Appendix C - Implementation Schedule of Environmental Mitigation Measures

EIA Ref.	EM&A Log Ref	Environmental Mitigation Measures	Location	Implementation Status
Air Quality
S5.5.6.1 of HKBCFEIA	A1	The contractor shall follow the procedures and requirements given in the Air Pollution Control (Construction Dust) Regulation	All construction sites	V
S5.5.6.2 of HKBCFEIA and S4.8.1 of TKCLKLEIA	A2	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. · 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; · 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 and the 3 sides; · 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; · All unpaved roads/exposed area shall be watered which results in dust suppression by forming moist cohesive films among the discrete grains of road surface material.  · No burning of debris or other materials on the works areas is allowed; · Water spray shall be used during the handling of fill material at the site and at active cuts, excavation and fill sites where dust is likely to be created; · Open dropping heights for excavated materials shall be controlled to a maximum height of 2m to minimise the fugitive dust arising from unloading; · During transportation by truck, materials shall not be loaded to a level higher than the side and tail boards, and shall be dampened or covered before transport.  Materials having the potential to create dust shall not be loaded to a level higher than the side and tail boards, and shall be covered by a clean tarpaulin.  The tarpaulin shall be properly secured and shall extend at least 300mm over the edges of the side and tail boards; · 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 or part of the construction site where the exposed earth lies.	All construction sites	V
S5.5.6.3 of HKBCFEIA and S4.8.1 of TKCLKLEIA	A3	The Contractor should undertake proper watering on all exposed spoil and associated work areas (with at least 8 times per day) throughout the construction phase.	All construction sites	V
S5.5.6.4 of HKBCFEIA and S4.11 of TKCLKLEIA	A4	Implement regular dust monitoring under EM&A programme during the construction stage.	Selected representative dust monitoring station	V
S5.5.7.1 of HKBCFEIA	A5	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.	All construction sites	N/A
S5.5.2.7 of HKBCFEIA	A6	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	N/A (Construction in process)
Construction Noise (Air borne)
S6.4.10 of HKBCFEIA	N1	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	V
S6.4.11 of HKBCFEIA	N2	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	V
S6.4.12 of HKBCFEIA	N3	Install movable noise barriers (typically density @14kg/m^2), acoustic mat or full enclosure close to noisy plants including air compressor, generators, saw.	For plant items listed in Appendix 6D of the EIA report at all construction sites	N/A
S6.4.13 of HKBCFEIA	N4	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	V
S6.4.14 of HKBCFEIA	N5	Sequencing operation of construction plants where practicable.	All construction sites where practicable	V
S5.1 of TMCLKLEIA	N6	Implement a noise monitoring under EM&A programme.	Selected representative noise monitoring station	V
Waste Management (Construction Waste)
S12.6 of TMCLKLEIA	WM1	The Contractor shall identify a coordinator for the management of waste.	All construction sites	V
S12.6 of TMCLKLEIA	WM2	The Contractor shall apply for and obtain the appropriate licenses for the disposal of public fill, chemical waste and effluent discharges.	All construction sites	V
S12.6 of TMCLKLEIA	WM3	EM&A of waste handling, storage, transportation, disposal procedures and documentation through the site audit programme shall be undertaken.	All construction sites	V
S8.3.8 of HKBCFEIA and S12.6 of TMCLKLEIA	WM4	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; · Adopt ‘Selective Demolition’ technique to demolish the existing structures and facilities with a view to recovering broken concrete effectively for recycling purpose, where possible; · Implement a trip-ticket system for each works contract to ensure that the disposal of C&D materials are properly documented and verified; · Implement an enhanced Waste Management Plan similar to ETWBTC (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; and · The surplus surcharge should be transferred to a fill bank.	All construction sites	V
S8.3.9- S8.3.11 of HKBCFEIA and S12.6 of TMCLKLEIA	WM5	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 and falsework 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	V
S8.2.12- S8.3.15 of HKBCFEIA and S12.6 of TMCLKLEIA	WM6	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 a 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	V
S8.3.16 of HKBCFEIA and S12.6 of TMCLKLEIA	WM7	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	V
S8.3.17 of HKBCFEIA and S12.6 of TMCLKLEIA	WM8	General Refuse · The site and surroundings shall be kept tidy and litter free. 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. In addition, waste separation facilities for paper, aluminum cans, plastic bottles etc., should be provided. · Training should be provided to workers about the concepts of site cleanliness and appropriate waste management procedure, including reduction, reuse and recycling of wastes. · Sufficient   dustbins   shall   be provided for storage of waste as required under the Public Cleansing and Prevention of Nuisances By-laws.  In addition, general refuse shall be cleared daily and shall be disposed of to the nearest licensed landfill or refuse transfer station.    · All waste containers shall be in a secure area on hardstanding.	All construction sites	V
Water Quality (Construction Phase)
