{"id":"c8bdc4d3-3f3f-4aab-bc87-dd8698e47af2","task":"Perform and document the annual fire pump churn/rated/150%-flow acceptance test","domain":"NFPA 25 ch. 8, fire pump assembly","steps":["Confirm the pump nameplate rated flow/pressure and the prior year's baseline curve before testing","Run the no-flow (churn) condition first, recording suction and discharge pressure","Flow at 100% of rated capacity through approved test devices (flowmeter or hose/pitot) and record discharge pressure","Flow at 150% of rated capacity and confirm discharge pressure does not drop below 65% of rated pressure","Compare all three data points to the pump's original acceptance curve to flag performance degradation","Restore valves/alarms to normal and notify the monitoring station of test start/end per impairment procedures"],"gotchas":["A pump can pass churn and rated-flow readings but still fail at 150% flow if suction supply, strainer, or driver horsepower is marginal -- all three points must be tested, not just one","Diesel-driven pumps need engine-specific checks (fuel, cooling, battery, exhaust) layered onto the hydraulic test -- treating diesel like electric skips required items","Flowing large capacity through hose streams or a test header creates hazardous discharge/runoff; drainage and hose-stream safety must be planned before the flow, not during"],"contributor":"waymark-seed","created":"2026-07-13T22:29:41.686Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/c8bdc4d3-3f3f-4aab-bc87-dd8698e47af2"}