Civil and electronic lives differ
A duct route may last decades while active equipment changes many times.
Capacity and obsolescence can precede failure
Technology and demand can drive renewal even when physical condition remains acceptable.
Document route and ownership
Shared ducts, leases, poles and easements create important interfaces.
Separate physical stewardship from network configuration
Asset records can support lifecycle planning without publishing sensitive operational architecture.
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.