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TRANSCRIPT
Rehabilitation of 110kV Ba Che – Nui Mot electric line
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Environnment Management Plan 1
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NORTH POWER CORPORATION
Electric Network Project Management Board
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ENVIRONMENTAL MANAGEMENT PLAN
(EMP)
SUBPROJECT:
Rehabilitation of Ba Che - Nui Mot 110kV Electric
Line
PREPARED BY
CONSULTING CENTER FOR POWER DESIGN AND CONSTRUCTION
Hanoi, 19 April 2012
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Rehabilitation of 110kV Ba Che – Nui Mot electric line
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Environnment Management Plan 2
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ABBREVIATIONS
CPC Commune People’s Committee
DEP Distribution Efficient Project
ECOP Environmental Code of Practice
EIA Environmental Impact Assessment
EMF Environmenatl Management Framework
EMP Environmental Management Plan
EVN Electricity of Vietnam
GOV Government of Vietnam
HH Household
HV High voltage
LV Low Voltage
MOIT Ministry of Industry and Trade
MONRE Ministry of Natural Resources and Environment
MV Medium Voltage
NGO Northern Grid Company
NPC Northern Power Corporation
OHL Overhead Line
PAH Project Affected Household
PCBs Polychlorinated Biphenyls
PMU Network Project Management Unit (under the NPC)
PPC Provincial People’s Committee
ROW Right of Way
WB World Bank
Rehabilitation of 110kV Ba Che – Nui Mot electric line
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MỤC LỤC
1. INTRODUCTION ................................................................................................................................ 4 2. Policy, Regulations, and Institutional Frameworks ................................ Error! Bookmark not defined. 2.1. Government Regulations: ........................................................................... Error! Bookmark not defined. 2.2. World Bank Safeguard Policies.................................................................. Error! Bookmark not defined. 3. SUBPROJECT DESCRIPTION ......................................................... Error! Bookmark not defined. 3.1. Objectives of the Subproject .................................................................................................................... 5 3.2. Subproject Location ................................................................................................................................. 6 3.3. Subproject Management Organization ..................................................................................................... 6 3.4. Subproject Components ........................................................................................................................... 6
3.4.1. 110kV electric line improvement component:
Error! Bookmark not defined.
3.4.2. transformer station ................................................................................ Error! Bookmark not defined.
3.4.3. Rehabilitation of 110kV electric line.................................................... Error! Bookmark not defined.
3.4.4. Main work volume of the Project: ........................................................ Error! Bookmark not defined.
4. ENVIRONMETNAL BACKGROUND ............................................................................................ 12 4.1 Geography and Geology ........................................................................................................................ 12 4.1.1 Geography: .............................................................................................................................. 12 4.2 Natural Resources ...................................................................................... Error! Bookmark not defined. 4.2.1 Soil Resources .............................................................................. Error! Bookmark not defined. 4.2.2 Forest Resources.......................................................................... Error! Bookmark not defined. 4.2.3 Mineral Resources ....................................................................... Error! Bookmark not defined. 4.3 Population, Culture, Society....................................................................... Error! Bookmark not defined. 5. SUBPROJECT POTENTIAL IMPACTS .......................................................................................... 15 6. ENVIRONMETNAL MANAGEMENT PLAN ................................................................................ 20 6.1. Mitigation Measures............................................................................................................................... 20 6.2. Environmental Monitoring Plan ................................................................. Error! Bookmark not defined. 7. EMP IMPLEMENTATION ARRANGEMENT AND CAPACITY BUILDINGError! Bookmark not defined. 7.1 Responsibilities for Implementing the Environmental Management Plan . Error! Bookmark not defined. 7.1.1 During Detailed Design and Preparation of Bidding Contract DocumentsError! Bookmark not defined. 7.1.2 During Construction Phase ......................................................... Error! Bookmark not defined. 7.2 Capacity Building for EMP Implementation .............................................. Error! Bookmark not defined. 7.3 Reporting procedure ................................................................................... Error! Bookmark not defined. 7.4 Estimated cost for implementing the EMP ................................................. Error! Bookmark not defined. 8. PUBLIC CONSULTATION AND DISCLOSURE OF INFORMATIONError! Bookmark not defined.
Rehabilitation of 110kV Ba Che – Nui Mot electric line
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I. INTRODUCTION
With existing electric network and source and projected load requirements in coming
years in the region, Rehabilitation of Ba Che - Nui Mot 110kV electric line with its existing
facilities and cross-section of the existing line will not be able to meet predicted power
demand. Therefore, to prevent the system from overloading in the short term and ensure load
capacity for the subsequent stages for the region, it is very necessary to implement the
rehabilitation of the Ba Che - Nui Mot 110kV electric line.
Rehabilitation of 110kV Ba Che – Nui Mot electric line will solve out the following
issues: i) Meeting load requirements as analyzed and forecasted; ii) Meeting electric power
requirement for the existing and future loads; iii) Improving the quality of electric power
supply; and iv) Enhancing reliability and convenience in the system operation and
management.
Being aware of necessity for investment and construction of this works, Thanh Hoa
province requested the World Bank to finance for this sub-project. Rehabilitation of the Ba
Che - Nui Mot 110kV electric line sub-project is one of the sub-projects which will be
implemented in Phase I of Distribution Efficiency Project (DEP) by Electricity of Vietnam
(EVN) and financed by WB. The sub-project will be implemented in the area of two districts,
namely Dong Son and Thieu Hoa in Thanh Hoa province.
Activities of the sub-project include: i pansion o a C trans ormer station
relocation of power capacitor, reactance and 110kV valve lightning-resistance for collector;
installation of switchgear for the expansion cell; ii) Expansion of Nui Mot 110kV transformer
station; uninstall of T3 transformer and 110kV valve lightning-resistance; installation of
switchgear for one expansion cell iii) rehabilitation of 10,630m of the 110kV line. These
activities may cause adverse impacts on the environment and local community in the pre-
construction period, construction period and operation period.
To ensure potential adverse impacts to be identified during preparation and mitigated
during the implementation of the sub-project and to comply with environmental assessment
policy of WB (OP/BP 4.01), an Environmental Management Plan (EMP) of the sub-project
has been prepared based on the guidance of Environmental Management Framework (EMF)
of DEP project. This EMP includes: description of sub-project, applicable policies,
environmental technical standards and regulations, potential adverse impact, mitigation
measures proposed to be undertaken in the pre-construction, construction and operation
stages, under implementation arrangement. EMP also includes Environmental codes of
Practices (ECOP) which will be incorporated in tender documents constructon contracts
According to the Government EIA regulation, the Sub-project shall prepare
Environmental Protection Commitment. The Sub-project’s commitment as been certi ied on
5 Jul 11 by Dong An District People’s Committee in T an Hoa province.
II. Policy, Regulations, and Institutional Frameworks
2.1. Government Regulations
The following Vietnamese legislations are applicable to the Project:
Environment Protection Law 52/2005/QH11 passed by the National Assembly dated on
29/11/2005 regulating responsibilities of individuals and organizations regarding
environmental protection.
Rehabilitation of 110kV Ba Che – Nui Mot electric line
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Law on Cultural Heritage No. 28/2001/QH10,
The Law on Water resources no. 08/1998/QH10 dated 20 May 1998.
Decree no. 29/2011/NÐ-CP dated 18 April 2011 regarding regulations on strategic
environmental assessment, environmental impacts assessment and environmental
protection commitments.
Circular no. 26/2011/TT-BTNMT dated 18 July 2011 detailing some articles of Decree
no. 29/2011/ND-CP dated 18 April 2011 regarding regulations on strategic environmental
assessment, environmental impacts assessment and environmental protection
commitments.
Decree 106/2005/ND-CP dated 17th
August 2005 on detailed regulations and
guidance on implementation of some Articles of the Law on Electricity related to
safe protection of high voltage networks.
Decree 81/2009/ND-CP dated 12th
October 2009 on revision and addition of some
Articles of Decree 106/2005/ND-CP dated 17th
August 2005 on detailed
regulations and guidance on implementation of some Articles of the Law on
Electricity related to safe protection of high voltage networks.
Circular no. 12/2011/TT-BTNMT dated 14 April 2011 regarding the management of
hazardous wastes.
National Technical Regulations: QCVN01:2009/BYT - National technical regulations on
quality of drinking water; QCVN02:2009/BYT - National technical regulations on quality
of domestic water; QCVN08:2008/BTNMT - National technical regulations on quality of
surface water; QCVN09:2008/BTNMT - National technical regulations on quality of
groundwater; QCVN05:2009/BTNMT - Air quality – Standards for ambient air quality;
QCVN06:2009/BTNMT - Air quality – Maximum allowable concentration of hazardous
substances in the ambient air.
EVN Guidance no. 2623/CV-EVN – KHCN&MT, dated 28 May 2007 regarding the
management and pollution prevention and exposure to PCBs.
2.2. World Bank Safeguard Policies
The environmental screening in accordance with the criteria described in the
Environmental Management Framework of DEP project has been carried out and it showed
that the Sub-project shall apply Environmental Assessment Policy (OP 4.01), involuntary
Resettlement Policy (OP 4.12) and information announcement policy of the World Bank. The
implementation of policy OP 4.12 will be described in a separate social safeguard document.
