This assignment involves completing a series of four exercises, and the purpose is for you to practice utilizing these processes toward evaluating common controls for mitigating ergonomic-related hazards.
Exercise 1: Task Analysis
Take the simple task of lifting a 25-pound box (18 inches x 18 inches x 18 inches) from the floor and placing it on a desk that is 36 inches high from the floor. In the space below, perform a task analysis by using one of the methods described in the textbook and listing the steps for completing the task. Then, list the potential hazards associated with each step (i.e., stressors, CTDs, MSDs). Also, provide at least three ways to improve the task from an ergonomics perspective.
Task Analysis Identify the method you used = Task = Lifting a box from the floor and placing it on a desk. In the spaces below, list the steps for the task. List the potential hazards for each step
Ergonomic Improvements List at least three ways to improve the steps while avoiding the hazards. 1. 2. 3. 4. 5.
Exercise 2: Flow Diagram
Using the flow-diagram system, describe in detail the task of cart retrieval at the local grocery store or big box store. Start from the point where the customer acquires the cart inside the store and then discards the cart in the cart storage within the parking lot. This exercise requires two items from you: (1) a paragraph that describes the flow of tasks and (2) the flow diagram that visually represents the flow of tasks by using the shapes below. Copy and paste the shapes as you need to. Also, feel free to resize the shapes as you need to. Be sure to add a label to each shape, excluding the arrow.
Exercise 3: The Fault-Tree System
This exercise involves using the fault-tree system to help identify the cause of an event. First, read the scenario and then identify examples within the scenario to insert into the third tier of the fault tree. Second, select ONE of the AND gates and then propose a way to prevent the hazard from occurring (through the AND gate) in the future.
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