brochure: brief introduction to egiin goliin hydro power plant project

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  • 8/16/2019 BROCHURE: BRIEF INTRODUCTION TO EGIIN GOLIIN HYDRO POWER PLANT PROJECT

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    INTRODUCTION

    INSTALLED CAPACITY

    315 MWANNUAL AVERAGE PRODUCTION

    606 GWh/yearNORMAL WATER LEVEL

    910 m a.s.lRESERVOIR VOLUME AT NWL

    5,7 bln. m3

    DAM LENGTH, HEIGHT

    740 m / 103 m

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    CONTENT

    1 PROJECT TIMELINE

    2 NECESSITY AND IMPORTANCE OF THE PROJECT

    3 FEASIBILITY STUDY

    4 PRELIMINARY WORK

    5 ENVIRONMENTAL, SOCIAL AND HERITAGE STUDY

    6 UPDATED PROJECT COST ESTIMATION

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    1. PROJECT TIMELINE

    2. NECESSITY

    AND

    IMPORTANCE

    OF THE

    PROJECT

    3. FEASIBILITY STUDY

    4. PRELIMINARY WORK

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    During the year 1964-1965, Russian ENERGOSET PROJECT institute conducted study on Mongolian territorywhich identied 28 possible locations to build hydropower plant. One of the most feasible location was 2.5 kmfrom the conuence of Eg rive and Selenge river  where Egiin Goliin hydropower plant is to be built.

    The initial Egiin Goliin hydropower plant’s feasibility study (FS) and the Environmental Impact Assessment(EIA) was conducted in 1992, funded by the Asian Development Bank ($ 5.2 million).

    The project timeline is illustrated below.

    1. PROJECT TIMELINE

    HYDRO POWER

    PLANTACCESS ROAD

    TRANSMISSION

    LINEBRIDGE

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    2. NECESSITY AND IMPORTANCE OF THE PROJECT

    3.2 ENVIRONMENTALLY:

    • In utilising hydropower, climate change and air pollution will be reducedwhich will contribute in supporting green development, and generatingenvironmentally friendly clean electricity;

    • Furthermore, it reduces the use of raw coal, emissions of greenhousegases released into the air in particular important areas of Ulaanbaatarand other urban areas.

    3.3 ECONOMICALLY:

    • The water reserve to be formed by the dam will be a source of constantlyrefreshed freshwater lake. Moreover, it will form the possibility to increasethe regional air humidity, mitigate desertication, and accelerateagricultural production development;

    • Formation of a large lake as a result of building hydropower plant,creates the opportunity to prosper into tourism and development hub byproviding preferable condition to attract both foreign and local touristsand developing water sports in the region.

    3.1 ENERGY SECTOR:

    • Currently, thermal power plants covers 92.7% of CES total energy consumption and the rest is

    imported from Russia;

    • Coal red power plants operate at base regime thus, it is technically limited in operating in line withchanges in demand and regulate its generation in a short period of time;

    • The energy imported from Russia covers the system’s peak load and operates as the regulator ofthe system. Thus, energy dependency on Russia is expected to accelerate. For instance, importelectricity transmission line has reached its technical capability;

    • Currently, daily peak load and base load difference is picking up to 320 MW as household dominatedelectricity consumption growth surges.

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    3.1 NECESSITY TO UPDATE FEASIBILITY STUDY

     A review of the 1992-1995 feasibility study revealed to not only update the feasibility study but to fully completethe study for the following reasons:

    • Conditions have changed as many years have passed;

    • Power market survey was left out;

    • Hydro-energy estimation was performed based on the data of 1945-1989. Thus, new data of 1989 to2011 was incorporated to conduct the estimation;

    • Dam site geological investigations were insufcient, extracted sample did not reach quality level, unsuitabledrilling technology;

    • Previous topographical survey has been carried out according to PULKOVO 1942 geodetic datum whichis ceased to be used in Mongolia. Thus, the new WG 584/UTM geodetic datum is required to be used;

    • The seismic hazard assesment methodology used in the previous study is outdated.

    Tractebel Engineering Consulting Company (GDF Suez) in parallel with updating the Feasibility study carried

    out following additional investigations:

    • Power market survey;

    • Hydro-energy estimation;

    • New topographical survey on the dam site and reservoir area.

