EIA S18_Implementation Schedule

Table 18.1 Project Implementation Schedule

EIA Ref.	Recommended Mitigation Measures	Objectives of the Recommended Measures & Main Concern to Address			Who to implement the measures?		Location of the measures		When to implement the measures?	Requirements
Ecological Impact (Detailed design Phase / Pre-construction Phase)
S3.398	- Prior to commencement of channel works, an ecological habitat management plan should be prepared to provide the detailed specifications for the habitats and ecological functions to be provided, and control of colonization of invasive plant species at the mitigation stream habitats and define the long-term management and ecological monitoring and audit requirements for these habitats.	To mitigate the avoidable loss of watercourse habitat			MTR		SSS		Detailed design phase / Prior to commencement of channel works	Ecological habitat management plan
S3.388 - S3.397	- The constructed channel in the SSS site should include open channel with ecologically friendly stream feature to mitigate the direct impact due to the loss of a watercourse habitat in Shek Kong.	To mitigate the avoidable loss of watercourse habitat			MTR / DDC		SSS		Detailed design phase	Ecological habitat management plan
S3.410	- The implementation details of the impact monitoring programme should be described in ecological monitoring plan for EPD approval before commencement of construction activities.	To outline details of ecological impact monitoring			MTR		MPV, TPP, SSS / ERS, PHV and TUW		Before commencement of construction activities	Ecological monitoring plan
S3.327 & S3.412	- A monitoring and emergency response plan (to be prepared by the Contractor), in relation to potential impacts due to groundwater drawdown, will form part of the EM&A requirement in the EM&A Manual subject to approval by EPD and AFCD before commencement of the tunnelling and MPV construction in Mai Po area. The plan should include, but not be limited to, details of monitoring locations and programme, a mechanism to monitor the implication from the works to the groundwater system and fish pond, action levels and emergency responses such as immediate action, remedial action and investigation.	To detect potential impacts due to groundwater drawdown			Contractor		MPV		Before commencement of the tunnelling and MPV construction	Groundwater monitoring and emergency response plan
S3.413	- A monitoring and emergency response plan, in relation to impacts due to noise/vibration, should form part of the EM&A requirement in the EM&A Manual subject to approval by EPD and AFCD before commencement of the tunnelling and MPV construction in Mai Po area.	To detect and monitor noise / vibration impacts			Contractor		MPV		Before commencement of bore tunnelling and MPV construction	Monitoring and emergency response plan on noise and vibration
Ecological Impact (Construction Phase)
S3.325 - S3.326	- Implementation of precautionary measures during tunnelling works.	To avoid potential hydrogeological impacts			Contractor		All works areas		Construction phase	-
S3.409 to S3.410	- Ecological impact monitoring focusing on habitats and species of conservation interest should be conducted during the construction phase at the MPV, TPP, SSS / ERS, PHV, and TUW sites where a number of avifauna of conservation interest (e.g. overwintering bird, Greater Painted-snipe) and areas of conservation interest (e.g. country parks, conservation areas, and wetlands) were recorded. - Avifaunal communities should be surveyed quantitatively along transects. Birds heard or seen along the transects should be identified to species and counted. The nature of construction works within works area conducting during each impact monitoring visit should also be recorded. The quantitative monitoring results should be compared to pre-construction condition. The impact monitoring results should be undertaken by qualified ecologist(s) with relevant working experience. - Should any unpredicted indirect ecological impacts arising from the proposed Project be detected, remedial measures should be developed and implemented by the Contractor.	· To monitor potential indirect construction impacts to wildlife			MTR MTR Contractor		MPV, TPP, SSS / ERS, PHV, and TUW		Construction phase	-
S3.327 & S3.412	- Implementation of the groundwater monitoring and emergency response plan.	· To detect and minimize hydrological impacts			Contractor		MPV		Construction phase (During bore tunneling works and construction of Mai Po Ventilation Shaft)	-
S3.413	- Implementation of monitoring and emergency response plan on noise and vibration.	To detect and minimize noise / vibration impacts			Contractor		MPV		Construction phase (During bore tunneling works and construction of Mai Po Ventilation Shaft)	-
S3.364 -S3.369	- Use of quiet construction plant and temporary noise barriers. - Access to the ventilation building sites should follow existing access roads, such as the maintenance access along the existing drainage channels. - Site hoarding of about 2.4 m high should be erected around the works area of access roads along drainage channels in the TPP and SSS / ERS sites. - Gate and fences should be installed along the construction accesses that are adjacent to public areas. - Gates and hoardings should be provided at the entrances/exits and along the boundary of the works areas respectively to prevent any trespassers from encroaching or will fully disturbing any wild animals and their habitats within the works areas. - A trip-ticket system should be adopted to monitor the disposal of construction and demolition materials. CCTV and warning signs should be provided at the entrance of the proposed temporary and permanent vehicular access.	To minimise impacts to surrounding habitats			MTR / Contractor		All works areas		Construction phase	-
3.370 -3.371 and 3.373	- Vegetation located within the works areas should be preserved as far as practicable. - To avoid soil compaction, heavy machinery should not be used in close proximity to vegetation. Soils that become compacted through the activities of the development should be loosened to an appropriate depth to allow seed germination. - All temporarily affected habitats should be reinstated after the completion of works. - Placement of equipment or stockpiles should be confined to designated works areas. Access routes should be confined on existing disturbed land, where practicable.	To minimize impacts to vegetation			MTR / Contractor		All works areas		Construction phase	-
	- Detailed vegetation survey should be conducted in TSW site prior to commencement of site clearance.	To minimize impacts to vegetation			MTR / Contractor		TSW		Prior to commencement of site clearance	-
	- To mitigate the loss of the vegetation and habitats, planting of native species should be provided in the areas affected by the Project in TSW site, and other works area, where practicable.	To minimize impacts to vegetation			MTR / Contractor		TSW and all other works areas		Construction phase	-
S3.372	- The affected individuals of Incense Tree within the NTV works area should be transplanted to nearby suitable habitats prior to the commencement of site clearance at NTV works area as far as practicable. - A detailed vegetation survey covering the affected habitat at NTV works area should be conducted by a suitably qualified botanist / ecologist to identify and record the affected individuals in order to provide details for the transplantation scheme prior to the commencement of site clearance. Feasibility and suitability of transplanting the affected individuals would be studied and suitable receptor sites would be identified. The transplantation proposal for the affected individuals should be prepared as necessary and transplantation should be supervised by a suitably qualified ecologist / horticulturist.	To minimize impacts to vegetation			MTR / Contractor		NTV		Construction phase	Detailed vegetation survey Transplantation Proposal
S3.374 - S3.377	- Site hoarding of 2.4 m high should be set up along the boundary of the works areas as far as practicable.	To minimize disturbance to wildlife			Contractor		All works areas		Construction phase	-
	- The erection of hoarding (2.4 m) along KT5 in the area with high Greater Painted-snipe occurrence (e.g. the proposed access road next to KT5) should avoid their breeding season, prior to construction activities in the area.						KT5 (near TPP)		Prior to the construction of access road	-
	- The use of noisy construction equipment such as hydraulic breakers should be avoided at the area with high painted-snipe occurrence (e.g. the proposed access road next to KT5) during their breeding season as far as practicable.						KT5 (near TPP)		Construction phase	-
	- Hoardings of 2.4 m height should be put in place before commencement of construction activities. Hoarding at the section along the northern boundary of the MPV works area should be installed first. The duration of hoarding erection should be kept as brief as practicable. - Upon the erection of site hoarding, all construction activities should be conducted within the fenced area.						MPV		Right after possession of site	-
	- Major construction site lighting should point inward and downward. Unnecessary lighting should be turned off outside working hours of the construction sites.						All works area		Construction phase	-
S3.378 - S3.380	- Excavation works carried out within waterbodies should be carried out in dry season where practicable. - Excavation works within the watercourse / drainage channel should be restricted when possible to an enclosed dry section of the watercourse / drainage channel, with containment measures such as bunds and barriers used within the watercourse / drainage channel. - Site runoff should be directed towards regularly cleaned and maintained silt traps and oil / grease separators. The silt and oil / grease separators should be appropriately designed for the local drainage and ground conditions. Tightly sealed closed grab excavators should be deployed where material to be handled is wet. - The flow of the watercourse and drainage channel located with the Project Area should be maintained throughout the construction phase.	To minimise pollution to waterbodies			Contractor		All works areas		Construction phase	-
Terrestrial Ecological Impact (Post-construction / Operation Phase)
S3.327 & S3.412	- Implementation of the groundwater monitoring and emergency response plan.	To detect and minimize hydrogeological impacts			Contractor		MPV		Post-construction phase	-
S3.381	- The affected agricultural land should be restored to a condition suitable for agricultural use before handing over to landowners / operators.	To minimize impacts to surrounding habitats			MTR / Contractor		All temporarily occupied agricultural land		Operation phase	-
S3.382 – S3.384	- Vegetation control in the constructed channels should be implemented to prevent the excessive growth of vegetation that would impede the drainage capacity of the channel. To minimise sedimentation, de-silting should be limited to the dry season (November to March). The natural stream bed substrate should not be removed from the channel during de-silting works. - For maintenance de-silting, temporary barrier walls should be used to provide a dewatered zone for de-silting works. Waste material produced during de-silting should be disposed of in a timely and appropriate manner.	To minimise impacts to constructed channels			MTR		All constructed channels in SSS		Operation phase	-
S3.385 & S3.387	- Large areas of reflective material (including glass) should not be used on the outer surfaces of the buildings. - All the major lighting sources should point inward and downward to minimise glare disturbance to wildlife. The intensity of light should also be controlled to the lowest possible level.	To minimise impacts to wildlife			MTR / DDC		All ventilation buildings in northern section and SSS		Detailed design and Operation phases	-
S3.411	- Implementation of ecological habitat management plan. - Ecological monitoring of the mitigation stream habitats according to ecological habitat management plan.	To monitor the wildlife use of the mitigation stream habitat			MTR		Mitigation stream habitat in SSS / ERS		Operation phase	-
Marine Ecological Impact (Construction Phase)
Appendix3.6 (S1.102)	- The use of high-speed vessels should also be avoided during the construction and operation of the proposed barging point.	To minimise the indirect impact to Chinese White Dolphin habitat			Contractor		LKB		Construction phase	-
Appendix3.6 (S1.103)	- No dumping of rubbish, oil or chemicals would be allowed.	To minimise the pollution to marine habitats			Contractor		LKB		Construction phase	-
Appendix3.6 (S1.104)	- Deployment of silt curtains around the closed grab dredgers to minimize the suspended sediment impact due to dredging activities in dredging region. - To minimize impact on the gorgonians along the coastline near the dredging area, double silt curtains should be deployed around the works area.	To minimise the impact to subtidal habitats			Contractor		LKB		Construction phase	-
