Glossary

Asset: any element of the register, from the installation to the maintainable item. Equipment: the level that carries meters, criticality and history.

Shutdown: planned unavailability period grouping work orders; its scope is frozen before execution.

Approval circuit: sequence of validation steps configured by the administrator for requests, permits or shutdowns.

Isolation (LOTO): physical isolation of an energy or fluid before intervention, traced in the permit.

Criticality: class A to D from the probability × consequence matrix.

DI: work request. OT: work order. PT: work permit.

Task list: standard list of steps, parts and documents of an intervention. Preventive plan: task list + equipment + frequency.

Handover: transfer of a built installation to operations; punch list: list of reservations; SPIR: list of spare parts proposed by suppliers.

KPI: key performance indicator. MTBF: mean time between failures. MTTR: mean time to repair. Availability: share of the time the equipment is able to operate.

MCP: exchange protocol through which an enterprise assistant queries the CMMS tools.

OPC UA: data access protocol of control systems. Historian: process database that exports the meters.

Reorder point: stock level below which a reorder is needed.

Failure report: mode, cause, remedy and downtime hours of a corrective work order; basis of the reliability KPIs.

Tag: unique functional identifier of an asset on a site (P-201A, K-101).

Rugged terminal: industrial mobile device with a built-in barcode scanner.