    3. FEASIBILITY STUDY

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    Following studies were carried out within the power market survey:

    3.2 ADDITIONAL SURVEY

    3.2.1 POWER MARKET SURVEY

    • The previous CES electricity supply, demand study has been updated from 1967 to 2013. Carriedout consideratbly realistic analysis of CES current situation, supply-demand gap, and energy system

    sources and future consumption forecast;

    • The CES electricity demand forecast study has been conducted up to the year 2065 with three growthscenarios;

    • The CES daily load historical data was analysed as well as EGHPP daily load curve participation in2019.

    Project engineering consultant Tractebel engineering (GDF Suez) has conducted this study.

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    Hydro-energy estimation performed by Tractebel engineering ( GDF Suez) consulting company in accordancewith international standards. Main results are:

    3.2 ADDITIONAL SURVEY

    3.2.2 HYDRO-ENERGY ESTIMATION

    • Previous value of long term average discharge 93 m3/s, increased to 103 m3/s;

    Possible formation of ice phenomena in winter time will be studied additionally in the future investigations.

    Hydro-energy estimation is performed by Tractebel engineering and Hydro construction engineering centerof Mongolian university Science and Technology.

    • Normal water level of the reservoir estimated at 910 m a.s.l.;

    • Previous reservoir volume at normal water level 4.2 billion m3 increased to 5.6 billion m3 ;

    • Based on the power market survey and the hydro-energy estimation, optimal installed capacity hasbeen estimated as 315 MW;

    •  According to reservoir lling schedule and ow data 1959-2012. Annual electricity production valueis 606 mln. kWh;

    • Based on EGHPP reservoir lling schedule and operation regime operating from the year 2018 to2071 and hydrological data of 1959-2012, the annual average electricty generation is estimated tobe 606 mln. kWh.

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    Geological and Geophysical investigations were

    carried out during 2014 warm season: 8 cored bore

    holes across the dam axis, new 2400m of electrical

    resistivity proling performed at the r ight and left bank

    of the river .

    Drilling samples of core of boreholes was sufcient and

    analysed in the laboratory at international standard

    level.

    This study was performed by School of Petroleum of

    Mongolian university Science and Technology.

    3.2 ADDITIONAL SURVEY

    3.2.3 GEOLOGY, GEOPHYSICAL

    INVESTIGATIONS AND DRILLING

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    3.2 ADDITIONAL SURVEY

    3.2.4 TOPOGRAPHICAL SURVEY

    The new topographical maps established in accordance with WGS84/UTM48Ngeodetic coordinate system. Produced topographical maps at scale 1:1000 of the damsite and at scale 1:10000 covering the area of reservoir.

    Orthophotos information database was established after a ight above whole reservoirarea.

    Mongolian Geosan LLC has conducted this survey.

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    The hydropower plant construction site Seismic Risk Assessment was performed and determined hazardlevels. With this estimation, the dam cross section design will reect risk tolerance and stability requirements.

    This study was performed by experienced French company Geoter.

    3.2 ADDITIONAL SURVEY

    3.2.5 SEISMIC HAZARD STUDY

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    3.2 ADDITIONAL SURVEY

    DAM OPERATION IMPACT OF EGHPP ON SELENGE RIVER AND BAIKAL LAKE:

    3.2.6 IMPACT ON BAIKAL LAKE

    RESERVOIR FILLING IMPACT OF EGHPP ON SELENGE RIVER AND BAIKAL LAKE:

    Missing water for Baikal lake during Egiin goliin reservoir lling estimated:

    1. 3 dry year-1.6 km3

    2. 3 medium year-1.8 km3

    3. 3 wet year-1.7 km3

    Which constituted 0.020%-0.023% of total volume Baikal lake of 23615.4 km3.

    This impact is very little.

    Project engineering consultant Tractebel engineering (GDF Suez) has conducted this study.

     At an annual time-step, no hydrological changes are expected. At the monthly time-step, hydrological changesare mainly an increasing of ows alone Selenga river during winter and a little decreasing of ows duringspring and autumn.

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    The new Feasibility study is provided various alternatives for overcome ice pheunomena with operationconditions, including:

    - Operation adjustment

    - River channel dredging

    - Ice monitoring

    - Construction of buffer dam in the downstream of the dam

    - Ice booms

    and recommended realization optimal solution from them.

    The buffer dam solution presented there will provide opportunity to control outow with stoplogs and limit itto 125 m3/sec.

    It is found that the necessary volume of 3.666 hm3 is reached at a reservoir elevation

    of 835.54 masl.