Appendix3.6 (S1.106)	- The number of work vessels and small crafts should be minimized. Dredging should be carried out continuously without unnecessary break to prevent unpredictable or sudden noise outbursts at random intervals.	To minimise disturbance impact on Chinese White Dolphin			Contractor		LKB		Construction phase	-
Appendix3.7 (S1.83)	- Mitigation measures to control water quality impacts proposed under Section 11 should be adopted.	To minimise indirect impact to intertidal and subtidal flora and fauna			Contractor		WKT		Construction phase	-
Appendix3.6 (S1.105)	- Engines of vessels moored at the barging point would be turned off to minimize unnecessary underwater noise.	To minimise disturbance impact on Chinese White Dolphin			Contractor		LKB		Construction phase	-
Pond Fisheries Impact (Pre-construction Phase)
S4.51	- A monitoring and emergency response plan, in relation to potential impacts due to groundwater drawdown, will form part of the EM&A requirement in the EM&A Manual subject to approval by EPD and AFCD before commencement of the tunnelling and MPV construction in Mai Po area. The plan should include, but not be limited to, details of monitoring locations and programme, a mechanism to monitor the implication from the works to the groundwater system and fish ponds including their water levels, action levels and emergency responses such as immediate action, remedial action and investigation.	To detect and minimize potential hydrological impacts			Contractor		MPV		Pre-construction phase (Before commencement of the tunnelling and MPV construction)	Groundwater monitoring and emergency plan
S4.52	- A monitoring and emergency response plan, in relation to impacts due to noise/vibration, should form part of the EM&A requirement in the EM&A Manual subject to approval by EPD and AFCD before commencement of the tunnelling and MPV construction in Mai Po area.	To detect and monitor noise / vibration impacts			Contractor		MPV		Pre-construction phase (Before commencement of bore tunnelling and MPV construction)	Monitoring and emergency response plan on noise and vibration
S4.45	- Consultation should be conducted with fish operators in Mai Po before tunnelling starts. The method of construction, potential impact and mitigation measures should be fully explained to the operators at the meeting.	Engagement of stakeholders			Contractor / MTR		MPV		Pre-construction phase (Before commencement of tunneling works)	-
Pond Fisheries Impact (Construction Phase)
S4.51	- Implementation of the groundwater monitoring and emergency response plan.	To detect and minimize hydrogeological impacts			Contractor		MPV		Construction phase (During bore tunneling works and construction of Mai Po Ventilation Shaft)	-
S4.52	- Implementation of the monitoring and emergency response plan on noise and vibration.	To detect and minimize noise / vibration impacts			Contractor		MPV		Construction phase (During bore tunneling works and construction of Mai Po Ventilation Shaft)	-
S4.40	- Good site practices and proper dust and water quality control measures should be implemented. These include site confinement with fencing/hoarding erection at the perimeter of the works area, stockpile covering by impervious sheeting to avoid spread of construction dust, and proper handling, storage and disposal of chemical waste to avoid contamination of the existing water system, etc.	To minimize the indirect off-site impacts on the adjacent fishponds			Contractor		MPV		Construction phase	-
S4.44	Implementation of good site practices during the construction phase: § Only well-maintained plant should be operated on-site and plant should be serviced regularly during the construction program; § Silencers or mufflers on construction equipment should be utilized and properly maintained during the construction program; § Machines and plant (such as trucks) that may be in intermittent use should be shut down between work periods or should be throttled down to a minimum; § Plant known to emit noise strongly in one direction should, wherever possible, be orientated so that the noise is directed away from the nearby fishponds; § Material stockpiles and other structures should be effectively utilized, wherever practicable, in screening noise from on-site construction activities; § Use of movable barrier for certain powered mechanical equipment (PME); and § Use of noise enclosure or acoustic shed to cover certain stationary PME.	To minimize disturbance to fishponds by construction noise			Contractor		MPV		Construction phase	-
Pond Fisheries Impact (Post-construction Phase)
S4.51	- Implementation of the groundwater monitoring and emergency response plan.	To detect and minimize hydrogeological impacts			Contractor		MPV		Post-Construction phase	-
Marine Fisheries Impact (Construction Phase)
Appendix4.2 (S1.38)	- Mitigation measures to control water quality impacts proposed under Section 11 should be adopted.	To minimize the indirect impact on fisheries resources			Contractor		LKB and WKT		Construction phase	-
Airborne Noise Impact (Construction Phase)
S5.120	The following good site practices should be implemented: § Only well-maintained plant should be operated on-site and plants should be serviced regularly during the construction program; § Silencers or mufflers on construction equipment should be utilized and should be properly maintained during the construction program; § Mobile plant, if any, should be sited as far from noise sensitive receivers (NSRs) as possible; § Machines and plant (such as trucks) that may be in intermittent use should be shut down between work periods or should be throttled down to a minimum; § Plant known to emit noise strongly in one direction should, wherever possible, be orientated so that the noise is directed away from the nearby NSRs; and § Material stockpiles and other structures should be effectively utilized, wherever practicable, in screening noise from on-site construction activities.	To reduce construction noise impact			MTR / Contractor		All works areas		Construction phase	Noise Control Ordinance (NCO)
S5.121-S5.122 and Table 5.22	The following quiet PME should be used: § Pneumatic breaker (SWL=110dB(A)) § Tracked Excavator Fitted with Hydraulic Breaker (SWL=110dB(A)) § Truck Mixer (SWL=100dB(A)) § Tracked Crane (SWL=101dB(A)) § Dump Truck (SWL=103dB(A)) § Tracked Excavator/Loader (SWL=105dB(A)) § Dozer (SWL=111dB(A)) § Road Roller (SWL=101dB(A))	To reduce construction noise impact			MTR / Contractor		Works Areas A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, Y, Z, AA, AC, AE, AF, AG and AH		Construction phase	NCO
S5.123 - S5.124	Movable noise barrier should be used for the following PME where practicable: § Mini backhoe § Breaker, mini-robot mounted § Vibratory poker § Handheld breaker § Excavator § Grab § Tracked Crane	To reduce construction noise impact			MTR / Contractor		Works Areas A, C and D		Construction phase	NCO
S5.125	Noise enclosure/acoustic shed should be used for the following PME where practicable: § Air compressor § Concrete pump § Grout pump § Shotcrete pump	To reduce construction noise impact			MTR / Contractor		Works Areas A, B, C, D, E, F, G, H, I, J, K, L, M, O, P, Q, S, T, U, V and Z		Construction phase	NCO
S5.125	Acoustic enclosure should be used for enclosing drilling jumbo as fully as possible.	To reduce construction noise impact			MTR / Contractor		Works Areas B, C, F, H and J		Construction phase	NCO
S5.127	Silencer should be used for the ventilation fans.	To reduce construction noise impact			MTR / Contractor		Works Areas A, B, C, D, E, F, H, J, L and P		Construction phase	NCO
S5.128	Noise insulating fabric should be applied where practicable to cover the following PME: § Drill rig § Grab and chisel § Oscillator & casings § Piling rig § Piling, large diameter bored, reverse circulation drill § Piling, vibrating hammer	To reduce construction noise impact			MTR / Contractor		Works Areas A, B, C, D, E, G, L, M, N, O, Q, R, S, V		Construction phase	NCO
S5.130	Use of “Noise Insulating Cover” to cover the mucking out points.	To reduce construction noise impact			MTR / Contractor		Works Area L		Construction phase	NCO
S5.131	Use of temporary hoardings along the works boundary.	To reduce construction noise impact			MTR / Contractor		Works Areas B and D		Construction phase	NCO
S5.134-S5.136	Use of saw instead of mini-robot mounted breaker and oscillator pile for removal of superstructures	To reduce construction noise impact			MTR / Contractor		Works Areas N, O and S		Construction phase	NCO
S5.137	Scheduling of construction works outside school examination periods	To reduce construction noise impact			MTR / Contractor		Works Areas G, J, K, L, N, O, P, Q, Y, U, V and AH		Construction phase	NCO
S5.193	Airborne construction noise monitoring should be conducted in accordance with EM&A Manual to monitor the airborne noise impact.	To monitor airborne noise impact			MTR / Contractor		Proposed monitoring locations		Construction phase	NCO
Airborne Noise Impact (Operation Phase)
S5.113 and Table 5.21	The maximum permissible sound power levels (Max SWLs) for the fixed plant should be complied with during the selection of equipment and mitigation measures.	To comply with the noise criteria of Noise Control Ordinance			MTR / DDC		MPV, NTV, PHV, SMV, KCV, NCV, MKV, WKV and WKT		Detailed design and operation phases	NCO
S5.140	Noise barrier should be erected as follow: § A 8m high barrier along the access road on eastern side of SSS; and § 5.5m barrier along western boundary facing Leung Uk Tsuen squats.	To comply with the noise criteria of Noise Control Ordinance			MTR / DDC		SSS		Detailed design and operation phases	NCO
S5.140	Installation of 13m absorptive panels on both sides and full length of ERS.	To comply with the noise criteria of Noise Control Ordinance			MTR / DDC		ERS		Detailed design and operation phases	NCO
S5.196	Noise commissioning test is recommended to monitor the ground-borne noise level complying with NCO.	To monitor ground-borne noise impact			MTR / Contractor		Proposed monitoring locations		Operation phase	NCO
Ground-borne Noise Impact (Construction Phase)
S6.82	Ground-borne construction noise monitoring should be conducted in accordance with EM&A Manual to monitor the ground-borne noise impact.	To monitor ground-borne noise impact			MTR / Contractor		Proposed monitoring locations		Construction phase	NCO
S6.85	Construction groundborne noise measurement results should be used to further update the ground-borne noise prediction where appropriate.	To update the predicted ground-borne noise levels.			MTR / Contractor		TBM tunneling section		Construction phase	-
S6.83	Conduct tests of the FDL of the train to update the ground-borne noise prediction and the recommended mitigation measures as necessary.	To confirm the predicted ground-borne noise levels			MTR		-		Prior to the final design of the trackform and the extent of each type of trackform, and after the proposed train in operation outside Hong Kong	-
S6.84	Conduct vibration borehole testing at two carefully selected locations along the proposed tunnel alignment to determine the LSR values under certain geological conditions. The ground-borne noise predictions and the recommendation on mitigation measures should be updated as necessary.	To confirm the predicted ground-borne noise levels			MTR		Proposed two locations		Prior to the commencement of construction works	-
Ground-borne Noise Impact (Operation Phase)
S6.87	Noise commissioning test is recommended to monitor the ground-borne noise level complying with NCO.	To monitor ground-borne noise impact			MTR / Contractor		Proposed monitoring locations		Operation phase	NCO
Landscape and Visual Impact (Construction Phase)
Table 7.10	All existing trees should be carefully protected during construction as far as possible in accordance with ETWB TCW No. 29/2004 and 3/2006.	To minimize landscape and visual impacts during construction phase			Contractor		Works areas		Detailed design and construction phases	EIAO-TM Annex 10, 18 ETWB TCW 2/2004 ETWB TCW 3/2006
	Trees should be retained on site as far as possible. Should removal of trees be unavoidable due to construction impacts, trees will be transplanted or felled depending on stated criteria in the Tree Removal Applications to be submitted separately in accordance with ETWBC 2/2004 and 3/2006. Wood resulting from tree removal should be recycled as mulch or soil conditioner which could be used within the Project or in other projects as much as possible.				Contractor
	Control of night-time lighting glare.				Contractor
	Erection of decorative screen hoarding to screen off undesirable views of the construction site having consideration of safety and security.				Contractor
	Reuse of existing topsoil where possible for new planting areas within the project.				Contractor
