When laying external sewerage, one of the important aspects is the depth of the sewerage .
The SNiPs contain the minimum and maximum parameters of this indicator. There are differences in pipe-laying methods and other parameters. In this article, we will consider options for the depth of the sewer laying.
Recommendations on sanitary standards when arranging sewage:
A normal wastewater drainage network is a project that does not cost a lot of money and that the sewage system works without interruptions.
But still, the depth of the sewerage network may differ from the recommendations of SNiPs, this is due to the peculiarities of the soil in different localities.
For example, the conditions for the construction of the sewerage network in Krasnodar will significantly differ from the conditions for the construction of the sewerage network in Vladivostok.
There are many things to consider when creating a quality sewage system. The SNiP rules indicate not only numbers, but also information that allows the laying of sewer pipes at the optimal depth for each region and area.
The depth of laying the sewer pipes depends on the following parameters:
Many are sure that for the reliable functioning of the sewer it is necessary to bury the sewer pipes much deeper.
However, this opinion is erroneous, because:
The above problems are not needed, for this reason it is necessary to act reasonably and rely on the minimum depth of the sewer system laid down in the SNiP.
At the outlet, sewage drains have a rather high temperature and therefore they do not freeze even in the cold, due to this they do not freeze on the way to the drain pit or collector.Therefore, it is possible to reduce the pipe laying depth if the distance from the outlet to the pit or collector is not large.
For drainage of household waste, pipes with a cross section of 500 mm are used and they are laid at a depth of three hundred millimeters from the ground. But if the sewer pipes have a larger cross section, then they are laid to a depth of at least five hundred millimeters.
The minimum depth of the sewerage (SNiP 02.04.03-85) depends on what type of loads will affect the surface of the soil in the place where the sewer will be laid.
If the loads on the ground are high, then the sewer pipes should be laid 900 mm in the ground. There are situations when it is necessary to reduce the minimum laying depth of sewer pipes, for example:
For wet soils and for soils with rock particles, the SNiP contains recommendations on laying sewer pipes to a maximum depth of not more than 4 meters.
For dry land it is recommended to lay pipes to a depth of 5 to 8 meters.
In the event , if the project standards need to be exceeded, the sewer pipes are placed in reinforced concrete trays, so they are able to withstand a heavy load and thereby protect the pipes from damage.
Professional workers recommend purchasing pipes made of rigid material, in the event that they will be laid under the carriageway or at great depths. For such purposes, polyethylene double-layer corrugated pipes are suitable.
So, if all conditions are met, including climatic ones, if high-quality and correct materials are selected, the sewer system will last a long time, without freezing and various types of breakdowns.
Better, of course, to turn to trusted professionals, because they will be able to efficiently perform all the work on the arrangement of the sewer system. We hope our article was pretty informative.
We wish you luck and patience!
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