The second video is about first well expansion during the construction of water supply system using HDD method.
Pipe diameter is 710 mm.
For the first well expansion, a reamer with a diameter 400 mm was used.

Watch our video on how to tighten the HDPE pipe into the well using the horizontal directional drilling method:    • HOW the pipe was pulled into the well?  

Video about how we did pilot drilling:    • HOW IT WORKS? Horizontal directional ...  

Videos about how we did the second expansion of the well , diameter 900 mm:    • Horizontal directional drilling.  Fin...  

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