Yazd & Semnan 10 Villages Sewerage System & Treatment Plant

Yazd & Semnan 10 Villages Sewerage System & Treatment Plant

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