Čadca, exploration gallery – town bypass
SO 206-07 Geological exploration gallery
Slovenská správa ciest, Bratislava
September 1998 – February 1999
Rock excavation by drilling-blasting, support by shotcrete, steel mesh reinforcement, TH reinforcement and SN or Swelex bolts.
- rock excavation and exploration gallery support, cross section profile area of 12 m2, 225.3 m