cause overflow of materials or pollution of water during
loading or transportation. |
To further minimise the SS level during the dredging and sandfilling
works |
Project Site / During dredging and sandfilling |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
Excess material should be
cleaned from the decks and exposed fittings of barges or hoppers before the
vessel is moved. |
To further minimise the SS level during the dredging and sandfilling
works |
Project Site / During dredging and sandfilling |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
Adequate freeboard should be
maintained on barges to reduce the likelihood of decks being washed by wave
action. |
To further minimise the SS level during the dredging and sandfilling
works |
Project Site / During dredging and sandfilling |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
All vessels should be sized
such that adequate clearance is maintained between vessels and the seabed at
all states of the tide to ensure that undue turbidity is not generated by
turbulence from vessel movement or propeller wash. |
To further minimise the SS level during the dredging and sandfilling
works |
Project Site / During dredging and sandfilling |
Contractor |
|
P |
|
|
- |
||||||||||
|
6.6.1 |
- |
The works should not cause
foam, oil, grease, litter or other objectionable matter to be present in the
water within and adjacent to the Project Site. |
To further minimise the SS level during the dredging and sandfilling
works |
Project Site / During dredging and sandfilling |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
Construction Site Runoff
The excavation works for the drainage diversions
should be carried out to minimise any seawater influx entering the works area
and hence to keep the works area dry as much as possible.
|
To ensure the works area will be kept dry as much as
possible and hence avoid construction site runoff |
Project Site / During excavation for the drainage diversions |
Contractor |
|
P |
|
|
-
|
||||||||||
|
6.6.1
and
Figure 6.21 |
- |
Silt curtains at the inshore waters should be
deployed to enclose the works area before the commencement of the excavation
works for two drainage diversions until the completion of the
diversions. |
To avoid any adverse water quality impacts resulting from
the site runoff due to heavy rainfall |
Project Site / During excavation for the drainage diversions |
Contractor |
|
P |
|
|
-
|
||||||||||
|
6.6.1 |
- |
At the start of site
establishment, perimeter cut-off drains to direct off-site water around the
site should be constructed and internal drainage works and erosion and
sedimentation control facilities implemented. Channels, earth bunds or sand bag
barriers should be provided on site to direct stormwater to silt removal
facilities. The design of
efficient silt removal facilities should be based on the guidelines in Appendix A1 of ProPECC PN 1/94. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
All the surface runoff should
be collected by the on-site drainage system and diverted through the silt
traps prior to discharge into storm drain. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
All exposed earth areas
should be completed as soon as possible after earthworks have been completed,
or alternatively, within 14 days of the cessation of earthworks, where
practicable. If excavation of
soil cannot be avoided during the rainy season, or at any time of year when
rainstorms are likely, exposed slope surfaces should be covered by tarpaulin
or by other means. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
All drainage facilities and
erosion and sediment control structures should be regularly inspected and
maintained to ensure proper and efficient operation at all times and
particularly following rainstorms.