III. SUBPROJECT DESCRIPTION
3.1. Objectives of the Subproject
“Re abilitation of the Ba Che - Nui Mot 110kV electric line in T an Hoa province”
Project will be implemented with the following objectives:
+ To protect overload of 110kV electric line, feeder 172 Nui mot – Ba Che.
+ To meet power supply demand at present and in future
+ To ensure reliable power supply and quality of power.
+ To strengthen electric network capacity.
+ To accord with Thanh Hoa province electricity development plan for a period from
2005 to 2010 taking account of 2015.
+ To contribute to socio-economic development and expand electric power business.
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3.2. Subproject Location
T e electric line goes t roug suc areas as Đong T an & Đong Tien communes in
Đong Son district, T ieu Trung & T ieu Ly communes in T ieu Hoa district in T an Hoa
province.
3.3 .Subproject Management Organization
- Project Owner: Southern Power Corporation
- Design Consultant Agency: Branch of Power Joint Stock Company – Power
Engineering Design Consultant Center.
- Project Management Agency: Electric Network Project Management Unit - Northern
Power Corporation.
3.4. Subproject Components
3.4.1. 110kV electric line improvement component:
The length of each section of the line and areas of the communes through which the
line goes are described as below:
No Localities through which
the line goes
Length (m) Description
01 Thieu Ly commune in
Thieu Hoa district.
171.0
The line section from G15 – G16 has 2 steel
poles to be improved. The line cuts through
three 22kv power lines and 2 graves of Bac
village in Thieu Ly commune.
02 Thieu Ly commune in
Thieu Hoa district.
1,491.3 G16 - G17 has 8 steel poles to be improved.
The line mainly runs through rice fields, cuts
through 8 power lines and 01 cable
communications line. It affects 03 private
houses within its corridor. G17 is located at a
rather gently sloping treeless hill base.
03 Thieu Ly commune in
Thieu Hoa district.
143.8 G17 - G17A has 1 steel pole to be improved.
The line mainly runs on the side of
eucalyptus hill (70.8m). No private house is
located in the line corridor.
04 Thieu Trung commune in
Thieu Hoa district.
550.0 G17A - G18 has 02 steel poles to be
improved. The line runs on the side of
eucalyptus hill (110m) to the rice field with
388m and cuts through 4 private houses
which are affected in the line corridor, 01
power line and 01 cable communications
line.
05 Thieu Trung commune in
Thieu Hoa district.
1,120.5 G18 - G19 has 05 steel poles to be improved.
The line runs completely on the rice field of
1100m, crosses over small cannels; cuts and
affects 05 private house in the line corridor
and cuts through 01 power line and 01 cable
communications line.
06 Đong Thanh commune in
Đong Sơn district
1,426.5 G19 - G20 has 06 steel poles to be improved.
The line runs completely on the rice field,
crosses over irrigational canals. It cuts
through 02 cable communication lines and
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No Localities through which
the line goes
Length (m) Description
05 power lines.
07 Đong T an commune in
Đong Sơn district
1,574.0 G20 - G21 has 06 steel poles to be improved.
The line cuts 2 small ponds, 03 power lines,
cuts and affects 3 private houses within the
corridor of the line. The house of Mr. Le Huu
Tien is closest to the corridor, 6m.
08 Đong Tien commune in
Đong Son district.
2,392.9 G21 - G22 has 06 steel poles to be improved.
The line runs completely on the rice field. It
cuts through 02 power lines. No private
houses and small canals are affected within
the corridor.
09 Đong Tien commune in
Đong Son district.
1,773.7 G22 - ĐC as 07 steel poles to be improved.
There are 02 graveyards (244m +254m) in
Đông Tân communes located in t e corridor
of the line. The line runs through rice field of
886m and crop area of 241m (mainly
peanut). It runs through pond of 200m2 in
area. It crosses over some small irrigational
canals. ĐC is t e e isting steel pole 1 6 and
etc.
3.4.2 Transformer station:
Expansion of 110kV connection at Nui Mot 110kV transformer station:
The connection expansion starts with its construction inside the fences of Nui Mot 110
kV Transformer Station. The Station is located at Dong Tien Commune, Dong Son District,
Thanh Hoa Province and surrounded by the agricultural land; its front side is adjacent to
highway 47.
Expansion of 110kV connection at Ba Che 220kV transformer station:
The connection expansion starts with its construction inside the fences of Ba Che
220kV Transformer Station. The Station is located at Thien Ly Commune, Thien Hoa
District, Thanh Hoa Province the two sides of it is adjacent to the population area ( 7.2m), the
back side of it is adjacent to agricultural land and the front side of it is adjacent to the
interdistrict 12m wide concrete road.
3.4.3. Rehabilitation of 110kV electric line.
- Voltage level: 110kV.
- No. of circuits: 2 circuits
- Beginning point : Nui Mot 110kV Transformer station
- End point : Ba Che 220kV transformer station
- Length: 10,6 km
- Conductor wire : ACSR240/32
- Earth wire: fibre cable combined with lightning OPGW - 57
- Insulating: use glass or pottery insulator which is fabricated under the standard IEC.
- Column: Erect dip-galvanized steel column erected by paland.
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- Foundation: use cast-in-place reinforced concrete foundation.
Expansion of Ba Che 220kV transformer station:
a. Single line component:
- The project will not install more transformers but only remove power capacitor,
coercitive capacitor and 110kV valve lightning resistance of the power capacitor cell to a new
location to take back land for construction of the expanded bay.
- 110kV side: Install a switchgear for one expanded cell under a diagram of 2 busbar
systems and loop busbar including main equipment such as switch, disconnector, current
transformer. Equip with additional earthing equipment and lightning protection for the
expandable and transportable equipment.
b. Secondary line component:
- Equip with control – measuring and protection equipment for the expansion cells and
equipment in the station in accordance with the existing standards and regulations.
- Protection control boards shall be placed in the control house of the station.
c. Construction component:
- Construct pole foundation, poles and beam for the expansion cell and improved power
capacitor cell.
- Construction of foundation of piers and equipment supports for the expansion cell and
improved power capacitor cell.
- Construct cable trough system for the expansion cell and improved power capacitor
cell.
Expansion of Nui Mot 110kV transformer station:
a. Single line component:
The Nui Mot 110kV transformer station has been put into operation since 90s. The
station is operating three 110kV transformers with a total capacity of 2x40MVA +16MVA,
out of which the transformers T1 and T2 have capacity of 40MVA. The transformer T3 is
presently being separated from the power network and not operated. Its capacity is 16MVA.
After disassembling, the transformer T3 will be safely stored in the storage of Thanh
Hoa Power Company which is the operation and management unit.
- Do not install more transformers; only disassemble transformer T3 and the existing
110kV valve lightning resistance to construct the expansion cell to Thanh Hoa.
- 110kV side: Install the switchgear for one expansion cell under the diagram of 2
busbar systems and loop busbar including main equipment such as switch, disconnector,
current transformer. Equip with additional grounding system and lightning resistance for the
expandable and transportable equipment.
b. Secondary line component:
- Equip with control – measuring and protection equipment for the expansion cells and
equipment in the station in accordance with the existing standards and regulations.
- Protection control boards shall be placed in the control house of the station.
c. Construction component:
- Construct pole ffoundation, poles and beam for the expansion cell.
- Construction of foundation of piers and equipment supports for the expansion cell.
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- Construct a cable trough system for the expansion cell.
- Dismantle supports for 110kV valve lightning resistance and foundation of the
existing transformer T3. Relocate the existing transformer T3 to the appropriate
location.
3.4.4. Main work volume of the Project:
Construction component
Construct column foundation, column, beam for expansion cell and improved power
capacitor cell.
Construct pier foundation, support for equipment for the expansion cell and improved
power capacitor cell.
Construct cable trunk system for the expansion cell and improved power capacitor cell.
- Excavate pole foundation manually.
- Erect poles manually combined with winch and reel.
- Install beam, porcelain manually after erecting the pole.
- Stretch wire and take sagging manually combined with winch and reel.
Main activities before and during the construction period
General requirement:
The preparation work shall be carried out suitable for the construction progress,
weather characteristics and infrastructure of the construction area.
Utilization of vacancy areas within the limit of the station to arrange equipment
and material storages.
Camps shall be close to the construction site for facilitating the construction, life
activities and personnel mobilization.
Based on quantity of the construction and erection work, quantity of materials and
equipment, construction progress and etc., it is expected that the scale of
temporary works and storage/yard will be as follows:
Temporary storage/yard
Indoor storage
Building structures made from bamboo, Neohouzeaua, wood, wallboard roof.
Storage area: 50,0m2
In which:
Used to store cement: 35m2, goods storage standard 1,6 tấn/m
2.
Used to store construction tools 15m2.
Outdoor storage, camp
Total area: 100m2
In which
Used to store steel: 30m2
Used to store formwork wood: 20m2
Used to fabricate steel: 50m2
Casting yard
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Construction structure is made of bricks, plastered with cement motar and tin-
roofed.
Concrete M50 with the thickness of 100, dense compaction, cement mortar
finishing M50 of 2cm in thickness.
Area: 50m2
Construction materials stock yard
Structure: levelling, compaction
Area: Use the available graded plan in the station.
Office room – medical room on site
+ Structure: bamboo lattice, slender bamboo, palm leaves; with a good system waste
water drainage and round-up, and lavatory.
+ Diving and living areas = 120m²
+ Running water taken from existing source of the region and bought from the
locality. Therefore, it is necessary to buld a water pipe line and a water basin for daily life.
