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With new construction, is it legal for rainwater drainage from the terrace to the courtyard to have the same free fall?

Asked 4 months ago.
Active 4 months ago.
Viewed 355 times.
  • drainage
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We are buying a house that will be delivered in a couple of months. This house is new construction, next to 5 other houses with new sewer and stormwater utilities. And our surprise was that the first floor terrace drain, which is about 50 m², is built into the wall but faces the courtyard, which gives the two rooms a free fall of about 40 cm from the floor, so that the water goes into the courtyard drain. This patio, which will have to divert the water collected by the drainage system, plus the water from the terrace above, will be doomed to not be able to take advantage of this fact. My question is, can I oblige them to take this drainage out into the general drainage system of the house?

asked 4 months ago
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138Finn Bohler
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Answer

1

As far as I know, there are no rules regarding the drainage of rainwater inside the house.

However, it is important to remember that runoff and rainwater should be separated inside the house so that it drains independently to the outside.

Most importantly, a second drain or overflow should be provided in case the existing drain does not work properly.

answered 4 months ago
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11Monica Rein
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There is another drain in this yard. The scary thing is that this drain will collect water from two areas, forming a large surface area. But you already answered my question, there is nothing that would give me the power to get management to hook this drain up to the power grid
– Finn Bohler  4 months ago
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