E921Volume 1
CAMBODIA: RURAL ELECTRICFICATION AND
TRANSMISSION PROJECT
ENVIRONMENTAL MANAGEMENT
PLAN
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CAMBODIA: RURAL ELECTRICFICATION AND TRANSMISSION PROJECTANNEX 12: ENVIRONMENTAL MANAGEMENT PLAN
A. 220 kV Interconnection to Vietnam (ADB Financed)A.1 109 km Transmission Line
A.1.1 Mitigation PlanEnsvironmental Issue Mitigating Measure Implementation
Responsibility|Construction
Loss of Tree Resources Trees that can survive pruning to <3 m will be Contractor*pruned
Vegetation to be cleared will be marked priorto clearance
Trees to remain are to be clearly marked
Vegetation to be removed manually, nopesticides to be used
Crop and Land Construction techniques and machinery Contractor*Disturbance selected to minimize disturbance
Construction timed to avoid disturbance ofcrops within one month of harvest whereverpossible
Existing roads/tracks to be used whereverpossible. When new access roads are to beconstructed alignment should cause minimumloss/damage and impact to local land usepattern.
Placement of fill in drains/canals notpermitted
Excavated soil (e.g. for tower footings)placed along roadsides or wherever requestedby landowners (no fees)
Concrete batching plants to be located onexisting disturbed/low productivity sites. Onlyofficially licensed plants permitted
Wildlife Impact: Trees up to 3 m retained in ROW Contractor*Habitat Loss
Trees that can survive pruning to <3 m will bepruned
Workers restricted from harvesting orcollecting wood/tree products
At thefreshwater swamp area specialprecautions are to be taken to avoid fish
spawning and waterfowl habitat areas.Air quality Concrete batching plants to be located Contractor*
downwind and away from inhabited areasSoil Erosion No significant activity during monsoon Contractor*
Groundcover to be left undisturbed as much aspossible
Trees cut only to ground level; treestumps/roots retained
Soil removed from tower foundationexcavation disposed in accordance with localcommunity (along roads or houses) anddisposal site revegetated
Water Quality and Soil Fuel or hazardous materials securely stored at Contractor*Contamination least 20m from any surface water and above eA
flood level
Proper wastewater treatment, water supplyand waste disposal facilities for workforce
Noise Activities to be conducted during daytime Contractor*hours and local residents informed ofconstruction schedule
Cultural Resources Alignment should be designed to avoid areas Contractor*of cultural significance
Chance find procedures should be establishedand incorporated into construction contractbidding documents.
OperationWildlife Impact: Silhouettes of birds of prey attached to Contractor*Flight Death and conductors
ElectrocutionMarkers (e.g. colored balls) attached to wiresto improve bird visibility
Perch guards and/or conductor insulation
Screens to prevent monkeys/arboreal animalsfrom climbing towers
Telecommunication Design to comply with intemational standards Contractor*Interference for electromagnetic interference from AC
power lines
Bundle conductors to mitigate corona effect
Design and manufacture components to avoidhigh electrical stress
Public Health Design to meet international standards (IEC: Contractor*Intemational Electro-Technical Commission)for ground level exposure to electric andmagnetic fields
Worker/Public Safety All sites certified clear of UXO by Cambodian Contractor*Mine Clearance Authority, CMAC) prior to
construction
Signs and fences to prevent trespassingLoss of Agricultural Tower footing design should minimize Contractor*
Productivity permanent land use requirement, and shouldallow access for farning in and aroundfooting area.
* To be specified in the bid document
A.1.2 Monitoring PlanMonitoring Measurement Monitoring Monitoring MonitoringParameter Technique Location Frequency Responsibility
Construction
Loss of Tree Observation Along Daily EDCResources Right-of-Way Environment
Office in PMUCrop and Land Observation Along Daily EDC
Disturbance Right-of-Way EnvironmentI _______________ Office in PM U
Wildlife Impact: Observation Along Daily EDCHabitat Loss Right-of-Way Environment
.__ ___ __ __Office in PMUAir quality Observation Concrete Once, when Site Engineer
batching plant is builtplant location
Soil Erosion Observation Along Once/week EDCRight-of-Way and after Environment
rainstorm Office in PMUWater Quality and Observation Along Daily EDC SiteSoil Contamination Right-of-Way Engineer in
PMUNoise Observation Along Daily EDC Site
Right-of-Way Engineer inPMU
Cultural Resources Observation Along Daily EDC SiteRight-of-Way Engineer in
PMU
OperationWildlife Impact: Observation On Once, after EDC SiteFlight Death and transmission construction Engineer in
Electrocution lines andlor PMUtowers
Telecommunication Observation Along Once, after EDC SiteInterference Right-of-Way construction Engineer in
PMUPublic Health Electric and Along Once, after Contractor
magnetic field Right-of-Way line is hired by EDCmeasurement energized
Worker/Public Contractor will be required to receive CMAC certification that theSafety work area is mine free prior to the start of any construction
Loss of Observation At tower During EDC SiteAgricultural footings construction Engineer inProductivity and after PMiU
completion
A.1.3 Institutional Strengthening
Training
The Contractor is to provide training to EDC PMU Environmental Office staff forone month, in Cambodia, for one month in:
environmental planningenvironmental impact assessmentenvironmental monitoringenvironmental impacts and effectsenvironmental data analysis
In addition, the Contractor, is to provide a one week study tour to EDC PMNUEnvironrmental Office staff in his home country.
