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.