Secure energy networks for the energy transition

Energy Grids

Pipeline-based infrastructure for all media

In our Energy Networks business area, we offer our customers comprehensive solutions for the construction of pipelines for the transport of natural gas, hydrogen, district heating and water as well as the construction of underground power cables.

In addition to the engineering of pipeline or power cable networks, we cover the entire range of services for the construction of the energy networks of the future, from pipeline to pipeline construction, wastewater engineering to buried power cable construction.

Pipeline construction

  • Pipeline works up to DN 1400
  • Complex manual and automatic welding processes
  • Weld seam coating
  • Culvert laying
  • Special laying procedures
  • LWL and cable protection pipe laying
  • Recultivation work
  • KKS systems (cathodic corrosion protection)
  • Non-destructive testing
  • Pipeline drying and inspection
  • Comprehensive documentation

Pipeline construction

  • Underground pipeline construction
  • Overhead line laying
  • Pressure and gravity pipelines
  • Nominal diameter up to DN 3200
  • Pressure ratings up to 3,000 bar
  • Steel, stainless steel and cast iron
  • PE, PVC, GFK, CFK and composite materials
  • Stoneware, concrete and prestressed concrete
  • Materials for special applications
  • Safety and control systems

Power cable construction

  • Cable line construction up to high and extra high voltage level (up to 525 kV)
  • Complex HDD drilling (horizontal & directional drilling)
  • Cable pulling, handling and installation
  • Landings of offshore wind farms
  • Protective pipe systems PE, PE HT, PP
  • Sheet piling, deep foundations, pile driving, pressing, etc.
  • Installation of liquid soil according to RAL 507
  • Connection & control points
  • Recultivation works
  • 24/7 on-call and breakdown service

Water Management

  • Water and sewage pumping stations
  • Sewage treatment plant construction
  • Small wastewater treatment plants
  • Infiltration plants
  • Vacuum drainage
  • Drainage works
  • Leak test of sewers
  • Sewer construction and renewal