Gleinalmtunnel Austria, the 2 portals of the western tunnel tube got fire protection for the ceiling within 3 days by TBT for SSB Sanierung Straße Brücke Bau GmbH.
Gleinalmtunnel Austria
15 februari 2019|
Referenser, Tunnelarbeten 
Gleinalmtunnel Austria, the 2 portals of the western tunnel tube got fire protection for the ceiling within 3 days by TBT for SSB Sanierung Straße Brücke Bau GmbH.