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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 Predecessors (In Seconds) A Take order 25 None Receive payment Gather drinks В 20 А C 35 A D Gather food 32 А E Put food etc. in bag 25 C.D В.Е F Give food to 10 customer 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.

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 Predecessors (In Seconds) A Take order 25 None Receive payment Gather drinks В 20 А C 35 A D Gather food 32 А E Put food etc. in bag 25 C.D В.Е F Give food to 10 customer 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.

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question 1 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 Predecessors (In Seconds) A Take order 25 None Receive payment 20 A Gather drinks 35 A D Gather food 32 A Put food etc. in bag 25 C,D F Give food to 10 В.Е customer 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. iv. Using the LOT heuristic, assign the tasks to the windows to produce the desired service rate making sure that the precedence relationship is maintained. Calculate the efficiency of the newly design process. V.
Transcribed Image Text:Question 1 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 Predecessors (In Seconds) A Take order 25 None Receive payment 20 A Gather drinks 35 A D Gather food 32 A Put food etc. in bag 25 C,D F Give food to 10 В.Е customer 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. iv. Using the LOT heuristic, assign the tasks to the windows to produce the desired service rate making sure that the precedence relationship is maintained. Calculate the efficiency of the newly design process. V.
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