Detalhes do Projeto
DRAINAGE FOR RESIDUAL, RAIN AND IRRIGATION WATERS INCLUDING SUPPLEMENTARY MEASURES TO PREVENT RISING WATER TABLE IN VALE DE EL OUED (SECTION 2) – AERATED LAGOON STATIONS
Owner: ONA – Office National de l’Assainissement
Site: – Argélia
Conclusion year: 2010
Construction of 3 waste water treatment plants, aerated lagoons type, with 40, 42 and 20 hectares respectively.
The works consisted in the execution of:
- 3 ventilated ponds (helical aerators);
- 3 decanting ponds;
- Sludge dewatering beds;
- Pre-treatment, flow distributor and connection ducts works;
- Protection against wind and sand;
- Operation and accommodation buildings;
- Accesses and landscaping.
Earth movement 1 100 000 m3
Geo membrane 280 000 m2
Geotextile 365 000 m2
Reinforced concrete 2 100 m3
Tubing PEAD 4 600 m
Incorporation of hydro mechanical and electromechanical equipment.
Operation and maintenance of complex for 24 months.
