NATIONAL POWER TRANSMISSION CORPORATION NORTHERN VIET NAM POWER PROJECT MANAGEMENT BOARD TRANSMISSION EFFICIENCY PROJECT TR2-09-005B SUB-PROJECT BAC NINH 3 220KV SUBSTATION AND CONNECTION LINE ENVIRONMENTAL MANAGEMENT PLAN (Final) January 2015 Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized
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NATIONAL POWER TRANSMISSION CORPORATION
NORTHERN VIET NAM POWER PROJECT MANAGEMENT BOARD
TRANSMISSION EFFICIENCY PROJECT
TR2-09-005B
SUB-PROJECT
BAC NINH 3 220KV SUBSTATION AND
CONNECTION LINE
ENVIRONMENTAL MANAGEMENT PLAN
(Final)
January 2015
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Typewritten Text
SFG1160 v5
NATIONAL POWER TRANSMISSION CORPORATION
NORTHERN VIET NAM POWER PROJECT MANAGEMENT BOARD
TRANSMISSION EFFICIENCY PROJECT
TR2-09-005B
SUB-PROJECT
BAC NINH 3 220KV SUBSTATION AND
CONNECTION LINE
ENVIRONMENTAL MANAGEMENT PLAN (Final)
Power Engineering Consulting Northern Viet Nam Power Project
Cho town 11,223.9 9,532.5 0.0 0.0 1,204.2 487.1 0.0
Yen Phu
commune 27,914.1 22,895.5 0.0 0.0 1,765.8 3,252.9 0.0
Hoa Tien
commune 31,856.0 27,976.7 0.0 1,694.0 1,295.3 474.6 415.3
Kim Lu commune 32,912.0 26,143.3 0.0 0.0 4,226.7 317.4 2,224.7
Total 152,097.0 124,435.0 1,390.0 1,694.0 15,028.0 6,710.0 2,840.0
Note: ROW’s area includes construction area of tower foundations (4,750.6m2)
Figure 4.1. Situation of paddy field at
substation location
Figure 4.2. Interior canal on the West at
substation location
Bac Ninh 3 220kV substation and connection line
Environmental Management Plan
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b) Houses/Buildings on Land Affected by the Subproject
Total residential area within ROW (11m from the center of line to each side) is 1,694 m2.
There are not any houses/buildings within permanent acquistion land area. There are four
houses and buildings within the ROW. They will be limited height as stipulated in Article 13
of Decree No.14/2014/ND-CP.
Table 4.2. House and building affected in ROW
No. House Address
Floor
area
(m2)
Floor area in
ROW (m2)
Height
of roof
Structure
Materials
of roof
Materials
of wall
Materials
of floor
1 House Hoa Tien commune 792 355 4,5 Tole Concrete Brick
2 House Hoa Tien commune 85 184 13.8 Tole Concrete Brick
3 House Hoa Tien commune 275 55 4 Tole Concrete Brick
4 House Hoa Tien commune 144 17 4 Tole Concrete Brick
Height of the existing houses and buildings in ROW is from 4 to 13.8 m. The average height
is 6.6 m. Designed heigth of the transmission line will be at least 18m and 6m to ensure
distance from the lowest point of wire in the maximum sagging state to natural surface of
ground and from any parts of house/building to the nearest wire, respectively.
The current house and building will be rehabilitated and grounded to ensure safety condition
for existence of them within 220kV ROW. Therefore, the existing houses will not cause
displacement and relocation.
Figure 4.3. Irrigation canal at substation
location
Figure 4.4. Paddy field around route of
connection line
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Environmental Management Plan
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Figure 4.5. Two houses near to tower No.9A
c) Grave in Construction Area of Substation
There are seven (07) graves located in the construction area of Bac Ninh 3 220kV substation;
the area of these graves is around 200 m2. This is the single graves, which existed on rice
land for a long time. These graves will be moved to another location. During the leveling
period of the substation, the subproject’s owner will co-operate with People’s Committee of
Yen Phong district and Cho town for implementing relocation.
Figure 4.6. Ground graves at proposed substation location
4.5. Environmental Baseline Data
In the investment project stage, the subproject’s owner will take samples and analyze the
quality of the physical environment (including quality of air, noise, surface water,
underground water, and etc.). These measurements will be the standards in identifying and
evaluating components of the physical environment for the subproject area.
4.5.1. Air Environment Quality and Noise
The air sampling indicates the air quality is quite good in the subproject location. Most of the
pollution criteria obtained at the sampling location of the substation and connection line met
Bac Ninh 3 220kV substation and connection line
Environmental Management Plan
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permissible limits according to QCVN 05:2013/BTNMT – National technical regulation on
ambient air quality.
4.5.2. Water Environment Quality
a) Surface Water Quality
Surface water sampling at interior canals of the subproject location shows there are signs of
pollution and microbial contamination. This also shows that some specific surface water in
the agricultural region will be highly impacted by the amount of fertilizer which will pollute
the high nutrient content in water. Other pollution criteria such as pH, suspension of solid
substance, oil, and etc. have met the permissible limits of the QCVN 08:2008/BTNMT –
National technical regulation on surface water quality.
b) Quality of Underground Water
According to the result, the quality of the underground water at certain wells of households in
the subproject’s location is fairly good. Thus, the permissible limits of pollution criteria are
met according to QCVN 09:2008/BTNMT – National technical regulation on underground
water quality. However, due to the effect of geology in local region, iron contents in
underground water at the sampling locations have exceeded lightly in comparison with the
stipulation from 1.09 to 1.23.
4.6. Socio-economic Status
4.6.1. Economics
a) Yen Phong district
The Gross Domestic Product (GDP) of Yen Phong district in 2013 is around 6,000 VND
billion, an increase of 11% since 2012. The average income per person is 28 million VND
each year. The economic structure continues to grow and attract new investments into the
zone. Industrial zones have increased rapidly with a participation of nearly 100 domestic and
foreign enterprises. This will increase the number of employees to over 52 thousand people in
the region.
b) Soc Son district
The output value of Soc Son district has an estimate of an increase of 6.84% in 2013. Its
value will be higher in comparison with the planed criteria but will increase in the following
quarter. Industrial and handicraft fields have increased 7.15%; basic construction has
increased 6.84%; trade and services has increased 12.06%; agriculture – forestry – fishery
have decreased 0.65% in comparison with 2012. Economical mechanism will grow
positively. Trade and services will increase and agriculture products will decrease in ratio.
Per capita income is estimated to be 23 million VND per year.
4.6.2. Culture and Society
a) Population
Soc Son district
The population of district is about 300,000 people with 75,000 households, of which 44,000
households are accounted for 58.7% of agricultural production. The population density is
992people/square kilometer. The district has implemented vocational training and created
14,000 labors in the past five years (2009-2014). The rate of created labors will increase to
33.73% in 2013.
Bac Ninh 3 220kV substation and connection line
Environmental Management Plan
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Yen Phong district
The population of the district is about 139,100 people. The population density is about 1,436
people/square kilometer. Elderly working population is about 88,212 people, of which 6,482
people are working in the zones or industrial zones. There are 6,324 people working in
enterprises of the district region. Also, there are 636 labors which involve in working in
foreign country and the remaining are the agricultural labors.
b) Ethnicity
The subproject’s location (Yen Phong district, Bac Ninh province and Soc Son district, Ha
Noi city) is the oldest settlement of the Kinh ethnic group. This is the main ethnic group of
Vietnam. The subproject’s location does not exist any other minority ethnic group.
c) Culture and Society
Issues around the culture and society within the subproject’s location is the local authority’s
main concern. The subproject will contribute directly and indirectly into the improvement of
living standard for the local people, such as supplying power for production, development of
econimics, the lighting of all public works, and etc.
The subproject is not in area of historical area, cultural heritage site, social-culture structure,
nor national defense.
V. POTENTIAL IMPACTS
The screening of the environment around the subproject areas indicate that it is eligible for
financing with an exception that the subproject will not involve possible high risk and will
not create potential adverse impacts on: (a) critical natural habitats and/or protected area
including proposed protected areas; (b) loss or damage to cultural property, including sites
having archeological (prehistoric), paleontological, historical, religious, cultural, and unique
natural values; (c) water regime, particularly water flow; and (d) other significant
environmental and social impacts.
The subproject will bring about positive changes to the local and regional economies and
creating favorable conditions for local production activities and other social benefits.
The implementation of the subproject would mainly cause land acquisition, increased dust
generation, air pollution, domestic waste, and health and safety issues due to construction
activites and electrical magnetic field. However, these impacts are not significant, temporary,
and localized with available mitigation measures. So the subproject has been categorized as a
Category B project according to Policies of OP 4.01 and satisfied to use the World Bank’s
loan.
The potential negative impacts of the subproject are identified in Table 5.1. These can be
minimized by applying the proposed mitigation measures which has been developed for the
subproject in Table 6.1.