Electricity and water for use in the construction.
Water and power for the construction
Power used for construction:
For the electric power for the construction, the Contractor is requested to prepare a generator
to take the initiative in sources for construction and erection. In addition, 380V/220V power
source of the area 150m away from the station will be used.
Water for construction:
Water for construction will be taken from the existing source in the region. Water supply
source is about 100m away from the station. Therefore, the construction of one pipeline and 1
water tank will be required to supply water for construction.
Main volume:
No Description Unit Qty. Remark
1 Excavate foundation pit soil m3 13,171
2 Backfill foundation pit m3 11,708
3 Place lean concrete M100 m3 304
4 Place foundation concrete M200 m3 1,159
5 Fabricate & place reinforcement Ton 136.6
6 Anchored bolt Ton 11.7
7 Grounding Ton 1.14
8 Erect steel pole Ton 298.48
9 Wire conductor ACSR240/32 Km 65.48
10 Fiber cable OPGW 57 Km 11,15
11 Anchored chain + support for power line Chain 360
12 Conductor antivibration CR4-22 Each 90
Quantity of construction of Ba Che 220kV bay
No. Name Unit Quantity Note
1. Support pier foundation for transformer 110 kV piece 3
2. Support pier foundation for cut-out 110 kV piece 12
3. Support pier foundation for current variable
110kV
piece 3
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4. Support pier foundation for cutter-off 110kV piece 2
5. Support pier foundation for stand porcelain 110kV piece 5
6. Support pier foundation for capacitor 110kV set 3
7. Support pier foundation for resistance reel 110kV set 3
8. Support pier foundation for lightning-proof valve
110kV
piece 3
9. Support pier foundation for neutral current
variable 110kV
piece 1
10. Support pier for transformer 110 kV piece 3
11. Support pier for cut-out 110 kV piece 12
12. Support pier for current variable 11 (TĐ-50) piece 3 high
5m
13. Support pier for cutter-off 110kV piece 2
14. Support pier for stand porcelain 110kV piece 4
15. Support pier for capacitor set 3 Re-use
16. Support pier for resistance reel set 3 Re-use
17. Support pier for lightning-proof valve 110kV pier 3 Re-use
18. Support pier for neutral current variable pier 1 Re-use
19. Centrifugation concrete pile LT14d column 03
20. Centrifugation concrete pile LT20d column 02
21. Centrifugation pile support LT20d column 06
22. Pile foundation MT8 foundati
on
11
23. Steel beam 9m, tinned with heat set 5
24. Steel beam 6m, tinned with heat set 3
25. Tinned necking with heat set 13
26. Connection cabinet jack piece 01
27. Lightning-rod set 02
28. Buried cable ditch m 150
Demounting part
No. Name Unit Quantity Note
1. Support pier foundation for capacitor 110kV set 3
2. Support pier foundation for resistance reel
110kV
set 3
3. Support pier foundation for lightning-proof
valve 110kV
piece 3
4. Support pier foundation for neutral current
variable 110kV
piece 1
5. Support pier for capacitor set 3 move to other
place
6. Support pier for resistance reel set 3 id
7. Support pier for lightning-proof valve 110kV pier 3 id
8. Support pier for neutral current variable pier 1 id
Quantity of construction of 110kV bay of Nui Mot 110kV transformer station
No. Name Unit Quantity Note
1. Support pier foundation for transformer piece 3
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110 kV
2. Support pier foundation for cut-out 110
kV
piece 12
3. Support pier foundation for current
variable 110kV
piece 3
4. Support pier foundation for cutter-off
110kV
piece 2
5. Support pier for transformer 110 kV piece 3
6. Support pier for cut-out 110 kV piece 12
7. Support pier for current variable 110kV piece 3
8. Support pier for cutter-off 110kV piece 2
9. Centrifugation concrete pile support
LT20D
column 5
10. Centrifugation concrete pile LT14B column 3
11. Centrifugation concrete pile LT20D column 1
12. Pile foundation MT8 foundation 9
13. Steel beam 6m, tinned with heat set 3
14. Steel beam 9m, tinned with heat set 2
15. Tinned necking with heat set 12
16. Connection cabinet jack piece 01
17. Lightning-rod set 01
18. Buried cable ditch m 100
19. Demounting and moving MBA T3 machine 01
20. Demounting foundation MBA T3 foundation 01
Construction period
The works is scheduled to commence construction in Quarter III, 2012 within 120 days.
Scheduled construction progress table for the works (for main work):
An expected maximum number of workers at one construction location will be 60
persons.
Specialized construction team for construction of line includes as follows:
▫ Direct working : 40 persons
▫ Indirect working : 15 persons
▫ Site managing board : 05 persons
IV. ENVIRONMETNAL BACKGROUND
4.1 Geography and Geology
Geography: Đong Son district is a delta one located in Ma river valley. It is bounded on the
east by Thanh Hoa city, on the north by Thieu Hoa district, on the west by Trieu Son district,
on the southwest by Nong Cong district, on the south and southeast by Quang Xuong district,
all in Thanh Hoa province. Natural land area of Đong Son district is 106.4 km². Its population
is of 107,900 people (1999); its ethnic groups mainly include Kinh people. Đong Sơn has big
and convenient traffic routes such as NH45 from Thanh Hoa city, through the northern
district, through forest town to Thieu Hoa district. NH 47, from Thanh Hoa city, through the
northern district, forest town to Triệu Sơn district. North – West railway from Thanh Hoa city
towards the Northeast – Southwest to Nong Cong district.
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Thieu Hoa district is of advantageous geographical position. It is located in the center of the
delta districts in Thanh Hoa province and it is bounded with many districts: on the east by
Thanh Hoa city and Hoang Hoa district. On the west by Trieu Son and Tho Xuan district. On
the south by Đong Son and Trieu Son districts. On the north by Yen Đinh district. Its center is
Van Ha town.
4.2. Climate, terrain and soil:
a/ Climate:
- Temperature: Total annual average temperature is 8,500-8,6000oC. Absolutely low
temperature is not less than 20oC. Absolute high temperature is not over 41.50
oC. There are 4
months with average temperature of less than 200oC (from December to March of the
following year) and 5 months with average temperature over 250oC.
- Rain: Annual average rainfall is 1,500-1,900mm, particularly the crop making up about 86-
88%. Rainy season lasts 6 months (from May to October). In winter, it is dry, humidity is
only 84%, in March, April, August and September, and the humidity is over 88%.
- Wind: It is under the influence of two wind directions distributed by season. The
northeastern monsoon is available in winter and the southeastern monsoon is in summer with
average velocity of 1.5-18m/s. The strongest velocity in storms measured is 35-40m/s and not
over 25m/s in the northeastern monsoon. The climate and weather of the district in the Thanh
Hoa delta climate sub-region has the following characteristics: high temperature, the winter
which is not so cold, hoarfrost which occurs little in January and February, the summer which
is moderately hot, rainy and is under the relatively strong influence of windstorms.
b/ Terrain:
Its terrain is relatively flat, not so complicated. Most of the communes are the delta
ones with a little or no hills and mountains. The overall terrain is gradually sloping from the
North to the South. The terrain is in the delta form. A difference in height of cultivatable areas
is not big, about 0.4-0.5m, which is advantageous for the formation of focal specializing areas
with a relatively large area.
c/ Soil:
Soil is mainly alluvial soil group with good physical and chemical properties, which is
suitable for growth and development of various species of plants.
4.3. Natural resources:
* Soil resources: Đong Son district has the natural land area of 106.4 km², including
agricultural land of 7,065.93 ha, making up 66.4%; the remainder of specialized soil, urban
soil and forestry soil.
Thieu Hoa district has 17,547.52 ha, out of which 14,842.83 ha equal to 84.6% of the
total natural land area in the whole district has been used. The land area which has not yet
been used is 2,704.69 ha, equal to 15.4% of the total natural land area. The agricultural land:
11,045.06 ha Forestry land: 130.70 ha Specialized land 2,644.28 ha Living land: 968.73
Unused land: 2,704.69.
* Rivers and streams: The area of rivers and streams makes up 1,702.87 ha equal to
10% of the total natural land area. A river and stream system is rather big.
Surface water is rather plentiful and supplied by the river and stream system and in-
place rainfall. This water type is mainly used for irrigating agricultural plants and daily life
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activities. Its quality is good and non-polluted. Underground water: UG water source is rather
plentiful.
* Mineral resources: - The exploration and survey have not yet been carried out so
kinds of potential minerals in the underground have not been discovered sufficiently. Stone
quarries which can be exploited as construction materials distribute widespreadly with limited
reserves. Rivers have sand ground reserves with good-quality in construction, especially the
yellow sand used to place concrete. Clay for making bricks with big resources distributes in
many communes in the district and etc. The Project does not go through the areas with the
above-mentioned natural resources.
* Fauna and flora: Grouping and living of many species of such animals as gibbons,
monkeys and reptiles and birds. The flora is diversified in terms of family, species, types of
planted orests suc as “luồng” tree, pines, “mỡ”, eucalyptus, casuarina, cinnamon-tree,
rubber. However, the project site is located far from these areas. The flora in this area is
mainly rice, crop plants and some of fruit-trees, normal timbers; the fauna is mainly domestic
animals such as cattle, poultry, wild animal which is mainly birds.
