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Koralm Railway Graz – Klagenfurt

Environment
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Project objectives

The Koralm railway line is to connect the cities of Graz and Klagenfurt. The route is designed for a speed of 160 to 200 km/h, which allows to reduce the travel time from three hours to a mere one hour. The core of the connection between the capitals of the provinces of Styria and Carinthia will be the Koralm tunnel with a length of 33 km.

Client

Location

Austria

Duration

2000 – 2016

Services

Expert support in the fields of vibrations, noise, air quality

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Project description

Studies for environmental impact assessment and design for statutory procedures under the Federal Railway Act for the entire line including procedures according to the Austrian Waste Management Act (Hollenegg landfills)
Measurements during construction
Acceptance measurements before and after start of operation

Statutory procedure in Carinthia (Lavanttal railway station to Grafenstein railway station)
Measurements during construction

Statutory procedure for the Koralm tunnel, procedures according to the Austrian Waste Management Act for the Hollenegg landfills
Measurements during construction of the Koralm tunnel (lots KAT 1 and KAT 2), Grub landfill and Hollenegg landfills

Project data

Length: 125.4 km (Graz main station – Klagenfurt main station)
Railway stations in Western Styria and Lavanttal valley, 11 stations
Underground section Feldkirchen – Graz airport: 3.2 km
Weitendorf underpass structure – A9: 1.2 km
Hengsberg tunnel: 1.695 km
Koralm tunnel: 32.894 km
Granitztal chain of tunnels: 2.55 km + 0.43 km + 3.096 km
Kühnsdorf chain of tunnels
Lind tunnel: 0.49 km
Grafenstein overhead noise barrier: 0.63 km

Project specifics

Longest newly constructed line in Austria.

Services iC

Vibrations:
Studies for environmental impact assessment and design for statutory procedures under the Federal Railway Act for the entire line including procedures according to the Austrian Waste Management Act (Hollenegg landfills)
Measurements during construction
Acceptance measurements before and after start of operation

Noise:
Statutory procedure in Carinthia (Lavanttal railway station to Grafenstein railway station)
Measurements during construction

Air quality:
Statutory procedure for the Koralm tunnel, procedures according to the Austrian Waste Management Act for the Hollenegg landfills
Measurements during construction of the Koralm tunnel (lots KAT 1 and KAT 2), Grub landfill and Hollenegg landfills

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