Landscape and Visual Impact (Operation Phase)
Table 7.11	Compensatory tree planting should be incorporated into the proposed Project where space is available		To minimize landscape and visual impacts during operation phase	MTR			Works areas		Detailed design and operation phases	EIAO-TM Annex 10, 18 ETWB TCW 2/2004 ETWB TCW 3/2006
	Landscape and visual enhancement treatments			MTR
	Compensatory habitat proposal for natural stream course at SSS			MTR
	Reinstatement of works area in Nam Cheong Park to integrate with the existing park.			MTR
	Tall buffer tree planting should be incorporated provide screening to ventilation buildings, engineering structures and associated facilities.			MTR
	Roof greening to mitigate the visual impact of VB on the VSRs at high level.			MTR
	Vertical greening would be incorporated where practicable to visually soften the façade of ventilation building and/or noise barrier			MTR
	Incorporation of aesthetically pleasing streetscape design which would be responsive to adjacent landscape context.			MTR
	Roadside amenity trees to enhance the landscape and visual quality of the existing and proposed road.			MTR
	Reinstatement of disturbed areas to match adjacent area or to condition to suit future landuse.			MTR
	Aesthetically pleasing design as regard to the form, material and finishes shall be incorporated to all buildings, engineering structures and associated infrastructure facilities so as to blend in the buildings and structures to the adjacent landscape and visual context.			MTR
	Control of Operation Night-time Glare			MTR
	Incorporation of aesthetically pleasing design to boundary fence so as to blend in the structure to the adjacent landscape and visual context.			MTR
	The scale, location, disposition and design of the ventilation shafts at WKCD would be further reviewed and submitted to relevant parties (e.g. WKCDA and PlanD) for agreement.			MTR
Cultural Heritage Impact
S8.100 – S8.103	l Conduct further investigation (a minimum of 18 trial pits, 1m x 1.5m) to confirm any archaeological remains exist in the inaccessible areas (NOL/ERL/300/C/XRL/ENS/M55/303- 304 & 306-307). If archaeological data collected from these 18 test pits is insufficient to ascertain the archaeological potential of the inaccessible areas, additional test pits should be conducted l Conduct rescue excavation to preserve archaeological remains by detailed records if found (NOL/ERL/300/C/XRL/ENS/M55/307)		To confirm any archaeological remains exist in the inaccessible areas and to preserve archaeological remains if any	MTR			Proposed rescue excavation area in SSS and other archaeological deposit areas identified in the further archaeological investigation		Prior to construction phase	Antiquities and Monuments Ordinance
S8.103	Conduct archaeological watching brief during construction works at TUW for identification of any historical finds during construction phase		To identify any historical finds in the works area	MTR			TPP		Construction phase	Antiquities and Monuments Ordinance
S8.104	Conduct regular site audit during the construction of barging point to confirm that no excavation works is conducted at Lung Kwu Sheung Tan archaeological deposit area.		To avoid direct impact	MTR			LKST barging point and associated access road		Construction phase	Antiquities and Monuments Ordinance
S8.105	Restriction of works boundary of TPP to be extended to relics discovered area outside TPP.		To avoid direct impact	MTR			TPP		Construction phase	Antiquities and Monuments Ordinance
S8.107, S8.128	Avoid works areas at the sites of the identified built heritage structures as far as practicable. Identified earth shines within works boundary of SSS and TPP will be relocated by local villagers prior to commencement of construction works at SSS and TPP.		To avoid direct impact	MTR			Earth shines (NHL-04,TKP-02 and LET-07)		Prior to construction phase	EIAO-TM
S8.109, S8.125	Vibration monitoring at Lai Chi Kok Hospital: § Prior to commencement of construction works, the location and installation of the monitoring stations should be discussed and agreed with AMO, Hong Kong Institution for Promotion of Chinese Culture (the “NPO”, selected organization for the Revitalisation Scheme), the Commissioner for Heritage’s Office and relevant parties before installation. § Compliance monitoring of vibration limits should be conducted and reported as a requirement of EM&A programme.		To monitor vibration impacts on the identified vibration sensitive historical buildings	MTR			Ex-Lai Chi Kok Hospital		Before construction phase; Construction phase	EIAO-TM
S8.110, S8.126	§ A further condition survey and appropriate consolidation works (e.g. installation of temporary propping or reinforced timber beam to maintain the stability of structure etc.), if required, will be carried out on Blocks P Q, W and the inaccessible area of LCKH prior to construction. It should be discussed and agreed in advance with AMO, NPO, the Commissioner for Heritage’s Office and relevant parties,		To minimize vibration impacts on the identified vibration sensitive historical buildings	MTR			Ex-Lai Chi Kok Hospital		Detailed design	EIAO-TM
S8.112, S8.127	§ If consent is given by the property owner, a condition survey will be carried out at Cheung Yuen prior to the commencement of works in SSS. The survey should be discussed and agreed in advance with AMO and property owner prior to commencement of survey.		To minimize vibration impacts on the identified vibration sensitive historical buildings	MTR			Cheung Yuen		Prior to construction phase	EIAO-TM
S8.112, S8.127	§ If consent is given by the property owner, vibration monitoring at LET-06 (Cheung Yuen) will be conducted when excavation works are being conducted within 50m radius from the house. The monitoring location should be discussed and agreed with AMO and property owner before installation.		To monitor vibration impacts on the identified vibration sensitive historical buildings	MTR			Cheung Yuen		Construction phase	EIAO-TM
S8.113, S8.124	§ Control of vibration levels from the proposed blasting and excavation activities within a peak particle velocity (ppv) limit of 25mm/s to prevent potential vibration impact to all identified built heritage resources.		To minimize vibration impacts on the identified vibration sensitive historical buildings	MTR			All works area where blasting and excavation activities are involved		Construction phase	EIAO-TM
S8.114 - S8.115	§ Use of sensibly designed screen hoardings for reducing the potential visual impact.		To minimize visual impacts	MTR			All identified heritage buildings in all works areas		Detailed design and construction phase	EIAO-TM
Land Contamination Impact
S9.28 – S9.33	Remediation of Contaminated Soil § After excavation, confirmation sampling and testing shall be conducted from the sidewalls and at base of the excavations to ensure complete excavation of contaminated soils. § Bioremediation (biopiling) / ex-situ chemical oxidation are proposed to remediate the contaminated soil recorded in Sites H and Q. Remediation Report(s) (RR) for contaminated works area(s) should be prepared by the Land Contamination Specialist to detail the remediation process and demonstrate that contaminated soils are all removed, properly handled and disposal of. The remediated soil should be reused on site to minimise the waste disposal.		To remediate contaminated soil	Contractor			Sites H and Q		Site remediation	“Guidance Notes for Investigation and Remediation of Contaminated Sites of Petrol Filling Stations, Boatyards and Car Repair /Dismantling Workshop“
S9.35(i)	For construction works of the alignment close to Ngau Tam Mei Landfill § As a general precautionary measure, visual inspection of excavated materials should be conducted to screen soil for signs of contamination (e.g. discoloration, stains and odour). The inspection process should also be assisted by a photo ionization detector (PID) for volatile organics. If suspected materials are encountered during tunnel boring, sampling and testing for the parameters recommended in Table 6.1 of CAP should be undertaken to verify any contamination. The suspected soil bored out during excavation and tunnel boring should be temporary stockpiled and if laboratory analysis indicated exceedance of relevant RBRG levels, remediation works, should be undertaken depending on the quantity and quality of contaminated soil identified.		Acting as a general precautionary measure to screen soil for signs of contamination during tunnel boring works under/close to Ngau Tam Mei Landfill	MTR/Contractor			Within the Landfill Boundary where signs of contamination is identified		During Tunnel Boring within Ngau Tam Mei Landfill Boundary Section	“Guidance Note for Contaminated Land Assessment and Remediation” “Guidance Manual for Use of Risk-based Remediation Goals for Contaminated Land Management
S9.35(ii)	For construction works at CLP transformer station at Lai Cheung Road and Petrol Filling Station at 82 Tai Kok Tsui Road § As a general precautionary measure, visual inspection of excavated materials should be conducted to screen soil for signs of contamination (e.g. discoloration, stains and odour). The inspection process should also be assisted by a photo ionization detector (PID) for volatile organics. If suspected materials are encountered during tunnel boring, further sampling and testing should also be undertaken to verify any contamination. The soil bored out during excavation and tunnel boring should be temporary stockpiled and if laboratory analysis indicated exceedance of relevant RBRG levels, remediation works, should be undertaken depending on the quantity and quality of contaminated soil identified.		Acting as a general precautionary measure to screen soil for signs of contamination during tunnel boring/ excavation at CLP transformer station at Lai Cheung Road and Petrol Filling Station at 82 Tai Kok Tsui Road	MTR/Contractor			Area close to CLP transformer station at Lai Cheung Road and Petrol Filling Station at 82 Tai Kok Tsui Road where signs of contamination is identified		During Tunnel Boring/ excavation works near CLP transformer station at Lai Cheung Road and Petrol Filling Station at 82 Tai Kok Tsui Road	“Guidance Note for Contaminated Land Assessment and Remediation” “Guidance Manual for Use of Risk-based Remediation Goals for Contaminated Land Management
S9.35 (iii)	For sites with contamination identified (Site H and Site Q) the following environmental mitigation measures should be undertaken during the course of the site remediation: § Excavation profiles must be properly designed and executed with attention to the relevant requirements for environment, health and safety; § Excavation should be carried out during dry season as far as possible to minimise contaminated runoff from contaminated soils; § Supply of suitable clean backfill material is needed after excavation; § The chemical oxidant proposed (RegenOxTM) as a contaminant mass reduction technology. Comprises a solid oxidant complex (sodium percarbonate/catalytic formulation) and an activator complex (a composition of ferrous salt embedded in a micro-scale catalyst gel). These chemical will be securely stored, separately and way from sources of ignition or oxidizable items. Handling will & will be undertaken by persons specifically trained and wearing appropriate PPE. § Vehicles containing any excavated materials should be suitably covered to limit potential dust emissions or contaminated wastewater run-off, and truck bodies and tailgates should be sealed to prevent any discharge during transport or during wet conditions; § Speed control for the trucks carrying contaminated materials should be enforced; and § Vehicle wheel and body washing facilities at the site’s exist points should be established and used.		To minimise the potentially adverse environmental impacts arising from the handling of potentially contaminated materials.	Contractor			Sites H and Q /during transportation		Site remediation and prior to construction phase	Waste Disposal Ordinance Waste Disposal (Chemical Waste) (General) Regulation Water Pollution Control Ordinance Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes Occupation Safety and Health Ordinance (OSHO) (Chapter 509) and its subsidiary Regulations
S9.35(iv)	In order to minimise the potentially adverse effects on health and safety of construction workers during the course of site remediation, the Occupation Safety and Health Ordinance (OSHO) (Chapter 509) and its subsidiary Regulations should be followed by all site personnel working on the site at all times. In addition, the following basic health and safety measures should be implemented as far as possible: § Set up a list of safety measures for site workers; § Provide written information and training on safety for site workers; § Keep a log-book and plan showing the contaminated zones and clean zones; § Maintain a hygienic working environment; § Avoid dust generation; § Provide face and respiratory protection gear to site workers; § Provide personal protective clothing (e.g. chemical resistant jackboot, liquid tight gloves) to site workers; and § Provide first aid training and materials to site workers.		To minimise the potentially adverse effects on health and safety of construction workers during the course of site remediation	Contractor			Sites H and Q		Site remediation and prior to construction phase
