Geophysical Investigation at Lower Erkhuwa Hydropower Project (14.15 MW)

  • Project: Geophysical Investigation at Lower Erkhuwa Hydropower Project (14.15 MW)
  • Client: Lower Erkhuwa Hydropower company Limited
  • Location: Khandananda Municipality, Bhajpur District
  • Date: Completed

The project consist of preparation of Geophysical Investigation of Lower Erkhuwa Khola Hydropower Project (14.15 MW), carry out the construction planning and scheduling and preparation of drawings. The consultant has completed all the assignment as per ToR.

The proposed Lower Erkhuwa Khola Hydropower Project (14.15 MW) is located in Khadananda Municipality of Bhojpur District. The project area can be reached through Kathmandu-Tumlingtar (Sankhuwasabha) road followed by gravel road up to Chewabesi from Tumlingtar. The road from Bhojpur to Majuwabesi  (Powerhouse site) is single lane fair weather earthen track (about 49 km). Lower Erkhuwa Khola Hydropower Project is a run-of-river type of hydropower project and has installed capacity of 14.15 MW with design discharge of 11.20 m3/sec and rated net head of 145.78 m. The project is capable of delivering 79.79 GWh of energy annually to NEA grid at proposed Sitalpati 33kV substation at Shankhuwashabha.

Overall Services provided by firm

The scope of the consultancy services includes, but not limited to, following major activities:


  • Geophysical Investigation using 2D Electrical Resistivity Tomography (2D ERT) and Multi spectral Analysis of Surface Waves (2D MASW).

  • Carried out 2D ERT of linear length of 1365m and 4 MASW Points/Profiles.

  • Collection, study and analysis of Maps (digital, topographic, geological and satellite imageries).

  • General geological mapping of the area.

  • Determination of overburden/bedrock depth, shear zones and other important features.

  • Subsurface characterization and calculation of geotechnical parameters based on geophysical investigations.

  • Preparation of final report with suggestion and recommendations subsurface condition.

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