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Environmental Management Plan
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Table 5.1. Potential negative impacts of the subproject
No. Impacts
Significance
of impacts
Impact
duration Impact Description
Pre-construction phase
1 Location of the
subproject
Small Short-term The subproject’s location is not near or in cultural heritage sites, nature reserves or buffer
zone of protected areas, wetlands, estuaries, nor forests. However, the subproject’s location
will affect the land and cultivation activities of 63 households, whose land will be
permanently acquired by the subproject. In addition, Ca Lo river, lake, and Highway No.18
will cross the connection line. Impacts at the intersection will take place during the pre-
construction and construction stages. These impacts will be minimized during the
implementation.
2 Permanent land
acquisition and
affected land in the
ROW
Moderate Short-term
and long-
term
Area of permanent land acquisition is 52,941,6m2, in which construction area of substation
is 36,775.0 m2. Access road area is 11,416.0 m2. Tower foundation area is 4,750.6 m2. Area
of rice field is 42,637.6 m2; it accounts for 85% of total affected area. Area of crops land is
1,390 m2; it accounts for 2.6% of the total affected area. Irrigation canal land is 6.536,0 m2;
it accounts for 12.3%. Local road is 2,178.0 m2; it accounts for 4,1%; Area of grave land is
200.0 m2; it accounts for 0.4% of total affected area for construction of the project.
Residential land and house don’t exist in permanent land acquisition area of the subproject.
However, 63 houses will be permanently affected by the subproject. There are seven
graves with a land area of 200m2 located in the substation. These graves had existed for a
long time and they will be moved to another place.
In addition, the overhead connection line also affects the use of land in the ROW with area
of 99,155 m2. Most of areas affected by the ROW is rice land. Rice fields do not violate
the safety distance from the conductors to land surface; thus, the local people can cultivate
in the ROW without any impacts. There are four houses in the ROW with metal roofs.
These houses will continue to exist in the ROW when they comply with a roof-grounding
to ensure a safety for the project.
The land acquisition will affect 63 households, whose land is in the proposed substation
and the connection line. However, there are not anyhouseholds to be moved by this
acquisition. Additionally, according to the investigation and collection from rice activities
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Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
of these households, the land acquisition only reduces one portion of total their income.
Most of them has obtained other income from non-agricultural activitives. Site clearance
will be implemented after the harvest season to reduce damages to crops.
In addition, according to the statistical report on socio-economic, the economical
mechanism at the subproject’s location is being grown in the industry as well as trade and
services. Many industrial zones are being established and attracted investors to Bac Ninh
province. Many works of the industrial field are being grown each year. Therefore, a heavy
burden of the local authority in finding a new job for workers who are impacted by the
acquisition will be minimized.
The cultivation land acquired will affect local people; however, these impacts can be
minimized through measures of compensation and assistance according to the stipulation of
the Government to ensure their life and security.
3 Temporary land
acquisition
Small Short-term The land acquisition will be temporarily acquired during the subproject’s implementation
such as storage of materials and equipment and stringing wire. This land will be recovered
after completing the subproject. This land locates in the ROW and it does not affect life of
the local people. Land acquisition area for construction of a connection line is summarized
as follows:
- Temporary land acquisition for tower foundation is 6,483.6 m2
- Warehouse, storage of equipment and materials is 970.9 m2
- Stringing wire: 800 m2
Construction and storage of equipment and materials will be implemented at the substation
so it is not necessary for expanding a temporary land area. Construction at each tower
foundation location only lasts from one to two months so the temporary acquisition for
construction only affects a crop.
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
4 Effects on vegetation
and habitat area due to
site clearance
Small Short-term Vegetation is mainly rice at the subproject’s location. Site clearance will be done after
harvest season so the vegetation is mainly rice stubble. Wheat plant is low and harvesting
period is short so they can stay in the ROW without being chopped down. Land clearance
only includes area of construction and temporary acquisition plan.
Generally, these clearance activities at the substation and connection line is assessed as a
minor impact and mitigable. The affected trees mainly get an economical value without
ecological one.
5 Effects on irrigation
canal and local road in
substation’s location
Moderate Short-term At proposed substation location has interior canals with 630m in length and 2-4.5m in width;
these canals is used for irrigation of the surrounding rice field and area of them is 6,536 m2.
Local road runs along with irrigation canal, which is used to access rice-field of local people.
Length of this local road is 630m and affected area by the subproject is 2,178 m2. These
canals and local roads will be filled prior to construction of the project so they will cause a
clogging of irrigation system and as well as a stopping of entrance to local road of people.
This affects the production of farmers around the proposed subproject location. Therefore,
these canals and local roads should be re-establised before leveling the substation’s site.
6 Risk on healthy and
environment due to
explosive and
chemnical substance
Small Short-term The subproject does not use chemical and explosive substances for clearance and leveling.
However, according to the opinion of the Bac Ninh province Military Command, the
subproject’s location can also remain unexploded ordnance underground, and they can
explode in case of having collision between them and construction equipment. This will
cause accident for workers and damage assests of local people. Therefore, the subproject
should prepare a removal plan for unexploded ordnances to ensure safety prior to
construction.
7 Impacts on historical
area and cultural
heritage site.
Moderate Short-term The subproject’s location is not near to or in historical area or cultural heritage site. However,
there are seven ground-graves in the proposed substation location. Relocation of graves can
cause effects on spiritual life of households, who owned them if the relocation does not do
properly with the local customs. But this is the ground-graves, which was existed for a long
time so they ensure time for reburing according to local customs.
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Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
Construction phase
8 Effects on air quality
due dust generation,
exhaust gas from
construction vehicles
and transportation
means
Moderate Short term Dust will generate during construction such as excavation, backfill and transportation. This
dust is mainly generated from ground and it is easy to accumulate in a short time. This
source will be generated temporarily during construction phase. The subproject locates in
the agricultural region so its impact is small.
Dust and exhaust gas are generated from activities of engines of transportation means and
machineries. These means are used the clean-fuel so pollution content of waste gas is not
high. Effects on the waste gas are not significant in the subproject region because
generated location is mainly in rural region.
At section G5A – G5C of the subproject crosses over the residential region of Hoa Tien
commune. This location will bear strictly air pollution, the remaining locations of
connection line cross over the agricultural region so the effects on air pollution is small.
9 Impacts from noise and
vibration
Small Short term Noise and vibration can be caused by transportation means and mechinaries. However,
construction activities are mainly carried out manually or semi-mechineries with a small
means so the intensity of noise is not high.
Most of the construction locations are located in the rural region, away from residiential
region. The region caused strictly noise is the foundation locations crossing over the
residential region in Hoa Tien commune; section G5A – G5B has the foundation near the
local house.
10 Increase water turbidity
due to run-off and
erosion
Moderate Short term Ground and sand sweep away by the surface water flow at construction location can cause
erosion and increase turbidity. Especially, the subproject will mainly be located on
agricultural land with many interior canals and connection line will traverse Ca Lo river
and it also intersects two times with the lake. However, it is assessed as a small impact
because towers of this connection line will be 50m and 30m away from river and lake
edges, respectively. Terrain of the subproject’s location is flat. The construction period is
short. The construction site will provide pits and trenches for water drainage surrounding
the tower foundations. Quantity of excavation will be stored and maintained in a short time
Bac Ninh 3 220kV substation and connection line
Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
and they can reuse to fill foundation after completing concrete work, and it also uses for
filling slope work.
The subproject will not construct towers on river, lake and canal so impacts causes by
erosion, run-off are assessed as moderate.
11 Impacts on
environmental quality
due to water waste.
Moderate Short term Worker at the site is 80 persons in construction duration. Volume of domestic wastewater
will estimate 9.3m3/day. This volume would generate at tents of the substation and
connection line. However, these tents are far from canals and domestic wastewater only
generates in the construction period and rural region so impact on wastewater is not
significant. The wastewater is assessed as small and mitigable.
Apart from the domestic wastewater, during the construction period, the subproject also
generates construction wastewater, including pump pit drainage and a little capacity from
equipment and machinery’s sanitary during construction. This volume only happens in the
construction duration and component of the pollutant in waste water is mainly soil, sand,
non-hazardous substances. The soil and suspended-sand mixed in water will be easy to
deposit sediment in the temporary drainage trenches. Therefore, impacts on waste water are
as moderate.
12 Impacts on
environmental quality
due to waste.
Moderate Short term The amount of generated waste is 48kg/day for total 80 persons of the whole subproject in
construction duration. These amounts will be allocated at the two tents. Quantity of waste is
small; it does not contain hazardous components. This waste will be collected and handled
properly so it will not cause negative impacts on environment, unsanitary and effect on the
surrounding aesthetics.
Quantity of excavation will be reused for backfill work. Thus quantity of redundant soil is
small. These quantities will be fully utilized to slope banks against erosion in the tower
foundation of the connection line and do slope work at the substation. Redundant quantity
is small but if the contractor does not collect and store them properly; it will cause negative
impact on environment.
