Sizing a Sump: Step by Step To ensure that the soakaway works effectively, sizing is a fundamental step. Correctly calculating the size and capacity of the soakaway is essential so that it is able to absorb all the water without overflowing or causing soil saturation. ???? 1. Calculating Effluent Flow To begin, it is necessary to estimate the amount of effluent that will be discharged into the soakaway. This calculation may vary depending on the type of installation (residential, industrial or agricultural) and the number of people or volume of water used. The basic formula considers: Population served (P): number of people who will contribute to the effluents. Average daily water consumption (Q): average water consumption per person, usually in liters. The general formula is: Flow (Qeffluents) = Population (P) x Average Consumption (Q) ???? 2. Determining Soil Permeability The infiltration capacity of the soil is another crucial factor in sizing. More permeable soils, such as sand, allow for greater infiltration, while clay soils require a larger soakaway to handle the same amount of water. To determine soil permeability, simple tests can be performed on site or reference tables with infiltration values ​​for each soil type can be consulted. These values ​​are essential for defining the size of the soakaway. ???? 3. Depth and Diameter of the Soil The depth and diameter of the soakaway vary according to the expected volume of water and the permeability of the soil. For sandy soils, the depth can be smaller, while in clay soils the depth should be increased to facilitate absorption. Care and Maintenance of the Soil In addition to sizing, it is essential to ensure that the soakaway remains in good condition over time. Some basic care includes: Avoid overloading the system: size the soakaway so that it does not exceed the absorption capacity of the soil. Periodic maintenance: check regularly to identify problems with clogging or soil saturation. Use of biodegradable products: avoid dumping harsh chemicals that can contaminate the soil and groundwater. Common Mistakes in Drain Sizing For the drain to function properly, it is essential to avoid frequent mistakes during sizing. Some of the most common mistakes include: Undersizing: when the drain is smaller than necessary, causing overflow and pollution. Not considering soil permeability: soil that is unsuitable for infiltration can quickly saturate, causing the drain to malfunction. Lack of maintenance: lack of regular care can cause blockages and the need for costly repairs. Conclusion: The Importance of Proper Drain Sizing Correctly sizing the drain is not only essential for the proper functioning of the system, but also for environmental preservation and public health. By following these guidelines, you will be able to size your drain efficiently, safely and sustainably. If you want to learn more about sizing and choosing the ideal type of drain, watch our full video! Here, we cover all the technical details so you can understand and apply the concept to your property or project. ???? Don't forget to like the video, subscribe to the channel and activate the bell to receive notifications of the next content! Leave your comments with questions and suggestions! ???? ACCESS THE LINKS MENTIONED IN THE VIDEO: https://projetistapleno.com/dimension... ???? GET TO KNOW THE UPDATES OF NBR 17076: https://projetistapleno.com/nbr-17076/