The easiest way to drain a bath is to connect to a common sewage system. However, it happens that it is impossible to do this for one reason or another. In such cases it is necessary to equip an autonomous system. Specialists offer several ways to drain sewage. Which of them to use, depends on the location of the bath, the intensity of its use and the capabilities of the owners. Consider how best to make a drain in a bath and to limit sewerage by the example of two, the most commonly used methods.
Installation of a septic tank
A septic tank is a reservoir for reception of wastewater. It is one of the main elements of an autonomous sewage system. Arrangement of plums according to this scheme has several options, depending on the type of septic tank. If the product is delivered single-chamber, then when the reservoir is filled, it will have to pump out its contents.
As a rule, this is not always convenient, since it is necessary to provide a driveway for the special vehicle, and it will have to be done regularly. More often septic tanks are installed multi-chamber( 2 - 3 pieces).In this case, the cleaning of the sewage system is carried out in several stages, and there is no need to use the technique to empty the tanks. However, it is necessary to equip the whole system, which requires, in the first place, some free space, not to mention labor costs.
What to take into account: when installing a drain in this way, it is necessary to install a septic tank at the lowest point of the site. Perhaps, and especially deepen in order that the sewage flowed by gravity, and the reservoir in winter did not freeze. Plus the additional costs of installing a rather complex pipe system.
Device of sump-settler
The bottom of such a well is lined with loose material. You can use river sand, gravel, crushed stone, small bricks, expanded clay - this filling plays the role of a filter. Over time, a layer of silt is deposited on it. Sewage, passing through such a layer, is partially cleaned. More complete purification of it occurs already directly in the soil layer.
Dig a well no closer than 5 m from the nearest structure so that the sewage does not damage the foundation. In the dug hole it is desirable to lay the reinforced concrete rings. However, this is not always possible, as it will require the use of a crane. Therefore, usually the walls of the well are encased in formwork, reinforcing bars are installed and the concrete solution is poured, and the bottom remains free. Although it is still easier and more reliable to make a sewer well of concrete rings, as I said.
When laying a pipe from the drain hole to the well, it is necessary to withstand a certain slope. There is enough angle of 5 - 7 degrees. It should be thought that in winter the land freezes, and it is necessary to insulate the part of the branch pipe, which is located outside the building, further. Otherwise it will freeze, and the sewerage will cease to function. The depth of the well must exceed the freezing depth of the soil by at least 0.5 m.
