Appendix A
Table
A13.1 Implementation
Schedule for Air Quality Control
EIA Ref |
Environmental Protection Measures / Mitigation Measures |
Location / Timing |
Implementation Agent |
Implementation Stages* |
Relevant Legislation and Guidelines |
|||
Des |
C |
O |
Dec |
|||||
Construction Phase |
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For the Whole Project
|
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S |
Four times a day watering of the
work site with active operations. |
Work
site / during construction |
Contractor |
|
Ö |
|
|
EIAO-TM |
S |
Implementation of dust suppression
measures stipulated in Air Pollution Control (Construction Dust)
Regulation. The following
mitigation measures, good site practices and a comprehensive dust monitoring
and audit programme are recommended to minimise cumulative dust impacts. ·
Strictly
limit the truck speed on site to below ·
Watering
during excavation and material handling; ·
Provision
of vehicle wheel and body washing facilities at the exit points of the site,
combined with cleaning of public roads where necessary; and |
Work
site / during construction |
Contractor |
|
Ö |
|
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|
|
·
Tarpaulin
covering of all dusty vehicle loads transported to, from and between site locations. |
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S3.5.6 |
For the dredging activities carried out in the vicinity of Police
Officers’ Club, the dredging operation will be restricted to only 1 small
close grab dredger to minimise the odour impact during the dredging
activity. The dredging rate
should be reduced as much as practicable for the area in close proximity to
the Police Officers’ Club. The
sediments contain highly contaminated mud which may be disposed with the use
of geosynthetic containers (details shall refer to Section 6), grab dredger
has to be used for filling up the geosynthetic containers on barges. the dredging rate for the removal of
the sediments at the south-west corner of the typhoon shelter shall be slowed
down or restricted to specific non-popular hours in weekdays when it is
necessary during construction. |
Corner of
CBTS/implementation of harbour-front enhancement |
CEDD[1] |
|
Ö |
|
|
EIAO-TM |
S |
Carry out dredging at the corner
of CBTS to remove the sediment and clean the slime attached on the CBTS
shoreline seawall |
Corner of
CBTS & CBTS shoreline seawall/implementation of harbour-front enhancement |
CEDD[2] |
|
Ö |
|
|
EIAO-TM |
Operation Phase |
||||||||
For the Whole Project |
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S |
Monthly (from July to September)
monitoring of odour impacts, for a period of 5 years, is proposed during the
operational phase of the Project to ascertain the effectiveness of the
Enhancement Package over time, and to monitor any on-going odour impacts at
the ASRs. |
Planned
ASRs (CBTS Breakwater)/First 5-year period of operation phase |
CEDD1 |
|
|
Ö |
|
EIAO-TM |
For DP1 – CWB (Within the Project Boundary) |
||||||||
S |
The design parameters of the East and |
East and |
HyD |
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|
Ö |
|
|
S |
Air quality monitoring for the operation performance of the |
East Vent Shaft / During operation of the |
HyD |
|
|
Ö |
|
EIAO-TM |
·
Des
- Design, C - Construction, O – Operation, and Dec – Decommissioning
Table A13.2 Implementation Schedule for
Noise Control
EIA Ref |
Environmental Protection Measures / Mitigation Measures |
Location / Timing |
Implementation Agent |
Implementation Stages* |
Relevant Legislation and Guidelines |
|||
Des |
C |
O |
Dec |
|||||
Construction Phase |
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For the Whole Project |
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S |
Good Site
Practice:
Only
well-maintained plant shall be operated on-site and plant shall be serviced
regularly during the construction program.
Silencers
or mufflers on construction equipment shall be utilized and shall be properly
maintained during the construction program.
Mobile
plant, if any, shall be sited as far away from NSRs as possible.
Machines
and plant (such as trucks) that may be in intermittent use shall be shut down
between works periods or shall be throttled down to a minimum.
Plant
known to emit noise strongly in one direction shall, wherever possible, be
orientated so that the noise is directed away from the nearby NSRs.
