Operations / Reliability & Maintenance
Planned vs Reactive Maintenance Ratio PMP
The share of maintenance work that was planned and scheduled ahead of time versus the share done as emergency reaction to a breakdown, a proxy for how in-control the maintenance program is.
The fork, why two teams get different numbers
First fork: the unit of measure.
In the Metric Library
- The full fork, both definitions worked all the way through
- The trap that makes the number lie, on a real export
- Every formula variant, spelled out
- The reconciliation anchor, what to tie it to and when to refuse
Reference: SMRP maintenance & reliability metrics · reliability-centered maintenance convention · APICS/ASCM