What Is Stormwater Attenuation Solution And How It Works?

Stormwater attenuation solution is the process of storing excess stormwater or floodwater. It refers to a manmade system that controls the water, store it in a tank, and releases it at a restricted rate. Practically, every residential building must comprise a stormwater attenuation tank to avoid waterlogging and flooding. The tank is covered by constructing a hard surface (roofs, patios, driveways, etc.), which can be further used for car parking. In case of increased runoff, the natural soakage and vegetation around the tank can slow the runoff.
Stormwater Attenuation Solution by Carlow Concrete

The effects of increased runoff on stormwater attenuation solution
Sometimes, an increase in water flow can have many effects on the stormwater attenuation system, including increased surface water, flood, and possible flooding potential. It might increase the stress on the piped network, leading to it failing earlier. Moreover, sometimes the water force might cause soil erosion around the water tank, thereby, bringing all the mud and dirt into the pipes. Taking care of all these mishappenings that might occur, it’s important to use quality equipment.

Simple tips to manage stormwater
1) When preparing the building foundation, you need to avoid cut and fill on your block.
2) To stop the adverse effects of soil erosion, it’s important to grow deep-rooted plants and trees around the tank. Apart from that, make sure that the surface around the stormwater tank can absorb extra water. This can be achieved by minimizing the area of impervious traps (e.g. concrete driveways) and employing sediment traps instead.
3) Before installing infiltration trenches, you should consider the type of soil- avoid using clay soil, and it’s best to use sandy soil as it possesses excellent infiltration capacity. Apart from that, ensure that the soil has sufficient depth; otherwise, it may require some stormwater pipes to remove water for discharge off-site.

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