Question

The local driver’s license center processes applications for driver’s license renewals through the following three steps. First, the customer registers with one of 3 receptionist(s), who updates the customer’s information in the database. This first step takes 4 minutes per customer. Then the customer visits one of 2 cashiers to pay the associated fees for the license renewal. This takes 8 minutes per customer because several forms must be printed from the computer and signed by the customer. Finally, the customer visits one of 4 license processing stations where the customer’s picture is taken and the license is printed. This final step takes 6 minutes per customer. | |||

a. | Assuming unlimited demand, what is the flow rate of the process in customers per hour? (Round to nearest integer) | per hour | |

b. | Assuming unlimited demand, what would the new flow rate be if the center added one server to the bottleneck resource? (Round to nearest integer) | per hour | |

Answer #1

License Center |
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a. Assuming unlimited demand, what is the flow rate of the
process in customers per hour? |
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The bottleneck resource is the cashier with capacity 60*2/4=30.00 customers per hour. All of the | |||||||||

other steps have higher capacities. | |||||||||

b. Assuming unlimited demand, what would the new flow rate
be if the center added one server to the |
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bottleneck resource? |
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The current bottleneck is the cashier. Adding one more resource to this setp would increase the | |||||||||

capacity of this station to 45.00 customers per hour. With this new capacity, the flow rate of the | |||||||||

process is 45.00 customers per hour. | |||||||||

60 x 3 /4 = 45 |

The local driver’s license center processes applications for
driver’s license renewals through the following three steps. First,
the customer registers with the receptionist, who updates the
customer’s information in the database. This first step takes 2
minutes per customer. Then, the customer visits one of 1 cashiers
to pay the associated fees for the license renewal. This takes 4
minutes per customer because several forms must be printed from the
computer and signed by the customer. Finally, the customer visits...

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