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Very interesting! That's actually pretty shocking that they can be unloaded in 12 hours. I would've expected far longer than that, though now thinking about it
by ethanbond 10y ago
Very interesting! That's actually pretty shocking that they can be unloaded in 12 hours. I would've expected far longer than that, though now thinking about it I suppose it seems reasonable with all those crazy crane systems that industrial docks have.
- bkor 10y agoHanjin has max 13.000 TEU vessels. That's maybe 8000 containers. One crane can unload at around 30 containers per hour. You might be able to use 6 cranes on such a vessel. It works out to 45 hours to unload such a vessel if completely full. I might be off a bit in some of the calculations, but 12 vs 45 hours is quite a big difference. There's various physical limitations. You cannot have too many cranes working on a vessel (need to have space between cranes). Further, most cranes aren't that quick. Depending on a region you might hit 45 containers per hour, but that's pretty high (usually only seen in Asia).
- astrodust 10y agoIs the upper end getting much higher with aggressive automation efforts like those in Rotterdam? (https://www.flexport.com/blog/port-automation-oakland-rotterdam/ https://www.flexport.com/blog/port-automation-oakland-rotter...) Smaller vessels can be cleared out inside a day, but the larger ones are still a project for all but the best equipped ports.