Customer and technical views differ
Users may care about outages, travel time or water pressure while engineers track condition, capacity, redundancy and response time.
Measures need definitions
A metric should have a clear calculation, data source, reporting period and owner.
Targets shape priorities
Assets supporting a more demanding service level may justify different maintenance or renewal strategies.
Service changes over time
Population, climate, technology and policy can alter what acceptable service means.
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.