The device of a water supply well on a site of concrete rings is one of the most popular ways to create an autonomous water supply in a private house. Such structures are inexpensive and easy to use. If you wish, you can build a structure of this type yourself.
Standards and Requirements
When choosing a place for the construction and installation of a hydraulic structure, it is required to strictly adhere to the rules of SNiP 2.04.02-84. Along them, the distance from the well shaft should not be less:
- five meters - to the foundation of the house;
- four meters - to buildings for animals and garden trees;
- meter - to shrubs and garden beds;
- meter - to any outbuildings on the territory.
Septic tanks or cesspools are located at a distance of at least 50 meters from the intake structure. At the same time, treatment facilities cannot be located higher in relief than water wells.
According to building codes, the well shaft must be covered with a lid. This is necessary to prevent the contamination of water in the structure by precipitation, as well as to ensure the safety of children and animals.
In order to avoid the penetration of surface water, the water intake device is mounted so that its top rises on the earth's surface by at least 0.5 m.
Materials and tools
When constructing a home well for drinking water from concrete rings, it is easier to use the services of professionals, but you can build a hydraulic structure yourself. However, you have to work hard, since reinforced concrete products are quite heavy. You need to collect tools:
- level;
- roulette;
- winch;
- shovels;
- buckets;
- a trowel.
For the work, you will need the concrete rings themselves, waterproofing and sealing building materials. It is rational to make a well for drinking water from elements with a cross section of up to 100 cm and a height of 25–50 cm. To lower or turn a larger element will require the use of special equipment. To facilitate work on the pit, a tripod is placed. With its help, it is more convenient to remove soil and lower reinforced concrete elements.
Installation of a well device
The construction of a structure can be done in two ways. The first of them is with the installation of the rings in turn. It will require a shovel with a short handle - otherwise it is impossible to work inside a rather narrow circle. The essence of the method is that the rings will sink into the hole as it is dug up.
Installation steps:
- Dig a hole with a diameter slightly larger than the selected rings to a depth of about half a meter.
- Install the first reinforced concrete element there. It is important that he stands exactly in the center of the shaft, without resting on the walls.
- Continue to dig inside the concrete product.
- Install the second ring when the top edge of the first is level with the ground. Fasten the elements with staples.
- Repeat this process until water begins to seep through the bottom of the shaft. Continue to remove soil by pumping out the accumulating water with a pump.
- Finish digging when you get to the first layer of water. Continue pumping water to flatten the bottom and create a bottom filter, if necessary.
It sometimes happens that the ring element does not fall. The reason is simple - it is on a slope. You can fix this by putting a shield on top and throwing stones or bags of soil on the side you want to lower. When the ring begins to deepen, the load is removed.
There is another method, when the rings are alternately placed in a shaft completely dug up to the water horizon. But this is not possible on all types of land: there is a possibility of a sudden collapse of the mine even before laying. In addition, it is difficult to do it manually. As a rule, the rings are lowered into the pit with a crane, set one on top of the other end-to-end and secured with steel brackets.
Well shaft waterproofing
Insulation is carried out from inside and outside during construction. An external one is needed to prevent dirty top water from entering the well. For this purpose, they create a so-called clay castle. The upper rings are dug in a trench about half a meter wide and 150-200 cm deep. Clay is poured into it and tamped tightly. It turns out a clay slope from a well for draining sediments.
Internal will help to avoid depressurization of the mine. All inter-ring seams are coated with a special compound. When sealing them, do not forget about cracks and depressions, since they quickly collapse under the influence of water, which will lead to depressurization of the well.
The use of bituminous solutions is prohibited, as they can adversely affect the taste of the liquid.
The construction of the structure is being completed by concreting the site around the mine, assembling and decorating the head, assembling pumping equipment and filters. To create a head, the last ring should protrude 0.6–0.8 m above the soil level.
If you follow the technological process of arranging a water well, the result will be a durable and easy-to-use source of clean drinking water without serious costs.