Cheliff Dam (Mostaganem - Algeria)

Project description

The Cheliff River diversion dam, consisting of a concrete structure and an embankment wing, is designed to supply the Kerrada dam with water as well as provide a drinking water treatment system. The dam therefore comprises a raw water intake, desalting and pumping system.

• Maximum height: 48 m
• Maximum height: 48 m
• Drainage basin: 43,700 km²
• Annual flood: 840 m³/s
• Radial gates: 4 x 15 m x 11.5 m
• Check valves: 4 x 2.4 m x 7 m • Design flow: 6700 m³/s
• Treatment capacity - Kerrada dam: 9.5 m³/s
• Treatment capacity - Drinking water station: 6.5 m³/s
• Eight 50-m-diameter desilting chambers
• Capacity: 50 MVA

8 km pipeline made from cast iron + DN 2000 steel, including a 1 600 m³ regulation reservoir.

Services

• Executive management assistance
• Financial management of the project
• Expertise on downstream flow conditions and the impacts on sludge disposal and operation of the spillway
• Hydraulic design
• Project preparation and bid packages (hydro-mechanical equipment, hydraulic transfer system, temporary diversion system, installation of desalting chambers, pumping station design and related equipment)
• Bid package
• Construction works Supervision
• Definition of site management principles including associated automated systems
• Monitoring the installation of hydro-mechanical equipment