A storm well is located on the territory near the house in order to divert the excess volume of water that forms when snow melts and as a result of rains. As one of the components of storm sewers, a rain well acts, which includes:
A storm well has a neck through which water enters the mine. After precipitation can be used. The well is protected by a cover to exclude the possibility of getting into a person and foreign objects.
Varieties
A storm well can be made of plastic or concrete. Most often in the latter case, reinforced concrete is used. Depending on the purpose, wells can be divided into:
- absorbing;
- reception rooms;
- differential.
Description of wells
The first kind of wells is also called filtering. Such structures are bottomless, because they are located on the site below the groundwater. The liquid that enters the absorption well goes into the ground. The receiving well of storm sewers is designed for areas where groundwater is located quite high.
The fluid entering this design can be used in the next step to irrigate the area. In order to extract water from such a well, pumps are used. An overflow storm well is installed where impressive land swings are present. Such designs can eliminate the flow of water, which would be able to disable the system.
Storm well device
For the reason that such a well can be made of plastic or reinforced concrete, the installation technology of these structures is different. In the case of a plastic product, a corrugated pipe or well of the desired diameter is prepared in the first stage. For the work should take care of the presence of:
- rubber seal;
- mastics;
- sealant;
- concrete mortar;
- gravel or sand.
If required, then prepare the plastic bottom. Seals are needed to ensure reliable connection of elements. And for additional protection of these places, sealant should be used. Strengthen the connection of the shaft with the bottom using mastic.
The well of storm sewers can be represented by a corrugated pipe. For installation, a pit and trenches for laying pipes are prepared. The bottom soil is strengthened by fine gravel or sand. In the corrugated pipe, holes are made that will be necessary to connect the pipes.
Using a rubber sealant, connect the piping. The joints are sealed. If the well has a bottom, then it is fixed on a concrete base. The next step is to proceed with the installation of the corrugated pipe.
The bottom and the pipe at the junction are processed with mastic, it is advisable to use the one that is made on the basis of bitumen. Along the entire perimeter, the walls of the well are covered with gravel, and after that with earth. At the final stage, a protective cover is placed on top of the shaft. The well can be performed independently from plastic rings or corrugated pipes, this approach will save.
Reinforced concrete well device
If the well is made of reinforced concrete, then it will be much more difficult to install it than plastic. To carry out the work you will need:
- concrete rings;
- cement mortar;
- concrete slab;
- lifting equipment.
The bottom of the well will be a stove. To seal joints, in addition to cement mortar, it is necessary to prepare plaster and bitumen. At the first stage, it is necessary to dig a hole and trenches for pipelines. A concrete slab is installed at the bottom. An alternative solution is pouring the base from a concrete mixture. The foundation and rings are treated with bitumen, which significantly extends the service life of products.
As soon as the stove dries, you can start installing the rings, but you can not do without lifting equipment. It is important to exclude distortions. The joints between the rings are treated with cement mortar and bitumen. After these materials have dried, plastering the walls should be done.
Sand should be poured into the bottom of the well. Soil is used for backfilling. All layers are compacted using special equipment or a shovel. At the final stage, the well is closed by a lid, and a blind area is made around it. Its width should be 150 cm or more. This will strengthen the structure.
Distribution well device
The distribution well of storm sewers is usually a container made of durable fiberglass, which quite often has reinforced walls. This design is equipped with inlet and outlet channels. The container is closed by a lid. The input channel is usually one, while the output channels should be two, they are organized at different levels.
The distribution well is equipped with a ventilation pipe. Designed to distribute water and supply fluid to treatment plants. A staircase is provided inside the enclosure for ease of maintenance. The neck of the well has a diameter that is usually 60 cm. This allows you to install a cast-iron sewer hatch on top. Structurally, it is possible to install a plastic hatch. This is true for the case when the well is located in a green area.
Drainage well
The drainage well for storm sewers is located in places where moisture accumulates most often, this may include depressions in the ground, as well as a platform under the drainpipe. Such a reservoir has the form of a vertical drainage pipe into which ground and surface water flows. The throughput of the structure is quite high.
If we are talking about linear storm sewers, then in this case the walls of the drainage well are additionally reinforced with concrete rings. However, considering the issue from the point of view of economy, it should be emphasized that the most profitable option for the mine is a plastic well in the form of a structure with drained pipes. The walls are strengthened by casing pipes, the diameter of which varies from 300 to 400 mm.
Cleaning
The device of a storm well you already know, this was discussed above. However, for proper operation it is important to know not only this. Experts recommend that you familiarize yourself with the features of cleaning. The described system requires care. After all, it can be clogged with deposits and accumulated debris. Manipulations can be carried out in the following ways:
- thermal;
- chemical;
- hydrodynamic;
- mechanical.
The mechanical method is most often used to clean individual systems. It provides for manual removal of dirt from gutters, storm water inlets, drainage channels and fluid cleaning systems. To do this, you can use brooms, mops and special devices with tips.
The hydrodynamic method for cleaning wells is also quite common. It involves the use of high pressure technology. The destruction of blockages is carried out under the influence of a stream of water. Cleaning storm water wells using this technique involves the use of domestic pumps that supply water from a source; specialized equipment can act as it.
The thermal method differs from the above in that water enters the sewer under high pressure and with a high temperature in the range from 120 to 140 ° C. The advantage of this approach is the ability to clean the system of dirt and debris, as well as fat deposits.
Conclusion
The reservoir described above acts as the final point that should be set when arranging the surface drainage system. Considering the varieties of such structures, it is necessary to highlight the receiving storm wells. They are installed where groundwater is located high. Water flows into such a well, which can then be used to water plants. The principle of operation of such a system is the accumulation of fluid and its subsequent use.