Design and construction contractor to prepare an occupational health and safetyplan and provide training to all staff prior to their starting any work assignmen
...
A.2 West Phnom Penh SubstationA.2.1 Mitigation Plan
Environmental Issue Mitigating Measure ImplementationResponsibility
ConstructionErosion Embankments covered with topsoil and Design and Construction
planted with cover and fenced to prevent Contractor*grazing
Borrow pits to be rehabilitated andrevegetated
Water Qualitv and Soil Site prepared above I in 10 year flood Design and Construction
Contamination Contractor*Transformners sited in impervious andbunded areas for 110% of oil capacity andreserve tanks
Drainage traps with oiU'water separatorsinstalled
Proper wastewater treatment, watersupply and waste disposal facilities forworkforce
Hazardous Materials PCBs are prohibited from use Design and ConstructionContractor*/EDC
Worker/Public Safety Site certified clear of UXO prior to Contractor required toconstruction received CMAC
clearance*
OperationPublic Safety Proper design to limit lightning strike Design Consultant/PMU
Noise Setback of housing in accordance with Design Consultant/PMUCambodian and World Bank noisestandards/guidelines
Electric and magnetic Setback of housing in accordance with EDC/PMUfield IRPA/INIRC standards to minimize
electric and magnetic field exposure (6-7meters, minimum)
To be specified in the bid document
A.2.2 Monitoring PlanMonitoring Measurement Monitoring Monitoring MonitoringParameter Technique Location Frequency Responsibility
ConstructionErosion Observation At substation Once/week and EDC
site after rain EnvironmentOffice in PMU
Water Quality Observation At substation Daily EDCand Soil site Environment
Contamination Office in PMUHazardous Supplier At substation Once, when EDCMaterials certification that site transformer is Environment
PCB content of delivered Office in PMUtransformer oil is
zeroWorker/Public
Safety* Mines CMAC Project CMAC EDC
certification for construction establishes Environmentmines area frequency Office in PMU
* Housing Observation Vicinity of Once, before EDCsetback project construction Environment
construction Office in PMUarea
OperationPublic Safety Observation Substation Once, after PMU Site
(Lightning strike construction Engineerdesign) l
Noise Observation Substation and Once, during PMU Sitein vicinity of commissioning Engineerlocal residents
Electric and Electric and Along Once, after Contractor hiredMagnetic Field magnetic field Right-of-Way substation is by EDC
measurement energized
A.2.3 Institutional Strengthening
Presented in Section A. 1.3, above
A.3 Takeo Substation
A.3.1 Mitigation PlanEnvironmental Issue Mitigating Measure Implementation
ResponsibilityConstruction
Erosion Embankments covered with topsoil and Design and Constructionplanted with cover and fenced to prevent Contractor*grazing
Borrow pits to be rehabilitated andrevegetated
Water Quality and Soil Site prepared above I in 10 year flood Design and ConstructionContamination Contractor*
Transformers sited in impervious andbunded areas for 110% of oil capacity andreserve tanks
Drainage traps with oil/water separatorsinstalled
Proper wastewater treatment, watersupply and waste disposal facilities forworkforce
Hazardous Materials PCBs are prohibited from use Design and ConstructionContractor*lEDC
Worker/Public Safety Site certified clear of UXO prior to Contractor required toconstruction received CMAC
clearance*Operation
Public Safetv Proper design to limit lightning strike Design Consultant/PMU
Noise Setback of housing in accordance with Design ConsultantlPMUCambodian and World Bank noisestandards/guidelines
Electric and magnetic Setback of housing in accordance with EDC[PMUfield IRPA/INIRC standards to minimize
electric and magnetic field exposure (6-7meters, minimum)
* To be specified in the bid document
A.3.2 Monitoring PlanMonitoring Measurement Monitoring Monitoring MonitoringParameter Technique Location Frequency Responsibility
ConstructionErosion Observation At substation Once/week EDC
site and after rain EnvironmentOffice in PMU
Water Quality Observation At substation Daily EDCand Soil site Environment
Contamination Office in PMUHazardous Supplier At substation Once, when EDCMaterials certification site transformer is Environment
that PCB delivered Office in PMUcontent of
transformer oilis zero _ _ __
WorkerlPublicSafety* Mines CMAC Project CNIAC EDC
certification for construction establishes Environmentmines area frequency Office in PNMU
