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Improved lighting for MHC operations

LED lights are not standard on mobile harbour cranes, but they make a dramatic difference to lighting in the working area.

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Photographs supplied by Phoenix Lighting have highlighted what a dramatic difference the company’s light fixtures have made to visibility. The images show the working area under a mobile harbour crane before and after LED lights were fitted.

 

As reported previously, RAK Ports in Ras Al Khaimah, UAE retrofitted Phoenix LED fixtures to one Gottwald and one Liebherr crane from its fleet of 20 mobile harbour cranes. The pictures below highlight the dramatic difference in visibility achieved.

The crane working area at RAK Ports before and after LED light
The crane working area at RAK Ports before and after LED light

LED fixtures are more expensive to purchase than traditional lighting fixtures, and most LED retrofits at ports are justified on the basis of the return on investment from energy savings and reduced maintenance costs, or paid for with grant funding.

 

Mobile harbour cranes are different in this respect, as they are mostly powered off the crane’s diesel genset, and will not make a noticeable difference to fuel-consumption.

 

The pictures from Phoenix highlight another issue that ports should also focus on – safety and light levels in the working area. As conventional light fixtures age, they typically becoming dimmer (as do LEDs), and the colour of the light changes.

 

LEDs, however, deliver longer life and more colour stability (chromaticity stability) over time, which means that terminals can expect less colour change as the fixtures age.

 

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