TOWER CRANE FAILURE
TOWER CRANE FAILURE
“The usage of crane in the construction industry is widespread and very important regardless of the project size. In tall building construction, the efficiency of the tower crane is the backbone of the project success. The crane operator is responsible to control the crane efficiently and follows the provided safety guidelines. Loss of life, injury, and property damages are the consequences that will happen if the requirements and procedures for crane handling are not properly done. The increasing number of crane accidents worldwide, since the year 2000 there have been over 1125 Tower Crane Accidents which have resulted in over 780 Deaths and countless injuries”
6 MOST COMMON CAUSES OF TOWER CRANE ACCIDENTS:
Crane accidents are one the leading causes of on-site workers’ deaths. We have listed below some of the most common causes that lead to tower crane failure:
Tower cranes have prescribed weight limits to ensure the safe working of the equipment. These cranes employ the use of counterweights to balance the equipment weight on the boom. If the limits exceed, the boom might tip over or collapse. Furthermore, the fixed tower of the crane can is also likely to buckle when the weight limits are exceeded. Its longer length makes it prone to undergo buckling.
Improper crane assembly during the erection is a big factor why booms collapse. Furthermore, if the crane does not have the necessary wood or metal blocking support to stabilize the load carried by the crane, the load can shift and cause the crane to collapse.
In the use of cranes and full CITB courses on the efficient working of cranes, crane workers need to be adequately trained. Employers must also ensure that staff are warned of the hazards of cranes and keep a decent distance between the operation of the crane and the work undertaken by other employees.
To avoid accidents caused by mechanical failure, cranes need to be maintained routinely. Crane components should be kept oiled and any faults should be quickly fixed.
One common cause of fatalities is electrocution from overhead power lines. The operator of the crane and the basket personnel must be aware of where live wires are located. Furthermore, before work starts near live wires, the power to electrical lines should be cut off.
Employers who rush to complete a construction project can promote quick, sloppy inspections of their cranes. To avoid crane accidents, however, rigorous inspections are critical. The inspectors must ensure that the cranes are completely safe to use before approving them.
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