Safety alert 16/2009 - Workplace concrete floor gives way resulting in serious injury
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An employee was attempting to raise a newly manufactured mining low loader trailer, weighing approximately 80 tonne, to enable a transport trailer to be driven underneath so the new trailer could be removed from the workshop. The employee used a heavy duty jacking system, various support stands and packing. During the lifting, the jacking system’s base broke through the reinforced concrete floor of the workshop under the weight of the load resulting in the trailer falling back a distance of approximately 100mm onto the support stands catching and crushing the right hand of the employee between the trailer and one of the support stands. The employee suffered the loss of 3 fingers and the palm of his right hand.
Factors to consider
- The weight of the plant being manufactured.
- The integrity of the concrete and floor system in the workplace.
- At the time that the floor gave way, the employee’s hand was under a load lifted by the jack alone.
Employers should ensure that:
- floors of workshops, where heavy equipment is manufactured or manoeuvred, are designed, inspected and maintained, as required;
- manufacturer’s operating instructions, safe systems of work and appropriate procedures are available for and in use by employees when lifting or moving heavy plant; and
- employees are provided with adequate training, instruction and supervision in the procedures, systems of work and safe operating instructions of all plant in their workplaces.
WorkSafe’s website or customer service on 1300 307 877 or email email@example.com
This Alert contains safety information following inquiries made by WorkSafe about an incident or unsafe practice. The information contained in this Alert does not necessarily include the outcome of WorkSafe’s action with respect to an incident. WorkSafe does not warrant the information in this Alert is complete or up to date and does not accept any liability to any person for the information in this report or as to its use.
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