Do-it-yourself storm sewer in a private house can be equipped with every home foreman. This system is designed to effectively drain meltwater and precipitation. On the roof of the house, whose area is 200 square meters, approximately 100 cubic meters of water falls during the year. On the site, this volume is even greater. Puddles can cause some inconvenience, but it can be called a trifle, if we compare with what trouble brings the accumulation of a large amount of liquid.
The need for arrangement
Do-it-yourself storm water drainage in a private house, the construction of which is described below, prevents water from absorbing soil, which could cause irreparable harm to the house, for example, to affect the subsidence of the foundation. If water will accumulate in large quantities on the site, this will destroy the landscape design, as plants can die on wet soil.
Planning
If you will be installing a storm sewer in a private house with your own hands, then you will need to design this system, which consists of filters, trays and pipes installed under a slope towards the sewer. Through the gutters, the liquid will drain from the roof, entering the drainpipes, and then into the collector. Outlets can be laid underground or on the surface. Water can be collected in two ways: by a point water intake or linear.
In order to divert water from the roof, point collectors are most often used, which consist of plastic funnels connected by underground drainage pipes. The system is equipped with filters that clean it of leaves, grass and other debris. When designing, it is important to consider that the installation of the underground part of the sewage system should be carried out at a level where the soil does not freeze. If this is not possible, the pipes should be insulated, for which expanded polystyrene is most often used. Due to the presence of thermal insulation, the depth of the trench can be reduced to 60 centimeters. When determining the diameter of the pipes, it is necessary to take into account the annual rate of precipitation in the territory and the area of the site. Most often, specialists use pipes whose diameter is 110 millimeters. If the sewage system will take place in places where heaving soil prevails, you can equip a sand cushion for collectors. This will eliminate soil subsidence.
When backfilling, it is necessary to carry out layer-by-layer compaction of the soil, while the angle of inclination of the sewage pipes should be 1 centimeter per meter of the pipeline. When installing a storm sewer in a private house with your own hands, do not connect the pipes at right angles, as this can cause clogging of the sewer and the accumulation of garbage.
Design: determining the depth of the bookmark channels
During installation, channels, pipes and trays are stacked at a depth recommended for a specific region. The exact value should be clarified by contacting the construction organization. Thus, in the middle lane, the drainage of rainwater falls to a depth of 0.3 meters, this applies to the case when the diameter of the pipeline does not exceed 50 centimeters, this parameter also applies to open trays. When choosing pipes and trays with larger dimensions, deepening should be carried out by 0.7 meters. If you yourself will be installing a storm sewer in a private house with your own hands, it is important to consider one important point, which is to lay the system above the drainage, if the latter is available on the site.
Exact bias rates
If you purchased pipes with a diameter of 150 millimeters, then the slope should be 0.008 millimeters per meter. When increasing the cross section to 200 millimeters, the slope should be 0.007 millimeters. Depending on the conditions of the territory, the slope of the pipes may vary. The maximum slope is 0.02 mm, as for the zones of the connection of the channels and the receiver. This is due to the fact that in this place an increase in the speed of gravity of the liquid is required.
Before the sand traps, the flow rate must be slowed down so that the suspended particles settle. Therefore, the angle of inclination in these places should be the smallest. Each home master can be equipped with a storm sewer in a private house with his own hands. Planning can be done independently. At this stage, it is important to consider that fluid collection devices in envelope-type systems should be mounted at the intersection of the slopes. In this case, we are talking about designs that are equipped with storm water inlets-funnels.
Installation
Stacking can be compared with the installation of external sewer piping systems. But if the house is not equipped with drains, you should start working with their device. In the ceilings, it is necessary to make holes for storm water inlets, and after installation and their fixation on bitumen mastic, the junction points are well sealed. At the next stage, the master can proceed with the installation of drains and sewers. Each element is attached to the structure using clamps. Next, trays are installed, if it is a linear system, or by-pass pipes, if it was decided to implement a point scheme.
Underground work
Do-it-yourself storm water drainage in a private house, the slope of which was mentioned above, at the next stage is equipped taking into account the norms in a particular region. According to the calculations, it is necessary to dig a trench, and if the pipeline is insulated, then a shell of geotextiles and crushed stone is formed around it. You can lay a pillow out of sand by tamping the bottom well. Large stones must be removed, the formed pits - to fill up with soil. The standard thickness of the sand cushion should be 20 centimeters.
A foundation pit is formed to install a collector tank, and a plastic container can be used as a collector. If you wish, you can do the collector well with your own hands, pour concrete into the well-equipped formwork. Next, pipes are laid.
Specialist recommendations
Do-it-yourself storm water drainage in a private house, the construction of which can be completed in several stages, should contain inspection wells if the straight branches are more than 10 meters long. Sanding traps must be installed at the points where the pipelines and manifolds join. Devices and devices are connected in a single circuit, the docking points are well sealed.
Final work
For the reason that the cost of work by specialists is quite high, do-it-yourself storm sewers in a private house are installed by home masters. You should carry out the tests at the final stage, this will make it possible to understand whether there are any weak spots in the system. Before backfilling, tests are carried out by pouring water into water inlets. Then the system is filled with soil, and pallets, trays and gutters are equipped with gratings. If your house has a pitched roofing system, which does not have drains on all sides, you should install gutters with gratings in the required places, including these elements in a common network. The stormwater of a country house can be included in its own sewer, as there are no dangerous components that need to be cleaned.
Conclusion
You will be able to save money if you install a storm sewer in a private house with your own hands. The construction of systems of this type should not provide for integration with drainage. In this case, the designs will work inefficiently. The stormwater must function separately, if it overflows, then this can cause the basement to be washed away, which will lead to devastating consequences. In order to ensure the correct slope, use a tracing cable. Do-it-yourself storm sewer in a private house, the arrangement rules for which are described in the article, will be mounted in several stages, one of which involves fixing the trays, which can be done with cement mortar.