No

No.

Parameter

EIA Ref.

Mitigation Measures/Key EM&A Requirements

Location

Timing

Responsibility

Implementation Status

Air Quality

Dust

8.4.4.1

Vehicle washing facilities shall be provided at the exit point of the site;

Any debris or materials shall be covered entirely by impervious sheeting or stored in a debris collection area sheltered on the top and 3 sides;

Water spray or dust suppression chemical shall be provided during material handling and excavation;

The load on the vehicle shall be covered entirely by clean impervious sheeting to ensure that the dusty materials do not leak from the vehicle.

Entrance/exit of site

Whole site

All period during construction phase

Site Agent / Engineer

Implemented

Odour

8.4.4.2

Any odorous dredged material shall be placed remote from air sensitive receivers;

Any odorous permitted stockpiled material shall be removed within 2 days of work to reduce the amount of time available for decomposition;

Any odorous permitted stockpiled material shall be covered with plastic tarpaulin sheets in the stockpile area.

Whole site

All period during construction phase

Site Agent / Engineer

Implemented

Monitoring

EM&A 2.7

The 24 hour TSP level monitored at the monitoring station shall be comply with the Limit level of 260mgm³;

The hourly TSP level monitored at the monitoring station shall comply with the Limit level of 500mgm³.

Whole site

All period during construction phase

ET Leader

Implemented

No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location	Timing	Responsibility	Implementation Status
Noise
4.	Construction Activities	7.4.4.2 7.4.4.2 7.4.4.2 7.4.4.2 7.4.4.2 7.4.4.2 7.4.4.2	Only well-maintained plant shall be operated on-site and plant shall be serviced regularly during the re-profiling works; Plant and mobile plant (i.e. trucks) that may be in intermittent use shall be shut down between work periods or shall be throttled down to a minimum. Plant known to emit noise strongly in one direction, shall be orientated so that the noise is directed away from the NSRs; Silencers or mufflers on construction equipment shall be uitlised and shall be properly maintained during the re-profiling works; Mobile plant shall be sited far away from the NSR’s; Material stockpiles and other structures shall be effectively uitlised to screen noise from on-site construction activities; and The Contractor shall select the models of PMEs that are quieter than the standard types given in GW-TM.	Whole site Whole site Whole site Whole site Whole site Whole site Whole site	All period during construction phase All period during construction phase All period during construction phase All period during construction phase All period during construction phase All period during construction phase All period during construction phase	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Implemented Implemented Implemented Implemented Implemented Implemented Implemented
5.	Operation Activities	7.5.4.1	Considering sensitivity of the Deep Bay buffer zone area, it is recommended that a maximum noise of L_eq(5min.)75 dB(A) be achieved at 1m from the louver of the pumping station through good engineering design.	Pumping Station	Design and Operation Phases	DSD’s Engineer	Not applicable to construction phase
6.	Monitoring	EM&A 3	The baseline noise monitoring shall be carried out; Construction noise monitoring shall be carried out; Operational noise shall be carried out 1m from the louvre of the pumping station during commissioning stage.	Monitoring location, NM1 Monitoring location, NM1 Monitoring location, NM2	Prior to commencement of construction All period during construction phase Commissioning/ operational phase	ET Leader ET Leader DSD’s Engineer	Implemented Implemented Not applicable to construction phase

