Obayashi wins contract for Nam Ngiep dam project

Japanese construction company Obayashi has been awarded a contract to provide civil engineering works for the 288 MW Nam Ngiep 1 hydropower project in Laos.

The project is being developed by Nam Ngiep 1 Power Co. Ltd., which includes KPIC Netherlands B.V., the Electricity Generating Authority of Thailand (EGAT), and Lao Holding State Enterprise (LHSE), which own 45%, 30% and 25% of the group’s shares, respectively.

Per the contract, Obayashi construct roads for the project, the dam itself, and the hydroelectric plant’s two power stations. The dam will be 148-meters-tall by 530-meters-wide, impounding a body of water with a volume of about two million cubic meters.

The company said work on the roads, river diversion, excavation for the dam foundations and other preliminary work will be completed by 2015, with concrete work on the main dam body beginning in 2016. Power generation is scheduled to begin in January 2019.

Power will be generated by a pair of stations. One will generate 270 MW, while the other will generate 18 MW.

The plant is to be located along the Nam Ngiep River — a tributary to the Mekong River that flows through both Laos and Thailand.

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