Ankara Water Supply Project, Incegez Tunnel

PROJECT NAME	:	Ankara Water Supply Project, Incegez Tunnel
LOCATION	:	Kızılcahamam – Ankara / TURKEY
TYPE OF WORK	:	Water transmission tunnel with horse shoe cross sectional area
DIAMETER	:	Outer diameter; 4,76 m, concrete inner diameter; 3,40 m
TUNNEL LENGTH	:	5.889 m
DESCRIPTION
33.800 m³ tunneling concrete and 76.000 m³ of reinforced concrete in tunnel together with 1.250 tons of steel ribs, 530 tons of anchorage were executed within the project scope. Moreover 150.000 m³ of tunneling excavation and 360.000 m³ of open excavation were realized.