No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location		Timing	Responsibility	Implementation Status
Water Quality
7.	Construction Excavation of Sediment	4.4.4.3-4	If excavation on wet stream is not avoidable, the following shall be implemented: - Minimise disturbance to the stream bed while excavating; - Minimise leakage of excavating material during lifting; - Prevent loss of material during transport of excavated material; - Prevent discharge of excavated material except at approved locations; - To minimize the leakage and loss of sediments during excavation, tightly sealed closed grab excavators shall be employed in river sections where material to be handled is wet.	Stream Channel		All period during stream channel excavation	Site Agent / Engineer	Implemented Implemented Implemented Implemented Implemented
8.	Construction Works Timing	4.4.4.5	Excavation shall be undertaken during periods of low flow (dry season).	Stream Channel		All period stream channel excavation	Site Agent / Engineer	Implemented
9.	Construction Runoff and Drainage	4.4.4.6-8 4.4.4.6-8 4.4.4.6-8 4.4.4.6-8	Exposed soil areas shall be minimized to reduce the potential for increased siltation, contamination of run-off and erosion. In addition, no site run-off shall enter fishponds. Construction run-off impacts associated with above ground construction activities shall be controlled through the use of appropriate mitigation measures which include: Temporary ditches shall be provided to facilitate run-off discharge into appropriate watercourses, via a silt retention pond. The boundaries of earthworks shall marked and surrounded by dykes or embankments for flood protection. Open material storage stockpiles shall be covered with tarpaulin or similar fabric to prevent material washing away.	All works area All works area All works area All works area		All period during construction phase All period during construction phase All period during construction phase All period during construction phase	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Implemented Implemented Implemented Implemented
No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location		Timing	Responsibility	Implementation Status
10. (cont’d)	Construction Excavation of Sediment	4.4.4.6-8	Exposed soil areas shall be minimized to reduce the potential for increased siltation and contamination of run-off. Earthwork final surfaces shall be well compacted and subsequent permanent work shall be immediately preformed. The use of sediment traps. The adequate maintenance of drainage systems to prevent flooding and overflow. All temporary drainage pipes and culverts provided to facilitate run-off discharge shall be adequately designed to facilitate rapid discharge of storm flows. All sediment traps shall be regularly cleaned and maintained. The temporarily diverted drainage shall be reinstated to its original condition, when construction work is completed or the temporary diversion is no longer required. Sand and silt in wash water from wheel washing facilities shall be settled out and removed before discharge into temporary drainage pipes or culverts. A section of the haul road between the wheel washing bay and the public road shall be paved with backfill to prevent wash water or other site run-off from entering the public road. Oil interceptors shall be provided in the drainage system downstream of any significant oil and grease sources. They shall be regularly maintained to prevent the release of oils and grease into the storm water drainage system after accidental spillage. The interceptor shall have a bypass to prevent flushing during heavy rain.	All works area All works area All works area All works area All works area All works area All works area		All period during stream channel excavation All period during stream channel excavation All period during stream channel excavation All period during stream channel excavation All period during stream channel excavation All period during stream channel excavation	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Implemented Implemented Implemented Implemented Implemented Implemented Not required in this stage
11.	General Construction Construction Runoff and Drainage	4.4.4.10 4.4.4.11	Debris and rubbish on site shall be collected, handled and disposed of properly. All fuel tanks and storage areas shall be provided with locks and placed on sealed areas, within bunds of a capacity equal to 110% of the storage capacity of the largest tank to prevent spilled fuel oils from reaching the downstream.	All works area All works area		All period during construction phase All period during construction phase	Site Agent / Engineer Site Agent / Engineer	Implemented Implemented
No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements		Location	Timing	Responsibility	Implementation Status
12.	Marine Disposal of Excavated Sediment	4.4.412 4.4.412 4.4.412 4.4.412 4.4.413 4.4.414 4.4.414 4.4.414	The decks of the marine dumping disposal barges and floating pontoons shall be kept tidy and free of oil or other substances or articles which might be accidentally or otherwise washed overboard. All off-site vessels and barges shall be sized such that adequate clearance is maintained between vessels and the sea bed at all states of the tide to ensure that undue turbidity is not generated by turbulence from vessel movement of propeller wash. The works shall cause no visible foam, oil, grease, scum, litter or other objectionable matter to be present on the water at the loading berth or dumping grounds. Water tight trucks shall be used for transportation of marine disposal of excavated material. Additional provisions shall be required upon confirmation that marine sediments are contaminated. Location and depths of areas of contaminated marine sediments shall be indicated in the construction contract. The Contractor shall ensure that contaminated sediments are excavated, transported and placed in approved special dumping grounds in accordance with relevant Technical circulars. Transport of contaminated marine mud to the marine disposal grounds shall be by split barge of not less than 750m³ capacity, well maintained and capable of rapid opening and discharge. The material shall be placed in the pit by bottom dumping, at a location within the pit specified by the FMC. Discharge shall be undertaken rapidly and the hoppers shall then immediately be closed, material adhering to the sides of the hopper shall not be washed out of the hopper and the hopper shall remain closed until the barge next returns to the disposal site.		Marine dumping route/area Marine dumping route/area Marine dumping route/area Marine dumping route/area Marine dumping grounds Marine dumping grounds Marine dumping grounds Marine dumping grounds	All period during construction phase All period during construction phase All period during construction phase All period during construction phase All period during construction phase Marine dumping Marine dumping Marine dumping	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Implemented Implemented Implemented Implemented Implemented Not applicable in this stage Not applicable in this stage Not applicable in this stage