Material
stockpiles and other structures shall be effectively utilized, wherever
practicable, in screening noise from on-site construction activities. |
Work Sites / During Construction |
Contractor |
|
Ö |
|
|
EIAO-TM, NCO |
For DP1 – CWB (Within the
Project Boundary) |
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|
S |
Use of quiet powered mechanical
equipment, movable noise barrier and temporary noise barrier for the
following tasks: ·
Slip road 8 tunnel ·
Construction of diaphragm wall and
substructures of the tunnel approach ramp ·
Excavation ·
Construction of slabs ·
Backfill ·
Demolition and construction
of substructures for the IEC ·
Demolition works of existing
piers and crossheads of the marine section of the existing IEC Use of PME grouping for the following tasks: ·
At-grade road construction ·
Substructure for IECL connection |
Work Sites / During Construction |
Contractor |
|
Ö |
|
|
EIAO-TM, NCO |
For DP2 – WDII Major Roads (Road
P2) |
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|
S |
Use of quiet powered mechanical equipment,
movable noise barrier and temporary noise barrier for the following tasks: ·
Temporary road diversion ·
Resurfacing ·
At-grade roadwork |
Work Sites / During Construction |
Contractor |
|
Ö |
|
|
EIAO-TM, NCO |
For DP3 – Reclamation Works |
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|
|
S |
Use of quiet powered mechanical
equipment for the following task: ·
Filling behind seawall ·
Seawall construction |
Work Sites / During Construction |
Contractor |
|
Ö |
|
|
EIAO-TM, NCO |
For DP4 – Temporary Typhoon
Shelter |
|
|
|
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|
S |
Use of quiet powered mechanical
equipment for the following tasks: ·
Temporary relocation of typhoon shelter -
Dredging temporary breakwater -
Rock filling, amour placing and bored pile walls -
Install temporary moorings |
Work Sites / During Construction |
Contractor |
|
Ö |
|
|
EIAO-TM, NCO |
For DP5 – Wan Chai East Sewage
Outfall |
|
|
|
|
|
|
|
|
S |
Use of quiet powered mechanical
equipment for the following tasks: ·
Submarine pipelines (marine section) Use of quiet powered mechanical
equipment and movable noise barrier for the following tasks: ·
Installation of a new pipeline (land section) |
Work Sites / During Construction |
Contractor |
|
Ö |
|
|
EIAO-TM, NCO |
For DP6 – Cross-Harbour Water
Mains from Wan Chai to Tsim Sha Tsui |
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|
S |
Use of quiet powered mechanical
equipment for the following tasks: ·
Submarine pipelines (marine section) |
Work Sites / During Construction |
Contractor |
|
Ö |
|
|
EIAO-TM, NCO |
Operation Phase |
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For DP1 – CWB (Within the Project Boundary) |
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|
S |
· For Existing NSRs · about · about · about · about · about |
Near North Point / Before commencement of
operation of road project |
HyD |
Ö |
Ö |
Ö |
|
EIAO-TM |
|
· low noise road surfacing for the trunk road (except tunnel section
and beneath the landscaped deck at the eastern portal area) with speed limit
of |
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For Future/Planned NSRs · about |
In between the Electric Centre (next to |
HyD |
Ö |
Ö # |
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·
The openable windows of the temple, if any,
should be orientated so as
to avoid direct
line of sight to the existing |
Near Causeway Bay Fire Station / During
detailed design of the
re-provisioned |
Project Proponent for the re-provisioned |
Ö |
|
|
|
|
* Des - Design, C - Construction, O
– Operation, and Dec - Decommissioning
# Only the steel
frame for this section of noise semi-enclosure would be erected in advance
during the construction of the westbound slip road.
Table
A13.3 Implementation
Schedule for Water Quality Control
EIA Ref |
Environmental Protection Measures / Mitigation Measures |
Location / Timing |
Implementation Agent |
Implementation Stages* |
Relevant Legislation and Guidelines |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Des |
C |
O |
Dec |
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Construction Phase |
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For DP3 – Reclamation Works, DP5 (Wan Chai East Sewage Outfall), DP6
(Cross-Harbour Water Mains from Wan Chai to Tsim Sha Tsui), DP4 – Temporary
Typhoon Shelter, DP1 – CWB (within the Project Boundary) |
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S5.8 |
A phased reclamation approach is planned for the WDII. Containment of fill within each of the reclamation phases by seawalls is proposed, with the seawall constructed first (above high water mark) with filling carried out behind the completed seawalls. Any gaps that may need to be provided for marine access will be shielded by silt curtains to control sediment plume dispersion away from the site. Filling for seawall construction should be carried out behind the silt curtain |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
EIAO-TM, WPCO |
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S5.8 |
Dredging shall be carried out by closed grab dredger for the following works: · Seawall construction in all the reclamation areas; · Construction of the CWB Tunnel · Construction of the proposed WSD water mains; and · Construction of the proposed Wan Chai East sewage outfall pipelines. |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
EIAO-TM, WPCO |
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S5.8,
Figure 5.3 |
Dredging for the Wan Chai East sewage outfall pipelines shall not be carried out concurrently with the following activities: · Dredging along the proposed cross-harbour water mains; · Dredging along the seawall in the Wan Chai Reclamation (WCR) zone (area between HKCEC Extension and PCWA). |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
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EIAO-TM, WPCO |
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S5.8 |
The water body behind the
temporary reclamations within the
|
Work site
/ During the construction period |
Contractor |
|
Ö |
|
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EIAO-TM, WPCO |
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S5.8 |
As a mitigation measure, to avoid
the accumulation of water borne pollutants within the temporary embayment
between CRIII and HKCEC1, an impermeable barrier, suspended from a floating boom
on the water surface and extending down to the seabed, will be erected by the
contractor before the HKCEC1 commences.
