Mobile crane ground stability

SA078 - No. 11

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On 9 November 2009 a serious near miss involving a 100 tonne mobile crane occurred on a busy construction site. There was potential for multiple fatalities. The crane was being used to lift and position precast concrete panels. The ground beneath one of the crane outriggers collapsed while the crane was lifting a 4 ton panel. The loss of ground stability resulted in the crane outrigger sinking approximately half a metre. Fortunately, the quick placement of extra timbers under the outrigger arm prevented further ground collapse and the panel was able to be lowered without further incident.


Workplace Standards Tasmania

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Relates to Tasmania (TAS)

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Printed: 25 February, 2021.

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