Holding equipment spare parts can be expensive.

Spares strategyshould be based onrisk and cost trade-off. Holding spares is justified when theimpact of unavailability(downtime, penalties, service interruption)exceeds the cost of stockingthe parts.

Exact Extract from IAM – Asset Management: An Anatomy (v4), Section 3.4.3 – Operate and Maintain:

“Decisions about spare parts should consider the risk of failure, lead time, and cost of downtime in relation to the cost of storage and obsolescence.”