You will need the following tools:
4mm and 10mm drill
Place pontoons in a row at the desired distance between the two rows. For a 4.80m long pontoon 4 sections are required: 1 pc end-piece at each end and 2 pcs middle sections.
Put planks for pontoon frame against the fixation points as shown in the drawing, and make sure they are straight. Attach the planks to pontoons with stainless steel or zn galvanized self-tapering screws, as you do this, please press the plank against the pontoon surface to make sure there are no gaps and it lays on the pontoon.
Add Zn galvanized angles in the corners, on the inside, and drill a 10 mm hole for placing of loop, add the loop. If you plan to install an outboard engine - please add two planks as shown on assembly drawing for engine placement.