Algiers Underground | Algeria

Excavation diameter

10.50 m

Tunnel length

8,597 m


Shale, sandstone and conglomerate lenses

Type of support

Prefabricated segments

Completed in

in progress



SELI Overseas chosen to build the first line of the Algiers underground excavated using mechanised systems.

The large Algerian company Cosider chose SELI Overseas following an international tender, as a subcontractor for the execution of the first underground line in the city excavated using mechanised systems.

The technical success of this first application will open the doors to future successive expansions and new underground lines in the North African city.

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