* Housing Observation Vicinity of Once, before EDCsetback project construction Environment
construction Office in PMUarea ._
OperationPublic Safety Observation Substation Once, after PMU Site
(Lightning construction Engineerstrike design)
Noise Observation Substation and Once, during PMU Sitein vicinity of commissioning Engineer
local residentsElectric and Electric and Along Once, after Contractor hired
Magnetic Field magnetic field Right-of-Way substation is by EDCmeasurement energized .__ _
A.3.3 Institutional Strengthening
Presented in Section A. 1.3, above
Institutional Arrangements for Environmental Management
Institutional arrangements for environmental management of the three projectcomponents consisting of: 109 km Transmission Line (A.1), West Phnom Penh
Substation (A.2), and Takeo Substation (A.3), will be conducted as follows:
The Environment Office in the EDC PMU will collect all monitoring data. The
data will be submitted to the Project Implementation Consultant environmentalexpert who will be responsible for analyzing the data. Consequently, the ProjectImplementation Consultant will prepare a quarterly monitoring report to thePMU. The PMU then, submits this report to EDC management with anyrecommendations. EDC Management will then instruct the PMU regarding any
further actions.
If a serious environmental issues is identified which requires immediate action,the Project Implementation Consultant directly informs the PMU EnvironmentOffice who contacts EDC management immediately.
B. 115 kV Transmission System ReinforcementB. 1 Mitigation PlanEnvironmental Issue MIitigating Measure Implementation
ResponsibilityConstruction
Dust Wet surfaces during hot, dry and/or Contractor*windy conditions
Noise Limit construction activities to daytime Contractor*hours. If nighttime construction isnecessary, local population will benotified in advance
Disruption of traffic Place waming signs at appropriate Contractor*patterns locations
Consult with local population well inadvance of construction activity
Land use at new pole Design to minimize pole footprint Design consultantplacements
Hazardous Materials No PCBs to be used for substation Contractor*transformers or any other electricalequipment (specify in bid documents)
OperationElectric and Magnetic Design to meet standards Design consultant
Fields I*To be specified in the bid document
B.2 Monitoring PlanMonitoring Measurement Monitoring 1 Monitoring Monitoring
Parameter Technique Location Frequency Responsibility
Construction
Dust Observation Construction Dry, windy Environment Office of EDC._______________ site weather PMU
Noise Observation Construction Daily Environment Office of EDCsite PMU
Disruption of Observation Construction Once EDC PMU Site Engineertraffic site
patternsLand use at Observation Construction During EDC PMU Site Engineer
new pole site constructionplacements and after
completionHazardous Receipt of EDC office of Once, during DesignMaterials certification PMU tender Consultant/Environment
that any procedure Office of PMUequipment is
free from PCBs
Operation
Electric and Electric and Along Once, after Contractor hired by EDCMagnetic magnetic field Right-of-Way line is
Fields measurement energized
B.3 Institutional StrengtheningPresented in Section A.1.3, above
Institutional Arrangements for Environmental Mtanagement
Institutional arrangements for environmental management of the 115 kVTransmission System Reinforcement will be the same as described above for thethree project components consisting of: 109 km Transmission Line (A.1), WestPhnom Penh Substation (A.2), and Takeo Substation (A.3).
EdC Rural Electrification (RE)
C.1 Grid ExtensionExtension Criteria-General
Non-urban areas not provided with electricity by EDC or MIME
Villages within 40 km surrounding EDC's distribution grid
Villages with reasonable access to roads, population already living alongside the road(for ease of installation/operation/maintenance)
Villages where population is make a partial contribution to electrification and can paytheir electric bills
Villages that have development potential/income generating opportunities (agriculture,forestry, handicrafts, etc.) and need electricity to develop this potential
Villages where electrification investments will support Government programs to haltinternal migration, reduce nomadic farming and deforestation, or assist commune/villagedevelopment
Villages which are included in the list of other development assistance programs orprojects for developing infrastructure such as: transportation, water supply, health clinics,schools, etc.
