Water Works

by Virginia Fairweather, Editor in Chief; Civil Engineering Magazine, ASCE World Headquarters, 345 East 47th Street, New York City, NY.,

Serial Information: Civil Engineering—ASCE, 1997, Vol. 67, Issue 6, Pg. 54-57

Document Type: Feature article

Abstract: The largest water pipeline under construction is in Botswana, in Africa. The North/South carrier project is phase one of a three phase program to bring water to this arid country. Letsobogo Dam will catch the meagre runoff water northeast of the capital city, Gaborone and a glass reinforced pipeline will convey the water to three water treatment plants near population centers en route to the capital. This phase of the project cost $330 million, and also includes pumping stations. The glass-reinforced pipe is one meter in diameter, and in some cases 1.3 m. Part of the 350 km of pipe is steel. Construction will be a laboratory for comparing cost, speed and ease of installation of the two kinds of pipe. Water needs are great throughout the southern Africa region and many more pipelines are planned. The Botswana project is funded through the Botswana government, with some multi-national and private local money. The project is the result of a 15-year study on water resources and the next phase includes another dam and more pipeline.

Subject Headings: Africa | Water resources | Pipelines | Glass | Reinforcement | Steel |

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