"Providing Services for the Restoration of Existing Faults-Damage and full Preventive maintenance with removal of faults in all the installed Fire Protection Measures and Means equipment of the building facilities of the stations of the airport-A.Liosia-Kiato railway line axis, of the Ag.Anargyri line section -S.K.A., as well as the buildings of the Y.T. Traction Substations. Spata, Loutropirgos and Corinth, of the M.T Neratziotissa and Corinth substations, of (K.E.K)/SKA and (KEK)/Corinth" (EXPIRED)