Eddys Pizza is currently redesigning its order-processing and pizza-making procedures for its operations which usually start at 5pm and close at 2am. For Eddys to meet customers’ speedy delivery requirement, six elements must be completed as summarised in the table below. Work Element Description Precedence Time (Mins) 1 Receive customer order - 3 2 Shape dough 1 2 3 Prepare toppings 1 3 4 Assemble Pizza 2, 3 4 5 Bake pizza 4 4 6 Select complementary drink - 1 7 Deliver pizza 5, 6 4 i. Draw the precedence diagram for the pizza making process. ii. If the demand for pizza is 90 pieces during the operating time, calculate the desired cycle time iii. Balance the line and calculate its efficiency
Eddys Pizza is currently redesigning its order-processing and pizza-making procedures for its
operations which usually start at 5pm and close at 2am. For Eddys to meet customers’ speedy
delivery requirement, six elements must be completed as summarised in the table below.
Work
Element
Description Precedence Time (Mins)
1 Receive customer order - 3
2 Shape dough 1 2
3 Prepare toppings 1 3
4 Assemble Pizza 2, 3 4
5 Bake pizza 4 4
6 Select complementary drink - 1
7 Deliver pizza 5, 6 4
i. Draw the precedence diagram for the pizza making process.
ii. If the demand for pizza is 90 pieces during the operating time, calculate the desired cycle
time
iii. Balance the line and calculate its efficiency
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