Deposited silt and grit should be removed regularly and disposed of by
spreading evenly over stable, vegetated areas. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
Measures should be taken to
reduce the ingress of site drainage into excavations. If the excavation of trenches in wet
periods is necessary, they should be dug and backfilled in short sections
wherever practicable. Water
pumped out from trenches or foundation excavations should be discharged into
storm drains via silt removal facilities. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
Open stockpiles of
construction materials (for example, aggregates, sand and fill material) of
more than 50 m3 should be covered with tarpaulin or similar fabric
during rainstorms. Measures
should be taken to prevent the washing away of construction materials, soil,
silt or debris into any drainage system. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
Manholes (including newly
constructed ones) should always be adequately covered and temporarily sealed
so as to prevent silt, construction materials or debris being washed into the
drainage system. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
Precautions to be taken at
any time of year when rainstorms are likely, actions to be taken when a
rainstorm is imminent or forecasted, and actions to be taken during or after
rainstorms are summarised in Appendix
A2 of ProPECC PN 1/94. Particular attention should be paid to
the control of silty surface runoff during storm events, especially for areas
located near steep slopes. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
Oil interceptors should be
provided in the drainage system and regularly emptied to prevent the release
of oil and grease into the storm water drainage system after accidental
spillages. The interceptor should
have a bypass to prevent flushing during periods of heavy rain. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
All temporary and permanent
drainage pipes and culverts provided to facilitate runoff discharge should be
adequately designed for the controlled release of storm flows. All sediment traps should be regularly
cleaned and maintained. The
temporary diverted drainage should be reinstated to the original condition
when the construction work has finished or the temporary diversion is no
longer required. |
To minimise the construction site runoff |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
ProPECC
PN 1/94 |
||||||||||
|
6.6.1 |
- |
Sewage Generated by Workforce
Sewage from toilets should be
collected by a licensed waste collector. |
To prevent contamination to nearby environment |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
Water
Pollution Control Ordinance |
||||||||||
|
6.6.1 |
- |
Storage and Handling
of Oil, Other Petroleum Products and Chemicals
Waste streams classifiable as
chemical wastes should be properly stored, collected and treated for
compliance with Waste Disposal
Ordinance or Disposal (Chemical Waste) (General) Regulation requirements. |
To prevent contamination to nearby environment |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
Waste
Disposal Ordinance |
||||||||||
|
6.6.1 |
- |
All fuel tanks and chemical
storage areas should be provided with locks and be sited on paved areas. |
To prevent contamination to nearby environment |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
Waste
Disposal Ordinance |
||||||||||
|
6.6.1 |
- |
The storage areas should be
surrounded by bunds with a capacity equal to 110% of the storage capacity of
the largest tank to prevent spilled oil, fuel and chemicals from reaching the
receiving waters. |
To prevent contamination to nearby environment |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
Waste
Disposal Ordinance |
||||||||||
|
6.6.1 |
- |
Oil leakage or spillage
should be contained and cleaned up immediately. Waste oil should be collected and
stored for recycling or disposal, in accordance with the Waste Disposal Ordinance.
The Contractors should prepare guidelines and procedures for immediate
clean-up actions following any spillages of oil, fuel or chemicals. |
To prevent contamination to nearby environment |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
Waste
Disposal Ordinance |
||||||||||
|
6.6.1 |
- |
Vehicle and plant servicing
areas, vehicle wash bays and lubrication bays should, as far as possible, be
located within roofed areas. The
drainage in these covered areas should be connected to foul sewers via a
petrol interceptor. |
To prevent contamination to nearby environment |
Project Site / During land based construction works |
Contractor |
|
P |
|
|
Waste
Disposal Ordinance |
||||||||||
|
6.9.1 and 11.6.1 |
5.1 |
EM&A Requirements
Monitoring
of marine water quality during the construction phase is considered necessary
to evaluate whether any impacts would be posed by these marine works on the
surrounding waters during the operation of dredging and filling works. |
To ensure the construction works would not arise any
impacts to the surrounding waters |
Marine water outside the Project Site / During dredging and filling
works |
ET and Contractor |
|
P |
|
|
- |
||||||||||
|
Water Quality – Post-Construction Phase (After
the completion of the construction and before the operation of the beach) |
||||||||||||||||||||
|
6.9.2 and 11.6.2 |
5.2 |
EM&A
Requirements
E.
coli monitoring should be conducted at the outlet
of two diverted drains and at EPD’s beach water monitoring stations for the
identification of pollution loading and to establish relationship between the
loading and EPD’s beach monitoring programme.
