A Beginner's Overview of Stormwater Attenuation System

Stormwater attenuation system is the way to prevent surface water from flooding the area. It also prevents soil erosion and damage to public utility services. It helps by slowing down the rate at which water enters the drainage network. This system comprises a stormwater attenuation tank that stores the rainwater underground. Once the water is stored, it is released at a moderate rate so that the drains can handle the pressure without backing up.

It is compulsory to install stormwater attenuation system?
Ideally, all residential complexes or houses must comprise a soakaway to absorb rainwater. But this cannot be a practical solution to manage stormwater at sites having clay soil or high water table. In such areas, there should be a well-planned stormwater attenuation system to avoid the flood.
The traditional method of stormwater management aims at draining the urban runoff with the help of channels and pipes. This technique increases the peak flow and costs of stormwater management. It transfers flood problems from one section of the basin to another section.

What is the most important component of the Stormwater Attenuation System?
The stormwater attenuation tank is the most important component of the stormwater management system. These tanks can be purchased, installed, and connected to the drainage system. Installing stormwater attenuation tanks require excavation and backfilling of the ground. And, there is no requirement for geomembranes, geotextiles or welding of geomembrane joints.
These days, pipe-based twinstore attenuation is highly used to manage stormwater. This solution uses gravel and tank storage. It is a highly competitive stormwater management system that uses a system of lightweight pipes in a range of diameters.

Conclusion- The stormwater management system is the way to manage stormwater or rainwater to prevent flooding and soil erosion. It is a better than traditional soakaway system that fails on sites having clay soil. It uses stormwater tanks to store the excess water.

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