9.35(v)	For Areas Feasible or Infeasible for On-Site Inspection and Site Investigation (i) Phase 2 supplementary SI works § Upon site access is granted, site inspection should be carried out to ascertain any contaminative sources and hotspot of contamination within the site. § The sampling and testing schedule as recommended in the approved CAP should then be updated based on respective site situation and the number of sampling locations may be significantly reduced. A revised CAP should then be submitted to EPD for endorsement. § For supplementary CARs and RAP(s), upon completion of SI and laboratory testing, supplementary CARs should be submitted to EPD for endorsement. If contamination is identified, RAP(s) should also be submitted to EPD for endorsement. § The revised CAPs and supplementary CARs and /or RAP(s) should be submitted in separate packages for different works area depending on the schedule of land resumption and the commencement of construction works for each works area. § RR(s) should be submitted to demonstrate completion of remediation works before construction work starts at the site. (ii) WSW § According to WSW EP Condition 3.14, the Project Proponent of the WSW development shall prepare and submit CAR/RAP to EPD within 2 months after commencement of construction of the WSW development and the recommendations in the endorsed CAR/RAP shall be fully implemented before the commencement of any construction works that may disturb the ground of the relevant sites. § This project will ensure that the completion of remediation works before the construction works at contaminated areas start.		(i) To identify areas with land contamination concern, report laboratory results and propose remediation measures if necessary. (ii) To ensure remediation works have been undertaken to before the commencement of any construction works of the Project that may disturb the ground of the south-western portion of the MPV.	MTR/ Contractor			Areas Infeasible for On-Site Inspection and Site Investigation and WSW		After land resumption and prior to the construction works commencement at respective sites	“Guidance Note for Contaminated Land Assessment and Remediation” “Guidance Manual for Use of Risk-based Remediation Goals for Contaminated Land Management The Proposed Comprehensive Development at Wo Shang Wai (WSW), Yuen Long Environmental Impact Assessment Environmental Permit (EP No.: EP-311/2008)
Waste Management Implications (Construction Phase)
S10.107	Recommendations for good site practices: § Prepare a Waste Management Plan approved by the Engineer/Supervising Officer of the Project based on current practices on construction sites; § Training of site personnel in, site cleanliness, proper waste management and chemical handling procedures; § Provision of sufficient waste disposal points and regular collection of waste; § Appropriate measures to minimize 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 § Separation of chemical wastes for special handling and appropriate treatment.		To implement good site practice for handling, sorting reuse and recycling of C&D materials	Contractor			All works areas		Construction phase	Waste Disposal Ordinance (Cap. 354) Land (Miscellaneous Provisions) Ordinance (Cap. 28) ETWB TC(W) No.31/2004
S10.108	Recommendations for waste reduction measures: § Sorting of demolition debris and excavated materials from demolition works to recover reusable/ recyclable portions (i.e. soil, broken concrete, metal etc.); § 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; § Encourage collection of aluminium cans by providing separate labelled bins to enable this waste to be segregated from other general refuse generated by the workforce; § Proper storage and site practices to minimize the potential for damage or contamination of construction materials; § Plan and stock construction materials carefully to minimize amount of waste generated and avoid unnecessary generation of waste; and § Training should be provided to workers about the concepts of site cleanliness and appropriate waste management procedures, including waste reduction, reuse and recycle.		To implement on-site sorting facilitating reuse and recycling of materials as well as proper disposal of waste	Contractor			All works areas		Construction phase	Waste Disposal Ordinance (Cap. 354) Land (Miscellaneous Provisions) Ordinance (Cap. 28)
S10.109	The Contractor should prepare and implement a Waste Management Plan (WMP) as a part of the Environmental Management Plan (EMP) in accordance with ETWB TCW No. 19/2005 which describes the arrangements for avoidance, reuse, recovery, recycling, storage, collection, treatment and disposal of different categories of waste to be generated from the construction activities.		To keep trace of the generation, minimization, reuse and disposal of C&D materials in the Project	Contractor			All works areas		Construction phase	ETWB TCW No. 19/2005
S10.112	Storage of materials on site may induce adverse environmental impacts if not properly managed, recommendations to minimise the impacts include: § Waste, such as soil, should be handled and stored well to ensure secure containment, thus minimising the potential of pollution; § Maintain and clean storage areas routinely; § Stockpiling area should be provided with covers and water spraying system to prevent materials from wind-blown or being washed away; and § Different locations should be designated to stockpile each material to enhance reuse.		To minimise potential impacts of waste storage and enhance reusable volume	Contractor			All work areas		Construction phase	-
S10.113	Waste hauliers must hold a valid permit for the collection of waste as stipulated in their permits. Removal of waste should be done in a timely manner.		To collect and remove waste generated	Contractor			All work areas		Construction phase	-
S10.114-115	Implementation of trip-ticket system to monitor waste disposal and control fly-tipping. Set up warning signs at vehicular access points reminding drivers of designated disposal sites and penalties of an offence. Installation of close-circuited television at access points of vehicles to monitor and prevent illegal dumping.		To monitor disposal of waste and control fly-tipping	Contractor			All work areas		Construction phase	ETWB TC(W) No.31/2004
S10.117	Recommendations for excavated materials within works areas: § Several ramps should be used for transportation of different materials as far as practicable (at SSS/ERS site, both soft and hard materials could be generated with the provision of three ramps, each of them can be used for single material for primary separation). Each ramp should be used for transportation of a single material as far as practicable. § If a conveyor system is used, materials should be transported separately on the belts, it is therefore proposed that more than one conveyor belt should be installed if possible. If more than one material is needed to be transported on a single belt, each material should be stockpiled separately once they are removed from the excavation face to the ground and the belt should operate at different times with different materials as far as practicable. § Enclosure should also be provided for the conveyor belt, as far as practicable to minimize the of dust generation. § Different locations should be designated for each material during stockpiling. Stockpiling may be needed when the conveyor system is under constraint or when the spoil could not be transported away from works area immediately after excavation. Cover should be provided to dusty stockpiles to avoid the materials from being wind-blown or flushed away by water. It is expected that water spraying system should also be equipped to moisten the materials.		To mitigate and minimize the potential impacts from the storage and transportation of materials within works areas	Contractor			All works areas		Construction Phase	-
S10.119	Wet spoil generated from TBM construction, construction of bored piles and D-wall should be properly handled before disposal to Taishan and Fill Banks respectively for reuse in other projects. Dry materials should be mixed with the wet spoil or by the use of lime to reduce water content where applicable.		To minimise impacts to disposal outlet from reception of wet spoil	Contractor			All works areas		Construction phase	-
S10.120	Wheelwash facilities should be provided before the trucks leave the works area.		To minimise dust impact	Contractor			All works areas		Construction phase	-
S10.121	The Contractor should ensure the on-site separation from inert portion. The waste delivered to landfill should not contain any free water or have water content more than 70% by weight. The haulier must ensure suitable amount of waste would be loaded on different types of trucks used. A one-week notice should be given to EPD with information on Contractor’s name and respective contact details.		To meet the requirement for disposal at landfill	Contractor and Waste haulier			All works areas		Construction phase	-
S10.125	This will generally follow the PNAP 25 in handling of dredged/excavated sediment. The dredged / excavated sediments would be loaded onto barges and transported to existing designated disposal sites allocated by the MFC according to their levels of contamination, as presented below: § For Type 1 sediment, the sediments will be excavated/dredged and transport to designated CEDD Facilities, typically at South Cheung Chau and/or Ninepin. § For Type 2 sediment, the sediments will be dredged/excavated and transport to designated CEDD Facilities, typically at East Sha Chau for confined marine disposal. § For Type 3 sediment, it would require special treatment/disposal before confined marine disposal at CEDD Facilities, typically at East Sha Chau. In order to have the least potential of loss of contaminants to the marine environment, containment of the sediments in geosynthetic containers is proposed when transporting the sediment. Field trials are recommended to be undertaken during the detailed design stage to establish the optimum handling method for this approach. The details of the disposal methodology could therefore be confirmed during the detailed design stage, prior to construction.		To dispose sediment in an authorized and least impacted way	Contractor			All works areas with sediments concern		Detailed Design and Construction phase	PNAP 252
S10.126	The basic requirements and procedures for dredged / excavated sediment disposal specified under PNAP 252 shall be followed.		To dispose sediment in an authorized and least impacted way	Contractor			All works areas with sediments concern		Construction phase	PNAP 252
S10.127	The Project Proponent will agree in advance with MFC of CEDD on the site allocation by submitting a Construction & Demolition Material Management Plan. The final disposal sites and arrangement will be determined by the MFC and a dumping permit will be obtained from the DEP prior to the commencement of the dredging and excavation works.		To determine the best handling and disposal option of the sediments.	MTR/ Contractor			All works areas with sediments concern		Detailed Design and Construction phase	PNAP 252; Dumping at Sea Ordinance
S10.128	The contractor for the dredging/ excavation works shall apply for the site allocations of marine sediment disposal based on the prior agreement with MFC/CEDD. The contractor shall apply for all necessary permits from relevant authorities for the disposal of dredged / excavated sediment.		To dispose the sediments in an authorized way.	Contractor			All works areas with sediments concern		Construction phase	PNAP 252; Dumping at Sea Ordinance
S10.129	If temporary stockpiling of sediments is necessary, the sediment should be covered by tarpaulin and earth bunds or sand bag barriers should be provided on site to prevent leachate from entering the drains and surrounding water bodies. The stockpiling areas should be completely paved or covered by lining avoiding contaminating the soil or groundwater underneath.		To prevent the cross contamination of surrounding soils and water bodies	Contractor			All works areas with sediments concern		Construction phase	Waste Disposal Ordinance, Water Pollution Control Ordinance
S10.130	The dredged / excavated sediment should be transported by covering trucks to designated barging points. The barge transporting the sediments to the designated disposal site should be equipped with tight fitting seals to prevent leakage. Besides, the barge should not be filled to a level that would cause overflow of materials or laden water during loading or transportation.		To prevent overflowing of sediments to the surrounding area and water bodies	Contractor			All works areas with sediments concern / trucks / barges		Construction phase	Waste Disposal Ordinance Water Pollution Control Ordinance