|
To investigate the pollution loading of E. coli and to establish relationship
with EPD’s beach monitoring data |
Two diverted drains and the |
ET |
Post-Construction Phase (After the completion of the construction and
before the operation of the beach) |
- |
|||||||||||||
|
Water Quality – Operational Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
6.6.2 |
- |
Surface Runoff from
Project Site
A petrol interceptor should
be provided in the drainage system and regularly emptied to prevent the
release of oil and grease into the storm water drainage system after
accidental spillages. The
interceptor should have a bypass to prevent flushing during periods of heavy
rain. Where appropriate, the
design should follow or of similar functions as stated in the ProPECC PN 1/94. |
To prevent contamination to nearby environment |
|
Operator |
P |
|
P |
|
Water
Pollution Control Ordinance and ProPECC PN 1/94 |
||||||||||
|
6.6.2 |
- |
Oil leakage or spillage should be contained
and cleaned up immediately. Waste
oil should be collected and stored for recycling or disposal in accordance
with the Waste Disposal Ordinance. |
To prevent contamination to nearby environment |
Beach Building Facility / During operation |
Operator |
P |
|
P |
|
Waste
Disposal Ordinance |
||||||||||
|
Waste Management – Construction Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
7.6 |
- |
The
Contractor should submit the plan to Project Proponent’s Engineer
Representative for endorsement prior to the commencement of the construction
works. The plan should
incorporate site-specific factors, such as the designation of areas for the
segregation and temporary storage of reusable and recyclable materials. |
To
ensure that adverse environmental impacts are prevented |
Project
Site / Contract mobilisation and during construction |
Contractor |
P |
P |
|
|
- |
||||||||||
|
7.6 |
- |
It
will be the Contractor’s responsibility to ensure that only reputable
licensed waste collectors are used and that appropriate measures to reduce
adverse impacts, including windblown litter and dust from the transportation
of these wastes, are employed. |
To
ensure that adverse environmental impacts are prevented |
Project
Site / Contract mobilisation and during construction |
Contractor |
P |
P |
|
|
- |
||||||||||
|
7.6 |
- |
The Contractor must ensure
that all the necessary permits or licences required under the Waste Disposal
Ordinance are obtained for the construction phase. |
To
ensure compliance with relevant statutory requirements |
Project
Site / Contract mobilisation and during construction |
Contractor |
P |
P |
|
|
- |
||||||||||
|
7.6 |
- |
Waste
Management Hierarchy
·
Nomination of approved
personnel to be responsible for good site practices, arrangements for
collection and effective disposal to an appropriate facility of all wastes
generated at the site;
·
Training of site personnel in
proper waste management and chemical handling procedures;
·
Provision of sufficient waste
disposal points and regular collection for disposal;
·
Appropriate measures to
reduce windblown litter and dust transportation of waste by either covering
trucks or by transporting wastes in enclosed containers;
·
Separation of chemical wastes
for special handling and appropriate treatment at the Chemical Waste
Treatment Centre;
·
Regular cleaning and
maintenance programme for drainage systems, sumps and oil interceptors; and
·
A recording system for the
amount of wastes generated/recycled and disposal sites. |
To
ensure that adverse environmental impacts are prevented |
Project
Site / Contract mobilisation and during construction |
Contractor |
P |
P |
|
|
Waste
Disposal (Charges for Disposal of Construction Waste) Regulation;
Works
Bureau Technical Circular No.31/2004; and Annex 5 and Annex 6 of Appendix G of ETWBTC No.
19/2005 |
||||||||||
|
|
- |
Waste
Reduction Measures
·
Segregation and storage of
different types of waste in different containers, skips or stockpiles to
enhance reuse or recycling of material and their proper disposal;
·
Encourage collection of
aluminium cans and waste paper by individual collectors during construction
with separate labelled bins being provided to allow the segregation of these
wastes from other general refuse generated by the workforce;
·
Any unused chemicals and
those with remaining functional capacity be recycled as far as possible;
·
Use of reusable non-timber
formwork to reduce the amount of C&D materials;
·
Prior to disposal of
construction waste, wood, steel and other metals should be separated, to the
extent practical for re-use and/or recycling to reduce the quantity of waste
to be disposed at landfills;
·
Proper storage and site
practices to reduce the potential for damage or contamination of construction
materials; and
·
Plan and stock construction
materials carefully to reduce amount of waste generated and avoid unnecessary
generation of waste.
|
To
reduce construction waste generation |
Project
Site / During construction |
Contractor |
|
P |
|
|
- |
||||||||||
|
7.6.1 |
- |
Dredging
Materials
The
final disposal site for the dredged sediments should be determined by the MFC
and a dumping licence should be obtained from EPD prior to the commencement
of the dredging works.