In the process of construction and installation of the subproject can generate a lot of
construction wastes such as concrete debris, formworks, steel scrap, crates, and etc.
Bac Ninh 3 220kV substation and connection line
Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
However, most of these construction wastes can be recycled and reused so it would be easy
to control and collect this waste.
The waste substance will be collected and treated according to stipulations of solid waste
substance and the implementation schedule is short term (15 months). Thus, the generation
of solid waste substances is assesses as moderate and mitigable.
13 Water and soil due to
hazardous waste
Small Short term Hazardous waste is mainly oil and oil rags, which will be generated from activities of
maintenance of equipment, machineries and transportation means in the construction
process. The waste oil volume generates from 41 construction means will be estimated
about 287 liters/time, around 47.8 - 95.7 liters/month. This volume only happens at the
maintenance agents and they are collected by these agents. Therefore, this waste oil volume
is low at construction site; it only happens when having samll repairment at site. Waste oil
and oily rags can collect strictly, store and streat safely so these impacts are assessed as
small.
14 Soil erosion and
eboulement generation
caused by excavation,
leveling and fillback
duration
Moderate Short term Excavation, backfill, leveling and construction of the subproject will change structure of soil
surface, it will cause a soil erosion due to rain-water run off or wind. Specially, substation
base is filled higher than the natural ground level of 1.84m so if the contractor has not a
suitable measure for reinforcing the substation base, and then risk of landslide will happen
and can affect the surrounding rice-field. Construction of pole foundation can cause a
erosion of canal edge at location near canal and river. This will reduce the capacity of the
natural drainage in the regional location if it is not properly managed. Especially, the
connection line will traverse one time via Ca Lo river and twice via the lake.
However, the subproject’s terrain is flat and the construction its construction always meets
stipulations on safety distance at the location near to canal. The contractor will apply
reinforcement measures to protect soild erosion during the leveling and excavation of
foundation pit. The total quantity of excavated soil would utilize to slope and backfill
foundations and substation plan. In addition, river and interior canals in the subproject’s
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Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
region will be reinforced by the protection wall.
15 Impacts on road Moderate Short term Transportation, storage of equipment and materials at the site would affect local traffic and
installing tower and stringing wire at the cross section would interrupt traffic for a short
period of time only.
The substation would locate near Highway No.18, this location will be 150m from road
edge and the connection line will be 50-90m from road edge so transportation of equipment
and construction materials from Ha Noi city and local agents to the site is benefited by
Highway No.18. Therefore, transportation would not effect significantly to local traffic.
In addition, traffic activities will be affected by stringing wire work via road at intersection
section (Highway No.18 and Highway 3). However, the contractor will provide scaffold to
limit affects of local traffic during stringing wire.
Traffic affects can also happen at the rush hour during construction of tower foundations at
the residential region of Hoa Tien.
16 Impacts on waterway
traffic
None None Connection line will intersect one time with Ca Lo river, the width of this river is 48m; and
twice with the lake, its width is 63m and 67m. Activities of stringing wire at section via
river can interrupt waterway traffic from one to two hours. However, cross section at Ca Lo
river and the lake does not exist the waterway traffic. Therefore, the subproject will not
affect the waterway traffic.
Local people sometimes use small boat to fish in the Ca Lo river, but its activity does not
happen regularly in section of the subproject’s location because river fish currently is small.
During the stringing wire, these boats can be affected at section across the river. However,
period of influence is short so effects on boat in the river is assessed as a minor impact.
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Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
17 Effects on house near
to section of G5A –
G5B
Moderate Short-term There are four houses located at section of G5A – G5B in Yen Vy village, Hoa Tien
commune, Yen Phong district. Two of them is near to location of tower foundation; it is
tower location No.9A. Distance between them is at least 20m. They are the fourth grade
house, brick wall, tole-roof with height of 4 - 4.5m. People lived in these houses will be
affected by noise and dust from construction activities. Structure of house can be affected
by shock from piling activity and landslide from excavation work. However, this is a house
without upstairs (single house); its height is low so negative impacts from these activities is
small. Landslide during excavation can be minimized by techinical method in construction
duration; and then impacts on noise and dust can be also minimized.
18 Effects on local traffic
system quality
Small Short term The transportation of materials with the high frequency can affect the rural road system in
the local region. The substation is 150m from Highway No.18 and the subproject will
contruct an access road for transportation of materials during construction and use for
operation period. The tower foundations of the connection line is 50m - 90m from Highway
No.18 so materials will be transported by manual means to the site.
Highway No.18 is designed to bear a heavy load so the transportation of equipment and
machineries for the subproject will not affect significantly. Transportation activities would
be carried out by manual means from Highway No.18 to the site, therefore, the
transmission frequency mostly increase low on the paths with bad quality. The subproject’s
activities will rarely affect these paths.
Nowadays, government authorities and local people closely monitor traffic management at
the local region. The means a weight load exceeding the limit will not be permitted access
to the local roads. This is also an issue for the contractor who must meet and carefully
propose the transportation solution and avoid damaging the local roads system and edge of
rice field.
19 Effects on health and
safety from camps and
spread of infectious
diseases
Small Short term Total workers are 80 persons at the subproject’s site. Sanitary condition and safety at the
tents and the site can affect the worker’s health. However, these works will be paid
attention by the contractor and these workers will be managed and checked periodically on
health. Therefore, the disease transmission from the worker is assessed as small because
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Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
this transmission would be treated by prevention measures.
20 Conflict between
construction workers
and local people
Small Short term Conflict between workers and local people can happen due to difference of income, culture
and behavior.
Living period of worker at the site is short (maximum of 15 months). The estimated
workers at the site is 80 people, in which, it is proposed 30% of the total labor workforce
will be local residents. Most of the non-local workers are technical labors who have
extensive construction experience. Therefore, the conflict between non-local workers and
local people and community are expected to be minor.
21 Accident risks to
workers and
community
Moderate Short-term Accident risk can happen in construction duration if the contractor is not paid attention to
safety measures. Accident can happen due to foundation excavation, crane operation, tower
erection and stringing wire, and etc. Accident can also happen to the construction workers
or local people surrounding the subproject.
Particularly, workers do works at height and install equipment on overhead poles; the
posibility of accident is large when the contractor does not provide labor protection
measures appropriately. Effects on health due to accidents is high and death from these
accidents for victims is very high.
However, according to the current stipulations, labor safety measures will prevent and
solve accidents in the construction duration. Therefore, it will minimize accident risks.
22 Interruption of services Small Short-term During construction process of the substation and the connection line, it is necessary to de-
energize some regions so it willinterrupt some services using power network. However,
this de-energizing work only happens at the end construction period when this line is
connected to the power network. The estimated de-energizing time is from one to two
hours.
Operation phase
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Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
23 Effects on
environemental quality
due to domestic waste
of operators
Small Long term Operators estimates about 22 persons at the substation during operation, these people will be
divided into three shifts and five groups. The substation operation activities will be carried out
according to shift regime, the actual number of operators is 7 persons per shift in maximum.
Operator’s activites will be generated a little volume of the domestic waste water and solid waste.
The volume of domestic waste water of the operators is about 0.84 m3/day. The quantity of
domestic solid is about 4.2 kg/day. Waste water and solid waste of the operators will
generate with the small quantity so they will not affect to environment. Waste water will be
collected and properly treated by septic tank before discharging into sewerage source.
Domestic waste will be collected strictly and stored temporarily in bins at the site after that
they will be moved by sanitation agent in local region.
24 Effects on
environmental quality
due to hazardous waste
Small Long term Hazardous waste generates during operation period is mainly oil leakage of the transformer
and oily rags. Oil of the transformer is fixed the interior of its one or capacitor and used to
cool or hold a function as an insulator so oil the transformer will not generate into the
environment. However, the oil can leak in the operation, repairment and maintenance
processes of the transformer, or the oil leakage can also happen in the process of oil
change. In addition, maintenance and santitation processes of the transformer will also
generate oily rags and this quantity estimates about 0.5 – 1.5 kg/month.
Oil of the transformer is mineral component with a long existence, it will affect to the
environment in case of leakage. But the transformer does not ensurely contain any
hazardous components of PCBs. Oil of the transformer and oily rags can collect strictly and
safely store and they will be transferred to the relevant agents for treatment.
25 Impacts due to noise of
the transformer
Small Long term As the technical result of 220kV transformer, they are designed according to the
international standard (IEC standard), the noise is around ≤ 76 dBA at distance of 2 m, so it
meets permissive limit (85 dBA) on noise in productive region issued at Decision
No.3733/2002/QD-BYT.
