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Seen But Not Heard

Noise has become an important environment issue across the globe. As transport hubs, container terminals are particularly loud. The most prevalent noise is an almost continuous flow of traffic coming in and out of the port. Then there are ships, port machinery, warning signals and alsrms. Adding to all this are dockside cranes, making their own noise as they load and unload ships.  Each crane has motors, gears, ropes and machinery moving on steel wheels. Noise results whenever metal touches metal, crane motors run, and rope mechanisms operate, as they are built to do. In the mindst of a busy port, does reducing crane noise make much difference to the overall noise level? If so, how can you do it?

Why Reduce Crane Noise?

Konecranes has been manufacturing container cranes for more than four decades. In the beginning, noise wasn't a big issue, becasue the ways it affected humans were less well known and residential areas were seperate to ports. However, noise pollution has become a major challenge as urban areas continue to expand across the seafront, ports have become busier, and the two areas have crept closer. Current medical knowledge shows clear evidence that continuous reesidential noise and chronic sleep disturbance can casue significant health problems. 

Author(s): Ari Nieminen, Cheif Research & Development Engineer, Konecranes

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