Project  TEHRAN SEWERAGE TUNNEL (LOT 2)

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Subject :  TEHRAN SEWERAGE TUNNEL (LOT 2)

Place :  Tehran

Taskmaster :  Tehran sewerage company

Consultant : Gueno consulting engineers

Start : 2003

End : 2006

Description :
 This project located in Tehran, as a part of main eastern sewerage tunnel of Tehran toward Shahr-e-rey treatment plant.
Specifications
- Concrete lined tunnel with oval shaped section;
-Section with 2850 mm wide and 3300 mm high
-Length: 2,206 m
- Construction of 9 manholes
- Diversion Zaman-abad and Ashraf-abad qanats totally 1,200 m long
- Tunnel excavation works: 40,000 m3
- Concrete works: 7,260 m3
- Steel works: 1,300 ton

Manpowers
1,000,000 person.hour