In reference with the monitored data which is being operated at 220kV substations, the
noise is 70 dBA at distance of 6 m to the transformer location, it meets value as mentioned
in QCVN 26:2010/BTNMT – maximum limits on noise in the production region at 6 a.m to
Bac Ninh 3 220kV substation and connection line
Environmental Management Plan
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
9 p.m. Therefore, the noise only affects to operators, but its impact is a small, it will not
affect to their hearing and health.
26 Effects on health due
electromagnetic field
Small Long term The substation and connection line are designed according to electrical standards and met
stipulations on safety at Decree No. 14/2014/ND-CP. And then, the connection line is
designed with suspension height that will ensure maximum electric field intensity. The
electric field intensity should be less than 5kV/m in the ROW at the height of 1m above
ground level as stipulated in Clause 2, Article 7 of Decree No. 14/2014/NĐ-CP.
In reference the monitored value of electric field intensity at some locations of 220kV
substation which is being operated, it was shown that value of electric field intensity is
more than 5kV/m at the location of circuit-breaker and transformer. But there are not any
locations in the substation that its value is over 25kV/m – maximum permissive limit of the
electric field intensity in working environment as stipulated at Decision No.3733/2002/QD-
BYT of Ministry of Health. Therefore, the substation’s operators can access to working
locations in the substation when meeting time as stipulated at Clause 2, Article 7 of Decree
No.14/2014/NĐ-CP.
27 Effects on
telecommunity system
None None Communication system can be affected by the subproject, including communication line is
near the substation and radio communication centers. However, the impact is calculated
and considered according to the current stipulations when designing the subproject so this
impact is assessed as a minor. The phenomenon of corona on surface of wire was designed
according to IEC and TCVN standards to limit properly effects to radio and television
communication.
28 Risk on electric shock
to health of workers
and operators and local
people around the high
voltage
Moderate Short term Design of the subproject focus on safety measures. Network risk and accidents can happen
in operation phase if the workers do not comply to the safety rules or local people do not
meet the safety stipulation on power network.
29 Fire hazard and oil- Moderate Short term Oil overflow will not be significant since the transformer is operated in a normal condition.
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No. Impacts
Significance
of impacts
Impact
duration Impact Description
overflow of the
transformer
The oil over-flow only occurs when the transformer meets risks such as fire, which the
transformer should be paid close attention to during the operation. Fire hazard can happen
in many different reasons. They can occur inside or outside of the transformer and can be
increase the risk to high.
However, the substation has designed a fire-fighting system for the transformer. If fire
occurs, the fire-fighting system will alert with signals and extinguish the fire automatically.
This will prevent the fire from spreading to the outside location of the transformer and
outside of the substation’s gate.. Therefore, transformer’s risk will not impact to the
surrounding of the substation. In addition, the substation also provides a pit to collect all
oily leakage volumes if any.
30 Hazard on collapsed
tower
Moderate Short term Towers of 220kV transmission line can be collapsed by lighting, wind, or storms. Weak
foundation, especially at towers in flooded location can cause the transmission line to
collapse as well. However, design and supervision have been implemented will and met
safety standards. Tower foundation is designed on the basic of topography conditions,
geology, and hydrometeorology of the region. Its design withstands against natural
elements as statistics has shown over the last 20 years.
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Conclusion: The implementation of the subproject would mainly cause land acquisition, increased dust generation, air pollution. However, these impacts
are not significant, temporary, localized impacts with available mitigation measures. Therefore, the subproject is assessed as B environmental category in
accordance with the WB’s criterion and eligible for funding by Transmission Efficiency Project.
Bac Ninh 3 220kV substation and connection line
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VI. MITIGATION MEASURES
Environmental mitigation measures of the subproject are shown in Table 6.1.
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Table 6.1. Environmental Mitigation Measures of the Subproject
No. Environmental – Social
Issues Impact
Assessment Mitigation Measures
Vietnam
Code/Regulation Responsibility
Pre-construction stage
1 Location of the
subproject Mitigable - Survey site and consult with local government,
relevant agents affected by the subproject to select an
optimal alternative to minimize damages on plant, land,
house, works and infrastructures;
- Design according to scheme on socio-economic
development of local government.
- Meet design as approved by EVN.
- Meet regulations
of TCVN on
electrical design.
- Design unit
- Subproject’s
Owner
- Local authority
2 Permanent land
acquisition
Mitigable - Careful site-survey, consultation with community and
local authorities to choose optimal solutions in order to
minimize land acquisition;
- Disclosure detailed plan for permanent land
acquisition for affected households;
- Compensate damages satisfactorily in accordance
with the RPF of the TEP project and the Resettlement
Plan of the subproject;
- Prepare a compensation and assistance plan
according to the stipulations of Government and
provincial People’s Committee;
- Complete compensation and assistance as specified
before construction the subproject;
- Plan working schedule after harvest times to avoid
impacts, losses for local people;
- Select tower foundation locations properly to
minimize impacts on land, rice field, or garden losses of
- Circular No.
14/2009/TT-
BTNMT dated on
1/10/2009 of
Ministry of Natural
Resource and
Environment;
- Decree No.
47/2014/ND-CP
dated on 15/5/2014
of the Government;
- Decree No.
14/2014/ND-CP
dated on 26/02/2014
of the Government.
- Design unit
- Subproject’s
Owner
- Local authority
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local people; tower locations should be arranged
properly in local people’ land so that affected households
can still use the remaining part of their land comfortably.
3 Temporary land
acquisition
Mitigable - Careful site-survey, consultation with community and
local authorities to choose optimal solutions in order to
minimize impact on land and living activities as well
during construction;
- Disclosure detailed plan for temporary land
acquisition for affected households;
- Agree with the affected people to pay rent for land
and compensate plants, crops in temporary acquisition
area and unify alternative on return of site after
construction;
- Prepare leveling schedule for temporary site after
harvest times to avoid losses for local people;
- Return of site as an original status or as unified
alternative between local people and authority.
- Circular No.
14/2009/TT-
BTNMT dated on
1/10/2009 of
Ministry of Natural
Resource and
Environment;
- Decree No.
47/2014/ND-CP
dated on 15/5/2014
of the Government.
- Construction
contractor
- Subproject’s
Owner
4 Effects on vegetation
and habitat area due to
site clearance.
Mitigable - The Contractor shall prepare a Clearance,
Revegetation and Restoration Management Plan for prior
approval by the Construction Engineer, following
relevant regulations. The Clearance Plan shall be
approved by Construction Supervision Consultant and
followed strictly by contractor. Areas to be cleared
should be minimized as much as possible;
- The Contractor shall remove topsoil from all areas
where topsoil will be impacted on by rehabilitation
activities, including temporary activities such as storage
Law on Environment
protection No.
52/2005/QH11
- Construction
contractor
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No. Environmental – Social
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and stockpiling, etc; the stripped topsoil shall be
stockpiled in areas agreed with the Construction
Supervision Consultant for later use in re-vegetation and
shall be adequately protected;
- The application of chemicals for vegetation clearing
is not permitted;
- Prohibit cutting of any tree unless explicitly
authorized in the vegetation clearing plan;
- When needed, erect temporary protective fencing to
efficiently protect the preserved trees before
commencement of any works within the site;
- No area of potential importance as an ecological
resource should be disturbed unless there is prior
authorization from CSC, who should consult with PMUs,
and the relevant local authorities. This could include
areas of breeding or feeding of birds or animals, fish
spawning areas, or any area that is protected as a green
space;
- Work with local authoritites to well prepare
construction schedule to avoiding harvesting time.
5 Effects on irrigation
canal and local road in
substation’s location
Mitigable - Agree with local authority on re-establishnent plan
for irrigation canal and local road affected by the
substation location;
- Redesign irrigation canal and local road in the area of
substation, which is filled by the construction of project.
These canals and roads are designed close together. They
are arranged along and from outside of substation’s
Law on Environment
protection No.
52/2005/QH11
- Design
consultant;
- Subproject’s
owner;
- Construction
Contractor;
- Local authority
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No. Environmental – Social
Issues Impact
Assessment Mitigation Measures
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Code/Regulation Responsibility
fence.
- Structure of local road is made from red-gravel mixed
soils with width of 3m and elevation is as the same the
current local road. Irrigation and drainage canals are
made from M200 concrete with dimension as the same
the current one.
- All irrigation, drainage canals and local road must be
completed before leveling and filling them;
- Rehabilitate landscape of irrigation, drainage area and
local road. In addition, slope and bank of irrigation,
drainage and local road shall be planted grass to protect
erosion.
6 Effects on historical
area and cultural
heritage site (seven
ground-graves in
proposed substation
location)
Mitigable - Survey carefully, consult community and local
authority to propose an optimal solution and minimize
impacts on spiritual life of household, who owned these
graves;
- Prepare a reasonable compensation and removal plan.
The removal plan shall ensure environmental sanitary
and it does not affect the local customs and religious
belief of people.
- Compensation and removal plans must be disclosed
publicly and take advice of people, who owned the grave
affected by the subproject.
