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Work scheduling, dispatching rule for flow time, utilization

See attachment.

The following jobs need to be performed at Widget center. Widget Center has a long backlog and sets fresh schedules every 2 weeks, which do not disturb earlier schedules. Jobs received during previous two weeks listed below. They are ready to be scheduled today, which is day 241. Job names refer to names of clients and contact numbers.
job date receive production days needed due date
1 228 15 300
2 225 25 270
3 230 35 320
4 235 40 360
5 231 30 310

Questions:
a. Complete table below, with calculation
b. Which dispatching rule has best score for flow time
c. Which dispatching rule has best score for utilization
d. Which dispatching rule has best score for lateness
e. Which dispatching rule would you select? Provide explanation.

Table for question a.
Dispatching rule job sequence flow time utilization average # jobs average lateness
edd
spt
lpt
fcfc

Attachments

Solution Preview

See the attached file for complete solution. The text here may not be copied exactly as some of the symbols / tables may not print. Thanks

Following jobs need to be performed at Widget Center. Widget Center has a long backlog and sets fresh schedules every 2 weeks, which do not disturb earlier schedules. Jobs received during previous two weeks listed below. They are ready to be scheduled today, which is day 241. Job names refer to names of clients and contact numbers.

job date receive production days needed due date
1 228 15 300
2 225 25 270
3 230 35 320
4 235 40 360
5 231 30 310

question

a. Complete table below, with calculation
Criteria: EDD
job sequence Processing Time flow time utilization average # ...

Solution Summary

Explains various concepts related to work schduling for production and manufacturing by solving a problem.

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