[Riesiger Schiffskran bricht im Überseehafen Rostock bei Tests in sich zusammen]

Wow that thing went over backwards. Didn’t see it at first. No hard boom stop? No boom limits? Boom winches must have kept hoisting until there was nothing holding it then over backwards and folded upon the A-frame. Looks like the blocks clipped the operators cab too. What a mess.

[image] KPChief: No hard boom stop? Did the hook break? I see blocks and what might be part of a swivel.

Possible. The black swivel looks hookless from certain angles in the second video. Not seeing much on the barge deck. The barge (test weight?) is bobbing up and down in the first video maybe it did “drop”.

The accident was during lifting tests. A loaded barge is alongside Orion under the crane, probably the test weight. In the first video, she is strongly moving up and down. Five injured in the crane cabin. Tech infos about the Liebherr crane (the first of this kind): https://www.liebherr.com/en/c…

Just a spit ball, looks like the failure is due to backward stability issues that comes with light loads and high boom angles. Similar to this one. [image] Backwards Stability of Crane Booms • Stewart Technology Associates A rigging failure resulted in sudden release of the hook load. Th…

Some more details. [image] Liebherr: Broken Hook Cause of Orion Crane Collapse "The responsible authorities and experts unanimously agree that a broken crane hook was the cause of the accident."

It will be interesting to find out how the metallurgy tests on the failed part compares to what the certificates say.

[image] Chief_Seadog: It will be interesting to find out how the metallurgy tests on the failed part compares to what the certificates say. Me too. I have had some bad experiences with Chinese steel. Formula OK but treatment wrong, vise versa and both.

Was it Chinese steel? The crane was built in Rostock DE.

Orion 1 - Crane Failure - Rostock, Germany

Maritime News

KPChief May 7, 2020, 10:18am 10

Some more details.

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Orion 1 - Crane Failure - Rostock, Germany

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