Development of the KD - carthage for the Weak Club

The project of the start site for the Walk Club (water ski hunting etc.). There is no specific area and geology, the object will be gathered as an exhibition sample on the shore of the water reservoir.
The main task is to make the structure completely of wood and with a surface base (without the foundation) excluding preparatory landwork.
The material is a sheet, you can make a terrace and a cover from a thin plate (you can even use a plate with a width of 70-100 mm and a thickness of 10-15 mm) to exclude the corrosion and curvature of the plate.