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When designing a stormwater attenuation system, it's important to consider not only the hydraulic requirements, but the site conditions, the construction process, the necessity for maintenance, the environmental concerns and the technical, legal and client constraints
The flexibility of the system is thus central to the solution - can the design be optimised to meet the relevant conditions and controls? One of the most important benefits of ADS StormTech - the worlds preferred stormwater attenuation system - is its adaptability, meaning engineers can produce the most effective design, whatever the circumstances.
This is particularly true when minimising the construction depth of the attenuation system. This largely depends on two factors: minimum cover depth and the height of the stormwater storage system. Shallow systems may help avoid contact with high groundwater, and lower dig depth can reduce dewatering costs and installation delays in saturated ground. Shallow systems can also minimise the cost of excavation, muck-away and embedment/backfill, including fewer transport movements to and from the site. Reducing the depth may also enable the invert depth of the entire upstream drainage system to be raised, resulting in additional cost savings.
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