Question: 2. [Ch. 9 Layout Strategy Repetitive Layout Strategy with Line Balancing (15 pts)] (a) Draw a precedence diagram of this service operation. (2 pts) (b)

2. [Ch. 9 Layout Strategy Repetitive Layout Strategy with Line Balancing (15 pts)]

2. [Ch. 9 Layout Strategy Repetitive Layout(a) Draw a precedence diagram of this service operation. (2 pts)

(b) For a given demand per night, what is the cycle time for this operation? (2 pts)

(c) What is the theoretical minimum number of workstations? (2 pts)

(d) Assign the tasks to workstations to minimize slack time at each workstation (= to maximize the

efficiency/utilization). *You may show your work in the network diagram in part (a) above. (4 pts)

(e) What is the efficiency of this service operation process? (5 pts)

[Layout Strategy - Line Balancing] The Speedy Pizza Palace is revamping its order processing and pizza-making procedures. The demand for pizzas is 120 per night (5:00 p.m. to 1:00 a.m.). In order to deliver fresh pizza fast, six elements must be completed. Precedence and Time Requirements of Pizza Delivery Processes Work Element Precedence Time (Minutes) A Receive order 2 B Shape dough A 1 C Prepare toppings A 2 D Assemble pizza B,C 3 E Bake pizza D 3 F Deliver pizza E 3

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