The 12' high AquaDam® is lifted up, the trailer is backed under it, and the AquaDam® is placed on top.   

This was one monster forklift, and it was ideal for loading and unloading the AquaDam®s. Notice the slings placed around the AquaDam® for lifting purposes.

The completed boat ramp. The project took 6 days from start to finish. The AquaDam® package of rental, freight, pumps, installation, and removal came to a total of $33,000. According to the owner, the lowest bid for sheet piling alone came to $66,000, twice what the completed AquaDam® job cost. You can read his comments at the link at the bottom of the page.