Likely elements:Grid extension could involved construction activities which include: (a) transformers, (b)poles, and other supporting mechanisms, (c) conductors and (d) electricity meters
Environmental Checklist CriteriaIf any of the following factors are considered significant, an Environmental ManagementPlan (EMP, see format below) should be prepared.
* Change in land use or land surface contours (altering runoff patterns)* Possible use of herbicides to keep area free of vegetation (usually for fire
control)* Possible use of PCBs (transformers or capacitors)* Soil erosion (land clearing)* Tree removal or pruning* Public exposure to electric and magnetic fields* Interference with local aesthetic characteristics* Permanent loss of productive land from support structure placement* Environmentally sensitive area involved (protected area, sensitive
ecosystems)* Culturally sensitive area involved (temples, historically/archaeologically
significant etc.)
* Access road construction* Potential impacts to air/water quality* Potential risk to public health/safety* Possible significant increase in noise levels during construction
Environmental Management Plan (EMP) Generic Form
Mitigation PlanEnvironmental Issue Mitigating Measure Implementation
_ ResponsibilityConstruction
Operation
Monitoring PlanMonitoring Measurement Monitoring Monitoring MonitoringParameter Technique Location Frequency ResponsibilityConstruction
Operation
Implementation Schedule: A brief schedule indicating the start and end of allmitigating and monitoring activities. The schedule should be integrated with theoverall implementation schedule of the specific grid extension activity.
Institutional Arrangements: The EMP will be prepared by the projectsponsor and submitted to the EDC PMU who will incorporate this informationinto their appraisal of the subproject and their overall decision to support theproject proposal.
C.2 Rural Electrification Fund
Environmental Screening CriteriaWill the project take place on a new or existing site?Will the impact on land/water affect the income or
lifestyle of any local people?Will the impact on air/land/water affect the localenvironment?Are there any impacts that affect a large region and/or
are long duration (months or years)?Will there be a potential impact to the health of local
people?
GENERIC ENVIRONMIENTAL MANAGEMENT PLANS
New Household Connected (Diesel)Mitigation Plan
Environmental Issue Mitigating Measure ImplementationResponsibility
ConstructNoise Limit construction activities to daytime Contractor*
hours. If necessary, nighttimeconstruction, but local population must be
informed %;Dust Water sprinkle site during hot, dry and or Contractor*
windy weatherSet up physical barriers around the
construction siteOperation
Noise Design plant to meet Cambodian or Design Contractor*international standards, specify standard
in equipment bid documentAir Emissions Design plant to meet Cambodian Design Contractor*
standards or World Bank guidelines(whichever is stricter), specify standardsin equipment bid document
Locate plant downwind and as far away Contractor*from residential areas as possible
Use low sulfur diesel fuels Power producer
* To be specified in bid document
Monitoring PlanMonitoring Measurement Monitoring Monitoring MonitoringParameter Technique | Location Frequency ResponsibilityConstruct
Noise Observation Construction Peak MIME-PMUcite construction Working Group
Residential activity orAreas residential
complaintsDust Visual Construction Hot, dry windy MIME-PMU
Site weather or Working Groupresidentialcomplaints
Operation
Noise Acoustimeter Construction Twice/year or MIME-PMUSite upon complaints Working Group
Residential of local residents (Office ofAreas Standards and
Efficiency)
Air Emissions Exhaust gas Diesel Exhaust Once/year MIME-PMNUanalyzer Working Group
(Office ofStandards and
Efficiency)
Mlini Hydro (0.75-5 MW)Mitigation Plan
Environmental Issue Mitigating Measure Implementationl_____________________ ___________________________________ Responsibility
Construction _Water quality Design site to minimize erosion/sediment Contractor*
runoff (management of drainage andrunoff)
Dust Spray dry surfaces during dry windy Contractor*weather
Site alteration Isolate borrow pits and rehabilitate after Contractor*(Borrow pits) construction
Hazardous materials Proper storage of chemical and fuels. Contractor*Limit access (keep locked)
Loss of rare and Identify critical habitats Contractor*, inendangered species Prepare habitat protection plan consultation with
Change project site Ministry of Environmentto approve
OperationChanges in water quality Air injection Power producer
(upstream and Remove vegetation prior to fillingdownstream)
Sediment Sediment bypass systems Power producertransport/erosion Flushing
DredgingDownstream/upstream If significant, change site Power producerhydrology change (or Downstream regulating ponds
