Do-it-yourself septic tank for home and garden

The need to build a septic tank with your own hands for a private house may arise if your site is not equipped with canalization. The old method of sewage disposal by accumulation methods in the tank requires constant servicing, which consists in costly pumping using an ashenizator machine. The problem can be solved quite successfully by installing a septic tank, which can work without interference from outside. That the modern septic tank served "forever" requires competent calculations and installation. The concrete septic tank is more durable than plastic.

Do-it-yourself septic tank for private house

All known today septic tanks accepted classify according to the principles of their operation:

  • the cumulative method of functioning assumes the presence of a fully sealed container closed from all sides, which is dug into the ground. Drain pipes from domestic sewers do not enter, and from above there is usually a pipe or a hatch for periodic pumping of sewage;
  • septic tanks, in which there is additional groundwater treatment, in fact, are multi-room facilities. All chambers are deep-seated and are connected to each other by iridescent walls or pipes. At the same time last container is not tight. In each capacity, the water is settled, and in the last it goes to the ground in a more or less purified form of contamination;
  • Purification stations can produce very deep wastewater treatment. They are usually set in areas where it is forbidden to dump poorly clean water into the environment.

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Device homemade septic tank

The installation scheme of a septic tank with its own hands for a private house, summer house, requires an advanced determination of the place of installation. Be sure to take this into account the deep involvement of water under the ground.

Helpful advice!A septic tank is needed “lower in leakage” than with a samdom, as well as outbuildings with a well. In accordance with generally accepted sanitary standards, it is allowed to place it closer than 15 m from any open water reservoir, from the water intake well to 50 m.

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Examples of hand-made brick septic tanks

The order of work

When installing a sewage treatment plant, the following procedure is required:

  1. First, according to the above rules, we determine the place for the installation of a septic tank.
  2. At the second stage we dig the pit of the required size.
  3. Cooking deck
  4. We carry out the filled concrete solution (or we construct a septic tank from concrete rings).
  5. We make the device of internal partition.
  6. Install the septic tank.

Consider all this in stages.

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Step 1: selection and preparation of the pit, supply of sewer pipes

Ground handling

Digging of the pit - this is the initial stage of construction of any septic tank. If everything is organized and calculated correctly, then its volume may be the smallest. The main thing is to have enough space near the walls for the convenience of installing capacity. The optimal volume for a private house is considered to be the volume formed by an eight cubic wall 2х2х2 m. Some of its increase will not be able to damage efficiency, if there is the possibility of hiring earth-moving machinery.

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Step 2: Reinforcement

Formwork

After, as the required depth was completely explored, it is necessary to install a formwork, for which there is a need for a certain number: sheets of osb, timber, scraps of PVC sewer pipe.In the formwork you need to make holes, which provide a beautiful drainage of water into the ground. This is exactly what plastic kuskitrub are required for.

In osb sheets, they make round holes at a distance of 30 cm from each other. Since osb is a very flexible material with low rigidity, it should be strengthened a little. In these areas, a bar of 20 × 30 or 30 × 40 mm is attached to the perimeter of the sheet using a self-cutting tool. Vertical stiffening stalls are fixed every 50 cm. Such sheets will need to be made at least for half of all recorded.

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Step 3: Formwork Installation

In order for the prepared formwork not to fall apart due to the action of a heavy concrete mortar, you need to use some kind of railing directly in the foundation pit. Plastic sleeves made of scraps of pipes are inserted into the holes prepared for them, so that they are about 5 cm deep in the ground. Otherwise, the concrete can squeeze and squeeze through holes.

Helpful advice!Formwork is better to make collapsible, so that the boards can be moved from the wall to the walls. At the same time everything should be removed separately, as the adjacent wrenches, and the wall itself should be divided into two independent parts.

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Step 4: Concreting

Concreting septic tank

When the pre-construction of a septic tank for a private house is completed with your own hands, it is also possible to start pouring concrete solution. For this, it is best to purchase or purchase a mixer. For the preparation of liquid concrete will require:

  • sandy (2 parts);
  • fine fractional crushed stone (2 parts);
  • cement intrusions (part 1).

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Step 5: mounting metal corners

All this needs to be filled in with water and mixed thoroughly. In addition, fittings will also be needed. Thanks to these rods, cement is transformed into durable reinforced concrete. If the rods are not, then you can use any other handy metal, but not the pipes. After the first half of the pit is flooded, it will take about 2 days to repent. Then put the two sides on the other two sides and repeat the whole procedure again.

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Step 6: Laying the flat slate, fixing the vent pipe

The construction of the partition in the tank

After erection of the walls, we proceed to the division of the whole volume of the septic tank into two parts. It is important that in the first compartment there should be no holes in the walls, they must all be in the second tank. This moment needs to be taken into account even at the stage of mounting the formwork boards.

The wall can be cast from concrete or make a brick.It is necessary to divide the entire pit into two identical pits. In the first one, silt and solid impurities will settle, which are capable of very quickly hammering a gust to the ground. Another part of the capacity will be filled with relatively liquid water, which falls there through the upper wall and goes through the holes in the soil where it is filtered.

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Step 7: design of the hatches for the maintenance of the septic tank

Helpful advice!It is very important that the cross over the wall be correct. Namely, it should be 40 cm below the level of the pipe leaving the house. Here there is a minimum amount of.

How to increase the current performance and standard life of a septic tank

When the septic tank for a private house is installed with its own hands, it is not necessary to start it immediately. To the bottom of the second section was unbuilt quickly, in it using sharpened pipe sections, which are called chicks, punch holes into a depth of 2 m. They can also be drilled with a drill. The holes are closed with a whip, onto which a rubble is poured. The resulting drainage is very good drainage and prevents the grounding, which greatly increases the service life of the septic tank.

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Step 8: Concreting the septic tank with cement mortar

The presence of ventilation is considered an important factor affecting the overall performance of the septic tank. Make it easy. After all, it is enough to apply a sewer pipe, which is simply displayed on the surface. You can close the septic tank with anything you want: with a sheet of iron, a concrete slab, or you can pour concrete on your own.

To do this, make the dummy from the channel, on which stack thick boards, treated with tar. Leave a small grub in order to occasionally scavenge solid waste. The rest of the area, previously covered with a ruberoid, is poured with concrete, not forgetting to arrange reinforcement.

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Step 9: Revamping the Mine

Basic rules for using a homemade septic tank

Having established a septic tank with your own hands for a private house, you need to follow important rules for using it:

  • it is not possible to throw it into the sewage or debris;
  • do not use the sewer system in order to dispose of polymer materials, plastic bags, cigarette butts from cigarettes, and sanitary napkins. These items cannot be fully processed by aerobic forms of bacteria;
  • do not use synthetic detergents, bleach or various chemical substances in the case that cleaning in your septic tank is carried out with the help of microorganisms;
  • You can throw a tatty paper, so it is not bad dissolved introductory environment.

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Step 10: waterproofing, backfilling with earth and insulation

Proper construction and operation of the septic tank prolonged service life is very significant.

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