Uncontaminated sediments should be disposed of at open sea disposal
sites designated by the MFC. For
contaminated sediments requiring Type 2 confined marine disposal, relevant
contract documents should specify the allocation conditions of the MFC and
EPD. |
To
ensure adverse environmental impacts are prevented |
Dredging
area / During construction |
Contractor |
|
P |
|
|
Dumping at Sea Ordinance
|
||||||||||
|
7.6.2 |
- |
Excavated Materials and
C&D Waste
Management
of Waste Disposal
The
contractor should open a billing account with EPD in accordance with the
Waste Disposal (Charges for Disposal of Construction Waste) Regulation for
the payment of disposal charges.
Every waste load transferred to Government waste disposal facilities
such as public fill, sorting facilities, or landfills should require a valid
“chit” which contains the information of the account holder to facilitate
waste transaction recording and billing to the waste producer. A trip-ticket system should be
established in accordance with ETWBTC No. 31/2004 to monitor the reuse of
surplus excavated materials off-site and disposal of construction waste and
general refuse at transfer stations/landfills, and to control fly-tipping. The billing “chit” and trip-ticket
system should be included as one of the contractual requirements and
implemented by the contractor.
Regular audits of the waste management measures implemented on-site as
described in the Waste Management Plan should be conducted.
A
recording system (similar to summary table as shown in Annex 5 and Annex 6 of
Appendix G of ETWBTC No. 19/2005)
for the amount of waste generated, recycled and disposed of (including the
disposal sites) will be established during the construction phase. |
To
properly handle the excavated materials and C&D waste and thus avoid any
adverse impacts |
Project
Site / During construction |
Contractor |
|
P |
|
|
Waste
Disposal (Charges for Disposal of Construction Waste) Regulation
|
||||||||||
|
7.6.2 |
- |
Reduction
of C&D Materials Generation
Public
fill and construction waste should be segregated and stored in different
containers or skips to facilitate reuse or recycling of the public fill and
proper disposal of the construction waste. Specific areas of the work site should
be designated for such segregation and storage if immediate use is not
practicable.
To
reduce the potential dust and water quality impacts of site formation works,
C&D materials should be wetted as quickly as possible to the extent
practicable after excavation/filling.
|
To
reduce the generation of C&D waste |
Project
Site / During construction |
Contractor |
|
P |
|
|
- |
||||||||||
|
7.6.3 |
- |
Chemical Waste
The
Contractor should register as a chemical waste producer with the EPD. Chemical waste, as defined by Schedule
1 of the Waste Disposal (Chemical Waste) (General) Regulation, should be
handled in accordance with the Code of Practice on the Packaging, Handling
and Storage of Chemical Wastes.
Containers used for the storage of chemical wastes should:
·
Be suitable for the substance
they are holding, resistant to corrosion, maintained in a good condition, and
securely closed;
·
Have a capacity of less than
450 L unless the specifications have been approved by the EPD; and
·
Display a label in English
and Chinese in accordance with instructions prescribed in Schedule 2 of the
Regulations.
The storage area for chemical
wastes will:
·
Be clearly labelled and used
solely for the storage of chemical waste;
·
Be enclosed on at least 3
sides;
·
Have an impermeable floor and
bunding, of capacity to accommodate 110% of the volume of the largest
container or 20% by volume of the chemical waste stored in that area,
whichever is the greatest;
·
Have adequate ventilation;
·
Be covered to prevent
rainfall entering (water collected within the bund must be tested and
disposed of as chemical waste, if necessary); and
·
Be arranged so that
incompatible materials are appropriately separated. Chemical waste should be collected by a licensed chemical waste collector to a facility licensed to receive chemical waste, such as the Chemical Waste Treatment Facility. |
To
ensure proper handling of chemical waste |
Project
Site / During construction |
Contractor |
|
P |
|
|
Code of Practice on the Packaging, Handling and
Storage of Chemical Wastes |
||||||||||
|
7.6.4 |
- |
Sewage
An adequate
number of portable toilets should be provided for the on-site construction
workforce during construction phase.
All portable toilets should be maintained in a state that will not
deter the users from using them.
Night soil should be regularly collected by a licensed collector for
disposal. The sewage generated
from the visitors during operation of the Proposed Beach Development should
be discharged to the adjacent foul sewer conveying to Tai Po Sewage Treatment
Works for treatment. |
To
ensure proper handling of sewage |
Project
Site / During construction |
Contractor |
|
P |
|
|
- |
||||||||||
|
7.6.5 |
- |
General Refuse
General
refuse should be stored in enclosed bins or compaction units separately from
construction and chemical wastes.
