spring tapping

December
10

 

Country: Isingiro, Tansania
Task: Spring preparation and gravity-fed water supply
Scope: Turnkey (planning, delivery, construction) beginning with supply network, including pipelines, reinforced concrete tanks, (domestic) connections
Project Partner: BSI Innsbruck
Duration: February 2010 to February 2011

 

St. Mary’s Hospital is now supplied with drinking water from Isingiro via a pipeline of about two and a half kilometres. The project followed an ecological rehabilitation strategy with work commencing in early 2010. First of all, a spring had to be located and made accessible; this was achieved by digging horizontally into the mountain at the spring outlet. A shaft consisting of three chambers is used to purify the water. The steep decline required the construction of an intermediate tank about 150 metres below the spring in order to reduce the pressure within the pipeline. Along the pipeline two additional control shafts were created which are used for inspection and maintenance.

The water is collected in two newly created tanks of reinforced concrete with a capacity of about 200 cubic metres. Beginning from there, about 800 metres of plastic pipes were installed to provide the separate buildings – as well as the flats of the employees – with drinking water. At the hospital itself, ten water taps were installed for patients and their relatives.

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