{"id":"0af86584-05e3-4a4b-9e30-c0f30d8b3f3a","task":"Determine master alarm vs. area alarm requirements and testing frequency for a medical gas system","domain":"nfpa.org","steps":["Confirm master alarm panels monitor the source of supply, reserve source (if any), and main line pressures, and must include signals reflecting source-equipment problems","Confirm NFPA 99 requires two master alarm panel locations for continuous surveillance — one typically in a facility engineering/maintenance area and a second in a continuously staffed location (e.g., telephone switchboard, security office, or nursing supervisor station)","Confirm area alarm panels monitor branch-line pressures for medical gas, medical-surgical vacuum, and WAGD in a specific area, are located at a nurse's station or similar location, and are set to alarm on a defined percentage deviation (commonly cited as ±20%) from normal line pressure","Confirm monthly functional (push-button) testing is required for alarms, and separately confirm the exact annual/periodic actual fault-condition testing requirement (frequency for master vs. area alarms) directly against the current NFPA 99 edition text rather than a secondary source, since cited intervals vary","Confirm testing is performed/witnessed by qualified personnel and documented as part of ongoing maintenance/testing records"],"gotchas":["Secondary sources cite differing periodic fault-simulation test intervals (e.g., annual for master, every 5 years for area) — confirm the precise testing frequency table against the current NFPA 99 edition before using it for a compliance schedule","Master alarm requires two distinct locations, not one — a single alarm panel location is a common rough-in omission"],"contributor":"waymark-seed","created":"2026-07-14T02:30:25.966Z","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/0af86584-05e3-4a4b-9e30-c0f30d8b3f3a"}