     At this stage, the total costs of the buffer dam are estimated to be between

    35 MUSD and 50 MUSD.

    Project engineering consultant Tractebel engineering (GDF Suez) has conducted this study.

    3.2 ADDITIONAL SURVEY

    3.2.7 ICE PHEUNOMENA

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    RESERVOIR

    Swiss and Italian, Mongolian companies had conducted Feasibility study between 1992

    and 1994.

    Main characteristics of the Feasibility study:

    Normal water level:

    900 m a.s.l

    Volume at NWL:

    3.9 billion m3

    Surface area:

    125 km²

    DAM POWERHOUSE FISH PASSAGE

    Dam type:

    RCC

    Dam crest level:

    903 m a.s.l

    Dam width: 8 m

    Dam length: 710 m

    Dam height above naturalground: 73 m

    Dam height above foundation:95 m

    Dame volume:

    1.38 mln. m3

    Number of spillway: 4

    Elevation of spillway:

    884.12 m a.s.l

    Type, location:

    On the available space of rightriver bank

    Installed capacity:

    220 MW

    (2 phases 110 / 110 MW)

     Average annual energyproduction:

    496 GWh/year 

    Turbine:

    4 Francis 55 MW

    Not included

    Date of Feasibility study: 1992-1995

    3.3 PREVIOUS FEASIBILITY STUDY

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    RESERVOIR

    Tractebel Engineering (GDF Suez) has conducted new Feasibility study based on beforementioned additional surveys and updated main characteristics of Egiin Goliin HPP as

    follows.

    Normal water level:

    910 m a.s.l

    Volume at NWL:

    5.7 mln. m3

    Surface area:

    154.3 km²

    DAM POWERHOUSE FISH PASSAGE

    Dam type:

    RCC

    Dam crest level:

    913 m a.s.l

    Dam crest width: 8 m

    Dam crest length : 740 m

    Dam height above naturalground: 82 m

    Dam height above foundation:103 m

    Dam volume:

    2.29 mln м3

    Number of spillway: 4

    Elevation of spillway:

    895.5 m a.s.l

    Type, location:

    On the available space of rightriver bank

    Installed capacity

    315 MW

     Average annual energyproduction:

    606 GWh/year 

    Turbine:

    4 Francis 68.75 MW

    2 Francis 20.5 MW

    1 Francis

    auxillary supply 3 MW

    Type, location:

    Fish lift:

    Part of powerhouse

    Date of Feasibility study: 2014.04 - 2014.08

    3.4 NEW FEASIBILITY STUDY

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    4. PRELIMINARY WORK

    4.1 OPTIMIZATION OF TRANSMISSION LINE ROUTE

     At initial stage, electricitytransmission line is necessaryto resolve power supply duringEGHPP construction phase.

    In the previous FS, it waschosen to exploit dieselgenerator to resolve powersupply of construction phase.

    The survey result on nearbystanding transmission linedetermined that transmissionline does not meet the qualityrequirement as this line couldonly be used during theconstruction phase and notpossible to reuse, unable togenerate reliable and stableelectricity supply, high cost.

    The diesel generator optionbesides the transportationof fuel, it has many negativeimpact to its surrounding

    environment such as gasemission, increased dirt andnoise.

     Accordingly, the transmission line to supply the hydropower generated eletricity through Erdenet substation tothe CES needs to be built prior for the purpose to supply electricity during dam construction phase. Buildingthe transmission line would save from additional costs, determined its capability to provide stable and reliableelectricity and completed its transmission line new route optimisation.

    The previously determined 65 km tranmission line route along the Bukh River overlaps the newly plannedErdenet city ger district household expansion area. Moreover, forest area of 60 000 m2 which continues over5km needs to be cut for the transmission line which would have impact on the environment and would face

    protest from the local people. Due to natural barriers such as deep ravine and steep mountain slope along theroute it is difcult to conduct transmission line construction and maintenance. It will also increase the cost.

    Consequently, optimized and completely changed the route of the transmission line. This new route (72.3 km)would not go through residential and forested areas.

    This route is also in parallel with the access road, hence there are no complications during installation andmaintenance. Accordingly, it is cost-effective.

    Authorized professional company performed detailed engineering design and general conclusionwas made by Construction development center of Ministry of Urban Construction and Development.

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    4.2 OPTIMIZATION OF ACCESS ROAD ROUTE

    It is necessary to build access road and bridge which ensures trafc safety, with low operating cost, loadcapacity road and bridge in order to transport construction materi-als, equipments to EGHPP project sitesmoothly.

