How Deep Does a Drain Field need to be?
A drainage field is a system of infiltration pipes that are located in trenches and organized so that effluent is discharged to the ground. The field needs to be constructed in a specific manner so that the effluent can be treated in the soil via aerobic digestion. This means it needs to be constructed in the top 700 to 800 mm of the soil to make sure there is aerobic contact. The field must be sufficient enough to treat and disperse the optimal amount of discharge that the system requires. Read on to discover more.
Where should drainage fields be laid?
There is a lot to consider when laying a drainage field. You need to make sure that it is clear of any paved areas, driveways, or access roads. Furthermore, it needs to be separate from any other water supply pipes or any underground services. It also must be 50 metres away from any water supply, as well as being 15 meters from any building. It should be 10 meters from any watercourse as well.
These specifications make sure that the pipes cannot be damaged or warped due to heavy loads above, like buildings or vehicles, as well as making certain that the water from the soakaway is not going to enter a watercourse.
Generally speaking, drainage fields should not be located near or under streams, rivers, other watercourses, trees, parking areas, driveways, boundaries, buildings, and other soakaways or drainage fields.
Always work with a professional when it comes to drainage installations
As you can see, there is a lot that needs to be considered when it comes to drainage fields and making sure that the installation is as effective and successful as possible. You need to make sure that the drainage field is constructed around the top 700 to 800 mm of soil so that there is aerobic contact. Moreover, you need to carefully think about where you are going to have the drainage field laid. There is a lot to take into consideration here, from the elements in the local area to the water supply location. Because of this, it always makes sense to work with a professional. The last thing you want is to have a huge repair on your hands because you attempted to cut corners by handling this yourself. When it comes to something as significant as a drainage field, risks simply cannot be taken.
Final words on how deep a drainage field needs to be
We hope that this has helped you to get a better understanding of drainage fields and the correct size for them to be. If you want to have any sort of drainage system installed in your home, the best thing to do is get in touch with a professional company that will be able to get to the bottom of this for you. They will be able to install a drainage system that is right for the size and configuration of your property so that you can get the very best results.
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