- Removal of graves shall be implemented completely
before leveling the subproject’s site.
- Removal shall be implemented ritually and affected
households shall choose a good date for the removal of
Decree No.
47/2014/ND-CP on
15/5/2014 of the
Government
- Subproject’s
owner;
- Local authority
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Code/Regulation Responsibility
these graves.
- Apart from compensation and assistance cost, NPMB
should create an advanatge condition for households in
chosing date to relocate these graves.
Construction stage
7 Dust generation caused
by construction activity,
exhaust gas of
transportation means of
equipment and materials
during construction.
Mitigable - The Contractor is responsible for compliance with
relevant Vietnamese legislation with respect to ambient
air quality;
- The Contractor shall implement dust suppression
measures (e.g. water spray vehicles, covering of material
stockpiles, etc.) as required;
- Construction vehicles shall comply with speed limits
and haul distances shall be minimized;
- Material loads shall be suitably covered and secured
during transportation to prevent the scattering of soil,
sand, materials or dust;
- The Contractor shall be responsible for any clean-up
resulting from the failure by his employees or suppliers
to property secure transported materials;
- Exposed soil and material stockpiles shall be
protected against wind erosion and the location of
stockpiles shall take into consideration the prevailing
wind directions and locations of sensitive receptors;
- Dust masks should be used where dust levels are
excessive;
- All vehicles must comply with Vietnamese
regulations controlling allowable emission limits of
- QCVN 05:
2013/BTNMT:
National technical
regulation on
ambient air quality;
- TCVN 6438-
2005: Road vehicles
Maximum permitted
emission limits of
exhaust gas;
- Decision
35/2005/QD-
BGTVT on
inspection of quality,
technical safety and
environmental
protection.
- Construction
contractor
- Shipping agent
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Code/Regulation Responsibility
exhaust gases;
- Vehicles in Vietnam must undergo a regular
emissions check and get certified named: “Certificate of
conformity from inspection of quality, technical safety
and environmental protection” following Decision No.
35/2005/QD-BGTVT;
- There should be no burning of waste or construction
materials or cleared vegetation on site;
- Concrete mixer should be located far from the
residential area.
8 Impacts from noise and
vibration
Mitigable - The contractor is responsible for compliance with the
relevant Vietnamese legislation with respect to noise and
vibration;
- All vehicles must have appropriate “Certificate of
conformity from inspection of quality, technical safety
and environmental protection” following Decision No.
35/2005/QD-BGTVT; to avoid exceeding noise emission
from poorly maintained machines;
- When needed, measures to reduce noise to acceptable
levels must be implemented and could include silencers,
mufflers, acoustically dampened panels or placement of
noisy machines in acoustically protected areas.
- Avoiding or minimizing transportation though or
material processing near community areas;
- Avoiding construction activities from 10:00 p.m at
the site near to residential region.
- QCVN
26:2010/BTNMT:
National technical
regulation on noise;
- QCVN
27:2010/BTNMT:
National technical
regulation on
vibration.
- Construction
contractor
- Shipping agent
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Assessment Mitigation Measures
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Code/Regulation Responsibility
9 Increase of turbidity due
to surface water flow
Mitigable - Construction process should be ensured at least 50m
and 30m from the river and cannal edges, respectively as
specified in the design;
- Backfill soil to stop overflow from rainy water
acrossing construction site and provide temporary
trenches at and surrouding construction locations to
minimize overflow of rainy water;
- Stockpile should be covered and provided trenches
for drainage of rainy water at the surrounding locations
to minimize erosion of soil into flow.
- TCVN 4447:1987:
Earth works-Codes
for construction.
- Construction
contractor
10 Impacts on
environmental quality
due to wastewater
Mitigable - The Contractor must be responsible for compliance
with the relevant Vietnamese legislation relevant to
wastewater discharges into watercourses;
- Portable or constructed hygienic toilets must be
provided on site for construction workers. Wastewater
from toilets as well as kitchens, showers, sinks, etc. shall
be discharged into a conservancy tank for removal from
the site or discharged into municipal sewerage systems;
there should be no direct discharges to any water body;
- Wastewater over standards set by relevant Vietnam
technical standards/regulations must be collected in a
conservancy tank and removed from site by licensed
waste collectors;
- Using techniques as berming or diversion during
construction to limit the exposure of disturbed sediments
measures during foundation excavation and pile driving
to minimize landslide; it makes effect on foundation of
surrounding local houses;
- Manual construction method will prevail at items if
necessary. Minimize operation of heavy means at
locations near to local house;
- Announce the affected households on implementation
schedule to arrange their living activities for minimizing
impacts;
- Clean site and restore landscape of construction site;
agree with the affected household to compensate damage
(if any) caused by construction activities.
16 Effects on local traffic
system quality caused
by construction and
transportation activities
Mitigable - Transportation means shall meet load as specified for
road route or contractor shall choose the route in
accordance with its load;
- Restore all damaged roads and bridges and rural
infrastructures caused by subproject activities, if any.
- Regulations of the
contractor.
- Construction
Contractor
17 Workforce, Camps and
Site Management and
spread of infectious
diseases
Mitigable - Workers‘ camps will be located at least 200 m away
from schools and health care centres and not be located
on steep slopes. The workforce shall be provided with
safe, suitable and comfortable accommodations and safe
portable water. They have to be maintained in clean and
sanitary conditions.
- Site offices, worker camps, warehouse shall be
located NOT within 100m from any water courses, 500
meters of existing residential area.
- Labor Law;
- Stipulations of the
Contractor.
- Construction
Contractor
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Code/Regulation Responsibility
- Septic toilets must be provided at all construction
camp areas where there will be concentration of labor.
- Engineers and workers shall register their temporary
residence with the local authority.
- Periodically check health of worker.
- First aid boxes shall be provided in each construction
camp site.
- Training workers on measures to prevent infectious
diseases, and kill factors causing deceases such as flies,
mosquitoes, grubs.
18 Conflict between
construction workers
and local people
Mitigable - Educate awareness for labors and workers;
- Priority is given to use local labours for properly
work;
- Strictly treat all cases that non-performance
according to site’s regulations.
- Labor law;
- Stipulations of the
Contractor.
- Construction
Contractor
19 Risk on accident for
worker and community
Mitigable - Safety method in construction duration:
+ Contractor shall comply with all Vietnamese
regulations regarding worker safety;
+ Prepare and implement action plan to cope with
risk and emergency;
+ Preparation of emergency aid service at
construction site
+ Training workers on occupational safety
regulations;
+ Ensure that ear pieces are provided to and used by
- Decree No.
22/2010/TT-BXD on
regulation of
construction safety;
- Instruction No.
02/2008/CT-BXD on
safety and sanitation
issues in
construction
agencies;
- TCVN 5308-91:
- Construction
Contractor
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Code/Regulation Responsibility
workers who must use noisy machines such as piling,
explosion, mixing, etc., for noise control and workers
protection;
+ Install fences, barriers, dangerous
warning/prohibition site around the construction area
which showing potential danger to public people;
+ The contractor shall provide safety measures as
installation of fences, barriers warning signs, lighting
system against traffic accidents as well as other risk
to people and sensitive areas.
+ Relevant authorities shall execute unexploded
ordinance clearance when it illustrates that the
subproject still exists them.
- Safety measures for workers who are being done at
high level (overhead):
+ Check structures in prior to work;
+ Prepare a working-program at overhead location
such as training on technical climbing and protection
method during working at height, checking
maintenance work and relocation of equipment and
rescuing worker from accident.
+ Fixed installation on the top of tower to protect
workers when they are being done at high level
(overhead).
+ Safety belt should be not less than two-in-one
with nylon of 16mm (millimeters) or materials with
equivalent strength. Safety belt should replace before
Technical regulation
on safety in
construction.
- Decision
No.96/2008/QD-TTg
on unexploded
ordnance clearance;
- Power safety
regulation (issued
with Decision
No.1186/QD-EVN).
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Code/Regulation Responsibility
having a sign of aging or broken fibres.
+ Operators should have a spare part safety belt
when they work at high level.
+ Signal panels and other obstructions should
remove from the tower/pole or structures before
performing work.
+ Operator should use a tool bag, which has
checked carefully to raise or lower tool or materials
during operation.
20 Interruption of utility
services and agricultural
activities
Mitigable - Planned and unplanned interruptions to water, gas,
power, internet services: the Contractor must undertake
prior consultation and contingency planning with local
authorities about the consequences of a particular service
failure or disconnection;
- Coordinate with relevant utility providers to establish
appropriate construction schedules;
- Provide information to affected households on
working schedules as well as planned disruptions (at
least 5 days in advance);
- Interruptions of water supply to agricultural areas
must also be avoided.
- The contractor should ensure alternative water supply
to affected residents in the event of disruptions lasting
more than one day;
- Any damages to existing utility systems of cable shall
be reported to authorities and repaired.
