-
January 2016
Agreement No. CE 1/2013 (CE)Site Formation and Associated
Infrastructural Works forDevelopment of Columbarium, Crematorium
and Related Facilities at Sandy Ridge Cemetery Design and
Construction
Environmental Impact Assessment Executive Summary(Final)
Civil Engineering Office
(Ref: REP-053-03)
Lo Wu Station Sandy Ridge Cemetery
Sandy Ridge Cemetery
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Civil Engineering and Development Department Agreement No.
CE1/2013 (CE) Site Formation and Associated Infrastructural Works
for Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary 231448-REP-053-03
Final | January 2016
This report takes into account the particular instructions and
requirements of our client.
It is not intended for and should not be relied upon by any
third party and no responsibility is undertaken to any third party.
Job number 231448
Ove Arup & Partners Hong Kong Ltd Level 5 Festival Walk 80
Tat Chee Avenue Kowloon Tong Kowloon Hong Kong www.arup.com
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at
Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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CEMETERY D&C\02 PROJECT ADMINISTRATION\FILING\4.3 OUTGOING
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SUMMARY_20160314_V2.DOCX
Contents Page
1 Introduction 1 1.1 Project Background 1 1.2 Project Scope and
Implementation Programme 2 1.3 Need for the Project 4 1.4
Environmental Benefits of the Project 4 1.5 Concurrent Projects 6
1.6 Alternative Designs 6 1.7 Construction Methodology 9
2 Summary of Key Findings in EIA Study 11 2.1 General 11 2.2 Air
Quality 11 2.3 Noise 13 2.4 Water Quality 14 2.5 Waste Management
16 2.6 Land Contamination 17 2.7 Ecology 18 2.8 Fisheries 19 2.9
Landscape and Visual 19 2.10 Cultural Heritage 21 2.11
Environmental Monitoring and Audit 21
3 Conclusion 22
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at
Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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CEMETERY D&C\02 PROJECT ADMINISTRATION\FILING\4.3 OUTGOING
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Figures Figure 1.1 Project Location Plan at Sandy Ridge Cemetery
Figure 1.2 Project Location Plan at Lin Ma Hang Road Figure 1.3
Location of Barging Point Figure 1.4 Locations of Designated
Projects
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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1 Introduction
1.1 Project Background 1.1.1.1 The main objective of the
proposed site formation and associated
infrastructural works for development of columbarium,
crematorium (C&C) and related facilities at Sandy Ridge
Cemetery is to increase the public cremation services and supply of
public niches to meet the future demand.
1.1.1.2 The C&C facilities are planned to provide
synergistic one-stop services at the Sandy Ridge Cemetery by
including at least a funeral parlour and a visitor service centre
so as to maximise the convenience to the public. It is hoped that
this project will set a new benchmark for the public C&C
facilities and services in terms of its functional one-stop
services, state-of-the art design incorporating artistic elements
of aesthetic appeal where appropriate, greening and landscaping,
user-friendly access for visitors and serene surrounding
environment. It will be a place where those lost loved ones can
rest in eternal peace in a dignified manner, and where family
members, relatives and friends can part with and mourn for their
loved ones in reasonable privacy, and where visitors will find it
pleasant to stay to admire the landscape and the greenery.
1.1.1.3 The C&C facilities are located inside the Frontier
Closed Area at the northern boundary of the New Territories. It is
bounded by Man Kam To Road to the east and south, Lo Wu Village,
MTR Lo Wu Station and Lo Wu Station Road to the west and Shenzhen
River to the North. The plan for the proposed land platform is
shown in Figure 1.1, and the plan for the proposed road widening
work along Lin Ma Hang Road is shown in Figure 1.2 and that for the
proposed barging point at Siu Lam is shown in Figure 1.3.
1.1.1.4 The Project comprises the following which are classified
as Designated Projects (DPs) as per Schedule 2, Part I of the
Environmental Impact Assessment Ordinance (EIAO):
Item A.8 A road or railway bridge more than 100m in length
between abutments; and
Item I.1(b)(vii) A drainage channel or river training and
diversion works which discharges or discharge into an area which is
less than 300m from the nearest boundary of an existing or planned
conservation area.
1.1.1.5 One of the new road sections leading from Man Kam To
Road up to the platform of the Project comprises of a viaduct
section of approximately 300m long. Both ends of the viaduct would
need to be in a form as abutments. Since the length between the
abutments is
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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more than 100m, it will be a DP under Item A.8 of Schedule 2,
Part I of EIAO.
1.1.1.6 The Conservation Area (CA) at Yuen Leng Chai is located
approximately 45m north west of the Project and the CA is at a
level lower than the proposed platform. Hence, a portion of the
surface run-off from the proposed platform will be drained into
this CA. Hence, it will be a DP under Item I.1(b)(vii) of Schedule
2, Part 1 of EIAO.
1.1.1.7 The locations of the above DPs under the Project are
shown in Figure 1.4.
1.2 Project Scope and Implementation Programme 1.2.1.1 Scope for
the Project include:
Area Proposed Works Works Within Study Area
Site formation of about 8ha of land for proposed C&C
Facilities (including the proposed pick-up and drop-off area for
shuttle buses).
Widening of the existing Sha Ling Road (about 900m) - from
existing 3m wide to a 7.3m wide single two-lane carriageway,
including its associated noise barriers.
Construction of internal roads for C&C Facilities.
Widening of the existing Lin Ma Hang Road (about 1.4km long)
from existing 6m wide to a 7.3m wide single two-lane carriageway,
including its associated noise barriers.
Construction of a new road (about 600m) including a section of
viaduct connecting platform for Crematorium and Man Kam To
Road.
Construction of the pick-up and drop-off point at Man Kam To
Road.
Outside the Columbarium / Crematorium Site
Temporary pick-up and drop-off points of shuttle buses for
grave-sweepers during festive periods at MTR Kwu Tung Station,
Sheung Shui Landmark North Public Transport Interchange, MTR
Fanling Station, and layby at Pak Wo Road near Flora Plaza.
Necessary landscaping, sewerage, waterworks and utility works
for the proposed development along Man Kam To Road.
Barging point in Siu Lam.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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1.2.1.2 For MTR Kwu Tung Station (including the PTI and shuttle
bus services area), it will be constructed under the Planning and
Development Study on North East New Territories (NENT) Contract and
will be available by 2026. In addition, a barging point at Siu Lam
currently used by the Express Rail Link project would also be
required.
