Environmental, Economical, Technical and Social Justification Studies

Environmental, Economical, Technical and Social Justification Studies

Location: Natanz, Isfahan province

Activity: Sewerage Systems and Environment

Client: Isfahan Water & Wastewater Company

start date:

Completion Date:

Project Description:

Services: Reconnaissance, then feasibility studies
Specifications:
1.Wastewater collection network 
Plan duration:2006 →2031
Population:20,000
Average area coverage:240 ha.
Pipe diameters:200 -300 mm
 Sewerage system length:32 km
Pipe material:Double walled corrugated spiral PE 
2.Wastewater transmission line 
Average Pipe diameter:300 mm 
Pipe length:1.5 km 
Pipe material: Double walled corrugated PE
Transmission flow:110 m³/s
3.Sewage treatment plant 
Process method: Activated sludge – extended aeration
Target Capacity: 4000 m³ /day
Modulation:One module with capacity of 4000 m³ /day
Components: Screening plus grit chamber and flow meter, distribution box, aeration ponds, final settlement, sludge thickening basin, excess and return sludge pumping  installations, disinfecting by chlorination
Plant area:2 ha.
Studies start date:2002
Status:Studies accomplished