Equipment Failure Rates: Computer
C02-100 to C02-200
Equipment failure rates, MTBF, MTTR, and downtime statistics for electrical and mechanical plant equipment. Primary data from the USACE PREP reliability database (IEEE Std 3006.8-2018 Table 2), covering ~280 equipment classes. Supplemental data from IEEE motor and transformer surveys.
| equipment type | class code | description | failure rate per year (failures/year) | failures (count) | mdt hours (h) | mtbf hours (h) | mttm hours (h) | mttr hours (h) | standard | survey | unit years (unit-years) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Computer | C02-100 | Computer, PC workstation | 0.024064 | 6 | 4.09 | 364,036 | 5.09 | 1.9 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 249.3 |
| Computer | C02-200 | Computer, control system | 0.598998 | 94 | 27.62 | 14,624 | 4.65 | 4.52 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 156.9 |
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