Business Process Design Assignment 2022

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OPSMGT 258
Business Process Design
Assignment 1 – Semester Two 2019

Table of Contents
Task 1.................................................................................................................... 3
Task 1 (a)........................................................................................................... 3
Task 1 (b)........................................................................................................... 3
Task 1 (c)............................................................................................................ 3
Task 1 (d)........................................................................................................... 3
Task 1 (e)........................................................................................................... 4
Task 1 (f)............................................................................................................ 4
Task 1 (g)........................................................................................................... 4
Task 1 (h)........................................................................................................... 4
Task 2.................................................................................................................... 5
Task 2 (a)........................................................................................................... 5
Task 2 (b)........................................................................................................... 5
Task 2 (c)............................................................................................................ 5
Task 2 (d)........................................................................................................... 5
Task 2 (e)........................................................................................................... 6
Task 2 (f)............................................................................................................ 6
Task 2 (g)........................................................................................................... 6
Task 5.................................................................................................................... 7
Task 6.................................................................................................................... 8
Task 6 (a)........................................................................................................... 8
Task 6 (b)........................................................................................................... 8

List of Tables
Table 1: WIP Storage during the day.....................................................................7
List of Figures
Figure 1: WIP Storage Chart.................................................................................. 6

Task 1
Task 1 (a)
The process capacity is equivalent to the maximum output rate or the minimum
throughput rate of all the tasks (Snyder & Shen, 2011). The lowest capacity task
in the process determines the capacity of the overall process. In this case,
“Cutting” task has the minimum flow rate or throughput rate. Therefore, the
capacity of this process = 75 shirts/hr
Task 1 (b)
The cycle time at “Cutting” task = 1/75 hr/shirt or 48 seconds/shirt
The cycle time at “Sewing” task = 1/140 hr/shirt or 26 seconds/shirt
Bottlenecks are obviously those tasks where materials ply up and process in the
next step stands idle (Kazemian & Aref, 2016). Hence, the slowest task is
determined as bottleneck. The identification of bottleneck is essential aspect of
process design analysis as it would provide opportunity to minimise the delay
and increase capacity of the overall process. The cycle time of “Cutting” is more
than “Sewing”. Cutting would be the bottleneck task. Hence, the non-bottleneck
task would be “Sewing” which has the cycle time of 26 seconds/shirt
Task 1 (c)
Starvation occurs when the step after the bottleneck task becomes idle because
its cycle time is less than the previous step. It happens because the upstream
delays and downstream activity becomes idle without any input to process
(Stadtler, 2015). It can be observed that “Sewing” task becomes idle after 26
seconds as it waits for WIP because the bottleneck process can supply materials
only after 48 seconds.
The starvation time at “Sewing” would be 48 – 26 = 22 seconds for each shirt.
Task 1 (d)
Capacity utilization determines that percentage of the process capacity which is
actually used (Hugos, 2018). Hence, utilization of a process activity gives the