The problem of drinking and industrial water in a summer cottage can often be quite acute. One of the ways to solve it can be called the device of wells. They are artesian and arranged in the sand. The second type may well be used as a temporary source of water. A well in the sand has not too great depth (15–35 m) and productivity. Drill it to the sand layer through which water flows. Water quality will be slightly worse than in artesian wells. The service life is also not too long - 3–7 years.
A well in the sand has a not too large supply of water - only about 500 liters. For comparison: up to 1200 liters are collected in the well. However, the water quality in such a well is somewhat better compared to a well, since the sandy aquifer is protected from clay penetrating external water. In addition, the feasibility of its device is often determined by the absence of the need for special permission. So, how do you arrange such a well?
First of all, it is necessary to take into account the fact that if the water is at a depth greater than 35 meters, auger drilling is not possible. A well in the sand cannot be drilled if there is a rock formation on the equipment path.
The risk of wasting money while drilling this type of well is great enough. There may be too little water in the sand or no water at all.
The design of such a well consists of a casing string, a surface or submersible pump, a head and a pipeline. A sand well, reviews of which in most cases are positive for both summer residents and rural residents, must be equipped with a filter at the bottom of the pipe. It will prevent sand from entering the water. This filter will subsequently have to be cleaned periodically.
The pipeline for supplying water to the house will need to be laid below the depth of freezing of the soil. A hole is made in the casing to connect it. From above, the well is closed with a head. Usually this is just a lid with a latch and a seal. A surface conventional pump can only be used when the depth of the well does not exceed 8 meters. Otherwise, the deep one is used.
The durability of the well directly depends on the quality of the filter. You need to immediately install a good one. In the event that it fails, the well in the sand will not be repaired. Have to drill a new one. It is best to use mesh, since such models are produced only industrially, and therefore are of high quality. It is a device consisting of a frame and a wire mesh stretched in it. The size of the sand fractions that the filter will hold back depends on the size of the cells. In this regard, it is worth consulting with a specialist.
In order to extend the service life of the filter, an additional gravel coating should be arranged. She will hold up the sand. A special sedimentation tank is mounted below to collect sediment. Thus, a well can be created on the sand with your own hands. The pump is selected, based primarily on its diameter and water quality, as well as its volume.