A reputable waste collector should be employed to remove general
refuse from the site, separately from construction and chemical wastes, on a
daily basis to reduce odour, pest and litter impacts. The burning of refuse on construction
sites is prohibited by law.
Recycling
bins should be provided at strategic locations to facilitate recovery of
aluminium cans and waste paper from the Project Site. Materials recovered should be sold for
recycling. |
To
ensure proper handling of general refuse |
Project
Site / During construction |
Contractor |
|
P |
|
|
- |
||||||||||
|
7.6.6 |
- |
Staff Training
Training
should be provided to workers on the concept of site cleanliness and
appropriate waste management procedures, including waste reduction, reuse and
recycling at the beginning of the construction works. |
To
ensure that adverse environmental impacts are prevented |
Project
Site / Contract mobilisation and during construction |
Contractor |
P |
P |
|
|
- |
||||||||||
|
7.7 |
6.1 |
EM&A Requirements
Joint site audits by the
Environmental Team and the Contractor should be undertaken on a weekly
basis. Particular attention
should be given to the Contractor’s provision of sufficient spaces, adequacy
of resources and facilities for on-site sorting and temporary storage of
C&D materials. The C&D
materials to be disposed of from the Project Site should be visually
inspected. The public fill for
delivery to the off-site stockpiling area should contain no observable
non-inert materials (e.g., general refuse, timber, etc).
The waste to be disposed of
at refuse transfer stations or landfills should as far as possible contains
no observable inert or reusable/recyclable C&D materials (e.g., soil,
broken rock, metal, and paper/cardboard packaging, etc). Any irregularities observed during the
weekly site audits should be raised promptly to the Contractor for rectification.
|
To
ensure that adverse environmental impacts are prevented |
Project
Site / During construction |
ET
and Contractor |
|
P |
|
|
- |
||||||||||
|
Waste Management – Operational Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
7.7 |
- |
EM&A Requirements
EM&A is not required
during the operation phase of the Proposed Beach Development. |
- |
- |
- |
|
|
|
|
- |
||||||||||
|
Ecology
– Construction Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
8.10.2 |
7.1 |
Measures for Common
Rat Snake To undertake a search of the Common Rat Snake within
the land based Project Site just before the commencement of the construction
works. Due to the small size of
the Project Site and given that there are no optimal habitats for Common Rat
Snake, one day-time search is considered sufficient. The surveyor(s) should actively search
the areas within the Project Site and pay special attention to the leaf
litters and rocks. All recorded
Common Rat Snake should be caught by hand and translocated to the shrubland
at the north of the Study Area, immediately after the search. The Common Rat Snake search and
translocation works should be undertaken by a qualified ecologist with
relevant experience in faunal translocation works. |
To ensure that adverse impacts arising from the
Project to Common Rat Snake are prevented
|
Project Site (land based) / prior to
commencement of construction works
|
ET / Qualified Ecologist
|
P |
|
|
|
- |
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|
8.10.2 |
- |
Dredging and Sand Filling Operations It is predicted that the sediment plume and the
sediment deposition will not be large in extent and no unacceptable water
impacts including DO depletion, release of contaminants and nutrients are
expected. Although no
unacceptable water quality impacts would result, the following good
construction site practice and proactive precautionary measures are
recommended to ensure dredging and sandfilling operations would be undertaken
in such a manner as to avoid any uncontrolled or unexpected incidents during
the marine works:
·
A movable cage type / metal frame type
silt curtain should be deployed around the dredging area next to the grab
dredger prior to commencement of dredging works;
·
Standing type silt curtains should be
deployed around the proposed sandfilling extent prior to commencement of
sandfilling works; and · Proper equipment, dredging rate, filling rate and good construction practices should be implemented, details refer to Section 6.6.1. |
To minimise ecological impacts arising from dredging and sand filling
works |
Project Site / During dredging and sand filling
works |
Contractor |
|
P |
|
|
- |
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|
8.10.2 |
- |
Measures for Controlling Construction Runoff
·
Storm water run-off from the construction
