At the end of 2022, Landustrie received the order from the City of Warburg (Germany) to refurbish and renovate the existing intermediate pumping stations at both STP Warburg and Daseburg. For the screw pump station of Warburg, Landustrie supplied and installed three new Landy screw pumps with a compact self-supporting trough, complete with drive units. These screw pumps transport the activated sludge from the three secondary clarifier tanks. In addition, the intermediate pumping station at STP Daseburg has been renewed with two Landy enclosed screw pumps, also with a compact tube trough, fully self-supporting. During commissioning of the screw pumps, the pumping stations had to remain operational. This meant, only a time window of approx. 8 hours in a dry weather period, was available for our team of mechanics.