- String the conductor after crop havesting season.
- Decree No.
73/2010/ND-CP on
administrative
penalization security
and society issues.
- Construction
Contractor
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21 Restoration of affected
areas
- Cleared areas such as temporary layout, stringing
area, disposal areas, site facilities, workers’ camps,
stockpiles areas, working platforms and any areas
temporarily occupied during construction of the project
works shall be restored as original status or better;
- Start revegetation at the earliest opportunity.
Appropriate local native species of vegetation shall be
selected for the planting and restoration of the natural
landforms;
- Spoil heaps and excavated slopes shall be re-profiled
to stable batters, and grassed to prevent erosion;
- All affected areas shall be landscaped and any
necessary remedial works shall be undertaken without
delay, including green-spacing, roads, bridges and other
existing works;
- Trees shall be planted at exposed land and on slopes
to prevent or reduce land collapse and keep stability of
slopes;
- Provide temporary irrigations canals if neccesary and
restore all damaged irrigation canals caused by project
activities.
- Law on
Environment
protection No.
52/2005/QH11
- Construction
Contractor
22 Communication with
local communities
- Maintain open communications with the local
government and concerned communities; the contractor
shall coordinate with local authorities (leaders of local
wards or communes, leader of villages) for agreed
schedules of construction activities at areas nearby
sensitive places or at sensitive times;
- Decree No.
73/2010/ND-CP on
administrative
penalization security
and society issues.
- Construction
Contractor;
- Local authority.
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- Provide local communities and labors at site with
copy of ECOPs’ and safety environmental documents.
- Disseminate project information to affected parties
(for example local authority, enterprises and affected
households, etc) through community meetings before
construction commencement;
- Provide all information, especially technical findings,
in a language that is understandable to the general public
and in a form of useful to interested citizens and elected
officials through the preparation of fact sheets and news
release, when major findings become available during
project phase;
- Monitor community concerns and information
requirements as the project progresses;
- Respond to telephone inquiries and written
correspondence in a timely and accurate manner;
- Inform local residents about construction and work
schedules, interruption of services, traffic detour routes
and provisional bus routes, blasting and demolition, as
appropriate;
- Provide technical documents and drawings to PC’s
community, especially a sketch of the construction area
and the EMP of the construction site;
- Notification boards shall be erected at all construction
sites providing information about the project, as well as
contact information about the site managers,
environmental staff, health and safety staff, telephone
numbers and other contact information so that any
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affected people can have the channel to voice their
concerns and suggestions.
23 Chance finding
procedures in case of
founding objects with
historical or cultural
values
If the Contractor discovers archeological sites, historical
sites, remains and objects, including graveyards and/or
individual graves during excavation or construction, the
Contractor shall:
- Stop the construction activities in the area of the
chance find;
- Delineate the discovered site or area;
- Secure the site to prevent any damage or loss of
removable objects. In cases of removable antiquities or
sensitive remains, a night guard shall be arranged until
the responsible local authorities or the Department of
Culture and Information takes over;
- Notify the Construction Supervision Consultant who
in turn will notify responsible local or national
authorities in charge of the Cultural Property of Viet
Nam (within 24 hours or less);
- Relevant local or national authorities would be in
charge of protecting and preserving the site before
deciding on subsequent appropriate procedures. This
would require a preliminary evaluation of the findings to
be performed. The significance and importance of the
findings should be assessed according to the various
criteria relevant to cultural heritage; those include the
aesthetic, historic, scientific or research, social and
economic values;
- Law on Cultural
Heritage (2002);
- Law on Cultural
Heritage (2009)
supplemented and
amended;
- Decree No.
98/2010/ND-CP,
supplemented and
amended.
- Construction
Contractor
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- Decisions on how to handle the finding shall be taken
by the responsible authorities. This could include
changes in the layout (such as when finding an
irremovable remain of cultural or archeological
importance) conservation, preservation, restoration and
salvage;
- Decisions concerning the management of the finding
shall be communicated in writing by relevant authorities;
- Construction works could resume only after
permission is granted from the responsible local
authorities concerning safeguard of the heritage.
Operation stage
24 Impacts on
environmental quality
due to domestic waste
of operators
Mititgable - Before construction, a solid waste and a waste water
control procedure must be prepared by Contractors and it
must be carefully followed during construction activities;
- Before construction, all necessary waste disposal
permits or licenses must be obtained;
- Working location at site shall provide bins and
collection means of waste;
- Waste storage containers shall be covered, tip-proof,
weatherproof and scavenger proof;
- Provide toilet and septic tank at operation room of
substation to collect and treat domestic waster water of
operators;
- Solid waste may be temporarily stored on site in a
designated area approved by the Construction
Supervision Consultant and relevant local authorities
- Law on
Environment
protection No.
52/2005/QH11;
- Decree No.
59/2007/ND-CP on
solid waste
management;
- QCVN
14:2008/BTNMT:
National technical
regulation on
domestic
wastewater.
- Subproject’s
owner;
- Design
Consultant;
- Operation unit.
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No. Environmental – Social
Issues Impact
Assessment Mitigation Measures
Vietnam
Code/Regulation Responsibility
prior to collection and disposal through a licensed waste
collector.
25 Impacts on
environmental quality
due to hazardous waste
Mitigable - Before operation, a hazardous waste control
procedure must be prepared by management and
operation unit and it must be carefully followed during
operation process;
- Prohibit using PCBs in the subproject;
- Periodical maintenance for oil leakage of
transformer;
- Provide emergency oil tank to collect volune of oil
leakage if happening transformer’s risk;
- Provide storage and tank of hazardous waste in
accordance with stipulation of its management;
- Sign a contract with relevant unit to transfer
periodically hazardous waste.
- Circular
No.12/2011/TT-
BTNMT
management of
hazardous wastes.
- Subproject’s
owner;
- Design
Consultant;
- Operation unit.
26 Noise of transformer Mitigable - State technical requirement on noise of transformer
into bidding document;
- Transformer location will be far from operation
room;
- Periodical maintenance for transformer.
- QCVN
26:2010/BTNMT:
National technical
regulation on noise
- Subproject’s
owner;
- Design
Consultant;
- Operation unit.
27 Impacts on health due
to magnetic field
Mitigable - Design works have complied with international
standards to protect human’s health (electric field is less
than 5kV/m at fence location of substation and ROW of
transmission line);
- Earthing iron roof and metal structure for house in the
ROW of transmission line;
- Quy phạm trang bị
điện;
- Decree No.
14/2014/NĐ-CP.
- Subproject’s
owner;
- Design
Consultant;
- Operation unit.
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No. Environmental – Social
Issues Impact
Assessment Mitigation Measures
Vietnam
Code/Regulation Responsibility
- The post structures and connection points will locate
far from residential area and avoid climbing of small
animal;
- Operator must meet the operation procedure and
working time to ensure safety requirement;
- Operator must meet requirement to work in shifts for
ensuring contact time with electric field as specified
limit;
- Execute the environmental Monitoring Plan,
investigation, periodically check of magnetic field at
substation and transmission line;
- Periodical check and maintenance the safety distance
between objects in ROW of transmission line and
substation. The safety distance of high voltage wires is
specified in Decree No.14/2014/NĐ-CP.
28 Impacts on health of
operator and local
people due to electric
shock
Mitigable - Provide a relay system, grounding system and
lighting system for equipment of substation and
transmission line;
- Provide signals at tower location to warn operator,
maintenance worker and local people of a danger under
the high voltage transmission line;
- Provide signals at crossing section of national road to
warn of a transportation of traffic means in accordance
with stipulations of relevant authorities;
- Check regularly safety corridors of high voltage
power grid to maintain the power safety conditions;
- Operators must meet operation procedures to ensure
- Meet the relevant
regulations on power
sector;
- Circular No.
01/2011/TTLT-
BLDTBXH-BYT on
10/01/2011 of
Ministry of Labor –
Invalids and Social
Affairs and Ministry
of Health Portal;
- Decree No.
- Subproject’s
owner;
- Design
Consultant;
- Operation unit.
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No. Environmental – Social
Issues Impact
Assessment Mitigation Measures
Vietnam
Code/Regulation Responsibility
the power safety requirement;
- Equip fully instruments of labor protection, meet
stipulation on working time at area with high electrical
field to ensure safety requirements;
- Coordinate with the local government at location
crossed by the project and communicate, and disseminate
knowledge on safety corridors of high voltage power
grid to community; and announce them on loudspeaker
system and use posters at office of People’s committee
of commune.
14/2014/ND-CP.
29 Risk of fire, explosion
and oil overflow
incidents
Mitigable - Provide an emergency oil-tank and a fire fighting
system;
- Provide an automatic and manual fire alarm system;
- Check periodically all equipment and tools of fire
fighting system;
- Check and maintain regularly transformer and
auxiliary equipment to meet good operation;
- Educate operator on the fire fighting work.