site should be directed into existing drainage channel via adequately
designed sand/silt removal facilities such as sand/silt traps and oil
interceptors. Channels, earth
bunds or sand bag barriers should be provided on site to properly direct storm
water to such silt removal facilities. |
To minimise ecological impacts of construction runoff |
Project Site / During dredging and filling works |
Contractor |
|
P |
|
|
- |
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|
8.10.2 |
- |
Planting along the Western Drainage Diversion
·
Provide tree/ shrub/ climber planting
along the gabion wall of the new drainage channel. Regular monitoring and removal of the
weed plant Mikania micrantha during the establishment and maintenance period. |
To provide an ecological habitat |
Along gabion wall of the new western drainage channel/
After completion of the gabion |
Contractor |
|
P |
P |
|
- |
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|
8.10.2 |
- |
Good Construction Practices
·
Erect fences along the boundary of the
Extension Site before the commencement of works to prevent vehicle movements,
and encroachment of personnel, onto adjacent areas; and
·
Regularly check the work site boundaries
to ensure that they are not breached and that damage does not occur to
surrounding areas. |
To avoid any adverse ecological impacts |
Project Site / During construction works |
Contractor |
|
P |
|
|
- |
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|
Ecology – Operational Phase |
|
|
|
|
|
|
|
|
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8.10.3 |
- |
A total of approximately 382
mangrove seedlings will be provided.
Detailed mangrove seedling planting proposal providing information of
planting methodology, recipient sites, planting species and mix, implementation
programme, post-planting monitoring and personal involved shall be submitted
to and approved by EPD and AFCD.
Mangrove seedling planting
should be undertaken and supervised by a suitably qualified botanist/
horticulturist. After planting,
one year monitoring should be undertaken to check the performance and health
conditions of the planted individuals on a monthly basis. Remedial actions should be discussed
with AFCD in the event of unsuccessful mangrove seedling planting and follow
an approved Event and Action Plan as indicated in Table 8.30 of the EIA
Report. |
To monitoring the conditions of mangroves after
re-planting |
Next to Eastern Box Culvert / after plantation works |
ET/ Qualified Ecologist |
|
|
P |
|
- |
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|
8.10.3 and 8.12.2 |
7.2 |
Mangrove seedling planting location
is proposed along the outer sides of the groynes and western drainage channel
at a level of about 1.2 to 1.6 mPD with a total size of 300 m2. After planting, one year monitoring
will be undertaken to check the performance and health conditions of the
planted individuals on a monthly basis.
Regular monitoring and removal of the weed plant Mikania micrantha during the establishment and maintenance
period. |
To monitoring the conditions of mangroves after
re-planting |
Next to Eastern Box Culvert / after plantation works |
ET/ Qualified Ecologist/Contractor |
|
|
P |
|
- |
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|
Fisheries – Construction Phase |
|
|
|
|
|
|
|
|
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|
9.10.1 |
- |
EM&A Requirements
EM&A is not required
during the construction phase of the Project. However, water quality
monitoring will be conducted at the Yim Tin Tsai Fish Culture Zone. Details should be referred to the
Water Quality Section. |
To ensure that no water quality deterioration in the Fish
Culture Zone as a result of the dredging and sandfilling works |
Details refer to Section 12.6 of the EM&A Manual. |
ET and Contractor |
|
P |
|
|
Environmental
Impact Assessment Ordinance, Annex 21 of the
EIAO-TM |
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|
Fisheries – Operational Phase |
|
|
|
|
|
|
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9.10.2 |
- |
EM&A Requirements
EM&A is not required
during the operation phase of the Proposed Beach Development. |
|
|
|
|
|
|
|
- |
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|
Landscape and Visual Impact – Construction
Phase |
|
|
|
|
|
|
|
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|
10.5.1 |
- |
Landscape Mitigation
A
Landscape Plan will be submitted before the commencement of Works. |
To provide landscaping work. |
Before commencement of construction phase |
ET and Contractor |
P |
|
|
|
- |
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|
10.6.10 |
- |
Cultivation of areas
impacted during construction.
