Bridge Girder Erection Mega Machine

Talk about heavy equipment! This is the SLJ900/32, a Chinese bridge-building machine. It weighs 580 metric tons and is 91.8 meters long. It carries and installs concrete bridge girders in places where a crane can’t go. This time-lapse video makes it look simple. It can’t be simple.

(YouTube link)

But at least it’s doable. Watch the guys working with this machine. They hop around hundreds of feet above a chasm, installing tons of concrete, with no safety harnesses. There are two other videos that give a closer look at some of the steps, if you are interested. -via Daily of the Day

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