Sewage disposal has always been a major concern for humanity. Although sewerage was known to ancient civilizations, the systems they developed were still very primitive.

The development was followed by a major decline in the Middle Ages, when city dwellers completely disregarded basic hygiene standards. The contents of chamber pots were either poured into the moat or, in worse cases, onto the pavement. As a result, devastating epidemics were common, sweeping across the continent. Despite smaller, local measures, these did not bring the expected results.

The need to build a modern sewer network is due to the risk of pathogens settling in wastewater and regular epidemics. connection was brought to life by the mapping of the sewer system. In the 19th century, it became increasingly clear that sewage disposal would not only eliminate odors but could also significantly improve public health. In addition, the influx of people into cities due to the Industrial Revolution made the problem even more urgent. Although sewerage networks began to be built around the world in the 20th century, there are still areas that are waiting to be connected.

Modern sewers, like their thousands of years old predecessors, rely on gravity to carry wastewater away from the residential environment through pipes that provide the appropriate slope. Therefore, one of the most important pillars of design is determining the ideal slope angle.

In this post, we briefly explain its significance and also present the damage that poorly defined values can cause.

What are the rules regarding slope angle?

There are predefined rules for designing the slope angle, which are contained in the Hungarian National Standards List. The regulations allow a slope angle between 3 and 5 thousandths, so for a 10-meter-long section, this means a difference of 3-5 cm. In this list, professionals can get a precise description of the recommended pipe material and diameter size.

Why is it important to set the slope angle accurately?

An improper slope angle can lead to blockages. If the angle is too high, the water simply flows through the drain, but does not carry the dirt with it. These later accumulate and cause significant blockages in the system.

A low slope angle creates similar problems, as without an ideal speed, the water is unable to transport various materials. The wrong slope angle will definitely cause blockages in the sewer.

How can the blockage be removed?

Only the existing blockage can be removed. specialist can effectively remove it. The best tool for this is sewer cleaner machine that uses up to 300 bar of pressure to remove dirt from pipes. In addition to cleaning, blockage Technical tools are also required to explore the location. The most commonly used method is camera reconnaissance.

Besides the slope angle, what pitfalls can arise during construction?

In addition to adjusting the slope angle, channel There are many factors to consider when implementing a project. The most important of these are:

• Instead of right angle elbows, blockage Soft curves are more useful in terms of preventing blockages. This is because 90-degree sections are more likely to trap debris that can cause blockages.

• The rubber rings responsible for the fit must be placed precisely, as the protruding parts here and there can trap dirt.

• The quality of the soil surrounding the canal must be taken into account. In soft, sandy soil, the system can sink quickly.

• Inspecting the vegetation is also very important. When installing, it is necessary to assess the location of trees and bushes in the vicinity of the canal, as the growing roots can cause serious damage to the pipes.

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