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V. SUBPROJECT POTENTIAL IMPACTS
Table 5.1: Environmental impact assessments
Screening Question Yes No Remarks
1. Project's sitting:
Is the Project site adjacent to or
within any of the following
environmental sensitive areas?
The power line and transformer station are
not adjacent to any locations with cultural
heritage sites, thus, there is no impact
Cultural heritage site X
Protected areas such as
National Parks, Nature
Reserves, Bioconservation
areas, bird yards, mangrove
forest etc.
X
Wetlands X
Forests X
Estuaries X
Buffer zone of Protected
areas
X
Rivers and reservoirs
X
Canals and irrigation system X
Agricultural land X There are some canals and small ponds in
Dong Thanh and Dong Tan communes.
However, no construction of base for any
power poles will be carried out but only the
power line runs through these communes.
Therefore, there will cause no impact.
2. Potential environmental impacts
Will the Project cause:
Encroachment on historical/cultural
areas
X
Encroachment on critical ecosystem
(e.g. sensitive or protected area,
national park, nature reserve etc....)
X
Disfiguration of landscape and
increase waste generation
Removal of vegetation cover or cut X While clearing the ground, 75 eucalytus will
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Screening Question Yes No Remarks
down of trees resulted from
clearance at the sub-station and
along ROW?
be cut down. When the project is carried out,
the wiring and excavation for pole
foundation in rice field shall cause impacts to
the quality and quantity of crops and plants.
Change of surface water quality or
water flows
Increase water turbidity due
to run- off and erosion
X The terrain in the Project area is flat, the
slope is minor, therefore, the risk of erosion,
run-off and wash-out of soils, construction
mertials into the surface water is not high.
- Ba Che-Nui Mot110kV line runs through
many irrigation canals and some small
ponds. The construction of foundations and
bases of electric poles close to canals will
likely have risk to pollute water sources
because soils, construction materials may be
washed out into water sources.
Waste water from camping
sites is directly discharged to
the surface water resources
or not?
X In worker camp sites, there is a system for
wastewater collection and drainage.
Auxiliary structures such as bathrooms,
toilets shall be built for workers to use.
Construction waste is
directly discharged to the
surface water or not?
X Ground-levellings, construction activities to
build up bases and foundations of power
poles, etc. may cause soils, rocks, sands, etc.
to discharge into local surfacewater.
Increase the dust level? X - Dust will be generated from soil excavation,
groundleveling activities, particularly in dry
season. The affected are people living and
working around the project site.
- Dust will be generated by transportation
means that carry materials and equipment
during the project construction. The affected
are people transporting on roads on which
construction materials or equipment are
transported, either on local roads or on
provincial or national roads.
- Some households in Dong Thanh commune
in Dong Son district live close the ROW but
this impact is assessed as at average level
because only the wiring is carried out in this
area otherthan the construction of bases or
foundations for electric poles.
Increase noise and/or vibration? X Caused by operation of equipment,
transportation of materials, transportation
means, groundleveling, pole erection, and
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Screening Question Yes No Remarks
operation of power generator (if any).
Permanent land acquisition X Area of land to be acquired permanently:
4,483.35m2 comprising of: field land:
3,484.56 m2; hill-land: 998.79 m
2 (for
construction of foundation of electric pole)
Temporary land acquisition Area of land to be acquired temporarily:
123,218.98 m2 comprising of: field land:
112,624 m2; hill-land: 1,427 m
2 (for pole
erection and for wiring) in a duration of 4-5
months).
Resetlement of households? If yes,
how many households?
X
Would the resettlement site is
environmentally and/or culturally
sensitive
X
Is there any risk of disease
dissemination from construction
workers to the local peoples (and
vice versa)?
X - The construction of power line is proposed
to be in 4 months as maximum, of which the
construction of sub-station where is closest to
the residential area is tentatively in 1 month,
and most of the time is for installation of
equipment and all activities are in the station
site.
The entire alignment shall have 02
construction teams in 4 communes, each
team has approximately 40 persons, 20
persons are locally hired, so each
construction site usually has about 10-15
residential workers. Total workers on the
construction site, at peak, are about 80 but
dispersedly over the alignment other than
focusing on one area. Thus, the disease
dissemination, if any, will be limited.
Is there any potential for conflict
between construction workers and
local peoples (and vice versa)?
X - Conflict may happen because of the
following reasons: difference in income
gained, culture, and behavior. However, most
of workers are local, so there is not too
different in the culture and living style;
- The power alignment runs over 02 tombs
locating between G15 - G16 in Thieu Ly
commune and over 02 cemetries locating
bewteen G22 - ĐC in Dong Tien commune.
There will have potential impacts to these
areas during the construction such as wiring
or standing on tombs that scratch tombs or
uproot grasses.
- The project is constructed in a quite
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Screening Question Yes No Remarks
developed area, number of workers is very
small compared with total number of local
people.
Are explosive and hazardous
chemicals used within the Project?
X
In the past, there was any accident
incurred due to landmines or
explosive materials remaining from
the war?
X
Will Project's construction cause
disturbance to the transportation in
the Project's site?
X Minor impact
- The activities of equipment and materials
transportation along the power line will
cause temporary impacts to normal
transporation in the area;
- The extension of sub-station, though,
locates close to residential area but all are
close to National road 47 and inter-district
roads so the transportation do not cause
disturbance to the local transporation.
- The transportation of materials and
equipment from Hanoi to construction site, in
general, is minor, does not cause overload to
the transport system on national and
provincial roads related.
Project's construction will cause any
damage to the existing local roads,
bidges or other rural infrastructures?
X - Transportation of construction materials
with a high sequence that may cause impacts
on inter-commune, inter-district roads in the
project districts.
- Presently, local government and people
monitor quite well the management of rural
transportation. Heavy-load vehicles are not
allowed to access to road sections where the
quality is not enough to bear loads. This
impact is assessed as minor.
The entire alignment of wiring rehabilitation
runs through 21 power lines 35; 22; 0.4kV;
and 5 communication cables to local
households. While construction, it is required
to cut off the power and this will cause some
impacts such as disturbance of
communication, production activities. This
impact is assessed as mean.
Will soil excavation during Project's
construction cause soil erosion?
X
Will Project need to open new
access roads?
X - The wire line and transformer station locate
along transportation roads, therefore,
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Screening Question Yes No Remarks
existing roads should be used as access
roads.
Will Project cause fragmentation of
habitat of flora and fauna?
X
Will Project cause impact on air
quality?
X - The impact on the environment by exhaust
emitted by transportation means during the
transportation is minor because the
transportation means will be covered to
prevent dropping materials and things.
Will Project cause accident risks for
workers and community during
construction phase?
X - Reasons: possible to cause accident risks to
workers and community in the project site.
Particularly, in Dong Thanh commune, Dong
Son district, at G20 to G21 where 03
households locate close to ROW, so there
would have accident risks during the
construction phase, unless safety measures
are not given due attention to.
Will Project generate hazardous
wastes including PCBs from the
replacement of transformers?
X At Nui Mot 110kV transformer station, T3
transformer will be disassembled and
transported to the store. During the
disassembly and removal of machine, some
oils and wastes would be leaked and may
cause harmful to health of human and to
environment. However, this impact is not
significant and can be mitigated with good
application of right technical measures in
disassembling and removing the
transformers.
Will Project cause risk to safety and
human health (electric and magnetic
fields, electric shock etc.)?
X The Project will not cause risk to safety and
human health because in accordance with the
regulations by the Government, the electric
and magnatic fields is less than 5m
applicable to 110kV electric line, 12
households living close to the ROW, the
closest household is less than 6m, i.e. the safe
distance is ensured.
The subproject, once completed and
operated, will contribute proactively to the
local social and economic development;
development of handicrafts and services;
The quality of life and living conditions of
local people will be improved thanks to
reliable and sufficient power supply.
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V.1. ENVIRONMETNAL MANAGEMENT PLAN
6.1.Mitigation Measures.
The above impacts can be mitigated by: (a) ensuring that the application and
supervision of ECOP (Table 6.1) below; and (b) implementing site specific mitigation
measures.
Table 6.1. Mitigation measures
Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
A. Preparation phase
1. Permanent and
temporary land
acquisition will
impact affected
households and
agriculture
production
- To plan for construction activities after
harvesting season and try to shorten the progress.
- Inform the affected HHs about permanent and
temporary land acquisition.
- Properly compensate for land acquisition and
tree compensation in accordance with the
Resettlement Policy Framework of the DEP
project and Resettlement Plan of the Subproject.
- PMU
- Contractor
2. Impacts on
vegetation cover as
a result of site
clearance (ROW)
- Minimize land clearing by planning for
installation of transmission/distribution lines
above existing vegetation.
- Utilize hand clearing of vegetation if possible.
Save as much vegetation as possible. Careful
manage cutting trees. Cut only tree above 4m
within the ROW.
- Do not burn cleared trees and branches;
- Carry out the safety procedures to prevent hazard
of downing trees.
- Dispose at established dump site.
- During clearing, contact with the affected HHs in
order to mitigate impacts and carry out
compensation.
- PMU
- Contractor
3. Explosive materials
left from war
- Contract with related army unit to clear the site
from unexploded ordnances left from war.
- Return the ground after the clearance.
- PMU
- Army
- Local
authorities
B. Construction phase
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
1. Dust pollution - The contractor is responsible for implementing
the state applicable regulations related to air
quality.
