|Dam and spillways|
|Height||33.6 metres (110 ft)|
|Length||1.7 kilometres (1.1 mi)|
|Total capacity||90,000,000 cubic metres (3.2×109 cu ft)|
The Thune Dam is a dam on the Thune River in Botswana that was under construction in 2012. It has a planned capacity of 90,000,000 cubic metres (3.2×109 cu ft).
The dam is located on the Thune river upstream from its confluence with the Motloutse. The dam is situated in relatively flat country, and will have an average depth of about 15 metres (49 ft). Given the hot, dry climate, evaporation loss is a serious concern. Various ways to reduce such loss have been considered but rejected. The dam will be an earthfill clay-core structure. It will be 33.6 metres (110 ft) high, with a 1.7 kilometres (1.1 mi) long wall and a 90,000,000 cubic metres (3.2×109 cu ft) capacity.
The dam will supply drinking water to several villages in the Bobirwa area, and irrigation water to an agricultural project near Mathathane.Once complete, water will be delivered to the villages of Bobonong, Motlhabaneng, Mathathane, Tsetsebjwe, Mabolwe, Semolale, Gobojango, Lepokole and Molalatau.
A stakeholders workshop was held in September 2009 at Molalatau Secondary School Hall, where the Minister provided information and answered questions. He warned that, although the dam would bring large benefits, there would also be problems during the construction process such as an influx of illegal immigrants, crime and sexual problems such as HIV/AIDS and teen pregnancies.
The dam site was handed over to the contractor, Zhon Gan Engineering and Construction, on 30 April 2010.The project was due to be completed in April 2013. The water treatment plant and pipelines could be delayed until 2014 due to funding problems. In July 2010 it was reported that work on the dam site had halted since an incident in which a worker was killed a month earlier. Bush clearing had started in the site so surveying could be undertaken, but the project was behind schedule. A ground-breaking ceremony was held in September 2010, attended by Ponatshego Kedikilwe, Minister of Minerals, Energy and Water Resources.
As of March 2011, Thune Dam was just 38% complete. Delays had been caused by floods, and there were problems with construction of accommodations and with licenses.
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Water Utilities Corporation (WUC) is a government-owned corporation that provides water and waste water management services in Botswana. The Board is appointed by the Minister of Minerals, Energy and Water Resources. The water supply is critically important in the arid or semi-arid environment of Botswana.
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The Dikgatlhong Dam is a dam near the village of Robelela on the Shashe River in Botswana, completed in December 2011. When full it will hold 400,000,000 cubic metres (1.4×1010 cu ft). The next largest dam in Botswana, the Gaborone Dam, has capacity of 141,000,000 cubic metres (5.0×109 cu ft).
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The North-South Carrier (NSC) is a pipeline in Botswana that carries raw water south for a distance of 360 kilometres (220 mi) to the capital city of Gaborone. Phase 1 was completed in 2000. Phase 2 of the NSC, under construction, will duplicate the pipeline to carry water from the Dikgatlhong Dam, which was completed in 2012. A proposed extension to deliver water from the Zambezi would add another 500 to 520 kilometres to the total pipeline length. The NSC is the largest engineering project ever undertaken in Botswana.
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