In these cases the machine is lowered into the first bore hole, and an auger attachment fitted to the front.
Since this type of pipe repair work is quite common, CIPP, or Cured In Place Pipe, is an ideal solution.
Behind this tool is the new pipe.
The solution, therefore, is to create a repair which will withstand minor ground movement and slight shifts in pressure and position.
In the second instance, the world above ground has become so much more built on, so much more developed and so much more crowded that opening up the ground to reach these pipes in San Francisco represents huge problems.
Whether replacing existing pipes in San Francisco, carrying out repairs or laying new pipes in San Francisco, inevitably one assumes that large trenches will need to be dug.
