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   Naberezhnye Chelny — 2008

    01.09-25.09 Preparation period

    25.09-13.10 Sandblasting to clean the surface

    14.10-15.10 Final stage of surface preparation

    16.10 Putting up tents, installing equipment and setting up materials

    17.10 Pressure washing of the surface before applying the Lining System. Starting the Structural Polymer spray rig

    18.10 First part of the tunnel (15 meters long) is complete

    19.10 Tunnel ready for application of Lining System. View of tunnel after applying the Lining System

    25.10 Sealing the seams; installation of liner supports

    30.10
View of the tunnel after reconstruction
    
Opening sewer chamber for access
     
Adjusting work platform for the low-flow period (from 3 a.m. till 7.30 a.m.)
Adjusting work platform (continued)
View of work platform during the high-flow period (from 7.30 a.m. till 3 a.m.)
State of sewer's sides above daily flows
       
Visual inspection of concrete corrosion of the upper part of the sewer (one can see reinforcing steel)
Staging fixed in sewer (during the low-flow period)

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