Cell GmbH & Elektrotechnik Mitterwallner

Well monitoring and groundwater drawdown

What's the solution about?

In the course of the new construction of the S7 Fürstenfeld motorway, Burgenland got its first tunnel. From a geological point of view, the soil of clay, silt and sand means a challenge. It is not possible to carry out blasting as is done with solid rock. Metre by metre, excavators dig into the mountain and then the tunnel is sealed with shotcrete. In addition, the groundwater must be constantly monitored and pumped out to enable the tunnel to be driven.

Using technology from Microtronics, cell GmbH and Elektrotechnik Mitterwallner have developed the self-sufficient “Fontano” well station. A well pump, a level probe and a flow sensor are installed in each of the 103 wells along the Rudersdorf tunnel. The networked control of the pumps automatically ensures that the groundwater level is lowered. All pumps and wells can be controlled remotely. In addition, the amount of water withdrawn is logged.

If a pump fails, an alarm is immediately sent by SMS and e-mail. The tunnelling team is thus immediately informed about the accident and can secure the tunnel with shotcrete. Whereas previously a pump attendant had to read all the pumps every 24 hours, the data is now transmitted wirelessly to the central web platform. This enables automated monthly billing according to expenditure.

Product features

  • Usage of IoT Plattform and rapidM2M C3
  • Self-sufficient well station consisting of well pump, level probe and flow sensor
  • Controlling the pumps remotely
  • Bidirectional data transmission via mobile radio
  • Logging and overview of all well stations on a central web platform
  • Automated sending of alerts via SMS or e-mail
  • Enabling billing models according to expenditure
  • Monthly evaluations and reports

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These components are used

Environmental Technology

Cell GmbH & Elektrotechnik Mitterwallner

Cell GmbH stands for measurement technology & remote monitoring and combines technologies from different disciplines. These include solutions for drinking water, snowmaking, hydropower and tunnel construction.

With the coordinated components, tasks ranging from battery-powered condition monitoring to cross-station remote monitoring and control systems are solved.

Elektrotechnik Mitterwallner was founded in 1982 and is an expert in the field of electrical installations, from classic domestic installations to large-scale plant and distribution constructions for industrial purposes.

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