CONCEPTUAL DESIGN / SERVICES CARRIED OUTEarth-fill zoned dam with impervious clay core. Upstream and downstream embankment slope with 1:3 (V:H) and 1:2,5 (V:H), respectively. Drainage system with chimney filter and downstream blanket drain. Side-channel spillway (Q10.000years = 623 m3/s) with a crest type WES with 41 m of extension and a USBR stilling basin type II with 50 m of extension. Temporary deviation tunnel with a horseshoe cross section (B = 6 m), converted in 2nd stage to the bottom outlet with a Ø1200 mm pipe. Tower water intake with three entries.
Bordj Bou Arreridj, Argelia
N/A (Basic design conclusion, 2012)
Reservoirs volume: 9,8 hm3 Dams Volume : 1,54x106 m3 Crest length: 421 m Maximum height: 51 m