Podcast
Questions and Answers
What is the minimum cylinder pressure required before entering a hazardous atmosphere?
What is the minimum cylinder pressure required before entering a hazardous atmosphere?
- 4,050 psi (correct)
- 4,500 psi
- 2,250 psi
- 3,600 psi
When should a team leader advise their supervisor regarding the team’s air supply at 50% capacity?
When should a team leader advise their supervisor regarding the team’s air supply at 50% capacity?
- When the team’s first member reaches 50% capacity (correct)
- When the team’s average air supply is below 50%
- When any individual member’s air supply reaches 25%
- When the team leader’s personal air supply reaches 50%
What technique is recommended to manage team air consumption effectively?
What technique is recommended to manage team air consumption effectively?
- Assign all members to the same work schedule
- Increase the duration of working periods for stronger members
- Rotate positions of heavy work to light work (correct)
- Avoid any type of physical activity during operations
What should team members on their rest cycle focus on?
What should team members on their rest cycle focus on?
What action should be taken when a team member’s air supply reaches the 25% reserve?
What action should be taken when a team member’s air supply reaches the 25% reserve?
What is a key responsibility of a team leader regarding air supply management?
What is a key responsibility of a team leader regarding air supply management?
How should team members convey their lowest remaining air supply?
How should team members convey their lowest remaining air supply?
What does the activation of two flashing amber lights indicate?
What does the activation of two flashing amber lights indicate?
Which of the following is NOT a recommended team member activity while on a rest cycle?
Which of the following is NOT a recommended team member activity while on a rest cycle?
What is the main purpose of controlled breathing techniques during SCBA operations?
What is the main purpose of controlled breathing techniques during SCBA operations?
What is the primary goal of managing air supply during SCBA operations?
What is the primary goal of managing air supply during SCBA operations?
How should team members assess their air supply during SCBA operations?
How should team members assess their air supply during SCBA operations?
What should be done when a team member's air supply is at 50% capacity?
What should be done when a team member's air supply is at 50% capacity?
During rest cycles, which task is essential for team members to perform?
During rest cycles, which task is essential for team members to perform?
What is indicated by two flashing amber lights on the Heads-Up Display?
What is indicated by two flashing amber lights on the Heads-Up Display?
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Study Notes
SCBA Air Management
- Minimum Cylinder Pressure: 90% (4,050 psi) at the start of entry
- Regular Cylinder Pressure Check: Monitor SCBA cylinder pressure frequently during operation.
- Team Air Reporting: Employ Team Reports (CARAT) to track the lowest team member's remaining air percentage.
- Equalized Work: Rotate positions between heavy and light work to ensure even air consumption within the team
- Rest Cycle Responsibility: During rest periods, monitor interior fire conditions, maintain awareness of team member activities, air supply, and alternate exit routes
- 50% Air Threshold: When the first team member reaches 50% cylinder pressure, inform the supervisor.
- Air Management by Team Leader: Teams should not extend their commitment within the hazard area beyond their air supply limits, allowing for sufficient reserve air.
- 25% Low-Air Alarm: If a team member's air supply drops to 25% reserve, triggering the low-air alarm, report the situation immediately to the supervisor, specifying unit designation, location, situation, and proximity to the nearest exit.
Air Management
- Ensure cylinder pressure is at least 90% (4,050 psi) before entering a hazardous atmosphere
- Regularly monitor cylinder pressure using the pressure gauge
- Team members should rotate positions to equalize air consumption
- When a team member reaches 50% air capacity (2,250 psi), the team leader should notify their supervisor
- Team leaders must manage the team's air supply to ensure sufficient reserve air for safe exit
- A team leader should report to their supervisor when a team member reaches 25% reserve air capacity and their low-air alarm sounds, providing unit designation, location, the low-air situation, and estimated distance to the exit
Team Member Responsibilities during Rest Cycle
- Monitor interior fire, heat, and smoke conditions
- Maintain active accountability
- Monitor overhead conditions
- Monitor radio communications
- Monitor team member activities
- Monitor air supply levels
- Identify secondary egress options
- Note interior landmarks, floor coverings, reference walls, and furnishings
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