|Owner||L’Entreprise du Métro d’Alger (EMA)|
|Main Contractor||Groupement GAAMA - Groupement GDTC - Groupement GDC|
|Duration of works:||2006 (Section Hamma - Hai El Badr) - 2012 (Haï El Badr-El Harrach)
2014 (Hai El Badr-Ain Naadja)
2021 (El Harrach centre - Algiers Airport)
in progress 2022 (Ain Naadja - Baraki)
TREVI was involved in the execution of foundations for the stations Hamma, Jardin d’Essai, Les Fusillés, Amirouche, Mer et Soleil and Haï El Badr, making part of the first section of Line 1.
With a linear length of 9.5 km, this section includes 10 stations connecting Grande Poste to Haï El Badr. This phase involved the execution of an exploration drilling campaign, bored piles, secant piles, a diaphragm wall with hydromill, ground anchors, jet grouting and micropiles.
Works lasted from September 2003 to February 2006 and were entrusted to the Algerian-German consortium Gaama, composed of Dywidag International (51%), Cosider TP (35%) and Infrafer (14%) for a total of Euro 145 million. The project management was entrusted to the French company SYSTRA.
Diaphragm wall 600-700 mm _20,586 m2
Ground anchors 39,134 LM
Jet Grouting 29,217 m3
Bored piles 12,398 LM
Secant piles 2,545 m2
Micropiles 1,133 LM
This 4-km-long section covers four stations (Bachdjarah Tennis, Bachdjarah, El Harrach Gare and El Harrach Centre), a 280-m-long viaduct, a 408.48-m-long rectangular tunnel, a 2166.54-m-long underground arched tunnel and three air extraction plants. The Algerian-German consortium GDCT, made up of DIWYDAG, COSIDER and TREVI, carried out the civil engineering works for this extension. The project was completed in 47 months.
Works carried out:
Diaphragm wall 1000 mm _46,788 m²
Piles 24,047 LM
Ground anchors 118,749 LM
Jet Grouting 26,729 m3
Micropiles 5216 LM
Sheet piles 2925 m²
Soldier pile wall 2520 LM
This section includes platform works, a 132,5-m-long viaduct, a 241,5-m-long rectangular tunnel, three stations (Des Ateliers - Aïn Naadja 1 - Aïn Naadja 2), a 1840,88-m-long underground arched tunnel and three air extraction plants.
The Algerian-German consortium GDC carried out the civil engineering works for this extension, for a total length of 3.6 km.
Works were executed from July 2011 to July 2014:
Piles (ø 600-800-1000-1200 mm): 39,773.88 LM
Soldier pile wall: 979 m²
Ground anchors: 114,042.65 LM
Sheet piles: 212 m²
The construction works for the extension of Line 1 of the Algiers Metro, connecting the city centre of El Harrach to the Houari Boumédiène International Airport, were entrusted to Cosider TP and have been underway since June 2015.
With a length of 9.5 km and 9 stations, this line will serve densely populated areas such as Beaulieu, Oued Smar, Cité 5 juillet, Bab Ezzouar, the University Centre of El Harrach, the Business Centre of Bab Ezzouar and the Houari
Boumédiène University. This line will also link the tramway to the Houari Boumédiène University intersection and will provide this station with a multimodal transportation.
The ten stations making part of this extension are: Hassan Badi, Pôle Universitaire, Beaulieu, Oued Smar, Université Houari Boumediene, Rabia Tahar, Smail Yefsah, Centre des Affaires and Aéroport.
Works carried out:
Diaphragm wall: 111 096.04 m²
Piles: 52 076.10 LM
Micropiles: 7 810.85 LM
Anchors: 19 514 LM
Jet Grouting: 87 576.278 m3
The extension of the Algiers Metro going from Aïn Nâadja to Baraki stretches over 6 km with 3 stations and a 1,453.50-m-long viaduct that connects the Mohamed Boudiaf station to the Mohamed Belarbi station. It crosses the SNTF railway line, the National Road N°38 and Oued El Harrach and comprises two elevated stations: the Aïn Nâadja Gare station and the Futur Parc Urbain station.
Railway Station of Gué de Constantine and the future intermodal station of this municipality. COSIDER TP was awarded the civil engineering contract for this extension. The stations of this extension currently under construction are: Mohamed Boudiaf, Ain Nâadja, Futur Parc Urbain and Mohamed Belarbi.
Works for the following stations are in progress.
Station Jardin - Station Cité 2004
Works carried out:
Piles (ø 800-1000-1200 and 1500 mm): 46,024.27 LM
Ground anchors: 91,200 LM
Forepoling: 42 838.73 LM
Diaphragm wall: 42800 m2