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Massive lattice boom failure

submitted by dirtywhiteboy to CraneCollapses 4 daysJun 13, 2025 14:13:02 ago (+21/-0)     (files.catbox.moe)

https://files.catbox.moe/0laicz.mp4

A heavylift crane collapsed in Rostock, Germany, during load tests at the Liebherr construction yard. The incident occurred on May 2, 2020, when the crane broke off while testing a load of 5,500 tons, causing the upper half of the crane to tip over and smash onto the offshore installation vessel Orion 1.

The ship, being built by Cosco (Qidong) Offshore, was scheduled to be delivered later that month to DEME Offshore for work on the Moray East offshore wind farm in Scotland.

Four people were injured in the accident, and the crane suffered significant damage, with investigations into the damage to the crane and the vessel ongoing.

This was the second accident involving Liebherr cranes in the Rostock port within a short period.


23 comments block

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[ - ] Drstrangestgov 3 points 4 daysJun 13, 2025 14:16:44 ago (+3/-0)

That looks expensive

[ - ] dirtywhiteboy [op] 2 points 4 daysJun 13, 2025 14:22:39 ago (+2/-0)

At least nobody died in this one. I'm about to post the one that happened recently in Florida that killed 2.

[ - ] Drstrangestgov 0 points 4 daysJun 13, 2025 14:27:00 ago (+0/-0)

A "load test" my foot. That looks like infrastructure sabotage

[ - ] dirtywhiteboy [op] 2 points 4 daysJun 13, 2025 14:28:30 ago (+2/-0)

The block failed & shocked the system. What makes you think it's sabotage?

[ - ] Drstrangestgov 1 point 4 daysJun 13, 2025 14:30:23 ago (+1/-0)

Because with proper inspection and maintenance well built machines last forever

[ - ] lord_nougat 5 points 4 daysJun 13, 2025 14:34:37 ago (+5/-0)

[ - ] Drstrangestgov 6 points 4 daysJun 13, 2025 14:37:26 ago (+6/-0)

Lol this is the weirdest porn ever

[ - ] lord_nougat 5 points 4 daysJun 13, 2025 14:40:33 ago (+5/-0)

Yeah, bitch! Lift my ship!

[ - ] TheNoticing 1 point 3 daysJun 13, 2025 17:43:47 ago (+1/-0)

she can tie me up anytime.

[ - ] dirtywhiteboy [op] 0 points 4 daysJun 13, 2025 14:35:58 ago (+0/-0)

Nothing lasts forever.

[ - ] Drstrangestgov 0 points 4 daysJun 13, 2025 14:36:51 ago (+0/-0)

Without maintenance, true. But things can be rebuilt forever.

[ - ] Prairie 0 points 3 daysJun 13, 2025 18:15:49 ago (+0/-0)

...and have no limits to forces on them?

[ - ] Drstrangestgov 1 point 3 daysJun 13, 2025 18:24:39 ago (+1/-0)

Testing to destruction is usually not done unless its for a reason.

[ - ] Zyklonbeekeeper 0 points 3 daysJun 13, 2025 17:17:11 ago (+0/-0)

...believe me, unless your bank account is flush with about 50million bucks you wouldn't be able to absorb the cost.

[ - ] Drstrangestgov 3 points 3 daysJun 13, 2025 17:27:24 ago (+3/-0)

I'll check my change jar and get back.

[ - ] dassar 2 points 3 daysJun 13, 2025 20:31:53 ago (+2/-0)

'Gonna need a bigger jar!!'.

[ - ] Zyklonbeekeeper 0 points 3 daysJun 13, 2025 21:43:11 ago (+0/-0)

How big is that jar?

[ - ] Zyklonbeekeeper 3 points 4 daysJun 13, 2025 15:58:27 ago (+3/-0)

Nothing wrong with the crane/ship's gear, it was the rigging that failed below the hook....FYI, when load testing a crane, the weight of the test load is 125% of the rated capacity as stipulated in the load chart, the load chart has an established safety
factor, hydraulic cranes have a 15% factor and a conventional lattice crane is 25% so in essence the test program exceeds capacity only by about 10-15%...there was nothing wrong with the structural integrity of the crane, it was the lifting points that failed (as it appears here)...I'd like to have seen the rigging apparatus/design

[ - ] ProudRebel 1 point 4 daysJun 13, 2025 16:41:43 ago (+1/-0)

Did it pass?

[ - ] dirtywhiteboy [op] 1 point 4 daysJun 13, 2025 16:55:14 ago (+1/-0)

The rigging definitely didn't.

[ - ] HelenHighwater 0 points 3 daysJun 13, 2025 17:14:54 ago (+0/-0)

Eurocode 3 and FEA could have helped that bash.

[ - ] dirtywhiteboy [op] 0 points 3 daysJun 13, 2025 17:29:23 ago (+0/-0)

It was a rigging failure, has nothing to do with the structure of the crane itself.

[ - ] Master_Foo 0 points 3 daysJun 13, 2025 23:00:34 ago (+0/-0)