No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location	Timing	Responsibility	Implementation Status
12. (cont’d)	Marine Disposal of Excavated Sediment	4.4.414 4.4.414 4.4.414 4.4.414	The dumping vessel shall be stationary throughout the dumping operation. The Contractor must be able to position the dumping vessel to an accuracy of ±10m. Barge loading shall be monitored 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 EPD. The Contractor shall follow procedures as outlined in the Guidance Note for Dumping and Additional Conditions on Disposal of Contaminated Marine Mud at East Sha Chau Contaminated Mud Disposal.	Marine dumping grounds Marine dumping grounds Marine dumping grounds Marine Dumping grounds	Marine dumping All period during construction phase All period during construction phase All period during construction phase	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Not applicable in this stage Implemented Implemented Implemented
13.	Sewage Effluents	4.4.415	Construction work force sewage is expected to be handled by portable chemical toilets along the alignment if connection to a public sanitary sewer system is not feasible. Appropriate and adequate portable toilets shall be provided by licensed contractors who shall be responsible for appropriate disposal and maintenance of these facilities.	All works areas	All period during construction phase	Site Agent / Engineer	Implemented
14.	Monitoring	EM&A 4.5 EM&A 4.6	The baseline water quality monitoring shall be carried out. Construction phase water quality monitoring shall be carried out.	Monitoring locations, WM1, WM2, WM3 and WM4. Monitoring locations, WM1, WM2, Wm3 and WM4.	Prior to commencement of construction All period during construction phase	ET Leader ET Leader	Implemented Implemented

