Ministry of Water Resources and Meteorology (MOWRAM) Asian Development Bank Cambodia Flood Damage Emergency Reconstruction Project – Output 3: Irrigation and Flood Control ADB Loan Number : 2852-CAM(SF) AusAID Grant Number: 0285-CAM(EF) SUB-PROJECT PROFILE O THNOT Version 1 OCTOBER 2012 30 October 2012 In association with KEY CONSULTANTS (CAMBODIA)
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Ministry of Water Resourcesand Meteorology (MOWRAM)
Asian Development Bank Cambodia
Flood Damage Emergency Reconstruction Project– Output 3: Irrigation and Flood ControlADB Loan Number : 2852-CAM(SF)
AusAID Grant Number: 0285-CAM(EF)
SUB-PROJECT PROFILE
O THNOT
Version 1
OCTOBER 2012
30 October 2012
In association with
KEY CONSULTANTS (CAMBODIA)
Egis Eau Document quality information
Flood Damage Emergency Reconstruction Project – Output 3: Irrigation and Flood Control Page 3Version 1
Document quality information
General information
Author(s) FDERP-MOWRAM TA; EGIS EAU / KCC
Project name Flood Damage Emergency Reconstruction Project – Output 3: Irrigationand Flood Control
Document name O THNOT SUB-PROJECT PROFILE
Date 30 October 2012
Reference FDERP-SPP-04-1012
Addressee(s)
Sent to:
Name Organisation Sent on (date):
H.E. Ponh Sachak PIU 30 October 2012
Copy to:
Name Organisation Sent on (date):
PCMU
ADB
History of modifications
Version Date Written by Approved & signed by:
Mark Schiele, Team Leader
Egis Eau Contents
Flood Damage Emergency Reconstruction Project – Output 3: Irrigation and Flood Control Page 4Version 1
1. Description and history ......................................................................102. Location ...............................................................................................103. Existing Situation ................................................................................13
3.1. Description of the facilities ........................................................................... 13
3.2. State of repair............................................................................................... 13
3.3. Socio-economic and Agriculture .................................................................. 133.3.1. Area............................................................................................................... 13
3.3.2. Population and Beneficiaries ......................................................................... 13
Appendix 2 Screening of potential environmental impacts
O Thnot sub-project
Screening Questions Yes No Remarks
A. PROJECT SITING
IS THE PROJECT AREA ADJACENT TO OR WITHINANY OF THE FOLLOWING
ENVIRONMENTALLY SENSITIVE AREAS?
PROTECTED AREAX No cultural heritage sites are
adjacent to or within the
subprojects area
WETLANDX There are no environmentally
sensitive areas within the
subproject area. MANGROVE X
ESTUARINE X
BUFFER ZONE OF PROTECTED AREA X
SPECIAL AREA FOR PROTECTINGBIODIVERSITY X
B. POTENTIAL ENVIRONMENTAL IMPACTS
WILL THE PROJECT CAUSE…
loss of precious ecological values (e.g. result ofencroachment into forests/swamplands orhistorical/cultural buildings/areas, disruption ofhydrology of natural waterways, regional flooding,and drainage hazards)?
X No loss in ecological values as the
subproject is to repair the existing
dyke to the pre-flood conditions
within existing. The work scope
calls for additional drainage outlet
gate
conflicts in water supply rights and related socialconflicts? X Not a water use scheme but flood
protection. No social conflicts
expected.
impediments to movements of people and animals?X Minor impediment expected for
dyke/road rehabilitation. If
necessary temporary bypass will
be provided to local people and
animal passage during
construction and as specified in
contract documents
potential ecological problems due to increased soilerosion and siltation, leading to decreased streamcapacity?
soil pollution, polluted farm runoff and groundwater,and public health risks due to excessive applicationof fertilizers and pesticides?
