Forensic Engineers and Consultants

Tag Archive: crane boom

  1. Crawler Crane Calamity at Cement Plant

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    A production building was being constructed at a cement plant.  A large crawler crane was being used to install the pre-assembled metal wall framing of the building.  The weights and lift radii of the four wall framing sections, along with the rigging spreader and other lift equipment, were within the rated capacity of the crane. (more…)

  2. Crane Pile Driving: Who Owns This Loss?

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    The boom of a hydraulic crane was bent while removing temporary sheet piles at a construction site.  A vibratory hammer had been placed at the top of the sheet piles to both drive and remove the piles. The vibratory pile driving placed no significant loads on the crane boom, as that operation relied on the weight of the sheet piles and the vibration of the hammer to sink the piles into the soil.  The vibration of the hammer and the lifting force of the crane boom were needed to remove the sheet piles from the soil. (more…)

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