Areas impacted during the construction
phase that are not required during the operation phase, are to be cultivated
to a depth of 300mm in accordance with accepted |
To improve the soil allowing plants to thrive |
Project Site / During
construction |
Contractor |
|
P |
|
|
- |
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|
10.6.10 |
- |
Car Park Tree
Planting. Advanced trees are to be planted in the
car park |
To provide shade to the carpark areas and to reduce the mass of the
paved areas |
Project Site / During
construction |
Contractor |
|
P |
|
|
- |
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|
10.6.10 |
- |
Tree and shrub
planting.
All planting of trees and shrubs is to be carried out in accordance
with the relevant best practice guidelines. Plant densities are to be provided in
future detailed design documents and are to be selected so as to achieve a
finished landscape that matches the surrounding, undisturbed, equivalent
landscape types. Regular
monitoring and removal of the weed plant Mikania
micrantha during the establishment and maintenance period. |
To improve the appearance of the development |
Project Site / During
construction |
Contractor |
|
|
P |
|
- |
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|
10.6.10 |
- |
Roof Terrace Planting.
Trees, shrubs and climbers shall be established in planters on the roof
terraces of the new structures where possible. |
To improve the appearance of the development by softening
the building element |
Project Site / During
construction |
Contractor |
|
P |
|
|
- |
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|
10.6.10 |
- |
Natural
Rock Groynes New rock
groynes are needed to contain the sand of the new beach. Natural stones will
be used for construction of the Groynes. |
To improve the appearance of the development to make the
man-made feature be more compatible with the surroundings |
Project Site / During
construction |
Contractor |
|
P |
|
|
- |
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|
10.6.10 |
- |
Inter-Tidal
Re-generation. It is likely
that a build up of sediment and sand will occur at the outer edges of the
rock groyne. This is a natural process and the development proponent has no
control over the implementation of this mitigation measure. |
To improve the appearance of the development |
Adjacent areas |
Nil |
|
|
P |
|
- |
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|
10.6.10 |
- |
Mangrove
Re-generation. Mangroves of
similar species to existing to be manually established by planting of
droppings. |
To improve the ecological value of the project |
Project Site / During post-construction |
Contractor |
|
P |
|
|
- |
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|
10.6.10 |
- |
Buffer
Planting.
Trees and shrubs are to be planted along
Ting Kok road to screen the development from the nearby Village/Developed
Areas. |
To improve the appearance of the development |
Project Site / During post-construction |
Contractor |
|
P |
|
|
- |
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|
10.6.10 |
- |
Early
Planting Works
Where technically feasible,
new plantings are to be installed during the construction works to reduce
landscape impacts. |
To improve the appearance of the development |
Project Site / During construction |
Contractor |
|
P |
|
|
- |
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|
10.6.10 |
- |
Tree
Protection/Transplantation.
Where technically
feasible, existing trees in the Trees/Backshore Vegetation LR are to be
retained. Those trees that cannot be retained that are of value are to be
transplanted. |
To improve the appearance of the development |
Project Site / Before commencement of construction |
Contractor |
P |
|
|
|
- |
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|
10.7.9 |
- |
Visual Mitigation
Design
of Structures. The
structure shown in the photomontages are to illustrate the mass of the
structures only. During the design phase of the development, features such as
the location of doors, windows, eaves etc. will be detailed. All of these
elements will greatly improve the appearance of the structures. Where
possible, built structures will utilise appropriate designs to complement the
surrounding landscape. Materials
and finishes will also be considered during detailed design. |
To reduce visual impacts and improve the appearance of
the development |
Project Site / During construction |
Architect |
P |
|
|
|
- |
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|
10.7.9 |
- |
Colour
Scheme. Colours for the
structures can be used to complement the surrounding area. Lighter colours such as shades of
light grey, off-white and light brown may be utilised where technically
feasible to reduce the visibility of the structures. |
To reduce visual impacts and improve the appearance of
the development |
Project Site / During construction |
Architect |
P |
|
|
|
- |
||||||||||
|
10.7.9 |
- |
Plantings.
