CLASS EXERCISE $-$ NIOSH RWL APPLICATION

The employee in the picture is lifting the packed products from the cart and put them on the conveyor line. Parameters of the task are as follows: Horizontal distance between mid$-$point of the boxes and the spine is $40cm.$ The vertical height of the products while on the cart is $40cm.$ The height of the conveyor line $120cm.$ Assymetry angle of the spine is $45$ degrees. The duration of the task is $3$ hours$/$day$,$ with lift frequency of $7$ times$/$minute$.$ Coupling for the product is fair. Actual weight of the products is $5kg.$

$*$Apply NIOSH RWL model and evaluate the risk level.

${?}^{**}$ Suggest task improvements and show the potential effect of your suggestion.