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Often the sewage rainwater intake capacity is not sufficient – part of a construction licence is then an order of necessity to keep rainwater on land. If hydrogeological conditions allow it, it is possible to leave the water to soak in which is an ecological solution.

Intake systems proposal

For a correct proposal it is essential to know the following parameters:

  • Area and type of drained land
  • Location of building
  • Subsoil type
  • Eventual height of groundwater

It is possible to download the program VSAK from web pages This program allows you to fast and easily design individual components of intake system.

When intake is not possible:

In case of unfavourable subsoil type

If the building is located in protected area of a water source (in this case an intake is prohibited by law)

Intake systems prefa brno a.s.

Prefa Brno a.s. offers concrete intake reservoirs DN 1000 – DN 2500.

Example of an intake system for a detached house:

1x ring PNK-Q.1 200/175 SKP

Covering slab PNK-Q.1 200/20 ZDP

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Prefa Brno a.s.  |  Kulkova 10  |  615 00 Brno  Czech Republic  |  phone: +420 541 583 111  |  fax: +420 541 583 833  |  e–mail:

INFOLINE +420 800 260 003
At our Infoline we will answer all your questions.

© 2016 Prefa Brno a.s.  |  implementation and design: VERTIGO.CZ