Tekfen reports completion of four 15 m-wide NATM tunnels: T1, 375 m; T2, 640 m; T3, 3.875 km; T4, 1.210 km. Project included an 11.5 m-diameter x 38 m-deep ventilation shaft. Visit www.tekfen.com.tr 38/01.Tekfen reports 500 m-long, 15 m-wide, twin-tube Kirkgecit 7 and 350 m-long Cakit NATM tunnels on Ciftehan-Pozanti motorway under construction. Visit www.tekfen.com.tr 40/01.
