Asset Criticality
A ranking of assets by the consequence of their failure — the foundation of a prioritized PM program.
Definition
Asset criticality analysis is the practice of ranking assets by the business impact their failure would cause. Criticality drives PM priority, PdM investment, spare-parts stocking, and incident response.
A simple scoring approach
Score each asset 1–5 on five dimensions and sum:
- Safety consequence
- Environmental consequence
- Production / service impact
- Repair cost
- Repair time / spare availability
The total (5–25) buckets into A (critical, 20+), B (important, 14–19), C (routine, under 14). Most portfolios follow the usual 20% / 30% / 50% split.
What criticality decides
A-critical assets get PMs, PdM sensors, kitted spares, and 24/7 response. C assets may be legitimate run-to-failure. Without criticality, PM programs tend to spread effort evenly — which is the same as spreading it thinly on the ones that matter.
Criticality in FacilityLane
Each asset carries a criticality rating used in work-order priority defaults, PM frequency suggestions, and reorder-point math. LAYLA uses criticality in its risk scoring so A assets get flagged earlier than C.
FAQ
Common questions about Asset Criticality.
Annually at minimum, plus whenever process changes alter consequence (new regulation, new production line, new building usage).
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