About: Maguga Dam

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The Maguga Dam is a dam on the Komati River in Eswatini. It is 115 metres (377 ft) high and is located about 12 kilometres (7.5 mi) south of Piggs Peak. It was built as a joint project of the governments of South Africa and Eswatini. As of 2005, it was the largest public works project ever undertaken by Eswatini. The dam was completed in mid-2001. Droughts have caused major problems. In 2007, the dam's capacity was down to 37%. In 2015, the water levels at the dam were at a record low, and on 20 February 2016, the water storage level was measured at 31%. The project displaced about 1000 people.

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dbo:abstract
  • Le barrage de Maguga est un barrage sur la Komati en Eswatini (Swaziland). D'une hauteur de 115 mètres et situé à environ douze kilomètres au sud de Piggs Peak, il fut construit conjointement par les gouvernements sud-africain et eswatinien. En 2005, il était le plus grand projet de travaux publics jamais entrepris par l'Eswatini, terminé au milieu de l'année 2001. En 1992, les deux pays signent un traité portant sur la conception, la construction, l'exploitation et l'entretien des barrages de Driekoppies et de Maguga. L'Afrique du Sud étant la seule bénéficiaire de ce barrage, elle en assume l'intégralité des coûts (bien que le réservoir résultant se trouve partiellement en Eswatini). Le but premier du barrage est l'irrigation (pour la canne à sucre, la sylviculture et environ mille petits agriculteurs d'Eswatini) mais une centrale hydroélectrique d'une capacité de 20 MW (générée par deux unités d'une capacité de 9,9 MW chacune) devait être terminée en octobre 2006. C'est un barrage en remblai en enrochement d'argile. Le remblai du barrage comprend environ 800 000 mètres cubes d'argile, 2 800 000 mètres cubes de roche granitique et 43 000 mètres cubes de matériau filtrant. Il a une hauteur totale de 115 mètres, une longueur de crête de 870 mètres et une largeur de base de 400 mètres. Il a une capacité de 332 000 000 m3 d'eau et une superficie de 10 420 000 m2. Il a été conçu pour résister à une crue maximale probable de 15 000 m3 par seconde. Il existe un déversoir labyrinthe de 181 m de long. Les sécheresses ont causé des problèmes majeurs. En 2007, la capacité du barrage était tombée à 37 % de sa capacité. En 2015, les niveaux d'eau du barrage étaient à un niveau record et le 20 février 2016, le niveau de stockage de l'eau a été mesuré à 31 %. Le projet a déplacé environ mille personnes. La coentreprise du barrage de Maguga a reçu une mention élogieuse de l'Association sud-africaine des ingénieurs-conseils dans la catégorie « excellence en ingénierie », avec une valeur supérieure à 5 millions de dollars en 2002. Le barrage a également remporté le prix Fulton 2003 de la Concrete Society of Southern Africa pour les ouvrages de génie civil. * Portail sur les barrages * Portail des lacs et cours d'eau * Portail des énergies renouvelables * Portail de l'Eswatini (fr)
  • The Maguga Dam is a dam on the Komati River in Eswatini. It is 115 metres (377 ft) high and is located about 12 kilometres (7.5 mi) south of Piggs Peak. It was built as a joint project of the governments of South Africa and Eswatini. As of 2005, it was the largest public works project ever undertaken by Eswatini. The dam was completed in mid-2001. In 1992, the two countries signed a treaty covering the "design, construction, operation and maintenance" of the Driekoppies and Maguga Dams. As the former benefited South Africa exclusively (though the resulting reservoir lay partially in Eswatini), South Africa bore the entire cost for that dam. As for the latter, Eswatini was responsible for about 40% of the cost. The dam's primary purpose is irrigation (for water-intensive sugar cane, forestry and "about 1000 of Eswatini's small farmers") but a hydroelectric power station with a capacity of 20 MW (generated from two units, each with a capacity of 9.9 MW) was to be completed in October 2006. Maguga is a "clay-core rockfill embankment dam". The dam embankment comprises approximately 800,000 cubic metres (28,000,000 cu ft) of clay, 2,800,000 cubic metres (99,000,000 cu ft) of granite rock and 43,000 cubic metres (1,500,000 cu ft) of filter material. It has an overall height of 115 metres (377 ft), a crest length of 870 metres (2,850 ft) and a base width of 400 metres (1,300 ft). It has a capacity of 332,000,000 cubic metres (1.17×1010 cu ft) and a surface area of 10,420,000 cubic metres (368,000,000 cu ft). It has been designed to withstand a probable maximum flood of 15,000 cubic metres per second (530,000 cu ft/s). There is a 181-metre (594 ft)-long labyrinth spillway. Droughts have caused major problems. In 2007, the dam's capacity was down to 37%. In 2015, the water levels at the dam were at a record low, and on 20 February 2016, the water storage level was measured at 31%. The project displaced about 1000 people. The Maguga Dam Joint Venture received a commendation from the South African Association of Consulting Engineers in the category of Engineering Excellence with a value greater than R5 million for 2002. The dam also won the Concrete Society of Southern Africa's 2003 Fulton Award for Civil Engineering Structures. (en)
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  • 115 m (en)
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  • Maguga Dam (en)
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  • Maguga Dam (en)
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  • The Maguga Dam is a dam on the Komati River in Eswatini. It is 115 metres (377 ft) high and is located about 12 kilometres (7.5 mi) south of Piggs Peak. It was built as a joint project of the governments of South Africa and Eswatini. As of 2005, it was the largest public works project ever undertaken by Eswatini. The dam was completed in mid-2001. Droughts have caused major problems. In 2007, the dam's capacity was down to 37%. In 2015, the water levels at the dam were at a record low, and on 20 February 2016, the water storage level was measured at 31%. The project displaced about 1000 people. (en)
  • Le barrage de Maguga est un barrage sur la Komati en Eswatini (Swaziland). D'une hauteur de 115 mètres et situé à environ douze kilomètres au sud de Piggs Peak, il fut construit conjointement par les gouvernements sud-africain et eswatinien. En 2005, il était le plus grand projet de travaux publics jamais entrepris par l'Eswatini, terminé au milieu de l'année 2001. Le projet a déplacé environ mille personnes. * Portail sur les barrages * Portail des lacs et cours d'eau * Portail des énergies renouvelables * Portail de l'Eswatini (fr)
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  • Barrage de Maguga (fr)
  • Maguga Dam (en)
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