
Transport infrastructure / rail
Project
Rehabilitation of railway line Corinth – Patra, section km 75 – km 90, Greece
Location: Greece
Client: ERGA O.S.E. S.A. (Greek Railways Infrastructure Works)
Date: 2004 – 2009
Construction costs: approx. € 95 million
Technical Details
The project involves the rehabilitation of the existing railway line of a total length of 15 km, from Corinth to Patra, including service road network, with the aim to upgrade it to double – track high-speed railway line. Along the line, there is the “Aigion“ Tunnel 3.5 km long, 4 railway bridges with total length 363 m, 4 overpasses, 16 underpasses and 8 stations.

Services Provided
The scope of services includes the Infrastructure and Substructure design (Railway, Road, Structural Design), in Conceptual Preliminary and Final stage including Geotechnical Surveys and Design. Furthermore, OBERMEYER acted as Technical Supervisor during the Aigio Tunnel’s construction.
Surveys:
- Geodetic (topographical) surveys
- Geotechnical Surveys
Design:
– Detailed design for all Civil Works (substructure, superstructure, structures)
- alignment – substructure
- railway superstructure
- bridges
- tunnels
- overpasses/underpasses
- retaining walls, culverts
- drainage
- formation setting
- railway stations and halts, including buildings, platforms, and canopies etc.
- disposal sites / borrow pits
- expropriations
- Design of signalling and telecommunication systems
– Design of electrification system
– Technical Specifications for Interlocking and Communication Equipment.
– Electrification Design
Tender Documents:
- Technical part (arising from the approved designs)
- Legal part: Procurement Plan, Tender Documents, Prequalification Documents, Evaluation Reports, Special Conditions of FIDIC Contract