The renovation of a historical railway bridge calls for a spectacular assignment in Switzerland. What is so special about it? The challenges began even before a single metre was drilled for the deep foundations. Contractor Birchmeier Spezialtiefbau AG successfully uses the Liebherr drilling rig LB 36.
https://www.liebherr.com/en/deu/products/construction-machines/deep-foundation/drilling-rigs/details/lb36.html