Permanently tight rainwater house connections made of PP pipes (KG 2000) in Osnabrück, Germany

Since January of this year, the network company of Osnabrücker Stadtwerke AG, as SWO-Netz GmbH, has been renewing the wastewater and stormwater sewers in Scharnhorststraße. The old pipelines date back to 1915 and were correspondingly deteriorated. Furthermore, the dimension of the storm sewer was no longer sufficient for a planned change of the gradient in…