1.2.1.3 The barging point is located off-site along Tsing Fat
Street in Tuen Mun (see Figure 1.3). In order to reduce the impact
on road traffic, surplus inert construction and demolition
(C&D) materials from the construction of the C&C facilities
at Sandy Ridge Cemetery and Lin Ma Hang Road will be stored at a
temporary stockpile area on-site. The surplus inert C&D
materials will be transported to the designated barging point
facility in Tuen Mun by lorries, and then transported by barges for
the reuse of other concurrent projects. The current location is an
existing barging point used by the Express Rail Link project
according to the approved EIA report for Hong Kong Section of
Guangzhou-Shenzhen-Hong Kong Express Rail Link (AEIAR-143/2009).
Minor construction works for the tipping halls and a new ramps are
required. No maintenance dredging is required and no night-time
operation is anticipated.
1.2.1.4 It is anticipated that the site formation and associated
infrastructural works for the development of columbarium,
crematorium and related facilities will be commenced in 2017 and is
targeted for completion by 2022. It should also be noted that the
crematorium facilities is a separate DP and the respective project
proponent will conduct a separate EIA under the EIAO.
1.2.1.5 A summary of the key dates for construction phase is
given below. All these key dates are tentative and would be subject
to amendment as the design evolves.
Table 1.1 Summary of key construction dates
Key Construction Elements Tentative Dates
Commencement Completion
Columbarium (site formation, retaining walls, slopes, internal
roads, etc)
Q3 2017 Q4 2020
Crematorium (site formation, retaining walls, slopes, internal
roads, etc)
Q3 2018 Q4 2021
New Road with viaduct Q3 2019 Q4 2022
Widening of Sha Ling access road Q3 2017 Q4 2020
Utilities laying Q1 2020 Q2 2022
Lin Ma Hang Road Widening and associated slopes, etc
Q2 2019 Q2 2022
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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1.3 Need for the Project
1.3.1.1 With a growing and aging population in Hong Kong, the
number of deaths and the corresponding number of cremations have
been rising gradually every year, resulting in an increasing public
demand for C&C facilities. Based on past data, the average
annual numbers of deaths and cremations in the next 20 years (i.e.
from 2014 to 2033) are estimated to be about 54,000 and 51,000
respectively. Upon completion of the latest reprovisioning projects
of Wo Hop Shek and Cape Collinson Crematoria by late 2015, the
total annual capacity of all public cremators will be increased
from 38,000 sessions to 53,000 sessions. This will sufficiently
meet the cremation demand up to around 2024. There is genuine need
to construct new crematoria at Sandy Ridge Cemetery to address the
demand beyond 2024. As for columbarium, the supply of public niches
is uncertain after the completion of the Diamond Hill Columbarium
extension, the new public columbarium at Kiu Tau Road in the Wo Hop
Shek Cemetery and the Cheung Chau Cemetery extension in 2012 and
2013 providing about 1,500, 43,700 and 1,000 respectively of which
allocation of niches would be largely completed in mid 2015. Hence,
there is a need to construct new columbarium facilities.
1.4 Environmental Benefits of the Project 1.4.1.1 The
environmental benefits of the Project are summarised below:
1.4.2 Existing Visitors 1.4.2.1 All the existing users and
visitors to the cemetery and the graves
would need to rely on the existing Sha Ling Road to access Sandy
Ridge. During the festive days in particular, they are required to
make their own transport arrangement to Man Kam To Road. From
there, most of the visitors would need to either walk up the
existing Sha Ling Road or take franchised mini buses to access
Sandy Ridge Cemetery. However, the existing Sha Ling Road is only
6m wide without a proper pedestrian walkway and the gradient at
some sections are relatively steeper. On the other hand, the
capacity of the franchised mini buses is limited. Under such
circumstance, a small portion of users would drop off at MTR Lo Wu
Station and use an existing footpath to reach Sandy Ridge area.
This existing footpath is only 1.5m wide and is not paved, which
would be inconvenient especially during rainy days.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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1.4.2.2 With this project in place, the Sha Ling Road will be
upgraded to a 7.3m wide with 2 lanes and pedestrian walkway, and
the gradients along the road have also been optimized. Besides,
additional public transport will be provided to allow for a more
convenient access from Man Kam To Road up to the future platform.
All these improvements in infrastructure would benefit the existing
users and visitors to provide an easier and more convenient access.
This improvement in accessibility may also encourage some of the
visitors to consider visiting Sandy Ridge Cemetery at alternative
days other than festive days. This would help alleviating the
traffic demand during festive days and hence the associated
environmental issues.
1.4.2.3 As discussed in Section 1.1, the proposed development
would provide the site formation that integrates columbarium,
crematorium and other related facilities at one location. This
arrangement would definitely minimise generation of any unnecessary
off-site traffic (e.g. From Kwai Chung Crematorium to Hong Kong
Cemetery) that would otherwise need to travel between columbarium
and crematorium. Hence, the off-site traffic would be minimised and
hence any nuisance that may have caused on the communities in the
vicinity of the access roads would also be reduced as much as
practicable.
1.4.3 Existing Sewerage System 1.4.3.1 In addition, there is no
existing sewerage system for Sandy Ridge
Cemetery. With the Project in place, the disposal of waste water
from the visitors will be collected properly through the proposed
sewerage system. This would also help to improve the existing
conditions.
1.4.4 Green Transportation 1.4.4.1 The other environmental
benefit that would be brought about by the
Project is from the arrangement for off-site pick-up / drop-off
locations for shuttle buses. As discussed in Section 1.2, shuttle
buses would be arranged at a number of MTR Stations at MTR Kwu Tung
Road Station, MTR Fanling Station, existing Sheung Shui Landmark
North Public Transport Interchange (PTI) and layby at Pak Wo Road
near Flora Plaza. Instead of making their own arrangement (such as
private cars, public transport to existing shuttle bus location at
Sheung Shui), all the way from urban area to Man Kam To Road or
areas in the vicinity, the future visitors could choose to use the
shuttle bus route that is more convenient to them. Obviously, this
convenience of using shuttle buses would encourage all the visitors
to use public transport during festive days and hence help reducing
vehicular emissions which would in turn be beneficial for air
quality.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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1.4.5 Existing Communities along Lin Ma Hang Road
1.4.5.1 The existing Lin Ma Hang Road is only 6m wide in some
sections and with footpath of inconsistent width. As discussed in
Section 1.3, part of the Project proposal is to widen the existing
Lin Ma Hang Road to 7.3m up to standard requirement as given in
Hong Kong Planning Standards and Guidelines (HKPSG) and a 2m wide
of footpath would be provided. The footpath would also be designed
with appropriate landscape features such as tree planting and would
enhance aesthetic appeal of the surrounding environment and provide
a more convenient means of vehicular and pedestrian access for the
local community.