The barrier will channel the stormwater discharge flows from Culvert L
to the outside of the embayment.
The contractor will maintain this barrier until the reclamation works
in HKCEC2W are carried out and the new Culvert L extension is constructed.
|
Work site
/ During the construction period |
Contractor |
|
Ö |
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EIAO-TM, WPCO |
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S5.8,
Figure 5.3 |
The total dredging rates in each of the marine works zones shall
not be more than the maximum production rates stated in the table below. These are the production rates without
considering the effect of silt curtain.
Note: |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
EIAO-TM, WPCO |
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S5.8,
Figure 5.3 |
Dredging
along the seawall at WCR1 shall be undertaken initially at |
Work site
/ During the construction period |
Contractor |
|
Ö |
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EIAO-TM, WPCO |
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S5.8,
Figure 5.3 |
For dredging within the |
Work site
/ During the construction period |
Contractor |
|
Ö |
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EIAO-TM, WPCO |
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S5.8,
Figure 5.3 |
Silt curtains shall be deployed around the closed grab dredgers during seawall dredging and seawall trench filling in the areas of HKCEC, WCR, TCBR and NP. |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
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EIAO-TM, WPCO |
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S5.8,
Figure 5.3 |
Silt screens shall be applied to seawater intakes at interim construction stages as stated below:
|
Work site
/ During the construction period |
Contractor |
|
Ö |
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EIAO-TM, WPCO |
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S5.8 |
Other mitigation measures include: · mechanical grabs, if used, shall be designed and maintained to avoid spillage and sealed tightly while being lifted. For dredging of any contaminated mud, closed watertight grabs must be used; · all vessels shall be sized so that adequate clearance is maintained between vessels and the seabed in all tide conditions, to ensure that undue turbidity is not generated by turbulence from vessel movement or propeller wash; ·
all hopper barges and
dredgers shall be fitted with tight fitting seals to their bottom openings to
prevent leakage of material; |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
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ProPECC PN 1/94; WPCO (TM-DSS) |
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· construction activities shall not cause foam, oil, grease, scum, litter or other objectionable matter to be present on the water within the site or dumping grounds; |
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· loading of barges and hoppers shall be controlled to prevent splashing of dredged material into the surrounding water. Barges or hoppers shall not be filled to a level that will cause the overflow of materials or polluted water during loading or transportation; and |
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· before commencement of the reclamation works, the holder of Environmental Permit has to submit plans showing the phased construction of the reclamation, design and operation of the silt curtain. |
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S5.8 |
Silt screens are recommended to be deployed at the seawater intakes during the reclamation works period. Installation of silt screens at the seawater intake points may cause a potential for accumulation and trapping of pollutants, floating debris and refuse behind the silt screens and may lead to potential water quality deterioration at the seawater intake points. Major sources of pollutants and floating refuse include the runoff and storm water discharges from the nearby coastal areas. As a mitigation measure to avoid the pollutant and refuse entrapment problems and to ensure that the impact monitoring results are representative, regular maintenance of the silt screens and refuse collection shall be performed at the monitoring stations at regular intervals on a daily basis. The Contractor shall be responsible for keeping the water behind the silt screen free from floating rubbish and debris during the impact monitoring period. |
Work site
/ During the construction period |
Contractor |
|
Ö |
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EIAO-TM, WPCO |
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S5.8 |
Dredging of contaminated mud is
recommended as a mitigation measures for control of operational odour impact
from the |
|
CEDD[3] |
|
Ö |
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WPCO |
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For the Whole Project |
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S5.8 |
·
Construction
Runoff and Drainage ·
use
of sediment traps, wheel washing facilities for vehicles leaving the site, and
adequate maintenance of drainage systems to prevent flooding and overflow; ·
Permanent
drainage channels shall incorporate sediment basins or traps and baffles to
enhance deposition rates. The
design of efficient silt removal facilities shall be based on the guidelines
in Appendix A1 of ProPECC PN 1/94; ·
a
sediment tank constructed from pre-formed individual cells of approximately 6
‑ ·
oil
interceptors shall be provided in the drainage system for the tunnels and
regularly cleaned to prevent the release of oils and grease into the storm
water drainage system after accidental spillages. The interceptor shall have a bypass to
prevent flushing during periods of heavy rain; ·
precautions
and actions to be taken when a rainstorm is imminent or forecast, and during
or after rainstorms. Particular
attention shall be paid to the control of any silty surface runoff during
storm events; ·
on-site
drainage system shall be installed prior to the commencement of other
construction activities. Sediment
traps shall be installed in order to minimise the sediment loading of the
effluent prior to discharge; ·
All
temporary and permanent drainage pipes and culverts provided to facilitate
runoff discharge shall be adequately designed for the controlled release of
storm flows. All sediment control
measures shall be regularly inspected and maintained to ensure proper and efficient
operation at all times and particularly following rain storms. The temporarily diverted drainage
shall be reinstated to its original condition when the construction work is
finished or the temporary diversion is no longer required. ·
All
fuel tanks and store areas shall be provided with locks and be sited on
sealed areas, within bunds of a capacity equal to 110% of the storage
capacity. |
·
Work
site / During the construction period |
Contractor |
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Ö |
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ProPECC PN 1/94; WPCO (TM-DSS) |
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·
Minimum
distances of |
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S5.8 |
Sewage from Construction Work Force Construction
work force sewage discharges on site shall be connected to the existing trunk
sewer or sewage treatment facilities.
