Quay where steps are part of the quay construction or form the outer part of the quay.
landingSteps
Other type of construction
other
Quay on piles or pillars.
pillars
Ramp, steepled inclined plane
ramp
Adjustable ramp or boarding platform.
ro-roRamp
Constructed of stone or mansonry
seawall
Supporting construction of sheet materials with interlocking edges, driven into the ground to prevent seepage into an excavation.
sheetPiling
Unknown construction type.
unknown