- Decree No.
35/2003/ND-CP on
04/4/2003 of the
Government;
- Circular No.
11/2014/TT-BCA on
12/3/2014 of
Ministry of Public
Security.
- Subproject’s
owner;
- Design
Consultant;
- Operation unit.
30 Effects due to collapsed
tower
Mitigable - Carry out measure to reinforce the tower foundation
at locations of underground-water or geological
condition that it is not guranteed under the provisions of
the construction and power sectors.
- Consultant will supervise reinforcement of
foundation in accordance with the design as approved
on quantity, quality and construction stipulations during
construction process;
- Decree No.
15/2013/ND-CP on
06/02/2013 the
Government;
- Regulation on
power sector.
- Subproject’s
owner;
- Design
Consultant;
- Construction
Contractor
- Operation unit.
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No. Environmental – Social
Issues Impact
Assessment Mitigation Measures
Vietnam
Code/Regulation Responsibility
- Check carefully welding-gore and tighten bolts
before operation;
- Design foundation and tower based on the geological
investigation result;
- Check periodically quality of the project and repair
timely the collapsed tower;
- Case of the broken wire, relay will automatically
switch; and alarm system will operate and then operators
will repair timely at site.
Notes: All mitigation measures will be concretized as terms of construction contract, transportation contract and procurement contract of equipment and
materials in duration of construction and operation.
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VII. MONITORING PROGRAM
7.1. Objectives
It is essential to design the monitoring program and monitoring frequency appropriately to be
able to demonstrate both the overall performance of the subproject works as well as the short-
term impact due to peak construction activities. More specifically, as the integral and critical
part of the EMP, the environment-monitoring program should have the following objectives:
- Determine the actual extent of the impacts.
- Control impacts which are generated from construction process and mentioned in the
EMP.
- Check and supervise implementation of environmental protection solutions during
construction based on EMP.
- Suggest mitigation measures in case of unexpected impacts.
- Suggest to the related parties to coordinate with central and local environmental
organizations to solve any pending issues that might arise relating to environmental
protection under the scope of the subproject.
- Assess the effect of mitigation measures in pre-construction, construction and operation
stages and recommend for improvement.
7.2. Environmental Monitoring Plan
The environmental monitoring plan of the subproject is described in Table 7.1 below.
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Table 7.1. Environmental monitoring plan of the subproject
Impact
Monitored
parameter
Monitored point Monitoring
method
Timing/
frequency of
monitoring
Responsibility Verification
Pre-construction phase
1. The
permanent
and
temporary
land
acquisition in
ROW.
- Compensation
and assistance
works.
- Tower and
substation location;
- The ROW.
- Checking the
implementation
minutes of
compensation and
assistance;
- Observing and
consultating with
local residentials.
- During period of
compensation and land
acquisition.
- Owner’s
supervision;
- Independent
supervision in
compensation and
land acquisition.
2. Temporary
land
acquisition.
- Compensation
and return of site-
plan.
- Temporary site-
plan during
construction
- Checking the
implementation
minutes of
compensation;
- Observing and
consultating with
local residentials.
- During period of
agreement and
compensation;
- During return-period
of site plan after
construction
- Construction
contractor;
- Supervision
Consultant.
3. Vegetation
cover
clearance or
cutting down
trees.
- Clearance
technique;
- Disposal of
cut-down trees.
- Construction
location and along
the connection line.
- Warehouse and
stockpile.
- Observing - From beginning to
the last moment.
- Construction
contractor;
- Supervision
Consultant.
Construction phase
4. Dust and - Dust - Location of site - Observing and - Every week, when - Construction
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Impact
Monitored
parameter
Monitored point Monitoring
method
Timing/
frequency of
monitoring
Responsibility Verification
air pollution
from
construction
and
transportation
means
contamination at
site and
transportation
road;
- Operation
condition of
construction and
transportation
machinery.
and warehouse and
stockpile;
- Along
transportation road.
consultating with
local residentials;
- Checking
register license of
machinery.
having official
acceptance of work.
contractor;
- Supervision
Consultant.
5. Noise
level and
vibration.
- Noise level by
machinery;
- Local resident
response to noise
from the
construction
process.
- The line section
running over
residental area.
- Observing and
consultating with
local residents;
- Checking
register license of
machinery.
- During activities
that may result in high
noise level;
- Complaints by local
residents.
- Construction
contractor;
- Supervision
Consultant.
6. Increase of
turbidity due
to surface
water flow
- Drainage
system, sediment
gate, weather
condition
(season),
vegetation cover
clearance and
slope.
- In boudary of
substation, along
ROW of connection
line, near to water
resource and slope in
region of the
subproject.
- Observing - During and after
heavy rain.
- Construction
contractor;
- Supervision
Consultant.
7.
Environment- Situation of
wastewater at site
- At site;
- Gathering area of
- Observing - Every week, when
having official
- Construction
contractor;
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Impact
Monitored
parameter
Monitored point Monitoring
method
Timing/
frequency of
monitoring
Responsibility Verification
al quality due
to wastewater
location;
- The tents have
been supplied
clean water and
had sanitary
latrines.
workers. acceptance of work. - Supervision
Consultant.
8.
Environment
al quality due
to waste
- Domestic
waste,
construction
waste and
collection method
and discharge
- At drainage
location, camp and
stockpile of waste
- Observing - Every week, when
having official
acceptance of work.
- Construction
contractor;
- Supervision
Consultant.
9. Water and
soil pollution
due to
hazardous
waste
- Maintenance
and repair
activities for
construction
means
- Construction
means gathering
area.
- Observing - During maintenance
and repair period of
construction means
- Construction
contractor;
- Supervision
Consultant.
10. Erosion
and
eboulement
due to
excavation
and backfill
- Situation of
erosion and
eboulement at the
site location
- Substation and
tower foundation
location;
- Canals near to
construction
location.
- Observing and
consultating with
local residents
- During excavation
and backfill process of
tower foundation.
- Construction
contractor;
- Supervision
Consultant.
11. Traffic
interruption
due to
- Number of
transportation
- At access roads
of stockpiles;
- Observing and
consultating with
- During gathering
materials;
- Construction
contractor;
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Impact
Monitored
parameter
Monitored point Monitoring
method
Timing/
frequency of
monitoring
Responsibility Verification
construction
activities
means;
- Traffic
condition at the
intersected
location with the
traffic roads.
- Traffic section at
the intersected
location.
local residents - During constructing
at the intersected
locations.
- Supervision
Consultant.
12. Effects on
local traffic
system
quality
- Weight
vehicles on the
local roads;
- Situation of
roads surface,
density of traffic.
- Along the
transportation route.
- Observing and
consultating with
local residents
- Every week, when
transporting material
and equipment to the
site;
- Completion of
construction.
- Construction
contractor;
- Supervision
Consultant.
13. Safety
and health
from camps
and disease
- Sanitation
situation and
hygiene of
worker's camp;
- Sanitary
situation at
stockpiles.
- Worker's camps;
- Stockpiles's
location.
- Observing;
- Consulting
with workers.
- Every week, when
official acceptance of
work.
- Construction
contractor;
- Supervision
Consultant.
14. Conflict
between
construction
workers and
local people
- Worker and
their living-
condition.
- Worker's camps. - Observing;
- Consulting
with worker and
local residents
- Every week, when
official acceptance of
work.
- Construction
contractor;
- Supervision
Consultant.
15. Risks for - Safety - At site and - Observing; - Every week, when - Construction
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Impact
Monitored
parameter
Monitored point Monitoring
method
Timing/
frequency of
monitoring
Responsibility Verification
worker and
local people.
condition at site;
- Complying
with regulation of
labor safety
worker’s camp. - Consulting
with worker and
local residents;
- Checking
site’s diary
official acceptance of
work.
contractor;
- Supervision
Consultant.
Operation phase
16. Domestic
waste of
operator
- Situation of
collection, storage
and discharge
- At substation’s
site
- Observing;
- Checking
receipt of waste
collection;
- Consulting
with operator.
- 3 months/time - Operation unit.
17.
Environment
al quality due
to hazardous
waste
- Situation of
collection, storage
and transfer of
hazardous waste
- At substation’s
site
- Observing;
- Checking
documents in
transfer the
hazardous waste;
- Consulting
with operator.
- 3 months/time - Operation unit.
18. Noise of
transformer - Noise level - Complaints by
local residents.
- Observing and
consulting with
local residens;
- Noise meter.
- Complaint - Operation unit.
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Impact
Monitored
parameter
Monitored point Monitoring
method
Timing/
frequency of
monitoring
Responsibility Verification
19. Impact on
health due to
high
magnetic
field
- Magnetic
field.
- At house nearest
to the ROW;
- At house nearest
to the substation.
- Consulting
with local
residents;
- Electro
magnetic meter.
- 6 months/time;
- Complaint of local
people.
