Erdinger Ringschluss

Rail tunnel at Munich Airport

Stephan Otto

The Erdinger Ringschluss will significantly enhance the performance and connectedness of the existing rail infrastructure. (Image: Flughafen München)

Flughafen München GmbH has charged PORR with the extension of the existing railway tunnel, which will be expanded by around 1.8km to the east. The tender volume is around EUR 110 million.

Today Munich Airport’s rail access consists of two railway lines heading west. The Erdinger Ringschluss is a 30.2km-long, double-track railway line, part of which will be newly built; it is set to connect Freising and Erding via Munich Airport. The tunnel extension underneath the airport will serve as an important public transport link in the north of Munich.

The tunnel will primarily be driven using the cut-and-cover method. What makes this project special is the exceptionally tight timeline relating to the eastern area of the airfield of the satellite terminal, where around 250m of the tunnel will be built. Once the works on the airfield begin, there will be a mere 9-month construction period for building the tunnel and fully restoring operations on the airfield.

PORR made an impression in the tender phase with its customised solutions, thereby achieving significant savings compared to the original construction works. The PORR subsidiary in Germany, Stump Spezialtiefbau, will play a key role in executing the project.

Project data

Employer Flughafen München
Contractor PORR Deutschland . PORR Bau GmbH
Project type Infrastructure . Structural engineering . Foundation construction . Earthwork
Project scope Construction of a tunnel with a length of approx. 1,555m and a 306m ramp structure
Start of construction March 2018
End of construction 2021
Country Germany

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