7. Linlithi Medical provides on-site health screenings for otherorganizations, a

Question

7. Linlithi Medical provides on-site health screenings for otherorganizations, and has been hired by the City of Baltimore to conduct the annual health screening of all 300 of Baltimore's bus drivers. The annual health screening for a bus driver consists of the following tasks Task Description Name Immediate Predecessor Time Required 4 minutes 5 minutes 6 minutes 8 minutes 3 minutes 7 minutes 9 minutes Vision test none none none none Hearing test Blood pressure test D Lung function test Draw blood sample Pulse stress test Doctor's consultation Linlithi Medical has arranged to screen all 300 drivers during one five-day week. Thus, Linlithi must complete 60 health screening during cach of the 10-hour days. To perform the health screenings efficiently, Linlithi Medical will set up its operation as a 'product layout', in which the drivers will move from work station' to work station' until all the tasks of their individual health screening are completed. Please use line-balancing to design the most appropriate layout for Linlithi, using the Longest Processing Time rule to choose betwe tasks when assigning each task to a particular workstation

Explanation / Answer

1. Cycle time of linlithi medical's layout for baltimore city bus driver screenings:

screening of 300 drivers during 5 day week to complete 60 screening (300/5= 60)

60 screening for ecah 10 hours per day= 10/60= 0.16 hours= 10 mins

cycle time= 10 mins

2. theoretical min no. of workstations:

sum of all time required/cycle time=. 42/10= 4.2 which means 5 workstations

3. first workstation

4. fourth workstation

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