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Preventative Maintenance

Determine the optimum preventative maintenance frequency for each of the pieces of equipment if breakdown time is normally distributed.
Equipment Average Time (days) Standard Deviation
between Breakdowns
A201 20 2
B400 30 3
C850 40 4

Equipment Preventative Maintenance Cost Breakdown Cost
A201 $300 $2300
B400 $200 $3500
C850 $530 $4800.

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Solution Summary

The solution determines the optimum preventative maintenance for each piece of equipment if breakdown is normally distributed.

Solution provided by:
Jayant Kumar, MBA
Education
  • MBA, Indian Institute of Finance
  • Bsc, Madras University
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