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Hydraulic ram pumps and Sling Pumps

Hydraulic ram pumps and Sling Pumps

Hydraulic ram pumps and Sling Pumps

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figure 5.2Table 6: Dimensions for ferro-cement tanksWithin the circle remove all topsoil (vegetable soil). If the depth of this layer is more than 100 mm,you have to refill with hardcore. Note no foundation should be made on topsoil. Refilling is alsorequired if only part of the marked-out area has a deeper layer of topsoil. The refill must becompacted by pile-driving. It also helps to fill water on top of the compacted refill overnight <strong>and</strong>piledrive the next day. The same is required if the soil is very s<strong>and</strong>y. See also Chapter 5.2.Note: The structure of the tank can crack if it is built on unstable ground. Any structure is as strongas its foundation <strong>and</strong> the ground founded on.31

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