X No change compared to pre-flood
conditions.
soil erosion (furrow, surface)?X Bunded rice paddy flooding will be
practiced on land without slope in
lowland agricultural areas. No
change from pre-flood conditions.
scouring of canals?X Not applicable _ no canals
clogging of canals by sediments?X No canals and the repair works will
not affect the existing pre-flood
conditions of the agricultural areas.
Designs call for grass sodding of
dyke embankments.
clogging of canals by weeds?X No clogging of channels is
expected as the repair works will
not affect the existing pre-flood
conditions. The channels are dry in
dry season. Vegetation is fed to
animals. O&M procedures are
included in FWUC strengthening
plan.
seawater intrusion into downstream freshwatersystems? X Not applicable.
introduction of increase in incidence of waterborne orwater related diseases? X The reconstruction works are to
restore the existing embankment to
the pre-flood conditions.
dangers to a safe and healthy working environmentdue to physical, chemical and biological hazardsduring project construction and operation?
X Contractor is obliged to conform to
safety standards for protection of
public and workers through a
Health Safety Plan. No chemical,
biological and radiological hazards
are expected during construction
and operation. Only natural
materials such as soils or laterites
will be used. No chemicals will be
used.
large population influx during project construction andoperation that causes increased burden on socialinfrastructure and services (such as water supply andsanitation systems)?
X The number of non-local workers
will be small in number. If
necessary, construction
contractors will be required to
provide a worker’s camp with
independent basic facilities.
social conflicts if workers from other regions orcountries are hired? X Priority in labour employment will
risks to community health and safety due to thetransport, storage, and use and/or disposal ofmaterials such as explosives, fuel and otherchemicals during construction and operation?
X No explosives and chemicals will
be used for the subprojects.
community safety risks due to both accidental andnatural hazards, especially where the structuralelements or components of the project (e.g.,irrigation dams) are accessible to members of theaffected community or where their failure could resultin injury to the community throughout projectconstruction, operation and decommissioning?
X Construction area will be clearly
demarcated and access controlled.
Only workers and project staff will
be allowed to enter the operational
sites. The emergency
reconstruction works are of small
scale
Climate Change and Disaster Risk Questions
The following questions are not for environmental
categorization. They are included in this checklist to
help identify potential climate and disaster risks.
Yes No Remarks
Is the Project area subject to hazards such asearthquakes, floods, landslides, tropical cyclonewinds, storm surges, tsunami or volcanic eruptionsand climate changes?
X Not Applicable
Could changes in temperature, precipitation, orextreme events patterns over the Project lifespanaffect technical or financial sustainability (e.g.,increased glacial melt affect delivery volumes ofirrigated water; sea level rise increases salinitygradient such that source water cannot be used forsome or all of the year)?
X Not Applicable
Are there any demographic or socio-economicaspects of the Project area that are alreadyvulnerable (e.g., high incidence of marginalizedpopulations, rural-urban migrants, illegal settlements,ethnic minorities, women or children)?
X Not Applicable
Could the Project potentially increase the climate ordisaster vulnerability of the surrounding area (e.g., bydiverting water in rivers that further increases salinityupstream, or encouraging settlement in earthquakezones)?
X Not Applicable
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Appendix 3 Longitudinal profile and cross-section of dyke (O Thnot)
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1.Pre-Construction Detailed Engineering Design 1) Loss of trees (during site
clearing and quarrying of
construction materials)
On the design stage, ensure that there areacceptable alternative borrow pit areas thatwould have an overall beneficial advantage interms of improved livelihood and reducedenvironmental impact.
TA Consultant, IA/EA TA Consultant, IA/EA,
CSC (FWUC)
2) Damage to existing structures The design should maximize benefits or avoidimpacts on assets. Resettlement framework forthe Project and Cambodian laws, policies, andregulations should be complied with.
TA Consultant, IA/EA TA Consultant, IA/EA,
CSC (FWUC)
3) Risk of land mine or UXO Consultative meetings with local communitiesare necessary to know clearly where there arerisks of mines or UXO. Unsafe areas should becleared before project implementation.
