Separate symptoms, causes, controls, and evidence
Differentiate symptoms, root-cause candidates, evidence, and controls in a utility problem review.
Sort each statement from the low-pressure review. Symptom Evidence Root-cause candidate Control Seven customers on Hillcrest reported low pressure between 6:10 and 6:45 a.m. SCADA alarm history shows the booster pump trip at 6:03 a.m. The after-hours call tree does not include electrical standby for pump trips. Add automatic escalation to the duty supervisor if a critical alarm is unacknowledged for five minutes. Pressure logger at Hydrant H-17 dropped from 54 psi to 31 psi. Operators rely on a shared mailbox that is not monitored during shift change. Customers saw cloudy water after service returned. Add shift-change alarm handoff checklist…
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