- Operation unit.
20. Accident
due to
electricity
- Safety
condition of high
voltage power
grid;
- Frequency of
check and
maintenance of
safety condition
- At substation and
surrouding area;
- At ROW.
- Observing;
- Consulting
with local
residents and
operator;
- Checking
procedures of
safety and
implementation
document
- 6 months/time;
- Complaint of local
people.
- Operation unit.
21. Fire
hazard and
oil-overflow
of the
transformer
- Safety
condition;
- Available
situation to treat
and overcome
risk
- At substation,
location of
transformer and
control room
- Observing;
- Consulting
with operator;
- Checking
procedures for
prevention and
treatment and
document of
implementation
- 3 months/time. - Operation unit.
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Impact
Monitored
parameter
Monitored point Monitoring
method
Timing/
frequency of
monitoring
Responsibility Verification
22. Hazard
on collapsed
tower
- Loading
situation of tower
and foundation.
- At tower
location.
- Ovserving;
- Checking.
- 3 months/time;
- When a storm will
be proposed to happen.
- Operation unit.
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VIII. EMP IMPLEMENTATION ARRANGEMENTS
8.1. EMP Implementation Arrangement
Proper environmental management during construction requires the involvement of several
stakeholders and agencies, each with different roles and responsibilities including: NPT,
NPMB, DONREs (Provincial Department of Natural Resources and Environment) of Bac
Ninh province and Ha Noi city, the Contractors, the Construction Supervision Consultant, and
local communities.
To ensure effective implementation of the EMP, the following actions will be carried out
during the implementation of the subproject:
a) During the detailed design and tender documentation making
- During the detailed design of technical specifications and preparation of bidding contract
documents for each contract, the technical design consultant will incorporate into these
bidding and contractual documents the parts of the EMP specific to that contract, as well as
the specific measures identified in the EMP.
- In preparing the bidding and contract documents, make an effort to ensure that the
contractors are aware of the safeguard obligation and commit to comply. The environmental
and social specifications needs to be included in the bidding and contractual documents.
b) During the course of preconstruction and construction
NPMB will assign the Construction Supervising Consultant (CSC) and/or field engineer to be
responsible for supervision of safeguard performance of contractor on a daily basis. A generic
Terms of Reference (TOR) is provided in Appendix 2. CSC and/or field engineers will carry
out, but not limited to, the following tasks:
- Before the commencement of the construction, confirm that all compensation for land
and facilities are provided and relocation and/or land acquisition/donation has been
completed.
- Review and approve Site Environmental Management Plan (SEMP) to be prepared by
contractor before the commencement of the construction.
- Closely supervise the implementation of the EMP throughout the construction period.
- Confirm the compliance with the agreed environmental plan and inspect any damages
incurred by the contractor. If necessary, prepare an order to compensate/restore the
construction sites as specified in the contracts. Contractor safeguard performance will be
included in the subproject progress report.
The role and responsibilities of relevant parties in the implementation of EMP are described
in the following table:
Table 8.1. Responsibility for EMP implementation by different stakeholders
Community/
agencies
Responsibilities
Subproject
Implementing
Agency: EVNNPT
- EVNNPT will be responsible for overseeing the subproject
implementation including ESMF implementation and environmental
performance of the subproject.
- The NPMB will be responsible for monitoring the subproject
implementation, including environmental compliance of the project.
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Community/
agencies
Responsibilities
Subproject
Implementing
Agency: NPMB
SPMB will have the final responsibility for ESMF implementation
and environmental performance of the subproject during both the
construction and operational phases.
- The NPMB is responsible for fostering effective coordination and
cooperation between contractor, local authorities, and local
communities during construction phase. NPMB will be assisted by
the environmental staff, and CSC/or field engineer.
- Specifically NPMB will: i) closely coordinate with local authorities
in the participation of the community during subproject preparation
and implementation; ii) monitor and supervise EMP implementation
including incorporation of EMP into the detailed technical designs
and bidding and contractual documents; iii) ensure that an
environmental management system is set up and functions properly;
iv) be in charge of reporting on EMP implementation to EVNNPT
and the World Bank.
- In order to be effective in the implementation process, NPMB will
establish an Environmental Unit with at least an environmental staff
to help with the environmental aspects of the project.
Environmental
Unit EU (EU)
under NPMB
- The EU is responsible for monitoring the implementation of WB’s
environmental safeguard policies in all stages and process of the
subproject. Specifically, this unit will be responsible for: i) reviewing
the subproject EIAs and EMPs prepared by consultants to ensure that
they follow the project ESMF and meet the government and the Bank
requirements; ii) helping NPMB incorporate EMPs into the detailed
technical designs and civil works bidding and contractual documents;
iii) helping NPMB incorporate responsibilities for EMP monitoring
and supervision into the TORs, bidding and contractual documents
for CSC; iv) providing relevant inputs to the consultant selection
process; v) reviewing reports submitted by the CSC; vi) conducting
periodic site checks; vii) advising SPMB on solutions to
environmental issues of the project; and viii) preparing
environmental performance section on the progress and review
reports to be submitted to EVNNPT, the Bank, and the local
authorities if requested.
Construction
Supervision
Consultant (CSC)
and/or Field
Engineer
- The CSC will be responsible for routine supervising and monitoring
all construction activities and for ensuring that Contractors comply
with the requirements of the contracts and the EMP. The CSC shall
engage sufficient number of qualified staff (e.g. Environmental
Engineers) with adequate knowledge on environmental protection and
construction project management to perform the required duties and
to supervise the Contractor’s performance.
- The CSC also assists NPMB in reporting and maintaining close
coordination with the local community.
- Based on the approved EMP and environmental
specifications/requirements in the bidding and contractual documents,
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Community/
agencies
Responsibilities
Contractor
the Contractor is responsible for establishing a site-specific EMP for
each construction site area, submit the plan to the NPMB and CSC for
review and approval before commencement of construction. In
addition, it is required that the Contractor get all permissions for
construction (traffic control and diversion, excavation, labor safety,
etc. before civil works) following current regulations.
- The contractor is required to appoint a competent individual as the
contractor‘s on-site Safety and Environment Officer (SEO) who will
be responsible for monitoring the contractor‘s compliance with the
EMP requirements and the environmental specifications.
- Take actions to mitigate all potential negative impacts in line with the
objective described in the EMP.
- Actively communicate with local residents and take actions to prevent
disturbance during construction.
- Ensure that all staff and workers understand the procedure and their
tasks in the environmental management program.
- Report to the NPMB on any difficulties and their solutions.
- Report to local authority and NPMB if environmental accidents occur
and coordinate with agencies and keys stakeholders to resolve these
issues.
Local community
- Community: According to Vietnamese practice, the community has
the right and responsibility to routinely monitor environmental
performance during construction to ensure that their rights and safety
are adequately protected and that the mitigation measures are
effectively implemented by contractors and the PMB. In case of
unexpected problems, they will report to CSC/PMB.
Mass
organizations
- These organizations could play a role as a bridge between the
PPC/DPC, communities, contractors, and PMB by assisting in
community monitoring.
- Mobilizing communities participation in the subproject, providing
training to communities.
- Participating in solving environmental problems if any.
Province and
District
People’s
Committees
(PPCs/DPCs),
Provincial
DONRE
- Oversee implementation of subprojects under recommendations of
DONRE and PMB to ensure compliance of Government policy and
regulations.
- DONRE is responsible for monitoring the compliance with the
Government environmental requirements.
8.2. EMP Implementation Reporting Requirement
The safeguard performance will be included in the subproject and Project progress reports.
PMBs with assistance from the CSC will include safeguard performance at subproject level to
PMBs periodically. At the project level, EVNNPT will prepare safeguard performance report
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twice per year for submission to the World Bank describing the Project progress and
compliance with the ESMF and other safeguard requirements. The reporting requirement is
described in Table 8.2 below.
Table 8.2. Reporting Procedures
Report Prepared by Submitted to Frequency of Reporting
1 Contractor to the Employer NPMB Once before construction commences
and monthly thereafter
2 Construction Supervision
consultant (CSC)
PMB Weekly and monthly
4 Community Monitoring PMB When the community has any
complaint about the subproject
safeguards implementation
5 PMBs EVNNPT Six-monthly
6 EVNNPT WB Six-monthly
PMBs’ report on environmental performance/compliance of the subproject should be included
in the progress report submitted to the NPT before each project implementation support
mission and must include sufficient information on: i) preparation and disclosures of
environmental safeguards instruments for subprojects; ii) incorporation of new subproject
EMPs in the bidding and contractual documents; iii) monitoring and supervision of EMP
implementation by the contractor, the construction supervision engineer, and the PCs; iv) any
challenges in safeguard implementation, solutions, and lessons learned.
8.3. Capacity Building for EMP Implementation
Training plan includes:
- Training program of EVN: Internal training about implementation of on-site