TA Consultant, IA/EA TA Consultant, IA/EA,
CSC (FWUC)
2. Construction Earthworks, site clearing,
hauling of construction
materials, piling works,
Operation of construction/
workers’ camps, borrow
operation, hauling of
construction wastes to spoil
sites
4) Dust generation The Contractor will be required to formulate andimplement a Dust Abatement Program thatincludes spraying of water on embankment/dykeused as roads and work areas within villagesclose to the road.
Vehicles transporting materials should becovered with tarpaulin or similar material
Contractor TA Consultant, IA/EA,
CSC (FWUC)
5) Noise and vibration The Contractor should ensure that constructionactivities within 100m of a village or town shouldbe limited between 12 PM to 2 PM and at night
Contractor TA Consultant, IA/EA,
CSC (FWUC)
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Provide enclosures/barriers on major worksbeing undertaken on sensitive areas.
6) Water contamination Waste/used oil should be collected, properlystored and disposed to an approved site(according to national standard). Storage shouldbe in drums raised off the ground and properlycovered to keep rain water out. Lining or panshould be provided to contain any spills andsimplify clean up.
The Contractor shall prepare a SpillManagement Plan (including measures to betaken and equipment to be used) to ensureadequate cleanup of any spills.
Contractor TA Consultant, IA/EA,
CSC (FWUC)
7) Water-borne disease Fill-up depressed areas to prevent water pondingwhich may be used as breeding ground fordisease- carrying organisms mosquitoes
Borrow pits may be utilized for aquaculture or bedeveloped as water reservoir for community use.
Contractor TA Consultant, IA/EA,
CSC (FWUC)
8) Loss of agricultural land for
borrow pits
The contractor will use only licensed borrowoperators. There will be no side borrowpermitted, unless agreed to withembankment/dyke side residents.
The contractor will be responsible forrehabilitating any borrow sites opened and
Contractor TA Consultant, IA/EA,
CSC (FWUC)
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9) Loss of trees Tree clearing should be avoided as much aspossible;
The borrow pits will need to be re-vegetatedbefore being handed back to the owner, or couldbe used for aquaculture.
Tree planting should be carried out in theappropriate location of the embankment/dyke.Coordinate with MoE regarding the species oftrees to be used.
Contractor TA Consultant, IA/EA,
CSC (FWUC)
10) Soil erosion The contractor will be required to implement soilerosion control to minimize soil erosion andsedimentation of waterways. The alternativeapproaches should be: (1) provide adequatecross drainage to avoid over flow or flooding and(2) re-vegetation of erosion-prone areas.
Contractor TA Consultant, IA/EA,
CSC (FWUC)
11) Generation of domestic wastes Sufficient garbage containers should be providedin construction camps and work sites
Employ regular disposal of waste in an approvedlandfill or site
Maintain cleanliness/orderliness at camps andwork sites
Contractor TA Consultant, IA/EA
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The Contractor should formulate and implementa Health and Safety Plan to protect both thepublic and the workers. A trained first aidpersonnel and health facility should be providedon site.
Provide potable water and sanitary facilities toworkers
Install warning signs like “safety first” at theconstruction area including fences or enclosures
Provide Protective Personal Equipment (PPE) toworkers e.g. safety shoes, hardhats, earplugs,etc.
The Contractor should implement a Health andSafety Plan to protect both the public and theworkers during cutting branch of big trees.
Contractor TA Consultant, IA/EA
12) Traffic congestion Contractor should perform the following: i) orienttheir drivers or equipment operators to complywith the required speed limit. (ii) drive at lowspeeds, especially in market, school, hospital,urban areas. (iii) keep the roadway or bypassaccessible to commuters to avoid traffic jams.(iv) park at designated area.
Provide appropriate storage area for theconstruction materials.
Detour road should be provided and accessibleto commuters
Contractor/in
coordination with the sub-
district officials
TA Consultant, IA/EA
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