55. A loading ramp shall be capable of supporting, without any permanent deformation, a weight of not less than 350 kg. It shall be attached to the vehicle’s floor structure so as to withstand a force in any direction resulting from a deceleration of 20 g.
A loading ramp shall be covered with a skid-resistant material of an open-grid type and, where the ramp is a one-piece construction, it shall have an outer lateral raised border not less than 75 mm high nor more than 3 mm thick.
Where it is a 2-piece construction, each piece shall have an outer lateral raised border not less than 75 mm high nor less than 3 mm thick and an inner lateral raised border not more than 50 mm high nor less than 3 mm thick.