Rock View Restaurant is a new fast food restaurant chain. The Operations Manager has divided its normal drive-through service process into the following tasks: Tasks Description Task Time (In Seconds) Predecessors A Take order 25 None B Receive payment 20 A C Gather drinks 35 A D Gather food 32 A E Put food etc. in bag 25 C,D F Give food to customer 10 B,E Currently, Rock View Restaurant has a single window with one person who takes the order, gather the food, collects the money and gives the food to the customer. This takes an average of 147 seconds per customer so only 25.5 cars can be served. Rock View Restaurant wants to increase its drive-through capacity to 60 cars per hour by forming a multi-window line. Using the LOT heuristic, assign the tasks to the windows to produce the desired service rate making sure that the precedence relationship is maintained. v. Calculate the efficiency of the newly design process
Rock View Restaurant is a new fast food restaurant chain. The Operations Manager has divided
its normal drive-through service process into the following tasks:
Tasks Description Task Time
(In
Seconds)
Predecessors
A Take order 25 None
B Receive payment 20 A
C Gather drinks 35 A
D Gather food 32 A
E Put food etc. in bag 25 C,D
F Give food to
customer
10 B,E
Currently, Rock View Restaurant has a single window with one person who takes the order,
gather the food, collects the money and gives the food to the customer. This takes an average of
147 seconds per customer so only 25.5 cars can be served. Rock View Restaurant wants to
increase its drive-through capacity to 60 cars per hour by forming a multi-window line.
Using the LOT heuristic, assign the tasks to the windows to produce the desired
service rate making sure that the precedence relationship is maintained.
v. Calculate the efficiency of the newly design process
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