The slope of gangway should not exceed 1: 4, and the active step should be considered when it is not satisfied.

The height of the abutment on the land side of the gangway should be extremely high water level or the maximum navigable water level plus 0.5m ~ 1.0m rich superelevation.

The vertical direction of the landing end of the gangway should be hinged, and the movable connection structure such as pulley should be set up with the connecting end of the floating bridge.