Shared corridors create physical dependency
A renewal project can affect neighbouring utilities even when their services are unrelated.
Power and communications support many assets
Pumps, signals, stations and facilities may depend on external services.
Construction creates temporary dependencies
Traffic management, temporary utilities and access routes can become critical during renewal.
Map dependencies at an appropriate level
Portfolio planning needs enough information to coordinate work without exposing sensitive operational details.
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.