<h1>Let's go ahead</h1>
<p>Every new project involves striking out into a piece of the future. At 3G we head towards the objective on the basis of mutual trust with our clients and with great enthusiasm for our common cause.</p>
<p><a style='color:#fff;' href='en/about-us/philosophy.html'>Find out more</a></p>

<h1 style='color:#000;'>Let's go ahead</h1>
<p style='color:#000;'>Every new project involves striking out into a piece of the future. At 3G we head towards the objective on the basis of mutual trust with our clients and with great enthusiasm for our common cause.</p>
<p><a style='color:#000;' href='en/about-us/philosophy.html'>Find out more</a></p>

Projects

Next Previous

Semmering Basetunnel CL 2.1

Construction Lot 2.1 – Tunnel Fröschnitzgraben of Semmering Base Tunnel is the middle and with approx. 13 km length the longest section of Semmering Base Tunnel.

Project:

The 4.4 km long tunnel section heading towards Mürzzuschlag is excavated by drilling and blasting, the 8.6 km long construction section in direction Gloggnitz is excavated by two single shield hard-rock TBM, each with a diameter of 10 m.

The tunnel construction is carried out through two shafts, each approx. 400 m deep. At the base of the shafts the emergency stop station is located, which serves as a site installation during construction. Both shafts will be utilised for ventilation and emergency exit during operating phase.

Services of 3G:

Engineering geological and geotechnical design services for detailed design and tender design
Site supervision for shafts, NATM and TBM tunnels
Engineering geological - hydrogeological documentation und engineering geological consulting services during construction

Location: Fröschnitzgraben, Styria, Austria

Project Period: Since 2011

Imprint | Privacy