The work consists of some blasting in the open air, pigging and small stopes in a tunnel, new water and sewage installations with a sedimentation basin in rock, two new technical buildings, four new breakdown laybys in the open air.
Complete renovation of the southbound lane, with complete new rock protection with bolts and shotcrete, new walls and roof elements, northbound lane with new wall elements with PE-foam and shotcrete in the roof, crawling lane with new concrete conduit edges as well as some PE-foam and shotcrete.
All the lanes shall also have a complete replacement of all electrical equipment including conduits and OPI channels, as well as new safety equipment.
In addition technical traffic equipment shall be delivered, such as barriers, driving lane signals, camera, portal signs, signs etc. on both sides of the tunnel.