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These materials were prepared in conjunction with Elizabeth Bunker & Associates, and with support from the Tertiary Education Institute of the
This case study requires an assessment of the risk of musculoskeletal injury associated with a maintenance task. The task takes place on top of a scrubber plant where airborne contaminants (an unwanted by-product of a minerals process) are removed. The air is filtered by being passed through five metre long filter bags which are suspended from in cassettes at the top of the scrubber plant. A cassette is pictured below being lifted from the top of the scrubber plant by an overhead crane.
These filter bags are held in place by wire cages which fit inside the filter bags. The filter bags deteriorate and periodically require replacement, a task which involves considerable manual handling. In this case study the bag changing task is broken down for assessment into the components, although in some cases the components are performed continuously. The components are presented here in the order they are performed.
The aim of this case study is for you to think about the risks of musculoskeletal injury posed by elements of the task, and risk management strategies which might be employed to reduce this risk. Before proceeding to the remainder of the case study you may wish to review the risks of musculoskeletal injury posed by manual handling in general.The news come from http://www.bossgoo.com/
