Inspection shaft for wastewater - plastics or concrete?


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Inspection shaft for wastewater - plastic or concrete?

A inspection shaft is part of the property drainage system. It is used to inspect and clean pipelines and ensure trouble-free maintenance and repair of property drainage.
Plastic or concrete
Can be used for the construction of a revision shaft both concrete and plastic. Fortunately, there is no binding rule when selecting the material. Here you should simply pay attention to the respective product standardization of the German Institute for Standardization (DIN). These advantages and disadvantages are evident in both materials: In the case of concrete shafts, for example, the distribution of quality should be slightly lower. But also at
Plastic manholes have better and worse models. Pure polyethylene (PE-HD) is used for the production
or polypropylene (KG 2000). In general, thermoplastics have the advantages that they are flexible and significantly lighter than concrete. These two points may prove advantageous or disadvantageous depending on the installation situation. In terms of tightness plastic should be ahead. Concrete is better in terms of ability to repair or change later. When selecting the material, the clarification with the sewer manufacturer or the responsible sewer network operator is definitely recommended.
costs
As far as the costs for a inspection shaft are concerned, only an approximate statement can be made. This depends heavily on the depth and size of the structure. The cost range can be estimated from around 500 to 1,500 euros.
New RAL quality mark for property drainage
A central point in the installation of control, entry or inspection shafts is quality assurance. Several associations have worked on the new RAL quality mark for the area of ​​land drainage (RAL-GZ 968). The German Association for Water, Wastewater and Waste (DWA), the Güteschutz Kanalbau, the Zentralverband Sanitär, Heizung, Klima (ZVSHK), the Gesellschaft zur Förderung der Abwassertechnik eV (GFA) and the Monitoring Association for Technical Facilities of the SHK have taken part in it -Handwerke eV (ÜWG-SHK). The aim of the new quality assurance of land drainage is to improve the environmental compatibility of sewage systems for site drainage. This is to counteract the pollution of groundwater, water and soil. Further information about the drainage of the land, the RAL quality assurance as well as a citizen information for free download are available atGEA.DWA.de.

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