Tarabya Wastewater Tunnels & Collectors

Client : Istanbul Metropolitian Municipality

Location : Istanbul / TURKEY

Tunnel construction with TBM (Tunnel Boring Machine) having Ø2000 mm internal diameter, pre-cast segmental lining as 1st and reinforcedconcrete lining as 2nd layer,

  • 3.695 meters branch tunnel construction having Ø1200/1800 mm internal diameter, with reinforced concrete lining
  • Reclamation of Tarabya stream: 520 m
  • Ø1000 mm Pipe Jacking:150 m
  • Ø1400 mm Pipe Jacking:250 m

Start Date : 02.06.1999

Finish Date : 05.06.2005