How to Choose The Right Marine Bollard - Part 1

1. Core Elements

Mooring load

- Calculation basis: Ship tonnage, wind, wave and current intensity, mooring Angle (the smaller the Angle, the greater the load).

- Safety Requirements: The safe working load (SWL) of the cable pile should be no less than the expected maximum load x 1.5 (refer to the OCIMF specification). Over-limit use is strictly prohibited.

2. Type selection

- Double cross bollard: The main force for merchant ships and passenger ships, with strong anti-skid and anti-shedding properties, and capable of withstanding forces in multiple directions.

- Cross bollard: The preferred choice for oil tankers /LNG carriers, with ultra-high strength and the best anti-slip performance.

- Single cross/T-shaped bollard: Suitable for small and medium-sized ships, saves space and has a low cost.

- Horn Bollard: Auxiliary mooring points for yachts, with a compact structure.

3. Materials and anti-corrosion

Cast steel + hot-dip galvanizing: High cost performance, suitable for 90% of scenarios.

- Stainless steel (316L) : In highly corrosive environments (such as chemical ports), it requires no maintenance but is costly.

Key point: The surface must be smooth and free of burrs to prevent cable wear.