Crane overturns while loading
A telescopic crawler crane overturned yesterday while being loaded onto a transport trailer in Connecticut.
The crane had been working on the Moses Wheeler Bridge between Stratford and Milford and was being loaded for transport to a job in Pennsylvania. We understand that the trailer has already reversed under the jacked machine and it was being chained down, when a link in one of the chains broke and over it went.
Oddly the crane’s boom was elevated, which may well have caused the instability/overturning moment? Thankfully no one was hurt in the incident and leaking diesel was successfully contained. A couple of cars were clipped by the falling boom.
The crane will be recovered later today.
Source:
http://www.vertikal.net/en/news/story/14054/
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I have over 15 years experience hauling equipment,and must say I never chained a crane,or a excavator even,with the boom up.The boom should have been lowered before it’s self assembly jacks were raised to lower it onto the bed of the trailer,the chain link likely broke because it was tipping!
Good Afternoon Mr Editor,
Well said Mr MacLellan, I entirely agree. For this report above only makes sense if the Machine was already sliding off the trailer. As Chaining down is the very last task to be done, with the Boom kept as low as possible at all times to keep the Centre of Gravity low for safety reasons.
Steel Tracks on steel RSJ’s on trailer sides, are always slippy. Fortunately no-one was hurt by the falling boom on those passing cars but it could just as easily have been a Manslaughter Charge for the Operator
So will we ever know the truth I ask ?
Kind Regards
Mike Ponsonby BA
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