Thornton Reservoir

Engineer: Metropolitan Water Reclamation District of Greater Chicago

• Installation of Concrete Tunnel Plugs at the East and West Ends of a Section of the Thorn Creek Diversion Tunnel
• Installation of Mass Concrete Fill East of the East Tunnel Plug
• Tunnel Lining and Contact Grouting in the Diversion Tunnel & Connection Tunnel
• Removal of the Rock Plug in the Upper Thorn Creek Connection Tunnel
• Demolition and Removal of Existing Valves and Gates