The new extension of the underground railway line U1 started operation with five new stations on 2 September 2017.

VCE had the tasks of check engineer, railway consultant (§31a und §34b) and construction coordinator for lot U1/10 (Troststrasse), check engineer and railway consultant for lot U1/8 (Alaudagasse) and designer for lot U1/13 (turnout facility Favoritenstrasse).

The construction methods comprised the whole spectrum of civil and underground engineering (earthwork, cut-and-cover method, bored piles, relocation of installations, underpinning and protective screen of buildings with jet grouting, tunnel construction with shallow excavated cross sections of up to 120m² under existing buildings).

In addition, works covered interior fitting (steel construction, glass structures, masonry) and could be successfully implemented meeting the respective deadlines.

The scope of services of VCE also comprised track design in the area of the turnout shaft Volkspark (U1/8), noise and vibration protection design of the lots U1/8 and U1/13 – U1/15, as well as traffic design in the area of the lots U1/13 – U1/15.

Client: Wiener Linien GmbH & Co KG.

Services: Check engineering, site supervision and safety on site, structural design of superstructure, structural design, traffic design.