Underground structures and tunnels are becoming inevitable in metropolises due to limitations in urban spaces. The underground structures department has been established to provide engineering services such as designing, consulting and supervision on construction of tunnels, subway lines, stations and deep excavations.
This department provides engineering services for:

• Urban Tunnels
• Subway and Underground Spaces
• Road and Railway Tunnels
• Utility Tunnels
• Hydraulic Tunnels
• Electrical, Mechanical and ITS