APOL Arkadiusz Czeberkus implemented a co-financed project from European Funds Expansion of the sea-inland steel modular pontoon "www.apol.com.pl" for the purposes of using it as a self-supporting or stabilized platform for conducting hydrotechnical and research works in the marine environment, OFF-SHORE and inland.   The subject of the project is the expansion of the modular sea-inland pontoon to increase its technical parameters and increase the operational efficiency.