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Roediger Vacuum Sewer System Eicher See, Germany

Aqseptence Group installed a Roediger Vacuum Sewer System with flood-proof collection chambers.

Challenge

The residential area at the Eicher See with approximately 670 buildings was not equipped with any fresh water supply and any sewage system before 1997. Due to the growing number of residents a new sewage collection system was strongly required.
Because the village is situated in a flooding area along the Rhine River, it was necessary to have a sewer system that functions until a high water level of 5 m, in order to prevent any wastewater overflowing and any groundwater contamination.

Solution

Aqseptence Group installed a Roediger Vacuum Sewer System with flood-proof collection chambers. The vacuum sewer system is constantly under negative pressure and it is sealed from the atmosphere. Negative pressure means that the pipes are always empty. As soon as a determined amount of wastewater enters the collection sump at the collection chamber the valve opens and the wastewater travels through the pipe to the vacuum station, thereby eliminating the risk of exfiltration. In addition, air in the pipes moving at high velocity prevents sedimentation and water fouling.

Key Features

Another challenge was the varying flow rates. Eicher See is a seasonal area and flow rates during summer months and on weekends are significantly higher: the risk of a large variation in flow rates is that wastewater in gravity pipes may foul.

Technical Data

House Connections: 668 collection chambers
Valve Units: 50 mm / 2 in Roediger Membrane Valves
Commissioned: 1997

Locations and Contact

Europe

Aqseptence Group GmbH, Hanau

Sales and Manufacturing Location
Kinzigheimer Weg 104
63450 Hanau
Germany

Tel: +49 6181 309 274

Fax: +49 6181 309 277

info.roediger@aqseptence.com

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