SCBA

FFII Module A

Hillcrest Fire Department

© 2001

Requirements for wearing an SCBA

Physical Requirements Agility Facial Features Medical Mental

Limitations when wearing SCBA

Limited visibility Decreased ability to communicate Increased weight Decreased mobility

Types of breathing apparatus

Open Circuit– Most common in fire service– Uses compressed air– Exhaled air is vented outside

Closed Circuit– Uses compressed or liquid Oxygen– Exhaled air is processed through a “rebreather”– 30 min – 4 hours

Parts of the SCBA

Backpack Air cylinder assembly Regulator assembly Facepiece assembly

Air Cylinder Assembly

Low pressure 2216 psi 45cf air– 30 min

Low pressure 3000 psi 66cf air– 45 min

High pressure 4500 psi 45cf air– 30 min

High pressure 4500 psi 88 or 90cf air– 45 min

Regulator Assembly

Reduces pressure from tank Bypass valve Remote pressure gauges

– Should be within 100 psi of tank gauge

Low pressure bell

Weekly Inspections of SCBA per NFPA 1404 and 1500

Tank Full Gauge with in 100psi Low pressure alarm works Connections tight Face piece clean Harness good, straps extended All valves operational

Monthly Inspections of SCBA per NFPA 1404 and 1500

Check all components for deterioration Leaks Operation of all gauges and valves

Yearly Inspections of SCBA per NFPA 1404 and 1500

“Factory level” testing Hydrostatic Testing

– Every 5 years for steel and aluminum– Every 3 years for composite