Location:
Tonekabon, Mazandaran province
Activity:
Sewerage Systems and Environment
Client:
Mazandaran Water & Wastewater
start date:
Completion Date:
Project Description:
Services: Feasibility, detail design
Specifications:
1.Wastewater collection network
Plan duration: 2011 →2036
Population: 76,450
Coverage area: 825 ha.
Sewer diameters: 500 -600 mm
Network length: 140 km
Pipe material: PVC, concrete
Main Pipe diameters: 1000 mm
2.Pump station & transmission line
Pipe diameters: 400 and 700 mm
Pipe length: 7 km
Pumping Pipe material: UPVC
Pumps per station: 4 +1
Pump head: 42 m
Pump type: Dry, sewer
Discharge: 653 lit/sec
3.Sewage treatment plant
Process method: BNR activated sludge, A2o type
Modulation:2 independent
operating periods:
1st period: activated sludge extended aeration, capacity of
8500 m³/day
2nd period:
conventional activated sludge,capacity of 22200 m³/day
Plant area:4 ha.
Components: pretreatment installations,biological unit,
sludge preparation,disinfecting system
Status:Studies
accomplished