IMG_0381.MOV

In this video, we have pile driven pile down to solid ground, and for good measure, one of the boys is standing on another shoulders, who in turn is standing on jack hammer that is in turn hammering down pile to solid. If it does not move for 2 minutes we have hit rock hard bearing.



http://www.youtube.com/watch?v=0QGlGx-tCT0&hl=en

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