Metro Algiers Line 1, Extension C Hai el Badr – Ain Naadja
Algier, Algeria
Location
Algier, Algeria
Services
Project planning: draft and final design Structural engineering: draft, approval and final design
Client
EMA (Entreprise Metro d’Alger)
Length
3,0 km
Planning period
2012 - 2014
Construction period
2012 - 2015
![Station »Des Ateliers«, partial section of station structure as 3D representation (Autodesk Revit)](/typo3temp/assets/_processed_/6/4/csm_tunnel-bergm_0034_37f33a08ac.jpg)
![Tunnel tube (bored tunnel); umbrella sealing/reinforcement of inner shell/formwork traveller](/typo3temp/assets/_processed_/0/d/csm_08_Querschnitt-2_d6faf357d9.jpg)
![Station »Des Ateliers«, interior view in construction stage](/typo3temp/assets/_processed_/5/5/csm_11_Pfahlwand-mit-Anker_870dc22385.jpg)
![Terminus »Ain Naadja 2« area east, concreting of base slab](/typo3temp/assets/_processed_/e/7/csm_Ain-Naadja-2_IMG_4707_5e07a71e5b.jpg)
![Standard cross section Tunnel (cut + cover)](/typo3temp/assets/_processed_/b/9/csm_les-ateliers_1745984_6dca7cf8d6.jpg)
Part of the design contract are the cut-and-cover tunnel of around 210 m length required at the beginning of the line, the adjoining overground station Halte des Ateliers, the underground station Ain Naadja 2 as well as retaining walls and two ventilation structures.