No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location	Timing	Responsibility	Implementation Status
Waste Management
15.	General	5.4.5.2 5.4.5.2	Training and instruction shall be given to construction staff to increase awareness and draw attention to waste management issues and the need to minimize waste generation. The Contractor shall prepare an on-site management plan of the construction works which should take into account the recommended mitigation measures in the EIA report. Site specific factors such as the designation of areas of segregation and temporary storage of reusable and recyclable materials should be incorporated.	All works area All works area	All period during construction phase Before construction phase	Site Agent / Engineer Site Agent / Engineer	Implemented Implemented
16.	Storage, Collection and Transportation of Waste	5.4.5.3	Wastes shall be handled and stored in a manner to ensure that they are held securely without loss or leakage. Licensed waste hauliers shall be used and they shall only collect wastes prescribed by their permits. Wastes shall be removed Waste storage areas shall be maintained and cleaned on a daily basis. Windblown litter and dust during transportation shall be minimized by either covering trucks or transporting wastes in enclosed containers.	All works areas Waste/refuse Storage areas Waste/refuse Storage areas Waste/refuse Storage areas Waste handling trucks	All period during construction phase All period during construction phase Daily during construction All period during construction phase After waste collection & before trucks leave the construction site	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Implemented Implemented Implemented Implemented Implemented
16. (cont’d)		5.4.5.3 5.4.5.3 5.4.5.3 5.4.5.3	Obtain the necessary waste disposal permits from the appropriate authorities. Wastes shall be disposed of at licensed waste disposal facilities. Develop procedures such as ticketing system to facilitate tracking of loads, particularly for chemical waste, and to ensure that illegal disposal of wastes does not occur; and Maintain records of the quantities of wastes generated, recycled and disposed.	- - - -	Before construction of the Eastern MDC All period during construction phase All period during construction phase All period during construction phase	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer & ET Leader Site Agent / Engineer & ET Leader	Implemented Implemented Implemented Implemented
No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location	Timing	Responsibility	Implementation Status
17.	Construction and Demolition Waste	5.4.5.5	Careful design, planning and good site management shall be adopted to minimize over-ordering and generation of waste materials such as concrete, mortars and cement grouts. The handling and disposal of bentonite slurries shall be undertaken in accordance with Practice Note for Professional Persons – Construction Site Drainage (ProPECC PN 1/94) on construction site drainage. Cover open stockpiles of construction and demolition materials, and temporarily exposed slopes by tarpaulin or similar fabric, particularly during rainy season.	All works areas All works areas All works areas	All period during construction phase All period during construction phase All period during construction phase	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Implemented Implemented Implemented
		5.4.5.9 and 5.4.5.6	Construction and demolition material shall be segregated to inert and non-inert parts. The inert portion shall be re-used at areas of reclamation or land formation, or to public filling area shall such a allocation is deemed necessary. The non-inert portion shall be disposed of to landfill.	All works areas	All period during construction phase	Site Agent / Engineer	Implemented
18.	Chemical Waste	5.4.5.12 5.4.5.13 5.4.5.14	Chemical waste produced shall be handled in accordance with the Code of Practice on the Packaging, Handling and Storage of Chemical Wastes. Containers used for the storage of chemical wastes shall 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 450litres unless the specifications have been approved by EPD; and display a label in English and Chinese in accordance with instructions prescribed in Schedule 2 of the Chemical Waste Regulation. The chemical waste storage area shall be clearly labeled and used solely for storage of chemical waste, enclosed on at least 3 sides; have an impermeable floor and bunding, of capacity to accommodate 110% of the volume of the largest container or 20% of the total volume of waste stored in that area; have adequate ventilation; be covered to prevent rainfall entering; and be arranged so that incompatible materials are adequately separated. Disposal of chemical waste shall be via a licensed waste collector; and to a facility licensed to receive chemical waste; or to a reuser of waste.	Chemical waste arising points Chemical waste arising points Chemical waste arising points Chemical waste arising points	All period during construction phase All period during construction phase All period during construction phase All period during construction phase	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Implemented Implemented Implemented Implemented
No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location	Timing	Responsibility	Implementation Status
19.	General Refuse	5.4.5.17	General refuse on-site shall be stored in enclosed bins separate from construction and chemical wastes. A reputable waste collector shall be employed by the Contractor top remove general refuse from the site, separately from construction and chemical wastes, on a daily or every second day basis to minimize odour, pest and litter impacts. The burning of refuse on construction sites is prohibited by law.	All works areas	All period during construction phase	Site Agent / Engineer	Implemented
19. (cont’d)		5.4.5.18 5.4.5.19	General refuse shall be largely by food service activities on site, so reusable rather than disposable dishware shall be used if feasible. Aluminium cans are often recovered from the waste stream by individual collectors if they are segregated or easily accessible; separate., labeled bins for their deposit shall be provided if feasible. Office wastes can be reduced through recycling if volumes are large enough to warrant collection. Participation in a local collection scheme shall be considered if one is available.	All works areas All works areas	All period during construction phase All period during construction phase	Site Agent / Engineer Site Agent / Engineer	Implemented Implemented
20.	Dust	5.4.5.20	Wetting the surface of the stockpiled soil with water in dry season unless during emergency; covering the stockpile soil with sheets; inimize disturbance of the stockpile soil; and enclosure of the stockpiling area.	All works areas	All period during construction phase	Site Agent / Engineer	Implemented
21.	Water Quality	5.5.5.20	There shall be a separate surface water drainage system for the stockpiling area; silt traps shall be installed for surface water drainage system and the stockpile material shall be covered with tarpaulin during heavy rainstorm.	All works areas	All period during construction phase	Site Agent / Engineer	Implemented
22.	Excavated Materials/ Contamin’d Sediment	5.4.5.21 5.4.5.21	Sampling and analysis of the sediment to confirm the level of contamination is required prior to construction of the MDC. A sediment Quality Report shall be submitted to FMC and EPD for allocation of final disposal site and issuance of disposal permit. This is to ensure that specific disposal requirements and precautionary handling procedures can be determined; DSD to advise FMC on the quality and quantity of the contaminated sediment arising during the detailed design stage. The use of bulk earth-moving equipment to inimize the contact of contaminated material with construction workers.	Proposed Sediment sampling points of MDC All excavation/ Dredging area	Before construction phase During excavation/ Dredging of MDC	Site Agent / Engineer Site Agent / Engineer	Not required for the contractor Implemented

