4G+ Vo LTE 99 12:04 PM Z ASSIGNMENT 1 OCT 202... (9 marks) 2. Green Grass's plant manager just received marketing's latest forecasts of Big Broadcaster sales for the next year. She wants its production line to be designed to make 2,400 spreaders per week for at least the next 3 months. The plant will operate 40 hours per week. Work Element Description Time (sec) Immediate Predecessor(s) A Bolt leg frame to hopper 40 None B Insert impeller shaft 30 A C Attach axle 50 50 A D Attach agitator 40 40 B E Attach drive wheel 6 B F Attach free wheel 25 G Mount lower post 15 H Attach controls Mount nameplate a. Draw the precedence diagram for the line above. OPM549 (ARLIZA ABDULLAH) b. What should be the line's cycle time? 20 D,E 18 D, E (2 marks) (2 marks) C. What is the smallest number of workstations that she could hope for in designing the line for this cycle time? d. Construct the line layout of the operation. e. What would be the line's efficiency? (2 marks) (2 marks) (2 marks)