S10.131	Loading of the dredged / excavated sediment to the barge should be controlled to avoid splashing and overflowing of the sediment slurry to the surrounding water.		To prevent overflowing of sediments to the surrounding area and water bodies	Contractor			Barging points		Construction phase	Waste Disposal Ordinance, Water Pollution Control Ordinance
S10.132	In order to minimise the potential odour emissions during the dredging / excavation operation and transportation of the sediment, the dredged / excavated sediment placed on barges should be properly covered as far as practicable. Requirement of the Air Pollution Ordinance (Construction Dust) Regulation, where relevant, should be adhered to during the construction phase of the Project.		To minimise dust and odor impacts to surrounding environment	Contractor			All works areas with sediments concern / Barging points		Construction phase	Air Pollution Ordinance (Construction Dust) Regulation
S10.134	Workers should wear protective gloves when carrying out the dredging / excavation works. Adequate washing and cleaning facilities should be provided on site.		To minimise the exposure to the contaminated sediments	Contractor			All works areas with sediments concern		Construction phase	Occupational Safety & Health Ordinance
S10.135	For allocation of sediment disposal site and application of marine dumping permit, another proposal for sampling and chemical testing of the sediment will be prepared and submitted to the EPD for approval following the procedures in PNAP 252. The approved detailed sampling and chemical testing will be carried out prior to the commencement of the dredging/excavation activities to confirm the sediment disposal method. The contamination levels of the marine sediment to be dredged / excavated have to be analysed and recorded. After carrying out the sampling and testing, a Sediment Quality Report (SQR) will be prepared for EPD approval as required under the Dumping at Sea Ordinance to agree and confirm the quantities and extent of the contamination of the sediments prior to the dredging/ construction contract being tendered. The SQR will include the sampling details, the chemical testing results, quality control records, proposed classification and delineation of sediment according to the requirements of the Appendix A of PNAP 252.		To analyse the sediments quality and determine the best disposal option	Contractor			All works areas with sediments concern		Construction phase	PNAP 252; Dumping at Sea Ordinance
S10.136	If chemical wastes are produced at the construction site, the Contractor would be required to register with the EPD as a chemical waste producer and to follow the guidelines stated in the Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes. Containers used for storage of chemical waste should : § Be compatible with the chemical wastes being stored, maintained in good condition and securely sealed; § Have a capacity of less than 450 litres 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 Waste Disposal (Chemical Waste) (General) Regulation.		To properly store the chemical waste within works areas	Contractor			All works areas		Construction phase	Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes
S10.137	The chemical storage areas should: § Be clearly labelled to indicate corresponding chemical characteristics of the chemical waste and used for storage of chemical waste only; § Be enclosed on at least 3 sides; § Have an impermeable floor and bunding, of capacity to accommodate 110% of the volume of the largest container or 20% by volume of the chemical waste stored in that area, whichever is the greatest; § Have adequate ventilation; § Be covered to prevent rainfall from entering; and § Be properly arranged so that incompatible materials are adequately separated.		To prepare appropriate storage areas for chemical waste at works areas	Contractor			All works areas		Construction phase	Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes
S10.138	Lubricants, waste oils and other chemical wastes would be generated during the maintenance of vehicles and mechanical equipments. Used lubricants should be collected and stored in individual containers which are fully labelled in English and Chinese and stored in a designated secure place.		To clearly label the chemical waste at works areas	Contractor			All works areas		Construction phase	Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes
S10.139	A trip-ticket system should be operated in accordance with the Waste Disposal (Chemical Waste) (General) Regulation to monitor all movements of chemical waste. The Contractor should employ a licensed collector to transport and dispose of the chemical wastes, to either the approved CWTC at Tsing Yi, or another licensed facility, in accordance with the Waste Disposal (Chemical Waste) (General) Regulation.		To monitor the generation, reuse and disposal of chemical waste	Contractor			All works areas		Construction phase	Waste Disposal (Chemical Waste) (General) Regulation
S10.140	General refuse should be stored in enclosed bins or compaction units separate from C&D materials and chemical waste. A reputable waste collector should be employed by the contractor to remove general refuse from the site, separately from C&D materials and chemical wastes.		To properly store and separate from other C&D materials for subsequent collection and disposal	Contractor			All works areas		Construction phase	-
S10.141	The recyclable component of general refuse, such as aluminium cans, paper and cleansed plastic containers should be separated from other waste. Provision and collection of recycling bins for different types of recyclable waste should be set up by the Contractor. The Contractor should also be responsible for arranging recycling companies to collect these materials.		To facilitate recycling of recyclable portions of refuse	Contractor			All works areas		Construction phase	-
S10.142	The Contractor should carry out a training programme for workers in avoiding, reducing, reusing and recycling of materials generation. Posters and leaflets advising on the use of the bins should also be provided in the sites as reminders.		To raise workers’ awareness on recycling issue	Contractor			All works areas		Construction phase	-
Waste Management Implications (Operation Phase)
S10.146-10.147	Chemical waste: § The requirements stipulated in the Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes should be followed in handling of chemical waste as in construction phase. § A trip-ticket system should be operated in accordance with the Waste Disposal (Chemical Waste) (General) Regulation to monitor all movements of chemical wastes which would be collected by a licensed collector to a licensed facility for final treatment and disposal. § The recommendations proposed for the mitigation of impacts from chemical waste in construction phase should also be followed (refer to S10.104- S10.106).		To avoid environmental impacts in handling, storage and disposal of chemical waste	MTR			Ventilation buildings, SSS and WKT		Operation phase	Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes Waste Disposal (Chemical Waste) (General) Regulation
S10.148-S10.149	General refuse: § Provide recycling bins at designated areas for proper recycling of papers, aluminium cans and plastics bottles. § Separation from other waste types and collected by licensed collectors at daily basis to minimize the potential impacts from odour and vermin.		To separate general refuse from other waste types and proper disposal of the refuse	MTR			Ventilation buildings, SSS and WKT		Operation phase
S10.150	Industrial waste: § Separation of reusable components like steel before collection by licensed collector		To recycle useful materials from industrial waste and proper disposal	MTR			Ventilation buildings, SSS and WKT		Operation phase
Water Quality Impact (Construction Phase)
S11.128 - S11.153	Construction site run-off and general construction activities: § The mitigation measures as outlined in the ProPECC PN 1/94 Construction Site Drainage should be adopted where applicable.	To control water quality impact from construction site runoff and general construction activities				MTR / Contractor		All works areas	Construction phase	EIAO-TM, WPCO
S11.154	Groundwater seepages from uncontaminated area: § In case seepage of uncontaminated groundwater occurs, groundwater should be pumped out from the works areas and discharged into the storm system via silt removal facilities. Uncontaminated groundwater from dewatering process should also be discharged into the storm system via silt traps.	To control water quality impact from groundwater from uncontaminated area				MTR / Contractor		All works areas	Construction phase	EIAO-TM, WPCO,
S11.155	As the proposed WKT is near the Victoria Harbour, high ground water level regime due to both tidal effects and rainwater infiltration is anticipated. A cofferdam wall should be built to limit groundwater inflow to the excavation works areas in the WKT site.	To control water quality impact from groundwater from uncontaminated area				MTR / Contractor		WKT	Construction phase	EIAO-TM, WPCO,
S11.156	To monitor the tide and groundwater relationship, it is recommended to install groundwater level loggers at the nearest tidal areas (i.e. near Mai Po).	To monitor the groundwater level				MTR / Contractor		Mai Po	Construction phase	EIAO-TM, WPCO,
S11.157 - S11.158	Site Runoff or Groundwater from contaminated areas: § No directly discharge of groundwater from contaminated areas should be adopted. § Prior to any excavation works within the potentially contaminated areas, the baseline groundwater quality in the areas should be reviewed based on the past relevant site investigation data and any additional groundwater quality measurements to be performed with reference to Guidance Note for Contaminated Land Assessment and Remediation and the review results should be submitted to EPD for examination. If the review results indicated that the groundwater to be generated from the excavation works would be contaminated, this contaminated groundwater should be either properly treated or properly recharged into the ground in compliance with the requirements of the TM-DSS. § If wastewater treatment is to be deployed for treating the contaminated groundwater, the wastewater treatment unit shall deploy suitable treatment processes (e.g. oil interceptor / activated carbon) to reduce the pollution level to an acceptable standard and remove any prohibited substances (such as TPH) to an undetectable range. § All treated effluent from the wastewater treatment plant shall meet the requirements as stated in TM-DSS and should be either discharged into the foul sewers or tankered away for proper disposal. § If deployment of wastewater treatment is not feasible for handling the contaminated groundwater, groundwater recharging wells should be installed as appropriate for recharging the contaminated groundwater back into the ground. The recharging wells should be selected at places where the groundwater quality will not be affected by the recharge operation as indicated in section 2.3 of the TM-DSS. The baseline groundwater quality should be determined prior to the selection of the recharge wells, and submit a working plan to EPD for agreement. Pollution levels of groundwater to be recharged shall not be higher than pollutant levels of ambient groundwater at the recharge well. Groundwater monitoring wells should be installed near the recharge points to monitor the effectiveness of the recharge wells and to ensure that no likelihood of increase of groundwater level and transfer of pollutants beyond the site boundary. Prior to recharge, free products should be removed as necessary by installing the petrol interceptor. The Contractor should apply for a discharge licence under the WPCO through the Regional Office of EPD for groundwater recharge operation or discharge of treated groundwater.	To control water quality impact from contaminated groundwater				MTR / Contractor		Excavation areas where contaminated ground-water is found	Construction phase	EIAO-TM, WPCO, TM-DSS
S11.128 - S11.136, S11.160	Barging points: Mitigation measures for control water quality impact from surface run-off should be applied. The following good site practices should also be adopted: § all vessels should 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 should be fitted with tight fitting seals to their bottom openings to prevent leakage of material § construction activities should not cause foam, oil, grease, scum, litter or other objectionable matter to be present on the water within the site § loading of barges and hoppers should be controlled to prevent splashing of material into the surrounding water. Barges or hoppers should not be filled to a level that will cause the overflow of materials or polluted water during loading or transportation	To control water quality impact from barging point				MTR / Contractor		All barging Points	Construction phase	EIAO-TM, WPCO