The construction sewage shall be handled by portable chemical toilets
prior to the commission of the on-site sewer system. Appropriate numbers of portable
toilets shall be provided by a licensed contractor to serve the large number
of construction workers over the construction site. The Contractor shall also be
responsible for waste disposal and maintenance practices. |
Work
site / During the construction period |
Contractor |
|
Ö |
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ProPECC PN 1/94; WPCO (TM-DSS) |
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S5.8 |
Floating Debris and Refuse Collection
and removal of floating refuse shall be performed at regular intervals on a
daily basis. The contractor shall
be responsible for keeping the water within the site boundary and the
neighbouring water free from rubbish. |
Work
site and adjacent water / During the construction period. |
Contractor |
|
Ö |
|
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WPCO |
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S5.8 |
Storm Water Discharges Minimum
distances of |
Work
site and adjacent water / During the design and construction period. |
Contractor |
Ö |
Ö |
|
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WPCO |
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Operation Phase |
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DP1 – CWB (within the Project Boundary) |
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S5.8 |
For the operation of CWB, a surface water drainage system would be
provided to collect road runoff. The
following operation stage mitigation measures are recommended to ensure road
runoff would comply with the TM under the WPCO: ·
The drainage from tunnel sections shall be directed through petrol
interceptors to remove oil and grease before being discharged to the nearby
foul water manholes. ·
Petrol interceptors shall be regularly cleaned and maintained in good
working condition. ·
Oily contents of the petrol interceptors shall be properly handled and
disposed of, in compliance with the requirements of the Waste Disposal
Ordinance. ·
Sewage arising from ancillary facilities of CWB (for examples, car
park, control room, ventilation and administration buildings and tunnel
portals) shall be connected to public sewerage system. Sufficient capacity in public sewerage
shall be made available to the proposed facilities. ·
Road drainage shall also be provided with adequately designed silt
trap to minimize discharge of silty runoff. ·
The design of the operational stage mitigation measures for CWB shall
take into account the guidelines published in ProPECC PN 5/93 “Drainage Plans
subject to Comment by the EPD.” All operational discharges from the CWB into
drainage or sewerage systems are required to be licensed by EPD under the
WPCO. |
CWB/During
design and operational period |
HyD/TD3 |
Ö |
|
Ö |
|
WPCO |
* Des - Design, C - Construction, O
– Operation, and Dec - Decommissioning
3
if employ
Management, Operation and Maintenance (MOM) Contract
Table A13.4 Implementation
Schedule for Waste Management
EIA Ref |
Environmental Protection Measures / Mitigation Measures |
Location / Timing |
Implementation Agent |
Implementation Stages* |
Relevant Legislation and Guidelines |
||||
Des |
C |
O |
Dec |
||||||
Construction Phase |
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For DP3 – Reclamation Works |
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||
S |
Marine Sediments
The dredged marine sediments would
be loaded onto barges, transported to and disposed of at the designated disposal
sites at South of Cheung Chau, East of Ninepin, East of Tung Lung Chau, South
of Tsing Yi or East of Sha Chau to be allocated by the MFC depending on their level
of contamination or at other disposal sites after consultation with the MFC
and EPD. In accordance with the ETWB TCW
No. 34/2002, the contaminated
material must be dredged and transported with great care. The mitigation measures recommended in
Section 5 of the EIA Report shall be incorporated. The dredged contaminated
sediment must be effectively isolated from the environment upon final
disposal and shall be disposed of at the Type 2 confined marine disposal
contaminated mud pit. |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
ETWB TCW No. 34/2002 |
|
S |
Based on the biological screening
results, the Category H (>10xLCEL) sediment which failed the biological
testing would require Type 3 special disposal. The volume of Category H sediment from
the |
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|
S |
It will be the responsibility of the
Contractor to satisfy the appropriate authorities that the contamination
levels of the marine sediment to be dredged have been analysed and
recorded. According to the ETWB
TCW No. 34/2002, this will involve the submission of a formal Sediment
Quality Report to the DEP, at least 3 months prior to the dredging contract
being tendered |
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|
S |
During transportation and disposal
of the dredged marine sediments requiring Type 1 and Type 2 disposal, the following
measures shall be taken to minimise potential impacts on water quality: |
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·
Bottom opening of barges shall be fitted with tight fitting seals to
prevent leakage of material. Excess
material shall be cleaned from the decks and exposed fittings of barges and
hopper dredgers before the vessel is moved. |
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·
Monitoring of the barge loading shall be conducted to ensure that loss
of material does not take place during transportation. Transport barges or vessels shall be
