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Civil engineering

Cautious interaction with the natural resources of water, air, and soil are becoming increasingly important. A vital instrument to preserving the precious and essential element of our existence, water, is state-of-the-art wastewater treatment plants, civil engineering, and underground and sewer construction. We offer these services to our clients with technical expertise and perfect quality.

The SONNTAG construction company and its employees have extensive experience and expertise in the construction of waste water treatment plants, pumping stations, stormwater retention tanks, and other civil engineering structures. This is supported by high-quality technical equipment and modern systems of formwork.

The turn-key construction of systems, structures in difficult soil conditions, and high quality are what characterizes our company. We offer interesting structural alternatives and special recommendations for our clients for cost-effective project handling.

Our engineering services:

  • Wastewater treatment plants
  • Pumping stations
  • Shaft construction
  • Stormwater retention tanks
  • Turnkey civil engineering
  • Bridge construction
  • Flood control
  • Cascade weirs
  • Seawall restoration

The creation of structures employing the immersed tube method is one of SONNTAG's areas of expertise.