What is the service rate for the service technician? minutes/unit What is the labor utilization rate (%) for the billing clerk? % What is the labor utilization rate (%) for the service technician? %
A medical equipment testing and calibration service is shown below. The customer usually brings the equipment to the service center. The service process requires service technicians to perform three process steps #1 to #3. Each technician is cross-trained so they can perform any of the three steps. The inspector does step #4 alone. After step #4, two parallel work activities are performed. That is, a shipping clerk packs the work (step #7), while simultaneously, a billing clerk prepares the invoice (step #5), and the customer is contacted by phone for pick-up (step #6). The average throughput is three equipment units per hour.
The table below shows the work content of the process steps, activity times in minutes per unit, shared and non-shared work activities, and the type of resource required. There are three service technicians on duty, one inspector, one billing clerk, and one shipping clerk.
Activity Time | Activity | |
Activity | (minutes) | Performed By |
Start | - | |
1 | 7 | Service technician |
2 | 17 | Service technician |
3 | 26 | Service technician |
4 | 15 | Inspector |
5 | 3 | Billing clerk |
6 | 7 | Billing clerk |
7 | 25 | Shipping clerk |
End | - |
Round your answers to the nearest whole number.
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What is the service rate for the service technician?
minutes/unit
-
What is the labor utilization rate (%) for the billing clerk?
%
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What is the labor utilization rate (%) for the service technician?
%
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Calculate the labor utilization rates (%) for the inspector and the shipping clerk.
Inspector utilization: %
Shipping clerk utilization: %
What job represents the bottleneck in this process?
The job is the bottleneck.
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