The Reinhalteverband Mühltal & Region Böhmerwald in Upper Austria consists of 24 municipalities, looks after around 1.000 km of sewer, 18.000 sewer shafts, 300 pumping stations, 60 storm waterbasins and 6 sewage treatment plants. Despite its size, however, the drainage system reached its limits. The individually operated storm waterbasins, for example, relieved the load rigidly into the recipient in the event of overload.
The wastewatertreatment plant (WWTP) of the wastewater association of the Korneuburg area was built in the 1980s and designed for 40,000 inhabitants. In 2016, due to the high population growth, the wastewatertreatment plant and the flood pumping station situated upstream had to be extended to 85,000 p.e. and adapted to the state of the art.
PP-Engineering, Euratsfeld; In course of the extension of the wastewater treatment plant and the adaptation to the state of the art in Twimberg, several tasks were fulfilled by the installation of the STEBATEC discharge control TF-PNA.
Precise and reliable flow measurement and limitation.
The installation of flow measurements in the inlet and outlet of the Braunau AT sewage treatment plant brings clarity to the quantitative balance. In addition, the outlet measurements were supplemented with pneumatic control flaps so that the levels in the secondary clarifiers can be kept precisely at a level of +-3cm via the underwater clear water outlets.
The Upper Austrian Reinhalteverband Mühltal & Region Böhmerwald comprises 24 municipalities and manages about 1,000 km of sewer, 18,000 sewer shafts, 300 pumping stations, 60 storm water basins and 5 sewage treatment plants. One of the storm water basins, the Erletbasin near Ulrichsberg, consists of two storagepipes each 30 m long and 2,000 mm in diameter.The pipes store the rainwater and retain it beforeit enters the main sewer towards the Ulrichsberg sewage treatment plant.
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