S6 Semmering express road General refurbishment of Niklasdorf Tunnel

S6 Semmering express road General refurbishment of Niklasdorf Tunnel

Excerpt

Site supervision and coordination for the general refurbishment of the Niklasdorf Tunnel and approaches during the procurement, construction and warranty phases.

The main refurbishment measures include:
– General repairs to the tunnel and associated exterior structures (control buildings, watercourse protection structures, pipework, road signs)
– Repais to approach roads in the open-air (carriageway, drainage, noise barriers) and a bridge over the Waltenbach valley
– Replacement of operational and safety equipment in the tunnel and approaches