    In the previous FS the access road route was 135.5 km Erdenet - Khyalganat - Eg project site which consistedof the existing Erdenet-Khyalganat 70 km unpaved road with 7 small bridges and River Selenge steel bridge

    to Khyalganat village and they are in no state to bear the load during construction phase and it would haveto be reconstructed. Then, from Khyalganat to the project site, new 50.5 km road with 11 bridges and 15 kmhill road need to be constructed. Presently, this route road trafc has increased signicantly due to increasedtourists and during locals holiday period which makes it difcult to use this road for construction phase safetransport.

    Therefore, the old route needs to be fully altered. The most optimal alternative has been determined whichis the Erdenet-Zos Hill-Eg 71.9 km access road route. As a result, 43.9 mln. USD is saved. Besides this, theaccess road length shortened 2 times the old route and also decreases the transportation duration 1.8 timeswhich makes this alternative efcient and during operation, it is even more effective.

    Detailed engineering design for new 320m steel concrete bridge at River Selenge and 71.9 km access

    road was conducted by local authorized professional company, and general conclusion was madeby Construction development center of Ministry of Urban Construction and Development.

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    The following issues were resolved along the overhead transmission line, access road and bridge route:

    • The Orkhon province, Bulgan province, Selenge, Khutag-Undur soum has issued land permission fortransmission line, access road construction;

    • The preliminary construction work route passes through the National special purpose land and as a resultof discussing the situation to the Ministry of Defense, General staff of the Armed Forces and Armedforces 186th brigade related authorties, the Ministry of Defence concluded that the above mentioned

    route does not affect the shooting armament, zenit, artillery, tank, land forces to conduct combat trainingat the training center. The access road detailed engineering design took into account the passing ofmilitary purpose track and reected to construct 3 cement concrete pavement passage;

    • The access road route cross passes 13 inter-city ber optic cable points and the transmission linepassess through 9 points. Thus, discussed this issue with the state owned information and communicationnetworking company and established Bilateral memorandum of cooperation, technical specicationsto transfer these cables has been resolved. Therefore, the preliminary construction work is ready tocommence.

    4.3 PRELIMINARY WORK RELATED ISSUES RESOLVED

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    5. ENVIRONMENTAL, SOCIAL AND HERITAGE STUDY

    5.2

    ADDITIONAL

    STUDY

    5.3

    ENVIRONMENTAL

    IMPACTASSESSMENT

    5.4

    RESULT OF THE

    ENVIRONMENTAL

    IMPACT

    ASSESSMENT

    5.5

    ENVIRONMENTALLY FRIENDLY

    PROJECT

    5.1 PREVIOUS STUDY, NECESSITY TO UPDATE

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    The previous Environmental impact assessment (FS Chapter 15) and Detailed environmental impact

    assessment amendment for the project were respectively performed in 1994 and 2007. However there were

    the following under studied issues:

    • To conclude that it is not necessary to build high cost sh passage as there are no long distance migrating

    sh species in Eg River is a drawback;

    •  Archaeological exploration and excavation works were not fully completed;

    • Quality forest study was not completed by experts;

    • Insufcient Field investigation was performed as it was during short period of unsuitable period of the year

    /2007/.

    The above mentioned reasons were huge catch for the anti-project groups and inuenced to freeze the project

    once more in 2007.

    Due to changes of regulation of Environmental law which was in act from 2012, the 2007 detailed environmentalimpact assessment amendment is now ineffective and also following requirements needed to be updated:

    • Basin area is expanded;

    • Climate condition has been changed since initial studies had been conducted.

    5.1 PREVIOUS STUDY, NECESSITY TO UPDATE

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    The detail survey on tree, bush and shrubs was

    performed at reservoir area with purpose of

    implementing environmentally friendly rational use

    of forest, scientic based reforestation at reservoir

    area. Project unit cooperated with Forest research

    and Development center of MEGD to conduct

    detailed reservoir area forest survey at elevation of

    900, 910 and 920 m a.s.l.

    The survey was performed by using Landsat-8

    satellite data and Spot satellite data with resolution

    of 1x1 meter and detail survey result shows that

    general condition of the forest is low in density and

    is dominated by dispersed forest.

    The also PIU re-vericatied the result of the abovementioned studies by using advanced technology

    aerial photographs taken by (Orthophoto) from plane

    by local company (Geosan LLC).

