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HOCHTIEF Engineering GmbH · Project Example

Maliakos-Kleidi motorway

Country Greece
Client Ministry of Infrastructures, Transport and Networks
Contract type PPP
Capital expenditure EUR 1.6 billion
Contract period 30 years (incl. construction time, 2008–2038)
Shareholders HOCHTIEF PPP Solutions GmbH (38,89%), Aktor Concessions (22,22%), J&P/Avax (23,61%), Vinci (15,28%)

Aegean Motorway S.A. was established on June 12, 2007 in Larissa, Greece as a Concession Company. The exclusive purpose of the company is the design, construction, financing, operation and maintenance of the Maliakos–Kleidi Motorway. The motorway
forms part of the PATHE Axis. With its 230 kilometers it is a major section connecting the capital of Athens with the regional metropolis Thessaloniki. The public-private partnership project has an investment volume of EUR 1.6 billion and a concession period of 30 years, during which tolls will be collected by Aegean Motorway S.A. until 2038.

After the opening of three new tunnels with a total length of approximately 11 kilometers (twin tubes of 2 x 11 kilometers), the Maliakos–Kleidi Motorway was handed over for full operations in April 2017. For the proper operation of the motorway, Aegean Motorway S.A. has established various functions. The Operation and Maintenance function ensures the smooth operation of the motorway and is responsible for its routine and heavy maintenance works. The Motorway Management Center and the Customer Service functions operate on a 24/7 basis throughout the year.

HOCHTIEF Engineering had already been strongly involved since the prequalification and bidding phase and helped to develop the project’s design and engineering strategy under both technical and organizational aspects. During the realization phase, the focus was on tunnel design—the first time in Greece this was performed with a non-reinforced inner lining. In addition, the construction site team was supported with specialized technical consultancy services, for example in the geotechnical assessment of the ground conditions, in the analysis and assessment of the existing structures and in the planning and installation of MEP works for the tunnels.

Copyright © Kostas Kolokythas

Alfredstraße 236
45133 Essen • Deutschland
Tel: +49 201 824-1273
Fax.: +49 201 824-2030

HOCHTIEF Engineering GmbH
Consult Infrastructure
Alfredstraße 236
45133 Essen • Deutschland
Tel: +49 201 824-2741
Fax.: +49 201 824-2742


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