Award by Agence Nationale des Barrages to Condotte d'Acqua of the design and construction of a water transfer from the Beni Haroun pumping station to the Oued Athmenia reservoir dam in Mila province, northeast of the country. Value €110 million. Requires to build the 5,903 m-long Djebel Akhal tunnel, 4.2 m OD 3.5 m ID, gradient 2.5%, to be TBM-driven with precast concrete segmental lining, and the 917 m-long 4 m-diameter Krenenou tunnel to be bored using a roadheader with mesh and wet-mix shotcrete as support and final lining consisting of 12 m steel tubes joined together with shotcrete. Geology consisting of limestone and calcareous marls. Time frame for construction 17 months. Financing by Fonds Arabe pour le Développement Economique et Social (FADES). Visit www.condottespa.it 36/02.