1.5 Concurrent Projects
1.5.1.1 The site formation for C&C facilities that would
have interface of various extent with other major projects and has
the potential to lead to cumulative impacts. Concurrent /
interfacing projects that have been considered include:
Operation of the Crematorium at Sandy Ridge;
Development of Organic Waste Treatment Facilities, Phase 2
(OWTF);
Police Facilities in Kong Nga Po;
Widening of Lin Ma Hang Road (Section outside the Project
boundary);
Liantang / Heung Yuen Wai Boundary Control Point and Associated
Works;
Development of Lok Ma Chau Loop;
North East New Territories New Development Area; and
Widening of Tolo / Fanling Highway between Island House
Interchange and Fanling.
1.6 Alternative Designs
1.6.1.1 Environmental considerations have been an integral part
of the overall review process to optimise the original design. The
general preferred criteria of the options are that, 1) to avoid
woodland loss to the maximum extent, if possible; 2) to avoid
affecting historic clan graves; 3) to minimise surplus inert
construction and demolition (C&D) material; 4) to minimise
population affected. A number of factors have been considered in
the evaluation of alternative designs as below:
Optimization of platform configuration;
Optimization of road network; and
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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Selection of pick-up and drop-off locations (off-site) along
existing MTR stations and highway corridor.
Optimization of platform configuration
1.6.1.2 The original platform for the columbarium would encroach
onto a total of 2.0ha of woodland. The original slope works would
also encroach onto 0.0017ha of wet woodland. The current design has
been refined to avoid direct impact (i.e. encroachment) on the wet
woodland which has a high ecological value. Moreover, the
minimisation of indirect impacts has also been considered by
increasing the separation distance between the western toe of the
slope and the wet woodland by installing a retaining wall and a
hammer head arrangement instead of the conventional roundabout
configuration for the end of the Emergency Vehicular Access
(EVA).
Optimization of road network
1.6.1.3 Based on the latest traffic arrangements, the western
access road in the original design is no longer required. In the
original design, the existing Sha Ling Road remains as a single
carriageway with minimum improvement works to serve as an emergency
access and a pedestrian route, which will encroach on 0.06ha of
woodland by the tunnel and viaduct.
1.6.1.4 Alternatively, using Sha Ling Road as a major access to
the development by upgrading existing Sha Ling Road, instead of
constructing a new road tunnel and viaduct connecting to the
western part of the columbarium, would reduce waste generation
significantly.
1.6.1.5 Also, the current design has maximised the possibility
of using vehicular access via Man Kam To Road, and therefore the
original pedestrian link near MTR Lo Wu Station is no longer
required.
1.6.1.6 From environmental perspective, this alternative
approach would avoid approximately 0.05ha of woodland. Preliminary
estimation suggests that this would also avoid cutting the existing
terrain and an additional amount of 260,000m3 of spoil.
1.6.1.7 In addition, the upgrading of an existing short section
of Sha Ling Road to MacIntosh Fort and the proposed roundabout as
turnaround facility for vehicles is considered necessary. The
internal roads with dead end aligned on the slope near the proposed
open car park are emergency vehicular access (EVA) for the
columbarium buildings, and EVA is required according to
Architectural Services Departments (ArchSD) design standard to
comply with the Code of Practice for Fire Safety in Buildings.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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Selection of pick-up and drop-off locations (off-site) along
existing MTR stations and highway corridor
1.6.1.8 The original design recommends a major pick-up /
drop-off location at MTR Sheung Shui Station during festive
periods. The design at that time would require certain road
improvement works such as widening and hence may require certain
noise mitigation measures in the form of noise barrier and
enclosures.
1.6.1.9 However, the current design would adopt multiple pick-up
/ drop-off locations at a number of MTR Stations during the festive
periods.
1.6.1.10 The proposed pick-up / drop-off points would be located
in either existing PTI or bus laybys, and no major road improvement
works (e.g. road widening) is required. No excavation works would
be required and only road furnishing would be conducted.
1.6.1.11 With the above consideration during design process, a
number of environmental improvements of the current design over the
original design has been achieved and are summarised below:
The area of woodland directly affected would be decreased from
2.0 ha to 1.0ha, by a reduction of 1.0ha which is equivalent to a
50% reduction;
The area of wet woodland affected by slope works would be
decreased from 0.0017ha to 0ha with at least 15m separation
distance, by a reduction of 0.0017ha which is equivalent to a 100%
reduction;
The area of grassland affected would be decreased from 16.4ha to
10.4ha, by a reduction of 6.0ha which is equivalent to a 36%
reduction;
All of the 4 seasonal watercourses directly feed into the wet
woodland would be avoided;
All clan graves within the original boundary of the platform
would be avoided;
The total surplus inert construction and demolition (C&D)
materials generation would be decreased from about 706,000m3 to
481,800m3, by a reduction of 224,200m3;
The road widening works for a section of Choi Yuen Road are no
longer required. Hence, noise and air quality impacts arising from
the construction and operation along a section of Choi Yuen Road
are not anticipated. And the secondary impacts induced from
provision of noise barrier are also avoided. No major road
improvement works and no excavation works are required for the
proposed pick-up / drop-off points; and
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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As the platform and works area have been significantly reduced,
the environmental impacts such as air quality, noise, waste
management, ecological, landscape and visual impacts to the nearby
sensitive receivers are anticipated to be significantly
reduced.
1.7 Construction Methodology
1.7.1.1 A summary of the construction methods for the C&C
facilities is given in the table below:
Key Stages Construction Methodology
Site Clearance Firstly, trees will be cleared by backhoes and
transported out of the site by crane lorries. After that, the top
soil, rock and inert debris will be cleared by backhoes and
transported to the stockpiling area for temporary storage. The top
soil will be considered to be used for grassland reinstatement. The
remaining top soil, rock and inert debris will be transferred to
public filling area by trucks.
The surplus inert C&D materials will be transferred to the
barging point at Siu Lam for the reuse of other concurrent
projects.
Construction of haul road
Construction of access route mainly involves temporary cut and
fill works. Therefore, excavators and bulldozers will be deployed
to excavate and place the fill material to the desired slope angle
of the proposed access road. After placing the fill material on the
haul road, vibratory rollers will be used for compaction.
Earth filling and excavation
The existing soil will be excavated by excavators while the
general fill will be placed by backhoes. After finishing the
filling and excavation works, the surface of soil will be further
compacted by vibratory rollers.
Construction of Bored Pile Foundation and Soldier Pile
Foundation for the Retaining Walls
For the construction of retaining walls with bored pile
foundation, piling rigs will be mobilized to drill the holes. The
steel case will be inserted and the piles will be tremie concreted
by concrete pump. For the construction of retaining walls with
soldier pile foundation, piling rigs will be mobilized to drill the
holes. The H piles will be inserted and tremie grouting will be
carried out. This method is mainly used in site formation to allow
minimise the change in the groundwater hydrology connecting to the
wet woodland.
