Client / Owner
- Algerian National Agency for Dams,
- Ministry of Water Resources (Algeria)
Execution
2005 - 2009
Total costs
280 million EUR
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