Project Description: Kimathanka Arun Hydroelectric Project is a Peaking RoR project of installed capacity of 450 MW. Klmathanka Arun HEP is northern most project proposed along the Arun river located In Sankhuwasabha district. The headworks 0f the project is located about 2.5 km South of the Nepal China border. The project has catchment area of 24,836 km2 and uses design discharge of 143 m3/s. It generates total annual energy of 2,590 GWh.

Scope of Services:

1. Carrying out suspended sediment sampling using point sampler in following frequency;
    • May to September: two sets daily;
    • October and November: one set daily;
    • December to February: one set weekly; and
    • March and April: one set daily
2. Set up and operation of sediment laboratory at project site;
3. Carrying out laboratory test analysis in following frequency:
    • Concentration Analysis: 1536 samples;
    • Mineral Content Analysis: 50 samples; and
    • PSD analysis 50 samples using laser diffraction method
4. Submission of monthly report including lab test results; and
5. Development of sediment rating curve.
6. Equipment used to take samples using point sampling method:
    a. Point Sediment Sampler;
    b. Filtration System and weighing accessories;
    c. Trinocular Stereo Zoom Microscope; and
    d. Laser Diffraction Particle Size Analyzer.