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    The above planned works will be done in accordance

    with the conclusion and recommendation of the forest

    survey.

    5.2 ADDITIONAL STUDY

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    Eg river is the outow of Huvsgul Lake which is themost clean freshwater lake of Mongolia, and owsdown 510 km attributing to Selenge River. Eg Riveris one of the biggest river of Mongolia where manyspecies of shes and aquatic faunas are habituated.

     According to the 1983 report of Mongolian and Russian

    expedition on the Selenge river watershed, they haveidentied 12 families 24 species of shes as well as inEg river 11 families and 17 species.

    Since the Project Unit was established in 2014,initiated research activities to protect sh and theaquatic habitat.

    Research study is intended to be conducted for theduration of 5 to 7 years in the following stages:

    • During preconstruction period;

    • During construction period;

    • During the operation period.

    PIU cooperates with “Taimen conservation fund” thathas ample research study experience at Eg river, leadby Dr. B.Mendsaikhan, Senior researcher of Instituteof Geo-Ecology of Mongolian Academy of Scienceand by Dr. Olaf Jensen professor of Rutgers Universityof USA. Detailed research study includes shmovement, food content, habitat, genetic connectionand other studies within 100 km of Eg and Selenge

    river catchment area.

    The Workshop ”Fish passage design at cross-riverobstacles experience from different countries, withpotential irrelevance to Mongolia” was initiated byPIU and organized in collaboration with TaimenConservation Fund and United Nations (FAO) Foodand Agriculture Organization in Bulgan Province.

    The participants of the workshop were experts onsh passage facilities, biologist-ichthyologist andenvironmental specialists from different countries suchas Germany, Austria, France and Mongolia. Duringthe workshop, participants discussed different typesof sh passage facilities, characteristics, and trend.

    Workshop participants after consideration of allpossible sh passages that exist in the practice, agreedand recommended the “catch and carry” method tobe more suitable for sh pass up and downstreammovement and made conclusion to study further indetail.

    5.2.2 FISH AND AQUATIC HABITAT RESEARCH STUDY

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    In the valley of Eg river, the historical heritage is inabundance therefore between 1991 to 2002 morethan 20 eld national and international research teamheld studies covering 251m2 area and discovered 906archeological ndings and 129 ndings were rescued.

    In accordance with Law on Cultural Heritage Protection, joint studies were conducted by scientists andarcheologists from Archaeological Institute of MAS,Mongolian University of Science and Technology, and Archeological department of Ulaanbaatar University atthe proposed project area. As the result of this study,

    found 242 historical ndings were investigated andregistered in total. Among which which 218 ndings inthe reservoir area at elevation of 910m a.s.l and total24 ndings were along the infrastructure corridor.

    These historical ndings were planned to be rescuedwithin year of 2014-2015 (as shown in table) by the joint research study team of every Archaeology related professional organizations in Mongolia, thus this is thebiggest joint research team in history of Mongolianarchaeology to date.

    Project site 2014 2015

    In the reservoir area 135 76

     Along the infrastructure

    corridor  24 0

    Total 159 76

    5.2.3 ARCHAEOLOGICAL FINDINGS EXPLORATION ANDEXCAVATION WORK STUDY

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     At present, approximately 300 local people of 88households (bagkh centers and rural areas) live in theproposed project area of Khanai bagkh, Khhutag-Undursoum of Bulgan province and these families need tobe resettled before the construction phase begins.

    Resettlement work consists of following activities,these are:

    • Selection and preparation of Khantai bagkh

    center’s new location;• Property census and assessment;

    • Determine resettlement relevant costcompensation;

    • Master planning.

    By the order of Head of Cabinet Secretariat ofGovernment of Mongolia established a working grouplead by Governor of Bulgan D.Erdenebat includingrepresentative of Government, PIU and head of Localauthorities. PIU collaborates closely with workinggroup and local authorities.

    Real estate property census was conducted byworking group for household of Khantai bagkh centerand property of rural households were registered by

    using high-resolution aerial photographs.

    Currently engineering, geological and geodetic surveyon Khantai bagkh’s new location (Damiran site) whichwas chosen by Khantai bagkh local people.

    The Master plan, Environmental impact assessmentand State land quality verication study will be preparedbased on Engineering, geological and geodetic surveyreport and Land possession order of the Governor ofBulgan province.

