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Maintenance Strategy Cost Comparison |
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Scenario
This example illustrates 5 identical service pumps. They are all running at 100% capacity and have a stressful service.
| Equipment: |
Parallel Centrifugal Pump Sets |
| Failure Mode: |
Impellor corrosion / erosion |
| Detection: |
Loss of performance to production
- Loss of group flow. |
| Estimated Costs: |
£2,100 per unit, per hour down |
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| Run to Failure
| Failures per Year: |
4 |
| Downtime hours per failure |
16 |
| Overhauls per year |
0 |
| Downtime hours per overhaul |
0 |
| Production Loss Costs: |
£134,400 |
| | Time Based
Failures per Year:
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1
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Downtime hours per failure
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16
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Overhauls per year
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5
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Downtime hours per overhaul
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3
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Production Loss Costs:
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£65,100
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| | Condition Based
Failures per Year:
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0
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Downtime hours per failure
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0
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Overhauls per year
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3
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Downtime hours per overhaul
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3
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Production Loss Costs:
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£18,900
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Although in theory Condition Based is the most cost effective, most facilities should incorporate all three strategies. Some pieces of plant equipment are cheaper and easier to replace than monitor.
For your maintenance strategy review call us today on 01229 811000
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Last Updated on Friday, 27 April 2012 13:45 |
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