The project comprised boring of 3 main and branch tunnels, installation of R.C. Pipes in open cut trenches and connection of branch collectors. All tunnels and pipes were PVC lined. The diameters of the tunnels vary from 1800 mm to 3200 mm.
The Project covers the cleaning, discharging, lightening and ventilation of existing pipeline of 2132 m in length.The reinstallation of box and pipes, trench excavation, installation and testing of 652 m long R.C. pipeline with diameter 3600 mm.
The project comprised the boring of 3 main and 2 branch tunnels, installation of R.C. Pipes in open cut trenches and connection of branch collectors.
The inner diameters of the tunnels vary from 1200 mm to 3600 mm with a total length of 8203 m.
The project covered the construction of a tunnel with a length of 277.5 m and construction of 2 nos of shafts with diameters 7000 and 11000 mm with depths 15.87 and 21.90 m.
The project covered the excavation and the first and second lining of 600 m long tunnel with inner diameter 3200 mm.
The project covered the construction of a 5.50 m inside diameter and 25 m deep shaft and its collar which is utilized for copper ore handling by Çayeli Copper Industries Co. Shaft deepeing up to 300 m deep concrete lining and steel stand construction.
The project covered the construction of a 340 m long tunnel with 3000 mm diameter and the construction of 1 no of shaft.
The project covered the tunnel repairing, rock filling, supporting, shotcreting and new concrete lining works for the tunnels in Malatya Doğanşehir.
The project covered the excavation and primary concrete lining works of tunnel with 2800 mm inner diameter and 396 m length, the secondary concrete lining works of tunnel 2455 m, length. 57 m long shaft construction with diameter 110000 mm and also 500 mm.
The construction of 26 tunnels rehabilitated with spray concrete lining and 2 tunnels rehabilitated with the reinforced concrete lining.