Construction of Reinforced Concrete
For the construction of L-shape retaining wall, backhoes will be
deployed for the excavation of soil and then
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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(RC) L-shape retaining walls for roads
excavation lateral support will be installed for temporary
support against the pressure of soil. These two steps will be
repeated until reaching the formation level. After that,
construction of the L-shape retaining wall will be started and
follow by the backfilling of soil to the finish level. This
retaining structure will be mainly used in road widening work.
Construction of soil nailing
For the soil nailing works, metal scaffolding will be erected
and nail locations will be set out on site. Drilling rigs will be
mobilized to form the holes and the steel reinforcement will be
inserted. Tremie grouting will be carried out and the sprayed
concrete will be applied on the nail heads. Where applicable, the
construction method of soil nail is faster and causes less
environmental impact compared to other retaining structures.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
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2 Summary of Key Findings in EIA Study
2.1 General
2.1.1.1 The EIA Study has been conducted in accordance with the
EIA Study Brief No. ESB-271/2014 and followed the guidelines on
assessment methodologies in the Technical Memorandum on
Environmental Impact Assessment (TM-EIAO). Cumulative impacts with
other concurrent projects have also been taken into account in the
assessment.
2.1.1.2 This Executive Summary highlights the keys impacts
identified and the proposed mitigation measures. The key findings
of the EIA study are summarised in the following sections.
2.2 Air Quality 2.2.1 Construction Phase
2.2.1.1 Potential dust impact would be generated from the soil
excavation activities, backfilling, site erosion, storage of spoil
on site, transportation of soil, stockpiling etc. during the
construction of Sandy Ridge Cemetery and road widening work along
Lin Ma Hang Road.
2.2.1.2 Quantitative fugitive dust assessments have been
conducted, taking into account the cumulative impact caused by
nearby concurrent sources. It is recommended to implement effective
dust control following the requirements given in the Air Pollution
Control (Construction Dust) Regulation and in accordance with the
Environmental Monitoring and Audit (EM&A) programme during
construction. The recommended mitigation measures include covering
up the excavated or stockpile of dust material; enclosing the skip
hoist for material transport by impervious sheeting etc. Assessment
results also suggest that watering at site once per hour would be
required to control the fugitive dust impact to acceptable levels.
The predicted cumulative 1-hr TSP, 24-hr RSP, annual RSP, 24-hr FSP
and annual FSP are summarised in Table 2.1 below.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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Table 2.1 Summary of predicted construction dust level (in
g/m3)
TSP RSP FSP
Max. 1-hour 24-hour
(10th highest)
Annual 24-hour
(10th highest)
Annual
Concentrations at ASR (Unmitigated)
467 - 3,554 92 - 210 45 - 107 63 - 83 31 - 39
Concentrations at ASR (Mitigated)
161 - 384 85 - 98 44 - 50 63 - 67 30 - 31
Criteria 500 100 50 75 35
2.2.1.3 As mentioned in Section 1.2, there is a barging point
located off-site in Siu Lam which is currently being operated with
the Express Rail Link project. The construction activities within
this area would be limited to the unloading of spoils. Other dust
activities, such as site clearance and site formation, would not be
undertaken concurrently. After unloading, vehicles would be
required to pass through vehicle washing facilities with high
pressure water jet before leaving the barging point area. The
tipping halls would be 3-sided enclosure with a top cover, water
spraying and dust curtain would be provided at the unloading
points. With implementation of measures as mentioned, no adverse
dust impact arising from the operation of the barging point is
anticipated.
2.2.2 Operational Phase
2.2.2.1 A quantitative air quality assessment has been conducted
to assess the cumulative impacts from all neighbouring pollution
sources. PATH model has been adopted to simulate the regional air
quality effects, which has included various pollution sources in
Hong Kong and the Pearl River Delta Economic Zone (PRDEZ). For the
emission inventory in Hong Kong, various sources have also been
included in the PATH model, including the power stations, Chek Lap
Kok International Airport, marine emission, roads.
2.2.2.2 For the road networks associated with the Sandy Ridge
Cemetery and nearby existing roads, the vehicular emission from
open road has been estimated by EMFACHK (ver. 2.6), whilst the
vehicular emission from idling vehicles at Man Kam To Boundary
Control Point has been estimated based on the emission factors with
the latest report on Road Tunnels: Vehicle Emissions and Air Demand
for Ventilation (from PIARC, 2012). CALINE4 and ISCST3 models have
been used to simulate the local dispersion.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
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2.2.2.3 The output of PATH, CALINE and ISCST3 have been combined
and compared against the Hong Kong Air Quality Objectives (HKAQOs).
Results shown in Table 2.2 indicate that the cumulative air quality
impacts at sensitive receivers would comply with the AQO and hence
mitigated measures are not required.
Table 2.2 Summary of predicted cumulative NO2, RSP and FSP
concentrations (in g/m3)
Year
NO2 RSP FSP 1-hour
(19th highest)
Annual 24-hour
(10th highest)
Annual 24-hour
(10th highest)
Annual
2022 114-134 18-32 84-86 42-44 63-65 30-31
2030 114-129 18-28 84-86 42-44 63-65 30-31
Criteria 200 40 100 50 75 35
2.3 Noise 2.3.1 Construction Phase
2.3.1.1 Potential construction airborne noise impacts would be
caused by various construction activities including site clearance
and formation activities, construction of retaining wall, viaduct,
access roads, noise barrier, slope works, road widening works,
diversion of utilities and construction of new ramps and tipping
halls at barging point in Siu Lam, etc.
2.3.1.2 Construction noise assessment has concluded that the
unmitigated construction noise impacts would exceed the noise
criteria at some Noise Sensitive Receivers (NSRs). Suitable noise
mitigation measures such as implementation of good site practices
(e.g. mobile plant should be sited as far away from NSRs as
possible and practicable, and silencers or mufflers on construction
equipment should be properly fitted and maintained during the
construction works, etc.), temporary noise barriers, use of site
hoarding and quiet plants have been proposed. With the
implementation of the above mitigation measures, all sensitive
receivers would comply with the stipulated noise criterion. The
predicted cumulative construction noise impacts are summarised in
Table 2.3.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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Table 2.3 Summary of predicted construction noise level (in
dB(A))
Scenario Noise Level, Leq (30mins) Criterion, Leq (30mins)
Noise level (Unmitigated) 57-93 75
Noise level (Mitigated) 57-75 75
2.3.2 Operational Phase
2.3.2.1 Noise impacts during the operational phase of the
project include road traffic noise impact from Sha Ling Road and
Lin Ma Hang Road widening.
