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Crane Turntable Bearing Failure

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Considering this, the author recommends extra care when using portable types of cranes and underlines the use of hammer-head type cranes instead of portable types. Moreover, the owner of the mill also noted that the engine sparked on the first day. Although this was not the cause of the problem, it could be assumed that the tower crane, which had been used for 12 years, already needed regular, proper maintenance. Thus, exercising additional care in the particular situation would have meant using guy wires to hold the tower crane stably, double-checking for alignment, and ensuring A-performance of industrial cranes stably, performing regular maintenance checks, and discarding old, problematic crane parts.

Similar to the two situations above, the company that owned the crane was liable for the damages and death that occurred. To note, the author of the article reported that the Canadian company that manufactured the crane is no longer in the business. As mentioned above, Case 3 illustrates the negative consequence that the crane company would suffer following the accident. On February 13 of this year in Buenos Aires, a tower crane on a specially designed pedestal collapsed due to poor design of the crane.

Fortunately, no one was killed in the accident, however, it left property damages as the tower collapsed on top of a residential building. Specifically, something could have gone wrong with the design and material of the crane as body of the tower failed to resist the hardness of the constructed building and leaned over, causing the damages as shown in Figure 1. Of course, this did not happen in a minute, hence one can argue that the crew handling this project did not observe proper maintenance and emergency procedures.

In a crane accident in Harbin, China in 2009, Rasmussen (2011) identified a broken bolt as the main cause of the collapse of the crane. The accident happened on a building construction site where the crane collapsed on a scaffolding, killing one man and injuring four others.

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