Location:
27 villages locating in Khorasan provinces
Activity:
Sewerage Systems and Environment
Client:
Khorasan Razavi, Shomali and Jonoobi Water & Wastewater Company
start date:
Completion Date:
Project Description:
Services: Feasibility and detail design studies
Specifications:
1.Wastewater collection network
Plan duration:2006 → 2036
Average Population:3500
Average area coverage:25
- 30 ha. /village
Pipe diameters:110 -200 mm
Sewerage system
length:25 km
Pipe material: PE (HPDE)
2.Wastewater transmission line
Average Pipe diameter: 175
mm
Pipe length:1 to 1.5 km
Pipe material: PE (HPDE)
Transmission flow: 80 – 400 m³/s
3.Sewage treatment plant
Process method: Artificial wetlands by groundwater flow
Plan Capacity: Targeting at 346 m³ /day
Modulation:3 modules, 1 executional and 2 developmental
Components:
Pretreatment installations (trash racks plus grit chamber
and flow meter), two series of artificial wetlands,disinfecting system and
sludge transfer by chlorine solution
Plant area: 2.5 ha. /village
Studies start date:2003
Status: Studies accomplished