equipped with automatic self-monitoring devices as specified by the DEP. ·
Barges or hopper barges shall not be filled to a level that would cause
the overflow of materials or sediment laden water during loading or
transportation. |
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S |
Floating Refuse During the construction phase, the
project proponent’s contractor will be responsible for the collection of any refuse
within their works area. Floating
booms will be provided on the water surface to confine the refuse from the
working barges as well as to avoid the accumulation of pollutants within
temporary embayment as mentioned in Table 13.3. |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
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For the Whole Project |
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S |
Good Site Practices Recommendations
for good site practices during the construction activities include:
·
nomination of an approved person, such as a site
manager, 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 waste handling procedures; ·
provision of sufficient waste disposal points and
regular collection for disposal; ·
appropriate measures to minimise windblown litter
and dust during transportation of waste by either covering trucks or by
transporting wastes in enclosed containers; ·
regular cleaning and maintenance programme for
drainage systems, sumps and oil interceptors; and ·
a recording system for the amount of wastes
generated, recycled and disposed of (including the disposal sites). |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
Waste
Disposal Ordinance (Cap.354) |
|
S |
Waste Reduction Measures Waste reduction is best achieved at
the planning and design stage, as well as by ensuring the implementation of
good site practices.
Recommendations to achieve waste reduction include: ·
segregation and storage of different types of waste in different
containers, skips or stockpiles to enhance reuse or recycling of materials
and their proper disposal; ·
to encourage collection of aluminium cans, PET bottles and paper,
separate labelled bins shall be provided to segregate these wastes from other
general refuse generated by the work force; ·
any unused chemicals or those with remaining functional capacity shall
be recycled; ·
use of reusable non-timber formwork, such as in casting the tunnel box
sections, to reduce the amount of C&D material. ·
prior to disposal of C&D waste, it is recommended that wood, steel
and other metals shall be separated for re-use and / or recycling to minimise
the quantity of waste to be disposed of to landfill; ·
proper storage and site practices to minimise the potential for damage
or contamination of construction materials; and ·
plan and stock construction materials carefully to minimise amount of
waste generated and avoid unnecessary generation of waste. |
Work site
/ During planning and design stage, and construction stage |
Contractor |
Ö |
Ö |
|
|
|
|
S |
General Refuse
General refuse
shall be stored in enclosed bins or compaction units separate from C&D
material. A licensed waste
collector shall be employed by the contractor to remove general refuse from
the site, separately from C&D material. A collection
area shall be provided where wastes can be stored and loaded prior to removal
from site. An enclosed and
covered area is recommended to reduce the occurrence of 'wind blow' light
material. |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
Public
Health and Municipal Services Ordinance (Cap. 132) |
|
S |
Chemical Wastes
After use,
chemical wastes (for example, cleaning fluids, solvents, lubrication oil and
fuel) shall be handled according to the Code of Practice on the Packaging,
Labelling and Storage of Chemical Wastes. Spent chemicals shall be collected by
a licensed collector for disposal at the CWTF or other licensed facility in
accordance with the Waste Disposal (Chemical Waste) (General) Regulation. |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
Waste
Disposal (Chemical Waste) (General) Regulation Code of
Practice on the Packaging, Labelling and Storage of Chemical Wastes |
|
S |
Construction and Demolition
Material
C&D
material shall be sorted on-site into inert C&D material (that is, public
fill) and C&D waste. All the suitable inert C&D material shall be
broken down to |
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
ETWB TCW
No. 33/2002, 31/2004, 19/2005 |
|
S |
In order to monitor the disposal
of public fill and C&D waste at public filling facilities and landfills,
respectively, and to control fly tipping, a trip-ticket system shall be
included as one of the contractual requirements and implemented by the
Environmental Team undertaking the environmental monitoring and audit work. An Independent Environment Checker shall
be responsible for auditing the results of the system. |
Work site
/ During the construction period |
Contractor and Independent Environmental
Checker |
|
Ö |
|
|
ETWB TCW
No. 31/2004 |
|
S |
Bentonite Slurry The disposal of residual used bentonite
slurry shall follow the good practice guidelines stated in ProPECC PN 1/94
“Construction Site Drainage” and listed as follows: ·
If the disposal of a certain residual quantity cannot be avoided, the
used slurry may be disposed of at the marine spoil grounds subject to
obtaining a marine dumping licence from EPD on a case-by-case basis. ·
If the used bentonite
slurry is intended to be disposed of through the public drainage system, it
shall be treated to the respective effluent standards applicable to foul
sewers, storm drains or the receiving waters as set out in the Technical
Memorandum of Standards for Effluents Discharged into Drainage and Sewerage
Systems, Inland and Coastal Waters.