No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location	Timing	Responsibility	Implementation Status
22.		5.4.5.21	Minimising exposure to any contaminated material by the wearing of protective gear such as gloves, providing adequate hygiene and washing facilities and preventing eating during excavation.	All excavation/ Dredging area	During excavation/ Dredging of MDC	Site Agent / Engineer	Implemented
23. (cont’d)		5.4.5.21 5.4.5.21 5.4.5.21 5.4.5.21 5.4.5.21 5.4.5.21	Any contaminated mud or sediment excavated shall not be allowed to stockpile on site and shall be immediately removed from site once excavated. Excavated sediment shall be transported by water-tight trucks to potential marine barging points, then to sea going barges for transfer to designated marine disposal grounds. Permitted waste hauliers shall be used to collect and transport contaminated sediments for disposal. All vessels for marine transportation of excavated sediment shall be fitted with tight fitting seals to their bottom openings to prevent leakage of materials. Loading of barges and hoppers shall be controlled to prevent splashing of excavated material to the surrounding water, and barges or hoppers shall under no circumstances to be filled to a level which shall cause the overflowing of materials or polluted water during loading or transportation. The decks of any off-site barges (for disposal to marine dumping grounds) and floating pontoons shall be kept tidy and free of oil or any other substances or articles which might be accidentally or otherwise washed overboard.	All excavation/ Dredging area All excavation/ Dredging area All excavation/ Dredging area All excavation/ Dredging area All excavation/ Dredging area All excavation/ Dredging area	During excavation / dredging of MDC During excavation / dredging of MDC During excavation / dredging of MDC During excavation / dredging of MDC During excavation / dredging of MDC During excavation / dredging of MDC	Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer Site Agent / Engineer	Not applicable in this stage Not applicable in this stage Not applicable in this stage Not applicable in this stage Not applicable in this stage Not applicable in this stage
Ecology
24.	Habitat Mitigation	3.6.4.2	Isolate working area from remainder of TOAs and other temporarily affected ponds by constructing earth bund across ponds within the works boundary 50m from the west edge of the Eastern MDC. Do not drain pond area outside the 50M limit during bund construction, or refill them immediately following bund construction. Remove bunds, reinstate the 50m wide working area portion of the affected ponds upon completion of construction. Provide access for fish ponds affected by the project.	All other TOAs and all other fish ponds drained down for project construction at Eastern MDC works site	Design and construction stage	Site Agent / Engineer	Not applicable in this stage

No.

Parameter

EIA Ref.

Mitigation Measures/Key EM&A Requirements

Location

Timing

Responsibility

Implementation Status

24. (cont’d)

3.6.4.5

3.6.4.6

3.6.4.6-

3.6.4.8

3.6.4.9

3.6.4.10

Deletion from design of maintenance access road on eastern MDC embankment (already accomplished)

Design and construction of flood storage pond at San Tin Village: grasscrete sides at 1 in 2 slope, concrete bottom.

Management of flood storage pond at San Tin Villages: maintain water depth of 0.3m to 0.85m through pond design and pump operation except during maintenance or exceptional circumstances.

Allow up to 150m of sediment to accumulate on bottom;

Avoid dredging clear to the bottom;

Allow vegetation to colonise banks;

Cut back vegetation only on maintenance-need basis;

Allow fish to colonise pond naturally.

Maintenance of Tsing Lung Tsuen drainage channel: Do not cut back vegetation along sides of channel except as required for channel maintenance.

Design and construction of tidal portion of Eastern MDC: Grasscrete sides at 1 in 2 slope; earthern bottom in channel.

Maintenance of tidal portion of Eastern MDC:

Minimise cutting back of vegetation to lowest levels compatible with maintaining flood capacity.

Minimise dredging of channel bottom in this zone to lowest levels compatible with maintaining flood capacity.

