Tunnel Constraction

Ev-Yol company has equipment and also personnel who are expert in all types of tunneling techniques and technologies, including:

• Classical methods
• Mechanical drilling/cutting
• Cut-and-cover
• Drill and blast
• Shields and tunnel boring machines (TBMs)
• New Austrian Tunnelling Method (NATM)
• Special methods (Pipe jacking, Micro-tunnelling)

Our featured projects in this field are as follow;

• Diversion tunnels for Karoon 4 dam, excavations in rock
• Diversion tunnels for Yamchi dam, excavations in rock
• Ganjgah-Sorkhabad road, tunnel excavations in rock
• Sabalan drainage tunnel, tunnel excavations in soil and alluvial
• Tehran sewerage tunnel (LOT2 and LOT4), tunnel excavations in soil and alluvial, some parts below the underground water level.