A single change in elevation is just not a flight nor a stairway as described from the design IBC, thus single modifications in elevation do not demand handrails, the IBC even has an exception that claims so, undecided why, however it does. ICE said: I just found this thread plus https://seecontainerkaufen25567.bloguerosa.com/35538964/the-2-minute-rule-for-container-kaufen