The making of concrete floating jetty - Benecke

This is a video who show's how we make concrete floating jetty's.
For more info: www.wabenecke.nl
Film equipment:
Gopro hero 3 black edition
Canon eos 700d with 18-55 mm stm lens
Edit equipment:
Final cut pro x
Macbook pro 13 inch retina late 2014

[@TonyOlsenFerris]

What Concrete mixture do you use to reduce water permeability so that the foam doesn’t get water-logged?

[@naimas8120]

I think they use EPS or Expanded Polyesterene Beads, much like styrofoam compound

[@rajasingammuthusamy959]

SMITH salvage company had a floating crane from concrete pontoon.