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4.2 Strategies and Flow Charts
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1. Streets in Bellevue are maintained by Public Works Division; “Street Maintenance.” Public Works
administrators are planning the workforce of this division for next year. Labor hour requirements for the
next year are 8,000, 14,000, 29,000, and 18,000, for quarters 1 to 4 respectively. Each of the current 15
workers in the workforce can contribute 500 hours per quarter. Overtime is limited to 20 percent of the
regular-time capacity in any quarter. Subcontracting is not permitted. Payroll costs are $7,000 in wages
per worker for regular time worked up to 500 hours, with an overtime pay rate of $21 for each overtime
hour. Although unused overtime capacity has no cost, unused regular time is paid at $14 per hour. The
cost of hiring a worker is $3,500, and the cost of laying off a worker is $2,800.
a. Find a level workforce plan that uses overtime and the minimum amount of undertime (idle time for
workers) possible. Overtime can be used to its limits (20%). What is the total cost of this plan?
b. Plan for a chase strategy with variable workforce levels adjusted each quarter. What is the total cost of
this plan?
c. Propose a mix strategy. Compare your plan to plans “a” and “b” and show the differences. Is your plan
better than plan “a” or “b”? Why or why not?
2. Create a process chart/flow chart to map the process of taking a license plate at the Department of
Motor Vehicle. Here are the process details: You enter the office and take a number, then walk 50 feet to
the waiting area. During the wait, you count an additional 30 customers waiting for service. Some
customers become discouraged and leave. When a number is called if a customer stands, the ticket is
checked by a uniformed person, and the customer is directed to the available clerk. If no one stands,
several minutes are lost while the same number is called repeatedly. Eventually, the next number is
called and more often than not, that customer has left too. The DMV clerk has now been idle for several
minutes but does not seem to mind. After 4 hours wait, the customer number is called and checked by the
uniformed person. You walk 60 feet to the clerk, and the process of paying city sales tax is completed in 4
minutes. The clerk then directs you to the waiting room area for paying state personal property tax, 80
feet away. You take a different number and sit down with some different customers who are just renewing
licenses. One hour and forty minutes wait this time, and after a walk of 25 feet, you pay property taxes in
a process that takes 2 minutes. Now that you have paid taxes, you are eligible to pay registration and
license fees. That department is 50 feet away. The registration and license customers are called in the
same order in which personal property taxes were paid. There is only a 10-minute wait and a 4-minute
process. You receive your license plates and leave exactly 6 hours after arriving. Make a process chart to
depict this process and suggest improvements.
https://cyberactive.bellevue.edu/bbcswebdav/pid-15280081-dt-content-rid-98107797_2/xid98107797_2
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