Buad 311 Hw

1255 words 6 pages
Homework #1
Process Analysis and Capacity Management
BUAD311- Operations Management
Fall 2013

Due 8:00 am on September 16

Homework 1 has a maximum of 50 points. There are 4 questions. Students can discuss homework questions with each other, with TAs, or with the instructor, provided that the actual work is done individually.

Homework assignments are accepted only via Blackboard Turnitin, and I expect most students to use Word. Once your work is complete, upload your file(s) and click on “Submit”.

You will get a confirmation email after submission and you can view the file you submitted. If you do not get the confirmation, the submission is not successful. As long as you receive the confirmation email, I will be able to see your
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What is the bottleneck? What is the hourly capacity of the process?

c. Assume that all the documents will need to be sent back to the preparation stage once and only once, what is the capacity of each stage? What is the bottleneck? What is the hourly capacity of the process?

d. Assume that 99% of the documents will pass the validation stage and 1% of the documents will need to be sent back to the preparation stage once and only once, what is the capacity of each stage? What is the bottleneck? What is the hourly capacity of the process?

4. (15 points) Consider a bagel store selling three types of bagels that are produced according to the process flow diagram outline below. Assume there are five workers, one for each of the tasks of cutting, grilling, putting veggies on the bagel, applying cream cheese, and wrapping. We assume that the demand is 600 bagels a day, of which there are 200 grilled veggie, 300 veggie only, and 100 cream cheese and the workday is 8 hours long.

Moreover, we observe the following activity times (in minutes/bagel):
Cut Grilling Put Veggies Put Cream Cheese Wrap
Activity time 0.5 1.5 0.75 0.6 0.4

Activity times are independent of which bagel type is processed at a resource (for example, cutting a bagel takes the same time for a cream cheese bagel as for a veggie bagel).
Add veggies
Add veggies
Add cheese
Add cheese
Grill
Grill

Cut

Cut

Wrap

Wrap

Grilled Veggie Bagel
Veggie

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