Stormwater attenuation system refers to the manmade technique by which stormwater or rainwater is restricted from creating a flood-like situation. Sometimes, heavy rainfall or hurricanes can cause a disastrous situation- creating excess waterlogging and destroying public utility services. Therefore, every residential area should comprise a stormwater management system.
As rainwater can drain away everything lying in its path, it can flood lower-lying areas even more quickly. However, by collecting the water into a stormwater attenuation tank, and then, diverting the collected water slowly into nearby water bodies, this risk can be averted. The floodwater is released at a controlled rate so that further flooding is prevented.
A stormwater attenuation system can be built using a range of components, such as drainage pipes, separators, and stormwater attenuation tanks. Road pavements, high-rise buildings, and car parks can interrupt the drainage process. Therefore, stormwater and manmade attenuation system require the construction of water-impermeable surfaces.
Increasing the size of the stormwater watercourse can improve the water retention capacity of the stormwater attenuation system. Apart from that, the stormwater attenuation system has to be connectible with established products and be adaptable to either load-bearing or non-bearing systems. A functional stormwater attenuation system requires an elevator to create space underneath. This underground space is utilized to fit a tank for storing floodwater. The stormwater attenuation tanks can be designed in customized shapes and sizes. And, the lid over the tank can withstand up to 80-tonne vehicle parking. Stormwater attenuation tanks are sometimes used with soakaway Crates to capture water and store it elsewhere. Both of them are perfect for groundwater infiltration, so are a very effective way to capture rainwater. Where the soakaway crate has the ability to capture water from surrounding areas, a separate tank has the ability to capture water from a wide area by using connected pipes.
Storm Water Attenuation Article 