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Construction supervision Imboulou hydropower plant / Republic of the Congo

Imboulou hydropower plant DESCPRIPTION OF PROJECT After some twenty years of preliminary studies, construction work for the Imboulou hydropower plant on the Lefini river finally started in 2005. The Direction Générale des Grands Travaux commissioned a Chinese contractor with the turn-key erection of the plant. With an annual production of 680,000 MWh, the new hydropower plant substantially contributes to the energy supply of the Republic of the Congo. The consultant was entrusted with part of the construction supervision and quality control for the hydropower plant and the storage dam as well as the 60-km-long access road. The plant consists of an R.C. dam with four vertical Kaplan turbines, two bottom outlets and the spillway, as well as of a 270-m-long earth dam. PROJECT COMPONENTS AND TECHNICAL DATA Installed capacity: 120 MW Average capacity: 68 MW 4 * 30 MW Kaplan turbines Annual power generation: 680,000 MWh Mean flow rate of Lefini river: 485 m³/s Mean head: 18.3 m Storage capacity: 584 million m³ Plant length: 580 m (storage dam: 310 m / earth dam: 270 m) Plant height: 32.5 m Access road: 60 km / width: 7 m		BRIEF DESCRIPTION Construction supervision for the turn-key erection of the Imboulou hydropower plant (120 MW) CLIENT Délégation Générale des Grands Travaux FINANCING Republic of the Congo SCOPE OF SERVICES Search of material deposits Overall construction supervision Quality and schedule control 27