Construction of the quadruple railway corridor in section ‘exit of R.S. Athens – Treis Gefyres’ including tunneling construction at Sepolia area (C.N. 2507).

Construction of the quadruple railway corridor at the section ‘exit of R.S. Athens – Treis Gefyres’ with underground construction at Sepolia area (C. No. 2507) (TSI INF 1299/2014, TSI SRT 1303/2014, TSI ENE 1301/2014).

Client : J/V INTRAKAT, SIDIRODROMIKA ERGA S.A.