- The contractor will ensure minum dust
generation and no impact on local residents and
take proper measures to control dust generation
(for example, praying water, covering the trucks
when carrying material).
- Material will be covered up during.
transportation to prevent scattering of material
along the way.
- Material dump site and storage yards will be
covered up and isolated from winds and located
away from schools and residential areas.
- Workers will be provided with masks when
working in high risk areas.
- Contractor
- CSC
2. Air pollution - All transportation vehicles must comply with
applicable regulations of Vietnam with regards
to exhaust gases.
- Transportation vehicles in must be tested
frequently on the waste gases and have to show
certificate of quality, technical safety and
environmental friendliness according to
Decision No.35/2005/QD-BGTVT.
- Do not burn waste or construction materials at
the site.
- Contractor
- CSC
3. Noise and
vibration level - The contractor will be responsible for
complying with applicable regulations related to
permitted noise and vibration levels.
- All transportation vehicles need to show
certificate of quality, technical safety and
environmental friendliness according to the
Decision No.35/2005/QD-BGTVT; to prevent
excessive noise level from machinery that is not
properly maintained, proper noise reduction
measures are taken, including noise reducers or
arrangement of noisy machinery in a specific
noise proof area.
- To prevent or reduce traffic in residential area as
well as processing of material in residential
areas (concrete mixing).
- Contractor
- CSC
4. Waste water
pollution - The contractor will be responsible for
complying with applicable regulations related to
waste water treatment and discharge.
- To provide mobile toilets or construct proper
- Contractor
- CSC
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
toilets for workers at the site. Toilet waste water
and restaurants will be treated before
discharging into the outside environment.
- When construction is completed, toilets have to
be properly destroyed and/or removed.
5. Water drainage
and sedimentation
control
- The contractor will comply with the water
drainage system design to prevent rain drop
from causing local inundation, soil erosion in
high risk areas.
- To ensure proper operation of the drainage
system.
- To sustain those areas not impacted by
construction activities.
- The excavation work needs to be done in
compliance with applicable technical
construction regulations.
- To prevent the spreading of mud into
surrounding environment, take proper measures
to control sedimentation in high risk areas.
- When there is a need to dry construction site
(foundation concrete pouring), the pumped
water containing sand will be controlled with
regards to sedimentation before discharging it
into outside water bodies.
- Use diversion techniques at construction to
prevent deposit from being stirred up in water
bodies.
- Contractor
- CSC
6. Material
warehouse and
material quarry
management
- Material storage yards will be predetermined in
the approved engineering design.
- Material supplied by local suppliers need to
have operation licenses for particular material
type.
- To rehabilitate material storage yard after
construction is completed.
- Contractor
- CSC
7. Waste and
hazardous waste - Prior to construction, the contractor needs to
prepare a procedure for controlling waste
(storage, use of recycle bins, site
decommissioning, etc.) and strictly complying
during construction phase.
- Prior to construction, all necessary licenses have
to be obtained related to waste management.
- Proper measures are taken to ensure good
practices in waste management and treatment.
The contractor will provide recycle bins,
containers and other means to collect waste
- Contractor
- CSC
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
from necessary areas.
- Waste can be stored temporarily at the site when
it is approved by the Construction Monitoring
Consultant, local authorities before collection
and treatment. If in the absence of such
authorities, normal domestic waste can be land
filled.
- Recycle bins or containers storing waste have to
be covered up from weather impacts and
intrusion by scavengers. Do not burn waste.
- Recyclable waste such as wood form, waste
steel and packing material will be collected and
separated at the site from other waste sources
for reuse, refilling or sale to an external
company.
- If it is impossible to carry away from the site,
solid waste can be land filled at a certain place
approved by the construction supervising
consultant provide in the waste management
plan. Under any circumstance, the contractor
has to treat all construction waste within the site.
- Waste lubricants will be taken out from the site
by an authorized recycling company.
- Waste lubricants and cleaning solutions will be
collected into covered containers and carried
away by a contracted external company that is
permitted to treat hazardous waste
8. Site clearance - The contractor will prepare a plan on site
clearance and vegetation recovery according to
applicable regulations for the construction
supervising consultant to approve. The
contractor will strictly comply with this plan.
- Do not use chemicals in clearing vegetation.
- Do not cut down any trees when it is not
provided in the vegetation clearance plan.
- If necessary, set up temporary fence to protect
valuable trees prior to starting any construction
activities.
- Contractor
- CSC
9. Traffic
management - Prior to construction, conduct consultation with
local authorities and traffic police.
- Impacts on traffic flow needs to be considered
in the construction plan before approval. Traffic
routes, particularly those with heavy duty
vehicles need to consider high risk area such as
schools, hospitals or markets.
- Contractor
- CSC
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
- It is necessary to provide sufficient lighting
system for night time to ensure proper traffic
conditions.
- Arrange indication signs at the construction site
to inform public people, provide instructions to
different components and instructions and safety
directions.
- Take proper traffic safety measures including
sign posts and flags to indicate danger.
- Do not transport material during peak house.
- Space spared for walkers and vehicles at the site
need to be separate from the site and can be
easily accessible. Provide proper sing posts
where necessary.
10. Interruption of
utility and business
services
- Planned or unplanned interruptions to services
such as water, gas power supply and internet
access: The contractor will be prepared for
emergency scenarios and any potential failures.
- Cooperate with services suppliers (water,
telecommunications, etc.) to work out a proper
construction schedule.
- During the laying out of cables crossing over
telecommunications cable, mitigation measures
have to be taken (What are the measures?)
- Notify affected households of construction
schedule as well as expected interruptions (at
least 5 days in advance)
- Interruptions to water supply for agriculture
production need to be avoided.
- The contractor will ensure alternative water
supply for affected residents in case it is more
than one day.
- Any damage to the existing service cables will
be notified to the local authorities for timely
repair.
- Contractor
- CSC
- PMU
11. Rehabilitation of
affected areas - Clearance areas such as soil or rock quarries,
waste treatment areas, worker houses,
warehouse and wood forms and any other
temporary areas during construction phase will
be rehabilitated with regards to the landscape
and vegetation cover.
- Compensate the vegetation cover at the soonest.
Use proper vegetation for such rehabilitation.
- Do not use exotic or banned vegetation for such
rehabilitation
- Contractor
- CSC
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
- Excavated hillsides and waste yard need to be
planted with grass to prevent soil erosion and
landslide;
- All the affected areas will be compensated with
proper landscape and there should be no delay
in doing so, including any necessary repair or
construction of green space and other affected
areas.
- Soil contaminated with chemicals or hazardous
waste will be carried away and land filled in a
proper hazardous dump site
- Rehabilitate all affected roads and bridges due
to the project construction
12. Labor and public
safety - The contractor will comply with all applicable
regulations related to labor safety.
- Prepare and implement action plan in response
to risk and emergency cases.
- Prepare emergency services right at the site.
- Provide training for workers on labor safety
requirements.
- Ensure to provide protective devices for
workers, including noise protection at high risk
places
- In destroying existing structures, workers and
community need to be protected from falling
objects by taking proper protection measures
- Provide protective fences and warnings of
danger at the construction site to indicate danger
to local resident.
- The contractor will provide safety measures
such as installation of fences, provision of
warning signs at high risk areas, including pole
foundation under construction to prevent traffic
accidents as well as other risk to local residents.
- Only allow trained workers to install, maintain
or repair electrical equipment.
- Cut off and do correct earthling for the existing
power line prior to construction work.
- Comply with labor safety procedures when
working at height and with electrical equipment
- Contractor
- CSC
13. Communications
to local community - Sustain communications to local authorities and
community; the contractor will work with local
authorities to agree on construction schedule for
sites near sensitive areas or at sensitive time
- Contractor
- CSC
- PMU
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
(regional festivals).
- Enhance relationship with local community in
order to obtain necessary information about the
project activities in the region, progress and
performance;
- Keep track of the community concerns and
information required such as project progress;
- Respond to community concerns via telephones
and documents in a timely manner;
- Notify local residents of construction schedule,
work schedule, potential interruptions to
services and detour roads and temporary buses,
any destruction or mine explosion schedule;
- Provide technical data and drawings for
community, particularly a scheme on
construction sites and EMP;
- Provide notice boards at all sites to provide
information about the site manager,
environmental officer, medical and safety
officer, with concrete contact details and other
information so that affected people will be able
to raise their voice and concerns.
14. Chance find
procedures During construction phase if the contractor finds any
cultural and historical sites, including commentary or
tombs, the contractor will:
- Stop construction activities in the particular
area;
- Protect the area from any damage or loss to the
sites. In case the historical objects can be
removed or sensitive objects assign a person to
protect it until local authorities come to confirm
and take over the issue;
- Notify the construction supervising consultant,
who will be responsible for informing local
authorities or the state agencies of such cultural
or historical sites (within 24 hours or less);
- Local authorities or state agencies will be
responsible for protecting and isolating such
area before any further processing.
- Decide how to process such issues is the
responsibility of the local authorities, including
change, (in case a cultural or historical site is
found and cannot be removed), reservation,
isolation, rehabilitation and rescue;
- If the cultural or historical site are of high value
- Contractor
- CSC
- PMU
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
and the reservation is recommended by relevant
agencies the project owner will have to change
project design accordingly for the component in
that particular area;
- Decisions related to the management of found
sites will be notified in writing to relevant
authorities;
- Construction work will continue only after
relevant authorities come and take responsibility
of potential sites.
