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 Tehran City No 7th Water treatment project

Tehran City No 7th Water treatment project

Client
Tehran City Water and Wastewater Company

Period :
2010 Oct - 2017 Oct

Location :
Iran

Type of Project :
EPC


OMRAB as contractor provided comprehensive engineering services including Design, procurement and construction to build the first module of Tehran 7th treatment plant, one of the most advanced conventional treatment plant in the Middle East. BHU has served as the consultant of this project.
The treatment plant is being constructed in a 15 acre site area, close to Mamlo dam in south-east of Tehran. The main specifications of this project include:
The capacity of treatment plant will be 5m3/s which will be maintained in two independent module with capacity of 2.5m3/s. The sludge treatment facility will be in common between two modules.
There will be two 10000m3 reservoirs that treated water goes through before entering the distribution network.
The average turbidity of raw water entering the treatment plant is 1000 NTU while our design assures the turbidity of 0.3 NTU for the treated water. The water quality obtained from the treatment process is assured to meet AWWA standards.
The treatment process includes Flash mixing unit, Flocculator, Lamella clarifier, Gravity filter (Dual media), PAC and chlorination unit and control system.
Using Lamella clarifier, dual media filter, PAC injection system for the first time in the country outstand this project in the region.
Other aspects that make this project unique in the region are   using a special design for some of the units of the plant such as cascade aeration, drying beds and control system which is completely redundant without any electrical interlock.
OMRAB as contractor provided comprehensive engineering services including Design, procurement and construction to build the first module of Tehran 7th treatment plant, one of the most advanced conventional treatment plant in the Middle East. BHU has served as the consultant of this project.
The treatment plant is being constructed in a 15 acre site area, close to Mamlo dam in south-east of Tehran. The main specifications of this project include:
The capacity of treatment plant will be 5m3/s which will be maintained in two independent module with capacity of 2.5m3/s. The sludge treatment facility will be in common between two modules.
There will be two 10000m3 reservoirs that treated water goes through before entering the distribution network.
The average turbidity of raw water entering the treatment plant is 1000 NTU while our design assures the turbidity of 0.3 NTU for the treated water. The water quality obtained from the treatment process is assured to meet AWWA standards.
The treatment process includes Flash mixing unit, Flocculator, Lamella clarifier, Gravity filter (Dual media), PAC and chlorination unit and control system.
Using Lamella clarifier, dual media filter, PAC injection system for the first time in the country outstand this project in the region.
Other aspects that make this project unique in the region are   using a special design for some of the units of the plant such as cascade aeration, drying beds and control system which is completely redundant without any electrical interlock.
for more information go to 7th Tehran City water treatment plant website

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