    5.2.4 RESETTLEMENT

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    Khantai bagkh center, Khutag-Undur soum, Bulgan aimag

    EGIIN GOLIIN HYDRO POWER PLANT PROJECT PAGE 25

    PIU holds regular disclosure meetings, presentations,focus group meetings and questionnaire among thetargeted local residents for the purpose of providinginformation and observe opinion on HPP.

    In February 2014, a survey among 1250 residents ofUlaanbaatar city and local community was conductedand the result revealed that they are insufcientlyinformed regarding renewable energy and Hydropower.

    Which type of renewable energy is the most suitablein Mongolia?

    In connection with this, it was deemed necessary togive general understanding on hydropower rather thanEGHPP.

    The public views EGHPP project from politicalperspective has also inuenced this result. It wasnoticable that more detail information is requiredto give because people’s perception changed afterthe explanation of basic concept on HPP. Thereforecooperation plan started to develop with mass mediaorganizations.

    12 minutes program about our project was preparedand broadcasted in urban and rural TVs. About 25million tugrug spent for publishing in newspapers and journal on hydro power.

    PIU developed detailed plan to cooperate with themass media and has been working with high reputationMass Media Group. Also with MNB, Eagle TV, Dailynews and other media agencies.

    Type Yes No No idea

    Wind farm 63.5% 30.6% 5.9%

    HPP 38.0% 57.1% 4.9%

    Solar  61.4% 32.6% 6%

    5.2.5 SOCIAL STUDY

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    5.3 ENVIRONMENTAL IMPACT ASSESSMENT

    Dam, reservoir area and infrastructure corridor project ofenvironmental impact assessments has been assessedseparately in order to study in detail on potential impactsand also due to relatively wide area involved.

    * EIA Professional council of MEGD.

    In the above mentioned studies evaluated potentialpositive and negative impacts, risks were assessed anddeveloped the environmental protection managementplan.

    Climate:

    The detail calculation of regime of precipitation, humidityand evaporation the proposed project was evaluated byusing over 50 year climate data since 1961. The ambientair quality, dust particulate matter of the proposed projectarea during the construction phase which spreadsfrom soil and its distribution was assessed by using airpollution quality modelling ISCLT3.

     

    Geology and seismic:

    The Tractebel engineering company and Geotar CACof France cooperated and updated seismic hazardassessment of the project.

    The seismic standard was determined based on theseismic analysis which took into account the historicaldata and instrumental observation data. The rened

    seismic hazard modeling was calculated on the basisof combining deterministic and statistical methodscomparing the regional geology, geophysical dataanalysis.

    Surface and groundwater resource:

    The annual discharge distribution, ood discharge andregime period was evaluated and surface water qualityassay, physical and chemical laboratory analysis wasperformed for Eg River water reserve, regime simulationbased on Khantay bagh gauging station meteorological

    and hydrological data between 1959-2013 years. Thegroundwater reserve calculation of the proposed projectarea was made, sampled and measured physicalparameters for hand dug well and groundwater well.

     

    Soil cover:

    The soil type distribution condition and morphologicalformation of soil prole was registered and sampling wasdone Agro-biological Laboratory of Mongolian ScienticUniversity of Agriculture, physical and chemical analysiswas performed by Soil laboratory of Geographical

    institute, Mongolian Academy of Science.

    Name of theStudy

    Performer PeriodApproved

    date*

    InfrastructureEIA ECOS LLC  Apr i l - July,2014

    4th ofSeptember,

    2014

    Dam andreservoir EIA ENKO LLC

     April-Sept,2014 

    27th ofOctober,2014

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    Булган аймгийн Хутаг-Өндөр с Булган аймгийн

    EGIIN GOLIIN HYDRO POWER PLANT PROJECT PAGE 27

    Vegetation cover:

    The vegetation recording, useful plant species distributionand its resource and forest mapping of prosed projectarea was studied by botanist and researchers of ForestResearch Center of MEGD and Botanical Institute ofMongolian Academy of Science. The 5 species of rareand 4 species of very rare plants were registered in the

    proposed reservoir area, however these species aredistributed in other areas meaning these species wouldnot be endangered

    Fauna:

    Fauna study was performed by researchers ofprofessional organizations for proposed affected areadepends on fauna habitat and sh and aquatic faunastudy, population, distribution and abundance, eldobservation and questionnaire.

     

    • More suitable habitat will occur for migratory birds.• No direct negative impact to the fauna in proposed

    project area.

