Location:
4 villages in Semnan and 6 villages locating in Yazd province
Activity:
Sewerage Systems and Environment
Client:
Yazd & Semnan provinces Water & Wastewater Company
start date:
Completion Date:
Project Description:
Services: Feasibility
and Detail Design studies
Specifications:
1.Wastewater collection networ
Plan duration:2006 →2036
Average Population: 3000
Average area coverage: 40
ha.
Pipe diameters: 110
-250 mm
Sewerage system length: 15 -20 km
Pipe material: PE (HPDE)
2.Wastewater transmission line
Average Pipe diameter: 225 - 280 mm
Pipe length: 1 to 1.5 km
Pipe material: PE (HPDE)
Transmission flow: 400 m³/s
3.Sewage treatment plant
Process method: Artificial wetlands by groundwater flow
Plan Capacity: 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 per-chlorine solution
Plant average area: 2.5 ha.
Studies start date: 2003
Status: Studies accomplished