2.3.2.2 Road traffic noise calculations have been conducted
taking into account of the traffic conditions during both normal
days and festive days. Without mitigation measures, the predicted
road noise levels at representative receivers along Sha Ling Road
and Lin Ma Hang Road would exceed the criteria. With the
implementation of the proposed direct noise mitigation measures,
including low noise road surfacing materials and absorptive noise
barriers, most of the NSRs would comply with the noise criteria.
For the above NSRs with residual traffic noise impacts, the
contribution of traffic noise from the project roads are
insignificant (i.e. smaller than 1.0dB(A)). Exceedances at these
concerned NSRs are due to traffic noise from the existing Man Kam
To Road. Besides, the mitigated noise impacts with Project in place
would be less than that in prevailing scenario at Year 2016. Hence,
it is anticipated that traffic noise impacts of the Project (with
mitigation measures in place) would be less than that of without
the Project. The predicted road traffic noise impacts are
summarised in Table 2.4.
Table 2.4 Summary of predicted road traffic noise level (in
dB(A))
Scenario Normal day Festive day Criterion,
L10 (1 hr) NSRs NSRs
Noise level (Unmitigated) 57 78 58 76 70
Noise level (Mitigated) 49 77 52 76
2.4 Water Quality 2.4.1 Construction Phase
2.4.1.1 During construction phase, potential water quality
impacts would arise from construction runoff, wash water from dust
suppression sprays and wheel washing facilities, fuel and oil from
maintenance of
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
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construction machinery, etc. Control measures such as silt traps
and oil interceptors will be implemented on site to control the
potential surface runoff. Good site practice as stipulated in the
Practice for Professional Persons on Construction Site Drainage,
Environmental Protection Department, 1994 (ProPECC PN 1/94) should
be followed. In addition, good practice at the barging point in Siu
Lam, such as all barges fitted with tight bottom seals to prevent
leakage of materials during transport, etc. should also be
followed. Portable chemical toilets and sewage holding tanks should
be provided for handling the construction sewage generated by the
workforce. Regular water quality monitoring in the Conservation
Area north of the Project, Nam Hang Stream and watercourse near San
Uk Ling has been recommended.
2.4.1.2 With full implementation of the mitigation measures,
adverse residual and cumulative impacts are not anticipated during
the construction phase of the Project.
2.4.2 Operational Phase
2.4.2.1 During operational phase, the key water pollution source
would be the sewage generated. The sewage from the development is
mainly generated during festive periods (i.e. Ching Ming Festival
and Chung Yeung Festival), the quantity is relatively small when
compared to the Shek Wu Hui Sewage Treatment Works (SWHSTW)
capacity. Hence, the SWHSTW has enough capacity to handle the
sewage generated from the development.
2.4.2.2 For the drainage system, general control measures like
silt traps and oil interceptors will be implemented to control the
potential pollution from surface runoff.
2.4.2.3 Of particular concern is the wet woodland is located to
the north-west of the columbarium. This wet woodland has been
concluded to have high ecological value. The platform would occupy
an area of about 4.0ha and there would be hydrological change, both
groundwater and surface water, to the wet woodland downstream. For
groundwater, the infiltration rate to the ground may be reduced and
the hydrological flow of underground water may also be potentially
interrupted by the foundation of the proposed platform. The amount
of surface runoff may also increase from the additional paved
area.
2.4.2.4 Hence, the current foundation design has been adjusted
to use bored piles of about 0.6m in diameter and the spacing
between each pile would be approximately 3.5 5m. As compared to
other foundation designs such as (Diaphragm wall) D-wall or
pipepiles, the proposed
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
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small diameter bored pile system would allow a notional free
area of about 87 91% for groundwater to pass through.
2.4.2.5 In addition, for the increase in surface runoff which
may result in potential for soil erosion, energy dissipaters would
be installed at the seasonally wet watercourses downstream, which
comprises of a number of concrete steps to allow water velocity to
decelerate.
2.4.2.6 With full implementation of the mitigation measures, no
adverse residual and cumulative impacts are anticipated during the
operational phase of the Project.
2.5 Waste Management 2.5.1 Construction Phase
2.5.1.1 Potential waste management implications from the
generation of waste during the construction phase have been
evaluated. Measures, including the opportunity for on-site sorting,
reusing construction and demolition (C&D) materials etc., are
devised in the construction methodology to minimise the surplus
materials to be disposed. Recommendations have been made for
implementation by the Contractor during the construction period to
minimise waste generation and off-site disposal. The disposal
quantities for C&D materials and their disposal methods have
also been assessed.
2.5.1.2 A stockpile area will be located within the site during
construction phase for temporary storage of inert C&D
materials. The stockpile area is about 9,000m at the platform
+50mPD at middle portion of C&C facilities, and the approximate
height of the stockpile would be about 1m.
2.5.1.3 All C&D materials arising from the construction
would be sorted on-site to recover the inert C&D materials and
reusable and recyclable materials prior to disposal off-site.
2.5.1.4 It is estimated that a total of 894,000m3 of inert
C&D materials would be generated from the Project. 412,200m3 of
the generated inert C&D materials would be reused on-site and
the remaining 481,800m3 would be reused in other concurrent
projects.
2.5.2 Operational Phase
2.5.2.1 It is anticipated that only an insignificant amount of
general refuse would be generated during the operational phase from
the routine road cleaning activities along the roads network for
the C&C facilities and Lin Ma Hang Road.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
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2.6 Land Contamination
2.6.1.1 A land contamination assessment has been conducted to
examine the potential contaminative land uses within the area and
their potential impacts to future use.
2.6.1.2 Based on the findings in desktop study and site survey,
one potentially contaminated site (SRC-1) within the assessment
area has been identified. According to the latest land resumption
programme as advised by Engineer, only the western portion of SRC-1
with an area of approximate 1,200m2 inside private lot would
require land resumption for the road widening work at Sha Ling Road
and utilities construction works nearby. For the portion of the
site (about 620m2) which falls within government lot (to the
southeast of SRC-1), only paved ground was observed and neither
concrete and asphalt production nor open storage activities were
observed during the site survey. In addition, review of historical
aerial photos (since Year 1973) also revealed no sign of land
contamination. As such, SI is considered not required for this
strip of land and the necessity of SI should focus on the western
portion of SRC-1 once the land is resumed and free for access.
2.6.1.3 Since approximate 92 % of the site (about 7,700m2) is
located within a private land lot and it is currently under
operation, it is recommended that re-appraisal should be carried
out by the Project Proponent (PP) once the works area for the
Project is confirmed and site access is available (e.g. after land
resumption), in order to identify any hot spots for SI within the
southeast and western portions of SRC-1. Should the findings of the
re-appraisal identify signs of land contamination potential, the PP
would need to prepare a Contamination Assessment Plan (CAP)
presenting the findings of the re-appraisal and strategy of the
recommended SI, if required, and submit to EPD for review and
approval.
