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The Nam Theun 2 Hydroelectric Project involved construction of a 1070MW hydroelectric power station in the Nam Theun River catchment in central Laos. The project was a trans-basin scheme, diverting water from the Nam Theun River catchment into the Xe Bang FaI River system, producing 348 m of net head to drive the generating units.
Aurecon was engaged to undertake tender, preliminary and detailed design and documentation of the downstream channel works for the Nam Theun II Hydropower Project.
Aurecon applied a programme of numerical modelling (1-dimensional, 2-dimensional and computation fluid dynamics), and physical model testing to facilitate the hydraulic design of the channel, rock protection, hydraulic structures and river confluences. The modelling was also used to investigate air entrainment and ensure that water quality criteria would be satisfied.
Aurecon’s integrated team of hydraulic specialists, structural and civil designers, geotechnical engineers, and geologists worked with geomorphologists and international dam experts to deliver an innovative, effective design for the project.
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