C.Operation phase
1. Health and safety
for workers and local
residents
- Disseminate the information on electricity safety
regulations to the users.
- Comply Decree No. 106/2005/ND-CP dated 17
August 2005 of Goverment on protecting grid;
Decree No. 81/2009/ND-CP dated 12 October
2009 of Goverment on protecting hight voltage
grid
- Regular training for local technicians and people
on safety issues.
- Use warning signs, barriers (locks, gates, iron
barriers...) around substation or tower to prevent
people reach danger equipment;
- Putting warning signs, barriers on the ground
close to electricity wire to prevent electric shock
- NPC
2. Fire and explosion - Periodically inspect fire prevention and fighting
facilities.
- Organize training on fire prevention and
fighting for operation workers.
- NPC
3.Transmisison line -
Mitigation measures
related to transmission
lines
- Only allow workers who have been trained and
obtained certificates on installation, maintenance
and repair of electrical equipment
- Cut off power and provide safe earthling before
construction on the power line or where it is near
power line
- Ensure operations related to power line will be
undertaken by trained workers with strict
compliance with safety regulations. Qualified or
trained workers to operate power lines need to
able to:
Distinguish between online and offline power
lines from other parts of the distribution system
Determine voltage of online power lines
Understand safety distance for each cable types
Ensure correct and sufficient use of safety
- NPC
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
devices and other safety procedures or other
online parts of the distribution system
- Even when being trained, workers will not
contact any online parts unless:
Workers have been safely isolated from online
parts via gloves or other insulation devices
Online parts have been safely isolated from
workers and other parts or
Workers have been isolated and safely insulated
from online objects
- When operations and maintenance request
minimum distance, provide trainings on safety
measures and safety devices for individuals and
other preventive measures identified in the health
and safety compliance plan. (Below is the
recommended safety distance for workers:
o 2-15 kV: 0.6 m
o 15.1-35kV: 0.71 m
o 72.6-121 kV: 1.01 m
4.Safety measures
when working at
height
Preventive and control measures include:
- Check the firmness of structures before starting
work
- Take anti-fall measures including climbing skills,
use of supporting devices and first aid toolkit
- Install supporting and anti-fall devices
- Safety bands will not be smaller than 16 mm, two
layers, and durable strength. Safety bands will be
replaced before any defect or crack is detected or
if is too old
- When working with tools at height, workers will
need an additional safely band (backup).
- Sign posts and other obstacles need to be
removed before starting work
- Use standard tool bag to carry tools and materials
to the height when working on pillars
- NPC
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Environmental-social
issues
Mitigation Measures Implementatio
n
responsibility
5. Electric and
Magnetic Field impacts
- Prevent or minimize exposure to electric and
magnetic field (EMF) in the working
environment by developing and implementing a
EMF safety program with the following
components:
- Determination of potential exposure level
- Trainings for workers on how to identify their
exposure to EMF and its impacts
- Determination of safe areas in order to
differentiate those areas with higher EMF
impacts than the others where EMF impacts are
small enough not to be provided with mitigations
and minimize exposure to high EMF impact
areas
- The exposure detector for individuals will be
installed to give warning when exposure is below
the safety limit (for example, 50%). Action plans
for mitigating impacts includes taking turn to
work in high risk areas, and if necessary being
provided with protective devices.
- NPC
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B. measures for reduction of site-specific impacts of the sub-project:
period Impacts/ influences Measures for reduction
construction Influence of the pulling of
electric wires across the two
tombs lying between G15 and
G16 and the section
overcrossing the two grave yards
lying near the area of post G22
Extending the line with a deflection level by
mechanical winch so as to reduce the number
of workers working in the line extending area.
Warning the workers during the construction
not to tread on the tombs to avoid the
damages to the grass and the tombs.
Electricity cutting off on the
crossing over line will influence
production and living activities
in the electricity cutting- off area
To avoid electricity cutting-off for a long time
when the 100kV line crossing over the
information line; line 35; 22; 0,4 kV;
scaffoldings must be used.
Before the setting up of the scaffoldings, the
contractors should work directly with the
electricity control team of the commune and
the hamlet for permission to cut off electricity
during the setting up of scaffoldings and
avoid electricity cutting-off during peak time.
The electricity control team of the commune
and the hamlet shall inform in advance the
electricity cutting-off time to the local people
to arrange their production plan and living.
After the setting-up of scaffoldings, electricity
should be supplied again to the line. Only
after that, line extending could be conducted.
Influence on the information line
where the line is crossing over
With the setting up of scaffoldings, the line
extending shall not be disconnected or cause
interferences to the transmission line.
Influence on production,
agricultural crops and forest
tress while the line is extending,
the foundation is built and the
ports are planted
Construction is made after the harvests and
construction progress should be reduced.
Felling trees on the area to be taken back.
Appropriate compensation is made for losses
as specified in the Plan for Resettlement of
the project.
Danger of oil spreading and
pollution and PCB relating to the
dismantle of old transformer T3
at the station
After dismantling of the Transformer T3, it is
transported to the storehouse of Thanh Hoa
Electric Power Company.
The topography of the storehouse is high;
hence it is not submerged when there is much
rain or flood. The storehouse has up-to-
standard rooms with roofs and cement floor
having high waterproof to preserve the
machines.
Inside the storehouse, there are no flow
valves, water drainage channel, elastic
connections or leakage points to prevent fluid
to run out to the surrounding area.
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Not to poor liquid wastes containing PCB to
the source of water or water drainage culvert.
Posting warning boards preventing leakages
or overflow.
Upon detecting PCB leakage, the following
measures should be made:
- Transfer liquid from PCB leaking
containers to unleaking containers.
- Cleaning the leaking areas by
absorbing materials, say pouring sand
on them.
Influence on the 12 households
lying on the line corridor, in
particular the one that is only 6
meters from the line
- Making known the regulation on
electric safety to the local people.
- Posting safety warning boards at
dangerous places such as ditches and
foundations under construction or
places likely to have the danger of
electric shocks, etc
- Observing state rules to guarantee the
level of electric magnetic field (EMF)
<5 m for 110kV line with the safe
distance of <6m for the 12 households
living near the line corridor.
- Abiding by Decree No. 106/2005/
ND-CP dated August 17, 2005 by the
government on the protection of the
power grid; Decree No. 81/2009/ND-
CP dated October 12, 2009 by the
Government on the protection of the
safety for the high-voltage power grid.
6.2 Environmental monitoring plan
Impact Parameters
to be
monitored
Place of
monitoring
Equipment
method used
to monitor
Time/frequency
of monitoring
Cost Monitoring
responsibility
Construction period
I. Clearing
vegetation
cover or cut
trees
- Clearing
technique
- Solutions/
behavior to
trees after
cutting
- Along with
the line
corridor
- At the place
of gathering
trees after
clearing or
cutting
- Observing - Every day,
from
commencement
to completion of
clearing work.
- Contractor
-
Construction
supervision
consultant
II. Surface
water
quality,
- No carry
out
excavating
- Within the
precinct of
the station
- Observing - While and after
it rains heavily
- Contractor
-
Construction
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Impact Parameters
to be
monitored
Place of
monitoring
Equipment
method used
to monitor
Time/frequency
of monitoring
Cost Monitoring
responsibility
Sediment
and erosion
soil when it is
raining
- Not clear
plants
thoroughly
and along the
line corridor
- Surface
water source
near the
construction
area
supervision
consultant
III. Dust, air
pollution
- Dust level
at the place
of loose
material piles
such as soil,
sand and etc.
- Cover loose
material
when
transporting
- At the soil
& stone
storage area
after
excavating
and at the
loose
material
storage
- Observing - When it is
blowing hard
- Contractor
-
Construction
supervision
consultant
IV.
Construct
through
graveyard
area
- Step on
graves which
comes off
grass and
grave
monument
- Areas
where the
line goes
near the
graveyard
- Hearing,
consulting
with local
people
When
implementing
wire pull
activities
- Employer.
-Construction
supervision
consultant
V. Noise - Noise level
- Response
from people
to the noise
by
construction
activities
- Areas near
the densely
residential
areas
- Hearing,
consulting
with local
people
- While
implementing
activities which
generate big
noise; When
receiving
complaints from
the people
- Contractor
-
Construction
supervision
consultant
VI. Cut
power
across
electric
power and
information
lines
-
Construction
activities
- Small ditch
area 40m
away from
the station
- Observing - While
implementing
activities of
temporary road
construction
across the ditch
- Employer.
-
Construction
supervision
consultant
VI. Cut
power
across
electric
power and
information
lines
- Power cut
situation
- Response
from people
to the power
cut for
installation of
falsework
- Areas
where the
110kV line
crosses over
35;22;0,4kV
lines and
information
line
- Hearing,
consulting
with local
people
- While
implementing
activities of
installation of
falsework;
When receiving
complaints from
the people
- Employer.
-
Construction
supervision
consultant
VII.
