SALFO & Associates S.A. as leader of the association was providing construction management services to the Special Service of Public Works EYDE / PATHE of the Ministry of Environment, Physical Planning & Public Works for the highway works and ERGOSE SA (a subsidiary of Greek Railways) for the railway works.
The project concerns the simultaneous construction of a highway segment of 9,5 km length with three lanes plus an emergency lane per direction and a segment of high-speed double track railway line over a length of 8.5 km in a very environmental sensitive area. The construction budget was 176 million EUR and the construction period 4 years. The project included 5 road and 2 rail tunnels of total length of 7.700 m (2.400m the longest tunnel) and 900 m emergency exit tunnels, as well as 13 road and 7 rail bridges of total length of about 4.000 m. The project also included 10 tunnel control center buildings with total surface of 1060m2.
The consultant was responsible on behalf of the project owner for the construction management of all construction works, including among others the review and monitoring of the project Quality Control and Quality Assurance Plan, site audits and monitoring of field and laboratory tests, approval of construction methods and materials, approval of vendors, progress monitoring, application designs review, implementation of non-conformance and corrective actions management system and development & installation of a computerized site document management system.