The two crane Superlift stunt
A video sent to us by a reader, and which appears to have been taken in mid-May, shows a seven section XCMG crane boom being supported at the top of the base section by a Sany crane, in order to prevent it from overturning while lifting a vessel at a long radius. This however, takes the crane from the stability limitation part of the load chart into the structural area.
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While the crane may well have survived the ordeal this time, the chance is that serious damage has been done which will come to light at a later date, possibly failing while making a far more modest lift that might be well within the crane's safe limits - if so, let’s hope it is not over a school playground.
If any of you can enlighten us to where it occurred - one source suggested Langfang City in Hubei Province in China BUT…. we cannot confirm that at all.
In the meantime, have a safe weekend
Note: This is not the first time we have reported in this technique here are a couple of others:
Tandem Lift with a difference