Tunnel Projects Water Transmission Tunnel Delivering the Surplus of the Gelas River to the Lake Urmia Basin Project name: Water Transmission Tunnel Delivering the Surplus of the Gelas River to the Lake Urmia Basin [ More... ] Detailed studies of alternative drinking water transfer system design in Alborz and Tehran provinces from Taleghan dam project name: Detailed studies of alternative drinking water transfer system design in Alborz and Tehran provinces from Taleghan dam [ More... ] Consultancy services for the design and construction of the eastern tunnel part of the alternative drinking water transfer system of Alborz and Tehran provinces from Taleghan dam Project name: Consultancy services for the design and construction of the eastern tunnel part of the alternative drinking water transfer system of Alborz and Tehran provinces from Taleghan dam [ More... ] Design and Construction of Water Transmission Tunnel from Safa Dam to Kerman City Project name: Design and Construction of Water Transmission Tunnel from Safa Dam to Kerman City [ More... ] Studies of the Comprehensive Plan of West Tehran Common Utility Tunnels Project name: Studies of the Comprehensive Plan of West Tehran Common Utility Tunnels [ More... ]