S11.161	Effluent discharge: There is a need to apply to EPD for a discharge licence for discharge of effluent from the construction site under the WPCO. The discharge quality should meet the requirements specified in the discharge licence. Minimum distances of 100 m should be maintained between the discharge points of construction site effluent and the existing seawater intakes. If monitoring of the treated effluent quality from the works areas is required during the construction phase of the Project, the monitoring should be carried out in accordance with the WPCO license which is under the ambit of regional office (RO) of EPD.	To control water quality impact from effluent discharge from construction site				MTR / Contractor		All works areas	Construction phase	EIAO-TM, WPCO
S11.162	Accidental spillage of chemicals: Contractor should register as a chemical waste producer if chemical wastes would be produced from the construction activities. The Waste Disposal Ordinance (Cap 354) and its subsidiary regulations in particular the Waste Disposal (Chemical Waste) (General) Regulation should be observed and complied with for control of chemical wastes.	To control water quality impact from accidental chemical spillage				MTR / Contractor		All works areas	Construction phase	EIAO-TM, WPCO, WDO
S11.163	Any service shop and maintenance facilities should be located on hard standings within a bunded area, and sumps and oil interceptors should be provided. Maintenance of vehicles and equipment involving activities with potential for leakage and spillage should only be undertaken within the areas appropriately equipped to control these discharges.	To control water quality impact from accidental chemical spillage				MTR / Contractor		All works areas	Construction phase	EIAO-TM, WPCO, WDO
S11.164	Disposal of chemical wastes should be carried out in compliance with the Waste Disposal Ordinance. The Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes published under the Waste Disposal Ordinance details the requirements to deal with chemical wastes. General requirements are given as follows: § Suitable containers should be used to hold the chemical wastes to avoid leakage or spillage during storage, handling and transport. § Chemical waste containers should be suitably labelled, to notify and warn the personnel who are handling the wastes, to avoid accidents. § Storage area should be selected at a safe location on site and adequate space should be allocated to the storage area.	To control water quality impact from accidental chemical spillage				MTR / Contractor		All works areas	Construction phase	EIAO-TM, WPCO, WDO
S11.165	Surface construction works at or in close proximity of watercourses or seafront: § The proposed surface construction works should be carried out in dry season as far as practicable where the flow in the river channel or stream is low. § The use of less or smaller construction plants may be specified to reduce the disturbance to the riverbed or pond deposits. § Temporary sewerage system should be designed to prevent wastewater from entering the river, streams and sea. § Temporary storage of materials (e.g. equipment, filling materials, chemicals and fuel) and temporary stockpile of construction materials should be located well away from any water courses during carrying out of the construction works. § Stockpiling of construction materials and dusty materials should be covered and located away from any water courses. § Construction debris and spoil should be covered up and/or disposed of as soon as possible to avoid being washed into the nearby water receivers. § Construction activities, which generate large amount of wastewater, should be carried out in a distance away from the waterfront, where practicable. § Mitigation measures to control site run-off from entering the nearby water environment should be implemented to minimize water quality impacts. Surface channels should be provided along the edge of the waterfront within the work sites to intercept the run-off. § Construction effluent, site run-off and sewage should be properly collected and/or treated. § Any works site inside the water courses should be temporarily isolated. The water flow should be temporarily diverted to downstream by using PVC pipes, steel arrays in concrete case or similar, restricting the excavation works to be conducted within an enclosed dry section of the channel. This works arrangement would provide a dry zone for excavation works within the river channel and would prevent the conveyance of suspended sediment downstream. Dewatering at works section should be conducted prior to the commencement of works. Further limiting or reducing the works area inside the water courses should be considered during wet season or rainstorm event in order to reduce the area of exposed surface. § Silt curtain should be installed around the construction activities at or near the watercourses to minimize the potential impacts due to accidental spillage of construction wastes and excavated materials. § Proper shoring may need to be erected in order to prevent soil or mud from slipping into the watercourses. § Supervisory staff should be assigned to station on site to closely supervise and monitor the works.	To control water quality impact from construction works at or in close proximity of watercourses or seafront				MTR / Contractor		All works areas	Construction phase	EIAO-TM, WPCO
S11.166	Surface construction works close to water gathering grounds: § The conditions as specified in WSD guidelines on protection of Water Gathering Ground should be followed or observed where practicable	To control water quality impact from surface construction works close to Water Gathering Ground				MTR / Contractor		Works areas close to water gathering ground	Construction phase	WSD guidelines on protection of Water Gathering Ground
S11.167	Dredging of marine sediments at LKST: § Closed grab dredger should be used to minimize the loss of sediment during the raising of the loaded grabs through the water column. § No more than one closed grab dredger should be operated at any one time. § Double silt curtains should be deployed around the dredging operations as far as practicable. § The descent speed of grabs should be controlled to minimize the seabed impact speed. § Barges should be loaded carefully to avoid splashing of material. § All barges used for the transport of dredged materials should be fitted with tight bottom seals in order to prevent leakage of material during loading and transport. § All barges should be filled to a level which ensures that material does not spill over during loading and transport to the disposal site and that adequate freeboard is maintained to ensure that the decks are not washed by wave action.	To minimize the loss of fine sediment to suspension during dredging of marine sediments at LKST				MTR / Contractor		Marine dredging at LKST	Construction phase	EIAO-TM, WPCO, WSD Water Quality Criteria
S11.83 and S11.165	Diversion of watercourse: § The excavation works at the existing stream in Shek Kong/ Kam Tin Nullah should be carried out by approved methods by the Engineer to minimise erosion. Should excavation works be carried out at the designated section of water course, temporary river diversion should be conducted prior to the commencement of works to avoid water flowing into works area. The temporary diversion of water flow should be performed by appropriate means, such as completing the construction of the proposed channel section for carrying diverted flow prior to excavation works, or other similar methods, as approved by the Engineer to suit the works condition. This works arrangement would provide a dry zone for excavation works within the river channel and would prevent the conveyance of suspended sediment downstream. Dewatering at works section should also be conducted prior to the commencement of works. § Mitigation measures for minimizing the water quality impact for surface construction works at or close to the watercourses should also be applied.	To control water quality impact due to diversion of watercourse				MTR / Contractor		Watercourse to be diverted in Shek Kong	Construction phase	WPCO
S. 11.169 - 11.173	Hydrogeological Impact: For the cut and cover tunnels and associated excavations for vent buildings and emergency access/escape points, the following measures should be in place in order to mitigate any drawdown effects to the groundwater table during the operation of the temporary dewatering works: § Toe grouting should be applied beneath the toe level of the temporary/permanent cofferdam walls as necessary to lengthen the effective flow path of groundwater from outside and thus control the amount of water inflow to the excavation. § Recharge wells should be installed as necessary outside the excavation areas. Water pumped from the excavation areas should be recharge back into the ground. The bored tunnels should be constructed using a closed face tunnel boring machine to limit water inflow into the excavation face. The cutter head for the machine will be sealed during excavation and therefore the water inflow from the face will be very small. Precast undrained linings should be installed and back grouted behind the tunnel boring machine as it advances along the alignment to minimize the potential inflow of water behind the cutter head. The Contractor should initially adopt suitable water control strategies while undertaking the excavation works. The water control strategies are shown as follow: § Probing Ahead: As normal practice, the Contractor will undertake rigorous probing of the ground ahead of tunnel excavation works to identify zones of significant water inflow. The probe drilling results will be evaluated to determine specific grouting requirements in line with the tunnel advance. In such zones of significant water inflow that could occur as a result of discrete, permeable features, the intent would be to reduce overall inflow by means of cut-off grouting executed ahead of the tunnel advance. § Pre-grouting: Where water inflow quantities are excessive, pre-grouting will be required to reduce the water inflow into the tunnel. The pre-grouting will be achieved via a systematic and carefully specified protocol of grouting. § In principle, the grout pre-treatment would be designed on the basis of probe hole drilling ahead of the tunnel face. In the event of excessive drawdown being observed within the ground water table as a result of the tunnelling works even after incorporation of the water control strategies, post-grouting will be applied as described below: § Post-grouting: Groundwater drawdown will be most likely due to inflows of water into the tunnel that have not been sufficiently controlled by the pre-grouting measures. Where this occurs post grouting will be undertaken before the lining is cast. Whilst unlikely to be required in significant measure, such a contingency should be allowed for reduction in permeability of the tunnel surround (by grouting) to limit inflow to acceptable levels. A detailed groundwater monitoring programme should be developed in detailed design stage to monitor both the proposed works and the impact of those works on the adjacent area.	To control groundwater hydrogeological impact and groundwater drawdown				MTR/ Contractor		All works areas	Construction phase
Water Quality Impact (Operation Phase)
S11.174	Tunnel run-off and drainage: § Track drainage channels discharge should pass through oil/grit interceptors/chambers to remove oil, grease and sediment before being pumped to the foul sewer/holding tank for further disposal. § The silt traps and oil interceptors should be cleaned and maintained regularly. § Oily contents of the oil interceptors should be transferred to an appropriate disposal facility, or to be collected for reuse, if possible.	To control runoff from rail track				MTR / DDC		Tunnels and rail tracks	Operation phase	WPCO
S11.175 – S11.176	Sewage effluents: § Connection of domestic sewage generated from the Project should be diverted to the foul sewer wherever possible. If public sewer system is not available, sewage tanking away services or on-site sewage treatment facilities should be provided to prevent direct discharge of sewage to the nearby storm system and all the discharge should comply with the requirements stipulated in the TM-DSS. § For handling, treatment and disposal of other operation stage effluent, the practices outlined in ProPECC PN 5/93 should be adopted where applicable.	To control water quality impact from sewage effluent discharge ventilation buildings, SSS and WKT				MTR / DDC		Ventilation buildings, SSS and WKT	Operation phase	EIAO-TM, WPCO, TM-DSS, ProPECC PN 5/93
