Rehabilitation of the Upper Reservoir BS1 of the Pumped Storage Plant in Coo – Trois-Ponts, Belgium

The existing pumped storage plant Coo in Trois-Ponts has two upper basins (Coo 1 & Coo 2), both being located on Mont de Brume, and a single lower reservoir located at an ancient river bend of the Amblève River. The plant was commissioned in two stages, Coo 1 (1969) and Coo 2 (1978).more

Laúca Main Works, Angola

In 2013, The Angolan Government has started the construction of the Laúca Hydropower Project with an installed capacity of 2,067 MW, presently one of the largest hydropower projects in Africa. As a member of an International Consortium, Lahmeyer was contracted for the design review and supervision of the dam, hydraulic power circuit and the powerhouse, including the electro-mechanical equipment. Lahmeyer will give assistance during commissioning and initial operation as also for the supervision during the first year of the warranty period.more

Capanda Hydropower Plant, Angola

The construction of the Capanda dam was initiated in 1982, but due to military conflicts the works stopped in the 1990s. After the resumption of the construction works the first units started going into operation in 2004. The power station contains four Francis Turbines with a capacity of 130 MW each. The dam is a roller compacted concrete (RCC) type with a maximum height of 110 m. more

Naga Hammadi Dam, Egypt

The original Naga Hammadi Barrage is located on the River Nile in Upper Egypt some 135 km north of the city of Luxor. It was commissioned in 1930 and is one of a series of structures to raise river levels and divert water to irrigation areas. After several years of planning, the construction of a new barrage began covering a sluiceway, a powerhouse and two navigation locks.more

Mujib Dam, Jordan

The Mujib Dam is located in the Wadi Al Mujib, south of Madaba and north of Al Karak. The Al Mujib drains toward the Dead Sea. The Mujib Dam is a composite dam, consisting of a RCC middle section and clay core rockfill (CCR) sections at both abutments. The water intake consists of draw-off works with intakes at three levels. The reservoir will be mainly used for irrigation purposes.more

Maguga Dam MDC-4, Swaziland

The construction of the Maguga Dam is the key element in the development of the irrigation potential of the Komati River in Swaziland and in South Africa. After review of a feasibility study of 1992 and other work done before 1996, one of 6 dam types had to be selected for the site. The dam types studied included an arch roller compacted concrete (RCC) dam, a gravity RCC dam, three rockfill dams (inclined clay core, asphalt core, concrete face) and a composite RCC rockfill option.more

Midlands Dam, Mauritius

The Midlands Dam on the Grand River South East (GRSE) on the Central Plateau of Mauritius will be utilized to improve the water supply for domestic, industrial and irrigation purposes in the northern plains of the island. To establish the optimum dam type for the given site conditions, different alternatives were investigated including: homogeneous earthfill dam; roller compacted concrete dam; and rockfill dam with clay core, asphaltic core or surface sealing. The dam is founded on the residual soil, thereby avoiding extensive excavation works.more

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