    Social study:

    PIU organized stakeholder meetings with representativesof the local authorities, local communities, environmentalspecialists, and environmental community associationsseveral times and conducted a survey on the project,based on statistical data on the socio-economic situation

    analysis.

    Eg and Selenge confuence

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    EGIIN GOLIIN HYDRO POWER PLANT PROJECT PAGE 28

    The following results are from the environmentalimpact assessment study and additional study whichwas considered of special importance by the PIU.

    • The forest cleaning, transplantation, basicoperation phase such works will be accomplishedwith the participation of the forest consociationand the local people. By doing so will increaselocal residents’ income, the condition of the forest

    will be improved which will preserve the ecologicalbalance.

    • Based on sh and aquatic fauna study result whichwas conducted in 2014, Tractebel Engeenering(GDF Suez) designed sh passage facility in theupdated Feasibility Study. By continuing the shstudy it could dene the detailed dimension of thesh passage way, decreases the environmentalchanges and mitigates the potential negativeimpact for the shes. Will create big opportunityto leave for our next generation the faunaconservation of the Egiin Gol where greater

    number of Mongolian Taimen lives in.• By international experience Hydropower Plants

    will prosper as hub for tourists and is planned toopen a museum by the rescued historical ndingsfrom project area. Therefore solving one of thebiggest obstacles for the project. The rescue ofthe historical nding will have huge contributionfor younger generation to explore its history in truemeaning, to study, to research and to be proud.

    • The new location for the Khantai Bagh’s centerwere chosen by people’s vote of Khantai Baghand after the approval of Bulgan aimag’s Citizen’s

    Representative Khural, resettlement will beperformed by the professional company.

    • Timely precaution measures were implemented byconducting property census against false attemptto get compensation from Project by moving intothe project area or building a real estate in area.

    • It is considered highly possible to execute theProject with minimum impact on the environment

    in compliance with environmental protectionmanagement plan and environmental monitoringplan, the measures and the advices which areindicated in the environmental impact assessment.

    It is the part of the essential documents of theProject. These assessments were executedin accordance with environmental impactassessment law and approved by state authoritiesrelated to environmental issues, meeting the

    requirements of the international bank, nancialorganizations.

    Furthermore if the necessity of environmentaland social impact assessment study is required,these documents will be the essential baselinedocument.

    5.4 RESULT OF THE ENVIRONMENTAL IMPACT ASSESSMENT

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    EGIIN GOLIIN HYDRO POWER PLANT PROJECT PAGE 29

    Renewable energy 

    Realizing one source of the renewable

    energy Hydro Power is a big step in

    reducing the air pollution, mitigating

    climate change and push forward green

    development, it opens a possibility togenerate environmentally friendly andclean energy.

    Greenhouse gas

    Development of Hydropower Plant willreduce the consumption of coal annually by

    200 thousand tnn, moreover it has particularimportance on reducing greenhouse gas

    emission in Ulaanbaatar and other major

    cities annually by 709 thousand tnn.

    Clean water reserve 

     Aside from the formation of constantlycirculating 5.6 billion m3 clean water huge

    reserve lake, the local climate humidity willincrease and create opportunity to developagriculture and eventually protect fromdesertication.

    Tourism 

    Development of Hydropower Plant andderivation of the lake, makes it highlypossible to prosper into tourism hub

    and attraction area for domestic and

    international tourists because of the

    pleasant natural condition and opportunity

    to evolve water sports.

    5.5 ENVIRONMENTALLY FRIENDLY PROJECT

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    Project’s consultant Tractebel engineering has estimated project cost at 827.6 mln. USD.

    Based on its experience on numerous dam and hydropower plant constructions all over the world in therecent years (more than 50 projects in data base), the Consultant has compared EGHPP cost with projectsof similar characteristics.

    The updated cost estimation included additional technical advanced design studies, sh passage,archaeological studies and project development cost which was not included in the previous feasibility study.

    EGIIN GOLIIN HYDRO POWER PLANT PROJECT PAGE 30

    6. UPDATED PROJECT COST ESTIMATION

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    EGIIN GOLIIN HYDRO POWER PLANT

    PROJECT UNIT

    Bayanzurkh district, 26th khoroo

    Olymp street, Encanto town 3rd oor,

    Ulaanbaatar, Mongolia

    Tel: (+976) 7711-1150

    Fax: (+976) 7711-1160

    Email: [email protected]

    Web: www.eghpp.mn