Eastern embankment of Eastern MDC

Flood storage pond, San Tin villages

Channel outside San Tin villages polder

Eastern MDC downstream of inflatable dam

Already accomplished (design stage)

Design and construction stage

Throughout operational lifetime of pond

Project design and construction phases

Throughout operational lifetime of channel

Site Agent / Engineer

DSD’s Engineer

DSD’s Engineer and TDD (design)

Site Agent / Engineer

DSD’s Engineer

Not required for contractor

Not applicable in this stage

No.

Parameter

EIA Ref.

Mitigation Measures/Key EM&A Requirements

Location

Timing

Responsibility

Implementation Status

24. (cont’d)

3.6.4.11- 3.6.4.12

Annex 3-J

3.6.4.13

Design, construction and management of constructed wetland area east of Eastern MDC: to provide wetland habitats useful to wildlife, with varied water depth, and planting of wetland vegetation and trees/bamboos; details as specified in

Annex 3-J

Design of Eastern MDC upstream of inflatable dam:

Grasscrete lining of channel except DWF channel; channel banks at 1 in 2 slope.

Hydroseeding of outer embankments of Eastern MDC.

Plant stands of bamboos and trees at sites along Eastern MDC embankments as shown in Figure 3.6e; species and density as described in Annex 3-J.

Replace any dead plantings during one-year establishment

Period with species approved by TDD and AFD.

Location shown in EIA Report Figure 3.6c, east of Eastern MDC and west of San-Sham Road

Eastern MDC

Upstream of inflatable dam

At sites along Eastern MDC as marked in Final EIA Report Figure 3.6e

Construction of wetlands simultaneous with or immediately on completion of Eastern MDC construction. Management to begin upon completion of wetland construction and to continue throughout lifetime of channel.

Project design and construction phases

Simultaneous with or immediately following completion of channel construction

DSD and TDD (design)

Site Agent / Engineer

(earthworks vegetation) DSD (maintenance of outlet pipes and flag valves)

Lands Dept. (lands administration)

AFD (vegetation management)

DSD and TDD

(design) and Site Agent / Engineer (construction)

DSD and TDD

(design); Site Agent / Engineer (implementation Including establishment phase)

Not applicable in this stage

25.

Water quality

3.6.4.20 – 3.6.4.21

Water quality control measures:

Implement and enforce water quality control measures outlined in implementation schedule for water section.

Dredging of existing stream channel shall only be undertaken in dry season unless during emergency conditions.

On work site

During construction phase

Site Agent / Engineer

Implemented

No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location	Timing	Responsibility	Implementation Status
26.	Wildlife Disturbance	3.6.4.22	Noise and disturbance control measures: Restrict movements of construction equipment and site workers to areas within the site boundary (including Temporary Works Areas) and approved entry/exit points under terms of contract; supervision by contractor. ET to brief site workers on the need to remain within the site and avoid disturbance to surrounding habitats. Tape off excavation areas. Implement and enforce measures recommended in Implementation Schedule item 5.	On works site	During construction phase	The Contractor and ET Leader	Implemented
27.	Habitat Mitigation	3.6.5.2	Maintenance of Eastern MDC: Minimise dredging frequency and clearance of in-channel vegetation without compromising flood capacity of channel to unacceptable levels. Conduct dredging of existing stream channel only in dry season except under emergency conditions; follow relevant guidelines in the Water section of the Implementation Schedule during dredging. Operation of inflatable dam in Eastern MDC: Periodic review of dam operation in relation to ecological value of the Eastern MDC, as specified in EM&A Manual Section 6.2.1.	Eastern MDC Eastern MDC	Throughout operational lifetime of channel Throughout operational lifetime of channel	DSD’s Engineer DSD and TDD/Appointed ecologist (first three years); to be determined thereafter	Not applicable in this stage Not applicable in this stage
28.	Habitat Mitigation – Monitoring	EM&A 6.2.2 Task 1	Monitoring of bird use of San Tin Villages flood storage pond methodology as per EM&A Manual.	San Tin Villages Flood storage pond (see Final EIA Report, Figure 3.6c for location)	4 times per year for first 3 years of pond operation	Appointed ecologist /TDD	Not applicable in this stage

No.

Parameter

EIA Ref.

Mitigation Measures/Key EM&A Requirements

Location

Timing

Responsibility

Implementation Status

Land Contamination

29.

