Make rainwater manhole out of concrete

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As far as a rainwater shaft is concerned, this is really a sensible system, because it can reduce the cost of water. The rainwater is collected and can be used for watering, for example. If you want to go one better, you can even flush the toilet through the rainwater shaft. The most important building material for the shaft is concrete. Because you can also make them yourself, and buying them is often quite expensive.

How to build a concrete rainwater manhole

Rainwater shafts are ideal for covering the water requirements for gardens. You don't need a lot of space and it is therefore perfect for small plots as well. As far as the costs are concerned, these can easily amount to a good 1000 euros, depending on the size, but it is worth it and the costs will soon be worthwhile. Anyone can build a rainwater shaft, although it can be quite exhausting and exhausting. When you have got all the materials, you can go with the building kick off.

  1. First, dig a hole, use a shovel and spade. As for the depth, it should be at least 2 meters. The diameter should not be less than 1.50 m.
  2. Once the hole has been dug, insert the iron at the bottom and pour it out with the mixed concrete. The so-called floor slab is now created from this. Now let the base plate dry well.
  3. Now take the curbs and make a wall along the walls that must be tightly sealed, so the grouting is A & 0.
  4. But before you get to the top, the pipes must be laid so that the inflow of water is secured. As far as the inlets are concerned, you can now decide for yourself how many pipes you want to lay. Take the concrete and pour the pipes in.
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  5. Then take the liner (pond liner) and cover the rainwater shaft with it, so that you prevent the water from seeping away later.
  6. You can now use the boards to make a cover for the shaft, because if this is not covered, it could become a dangerous trap for people and animals. The lid must close well and should always be closed.

How to connect the rainwater shaft

  1. Now connect the water pipes to the gutter so that the water can also flow into the rainwater shaft.
  2. Before you connect the Rohere to each other, filters must be installed between the supply lines so that the coarsest dirt can be filtered out. And then you can wait for the next rain to test whether your shaft is tight. However, this should be ensured if you have poured everything well with concrete and the foil is well laid out.
  3. So that the water can run in properly from the gutter, you have to pay attention to the slope and that should be at least one centimeter per meter.
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