Common errors when creating sewer systems.
Quite often, the cause of emergency situations is not the load of the sewer system, and significant design defects. The most common includes a small bias of pipes and the presence of unnecessary bends. It will significantly reduce the flow rate of wastewater even one turn to 90 degrees, And if there are several of them in the system, The transportation of drains will be insufficient in volume, which will lead to frequent suckers of the entire system. If necessary, change the direction of sewer communications to 90 degrees used more than one knee, And two, The bending angle of which is 135 degrees.
Correct selection of sewer pipes
The condition and size of the pipes also plays an important role in ensuring excellent functionality of the sewer system. First of all, you should pay attention to their size. When laying the sewage system, pipes of various diameters are used, But you always need to take into account the length of the system. If it is significant enough, then the most optimal option would be to use communications with a diameter of 100mm.
It is also necessary to control the design of such a nuance as combining in one pipe of drains of different types, for example, fat and fecal. With this approach, blockage is inevitable because, that the contact of the fat content of kitchen wastewater with cold water will constantly occur, which will lead to the settlement of fat on the walls of the pipe and, accordingly, periodic suction.
The power of sewer systems
When placing commercial or public institutions in buildings, already having existing sewer systems, Emergency situations arise due to the inconsistency of the existing operational power of communications. In most cases, the pipes of such buildings have significant wear and simply cannot cope with the volume of sewage. Also quite natural, that when designing a residential building, the sewer system was calculated on some operating conditions, And when changing the functional purpose of the building, she has to work in a completely different mode, And quite natural, that with such significant loads, the system is subject to rapid wear.
Anyway, When changing the functional purpose of any premises during the overhaul, it is necessary to primarily conduct the correct calculation of the performance of the communications communications. This approach will create an optimally functioning system.
The correct bias of the pipes
The slope of the sewer pipes is another of the causes of emergency situations. If it is insufficient, then the system cannot self -clean up, the result of which will be again constant blockages. How too big, so too small a slope is inappropriate in any case. But in the first version, the functionality of the system such parameters affect the minimum, more for operational characteristics. When the sewer system is operating with a large bias of pipes, a significant noise will constantly arise, which can cause discomfort for the inhabitants of the house, or employees of commercial and public structures.
The second option is more unpleasant. Due to the insufficient speed of the wastewater movement, their fraction will settle on the walls, which will lead to a constant reduction in the size of the pipe and, accordingly, insufficient functionality of the wastewater transportation system in general. Therefore, when designing communications, they adhere to the optimal slope option, which is 2%.
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