S11.177- S11.181	Shek Kong Stabling Sidings (SSS): § All the maintenance areas within the SSS should be housed or covered to prevent generation of contaminated rainwater runoff. All wastewater generated from the maintenance and cleaning activities should be collected and diverted to oil interceptor or other appropriate treatment facilities for proper treatment so that it satisfies the requirements stipulated in the TM-DSS. § In case there is no pubic sewer available for the SSS during the operation phase, all wastewater generated or collected in the SSS should be tankered away for proper disposal to prevent direct discharge of any wastewater to the nearby surface water system. § Oil interceptors should be regularly inspected and cleaned to avoid wash-out of oil during storm conditions. A bypass would be provided to avoid overload of the interceptor’s capacity. § All waste oils and fuels should be collected and handled in compliance with the Waste Disposal Ordinance. Site drainage should be well maintained and good management practices should be observed to ensure that oils and chemicals are managed, stored and handled properly and do not enter the nearby water streams. Areas for chemical storage should be securely locked. The storage area should have an impermeable floor and bunding of capacity to accommodate 110% of the volume of the largest container or 20% by volume of the chemical waste stored in that area, whichever is the greatest, to minimize the impacts from any potential accidents. In case of the occurrence of accidental spillage of chemicals, it is required to take immediate actions to control the release of chemicals. § Disposal of chemical wastes should be carried out in compliance with the Waste Disposal Ordinance. The Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes published under the Waste Disposal Ordinance details the requirements to deal with chemical wastes.	To control water quality impacts from the operation of Shek Kong Stabling Sidings				MTR/DDC		SSS	Operation phase	EIAO-TM, WPCO, TM-DSS and Waste Disposal Ordinance
S11.182	For any future maintenance desilting of the newly constructed or diverted watercourses, temporary barrier walls should be used to provide a dry zone for desilting work. Maintenance desilting should be carried out during periods of low flow in the dry season.	To control water quality impact due to maintenance desilting of the newly constructed or diverted watercourses				MTR		Diverted watercourses in Shek Kong	Operation phase	-
Air Quality (Construction Phase)
S 12.78	For concrete batching plant, the requirements and mitigation measures stipulated in the Guidance Note on the Best Practicable Means for Cement Works (Concrete Batching Plant) BPM 3/2(93) should be followed and implemented.	To minimize dust impacts				MTR / Contractor		Concrete batching plant at works area V	Construction phase	Air Pollution Control Ordinance (APCO)
Table 12.9 and Table 12.12	The design emission concentration of dust collector for different types of silos for concrete batching plant should be: § Dust collector for each small Cement Silo £ 30 mg/m³ § Dust collector for each Large Capacity Cement Silo £ 50mg/m³ § Dust collector for each PFA Silo £ 30 mg/m³ § Dust collector for each Mixer £ 40 mg/m3 During operation of concrete batching plant: § The aggregates should be unloaded from the tipper trucks to the receiving hopper equipped with enclosures on 3 sides and top cover, and water spraying system. § The cement and PFA should be directly loaded into the silo via a flexible duct. Dust collectors should be installed at the cement/PFA silo based on the above design emission rates. § The aggregates should be stored in fully enclosed overhead storage bins. The top of overhead storage bins should be covered with cladding. Water spraying system should be installed at the top of storage bins for watering the aggregates, and aggregate storage bins should be fully enclosed. § The whole process of weighing and mixing of cementitious material should be performed in a fully enclosed environment. The mixers shall equip with the dust collectors based on the above design emission rates. § The concrete should be directly loaded from the mixer into the transit mixer of a truck in “wet” form. § Haul road within the site should be paved. Wheel washing pit should be installed at the gate of the concrete batching plant. Water spraying system should be installed along the haul road.	To minimize dust impacts				MTR / Contractor		Concrete batching plant at works area V	Construction phase	APCO and Guidance Note on the Best Practicable Means for Cement Works (Concrete Batching Plant) BPM 3/2(93)
Table 12.10	(1) Cut & Cover Areas and Stockpiles in the vicinity of adits/shafts: (a) Heavy construction activities at Cut & Cover Areas, Storage of materials at Stockpiles - Active areas for heavy construction activities, loading & unloading materials at stockpiles § The specified requirements for cut & cover areas and stockpiles at Shek Kong, Nam Cheong and West Kowloon works areas are as follows: (i) Shek Kong works area – active area minimized to 15% of total area, watering with complete coverage of active area ten times a day. (ii) Nam Cheong works area – active area minimized to 30% of total area, watering with complete coverage of active stockpile area four times a day. (iii) West Kowloon works area – active area minimized to 15% of total area, watering with complete coverage of active area eight times a day. § For other sites, the active area would be minimized to 30% of the total area, water spraying system would be applied on the active area and watering with complete coverage of active area four times a day would be required. § The remaining inactive area would be well covered with impervious sheeting at all work sites. (b) Trucks - Transportation of materials § Wheel wash facilities provided at the site exit. The vehicles should be washed before leaving the stockpiles. The spoils should also be well covered before leaving the site in order to minimise generation of dusty materials. § The haul roads within the site should be paved and water spraying would be provided to keep the wet condition. § For the Shek Kong works area, watering paved haul roads once per hour would be provided. (2) Temporary stockpiles within barging facilities: (a) Loading point - Loading of spoils from trucks onto stockpile § Water spraying should be provided at the loading points to suppress the dust impact. (b) Storage of materials - Active area for loading & unloading materials § Water spraying system should be applied on the active area and watering with complete coverage of active area four times a day is required.	To minimize dust impacts				MTR / Contractor		All works areas	Construction phase	APCO
Table 12.11	Barging facilities: (1) Haul road within barging facilities - Transportation of spoils to the barging points § All road surfaces within the barging facilities should be paved and water spraying should be provided to keep the wet condition. For paved haul roads at West Kowloon and Nam Cheong, watering haul road once per hour is required. (2) Unloading of materials - Unloading of spoil materials § The unloading process should be undertaken within enclosed tipping hall. Water spraying and dust curtain should be provided at the discharge point for dust suppression. (3) Trucks - Vehicles leaving the barging facilities § Vehicle wheel washing facilities should be provided at site exit. (4) Transportation of spoils to one of the Nam Cheong Barging Point § Fully enclosed conveyor system should be adopted for transportation of spoils from shaft to the barging point.	To minimize dust impacts				MTR / Contractor		All barging points	Construction phase	APCO
S 12.78	Dust suppression measures stipulated in the Air Pollution Control (Construction Dust) Regulation and good site practices: § Use of regular watering, with complete coverage, to reduce dust emissions from exposed site surfaces and unpaved roads, particularly during dry weather. § Use of frequent watering for particularly dusty construction areas and areas close to ASRs. § Side enclosure and covering of any aggregate or dusty material storage piles to reduce emissions. Where this is not practicable owing to frequent usage, watering should be applied to aggregate fines. § Open stockpiles should be avoided or covered. Where possible, prevent placing dusty material storage piles near ASRs. § Tarpaulin covering of all dusty vehicle loads transported to, from and between site locations. § Establishment and use of vehicle wheel and body washing facilities at the exit points of the site. § Provision of wind shield and dust extraction units or similar dust mitigation measures at the loading points, and use of water sprinklers at the loading area where dust generation is likely during the loading process of loose material, particularly in dry seasons/ periods. § Imposition of speed controls for vehicles on unpaved site roads. 8 kilometers per hour is the recommended limit. § Where possible, routing of vehicles and positioning of construction plant should be at the maximum possible distance from ASRs. § 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. § 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.	To minimize dust impacts				MTR / Contractor		All works areas	Construction phase	APCO and Air Pollution Control (Construction Dust) Regulation
S12.94	Environmental monitoring and audit for dust emission should be conducted in accordance with EM&A Manual during the construction phase of the Project to check compliance with legislative requirements.	To monitor dust impact				MTR / Contactor		Proposed monitoring locations	Design and operation phases	EIAO-TM, APCO
Air Quality (Operation Phase)
S12.48	The vent shafts of the stations should be designed to be sited at more than 5m from any opening at the adjacent building	To alleviate the adverse air quality impact in the stations				MTR		WKT	Design and operation phases	Fire Services Department
S12.50	The design of the mechanical air ventilation for PTI should follow EPD’s ProPECC PN1/98 Control of Air Pollution in Semi-confined Public Transport Interchanges.	To alleviate the adverse air quality impact in the PTI				MTR		PTI at the ground floor of ventilation building complex at WKT	Design and operation phases	ProPECC PN1/98 Control of Air Pollution in Semi-confined Public Transport Interchanges
Hazard to Life
S13.96/ S13.99	Improved truck design to reduce the amount of combustibles in the cabin and fuel carried in the fuel tank should be minimised to reduce the duration of any fire. The truck should be brand new, diesel powered and equipped with fuel and battery isolation switches, front exhaust spark arrester, 1 x 9 kg water based and 1 x 9 kg dry chemical powder fire extinguishers. This should be combined with monthly vehicle inspection	To meet the ALARP requirement				MTRC/ Contractor		-	Construction phase	-
S13.96	The explosive truck accident frequency should be minimized by implementing a dedicated training programme for both the driver and his attendants, including regular briefing sessions, implementation of a defensive driving attitude. In addition, drivers should be selected based on good safety record, and medical checks.	To meet the ALARP requirement				MTRC/ Contractor		-	Construction phase.	-
S13.96	The contractor should as far as practicable combine the explosive deliveries for a given work area.	To meet the ALARP requirement				MTRC/ Contractor		-	Construction phase	-
S13.96	The explosive truck fire involvement frequency should be minimized by implementing a better emergency response and training to make sure the adequate fire extinguishers are used and attempt is made to evacuate the area of the incident or securing the explosive load if possible. All explosive vehicles should also be equipped with bigger capacity AFFF-type extinguishers.	To meet the ALARP requirement				MTRC/ Contractor		-	Construction phase	-
S13.96	A minimum headway between two consecutive truck conveys of at least 10 min is recommended	To meet the ALARP requirement				MTRC/ Contractor		Along explosives transport route.	Construction phase.	-
S13.96/ S13.105	Only the required quantity of explosives for a particular blast should be transported to avoid the return of unused explosives to the magazines. If disposal is required for small quantities, disposal should be made in a controlled and safe manner by a Registered Shotfirer.	To reduce the risk during explosives transport				MTRC/ Contractor		-	Construction phase	-
S13.97	Blasting activities including storage and transport of explosives should be supervised and audited by competent site staff to ensure strict compliance with the blasting permit conditions.	To ensure that the risks from the proposed explosives storage and transport would be acceptable				MTRC / Contractor		Works areas at which explosives would be stored and/or used.	Construction phase	Dangerous Goods Ordinance