General

6.4.3.1

6.6.1.

1-7

Annex 6-A

6.6.1.8

Determine the potential extent of any land contamination by developing a current Contamination Assessment Plan (CAP) for sites to be investigated. This CAP will be prepared and approved by EPD prior to site investigation. Depending on the investigation requirements, a contamination assessment report (CAR) will be prepared after contamination investigation activities have concluded.

Prepare the CAP for approval prior to the construction phase. Upon completion of subsequent CAR, discuss the results and data with EPD to determine the most appropriate course of action (which may or may not include mitigation works).

Perform the typical site investigation activities as per the CAP presented in Annex 6-A 9to be approved by EPD), and in accordance with applicable guidelines such as the ProPECC PN3/94 Guidance note.

No soils shall be stockpiled. If this cannot be avoided, they shall be covered with tarpaulin to inimize the potential for run-off and prevent any pollution, especially during heavy rainstorms.

Vehicles containing any contaminated materials shall be covered to limit potential dust emissions, or contaminated wastewater run-off during transportation or under wet conditions.

All appropriate licenses and permits shall be obtained for working with contaminated material in accordance with appropriate regulations.

Selected portions of site(s) which require specific contamination investigation

Whole site

Prior to construction phase (as required)

Prior to construction phase (as required); and prior to development as required.

Prior to construction phase (as required)

All period during construction phase

Design phase

DSD’s Engineer

Site Agent / Engineer

DSD’s Engineer

Not applicable to the contractor

Implemented

Not applicable to contractor.

No.

Parameter

EIA Ref.

Mitigation Measures/Key EM&A Requirements

Location

Timing

Responsibility

Implementation Status

29.

(cont’d)

6.6.1.8

All excavation activities in contaminated areas and the handling of contaminated groundwater shall be performed by the contractor and observed by and directed, as required, by the environmental specialist.

Only licensed contractors shall be utilized for hauling the contaminated soil to the specified disposal location, and specific operational procedures shall be implemented for the activities.

Liaison shall be maintained with EPD to ensure that all excavation activities have been performed to requirements.

If the size of the excavation increases, engineering and other concerns may limit the depth or extent of excavation along the property boundaries, as required. Decisions on this matter shall be addressed by appropriate works contractor’s engineering personnel and the environmental specialist as required, based on filed conditions.

Procedures shall be developed to ensure that illegal disposal of wastes does not occur, and records of quantities of wastes

Generated and disposed of shall be maintained.

Whole site

All period during construction phase

Site Agent / Engineer

DSD’s Engineer./ Site Agent / Engineer

Implemented

30.

Health & Safety/

Contamination Exposure During Construction Works

6.4.3.2

No unauthorized persons shall be allowed into the work area, and necessary precautions shall be taken to prohibit unauthorized entry into the Site or works areas.

Eating, drinking, smoking or any practice that increases the probability of hand to mouth transfer and ingestion of material is prohibited in any area designated as being contaminated.

Food, beverages. Tobacco products, etc. are prohibited in any area designated as being contaminated. Adequate warning signs shall be posted to this effect.

Hands must be thoroughly washed upon leaving the work area, and before eating, drinking or any other activities.

Whole site

All period during construction phase

Site Agent / Engineer

Implemented

No.

Parameter

EIA Ref.

Mitigation Measures/Key EM&A Requirements

Location

Timing

Responsibility

Implementation Status

30.

(cont’d)

6.4.3.2

8.4.5.1

6.4.3.2

Contact with contaminated surfaces or with surfaces suspected of being contaminated shall be avoided. Whenever possible, one shall not walk through puddles, mud or other discoloured surfaces; kneel on the ground; lean, sit or place equipment on drums, containers, vehicles or the ground.

No trench or other excavation greater than 1m deep shall be entered unless the atmosphere has been tested and found to be safe, or the sides of the excavation have been shored up or prepared in such a way, as required, to remain stable. Personnel and equipment in the contaminated area shall be minimized, consistent with effective site operations.

During site operations with contaminated soil, all field personnel must be on the alert for potentially hazardous materials including odorous solids or liquids, and accumulations or seepage of liquids which are tarry, oily, fuming, bubbling, or discoloured.

