Rehabilitation of the biological treatment stage at the Roßdorf wastewater treatment plant – mechanical equipment, control systems and chemical dosing station

Summary

The Rauischholzhausen-Roßdorf Wastewater Association is procuring three specialist lots for the rehabilitation of the biological treatment stage at the Roßdorf wastewater treatment plant: mechanical equipment, electrical, instrumentation and control systems, and a chemical dosing station. The mechanical works include pumps, mixers, decanters, fine-bubble aeration, pipework and fittings, as well as installation, commissioning and trial operation. The control-systems works include replacement of electrical and control systems and a photovoltaic installation of approximately 25 kWp. The dosing station is for 40% iron(III) chloride solution and includes a 25 m³ tank and three dosing pumps.