EIA Ref. |
EM&A
Log Ref. |
Recommended Mitigation Measures |
Location of the measures |
Implementation Status |
Air Quality |
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S5.5.6.1 |
A1 |
1) The contractor shall follow the procedures and
requirements given in the Air Pollution Control (Construction Dust)
Regulation |
All construction sites |
Implemented
|
S5.5.6.2 |
A2 |
2) Proper watering of exposed spoil should be undertaken throughout
the construction phase: •Any excavated or stockpile of dusty material should be covered
entirely by impervious sheeting or sprayed with water to maintain the entire
surface wet and then removed or backfilled or reinstated where practicable
within 24 hours of the excavation or unloading; •Any dusty materials remaining after a stockpile is removed should be
wetted with water and cleared from the surface of roads; •A stockpile of dusty material should not be extend beyond the
pedestrian barriers, fencing or traffic cones. •The load of dusty materials on a vehicle leaving a construction site should be covered
entirely by impervious sheeting to ensure that the dusty materials do not
leak from the vehicle; •Where practicable, vehicle washing facilities with high pressure
water jet should be provided at every discernible or designated vehicle exit
point. The area where vehicle washing takes place and the road section
between the washing facilities and the exit point should be paved with
concrete, bituminous materials or hardcores; |
All construction sites |
Implemented |
S5.5.6.2 |
A2 |
•When there are open excavation and reinstatement
works, hoarding of not less than 2.4m high should be provided as far as
practicable along the site boundary with provision for public crossing. Good
site practice shall also be adopted by the Contractor to ensure the
conditions of the hoardings are properly maintained throughout the
construction period; •The portion of any road leading only to
construction site that is within 30m of a vehicle entrance or exit should be
kept clear of dusty materials, •Surfaces where any pneumatic or power-driven
drilling, cutting, polishing or other mechanical breaking operation takes
place should be sprayed with water or a dust suppression chemical
continuously; •Any area that involves demolition activities
should be sprayed with water or a dust suppression chemical immediately prior
to, during and immediately after the activities so as to maintain the entire
surface wet; •Where a scaffolding is erected around the
perimeter of a building under construction, effective dust screens, sheeting
or netting should be provided to enclose the scaffolding from the ground
floor level of the building, or a canopy should be provided from the first
floor level up to the highest level of the scaffolding; •Any skip hoist for material transport should be
totally enclosed by impervious sheeting; •Every stock of more than 20 bags of cement or
dry pulverised fuel ash (PFA) should be covered entirely by impervious
sheeting or placed in an area sheltered on the top |
All construction sites |
Implemented
|
S5.5.6.2 |
A2 |
• Cement or dry PFA delivered in bulk should be stored in a closed
silo fitted with an audible high level alarm which is interlocked with the
material filling line and no overfilling is allowed; • Loading, unloading, transfer, handling or storage of bulk cement or
dry PFA should be carried out in a totally enclosed system or facility, and
any vent or exhaust should be fitted with an effective fabric filter or
equivalent air pollution control system; and • Exposed earth should be properly treated by compaction, turfing,
hydroseeding, vegetation planting or sealing with latex, vinyl, bitumen,
shotcrete or other suitable surface stabiliser within six months after the
last construction activity on the construction site r part of the
construction site where the exposed earth lies |
All construction sites |
N/A |
S5.5.6.3 |
A3 |
3) The Contractor should undertake proper
watering on all exposed spoil (with at least 8 times per day) throughout the
construction phase. |
All construction sites |
Partially |
S5.5.6.4 |
A4 |
4) Project Manager to incorporate the controlled measures into the
Particular Specification (PS) for the civil work. The PS should also draw the
contractor's attention to the relevant latest Practice Notes issued by EPD. |
All construction sites |
Implemented |
S5.5.6.4 |
A5 |
5) Implement regular dust monitoring under
EM&A programme during the construction stage. |
Selected representative dust monitoring station |
Implemented
|
S5.5.7.1 |
A6 |
The following mitigation measures should be adopted to prevent
fugitive dust emissions for concrete batching plant; •Loading, unloading, handling, transfer or storage of any dusty
materials should be carried out in totally enclosed system; •All dust-laden air or waste gas generated by the process operations
