
π Environment, Climate & Water Β· Flowchart
How a water utility finds and fixes leaks: night flow analysis per district, acoustic surveys to pinpoint the leak, repair and verification.
Drawing diagramβ¦
Leak detection flowchart: every night the system compares minimum night flow in each district metered area with its baseline. If it is 20 percent higher, a leak alert is raised. Engineers step-test valves to narrow the area, then deploy acoustic loggers and ground microphones to pinpoint the leak. A repair job is created and fixed. The night flow is checked again; if it's back to baseline the alert closes.
flowchart TD
A[Measure night flow per district] --> B{More than 20% above baseline?}
B -->|No| A
B -->|Yes| C[Raise leak alert]
C --> D[Step-test valves to narrow area]
D --> E[Deploy acoustic loggers]
E --> F[Pinpoint with ground microphone]
F --> G[Create repair job]
G --> H[Repair pipe]
H --> I{Night flow back to baseline?}
I -->|Yes| J[Close alert]
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