Preparation of Updated Feasibility Study of Upper Myagdi Hydropower Project (37 MW)

  • Project: Preparation of Updated Feasibility Study of Upper Myagdi Hydropower Project (37 MW)
  • Client: Hydro Empire Pvt. Ltd.
  • Location: Dhaulagiri Rural Municipality, Myagdi District, Gandaki Province
  • Date: Completed

The project consist of preparation of Bankable Updated Feasibility Study Report of Upper Myagdi Hydropower Project (37 MW). The consultant has completed all the assignment as per ToR.

The proposed Upper Myagdi Hydroelectric Project (37 MW) will utilize the flow available from Myagdi Khola. As per the updated Feasibility Study Report, the design discharge of the project is 14.42 m3/s where it utilized the gross head of 316.5m. The headworks arrangement of the project is located at the right bank of Myagdi Khola just downstream of Sinkosh khola and Myagdi Khola junction. The diversion weir with weir crest level at 1710.00 m amsl. The headworks arrangement consists of intake, under-sluice, gravel trap, 2.7m dia 320m long headrace pipe in the right bank of the Myagid River and meet the underground settling basin in the right bank after river crossing. The design flow is diverted from intake-gravel trap, to underground two bay settling basin (80.00 m x 4.85 m x 4.50 m (L x B x H), each)  via headrace pipe. The flow then passes through the inverted D-shape tunnel of final dimension 3.50 m wide and 3.50 m high of length 3900 m up to surge shaft. Then after, the 2.00 m dia., 900 m long penstock pipe has been proposed between surge tank and bifurcation point, which conveys the flow to the powerhouse located on the left bank of Myagdi Khola. the part of penstock pipe is proposed in vertical shaft (140m) and in penstock tunnel (150m). The powerhouse consists of 3 units of vertical axis Pelton turbines to generate 37.00 MW power. The generated energy is proposed to evacuate at Dana Substation via 38 km long 132 kV single circuit Transmission Line. But NEA’s Danda Khet substation is also under construction which is just 10 km from the propose PH.

Overall Services provided by firm

The scope of services will include, but not be limited to, carrying out the following activities:


  • Review of feasibility study.

  • Additional hydrological analysis, development of rating curve based on available measurement and stage data, low flow analysis and sediment study.

  • Review of previous geological study, additional surface mapping wherever deemed necessary, assessment of construction materials and its necessary lab tests, recommendation /supervision of additional geological investigation and drilling works.

  • Design of the civil and hydromechanical components that includes, hydrological analysis, hydraulic design, stability analysis, stability analysis and preliminary assessment of structural design, hydromechanical design of gates and penstock, etc.

  • Project cost estimate

  • Preparation of detail construction schedule.

  • Coordinating for preparing Environment Management Plan (EMP) and Social Management Plan.

  • Preparation of bankable Updated Feasibility Study Report.

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