2.6.1.4 Following the submission of Contamination Assessment
Plan (CAP), if required, a Contamination Assessment Report (CAR)
needs to be prepared to present the findings and evaluate the level
and extent of potential contamination. If land contamination is
identified and remediation is required, a Remediation Action Plan
(RAP) will be prepared to recommend specific remediation measures.
Upon completion of the remediation works, if any, a Remediation
Report (RR) that demonstrates the clean-up works are adequate would
also be prepared. CAR, RAP and RR would be submitted to EPD for
approval prior to commencement of any construction.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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SUMMARY_20160314_V2.DOCX Page 18
2.7 Ecology
2.7.1.1 Nine months survey has been carried out within 500m of
the Project boundary including Sandy Ridge, Man Kam To Road, Sha
Ling Road and Lin Ma Hang Road. The survey includes vegetation,
terrestrial mammals, avifauna (birds, egretry flight lines),
herpetofauna, odonata, butterflies and aquatic fauna, and based on
these surveys, habitat mapping is carried out.
2.7.1.2 Botanical species of conservation importance within the
Assessment Area include Aquilaria sinensis, Bamboo Orchid and
Toothed Habenaria. In addition, key faunal species of conservation
concern recorded from within, or close to, the Project boundary
include Two-striped Grass Frog, several grassland dependent
butterflies and the endemic freshwater crab Somaniathelphusa
zanklon.
2.7.1.3 The ecological baseline study has identified a number of
habitats and species of conservation importance. Construction and
operation of the Project will result in a range of ecological
impacts. The key habitat losses are as follows:
Permanent loss of 1.2ha of woodland (As discussed in Section
1.6, the affected woodland would be decreased from 2.0ha to 1.0ha
through the optimization of platform and road network, the
remaining 0.2ha is affected through Lin Ma Hang Road widening);
and
Permanent loss of 10.4ha of upland grassland.
2.7.1.4 Key mitigation measures are recommended as follows:
Regarding grassland reinstatement, it is proposed that by
collection of topsoil or turves from the development area and
storing these appropriately during the construction phase, these
can be established on the stabilising slopes once constructed, in
order to provide species diversity and composition to adjacent
habitats. Grassland reinstatement plan on the proposed cut-fill
slope will be confirmed with Environmental Protection Department
(EPD);
Flora survey of conservation importance and transplantation
plans for these species; and
Specific measures to prevent indirect impacts to the ecology of
the wetland system (seasonal watercourses, wet woodland, marsh and
mitigation wetlands) to the north of the Project site will be
developed at the detailed design stage in order to maintain
hydrological function and good water quality.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
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2.7.1.5 Woodland enhancement of about 0.6ha northwest and west
of the proposed columbarium to provide additional ecological
linkages between existing fragments of woodlands and increase
ecological function of the woodlands present.
2.8 Fisheries
2.8.1.1 The identified impacts on fisheries are expected to be
low. However, the good site practices during the construction phase
and operational phase to prevent water pollution has been
recommended.
2.9 Landscape and Visual 2.9.1.1 The proposed development and
associated works follow in principle
the planning intentions from the Approved Man Kam To Outline
Zoning Plan (No.S/NE-MKT/2) and Approved Fu Tei Au and Sha Ling
Outline Zoning Plan (No.S/NE-FTA/14). The proposed work will not
encroach onto any Amenity Area (A), Conservation Area (CA), and
Country Park (CP).
2.9.1.2 Based on the broad-brush tree survey report,
approximately 1,300 nos. of trees will be affected within the works
area. Due to construction of the site formation and associates road
widening works and footpath, it is unavoidably considered to remove
the affected trees. Affected trees with high to medium amenity
value and high to medium survival rate are proposed to be
transplanted as far as possible. Trees surveyed within the proposed
works boundary are primarily common species. There are no Leisure
and Cultural Services Department (LCSD) Registered Old and Valuable
Trees. Two mature trees and two rare species trees are found within
the works area. For the two mature trees, one of them are
unavoidably affected by the road works, and the other one will be
retained. The two rare species trees will be relocated as far as
possible and will be confirmed in technical feasibility assessments
later.
2.9.1.3 There are two number of Aquilaria sinensis (), which
listed under the Protection of Endangered Species of Animals and
Plants Ordinance (Cap. 586) are proposed to be relocated as far as
possible and will be confirmed in technical feasibility assessments
later. One number of mature Bombax ceiba () found within the works
area and will unavoidably be affected by the proposed new road and
viaduct section. As mentioned in Section 1.6, the alignment of the
proposed road and viaduct had considered the constraints of land
resumption, engineering technical feasibility, existing topography,
etc., the site formation layout and road alignment are considered
to be optimised.
2.9.1.4 As the principle of the project is to minimise the site
formation works and the trees affected, limited land will be
available for tree planting.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
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It is expected approximately 200 light standard sized trees will
be planted as compensatory tree planting at proposed slope with
gentler than 35 degree. Approximately 10 to 15 nos. of heavy
standard compensatory trees and whips planting will be planted
along Lin Ma Hang Road and approximately 130 nos. of heavy standard
sized trees will be planted within Sandy Ridge. In addition,
woodland mix species whips will be proposed along the hillsides for
the woodland compensation. Any other off-site compensatory planting
area will be further agreed with relevant government departments.
The overall residual impact on trees is considered as acceptable
with mitigation measures.
2.9.1.5 Some portion of shrubby grassland will be lost during
construction, however, it can be compensated by the mitigation
measures of slope greening.
2.9.1.6 Key mitigation measures such as tree planting and
woodland compensation, greening treatment on slope and retaining
wall, as well as silt traps on the design of road gullies for the
natural stream(s) will be applied.
2.9.1.7 The proposed works will cause slight adverse landscape
impact on the Hillside Woodland, Hillside Shrubby Grassland and
Plantation within Sandy Ridge area. In fact, the compensatory whips
planting will form as natural woodland during Year 10 operation
phase, and grass planting will be proposed on proposed soil filled
slope. It is considered that the overall residual landscape impact
at Year 10 operation is acceptable with mitigation measures.
2.9.1.8 The proposed site formation work is far away from
existing residential developments, it is considered that the
proposed works will only cause small to negligible visual impact to
most of the Visual Sensitive Receivers (VSRs). Only the VSRs
located close to the Sha Ling Road upgrading road section will
suffer more visual impact. Mitigation measures during construction
phase include screening of construction works by hoardings/noise
barriers in visually unobtrusive colours. It is considered that the
residual visual impact at Year 10 operation is acceptable with
mitigation measures.
2.9.1.9 The landscape and visual impact assessment has been
conducted according to the criteria and guidelines for evaluating
and assessing impacts as stated in Annex 10 and 18 of the TM-EIAO,
it is considered that the identified residual impacts, taking
account of both importance and degree of compliance, will be
acceptable with mitigation measures.