should be properly extracted and vented to fabric filtering system to meet
the emission limits for TSP; •Vents for all silos and cement/pulverised fuel ash (PFA) weighing
scale should be fitted with fabric filtering system; •The materials which may generate airborne dusty emissions should be wetted
by water spray system; •All receiving hoppers should be enclosed on three sides up to 3m
above unloading point; •All conveyor transfer points should be totally enclosed; •All access and route roads within the premises should be paved and
wetted; and •Vehicle cleaning facilities should be provided and used by all
concrete trucks before leaving the premises to wash off any dust on the
wheels and/or body. |
Selected representative dust monitoring station |
Implemented |
S5.5.2.7 |
A7 |
The following mitigation measures should be
adopted to prevent fugitive dust emissions at barging point: • All road surface within the barging facilities
will be paved; • Dust enclosures will be provided for the
loading ramp; •Vehicles will be required to pass through
designated wheels wash facilities; and • Continuous water spray at the loading points. |
All construction sites |
Implemented
|
Construction Noise (Air borne) |
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S6.4.10 |
N1 |
1) Use of good site practices to limit noise
emissions by considering the following: •only well-maintained plant should be operated
on-site and plant should be serviced regularly during the construction
programme; •machines and plant (such as trucks, cranes) 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, where possible, be orientated so that the noise is directed away
from nearby NSRs; •silencers or mufflers on construction equipment
should be properly fitted and maintained during the construction works; •mobile plant should be sited as far away from
NSRs as possible and practicable; •material stockpiles, mobile container site
officer and other structures should be effectively utilised, where
practicable, to screen noise from on-site construction activities. |
All construction sites |
Implemented
|
S6.4.11 |
N2 |
2) Install temporary hoarding located on the site boundaries between
noisy construction activities and NSRs. The conditions of the hoardings shall
be properly maintained throughout the construction period. |
All construction sites |
Implemented |
S6.4.12 |
N3 |
3) Install movable noise barriers (typically
density@14kg/m acoustic mat or full enclosure close to noisy plants including
compressor, generators, saw. |
For plant items listed in Appendix 6D of the EIA report at all construction sites |
N/A |
S6.4.13 |
N4 |
4) Select "Quiet plants" which comply with the BS 5228 Part
1 or TM standards. |
For plant items listed in Appendix 6D of the EIA report at all construction
sites |
Implemented |
S6.4.14 |
N5 |
5) Sequencing operation of construction plants
where practicable |
All construction sites where practicable |
Implemented
|
S5.1 |
N6 |
6) Implement a noise monitoring under EM&A programme. |
Selected representative noise monitoring station |
Implemented |
Waste Management (Construction Noise) |
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S8.3.8 |
WM1 |
Construction and Demolition Material The following mitigation measures should be implemented in handling
the waste: •Maintain temporary stockpiles and reuse excavated fill material for backfilling
and reinstatement; •Carry out on-site sorting; •Make provisions in the Contract documents to allow and promote the
use of recycled aggregates where appropriate; •Implement a trip-ticket system for each works contract to ensure that
the disposal of C&D materials are properly documented and verified; and •Implement an enhanced Waste Management Plan similar to E7WBTC (Works)
No. 19/2005 - "Environmental Management on Construction Sites" to
encourage on-site sorting of C&D materials and to minimize their
generation during the course of construction. •In addition, disposal of the C&D materials onto any sensitive
locations such as agricultural lands, etc. should be avoided. The Contractor
shall propose the final disposal sites to the Project Proponent and get its
approval before implementation. |
All construction sites |
N/A |
S8.3.9- S8.3.11 |
WM2 |
C&D Waste •Standard formwork or pre-fabrication should be
used as far as practicable in order to minimise the arising of C&D
materials. The use of more durable formwork or plastic facing for the
construction works should be considered. Use of wooden hoardings should not
be used, as in other projects. Metal hoarding should be used to enhance the
possibility of recycling. The purchasing of construction materials will be
carefully planned in order to avoid over ordering and wastage. •The Contractor should recycle as much of the
