The project covered the construction of a sewage tunnel with inner diameter 2200 mm and 2381 m. long.
Cons. Of Pipelines Under Motorways and Railways by Pipe Jacking Method in Gen. Of Istanbul
This project covered the pipe jacking works for laying pipes under the motorways and railways in different diameters.
![](https://construction.stfa.com/wp-content/uploads/2014/05/AST01w2-660x400.jpg)
Adana Water Supply Project T2 Tunnel
The project covered the first and second lining works of water supply tunnel with inner diameter 3200 mm and length 600 m.
![](https://construction.stfa.com/wp-content/uploads/2014/05/MBT_V_01w21-660x400.jpg)
Melen Bosphorus Tunnel Crossing
The project comprises of Bosphorus Crossing Tunnel with diameter 5820mm and length 5550m at 135m below sea level, 90m cut and cover tunnel (between Ortaçeşme and Bosphorus), Beykoz shaft with inner diameter 8m with depth 145m upto the base of Bosphorus.
![](https://construction.stfa.com/wp-content/uploads/2014/05/k_ABT-660x400.jpg)
Adana Water Supply Project, T3 Tunnel
The project covered the construction of 2200 mm inner diameter precast lined concrete tunnel having a length of 1482 m.
![](https://construction.stfa.com/wp-content/uploads/2014/05/BKM01w2-660x400.jpg)
Preparation Works for Bakibaba Open Cut Copper Pit Küre, Kastamonu
The project covered the prelimanary mining works as shaft construction between 926 level and 878 level with 3200 mm diameter and 282 m long horseshoe section and also descending galery construction works to reach ore under 926 level with 3200 mm diameter.
![](https://construction.stfa.com/wp-content/uploads/2014/05/TDT02w2-660x400.jpg)
Orhantepe – Tuzla Collectors, Istanbul
The project covered the construction of 2 tunnels with inner diameter 4500 mm and length 6197 m, 15 nos of shafts and 2 nos of connection chambers.
![](https://construction.stfa.com/wp-content/uploads/2014/05/ASM01w2-660x400.jpg)
Preparation Works for Aşiköy Open Cut Copper Pit Küre, Kastamonu
The project covered the preliminary mining works as shaft excavation for diameters 3050 mm and 3800 mm with length 793 m. It also covered the gallery construction works for 4000 mm diameter with 1701 m horseshoe section and 3600 mm diameter.
Construction Of Sewerage and Rain Collectors with Horizantal Drilling Method in Istanbul
Construction of sewerage and rain collectors with horizantal access with diameters varying from 800 mm to 3600 mm.
Rehabilitation Of Tunnels on Iskenderun – Divriği Railway Line
The project covered the tunnel repairing, rock filling, supporting, shotcreting and new concrete lining works for the tunnels in Malatya Doğanşehir.