·
If the used bentonite
slurry is intended to be disposed to public fill reception facilities, it
will be mixed with dry soil on site before disposal.
|
Work site
/ During the construction period |
Contractor |
|
Ö |
|
|
ProPECC
PN 1/94 |
|
* Des - Design, C - Construction, O –
Operation, and Dec - Decommissioning
Table A13.5 Implementation Schedule for Land Contamination
EIA Ref |
Environmental Protection Measures / Mitigation Measures |
Location / Timing |
Implementation Agent |
Implementation Stages* |
Relevant Legislation and Guidelines |
||||
Des |
C |
O |
Dec |
||||||
Construction Phase |
|||||||||
For the Whole Project |
|
|
|
|
|
|
|
||
S.12.6 |
·
The contaminated site shall be cleaned up before commencement of site clearance
and construction work at the concerned area which may disturb the ground. |
A King
Marine / Before commencement of construction activities at A King Marine. |
Project
proponent for the re-provisioned |
Ö |
|
|
|
“Guidance Notes for Investigation and
Remediation of Contaminated Sites of Petrol Filling Stations, Boatyards, and
Car Repair/Dismantling Workshops” published by EPD, HKSAR EPD ProPECC Note No. 3/94 |
|
S7.10 |
During soil remediation works, the
Contractor for the excavation works shall take note of the following points
for excavation: · Excavation profiles must be properly designed and executed; · In case the soil to be excavated is situated beneath the groundwater table, it may be necessary to lower the groundwater table by installing well points or similar means; · Quantities of soil to be excavated must be estimated; · It maybe necessary to split quantities of soil according to soil type, degree and nature of contamination. · Temporary storage of soil at intermediate depot or on-site maybe
required. The storage site shall
include protection facilities for leaching into the ground. eg. Liner maybe
required. |
A King Marine / During soil remediation works |
Contractor |
Ö |
|
|
|
Air Pollution
Control Ordinance Noise
Control Ordinance Waste
Disposal Ordinance Waste
Disposal (Chemical Waste) (General) Regulation |
|
|
· Supply of suitable clean backfill materials is needed after excavation. |
|
|
|
|
|
|
Water Pollution Control Ordinance |
|
|
· Care must be taken of existing buildings and utilities. · Precautions must be taken to control of ground settlement · Speed controls for vehicles shall be imposed on dusty site areas. · Vehicle wheel and body washing facilities at the site’s exit points shall be established and used. |
|
|
|
|
|
|
|
|
|
The following environmental mitigation measures shall be strictly followed
during the operation and/or maintenance of the CS/S facilities: |
|
|
|
|
|
|
|
|
|
Air Quality Mitigation Measures · The loading, unloading, handling, transfer or storage of cement shall be carried out in an enclosed system. · The loading, unloading, handling, transfer or storage of other materials which may generate airborne dust emissions such as untreated soil and oversize materials sorted out from the screening plant and stabilized soil stockpiled in the designated handling area, shall be carried out in such a manner to prevent or minimise dust emissions. These materials shall be adequately wetted prior to and during the loading, unloading and handling operations. · All practicable measures, including speed controls for vehicles, shall be taken to prevent or minimize the dust emission caused by vehicle movement. · Tarpaulin or low permeable sheet shall be put on dusty vehicle loads transported between site locations. |
|
|
|
|
|
|
|
|
|
Noise Mitigation Measures · The mixing facilities shall be sited as far as practicable to the nearby noise sensitive receivers. · Simultaneous operation of mixing facilities and other equipment shall be avoided. · Mixing process and other associated material handling activities shall be properly scheduled to minimise potential cumulative noise impact on the nearby noise sensitive receivers. · Construction Noise Permit shall be applied for the operation of powered mechanical equipment during restricted hours (if any). |
|
|
|
|
|
|
|
|
|
Water Quality Mitigation
Measures · Stockpile of untreated soil shall be covered as far as practicable to prevent the contaminated material from leaching out. The leachate shall be discharged following the requirements of WPCO. |
|
|
|
|
|
|
|
|
|
Waste Mitigation Measures · Treated oversize materials will be used as filling material for
backfilling within the site.