C&D materials as possible on-site. Public fill and C&D waste should
be segregated and stored in different containers or skips to enhance reuse or
recycling of materials and their proper disposal. Where practicable, concrete
and masonry can be crushed and used as fill. Steel reinforcement bar can be
used by scrap steel mills. Different areas of the sites should be considered
for such segregation and storage. |
All
construction sites |
Implemented
|
S8.2.12- S8.3.15 |
WM3 |
Chemical Waste •Chemical waste that is produced, 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, Labelling 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 liters
unless the specification has been approved by the EPD; and display a label in
English and Chinese in accordance with instructions prescribed in Schedule 2
of the regulation. •The storage area for chemical wastes should be clearly labelled and
used solely for the storage of chemical waste; enclosed on at least 3 sides;
have an impermeable floor and bunding of sufficient capacity to accommodate
110% of the volume of the largest container or 20 % of the total volume of waste
stored in that area, whichever is the greatest; have adequate ventilation;
covered to prevent rainfall entering; and arranged so that incompatible
materials are adequately separated. •Disposal of chemical waste should be via a licensed waste collector; be
to a facility licensed to receive chemical waste, such as the Chemical Waste
Treatment Centre which also offers chemical waste collection service and can
supply the necessary storage containers; or be to a reuser of the waste,
under approval from the EPD. |
All
construction sites |
Implemented |
S8.3.16 |
WM4 |
Sewage •Adequate numbers of portable toilets should be
provided for the workers. The portable toilets should be maintained in a
state which will not deter the workers from utilizing these portable toilets.
Night soil should be collected by licensed collectors regularly. |
All
construction sites |
Implemented |
S8.3.17¡V
S8.3.19 |
WM5 |
General Refuse •General refuse generated on-site should be stored in enclosed bins or
compaction units separately from construction and chemical wastes. •A reputable waste collector should be employed by the Contractor to
remove general refuse from the site, separately from construction and
chemical wastes, on a daily basis to minimize odour, pest and litter impacts.
Burning of refuse on construction sites is prohibited by law. •Aluminium cans are often recovered from the waste stream by
individual collectors if they are segregated and made easily accessible.
Separate labelled bins for their deposit should be provided if feasible. •Office wastes can be reduced through the recycling of paper if
volumes are large enough to warrant collection. Participation in a local
collection scheme should be considered by the Contractor. •Training should be provided to workers about the concepts of site
cleanliness and appropriate waste management procedure, including reduction,
reuse and recycling of wastes. |
All construction sites |
Partially |
Water Quality (Construction Phase) |
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S9.11.1.7 |
W2 |
Land Works General construction activities on land should also be governed by
standard good working practice. Specific measures to be written into the
works contracts should include: •wastewater from temporary site facilities should be controlled to
prevent direct discharge to surface or marine waters; •sewage effluent and discharges from on-site kitchen facilities shall
be directed to Government sewer in accordance with the requirements of the
WPCO or collected for disposal offsite. The use of soakaways shall be
avoided; •storm drainage shall be directed to storm drains via adequately
designed sand/silt removal facilities such as sand traps, silt traps and
sediment basins. Channels, earth bunds or sand bag barriers should be
provided on site to properly direct stormwater to such silt removal
facilities. Catchpits and perimeter channels should be constructed in advance
of site formation works and earthworks; •silt removal facilities, channels and manholes shall be maintained
and any deposited silt and grit shall be removed regularly, including
specifically at the onset of and after each rainstorm; •temporary access roads should be surfaced with crushed stone or
gravel; •rainwater pumped out from trenches or foundation excavations should
be discharged into storm drains via silt removal facilities; •measures should be taken to prevent the washout of construction
materials, soil, silt or debris into any drainage system; •open stockpiles of construction materials (e.g. aggregates and sand)
on site should be covered with tarpaulin or similar fabric during rainstorms; •manholes (including any newly constructed ones) should always be
