Updated Feasibility Study and Tender Document Preparation of Lower Erkhuwa Hydropower Project (14.15 MW)

  • Project: Updated Feasibility Study and Tender Document Preparation of Lower Erkhuwa Hydropower Project (14.25 MW)
  • Client: Lower Erkhuwa Hydropower Pvt. Ltd.
  • Location: Khadananda Municipality (former Nepale Dada and Chauki Dada VDCs) of Bhojpur District, Province no. 1
  • Date: Completed

The project consist of preparation of Updated Feasibility Study Report and preparation of tender drawings and tender documents of Lower Erkhuwa Hydropower Project (14.25MW). The consultant has completed all the assignment as per ToR.

The layout of the project lies entirely on the right bank of Lower Erkhuwa River and draws a discharge of 10.29 m3/s. The project envisages the construction of a 3.0 m high weir (from ground level) on the river for diversion of a design discharge of 10.29 m3/s (power discharge) through a surface settling basin and intake into the collection pond. The Collection pond is located below the settling basin, which discharges into a 2524.95 m long (2.7m diameter, inverted d-shape) headrace tunnel (as per DPR). The headrace tunnel connects the collection chamber and surge tank of 6.0 m diameter. The water from the surge tank shall be further conveyed through 2.2 m diameter and 595 m long steel penstock pipe to feed two generating units in surface powerhouse. A gross head of 150.65 m is available at power station, which shall be utilized to generate power of 14.15 MW.

Overall Services provided by firm

The scope of services will include, but not 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.

  • Tender level 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.

  • Preparation of complete set of tender documents for Civil works and Hydro-Mechanical works.

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