Sorted materials of size smaller than · Stabilized soils shall be broken into suitable size for backfilling or reuse on site. · A high standard of housekeeping shall be maintained within the mixing plant area. ·
If necessary, there shall be
clear and separated areas for stockpiling of untreated and treated materials. |
|
|
|
|
|
|
|
|
* Des - Design, C - Construction, O
– Operation, and Dec - Decommissioning
Table A13.6 Implementation Schedule for Marine
Ecology
EIA Ref |
Environmental Protection Measures
/ Mitigation Measures |
Location / Timing |
Implementation Agent |
Implementation Stages* |
Relevant Legislation and
Guidelines |
||||
Des |
C |
O |
Dec |
||||||
Construction Phase |
|
|
|
|
|
|
|
||
For the Whole Project -
Schedule 3 DP |
|
|
|
|
|
|
|
||
S. |
Alternative design of the Trunk Road
constructed in tunnel shall be adopted to avoid permanent reclamation in CBTS
and
|
- |
CEDD/HyD |
Ö |
|
|
|
EIAO TM Annex 16 (Section 8.4) & EIAO
Guidance Note No. 3/2002. |
|
For DP3 – Reclamation Works |
|
|
|
|
|
|
|
||
S. |
Translocation of those potentially affected
coral colonies to the nearby suitable habitats such as
|
Ex- |
CEDD/HyD |
Ö |
|
|
|
EIAO TM Annex 16 (Section 8.4) & EIAO Guidance Note No. 3/2002. |
|
S. |
During dredging and filling operations, a
number of mitigation measures to control water quality shall be adopted to
confine sediment plume within reclamation area and protect marine fauna in proximity to the
reclamation. The mitigation measures include the following:
·
Installation of silt
curtains during dredging activities
·
Use of tightly-closed
grab dredger
· Reduction of dredging rate
·
Control of grab
descending speed
· Construction
of leading edges of seawall in the early stages of the reclamation works
|
Work site / during construction phase |
Contractor |
|
Ö |
|
|
EIAO TM Annex 16 (Section 8.4) & EIAO Guidance Note No. 3/2002. |
|
|
·
Adoption of
multiple-phase construction schedule
|
|
|
|
|
|
|
|
|
S. |
To minimize
potential disturbance impacts on the foraging ardeid population in the CBTS, particularly
in the area near the A King Shipyard, appropriate mitigation measures shall
be adopted particularly during the construction phase. The following measures
are recommended:
·
Use of Quiet Mechanical Plant during the
construction phase shall be adopted wherever possible.
·
Adoption of
multiple-phase construction schedule.
·
General measures to reduce noise generated
during the construction phase (see noise impact assessment) shall be
effectively implemented.
|
Work site / during construction phase |
Contractor |
|
Ö |
|
|
EIAO TM Annex 16 (Section 8.4) & EIAO Guidance Note No. 3/2002. |
|
S. |
Seawalls shall be constructed in
advance around the
reclamation areas
within the area of the CBTS to screen adjacent feeding ground from construction
phase activities, reduce noise disturbance to the associated seabirds and
also to restrict access to this habitat adjacent to works areas by ship
traffic.
|
Work site / during construction phase |
Contractor |
|
Ö |
|
|
EIAO TM Annex 16 (Section 8.4) & EIAO Guidance Note No. 3/2002. |
|
S. |
Loss of artificial seawall habitats shall be
reinstated by the construction of about |
Work site / during construction phase |
Contractor |
|
Ö |
|
|
EIAO TM Annex 16 (Section 8.4) & EIAO Guidance Note No. 3/2002. |
|
*Des - Design, C - Construction, O – Operation, and Dec -
Decommissioning
Table A13.7 Implementation Schedule for Landscape
and Visual
EIA Ref |
Environmental Protection Measures / Mitigation Measures |
Location / Timing |
Implementation Agent |
Implementation Stages* |
Relevant Legislation and Guidelines |
||||
Des |
C |
O |
Dec |
||||||
Construction Phase |
|
|
|
|
|
|
|
||
For the Whole Project |
|
|
|
|
|
|
|
||
Table 10.5 |
CM1 Topsoil, where identified, shall be stripped and
stored for re-use in the construction of the soft landscape works, where
practical. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM2 Existing trees to be retained on site shall be
carefully protected during construction. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM3 Trees unavoidably affected by the works shall be
transplanted where practical. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM4 Compensatory tree planting shall be provided to
compensate for felled trees. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM5 Control of night-time lighting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM6 Erection of decorative screen hoarding compatible with
the surrounding setting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
For DP1 – CWB (Within the
Project Boundary) |
|
|
|
|
|
|
|
||
Table 10.5 |
CM1 Topsoil,
where identified, shall be stripped and stored for re-use in the construction
of the soft landscape works, where practical. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM2 Existing trees to be retained on site shall be
carefully protected during construction. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM3 Trees unavoidably affected by the works shall be
transplanted where practical. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM4 Compensatory tree planting shall be provided to
compensate for felled trees. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM5 Control of night-time lighting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM6 Erection of decorative screen hoarding compatible with
the surrounding setting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
For DP2 – WDII Major Roads (Road
P2) |
|
|
|
|
|
|
|
||
Table 10.5 |
CM1 Topsoil, where identified, shall be stripped and
stored for re-use in the construction of the soft landscape works, where