adequately covered and temporarily sealed so as to prevent silt, construction
materials or debris from getting into the drainage system, and to prevent
storm run-off from getting into foul sewers; •discharges of surface run-off into foul sewers must always be
prevented in order not to unduly overload the foul sewerage system; •all vehicles and plant should be cleaned before they leave the
construction site to ensure that no earth, mud or debris is deposited by them
on roads. A wheel washing bay should be provided at every site exit; •wheel wash overflow shall be directed to silt removal facilities
before being discharged to the storm drain; •the section of construction road between the wheel washing bay and
the public road should be surfaced with crushed stone or coarse gravel; •wastewater generated from concreting, plastering, Internal
decoration, cleaning work and other similar activities, shall be screened to
remove large objects; •vehicle and plant servicing areas, vehicle wash bays and lubrication
facilities shall be located under roofed areas. The drainage in these covered
areas shall be connected to foul sewers via a petrol interceptor in
accordance with the requirements of the WPCO or collected for off site
disposal; •the contractors shall prepare an oil / chemical cleanup plan and
ensure that leakages or spillages are contained and cleaned up immediately; •waste oil should be collected and stored for recycling or disposal,
in accordance with the Waste Disposal Ordinance; •all fuel tanks and chemical storage areas should be provided with
locks and be sited on sealed areas. The storage areas should be surrounded by
bunds with a capacity equal to 110% of the storage capacity of the largest
tank; and •surface run-off from bunded areas should pass through oil/grease
traps prior to discharge to the stormwater system. |
All land-based construction sites |
Implemented |
Ecology (Construction Phase) |
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S10.7 |
E4 |
•Watering to reduce dust generation; prevention of siltation of
freshwater habitats; Site runoff should be desilted, to reduce the potential
for suspended sediments, organics and other contaminants to enter streams and
standing freshwater |
Seawall, reclamation area |
N/A |
E9 |
•Dolphin vessel monitoring |
North Lantau and West Lantau |
Implemented (Post-construction
dolphin monitoring, covered by Contract No. HY/2012/08) |
|
Landscape & Visual (Construction
Phase) |
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S14.3.3.3 |
LV2 |
Mitigate both Landscape and Visual Impacts G1. Grass-hydroseed bare soil surface and stock
pile areas; G2. Add planting strip and automatic irrigation
system if appropriate at some portions of bridge or footbridge to screen
bridge and traffic. G3. Providing aesthetic architectural design on
related buildings (e.g. similar materials for PCB building facade to Airport
buildings, roof planting and subtle materials for other facilities buildings
and so on), and the related infrastructure (e.g. parapet planting and
transparent cover for elevated footbridges) to provide harmonic atmosphere of
the HKBCF. G4. Vegetation reinstatement and upgrading to
disturbed areas; G5. Maximizing new tree, shrub and other
vegetation planting to compensate tree felled and vegetation removed; G6. Providing planting area around peripheral of
HKBCF for tree planting screening effect; G7. Providing salt-tolerant native trees along
the planter strip at affected seawall and newly reclaimed coastline; and G8. Reserve of loose natural granite rocks for
re-use. Provide new coastline to adopt ¡§natural-look¡¨ by means of using armour rocks in
the form of natural rock materials and planting strip area accommodating
screen buffer to enhance ¡§natural-look¡¨ of the new coastline. |
All construction site areas |
N/A |
S14.3.3.3 |
LV3 |
Mitigate Visual Impacts V1. Minimize time for construction activities during construction
period. V2. Provide screen hoarding at the portion of the project site/ works
areas / storage areas near VSRs who have close low- level views to the
Project during HKBCF construction. |
All construction site areas |
N/A |
|
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S15.2.2 |
EM1 |
An Independent Environmental Checker needs to be employed as per the
EM&A Manual. |
All construction sites |
Implemented |
S15.5 ¡V S15.6 |
EM2 |
1) An Environmental Team needs to be employed as
per the EM&A Manual. 2) Prepare a systematic Environmental Management
Plan to ensure effective implementation of the mitigation measures. 3) An environmental impact monitoring needs to be
implementing by the Environmental Team to ensure all the requirements given
in the EM&A Manual are fully complied with. |
All construction sites |
Implemented |