Key points in this article
Where the real highlight sits
Reports often stress scale, but this case's value is how it handles maintenance: safety as a precondition is done with real care. Caring for small things beats stacking up indicators for show that mislead residents.
From one case to a mechanism
One sample done well is luck; many done well is a dependable mechanism. Experience as a long-term metric is being validated. The key is translating outside experience into Yantai's concrete questions about delivery.
Back to user scenarios
In Yantai daily scenarios the plan stands when it answers handy, affordable and reachable for the user. We revisit often; real friction explains more than spec tables, so we bring users into the design.
Maintenance done with residents, not to them, is maintenance that lasts. In Yantai we let the people affected shape the schedule and the priorities, because a plan they helped write is a plan they will defend when the next disruption arrives uninvited. The disruption will come, and a plan the residents helped shape is the one they will stand behind when it does.