Ersatzerneuerung Fernleitung Ursprung BA I

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N-ERGIE Aktiengesellschaft Nürnberg supplies the city of Nuremberg with drinking water. With a daily output of around 13,000 m³, the intake areas of Krämersweiher and Ursprung contribute approximately 12% of Nuremberg’s drinking water demand. Since the commissioning of the Ursprung intake in 1885, the water has been conveyed via the long-distance pipeline Ursprung (FLU) over a length of around 13.6 km to the Schmausenbuck elevated reservoir. Due to the difference in elevation between the intake and the Schmausenbuck elevated reservoir, the water is discharged partly without the use of pumps. Joint pipe material made of grey cast iron with an internal clearance diameter of 550 mm were installed in lengths of 5 m and 6 m. The long-distance pipeline runs mainly through forest areas assigned to the Reichswald Nürnberg. Exceptions are the crossings of motorway A3 and A9. Here there are tunnel structures beneath the motorways in which the pipelines are laid. As part of damage to the pipeline caused earlier, defective pipe sections were removed and replaced with new pipe sections (e.g., steel, cement-lined on the inside, PE-coated on the outside). In recent times, the FLU has…

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