Question: please answer now i have exam and i will thump up i have exam now d1=3 d2=10 d3=1 d5=1 A worker manually lifts cargo packs

please answer now i have exam and i will thump up i have exam now

d1=3 d2=10 d3=1 d5=1 please answer now i have exam and i will thump up

A worker manually lifts cargo packs from a conveyor belt and loads them on a cart. The job duration is 90 minutes, and the lifting frequency rate averages "d1" lifts/min. Worker's body twist to either side about "d2*5+d3" degrees while performing the task. The coupling is poor. At the origin of the lift, the horizontal distance (Ho) is 55 cm, the vertical distance (V.) is 50 cm. At the destination of the lift, Ho is 45 cm and Vo is 90 cm. Assume that an average package is 12 kg. The necessary formulas and tables are available in your book and in your lecture notes. a) Calculate the RWL at destination for this task using NIOSH lifting equation. (28 points) b) Calculate the Ll for this task and state if the load is acceptable or not? (6 points) c) Make 2 redesign suggestions that will decrease the risk of injury. (6 points) A worker manually lifts cargo packs from a conveyor belt and loads them on a cart. The job duration is 90 minutes, and the lifting frequency rate averages "d1" lifts/min. Worker's body twist to either side about "d2*5+d3" degrees while performing the task. The coupling is poor. At the origin of the lift, the horizontal distance (Ho) is 55 cm, the vertical distance (V.) is 50 cm. At the destination of the lift, Ho is 45 cm and Vo is 90 cm. Assume that an average package is 12 kg. The necessary formulas and tables are available in your book and in your lecture notes. a) Calculate the RWL at destination for this task using NIOSH lifting equation. (28 points) b) Calculate the Ll for this task and state if the load is acceptable or not? (6 points) c) Make 2 redesign suggestions that will decrease the risk of injury. (6 points)

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