Sanitation
- Rubbish,
waste water
- At the
camp,
- Observing - Every week,
when carrying
- Contractor
-
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Impact Parameters
to be
monitored
Place of
monitoring
Equipment
method used
to monitor
Time/frequency
of monitoring
Cost Monitoring
responsibility
at the
construction
place,
including
sanitation of
wor ers’
camps
at the
construction
area and
wor ers’
camp
- Is wor ers’
camp
provided with
clean water
and detritus
pit, mobile
latrine or
other
sanitation rest
room ?
surrounding
the station
out acceptance
Construction
supervision
consultant
VIII. Safety
of workers
and people
- Any
accident
happens
- Works,
locality
- Consulting,
site diary of
contractor
- Contractor
-
Construction
supervision
consultant
IX. In
danger of
spreading
oil and PCB
pollution.
- Oil
pollution
situation in
dismantling
machine and
hauling to the
storehouse.
Nui Mo
transformer
station and
Thanh Hoa
Power
Company’s
storehouse
Observing - While
implementing
activities
- Employer
Operation period
X. 12
households
in the line
corridor
Quality of
life
Area where
the
households
are living
- Hearing,
consulting
with the local
people
- Every week,
when carrying
out acceptance
- Employer
VII. Organize the implementation of environmental management plan and capacity
building
7.1. Responsibility for implementing the Environmental Management Plan (EMP)
a) During the detailed design and tender document preparation
During the detailed design and tender document preparation, NPC shall be responsible for
incorporating EMP or suitable components of EMP (such as mitigation measures, the
Contractor’s responsibility as an appendi into Tender Documents and contract with the
Contractor. The Engineer responsible for detailed design will also refer to findings of EIA and
EMP to ensure that the environmental issues shall be taken account sufficiently in the final
design.
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When preparing tender document and contract, it will be required to ensure the Contractor has
enough information about its obligations and responsibilities in taking environmental impact
mitigation measures and undertaking compliance.
b) During the process of construction
PMU will assign the Construction Supervision Consultant and/or site engineer to take charge
o daily supervision o implementation o t e Contractor’s sa ety measures. Terms o
Reference for the Construction Supervision Consultant is available in Appendix of
Construction Supervision Consultant and / or site engineer shall carry out main tasks as
follows:
- Before starting the construction, confirm compensation for damages to the affected
persons as well as the completed bomb and mine clearance work.
- During the process of construction, strictly supervise the implementation of mitigation
measures during the construction period.
- Confirm the compliance with EMP and inspect any damages caused by the Contractor.
If necessary, prepare minutes on requesting the Contractor to compensate/restore the
construction area in accordance with provisions of the contract. The implementation of
environmental safety issues by the Contractor shall be included in the Subproject
progress report.
Roles and responsibilities of stakeholders in the implementation of EMP shall be described in
the following table:
Role Responsibilities Organizatio
n Project Owner - Ultimately responsible for overall project management,
including environmental management.
NPC
Environmental
Officer
- Specific responsibility and point of contact for
environmental issues.
PMU
Project
Implementation
and management
Agency
- Responsible for coordination and management of overall
project implementation, including guiding and
supervising implementation of the EMP.
- Planning and implementation of environmental
management activities during construction
- Coordinating with other parties in relation to
environmental management activities.
- Carrying out internal monitoring and supervising
- Supervising and providing budget for monitoring
activities.
- Reporting on environmental information to concerned
parties.
PMU
Project Operator - Responsible for operation of the project including
operation stage environmental management and
monitoring activities.
NPC
Consultant - Responsible for preparation of EMP documentation.
Contruction
Supervision
consultant
- Responsible for supervision of civil works contractors
during construction, including implementation of
environmental management activities under the EMP
Supervisors
of
PMU
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Construction
Contractor
Responsible for construction works and following contractor
specifications outlined in the EMP. This includes:
- Take actions to mitigate all potential negative impacts
in line with the objective described in the ECOP.
- Actively communicate with local residents and take
actions to prevent disturbance during construction.
- Ensure that at least a staff is assigned to monitor EMP
compliance during the preconstruction and
construction periods.
- Ensure all the construction activities having sufficient
documents from the related organization.
- Ensure that all staff and workers understand the
procedure and their tasks in the environmental
management program.
- Report to the PMU on any difficulties and their
solutions
- Report to local authority and PMU if environmental
accidents occur and coordinate with agencies and keys
stakeholders to resolve these issues
Contractor
chosen by
PMU
7.2. CAPACITY ENHANCEMENT PLAN
Training plan in the coming time includes:
EVN’s training program: Internal training courses on the implementation of
environmental management work at site, the preparation of reports on the Project
environmental issues as a part of half-yearly and annual reports. The program will
also provide training on environmental impact mitigation measures which
unexpectedly occur and differ with forecasts stated in the EMP report.
Northern Power Corporation’s training program: NPC’s training program
provided to t e local power company’s sta and some local people is about
Training on safety work: Periodically training on the safety work and power network
maintenance;
Supervision method and report EMP implementation to stakeholders in the province and
the districts where the Project is located. The training work will also provide guidance’s on
the coordination with the people in the environmental management work;
Training on environmental management work and harmful waste management:
Table 7.2. Tentative program and training time for environmental management
No Content Time
EVN presides over
1 - Environmental management work at site,
preparation of periodic environmental report to
submit to NPC and WB and other tasks related to the
environmental management for the Project.
- Every two years.
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NPC presides over
2 - Training on the safety work and power line and
station maintenance
- Every year
3 - Training on the environmental management work,
harmful waste management for the power lien and
station works in general (coordination with EVN in
organizing)
- Every year
4 - Supervision method and report on environmental
management plan implementation within the
distribution efficiency project (DEP).
- Every year
Table 7.3. Estimated cost for subsequent training courses
No Training Cost (VND)
CONSTRUCTION PERIOD
1 Annual training
provided to all of
units by EVN
Included in operation cost of the Corporation. NPC will bear
travelling, accommodation expenses and etc. for its staffs
involving in the Project
3 persons of NPC under PMU participate.
3 persons x 2 days x 3,000,000 VND/person = 18,000,000
dong
2 Seminar on
experience sharing in
preparation of EIA
and implementation
of EMP
Included in operation cost of the Corporation.
2 persons x 2 days x 5,000,000 VND/person = 20,000,000
dong
3 Training on
implementation of
EMP
2 persons of high-voltage power network company participate:
2 persons x 2 days x 5,000,000 VND/person = 20,000,000
dong
Total for the
construction period
58,000,000 dong
OPERATION PERIOD
4 Training on labour
safety by NPC
(normally
implemented by
high-voltage power
branch)
Included in operation cost of high-voltage power network
company
8 persons x 1 day x 1,000,000 dong/person x 20
Project life cycle years = 160,000,000 dong
Total for the whole
Project life cycle
230,000,000 dong
7.4 Reporting procedure
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Responsibility and frequency of report on the implementation of EMP are shown in the
following table.
No Report prepared by Submitted to Reporting frequency
01 The Contractor to the Employer PMU One times before commencing the
construction and then once per
month.
02 Construction inspector (cum
environmental monitoring)
PMU Every month
04 Community inspector (if any) PMU If having complaints
05 PMU EVN Every quarter
06 EVN WB Every six months
Table 7.5. Estimated cost for implementation of EMP (VND)
No Item Construction Operation (with a life cycle of 20
years)
1 Mitigation
measures
This cost is included in
the contract made with
the Construction
Contractor
This cost is included in the
operation cost of high-voltage
power network company
2 Monitoring cost
implemented by
PMU’s tec nical
inspector
The cost is included in
the operation cost of
PMU
The cost is included in the
operation cost of Project Operation
Agency
3 Capacity
enhancement cost
58.000.000 160,000,000
TOTAL 58.000.000 160,000,000
This cost will be in the operation
cost of NPC’s Project Operation
Agency
TOTAL 218,000,000 VND
*
Costs of mitigation measures during the construction period and environmental
monitoring performed by the Construction Supervision Consultant shall be included in the
related construction/supervision contract.
VIII. Consultation and declaration of information
In the project preparation period (2010-2011), the following activities have been
performed:
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Activity 1: To study and discuss with the local authority about the location of stretching the
line
Activity 2: To make a survey and site investigation, to prepare EIA and EMP for the Project
Activity 3: To organize the public consultation
Activity 3: To organize the public consultation
The public consultations with the local community were held at 4 locations, namely: Thieu
Trung, Thieu Ly communes in Thieu Hoa district, and in Dong Tien and Dong Xuan
communes in Dong Son district of Thanh Hoa province. The Project owner and the
Consultant team organized and consulted opinions of local people about the Environmental
Management Plan of the subproject for rehabilitation of Ba Che - Nui Mot 110kV power line.
The Project owner and the Consultant team presented the key points to the local community
as below:
Project description: the proposed rehabilitation option, extension of the road at the
stations, and the necessity to build up the projects;
Possible impacts to the environment caused by the project;
Measurements to mitigate impacts.
The participations attending the consultation meetings consist of: representatives of
households to be affected, local governments, social organizations, and local power
authorities. (The list of participants is presented in Attachment 5).
Summary of opinions of the community in the public consultation meetings
Nr Location of
consultation/ time/
number of participants
Opinions presented
1 - Dong Thanh Commune
Office, Thanh Hoa
province
- 07h 30 am, on
09/06/2011
- 20 participants
Highlighted opinions in the meeting
- The power alignment runs through many mid-voltage
lines and communication lines of the commune therefore
when it is constructed, the power and communication shall
be interrupted or cut off. How long will it be interrupted? If
the power is cut off, the local people must be informed in
advance so t ey’ll proactively arrange t eir production and
living activities.
- The household locating closest to the ROW is less than
6m, so, is this distance safe enough to human? Is there any
impact to the electric and magnatic fields and
communication of the household?
