Drainage plot with their own hands

Surface drainage


If the flooding problem concerns only certain points of the site, local drainage can be done. First, they mark the places where water stagnates, after which water inlets or closed containers are dug in. Most often, moisture accumulates near the terrace and porch, as well as in the hollows of the soil with uneven relief. If such a place is located near the border of the site, the drains are removed beyond its aisles with the help of a trench.
The second variant of the surface drainage system is laying ditches throughout the site. The frequency of laying is determined by the level of bogging, the wetter the ground, the more ditches will need to be dug. They make a depth of about 0.5 m with a bias towards the water intake. The widest trench should collect water from all the others and direct it to the well.
The bottom of the ditch is filled with large rubble, with stones of small fractions being laid on top. You can arrange the last layer of marble chips or decorated with gravel.The banks are decorated with green plants, and the trenches along the perimeter of the site are covered with decorative gratings.

Deep drainage


If the problem of marshiness is not created by clayey soil, but by the close location of groundwater, it is best to make a deep drainage system. First determine the depth of the pipe. For sandy soil, it is recommended to make trenches not less than 1 m, for clayey - 70-75 cm, for loams - 80 cm. One should not forget about the level of soil freezing, it is advisable to place the pipes below it, in this case they will not be deformed by moisture.
The pipes must be protected from the penetration of sand and small particles of earth, otherwise they will eventually clog and stop performing their drainage functions. To do this, each of them wrapped with geotextile. It should be noted finished perforated plastic drainage pipes are already wrapped with filter material.
If the soil is clay, geotextiles are not used, the pipes are laid on a gravel bed about 20 cm thick. On sandy soils, they are wrapped with filter cloth and covered with gravel on top and bottom. On the loams, you can avoid making gravel backfilling, but only wrapping the pipes in fabric.
The optimal layout of the trenches - herringbone, when the side branches flow into one wide central, from which water enters the well. Ditches are dug at an angle to the water intake, it should be about 7 cm per 1 m of trench. It should be checked without fail at the building level.
Drainage pipes laid out in trenches and connected with tees and crosses. Sand is filled up from above, and then rubble, each layer is made about 10-15 cm thick. The rest of the space is covered with soil, forming small rollers. When precipitation passes, they will be equal to the ground surface.


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