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Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
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2.10 Cultural Heritage 2.10.1 Construction Phase
2.10.1.1 As discussed in Section 1.6, all clan graves within the
original boundary of the platform would be avoided due to
optimization of platform / road network.
2.10.1.2 In addition, one Graded Historic Building, 11 Historic
Clan Graves and 7 Nil Grade Built Heritage items have been
identified. With the implementation vibration monitoring, provision
of buffer zone, protective covering, safe public access, etc,
adverse impacts during are not anticipated. For archaeology, an
Archaeological Watching Brief (AWB) Programme is recommended at the
south eastern foot slopes of Sandy Ridge, where a cultural deposit
without material findings was noticed.
2.10.1.3 Along Lin Ma Hang Road, it is recommended that the
engineer inform the Antiquities and Monuments Office (AMO) if any
antiquities or supposed antiquities are unearthed during the
construction phase. No adverse impacts are expected to arise from
the construction of the proposed C&C facilities at Sandy Ridge
or the road widening at Lin Ma Hang Road.
2.10.2 Operational Phase
2.10.2.1 No adverse impacts are expected to arise from the
operation of the proposed C&C facilities at Sandy Ridge or the
road widening at Lin Ma Hang Road.
2.11 Environmental Monitoring and Audit
2.11.1.1 An environmental monitoring and audit programme will be
implemented throughout the entire construction period to regularly
monitor the environmental impacts on the neighbouring sensitive
receivers. Any action required during the operational phase has
also been recommended for implementation.
2.11.1.2 The EM&A programme would include site inspection /
audit and monitoring for construction dust, odour, construction
airborne noise, operation airborne noise, water quality and
updating changes as necessary. Details of the recommended
mitigation measures, monitoring procedures and locations are
presented in a standalone EM&A Manual.
-
Civil Engineering and Development Department Agreement No. CE
1/2013 (CE) Site Formation and Associated Infrastructural Works for
Development of Columbarium, Crematorium and Related Facilities
at Sandy Ridge Cemetery Design and Construction Environmental
Impact Assessment Executive Summary
231448-REP-053-03 | Final | January 2016
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CEMETERY D&C\02 PROJECT ADMINISTRATION\FILING\4.3 OUTGOING
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SUMMARY_20160314_V2.DOCX Page 22
3 Conclusion
3.1.1.1 An EIA Report has been prepared to fulfil the
requirements as specified in the EIA Study Brief No. ESB-271/2014
and the TM-EIAO. All the current design information has been
incorporated in the EIA process. The aspects that have been
considered in the EIA Report include:
Alternative design and layout;
Alternative construction methods and sequence of works;
Air quality impact;
Noise impact;
Water Quality impact;
Waste management implications;
Land contamination impact;
Impact on ecology;
Impact on fisheries;
Landscape and visual impact;
Impact on cultural heritage; and
EM&A requirements.
3.1.1.2 The mitigation measures and monitoring and auditing
requirements are also proposed in the EIA report.
-
`
SHENZHEN SHI
SHAM CHUN RIVER (SHENZHEN HE)
Approximate Northern River Bank
CUL
Outfall
Cul
5.1
4.9
5.0
5.2
4.0
3.8
4.8
5.1
L
L
L
L
L
L
L
`
SHENZHEN SHI
20
6
8
40
6
60
6
6
40
20
4
60
6
40
20
6
4
`
SH
AM
CH
UN RIV
ER (S
HENZ
HEN
HE)
SEUNG MA LEI YUE
CUL
CUL
CUL
CUL
CUL
CUL
CUL
CUL
CUL
CUL
Burial Urns
CUL
CULCULCUL
CUL
G
CUL
G
CUL
G
G
G
G
GG
G
G
G
PO
Outfall
PO
PO
PO
5.5
4.9
4.3
4.5
6.2
3.9
5.5
4.6
4.4
5.4
5.3
4.7
5.2
5.0
5.0
5.4
4.7
5.55.6
4.74.7
5.8
2.8
5.4
5.1
5.8
12.7
6.0
4.7
20.2
5.7
9.627.4
6.2
4.5
13.3
20.6
6.1
35.5
27.5
50.5
5.6
4.7
5.558.7
65.5
3.5 35.843.1
4.4
50.9
16.3
72.9
3.8
18.9 17.0
8.93.0
9.1
13.6
11.2
3.3
55.2
16.13.7
4.1
14.2
53.6
3.4
55.23.5
4.814.2
19.5
6.9
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RPlatfor
m
Lo
Wu Public
School
Lo Wu Station
45
16
39
40
37
15
34
35
26
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18
19
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31
21
3
24
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6
42
14
5
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6
20
20
20
40
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x
`
SHENZHEN SHI
SHAM
CHU
N RI
VER (
SHEN
ZHEN H
E)
BasketballCourt
SHAM CHUN RIVER (SHENZHEN HE)
ES
S
LO WU
Appro
ximate N
orthern R
iver Bank
Appr
oxim
ate
Northern River B
ank
CUL
WIPNov2012
G
CUL
K]
Outfall
Outfall
PO
6.7
5.5
15.0
4.5
11.2
5.6
4.77.9
12.0
20.6
11.8
10.8
25.012.0
5.5
6.4
21.2
35.4
6.26.4
6.3
6.4
17.65.6
23.0
5.1
6.3
7.3
5.4
8.1
5.2
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FP
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100
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120
100
120
140
100
140
160
100
120
x
P
SHEUNG MA LEI YU(LECKY PASS)
Liu Pok
Basketball Court
Liu PokPlayground
G
Graves
G
Graves
GravesBurialUrnsCUL
CUL
Burial Urns
WT
G
G
G
G
U
G
U
U
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SHR
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36.5
4.14.1 5.7
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4.1
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18.111.1
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28.2
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13.4
18.1
10.66.138.6
9.0 18.7
19.0 25.0
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6.3 10.7
6.76.1
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7.29.5
15.6
20.4
12.6
6.2
22.1
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18.6
22.5
12.08.8
17.5 20.87.0
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18.88.219.115.6
9.0
10.2
10.0
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10.6
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8.8
34.99.6
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27.2
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63.021.132.4
23.7
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32.6
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34.723.2
64.338.0
34.6
76.0
22.9
77.749.5
42.636.1
42.5
62.082.7
59.7
76.6
70.2
75.8
75.5
77.0
79.1
55.0
60.7
60.0
66.0
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81.2
85.672.2
84.0
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74.4
96.1
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121.6
122.6
122.9
122.6
141.4
127.1
127.0
141.3
141.9
104.6
152.0
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OK 1S
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OK 2
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ANE
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OK 3
