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.
Istanbul Sewerage Project Caddebostan – Fenerbahçe Interceptors
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.
Istanbul Sewerage Project, Kabataş-baltalimani Tunnels
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.
Hereke Tunnel Construction, Izmit
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.
Adana Water Supply Project, çatalan Tunnel
The project covered the excavation and the first and second lining of 600 m long tunnel with inner diameter 3200 mm.
Construction Of Surface Facilities, Shaft Collar and Shaft Deepening at çayeli Copper-zinc Project
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.
Izmit Industrial Water Supply Project, Hereke Tunnel Construction
The project covered the construction of a 340 m long tunnel with 3000 mm diameter and the construction of 1 no of shaft.
Iskenderun-divriği Tunnel Repair Works
The project covered the tunnel repairing, rock filling, supporting, shotcreting and new concrete lining works for the tunnels in Malatya Doğanşehir.
Büyükçekmece Tunnel Construction, Istanbul
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.
Rehabilitation Works for 28 Railway Tunnels at Malatya – Adana Regions
The construction of 26 tunnels rehabilitated with spray concrete lining and 2 tunnels rehabilitated with the reinforced concrete lining.