	W1	Mitigation during the marine works to reduce impacts to within acceptable levels have been recommended and will comprise a series of measures that restrict the method and sequencing of backfilling, as well as protection measures. Details of the measures are provided below: · Reclamation filling for the Project shall not proceed until at least 200m of leading seawall at the reclamation area formed above +2.2mPD, unless otherwise agreement was obtained from EPD, except for the 300m gaps for marine access. All underwater filling works shall be carried out behind seawalls to avoid dispersion of suspended solids outside the Project limit; · Except for the filling of the cellular structures, not more than 15% public fill shall be used for reclamation filling below +2.5mPD during construction of the seawall; · After the seawall is completed except for the 300m marine access as indicated in the EPs, not more than 30% public fill shall be used for reclamation filling below +2.5mPD, unless otherwise agreement from EPD was obtained; · Upon completion of 200m leading seawall, no more than a total of 60 filling barge trips per day shall be made with a cumulative maximum daily filling rate of 60,000 m3 for HKBCF and TMCLKL southern landfall reclamation during the filling operation; and · Upon completion of the whole section of seawall except for the 300m marine access as indicated in the EPs, no more than a total of 190 filling barge trips per day shall be made with a  cumulative maximum daily filling rate of 190,000 m3 for the remaining filling operations for HKBCF and TMCLKL southern landfall reclamation. · Floating type perimeter silt curtains shall be around the HKBCF site before the commencement of marine works. Staggered layers of silt curtain shall be provided to prevent sediment loss at navigation accesses. The length of each staggered layers shall be at least 200m; · Single layer silt curtain to be applied around the North-east airport water intake; · The silt-curtains should be maintained in good condition to ensure the sediment plume generated from filling be confined effectively within the site boundary; · The filling works shall be scheduled to spread the works evenly over a working day; · Cellular structure shall be used for seawall construction; · A layer of geotextile shall be placed on top of the seabed before any filling activities take place inside the cellular structures to form the seawall; · The conveyor belts shall be fitted with windboards and conveyor release points shall be covered with curtain to prevent any spillage of filling materials onto the surrounding waters; and · An additional layer of silt curtain shall be installed near the active stone column installation points. A layer of geotextile with stone blanket on top shall be placed on the seabed prior to stone column installation works.	During filling	V
S9.11.1.3 of HKBCFEIA and S6.10 of TMCLKLEIA	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 offsite 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 storm water system..	All land-based construction sites	V
S9.14 of HKBCFEIA and S6.10 of TMCLKLEIA	W3	Implement a water quality monitoring programme	At identified monitoring location	V
S6.10 of TMCLKLEIA	W4	All construction works shall be subject to routine audit to ensure implementation of all EIA recommendations and good working practice.	All construction site areas	V
Ecology (Construction Phase)
S10.7 of HKBCFEIA and S8.14 of TMCLKLEIA	E1	· Install silt curtain during the construction · Limit works fronts · Construct seawall prior to reclamation filling where practicable · Good site practices · Strict enforcement of no marine dumping · Site runoff control · Spill response plan	Seawall, reclamation area	V
S10.7 of HKBCFEIA	E2	· 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.	Land-based works areas	V
S10.7 of HKBCFEIA and S8.14 of TMCLKLEIA	E3	· Good site practices, including strictly following the permitted works hours, using quieter machines where practicable, and avoiding excessive lightings during night time.	Land-based works areas	V
S10.7 of HKBCFEIA and S8.14 of TMCLKLEIA	E4	· Dolphin Exclusion Zone · Dolphin watching plan	Marine works	V
S10.7 of HKBCFEIA and S8.14 of TMCLKLEIA	E5	· Decouple compressors and other equipment on working vessels · Proposal on design and implementation of acoustic decoupling measures applied during reclamation works · Avoidance of percussive piling	Marine works	V
S10.7 of HKBCFEIA and S8.14 of TMCLKLEIA	E6	· Control vessel speed · Skipper training · Predefined and regular routes for working vessels; avoid Brothers Islands	Marine traffic	V
S10.10 of HKBCFEIA and S8.14 of TMCLKLEIA	E7	· Vessel based dolphin monitoring	Northeast and Northwest Lantau	V
Fisheries
S11.7 of HKBCFEIA	F1	· Reduce re-suspension of sediments · Limit works fronts · Good site practices · Strict enforcement of no marine dumping · Spill response plan	Seawall, reclamation area	V
S11.7 of HKBCFEIA	F2	· Install silt-grease trap in the drainage system collecting surface runoff	Reclamation area	V
Landscape & Visual (Construction Phase)
S14.3.3. 3 of HKBCFEIA and S10.9 of TMCLKLEIA	LV1	Mitigate Landscape Impacts G1/CM4  Grass-hydroseed or sheeting bare soil surface and stock pile areas.  G9       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 new coastline.	All construction site areas	N/A
S10.9 of TMCLKLEIA	LV2	Mitigate Landscape Impacts CM7     Ensure no run-off into water body adjacent to the Project Area.	All construction site areas	V
S14.3.3. 3 of HKBCFEIA	LV4	Mitigate Visual Impacts V1       Minimize time for construction activities during construction period.	All construction site areas	V
S10.9 of TMCLKLEIA	LV5	Mitigate Visual Impacts CM6     Control night-time lighting and glare by hooding all lights.	All construction site areas	V
EM&A
S15.2.2 of HKBCFEIA	EM1	An Independent Environmental Checker needs to be employed as per the EM&A Manual.	All construction site areas	V
S15.5 - S15.6 of HKBCFEIA	EM2	· An Environmental Team needs to be employed as per the EM&A Manual. · Prepare a systematic Environmental Management Plan to ensure effective implementation of the mitigation measures. · 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 site areas	V

Legend:    V = implemented;                    x = not implemented;               N/A = not applicable