In addition to the
landscape mitigation plantings proposed in Section 10.5.9 of the EIA report,
appropriate new plantings will be installed as appropriate to help integrate
the new structures into the surrounding landscape. |
To help integrate the new structures into the surrounding landscape |
Project Site / During post-construction |
Contractor |
|
P |
|
|
- |
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|
10.7.9 |
- |
Colour of Site Hoardings. In order to mitigate the visual impact
of these temporary hoardings, it is recommended that the hoardings be erected
at a uniform height, with a uniform colour that complements the existing
surrounding landscape. |
To mitigate the visual impact of temporary hoardings |
Project Site / During construction |
Contractor |
|
P |
|
|
- |
||||||||||
|
- |
9.2 |
EM&A
Requirements
A
specialist Landscape Sub-Contractor should be employed for the implementation
of landscape construction works and subsequent maintenance operations during
a 12-month establishment period.
A
Registered Landscape Architect should be employed to supervise the specialist
Landscape Sub-contractor for the implementation of landscape works, both hard
and soft, involved.
Measures
undertaken by both the Contractor(s) and the specialist Landscape
Sub-Contractor during the construction phase and first year post-construction
will be audited by the Registered Landscape Architect of the ET.
Site
inspections should be undertaken at least once every two weeks throughout the
landscaping plants establishment period when planting works are being
undertaken.
A
tree survey should be prepared, for DLO submission, and for the purpose of
existing trees protection. Removal of existing trees to be minimized. The
Contractor should consider to employ a certified arborist when sizable and
valuable existing tree(s) protection of transplant is required.
Post-construction
phase auditing will be restricted to the 12-month establishment works of the
landscaping proposals.
Advance
planting-
monitoring
of implementation and maintenance of planting, and against potential
incursion, physical damage, fire, pollution, surface erosion, etc.
Protection
of trees to be retained-identification and demarcation of trees / vegetation
to be retained, erection of physical protection (e.g. fencing), monitoring
against potential incursion, physical damage, fire, pollution, surface
erosion, etc.
Clearance
of existing vegetation-identification and demarcation of trees / vegetation
to be cleared, checking of extent of works to reduce damage, monitoring of
adjacent areas against potential incursion, physical damage, fire, pollution,
surface erosion, etc.
Transplanting
of trees-identification and demarcation of trees / vegetation to be
transplanted, monitoring of extent of pruning / lifting works to reduce
damage, timing of operations, implementation of the stages of preparatory and
translocation works, and maintenance of transplanted vegetation, etc.
Plant
supply-monitoring of operations relating to the supply of specialist plant
material (including the collecting, germination and growth of plants from
seed) to ensure that plants will be available in time to be used within the
construction works.
Soiling,
planting, etc-monitoring of implementation and maintenance of soiling and
planting works and against potential incursion, physical damage, fire,
pollution, surface erosion, etc.
Architectural
design and treatment of all structures (where practicable), retaining walls,
elevated road structures and other engineering works-implementation and
maintenance of mitigation measures, to ensure conformity with agreed designs.
Erection
of Site Hoardings/Fences-
Erection of site
hoardings/fences during the construction phase to reduce visual impacts.
Establishment
Works- monitoring of implementation of maintenance operations during
Establishment Period. |
To check the implementation and maintenance of landscape mitigation
measures and ensure that they are fully realised and that potential conflicts
between the proposed landscape measures and any other project works and
operational requirements are resolved at the earliest practical date and
without compromise to the intention of the mitigation measures |
Project Site / During construction and post-construction
phase |
Specialist Landscape Sub-contractor,Registered Landscape
Architect and ET |
|
P |
|
|
- |
||||||||||
|
Landscape and Visual Impact – Operational
Phase |
|
|
|
|
|
|
|
|
||||||||||||
|
11.10.2 |
- |
Plant
Maintenance. All installed plant material to be
maintained to the relevant |
To improve the appearance of the development. |
Proposed Beach Development / During operation |
Operator |
|
|
P |
|
- |
||||||||||
([1]) The operation phase of the Proposed Beach Development is considered as commencement of the handover
date to LSCD so that the proposed measures recommended under EM&A should be
carried out as appropriate after the handover. However, there may be a time
lapse between the handover date and the formal opening for public use due to
the application of the beach gazette by LCSD.
