Gurpinar Wastewater Tunnel

Client : Istanbul Metropolitian Municipality

Location : Istanbul / TURKEY

  • Tunnel construction with TBM (Tunnel Boring Machine) having Ø2600mm internal diameter, pre-cast segmental lining as 1st and reinforced concrete lining as 2nd layer,
  • Total length of tunnel between start and end points is 5.227 meters.
  • Shaft construction with external diameter 9 m. (3 ea)
  • Branch tunnel construction of Ø2000 mm internal diameter and 1000 meters long.

Start Date : 01.11.2006

Finish Date : 01.11.2009