Turnkey project: Signalling, Telecommunications and Energy. The actions taken were:
Installation of the latest generation of electronic interlocking EIS23, approved by Adif according to security conditions established by the regulations of the European Committee for Electrotechnical Standardization (CENELEC), providing a SIL4 security level.
Installation of a Level 1 ETCS system
Installation of a GSM-R system, using a fiber optic network of 72 fibers
Adaptation of communications to the exploitation demands, with optical transmission of digital signals, four hierarchical level of SDH (STM-4-622 Mb/s) at Thénia and Tizi Ouzou stations, and STM-1 à 155 Mb/s in the rest of the line, through which transmission takes place of the blocks information and the command and control communications.
Optical fiber laying to complete double ring of transmission for communications network.
Automatic block in single track (BAU) with electronic technology and axle counter system ACS 2000, between stations and at all stations of the line.
Videographic management system in all stations of the line.
Track elements: Wayside Signals, Axle Counters, electrical Point Machines and telephony at Signals.
Catenary installation of 25.000V 50Hz. At each station UPS+batteries are installed in order to ensure the required autonomy, with independent feeds for telecommunications and signalling.
Construction and adaptation of a trench network in the section that allows the laying of cables required for the new installations.
The cables have a reduction factor for protection against electromagnetic disturbances emitted by the catenary at 25kV 50Hz.
Construction of the technical rooms for hosting the equipment of signalling, telecommunications and energy in all stations.