Dam Diversion Tunnels

General Information:

  • Project Name: Seymareh Dam Diversion Tunnels
  • Client: Iran Water and Power Development Company
  • Location: Seymareh River, Zagros Mountains, Province of Ilam, Iran
  • Consultant: Mahab Ghodss Consulting Engineering Company
  • Commencement Date:1997
  • Project Status: Completed
  • Recognition: Ministry of Energy


Technical Information:

Scope of work consisted of the construction of:

  • 2 diversion tunnels
  • Height of upstream cofferdam: 21 meters
  • Height of downstream cofferdam: 7 meters
  • Internal diameter of diversion tunnels: 10.5 meters
  • Length of diversion tunnels: 835 meters
  • Length of access road: 8 kilometers