Adequate first aid kits shall be present on site.

The use of dust control measures, such as water sprays, shall be employed to minimise dust emissions and the possible spread of contamination during dry, dusty or windy conditions.

Prior to starting work workers shall determine the location of

The nearest telephone and washing facilities. If accidental contact is made with hazardous or unknown chemicals the contact point shall immediately be washed, and if necessary, medical aid sought.

Whole site

All period during construction phase

Site Agent / Engineer

Implemented

No.

Parameter

EIA Ref.

Mitigation Measures/Key EM&A Requirements

Location

Timing

Responsibility

Implementation Status

31.

Contamin’d

Soil Disposal

6.6.1.8

All soil disposal activities shall be subject to the conditions and approval of the Facilities Management Group, under the authority of the EPD.

A record of all correspondence with the Facilities Management Group regarding the disposal of soils from this site shall be maintained.

All contaminated soil shall be disposed of at the designated landfill subject to approval of the EPD and Facilities Management Group.

For contaminated soil disposal, trip tickets shall be issued to ensure proof of disposal at the landfill facility.

All trucks/lorries leaving the site containing contaminated materials shall be sheeted/covered to limit potential dust emissions in dry conditions, and contaminated waste water run-off under wet conditions.

Wheel washing of vehicles leaving the site shall be undertaken to ensure that nay contaminated materials or dusts are not carried over onto the public highway.

Upon completion of the soil excavation activities, additional confirmatory soil samples shall be collected, as required, for analysis.

Upon completion of the soil excavation programme, clean fill material may be imported and placed in the excavations as required, to bring the site level to grade.

Whole site

All period during construction phase

Site Agent / Engineer

Implemented

No.	Parameter	EIA Ref.	Mitigation Measures/Key EM&A Requirements	Location	Timing	Responsibility	Implementation Status
33.	Future Issues	6.6.1.8	Follow appropriate protocols.	Whole site	All period during construction phase or operational phase, as necessary	Site Agent / Engineer	Implemented
Landscape and Visual
35.	Planting to eastern embankment and constructed wetland (and associated planting)	9.9.1.1, 3, 9.9.2.1	Planting to assist screening function of border crossing area and also to assist to provide and ecological and landscape resource within the constructed wetland, with consideration given to early planting. The PELBTC No. 3/94 Tree Preservation should be followed in the design process.	Eastern embankment to perimeter of Lok Ma Chau border crossing	During design and construction phase	Site Agent / Engineer	Not applicable in this stage
36.	Planting to western embankment	9.9.1.2, 3 9.9.21	Planting to reflect existing fish pond group/individual tree/shrub groupings and ecological mitigation in design and species selection, with consideration given to early planting.	Western Embankment	During construction phase	Site Agent / Engineer	Implemented
37.	Pumping station design and detailing	9.9.1.4	Design pumping station building to reflect the scale of other buildings/structures in the local area.	Pumping station	Design stage of pumping station	DSD’s Engineer	Not applicable in this stage
38.	Soil Conservat’n	9.9.2.1	Consideration should be given to undertake landscaping works early in the construction phase, as well as to as conserve soil as a planting medium, such as from pond0bund materials.	Whole site	All period during construction	Site Agent / Engineer	Implemented
39.	Planting Work Monitoring	EM&A 6.2.1. Task 6	Monitoring of planting work for the ecological and landscape mitigation shall be undertaken.	Planting to eastern embankment, constructed wetland and western embankment	Once per year for first 3 years of operation	TDD/ Appointed consultant	Not applicable in this stage
Notes: EM&A = Agreement No. CE 43/96 Main Drainage Channels and Poldered Village Protection Scheme of San Tin, NWNT: Environmental Impact Assessment Study – Environmental Monitoring and Audit Manual ET Leader = Environmental Team Leader DSD = Drainage Services Department EIA = Agreement No. CE 43/96 Main Drainage Channels and Poldered Village Protection Scheme for San Tin: Environmental Impact Assessment Study – Final Assessment Report GW-TM = General Works Technical Memorandum PELBTC = Planning Environmental Lands Bureau Technical Circular PME = Powered Mechanical Equipment TDD = Territory Development Department