Sanierung der Biologie der Kläranlage Roßdorf ? Los 1 Maschinentechnik, Los 3 EMSR-Technik, Los 5 Fällmitteldosierstation

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The wastewater association Rauischholzhausen-Roßdorf (member municipalities: Municipality of Ebsdorfergrund and City of Amöneburg) is rehabilitating and expanding the biological stage of the wastewater treatment plant Roßdorf: construction of two SBR reactors (each 2,280 m³, diameter 23 m), a new pump and distribution manhole, conversion of the filtrate basin into a pump feed chamber, a measurement and sampling manhole, a ferric dosing station, and complete replacement of the E&I technology. The construction lot (Lot 2 Civil engineering) has already been awarded; the wastewater treatment plant remains in operation throughout the entire construction period. This procedure concerns three specialist lots (offers for one lot or for multiple lots are possible): Lot 1 Mechanical engineering: complete mechanical equipment for the new biological stage — 2 inlet pumps (85 l/s at 15 m, dry installation), agitators, decanters, fine-bubble aeration with 2 screw blowers per reactor, pipework and fittings, magneto-inductive flow measurements, discharge control in the measuring manhole, dismantling of the installations of the Biovit reactor, sludge silo turbid water suction lines; including…

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