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Tauern Motorway A10 Brentenberg – Site Supervision

A10 Tauern motorway Brentenberg, new gallery construction and general refurbishment

Subway construction under the legendary Golden Horn, Istanbul

Metro Yenikapi - Unkapani

Refurbishment of tunnel chain Bruck an der Mur

Refurbishment of nine bridges and four tunnel bores

Vienna Metro Line U1/9 – Altes Landgut

Extension of the line U1 - urban tunnel construction directly beneath the motorway junction Favoriten and the A23 bypass

S6 Semmering express road General refurbishment of Niklasdorf Tunnel

Niklasdorf Tunnel - refurbishment of a tunnel in limiting equilibrium

Upgrade of a historic transit route through Algeria

3 new road tunnels in the fabled Kherrata gorge