We study and we manufacture floating Pontoons of big inactivity for uses as houses, exhibition spaces, parking, water-sports works, moorings of big ships, benefit of fuels and generally as every floating anufacture that the enterprise needs. These floating pontoons have dimensions weight, free – board and other technical characteristics in proportion with. Floating pontoon for reception : of tower –observatory height of 15m, it has dimensions 7,50 x 7,50m, height 1,55m , weight 725 kg/m2 of deck.