Proper operation of the sewage system is essential in every household, but also in public places. However, it is worth remembering that there are factors that affect the patency of the sewage system. Pollution can be retained or even sewage can spill. It is worth learning more about this.
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Poorly designed slope of the sewage system
There are many factors that can affect the patency of sewage pipes. Unfortunately, some of them can cause contaminants, including all sewage and waste, to spill out and give off a really unpleasant smell. To ensure the free flow of water, a properly designed slope of the sewage system is necessary.
It is worth knowing that when the slopes are too small, there is no gravitational flow of sewage. Then feces, fats accumulate and blockages are created. After some time, the flow stops completely. Therefore, it is worth remembering that the slope should be from 2 to 15%. Also, too large a slope is harmful, as it leads to the occurrence of excessive noise, which comes from the rapid flow. Of course, we must mention that the approaches to the risers should be connected at an angle of at least 45 degrees, while changes in the direction of sewage should be gentle, with a maximum angle of 90 degrees. The installations are attached to the building partitions.
It is also necessary to take into account the compensation of elongations, even due to the increase in temperature. Otherwise, the pipes could be deformed and mechanically damaged. In turn, vertical pipes are fixed rigidly and this is where they pass through the ceilings, while between the ceilings they are attached to the wall using clamps. Remember that one-meter spacing should be used.
Infrequent cleaning and unclogging of drains
Each sewage pipe should be of the highest quality, i.e. have the appropriate certificates and durability. PVC models with a K-U21 seal work very well. Do not forget that materials should be selected according to the application. Internal sewage requires the use of appropriate pipes. White sanitary pipes will work well. You can choose pipes made of polyethylene or polyvinyl chloride. External sewage requires the use of even more durable materials.
In addition, an inlet with a light liquid closure is necessary. The patency of the pipes also depends on the correct selection of their diameter. At the same time, in order for sewage to be properly drained, it is necessary to regularly clean or unclog the sewage system. The frequency of sewage cleaning obviously depends on many factors and the intensity of use, but according to the applicable regulations, regular cleaning should be performed at least once every 5 years.
Aeration of pipes can lead to blockages and waste retention. Therefore, water pipes in the sewage system must undergo mandatory inspections, whereby it is necessary to check not only their tightness, but also remember how important it is to vent the entire sewage treatment plant, which includes all sewage pipes. Effective unblocking allows you to keep the sewage system in really good condition and for many years.
Inadequate execution of the hydraulic installation
A sewage treatment plant should work properly. This applies to every building or public place. However, incorrect installation of pipes means that water and sewage are not properly drained, and in fact, they are pumped in the pipes. Most often, pipes are connected by sockets, using a so-called rubber lip seal.
If the installer does not leave a 5 to 10 mm gap at the end of the socket, there will be no natural compensation for the expansions caused by the flowing impurities. In addition, it is necessary to know that the connected sections of sewage pipes should be properly cut at right angles to the axis of the pipe. Incorrectly connected connections also affect the operation of the entire water supply system. When using sewage pipes and a connection length of 3 m, it is usually not necessary to use an inspection.