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AHR

AHR — Asset Hierarchy Register

A structured register defining the hierarchical organization of assets within a facility or enterprise.

Definition

The Asset Hierarchy Register (AHR) is the authoritative register that defines the logical and physical relationships between sites, facilities, process units, systems, functional locations, equipment and subordinate assets. It establishes the enterprise asset hierarchy used for engineering, operations, maintenance and asset information management.

Why It Matters

A well-designed Asset Hierarchy Register enables consistent asset identification, reporting, maintenance planning, reliability analysis and integration between engineering systems, CMMS, ERP platforms and Digital Twins.

In Practice

AHR provides the structural framework for Asset Registers, Functional Locations and Asset Tags. It forms the foundation upon which Asset Information Management systems organize and relate engineering and maintenance information.

Common Misuse

An Asset Hierarchy Register defines relationships between assets rather than storing the detailed technical information associated with each individual asset.

Term Details
Synonyms:
AHR; Asset Hierarchy; Asset Structure; Asset Hierarchy Register
Classification:
Asset Information Management
Concept
Intermediate
Applications

Enterprise Asset Management; SAP PM; CMMS implementation; Asset Information Management; Digital Twin projects; Data handover.

Where It's Used

Defining plant-functional location structures.; Organizing equipment beneath process systems.; Synchronizing asset hierarchies between SAP and engineering databases.; Establishing Digital Twin asset relationships.

References

ISO 14224; ISO 55000

See It In VisualAIM

VisualAIM connects glossary concepts to the asset records, inspection histories, and workflows they describe.

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