- The households locating in the ROW requested the project
owner to ensure the safety of households in the site, and
after the wiring activities, the site will be cleaned up to
ensure the hygiene environment and pre-project view.
2 - Office of Dong Tien
Commune, Dong Son
district, Thanh Hoa
province
- 14h pm on 08/06/2011
- 25 participants
Highlighted opinions in the meeting
- No opinion about the alignment option.
- Noted that the alignment runs through 2 cemeteries of the
Commune so the Project owner has to apply appropriate
measures to mitigate adverse impacts during the
construction.
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Nr Location of
consultation/ time/
number of participants
Opinions presented
- Will the disassembly and removal of transformers in Nui
Mot 110kV station cause oils and wastes leak to
environment?
- Will the project hire local labour for construction? Will
they set up temporary site camps for workers or rent houses
of local people?
- The power alignment mainly runs through the field, so
how will the Project owner compensate the affected
people? During the construction, is is possible for people to
produce, cultivate on the ambient areas? And if possible,
any impacts to their health?
3 - Office of Thieu Trung
commune, Thieu Hoa
district, Thanh Hoa
province.
- 07h30 am on
10/06/2011
- 25 participants
Highlighted opinions in the meeting
When the works is completed, is it possible to cultivate at
the toe of pole? If yes, will the quality, productivity of
crops be affected?
It is required to measure carefully the amount of eucalypts
that will be affected. Any trees that are not affected
siginificantly should not be cut off but trimmed off
branches.
It is required to compensate satisfactorily to affected
people.
It is required not to construct in nighttime. When the pole
base and foundation is constructed, the rock, soil and
materials must be collected and cleaned up in order to avoid
from being washed into on-farm canals when it rains.
Some households locating in the ROW require having
safely appropriate construction methods in order to avoid
dust and noise that will affect human health.
4 - Office of Thieu Ly
commune, Thieu Hoa
district, Thanh Hoa
province.
- 14h pm on 10/06/2011
- 20 participants
Highlighted opinions in the meeting
The alignment runs through 2 tombs in Bac village, so it is
required to have them protected when construction is taken
place.
03 households living in the ROW, so will the health and
safety of these households when the works is constructed
and operated?
The Ba Che 220kV transformer station locates close to
residential area in the commune, so will its extension and
rehabilitation cause dust and pollution to the ambient
environment?
The alignment runs through many mid-voltage lines,
communication lines of the commune, so the construction
needs to cut the power in a long time. Therefore, it is
required to have a reasonable plan for electricity blackout,
not to black it out in peak hours, and people should be
informed in advance in order to allow people to prepare for
their production and living activities.
What agency will be contacted with if people want to seek
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Nr Location of
consultation/ time/
number of participants
Opinions presented
for the project information and the details of the
compensation plan?
The representatives of the Invester and the consulting Company has provided detailed
answers about information concerning the questions posed by local hoseholds and proposed
measures to reduce and overcome them for each concrete case. Making clear the
responsibilities of the Investor when the project is implemented, the mechanism for
supervising the implementation of the Enviroment Management Plan, the time for the
implementation of the project, the erea of the land of the line corridor, etc. at the same
timealso accepting the opinions contributed and shall consider them in oder to update them in
the Enviroment Management Plan (EMP).
Activity 4: Review, revise the EMP based on the contributive suggestions. Continue to receive
feedbacks from the affected households.
Activity 5: Announce the EMP
The EMP in Vietnamese will be disclosed at the offices of the People’s Committees o
Đong T an & Đong Tien communes in Đong Son district, T ieu Trung & T ieu Ly
communes in Thieu Hoa district in Thanh Hoa province. The EMP is also available at the
PMU office.
The EMP in English and Vietnamese will be disclosed at the Vietnam Development
and Information Centre located at 63 Lý T ái Tổ, Hanoi.
The EMP in English will also be sent to the Infoshop of the World Bank in
Washington DC for disclosure.
Activity 6: Public consultation during the construction of the Project
During period of the Project construction, WB supervises the implementation of the
EPM and coordinates with the Investor to organize meeting for consultative opinions from
local authority, NGOs and the affected households on the implementation of the EMP of the
Project. Opinions received (if any) shall be conveyed to the Investor, then the Investor
coordinates with the contractors in order to better implement the EMP or update them in this
EMP(if necessary)
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APPENDIX 1
Map of the site, diagram and images of the actual state of the site where the project is to be
realized
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APPENDIX 2
Summary of consultative information of the community on the environment
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APPENDIX 3
Tor for construction supervision consultant
Overview
The Construction Supervision Consultant will be the provider of engineering services
(“Services” to ensure the effective implementation of the Sub-project EMP.
Scope of Services:
General services as provided by the Construction Supervision Consultant are checking and
inspecting construction activities to ensure that the mitigation measures set forth in the Sub-
project EMP shall be accurately taken and adverse impacts on the environment shall be
mitigated.
On behalf of PMU, the Construction Supervision Consultant shall fulfill the following tasks:
- Execute site inspection on a regular basis;
- Consider the implementation situation of environmental protection measures stated in the
EMP and Contract Documents;
- Consider efficiency of environmental mitigation measures and environmental
implementation of the Project;
- If necessary, take account of acceptability in terms of environmental aspect of
construction method (for temporary and permanent works), relevant design plannings and
submittals. When necessary, the Construction Supervision Consultant shall look for and
recommend the least impact plan on the environment in consultation with the designer, the
Contractor and PMU;
- Appraise the survey results about any nonconformity to the environmental quality and
efficiency of remedial measures; and
- Provide audit results to t e Contractor’s site superintendent in accordance wit
nonconformity procedure set forth in the EMP;
- Instruct the Contractor to execute the remedial actions within the prescribed schedule and
carry out additional supervision if necessary, in accordance with requirements and
sequence of the Contract in case there are any nonconformities and complaints;
- Instruct the Contractor to implement actions to mitigate impacts and comply with the
EMP procedures as requested in case the nonconformity/inconsistency is identified;
- Instruct the Contractor to stop the actions which cause adverse impacts and/or the
Contractor’s ailure to implement requirements o t e MP / carry out remedial actions.
- For the contracts, it will be required to set forth EMP on site (SEMP), the
Construction Supervision Consultant shall consider the last time and make a
recommendation via all the environmental plans at site which are likely to affect the
environment. This task includes but not limits to: dredging areas, borrowed pits and
dumping site areas, camping area of workers. The Construction Supervision Consultant
shall consider and approve SEMP as submitted by the Contractor. If finding that these
plans do not comply with the EMP, EIA or RAP, the Construction Supervision Consultant
shall co-ordinate with PMU and the Contractor to propose a reasonable solution.
- Settlement of complaints: The complaints about environmental violation such as noise,
dust, traffic safety and etc. from the local people will be received by t e Contractor’s site
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staff. The site superintendent or his deputy of the Contractor and the Construction
Supervision Consultant shall have to settle and achieve the solution for such complaints.
The Construction Supervision Consultant shall be provided with a copy of such
complaints and certify that these complaints are settled by the Contractor in a proper
manner, which is similar to the related matter as identified in the site inspection.
- Certification of monthly payment: The Construction Supervision Consultant shall
certify monthly payments for the related activities on the environment performed by the
Contractor.
- Report: The Construction Supervision Consultant shall prepare the following
written reports:
o Report on nonconformities every two weeks
o Report on monthly summaries including issues and main findings from review
and construction activities
o To the end of the Project, the Construction Supervision Consultant shall
prepare a final report which summarizes main findings in its work, a number of
violations, solution and etc. as well as provide consultations and guidance’s on
the implementation form of such tasks in future.
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APPENDIX 4
Appendix………Illustration form for the inspection report of the realization of the Plan
for Environment Control
(Applied to the monthly report of Construction Inspection Consulting to be sent to the Board
of Management of the Project)
Name of the Project:
Place of the Project: Province:
District:
Commune/District town:
Construction Inspection Consulting: pull name
Date of report:
No Parameter Assessment of the
reflections of the
inspection end the
community
Remark/
Petitions
During the time of executing
1 Muddy surface water and land erosion
2 Noisy level around the site and surrounding
population areas
3 Dust
4 Solid waste and the clearance of the site after
execution
5 Control of sanitary and safety conditions for the
workers
6 Traffic disorder
7 Damages to the roads
8 Application of safety measures
9 Control of building materials
10 Control of unused earth and stones
11 Other environmental problems
Operation stage
12 Maintenance of the passage way
Appendix 5
Illustration form for the inspection report of the realization of the Plan for Environment
Control (Applied to the reports of the contractor)
Name of the Project:
Place of the Project:
Name of execution unit:
Initial report or monthly report of the Project:
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Date of report:
No Impacts Reduction measures
realized
Remark
Construction stage
1 Water surface pollution
2 Noises and vibrations
3 Land erosion
4 Air pollution
5 Impacts on agricultural production due to the
temporary requisition of Farmland
6 Traffic disorder
7 Damages to the existing roads
8 Solid waste from earth digging
9 Control of unused earth
10 Impacts on the environment caused by
environmental workers
11 Contradictions between the workers of the
construction works and the local people
12 Health and safety
Name of report maker:
Position:
Address:
Telephone:
Rehabilitation of 110kV Ba Che – Nui Mot electric line
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Environnment Management Plan 47
NPC