Storage Tanks
Storage is often a major cost component of stormwater harvesting systems and optimising storage
capacity through catchment modelling and system design is a focus. Both raw water and treated water
tanks are required due to the high level of...
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Storage Tanks
Storage is often a major cost component of stormwater harvesting systems and optimising storage
capacity through catchment modelling and system design is a focus. Both raw water and treated water
tanks are required due to the high level of filtration involved. Tanks may be above ground steel, polyethylene or fibreglass tanks, or below ground precast concrete or fibre-reinforced plastic (FRP) tanks.
STORAGE AND
TREATMENT
Storage is needed to hold stormwater until it is
needed for use. The treatment process varies
depending on raw water quality and end use
requirements, however it typically involves
media filtration and disinfection.
Diversion Point
A site drainage outlet is often a suitable diversion point as it maximises catchment area and provides a
natural or artificial channel suitable for a diversion weir. A stormwater pit within a site drainage network
is an alternative however this reduces catchment area and only low flows can be diverted without
impacting drainage capaci
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