By the order of ROSMORPORT, the contractor was “Sochimorstroi” LLC, arch fenders of two new types of H300 * L2500 and H400 * L2500 with increased energy performance were manufactured for the icebreakers fleet located in the seaport of the Big port of St. Petersburg. The analogue of fenders produced by the leading world manufacturers are were made of rubber that provides the necessary reaction level at the maximum level of energy absorbed. New Technical Requirements were created by the demand of “Rosmorport” in accordance with PIANC requirements, the full-scale tests were made and “Russian Maritime Register of Shipping” certificate was received.