The Kidney Bollard is a popular choice for warping operation along quay-sides, for limited tide ranges, and for low line angle. The wide range of sizes make it ideal for small vessel berths and larger bulk terminals alike. Cast iron bollard and cast steel bollard are widely used  around the world.

Bollard Selecting

Bollard design relates many aspects and various factors shall be taken into account. Here are some common factors designers require to consider:

 •  Draft changes 

•  Water level changes 

•  Forces due to wind and currents 

•  Forces due to waves, swell and tides 

•  Forces due to ice (if required)

•  The type, size and ang e of mooring lines 

•  Anchor type and mounting method 

•  Overload prevention