Page 42 - Trenchless Technology Piping Installation and Inspection
P. 42

Sheeted pit



                          Water level  Concrete backstop  Hydraulic rams  Operators platform  Heavy-duty track  Concrete floor  Spoil ejector  Auger  flights Master pusher


                                      Bentonite line    Casing pipe  Grade control (steering) head Track-type horizontal auger-boring operation. (Iseley et al., 1999.)





                                          Water line





                                               Cutting head


                                                               FIGURE 1.13





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