9 thoughts on “Floating Crane Accident in the Netherlands”

  1. About 40 seconds in it becomes obvious that someone did the math wrong. I can only imagine the horror of seeing it unravel so slowly and inexorably in front of you.

    1. Math?
      First couple of viewings, I was just wondering what the heck they were trying to accomplish there. Not that I’m any kind of expert on cranes or boats, mind you, but it just doesn’t seem to make a lot of sense, and the extent to which it doesn’t make sense is such that I doubt math was done.
      After looking at some of the later photos, I realized that there were two barges, one crane per; watching again, closely, I see (I think) the far barge get tippy just as things are starting to go pear-shaped; after that, and given the placement of the cranes, the rest is inevitable.
      It might make sense, if the load were meant to remain in the position seen at the beginning of the video, but swinging it further inboard seems wrong, no? I think I saw a suggestion that wind was a factor, but, comparing the movement of the load to that of the flappy white bit of cloth in the foreground, I find that difficult to believe.
      The whole thing looks like a giant WTF to me, though maybe someone who actually speaks crane and boat could deduce what they thought they were up to.
      Or… had things already started going wrong before the video started, and just accelerated as we were watching? Was the load meant to remain where it was, and all the movement resulted from the far barge beginning to tip?

      1. The object being moved bumps the bottom of the far crane at about 40 seconds (IIRC). They failed to properly do the math on how far apart the cranes needed to be. The ‘leg’ that pushes the ‘arm’ up simply is in the way. Someone forgot to take that into account.

  2. That did hurt….gotta tell you I was actually leaning when it started to go over like that would help!

  3. I think they screwed up with the choice of cranes: a lift like this has as it’s determining factor are two things: weight and size. Weight determines one half of the crane size; the other is the size of the object. And in this case, a third factor determines: the size of the barge. The canal is narrow and expect not very deep, so they went with what to me looks like a small barge. When they did the lift, the interlocks that are built into the crane system, will force the operator to use as close to 90 boom angle as they could (the further off 90, the less the weight they can pick. Then, when they had the pick within 80 degrees someone screwed up with telling the operators what to do. See, operators can’t see everything from where they’re at; they need a flagman to tell them which operation to as to reduce the angle off 90 degrees while the crane is reeling cable in (cable up) They were really far off angle and should have positioned the boom head closer to 90 while cabling up. Last but sure as hell not least, why didn’t these idiots use a spud barge? The damn tipping point was when the barges started to tip over. If they had spuds out this would have been able to save the mess they made.

    And yes, I’ve been the flag man a hairy pick like this one. Lots of planning involved. Went exactly as planned and no one was hurt. Except for the idiot paint foreman who got on the radio to take lunch orders and then had his feelings hurt by me when I told him to get off the radio while we were doing a critical lift or I’d shove it where the sun don’t shine.

  4. I suppose there was a good reason for them to place the cranes on the edge of the barges instead of the middle. That was probably one of the factors involved, but there were others.

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