We have been designing and manufacturing kinds of marine ladders for years. And marine classification certificate, ABS, BV, CCS, DNV(GL) are available. Pls feel free to contact us. Wharf gangway technical requirement The finished wharf gangway shall be subjected to a strength test, during this test it should be horizontally laid on two supporting points where are located at the lower roller and the ladder conncted to the upper patform , a load of 808.5N shall be picked on the each steps, it shall be maintained for 15minutes, and measured the ladder maximum deflection, it should be not exceed L/82.5. |