Major order for the Kerenzerberg tunnel

Devo-Tech handling equipment as service provider in the Kerenzerberg tunnel

The A3 motorway section near the Kerenzerberg tunnel has been in operation for over 30 years. In order to ensure traffic safety for the coming years and long-term operation, the Federal Roads Office FEDRO is carrying out a comprehensive repair of the tunnel section between the Weesen and Murg junctions. The work began in 2019 and will be completed in 2026.

Via Herrenknecht Formwork for the company Katzenberger (Austria), the company Devo-Tech was awarded the contract to supply a variety of handling equipment. Three segment tongs of type DML with hydraulic stop adjustment, a vacuum lifting device for type DVL segments, a turning table for type DTT segments and a type DPR segment pressing frame were ordered.


Scope of delivery

3x segment tongs DML / (1x 1-brick tongs & 2x 3-brick tongs) Payload 8`000 kg / 15`000 kg

1x vacuum lifting device DVL / payload 8`000 kg

1x segment turning table DTT / payload 8`000 kg

1x segment press frame DPR



Herrenknecht Formwork Technology GmbH

77963 Schwanau (DE)


Katzenberger GmbH

6020 Innsbruck (AUT)


Further updates will follow



  • Kerenzerbergtunnel
  • Kerenzerbergtunnel

  • Kerenzerbergtunnel

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