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Sump tank

45 bytes added, 23:56, 28 November 2014

→‎Construction, operation and maintenance

===Construction, operation and maintenance===

[[Image:sump tank 3.jpg|thumb|right|200px|A 20,000 litre sump tank collects rainwater. Source: [http://rainwaterharvesting.wordpress.com/2011/06/21/hi-tech-vs-low-tech-in-the-water-sector/ Hi-Tech vs Low-tech in the rural drinking water sector]. June 21, 2011]]

* The overflow pipe should be just below the tank / sump cover so that there is no ‘dead space’ and the tank can be used to its maximum capacity. The overflow pipe should divert the excess water away from the sump and the foundations of other buildings and structures. This water should be directed to gardens or into the storm water drain and should not create slushy areas. A reverse U bend should be installed at the end of the overflow pipe so that light and other impurities do not enter the tank.

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