East Area CSO Custer Avenue CSO West Area CSO clean water atlanta.org
tunnel image
default_CSO_tunnel2.gif default_r33_c8.gif

East Area CSO Tunnels Project Schedule

1. Notice to Proceed
June 2004
   
2. Mobilization and site preparation:
Three Months
     
  (includes site-specific work such as:  
 
  • Moving in and setting up staff ande crew facilities (trailers)
  •  
  • Moving in heavy equipment (front end loaders, backhoes, etc.)
  •  
  • Erecting silt fences, other erosion and sediment control measures
  •  
  • Clearing and grubbing)
  •    
    3. Shaft Construction
    8 - 10 months
       
     
  • Truck traffic as rock and soil are removed and hauled away
  •  
  • Very little noticeable construction activity on the site
    (most work is underground)
  •  
  • Occasional blasting
  •  
  • Shafts are the main point for material entry and exit
  •    
    4. Install Tunnel Boring Machine and begin boring
    May 2005
    (18-20 months)
       
     
  • Very little noticeable construction activity on the site (most work is underground); however, may involve moving some of the construction activities to the next shaft location; shafts are the main point for material entry and exist.
  •  
  • No blasting
  •  
  • Truck traffic as rock and soil are removed and hauled away
  •  
  • Tunnel is lined as you go
  •  
    Milestone Completion Date for East Tunnel
    January 2007
    legal statement privacy disclaimer site statistics

    Copyright © 2010 City of Atlanta, Department of Watershed Management. All rights reserved.