Map ownership and responsibility separately
The owner of land, equipment and service may not be the same organization.
Define maintenance boundaries
Interfaces should identify who inspects, who maintains and who authorizes access.
Keep contacts current
Long-lived agreements can outlast the people who negotiated them.
Review during renewal
Capital work is a good time to clarify legacy boundaries and update records.
Scope. This page explains asset-management concepts, not operating procedures for critical infrastructure. Inspection methods, intervention thresholds and safety decisions must follow the asset owner’s standards, local rules and qualified professional judgement.