S13.97	Emergency plan (ie magazine operational manual) shall be developed to address uncontrolled fire in magazine area and transport. The case of fire near an explosive carrying truck in jammed traffic should also be covered. Drill of the emergency plan should be carried out at regular intervals.	To reduce the risk of fire				MTRC/ Contractor		Explosive Magazine and along explosives transport route.	Construction phase	-
S13.97	Adverse weather working guideline should be developed to clearly define procedure for transport explosives during thunderstorm.	To ensure safe transport of explosives				MTRC/ Contractor		Along explosives transport route.	Construction phase	-
S13.98	Delivery vehicles shall not be permitted to remain within the secured fenced off magazine store area.	To reduce the risk of fire within the magazine				MTRC / Contractor		Explosive Magazine	Construction phase	-
S13.98	Good house-keeping within and outside of the magazine to ensure that combustible materials (including vegetation) are removed and not allowed to accumulate.	To reduce the risk of fire within the magazine				MTRC / Contractor		Explosive Magazine	Construction phase	-
S13.99/ S13.101	Use only experienced driver(s) with good safety record. Training should be provided to ensure it covers all major safety subjects.	To ensure safe transport of explosives				MTRC/ Contractor		-	Construction phase	-
S13.99	Develop procedure to ensure that parking space on the site is available for the explosive truck. Confirmation of parking space should be communicated to truck drivers before delivery.	To ensure that the risks from the proposed explosives storage and transport would be acceptable				MTRC/ Contractor		Explosive magazine	Construction phase	-
S13.99	Detonators shall not be transported in the same vehicle with other Class 1 explosives	To reduce the risk of explosion during the transport of cartridge emulsion				MTRC / Contractor		-	Construction phase	-
S13.99	During transport of the explosives within the tunnel, hot work should not be permitted in the vicinity of the explosives offloading or charging activities.	To ensure safe transport of explosives				MTRC/ Contractor		Along explosives transport route.	Construction phase	-
S13.99	Ensure that packaging of detonators remains intact until handed over at blasting site.	To reduce the risk of explosion during the transport of detonator				MTRC/ Contractor		-	Construction phase	-
S13.99	Horizontal fire screen on cargo deck and vertical fire screen mounted at least 150 mm behind the drivers cab and 100 mm from the steel cargo compartment, the vertical screen shall protrude 150 mm in excess of all three (3) sides of the steel cargo compartment.	To reduce the risk during explosives transport				MTRC/ Contractor		-	Construction phase	-
S13.104	Ensure that cartridge emulsion with high water content should be preferred. Also, the emulsion with perchlorate formulation should be avoided.	To ensure safe explosives to be used				MTRC/ Contractor		-	Construction phase	-
Landfill Gas Hazard – Design and Construction Phases
S14.73 & S14.86	- All personnel who work on site and all visitors to the site should be made aware of the possibility of ignition of gas in the vicinity of excavations. Safety notices should be posted warning of the potential hazards.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone, Barging Point and Nursery Site	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.73	- Those staff who work in, or have responsibility for “at risk” areas, including all excavation workers, supervisors and engineers working within the Consultation Zone, should receive appropriate training on working in areas susceptible to landfill gas, fire and explosion hazards.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.73	- During all works, safety procedures will be implemented to minimise the risks of fires and explosions and asphyxiation of workers (especially in confined space).	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.73	- Safety officers, specifically trained with regard to landfill gas related hazards and the appropriate actions to take in adverse circumstances will be present on all worksites throughout the works.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.73, S14.86, S14.87	- Smoking and naked flames will be prohibited within confined spaces. 'No Smoking' and 'No Naked Flame' notices in Chinese and English will be posted prominently around the construction site. Safety notices should be posted warning of the potential hazards.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone, Barging Point and Nursery Site	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.73	- Welding, flame-cutting or other hot works may only be carried out in confined spaces when controlled by a 'permit to work' procedure, properly authorised by the Safety Officer. The permit to work procedure will set down clearly the requirements for continuous monitoring of methane, carbon dioxide and oxygen throughout the period during which the hot works are in progress. The procedure will also require the presence of an appropriately qualified person who shall be responsible for reviewing the gas measurements as they are made, and who shall have executive responsibility for suspending the work in the event of unacceptable or hazardous conditions. Only those workers who are appropriately trained and fully aware of the potentially hazardous conditions which may arise will be permitted to carry out hot works in confined areas.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.73	- A mechanical ventilation system must be in use at all times during which personnel are engaged in works inside the tunnel or excavation and be evacuated in the event of power outages. Work must not be carried out in the absence of mechanical ventilation and supervision of adequately trained safety personnel. In exceptional case where work is carried out under non-ventilated condition, any electrical equipment used, such as motors and extension cords, should be intrinsically safe.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.73	- Adequate fire extinguishing equipment, fire-resistant clothing and breathing apparatus sets should be made available on site.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.86	- Raising the site office 500mm above ground.	Protect the workers from landfill gas hazards				Contractor		Barging Point	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.86	- Utilities services connected to the site office and the annulus around these service entry points should be properly sealed.	Protect the workers from landfill gas hazards				Contractor		Barging Point	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.74	- Construction works to be undertaken in confined space should follow the relevant Regulations under Chapter 59 Factories and Industrial Undertakings Ordinance and Chapter 509 Occupational Health and Safety Ordinance.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	Chapter 59 Factories and Industrial Undertakings Ordinance and Chapter 509 Occupational Health and Safety Ordinance
S14.73	- Monitoring of methane, carbon dioxide and oxygen inside the XRL tunnels.	Protect the workers from landfill gas hazards				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.75	- A walkover survey to monitor flammable gas at all joints and cracks, if identified, upon completion of the tunnel work. Rectifications, such as sealing of cracks and inspection of tunnel seals, shall be carried out for any signs of the presence of flammable gas. The survey should be conducted under non-ventilated condition and before starting the work of the day.	Confirm no landfill gas ingress into the XRL tunnels				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.76	- Weekly monitoring of methane, carbon dioxide and oxygen in the form of a walkover survey at 20m intervals for section of tunnels under NTML and 50m interval within the NTML Consultation Zone should be conducted after completion of the tunnel construction works and not less than 3 months before commencement of operation. The survey should be conducted under non-ventilated condition and before starting the work of the day.	Confirm no landfill gas ingress into the XRL tunnels				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.77	- A summary of the monitoring results should be submitted to EPD for record before the commencement of operational phase. The results should be reviewed and agreed with EPD before the commencement of operation to determine the monitoring requirements during the operational phase	To review and agree the monitoring requirement during the operational phase				MTR/Contractor		-	Before operation	-
S14.78	- Appropriate sealant will be applied to joints to prevent the ingress of groundwater, which will also form a low permeability gas barrier. Good workmanship and adequate construction supervision will be required to ensure the actual works are implemented as per the design requirements. This will be implemented by MTRC’s Material and Workmanship Specification.	Protect the XRL tunnels from landfill gas hazards				Design Engineer/ Contractor		XRL tunnels within the NTML Consultation Zone	Design and Construction phases	MTRC’s Material and Workmanship Specification.
S14.79	- Adequate ventilation will be needed as part of the tunnel design to act as an active gas control when needed.	Protect the XRL tunnels from landfill gas hazards				Design Engineer		XRL tunnels within the NTML Consultation Zone	Design phase	-
S14.80	- Upon completion of the landfill gas protection measures, a report on the implemented landfill gas protection measures with relevant as-built drawings and other detailed information showing that the design measures mentioned in this assessment to protect the tunnels from landfill gas hazard have been properly incorporated should be submitted to EPD.	Ensure landfill gas protection measures have been completed				Contractor		XRL tunnels within the NTML Consultation Zone	Construction phase	-
Landfill Gas Hazard – Operation Phase
S14.76	- Ventilation of the tunnels should be switched on for half an hour before the first train is expected (the requirement to implement this measure is subject to findings of the review of landfill gas monitoring data with EPD before the commencement of operation).	Protect the operation of the XRL from landfill gas hazards				MTR		XRL tunnels within the NTML Consultation Zone	Operation phase	-
S14.76	- All maintenance personnel and station staff working within the tunnels should be educated in the dangers of landfill gas and the signs and symptoms of asphyxia.	Protect the workers from landfill gas hazards				MTR		XRL tunnels within the NTML Consultation Zone	Operation phase	-
S14.76	- Smoking within the tunnels should be prohibited at all times.	Protect the operation of the XRL and workers from landfill gas hazards				MTR		XRL tunnels within the NTML Consultation Zone	Operation phase	-
S14.76	- An assumed presence of landfill gas should be adopted at all times by maintenance workers and a strictly regulated “work permit procedure” involving training, ventilation, gas monitoring (as detailed in the Construction recommendations section), safety tracking and communication with maintenance staff, enforcement of the no smoking order.	Protect the workers from landfill gas hazards				MTR		XRL tunnels within the NTML Consultation Zone	Operation phase	-
S14.82 & S14.83	- The monitoring requirement during the operational phase should be discussed with EPD before the commencement of operation. Weekly monitoring of methane, carbon dioxide and oxygen in the form of a walkover survey at 20m intervals for section of tunnels under NTML and 50m interval within the NTML Consultation Zone is tentatively proposed. The survey should be conducted under non-ventilated condition and before the first train operates and start-up of ventilation, if applicable. A summary of the monitoring results should be submitted to EPD for record at the end of the monitoring period.	Confirm no landfill gas ingress into the XRL tunnels				MTR		XRL tunnels within the NTML Consultation Zone	Operation phase	EPD’s Landfill Gas Hazard Assessment Guidance Note
S14.84	- An annual walkover survey in the tunnels within the Consultation Zone of the NTML should be conducted to test for the presence of flammable gas at joints and cracks, if identified. Rectifications, such as sealing of cracks and inspection of tunnel seals, should be carried out for any signs of presence of flammable gas. The survey should be conducted under non-ventilated condition and before the first train operates and start-up of ventilation, if applicable.	Confirm no landfill gas ingress into the XRL tunnels				MTR		XRL tunnels within the NTML Consultation Zone	Operation phase	-

18. IMPLEMENTATION SCHEDULE AND RECOMMENDED MITIGATION MEASURES