Dam Penstock Steel Linings

General Information:

• Project Name: Gotvand Dam Penstocks Steel Linings
• Client: Iran Water and Power Resources Development Company
• Location: Shooshtar, Near City of Gotvand, Khuzestan Province, Iran
• Consultant: Mahab Ghodss Consulting Engineering Company
• Commencement Date: 2004
• Project Status: Completed 
• Recognition: Ministry of Energy

Technical Information:

The scope of this project consisted of design, procurement, fabrication and installation of tunnel and shaft steel linings including:

• Concreting between steel linings and tunnel/shaft walls
• Contact and consolidate grouting of the tunnels
• Earth Backfilling around upper bends of tunnels
  • 4 Tunnels:
    • Diameter of tunnels: 7 meters
    • Length of tunnels: 180 meters
    • Height of shafts: 80 meters
    • Wall thickness of steel linings: 22, 25, 30, and 35 millimeters
    • Radius of curvature of bends: 20 meters
    • Total weight of steel linings: 5,500 tons
    • Concrete volume: 41,000 cubic meters