Set up rainwater infiltration in the garden


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There are different ways in which rainwater infiltration in the garden can be arranged. This should be done in a very targeted manner, because not all places and paths have been designed to create water permeable.
For sealed surfaces, for example, there are various ways in which the rainwater can be properly collected and drained off to subsequently seep into it. Also for a specific infiltration the roof drainage water is ideally suited, the only condition here is that it does not contain too much dirt, because thus it is not subject to any laws and regulations.
However, one should consider the construction law, if special facilities for percolation are used, because this usually usually requires a construction and water law approval. Such special structures can be, for example, a manhole or pipe infiltration or a percolation trough.
If the land is already built, you should therefore perhaps prefer the surface infiltration. The types of rainwater infiltration will be briefly presented here.
The surface infiltration
For already built-up land, the land infiltration is recommended because no permits from authorities must be obtained here. The rainwater seeps in the surface infiltration on surfaces that are either permeable or open-greened and thus can easily get into the ground.
However, the substrate should be very permeable, since there is no intermediate storage in the surface infiltration, but this is also the only requirement for this type of rainwater infiltration.
The trough infiltration
From fortified areas, the collected rainwater is temporarily absorbed in the dumping of seepage in a green, shallow depression, here is a temporary temporary storage available.
Then it can seep into the underground. The trough infiltration is suitable above all for land where the green areas are not used. Likewise, this type of infiltration finds its use in the lateral spaces of bicycle and footpaths as well as in parking lots and paths.
The shaft infiltration
A good alternative is the pit infiltration for heavily drained topsoils, which often still have submerged sands or the like. They are often accessible only with a shaft. The shaft should be equipped with an open sole so that the rainwater can be channeled.
It should be ensured that the distance between the upper edge of the sand layer and the groundwater should be at least one and a half meters. The most common use of manhole infiltration is for smaller roof areas, as is the case with single-family homes or gazebos, where the rainwater is supposed to seep away. Often, there are few open spaces on the property suitable for other types of infiltration.
The pipe infiltration
The rainwater is passed through a perforated percolation tube during seepage and can then seep away. However, in this rainwater infiltration, the pipe should be embedded in coarse sand or fine gravel, because so the intermediate storage can take place in the pipe and at the same time in the gravel or sand filling.
Since the infiltration capacity depends on the surrounding soil, the water can be released into the subsoil with delays.
Design rainwater infiltration with support measures
From community to community, funding for rainwater infiltration can vary greatly. In some municipalities, structural measures are promoted and direct grants are granted.
For others, support may be provided indirectly through the fee for sewage, provided that it uses the size of the sealed area as a guide. However, if there are no sealed areas, then of course the fee for the wastewater is eliminated. Which subsidies exist in the own municipality or not, afterwards everyone must inquire themselves.

Video Board: Installing an R-Tank Rainwater Infiltration System.

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