Austria – Assembly and erection of prefabricated structures – (ProVia-ID 157159) Semmering-Basistunnel; SBT4.5 Querschlagwände

In essence, the services to be provided are the "delivery and installation of emergency doors at all 56 cross passages in both tunnels, system QSWM, emergency doors at the 9 escape tunnels per tunnel in the area of the emergency stop, usually system QSWM, as well as various emergency doors to be installed directly, the emergency door in the Mürzzuschlag basin, tunnel door distributor of the emergency doors incl. door control to be delivered and installed incl. commissioning E0 – E2 of pressure/ suction-loaded doors and special gates in the emergency stop (fire department accesses, logistics passage, cross caverns, etc.) incl. connections and commissioning of the associated sensors."