A loan application process involves eight separate tasks. Task A takes 10 minutes and does not require any other of the tasks to be performed before it can be started. Similarly, Task B can be started without any other task being completed and takes 8 minutes. Task C takes 16 minutes and cannot be performed until Task A has been done.
Task D cannot be done until both A and B have been performed and takes 8 minutes. Task E requires Tasks C and D to be finished and takes 8 minutes. After Task E has been performed, Tasks F and G, taking respectively 5 and 17 minutes, can be performed. Finally (but only after Tasks F and G have been performed), Task H can be performed and takes 11 minutes. Devise a precedence diagram for this process and, assuming a required cycle time of 18 minutes, determine how many people will be required to perform the task, and if they are arranged in a 'product' layout, how the tasks will be allocated to each person. Calculate the balancing loss for this layout.

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Dept A Dept B Dept C Dept D Dept E Dept F 200 M² 100 M² 300 M² 100 M² 100 M² 200 M² 3 30 10 25 10 10 (2X8X 25 30 40 5 4 4 20 8 25