flow regulation) impact Implement habitat protection planon aquatic
ecosystems/biodiversityand water usecharacteristics
Introduction of exotic Reduce water residence time Power producerpest species ___
* To be specified in bid document
Monitoring PlanMonitoring Measurement Monitoring Monitoring MonitoringParameter Technique Location Frequency ResponsibilityConstructionWater quality Turbidity meter Construction Once/month MIME-PMIU
(suspended solids) site/river or Working groupstream (MIME
Laboratorv)Dust Observation Construction Once/month MIME-PMU
site Working group(MIME
Laboratory)Site alteration Observation At Borrow Pit Once/month MIME-PMU
Working group(MIME
Laboratory)Hazardous materials Observation Construction Once/month MIME-PMU
site Working group(MIME
Laboratory)Loss of rare and Observation Construction Once/month MIME-PMU
endangered species site Working group(MIME
Laboratory)Operation
Changes in water PH, COD, TSS, Upstream and Once/month MIME-PMUquality (upstream and photometer downstream Working group
downstream) of dam (MIMELaboratory)
Sediment Turbidity meter Upstream Once/month MIME-PMUtransport/erosion Working group
(MIMELaboratory)
Downstream/upstream Observation Upstream and Quarterly MIME-PMUhydrology change (or downstream Working group
flow regulation) impact of dam (MIMEon aquatic Laboratory)
ecosystems/biodiversityand water usecharacteristics
Introduction of exotic Observation Upstream and Quarterly MIME-PMUpest species downstream Working group
of dam (MIMELaboratory)
Micro Hydro (avg. 50 kWV)Mitigation Plan
Environmental Issue Mitigating Measure ImplementationResponsibility
ConstructioniWater quality Design site to minimize erosion/sediment Contractor*
runoff (management of drainage andrunofl)
Hazardous materials Proper storage of chemical and fuels. Contractor*Limit access (keep locked)
Loss of rare and Identify critical habitats Ministry of Environmentendangered species Prepare habitat protection plan approval required from
Change project site Contractor*Operation
Changes in water quality Air injection Operator(upstream and Remove vegetation prior to fillingdownstream) Remove upstream pollution sources
Sediment Sediment bypass systems Operatortransport/erosion Flushing
DredgingDownstream/upstream If significant, change site Operatorhydrology change (or Downstream regulating ponds
flow regulation) impact Implement habitat protection planon aquatic
ecosystems/biodiversityand water usecharacteristics
Passage of aquatic Fish ladders Operatorspecies Elevators
Guidance systemsIntroduction of exotic Reduce water residence time Operator
pest species* To be specified in bid document
Monitoring Plan
Monitoring Measurement Monitoring Monitoring MonitoringParameter Technique | Location Frequency ResponsibilityConstructionWater quality Turbidity meter Construction Once/month MIME-PMU
(suspended solids) site/river or Working groupstream (MIME
Laboratory)Hazardous materials Observation Construction Once/month MIME-PMU
site Working group(MIMIE
Laboratory)Loss of rare and Observation Construction Once/month MIME-PMU
endangered species site Working group(MIME
Laboratory)Operation_
Changes in water PH, COD, TSS, Upstream and Once/month MIME-PMIUquality (upstream and photometer downstream Working group
downstream) of dam (MIMELaboratory)
Sediment Turbidity meter Upstream Once/month MIME-PMUtransport/erosion Working group
(MIMELaboratory)
Downstream/upstream Observation Upstream and Quarterly MIME-PMUhydrology change (or downstream Working group
flow regulation) impact of dam (MIMEon aquatic Laboratory)
ecosystems/biodiversityand water usecharacteristics
Introduction of exotic Observation Upstream and Quarterly MIME-PMUpest species downstream Working group
of dam (MIMELaboratory)
Solar Home SystemMitigation Plan
Environmental Issue Mitigating Measure Implementation__________________ _ _______________ ______R esponsibility
Operation
Disposal of spent Sell to scrap collector for recycling Solar power consumerbatteries, lead and acid
wastes
Monitoring PlanMonitoring Measurement Monitoring Monitoring MonitoringParameter Technique Location Frequency ResponsibilityOperationDisposal Observation At consumer site Twice/year MIME Working
Institutional Arrangements: The EMP will be prepared by the power producer afterreceiving instruction from the MIME PMU regarding the nature and scope of the issuesto be addressed. The power producer will then submit the EMP to the MIME PMU whowill incorporate this information into their appraisal of the subproject and their overalldecision to support the project proposal.
Institutional Strenigthiening: MIME will purchase four (4) acoustimeters and one (1)exhaust combustion gas analyzer (including training) to support their monitoringprogram.
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