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Nepal is blessed with abundant water resources combined with a wide geographical variation from highest Himalayan peak to the lowest area of the terai plain within a short distance. About 6000 rivers and rivulets in Nepal carry about 225 billion cubic meter of water every year and flow down to Indian Ocean via India and Bangladesh. The amount of water resources and the geographical variations show the great potential of hydropower development in the country.

Energy demand in the country has to be fulfilled not only in the domestic sector for lighting and cooking but also in the industrial sector for the national income growth. Nepal is rich in hydropower potential. However, the present status shows the installed capacity of hydropower in the country is only 550 MW. The power demand is increasing at the rate of 11 percent annually. Government of Nepal has the policy to promote the private investment in the construction of medium sized hydropower projects. Such projects require short construction period, which minimizes the gap between power demand and supply, and low capital cost easily manageable by private investors. At present, it is realized that both small and large hydropower projects should be developed in parallel. Large projects should be developed considering the energy market to export it outside the country. Small and medium size projects should be developed to meet the in house demand.

Balephi A Hydropower Project is a run-of-the-river (RoR) type project located in Sindhupalchowk District, Central Development Region of Nepal. The project will have installed capacity of 10.60MW. The proposed Power House site of the project is located at just upstream of existing Kathe pul in the right bank. The Balephi Khola is one of the major tributaries of the Sunkoshi River. The project location in the map of Nepal can be seen in Figure 1 above.

The report is prepared by GERMDC and input from project developer is sought where felt necessary or appropriate. This report is outcomes of detail survey, geological investigation, field visit of various experts/ professionals in many times.

Background

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Objectives

The objective of the present study is to carry out the detail study of the Balephi A Hydropower Project utilizing the available data, information, maps and other related data collected/generated from the field survey/investigation during the study period and used them to prepare detail project study report.

Following are the general objectives of this study:

To collect and review the available data, documents and relevant information relating to the proposed project.
To identify the site and select the best option.
To carryout topographical survey and investigation, where appropriate;.
To prepare necessary maps and sections/ profiles as per the project requirement.
To assess optimal scale of project development and finalize the project layout.
To conduct the hydrological and meteorological study from available time series data as available for the project area;.
To conduct the geological surface study to determine the overburden condition at the sites of major hydraulic structures and to assess rock conditions along the project route.
To conduct sub surface geological investigation where felt needed, so that project to be constructed in safe zone and design accordingly.
To conduct a design and prepare necessary drawings so that detailed design can be started using those information.
To arrive at Bill of Quantity (BOQ) and make cost estimates.
To prepare construction plan and project implementation schedule.

Construction

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