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    Inspection of private sewers

    The inspection obligation is imposed by the General Water Regulations.
    These regulations contain clear directives regarding drinking water supplies and the provision of separate drainage systems for wastewater and rainwater in Flanders.

    Since 1st July 2011, and irrespective of the request for planning permission, private water drainage systems must be inspected in the following cases:

    – When a house is put into use for the first time (for new buildings).
    – If there are any major changes (in the case of renovation works).
    – If there are any regulatory infringements.
    – If a private sanitation-sewerage system that is separate from the public one is installed, and rainwater must be kept separate from wastewater on private property.

    Why?

    – To ensure the correct separation of private wastewater and rainwater circuits.
    – For the correct connection of sanitary ware (bathtub, toilet…) to the sewage system.
    – For the provision of elements such as a rainwater tank or a septic tank with an infiltration device (if needed).
    – For draining rainwater from paved surfaces.

    When?

    The inspection can only be carried out once the sewerage system has been fully installed from the (future) sanitary ware to the connection boxes. If the pipes are visible to the naked eye, the survey will be easier.

    Procedure

    To ensure a smooth inspection and to rule out the need for a second inspections it is important to make sure that the following are available:

    – as-built sewerage system plan
    – list of components
    – granted planning permit
    – list of regional rainwater planning regulations
    – construction project approval
    – photographs of the sewerage system components and connections
    – technical data sheets and invoices for materials and equipment used, for example the rainwater tank, infiltration system, etc.)
    – installation of rainwater harvesting pumps (or purchase invoice)
    – all manholes and covers must be visible and preferably these should be open or easy to open.

    If the installation has been carried out correctly, the inspector will deliver a certificate of conformity, which will allow the connection to the public sewerage and drainage network to be carried out. If the installation has not been carried out correctly, a certificate of non-conformity will be issued, outlining any deficiencies that have been observed. Once these items have been rectified, a new inspection shall be performed.

    The Dirk De Groof Group is a Vlario and AquaFlanders certified inspection body, which carries out inspections for Administration, sewerage operators, project developers, building owners and private individuals.

    AquaFlanders inspection organisation

    – AquaFlanders is responsible for inspection processes.

    – Are you unsatisfied with an inspection by an inspector (approved by AquaFlanders)? If so, why not talk to us, and if you do not reach an agreement, you can file a complaint on the AquaFlanders website (www.aquaflanders.be/suggestie-of-vraag).

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      Groep Dirk De Groof

      Mechelbaan 657 – 2580 Putte
      T. 015 23 57 67

      E. Clauslaan 66/103 – 9800 Deinze
      T. 09 311 88 18

      info@dirkdegroof.be

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