practical. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM2 Existing trees to be retained on site shall be
carefully protected during construction. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM3 Trees unavoidably affected by the works shall be
transplanted where practical. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM4 Compensatory tree planting shall be provided to
compensate for felled trees. |
Work site
/ During Construction Phase |
Contractor |
Ö |
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM5 Control of night-time lighting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM6 Erection of decorative screen hoarding compatible with
the surrounding setting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
For DP3 – Reclamation Works |
|
|
|
|
|
|
|
||
Table 10.5 |
CM5 Control of night-time lighting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Table 10.5 |
CM6 Erection of decorative screen hoarding compatible with
the surrounding setting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
For DP4 – Temporary Typhoon Shelter |
|
|
|
|
|
|
|
||
Table 10.5 |
CM5 Control of night-time lighting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
For DP5 – Wan Chai East Sewage
Outfall |
|
|
|
|
|
|
|
||
Refer
to EIA-058/2001 Table 10.13 |
CM2 Minimisation of works
areas. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Refer
to EIA-058/2001 Table 10.13 |
CM3 Erection of decorative
hoardings. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Refer
to EIA-058/2001 Table 10.13 |
CM4 Control night-time
lighting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
|
|
|
|
|
|
|
|
|
|
Refer
to EIA-058/2001 Table 10.13 |
CM5 Minimisation of disruption
to public by effective programming of the works. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
For DP6 – Cross-Harbour Water Mains from
Wan Chai to Tsim Sha Tsui |
|
|
|
|
|
|
|
||
Refer
to EIA-058/2001 Table 10.13 |
CM2 Minimisation of works areas. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Refer
to EIA-058/2001 Table 10.13 |
CM3 Erection of decorative
hoardings. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Refer
to EIA-058/2001 Table 10.13 |
CM4 Control night-time
lighting. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Refer
to EIA-058/2001 Table 10.13 |
CM5 Minimisation of disruption
to public by effective programming of the works. |
Work site
/ During Construction Phase |
Contractor |
|
Ö |
|
|
EIAO TM |
|
Operation Phase |
|||||||||
For the Whole Project - Schedule 3 DP |
|
|
|
|
|
|
|
||
Table 10.6, Figure |
OM1 Aesthetic design of buildings
and road-related structures, including viaducts, vent buildings, subways,
footbridges and noise barriers and enclosure. |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD |
Ö |
Ö |
Ö |
|
ETWB TCW
2/2004 |
|
Table 10.6, Figure |
OM2
Shrub and Climbing Plants to soften proposed
structures. |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM3
Buffer
Tree and Shrub Planting to screen proposed roads and associated structures. |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD/ |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM4 Aesthetic design of proposed
waterfront promenade. |
Work site
/ During Design Stage and Operation Phases |
CEDD[4] |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM5
Aesthetic
streetscape design. |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM6 Aesthetic design of roadside
amenity areas. |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
For DP1 – CWB (Within the
Project Boundary) |
|
|
|
|
|
|
|
||
Table 10.6, Figure |
OM1 Aesthetic design of buildings
and road-related structures, including viaducts, vent buildings, subways, footbridges
and noise barriers and enclosure. |
Work site
/ During Design Stage and Operation Phases |
HyD |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM2 Shrub and
Climbing Plants to soften proposed structures |
Work site
/ During Design Stage and Operation Phases |
HyD |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM3
Buffer
Tree and Shrub Planting to screen proposed roads and associated structures. |
Work site
/ During Design Stage and Operation Phases |
HyD |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM5
Aesthetic
streetscape design. |
Work site
/ During Design Stage and Operation Phases |
HyD |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM6 Aesthetic design of roadside
amenity areas. |
Work site
/ During Design Stage and Operation Phases |
HyD |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
For DP2 – WDII Major Roads (Road
P2) |
|
|
|
|
|
|
|
||
Table 10.6, Figure |
OM1 Aesthetic design of buildings and
road-related structures, including viaducts, vent buildings, subways,
footbridges and noise barriers and enclosure. |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD |
|
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM3 Buffer Tree
and Shrub Planting to screen proposed roads and associated structures. |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD |
|
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM5 Aesthetic
streetscape design. |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD |
|
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
Table 10.6, Figure |
OM6 Aesthetic design of
roadside amenity areas |
Work site
/ During Design Stage and Operation Phases |
CEDD/HyD |
|
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
For DP3 – Reclamation Works |
|
|
|
|
|
|
|
||
Table 10.6, Figure |
OM4 Aesthetic design of proposed
waterfront promenade. |
Work site
/ During Design Stage and Operation Phases |
CEDD[5] |
Ö |
Ö |
Ö |
|
ETWB
TCW 2/2004 |
|
*Des - Design, C - Construction, O –
Operation, and Dec - Decommissioning