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THE FILTRATION AND STORAGE TANK
V. Ryan © 2008 - 2009
A range of filtration and storage tanks already exist. One such tank is called a StormBank. This is probably the most advanced and most efficient. system.
How a typical storage / filtration tank works:
A soakaway system is essential when storing water.
Usually the amount of rainfall collected will not exceed the volume of the
tank. However, if a storm occurs or there is a period of heavy rainfall
the storage tank will soon fill. The excess rainwater cannot be allowed to
simply run onto the ground surface outside a building. If this happens the
ground will soon become waterlogged and the soil structure will become
unstable. In this case the ground soil will wash away and it is possible
that buildings close by will suffer subsidence. Subsidence can seriously
damage walls and entire buildings making them dangerous to inhabit.
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