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ANE
LIU P
OK 4
TH L
ANE
LIU P
OK 5
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ANE
LIU POK
6TH L
ANE
LIU P
OK 7
TH L
ANE
LIU P
OK 8
TH L
ANE
LIU P
OK 9
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ANE
LIU P
OK 10
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ANE
LIU P
OK 11
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ANE
LIU P
OK 12
TH L
ANE
P
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d
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Ra
mp
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ad
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Platfor
m
Platfor
m
TS
Platfor
m
R
TS
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TS
TSTS
TS
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m
Platform
TS
TS
R
TS
TS
TS
Lo Wu Document Storage Building
13
1
10612
7
20-21
30
8
52
9
24
27
25
28 4
2629
32316
3A
11
19
22
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40
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14
20
100
40
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20
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60
60
40
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6
4
100
40
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o
o
F-
TAK YUET LAU
NG
TU
NG
RIV
ER (RIV
ER IN
DU
S)
Tak Yuet L
au
Flood Shelter
ESS
Sandy Ridge Urn Cemetery
SHEK MA
NG
TU
NG
RIV
ER (RIV
ER IN
DU
S)
CUL
CULARC
H
Graves
CUL CUL
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CULCUL
CULCUL
CULCULWT
GravesCUL
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CUL
CUL
CUL
CUL
G
GravesCUL
CUL
CUL
CUL
Graves
Pipeline
G Pipeli
ne
G
G
WT
WT
CULCUL
CUL
GravesCUL
G
Graves
CUL
G
G
G
U
GG
G
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G
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G
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GG
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W
W
CUL
CUL
K]
K]
K]
K
K
K
MT
R (East Rail L
ine)
MT
R (East Rail L
ine)
MT
R (East Rail Line)
Railw
ay
Railw
ay
Railw
ay
PO
PO
PO
PO
PO
6.7
7.7
7.6 6.3
4.2
10.7
10.7
6.6
12.7
8.0
13.9
13.14.2
13.5
15.6
4.013.1
17.5
15.5
6.0
13.0
15.58.0
116.921.4
16.519.1
5.4
6.3
17.7
15.5
27.7
25.2
7.9
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16.5
6.1
25.730.5
6.9
28.8
4.2
7.8
6.3
7.2
4.2
69.9
6.2
7.7
77.6
7.2
6.0
6.1
7.84.1 8.1
11.4
7.1 21.4
4.1
6.1
9.2
7.2
6.85.0
8.2
6.1
6.894.6
6.8
16.9
4.4
7.1
8.5
7.03.0
9.2
2.9
6.9
8.6
3.06.3
3.1
4.1
7.0
17.4
34.4
7.04.1
2.9
6.8
7.1
26.4
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FP
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FP
FP
FP
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FP
FP
Subway
FP
FP
FP
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FP
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ay
FP
FP
Road
FP
Track
Track
FP
FP
FP
Road
FP
FP
FP
FP
Road
FP
FP
180
100
120
160
140
140
160
180
120
100
80
140
120
100
140 120
140
100
120
80
100
80
60
160
120
14
0
100
120
100
80
80
gm@ (
j
gm@
g
m
@
(
g
m@
(
HL
Firing Area E (Lo Wu Classification Range)
CREST HILL
(TAI SHEK MO)
Firin
g
Area
E (Lo
Wu
Classific
atio
n
Range)
Firing Area E (Lo Wu Classification Range)
Firin
g Ar
ea E (L
o Wu
Classificatio
n Ra
nge)
Cable trench
G
G
GG
126.5
183.0
178.6
152.7
182.8
148.5
148.2
151.6
181.2
154.1
144.3
141.3
131.8
173.2
123.2
116.9
106.4
93.5
156.9
82.6
155.5
159.4
154.3
153.8
151.2
152.8
147.9
149.3
102.5
155.6
87.5
164.0
74.3
ET
E
D
D
FP
F
P
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FP
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FP
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FP
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TS
R
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40
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40
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20
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8
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20
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40
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x
Ngam Pin
NG
TU
NG
RIV
ER (RIV
ER IN
DU
S)
PAI TAU LO(VERNON PASS)
BasketballCourt
CUL
CULW
T
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G
G
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R
K]
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MT
R (East Rail Line)
MT
R (East Rail Line)
PO
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POPO
PO
PO
Outfall
PO
PO
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PO
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Outfall
4.26.2
7.09.9
4.1
7.0
5.7
7.0
4.1
7.8
16.0
6.8
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6.1
11.2
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6.9
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5.5
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6.1
6.9
6.3
25.6
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22.322.4
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ck
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ck
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ck
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-
Muk Wu No.3Raw Water
Pumping Station
`
SH
AM
CH
UN
RIV
ER (S
HE
NZ
HE
N
HE)
ESS
Appro
xim
ate Nort
hern River
Bank
CUL
CUL
Receptio
n
Tank
CUL
CUL
CUL
CUL
CUL
CUL
CULCUL
CUL
CUL
WT
Outfall
6.26.7
6.7
4.6
6.5
6.8
4.5
7.0
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6.3 7.4
4.4
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4.5
4.7
7.1
4.66.76.5
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3.6
5.0
10.210.2
7.3
4.3
3.44.6
6.9
4.7
3.1
7.0
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vated
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TS TSTS
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R
TSTS
R
R
R R TS
TS
G-
Switch
Gear
House
Muk Wu No.2 Raw WaterPumping Station
11
6
7
8
5
9
10
12
13
18-20
17
18
23
21
25
22
26
27
28
102-10
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101
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115
58
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20
`
`
t
-
SHENZHEN SHI
SH
AM
CH
UN RIV
ER (S
HENZ
HEN
HE)
Muk Wu Nga Yiu
Service Reservoir
Muk WuMUK WUB AND C RAW WATERPUMPING STATION
Muk Wu Nga Yiu
Approximate Northern River Bank
WIP
Jan 2013
CUL CUL
SHR
CUL
CUL
CUL
CUL
CUL
WT CULCU
L
WTCUL
CUL
Bala
nce
Tank
CUL
CUL
CUL
CUL
Receptio
n
Tank
Receptio
n
Tank SHR
TankTank
Tank
CUL
G
G
W
W
W
W
PO
PO
PO
PO
PO
PO
POPO
3.7
6.5
6.7
4.7
6.7
6.7
6.6
4.6
6.7
6.9
4.7
7.3
7.04.2
5.911.4
6.9
4.8
4.3
4.3
7.67.1
6.5 6.8
4.14.26.7
4.7
3.7
6.75.65.8
5.1 4.36.7
5.9
7.25.9
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5.2 4.0
3.8
5.45.2
5.2
6.96.73.8
6.86.55.5
3.3 4.4
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