Cartons of product are accumulated on the floor adjacent to a conveyor. The job consists of a worker lifting the cartons from the floor and placing them on the conveyor. The height of the conveyor is 61 cm. The cartons are 30 cm height, 30 cm width, and 40 cm length . The horizontal distance from the worker’s ankles to the center of the carton is
H2.
Cartons of product are accumulated on the floor adjacent to a conveyor. The job consists of a worker lifting the cartons from the floor and placing them on the conveyor. The height of the conveyor is 61 cm. The cartons are 30 cm height, 30 cm width, and 40 cm length . The horizontal distance from the worker’s ankles to the center of the carton is 20 cm. Carton weight is 9 kg. Frequency of lift is 2 lifts per minute and the duration of the task is between 1 and 2 hours. The cartons have a fair handholds. Control at the destination of lift is not required. The angle of asymmetry at the origin of lift may be taken to be 45 degrees.
Use the NIOSH equation to calculate the Recommended Weight Limit (RWL) and the Lifting Index (LI). Comment on the safety of this lifting task.
Step by step
Solved in 5 steps with 3 images
